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Power Headroom patents



      

This page is updated frequently with new Power Headroom-related patent applications.




Date/App# patent app List of recent Power Headroom-related patents
05/19/16
20160142985 
 Method for power headroom reporting and device therefor patent thumbnailMethod for power headroom reporting and device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for power headroom reporting in the wireless communication system, the method comprising: obtaining information related to a power headroom (ph) for the second bs; obtaining ph of activated cells of the ue; and transmitting, to a first bs, the information related to the ph for the second bs and the ph of activated cells of the ue..
Lg Electronics Inc.


05/19/16
20160142984 
 Power headroom reporting method in wireless communication system supporting change in use of wireless resource and  same patent thumbnailPower headroom reporting method in wireless communication system supporting change in use of wireless resource and same
The present invention proposes a power headroom reporting method and apparatus of a terminal in a wireless communication system supporting a change in use of wireless resources. More particularly, the method comprises the steps of: determining whether power headroom reporting is triggered; and transmitting power headroom reporting (phr) information for first upper link wireless resource and second upper link wireless resource to a base station, wherein the first upper link wireless resource is configured to allow the use of the wireless resource to be dynamically changed and the second upper link wireless resource is configured to prevent the use of the wireless resources from being dynamically changed..
Lg Electronics Inc.


05/12/16
20160135173 
 Terminal device for transmitting a power headroom report in a multi-carrier communication system, and  same patent thumbnailTerminal device for transmitting a power headroom report in a multi-carrier communication system, and same
A method and device for transmitting a power headroom report (phr) by a user equipment (ue) in a communication system supporting a plurality of carriers. The method includes transmitting, to an enode b (enb), a power headroom report (phr) related to the plurality of carriers configured for the ue.
Lg Electronics Inc.


04/28/16
20160119883 
 Method for transmitting power headroom report in network supporting interworkings between multiple communication systems, and apparatus therefor patent thumbnailMethod for transmitting power headroom report in network supporting interworkings between multiple communication systems, and apparatus therefor
A method for a terminal in a first communication system to transmit a power headroom report in a network supporting interworking of a plurality of communication systems comprises a step for transmitting a power headroom report comprising a power headroom value related to a second communication system, when a predetermined triggering condition occurs in a state in which the terminal is accessing the first and second communication systems simultaneously, wherein the power headroom report can comprise information regarding maximum transmission power for the second communication system.. .
Lg Electronics Inc.


04/21/16
20160112961 
 Uplink power control method and apparatus patent thumbnailUplink power control method and apparatus
The present invention provides an uplink power control method and an apparatus. The method includes: receiving, by a first base station, a power headroom report phr sent by a terminal, where the phr includes: power headroom ph of the terminal in a serving cell provided by the first base station, a quantity of physical resource blocks prbs allocated by a second base station to the terminal in a serving cell provided by the second base station, and ph of the terminal in the serving cell provided by the second base station, and controlling, by the first base station according to the phr, transmit power of the terminal in the serving cell provided by the first base station..

03/24/16
20160088624 
 Method for priority handling for buffer status reporting in a d2d communication system and device therefor patent thumbnailMethod for priority handling for buffer status reporting in a d2d communication system and device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for processing a pdcp reordering function in a dual connectivity system, the method comprising: generating a mac pdu (medium access control protocol data unit) if both of a phr (power headroom reporting) and a sidelink bsr (buffer status reporting) are generated while the ue communicates with other ues directly using a sidelink; and transmitting the mac pdu, wherein the phr is prioritized over the sidelink bsr when the ue prioritizes between the phr and the sidelink bsr in the generated mac pdu..
Lg Electronics Inc.


03/17/16
20160081045 
 Methods of providing power headroom reports arranged in order of component carrier indices and related wireless terminals and base stations patent thumbnailMethods of providing power headroom reports arranged in order of component carrier indices and related wireless terminals and base stations
power headroom reports may be transmitted from a wireless terminal to a base station wherein a primary component carrier and at least one secondary component carrier are provided for uplink transmissions from the wireless terminal to the base station and wherein a respective component carrier index is assigned to each of the at least one secondary component carriers provided for the wireless terminal. Respective power headroom reports may be generated for the primary component carrier and for each of the at least one secondary component carriers, and a mac control element may be generated including the power headroom reports for the primary and secondary component carriers.
Telefonaktiebolaget L M Ericsson (publ)


03/17/16
20160081044 
 Aligning wireless local area network operations with power headroom reporting patent thumbnailAligning wireless local area network operations with power headroom reporting
Methods, systems, apparatuses, and devices are described for aligning wireless local area network (wlan) operations with reporting of transmit power information via a cellular network. A mobile device may identify information to be communicated for a wlan operations.
Qualcomm Incorporated


03/10/16
20160073362 
 Method for configured maximum output power reporting and user equipment patent thumbnailMethod for configured maximum output power reporting and user equipment
A base station configured for carrier aggregation, includes: a receiver; and processing circuitry coupled to the receiver and configured to: allocate to a user equipment uplink resources for at least one activated serving cell configured with an uplink carrier, the uplink resources for new transmission and the allocated uplink resources may accommodate a power headroom report, and obtain, responsive to the allocated uplink resources, a configured maximum output power for an activated serving cell configured with an uplink carrier, where the activated serving cell has non-adaptive retransmission of uplink data, or the activated serving cell where the base station schedules channel state information but no allocated uplink grant for transmitting data of an uplink shared channel.. .
Fujitsu Limited


03/10/16
20160073361 
 Method for configured maximum output power reporting and user equipment patent thumbnailMethod for configured maximum output power reporting and user equipment
A user equipment, includes: processing circuitry configured to: judge whether for the current subframe the user equipment has non-adaptive retransmission of uplink data on an activated serving cell configured with an uplink carrier; obtaining, from a physical layer, a configured maximum output power corresponding to the activated serving cell having non-adaptive retransmission of uplink data; and a transmitter to report the configured maximum output power from the physical layer to a base station when, for a current subframe, the user equipment has uplink resources allocated for new transmission for the activated serving cell and the allocated uplink resources may accommodate the power headroom report.. .
Fujitsu Limited


03/10/16
20160073360 

Radio communication system and mobile terminal device


A radio communication system includes a radio base station and a mobile terminal device communicating with the radio base station using carrier aggregation, wherein upon occurrence of a triggering event of sending a power headroom report to the radio base station, the mobile terminal device is configured to determine whether there is a secondary cell that is in the process of activation, and wherein the mobile terminal device is configured to suspend transmission of the power headroom report to the base station for a predetermined time period if there is a secondary cell that is in the process of activation.. .
Ntt Docomo, Inc.


03/03/16
20160066284 

Method and transmitting power headroom report by terminal in wireless communication system


Disclosed are a method and an apparatus for transmitting a power headroom report (phr) by a terminal which is set to be dually connected to at least two heterogeneous base stations through uplink wireless connection. A method for transmitting a power headroom report (phr) by a user equipment performing wireless communication based on dual connectivity.
Pantech Co., Ltd.


02/25/16
20160057712 

Method and reporting power headroom in support of multiple link connections


Embodiments of the present invention provide a method for reporting power headroom in support of multiple link connections. The method comprises: receiving, by a user equipment, one or more configured power headroom report parameters from at least one of multiple base stations to which the multiple link connections are connected; maintaining, at the user equipment, multiple groups of power headroom report timers respectively corresponding to the multiple link connections and maintaining multiple groups of triggering conditions for reporting power headroom respectively corresponding to the multiple link connections, wherein a number of groups of the multiple groups of the power headroom report timers and the number of groups of the multiple groups of triggering conditions for reporting the power headroom are identical to the number of connections of the multiple link connections respectively; if at least one triggering condition of one group of the triggering conditions for reporting the power headroom is met with respect to a corresponding base station of the multiple base stations, then calculating the power headroom for the corresponding base station and generating a power headroom report; and sending the power headroom report to the corresponding base station..
Alcatel Lucent


02/25/16
20160057711 

Method and device for sending power headroom report


The disclosure discloses a method and device for sending a power headroom report (phr), wherein the method includes that a user equipment (ue) sends to an evolved universal terrestrial radio access network (eutran) nodeb (enb) a media access control (mac) protocol data unit (pdu) added with a phr. The disclosure solves a problem in a related technology that an enb fails to learn uplink quality information of a ue timely because a phr cannot be sent to the enb when a condition for triggering the phr cannot be met, and further saves uplink transmission resources.
Zte Corporation


02/11/16
20160044610 

Power headroom reporting in adaptive tdd systems


A method of power headroom reporting in adaptive tdd systems is proposed. A ue obtains configuration information from a base station in an adaptive tdd system.
Mediatek Inc.


02/11/16
20160044609 

Reporting user equipment transmission power headroom (uph) of a secondary uplink carrier


The present disclosure presents a method and an apparatus for reporting a user equipment (ue) transmission power headroom (uph) of a secondary uplink carrier at the ue. For example, the method may include activating the secondary uplink carrier upon receiving a message from a base station in communication with the ue to activate the secondary uplink carrier, determining whether the ue has data available for transmission from the ue to the base station, computing a uph value of the secondary uplink carrier in response to determining that the ue has data available for transmission, and transmitting the computed uph value to the base station.
Qualcomm Incorporated


02/04/16
20160037465 

Method and calculating power headroom in carrier aggregation mobile communication system


A power headroom calculation method and apparatus of a user equipment (ue) are provided for a primary cell power headroom (ph) calculation in a long term evolution-advanced (lte-a) mobile communication system. The method includes determining whether an activated serving cell includes uplink data and/or uplink control signal to be transmitted, and determining ph of the activated serving cell according to whether the activated serving cell has the uplink data and/or uplink control signal..
Samsung Electronics Co., Ltd.


02/04/16
20160037464 

Method and calculating power headroom in carrier aggregation mobile communication system


A power headroom calculation method and apparatus of a user equipment (ue) are provided for a primary cell power headroom (ph) calculation in a long term evolution-advanced (lte-a) mobile communication system. The method includes determining whether an activated serving cell includes uplink data and/or uplink control signal to be transmitted, and determining ph of the activated serving cell according to whether the activated serving cell has the uplink data and/or uplink control signal..
Samsung Electronics Co., Ltd.


02/04/16
20160037463 

Power headroom reporting accounting


A method in a first wireless device of a wireless communications network is disclosed. The method comprises obtaining a power headroom report (phr) configuration including one or more phr configuration parameters for an enhanced phr based at least in part on one or more device-to-device (d2d) transmissions of the first wireless device.
Telefonaktiebolaget L M Ericsson (publ)


01/28/16
20160029326 

Method and reporting power headroom information in mobile communication system supporting carrier aggregation


A method and apparatus for receiving a power headroom (ph) report by a base station in a mobile communication system supporting carrier aggregation are provided. The method includes receiving an extended ph report (phr) including respective phs for multiple activated serving cells and respective indicators corresponding to the respective phs through one of the multiple serving cells, and checking each indicator to determine whether a corresponding ph is calculated based on a real transmission or a reference format.
Samsung Electronics Co., Ltd.


01/28/16
20160029325 

Method and reporting power headroom information in mobile communication system supporting carrier aggregation


A method and apparatus for transmitting a power headroom (ph) report by a terminal in a mobile communication system supporting carrier aggregation are provided. The method includes determining respective phs for multiple activated serving cells based on a real transmission or a reference format, setting respective indicators for the phs, wherein each indicator indicates that a corresponding ph is determined based on the real transmission or the reference format, and transmitting, to a base station, an extended ph report including the phs and the indicators on one of the multiple activated serving cells.
Samsung Electronics Co., Ltd.


01/28/16
20160029235 

Method and generating and transmitting power headroom report in mobile communication system


In addition, provided is a method for transmitting a power headroom report (phr) by a user equipment (ue) in a mobile communication system. The method includes: receiving a first phr configuration information for a first base station (first enb); receiving a second phr configuration information for a second enb; generating, when the ue has dual connectivity to the first enb and the second enb, a dual connectivity phr containing phr information for the first enb and second enb based on a dual connectivity phr format; and sending the dual connectivity phr.

01/21/16
20160021624 

Power-limit reporting in a communication system using carrier aggregation


The invention relates to methods for informing an enodeb on the transmit power status of a user equipment in a mobile communication system using component carrier (cc) aggregation. Furthermore, the invention is also related to the implementation of these methods by hardware and their implementation in software.
Panasonic Intellectual Property Corporation Of America


01/14/16
20160014794 

Device and handling device-to-device communication


A communication device for handling a device-to-device (d2d) communication comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit.
Htc Corporation


01/14/16
20160014704 

Method and calculating power headroom in carrier aggregation mobile communication system


A power headroom calculation method and apparatus of a user equipment (ue) are provided for a primary cell power headroom (ph) calculation in a long term evolution-advanced (lte-a) mobile communication system. The method includes determining whether an activated serving cell includes uplink data and/or uplink control signal to be transmitted, and determining ph of the activated serving cell according to whether the activated serving cell has the uplink data and/or uplink control signal..
Samsung Electronics Co., Ltd.


12/31/15
20150382313 

Power headroom report mobile communication system supporting carrier aggregation


A power headroom report (phr) method and apparatus in a communication system are provided. The method includes acquiring information for a path loss reference, wherein the information for the path loss reference indicates whether the ue applies as the path loss reference either a downlink of a primary cell or a downlink of a secondary cell (scell), triggering a power headroom report (phr) if a path loss is changed more than a threshold for at least one activated cell which is used as the path loss reference, and obtaining power headroom information for each activated cell, if extended phr is used and an uplink resource is allocated for new transmission..
Samsung Electronics Co., Ltd.


12/31/15
20150382312 

Power headroom report mobile communication system supporting carrier aggregation


A method and user equipment (ue) for obtaining power headroom information in a communication system are provided. The method includes acquiring information for a path loss reference, wherein the information for the path loss reference indicates whether the ue applies as the path loss reference either a downlink of a primary cell or a downlink of a secondary cell (scell), triggering a power headroom report (phr) if a prohibitphr-timer expires and a path loss is changed more than a threshold for at least one activated cell which is used as the path loss reference, and obtaining power headroom information for each activated cell, if extended phr is used and an uplink resource is allocated for new transmission..
Samsung Electronics Co., Ltd.


12/31/15
20150382311 

Power headroom report mobile communication system supporting carrier aggregation


A method and user equipment (ue) for obtaining power headroom information in a communication system are provided. The method includes acquiring information for a path loss reference, wherein the information for the path loss reference indicates whether the ue applies as the path loss reference either a downlink of a primary cell or a downlink of a secondary cell (scell), triggering a power headroom report (phr) if a path loss is changed more than a threshold for at least one activated cell which is used as the path loss reference, obtaining power headroom information for each activated cell, if extended phr is used and an uplink resource is allocated for new transmission, and generating a medium access control (mac) protocol data unit (pdu) including the power headroom information for each activated cell and an indicator for each activated cell.
Samsung Electronics Co., Ltd.


12/31/15
20150382310 

Method and configuring power headroom information in mobile communication system supporting carrier aggregation


A method and apparatus for configuring power headroom report (phr) of a user equipment (ue) efficiently in a mobile communication system supporting carrier aggregation are provided. The method includes generating a header including a lcid for identifying extended phr and l indicating a length of the extended phr, and inserting power headrooms (phs) of multiple activated carriers into the extended phr of one of the carriers..
Samsung Electronics Co., Ltd.


12/31/15
20150382309 

Method and configuring power headroom information in mobile communication system supporting carrier aggregation


A method and apparatus for configuring power headroom report (phr) of a user equipment (ue) efficiently in a mobile communication system supporting carrier aggregation are provided. The method includes generating a header including a lcid for identifying extended phr and l indicating a length of the extended phr, and inserting power headrooms (phs) of multiple activated carriers into the extended phr of one of the carriers..
Samsung Electronics Co., Ltd.


12/17/15
20150365907 

Method and transmitting a power headroom report of a ue in a wireless communication system


A method and an apparatus are provided for transmitting a power headroom report (phr) to base station by a user equipment (ue), wherein the ue determines whether a received an uplink resource is a first uplink resource allocated for a new transmission after a medium access control (mac) reset, and starts a timer for reporting the phr, if the allocated uplink resource is the first uplink resource allocated for the new transmission after the mac reset.. .
Samsung Electronics Co., Ltd.


12/10/15
20150358991 

Method and delaying transmission of buffer status report in wireless communication system


A method and apparatus for delaying transmission of at least one of a buffer status report (bsr) and a power headroom report (phr) in a wireless communication system. A user equipment (ue) triggers at least one of a bsr and a phr, but delays transmission of the at least one of the bsr and the phr to a base station if uplink (ul) transmission is not available.
Lg Electronics Inc.


12/10/15
20150358927 

Method and device for reporting power headroom under carrier aggregation


The present application relates to the field of wireless communications. Disclosed in an embodiment of the present application are a method and device for reporting power headroom (ph) under carrier aggregation, for solving the problem of how to report ph when a terminal supports the transmission of a physical uplink control channel (pucch) on different uplink carriers corresponding to different carrier groups.
China Academy Of Telecommunications Technology


12/03/15
20150351053 

Method and reporting power headroom information in mobile communication system supporting carrier aggregation


A method and apparatus for transmitting a power headroom (ph) report by a terminal in a mobile communication system supporting carrier aggregation are provided. The method includes determining a first maximum transmission power for a first serving cell of multiple activated serving cells based on uplink transmission of at least one other serving cell if the first serving cell transmits a physical uplink shared channel (pusch), determining a second maximum transmission power for a first serving cell of the multiple activated serving cells without consideration of uplink transmission of at least one other serving cell if the first serving cell does not transmit a pusch, calculating a ph for the first serving cell based on the first maximum transmission power or the second maximum transmission power, and transmitting, to a base station, an extended ph report including respective calculated phs of the multiple activated serving cells on one of the multiple activated serving cells..
Samsung Electronics Co., Ltd.


12/03/15
20150351052 

Method and reporting power headroom information in mobile communication system supporting carrier aggregation


A method and apparatus for transmitting a power headroom (ph) report by a terminal in a mobile communication system supporting carrier aggregation are provided. The method includes calculating respective phs for multiple activated serving cells based on a real transmission or a reference format, setting respective indicators for the phs, wherein each indicator indicates that a corresponding ph is calculated based on the real transmission or the reference format, and transmitting, to a base station, an extended ph report including the phs and the indicators on one of the multiple activated serving cells..
Samsung Electronics Co., Ltd.


12/03/15
20150350986 

Method and soft handover guidance in wcdma td scheduling


A method and nodeb for assisting, in a first nodeb, in soft handover procedures in wcdma time division schedules comprises estimating (210) of a high bandwidth neighbour cell interference power for each time division slot. A first change trend of the estimated high bandwidth neighbour cell interference power is computed (212) for each of the time division slots.
Telefonaktiebolaget L M Ericsson (publ)


12/03/15
20150350944 

Techniques for reporting power headroom in multiple connectivity wireless communications


Certain aspects of the present disclosure relate to reporting power headroom in wireless communications. A device can establish a first connection served by at least a first cell, and establish a second connection served by at least a second cell in multiple connectivity/carrier aggregation.
Qualcomm Incorporated


11/26/15
20150341870 

Terminal device for transmitting a power headroom report in a multi-carrier communication system, and same


A method and device for transmitting a power headroom report (phr) by a user equipment (ue) in a communication system supporting a plurality of carriers. The method includes transmitting, to an enode b (enb), a power headroom report (phr) related to the plurality of carriers configured for the ue.
Lg Electronics Inc.


11/12/15
20150327187 

Method and reporting power headroom


Embodiments of the present disclosure provide a method and apparatus for reporting power headroom. The method includes: transmitting a power headroom report message by ue to an enb when a report condition of ph is satisfied, related information in the power headroom report message which corresponds to a carrier multiplexed with a d2d link including a ph value of the d2d link and a ph value of a cellular link; wherein an order of the ph value of the d2d link and the ph value of the cellular link in the power headroom report message is predefined according to system configuration.
Fujitsu Limited


11/12/15
20150327186 

Mobile station, base station, methods for transmitting and receiving power headroom report, and computer readble medium


A mobile station (1) has a capability to communicate with a base station (2) simultaneously using activated first and second uplink carriers. The mobile station (1) is configured to transmit a power headroom report to the base station (2).
Nec Corporation


11/05/15
20150319717 

Power headroom calculation apparatus and a power headroom calculation method


Provided are a base station apparatus and a communication method that can preclude the recognition mismatch in which the reference formats of different ul grants are recognized between a wireless communication terminal apparatus and the base station apparatus by using power headroom (phr) calculation. For the phr calculation of a pusch in a cc in which no ul grant is present, a ul grant, which was used for calculating the phr in another cc having the same subframe number as the pusch, is used.
Panasonic Intellectual Property Corporation Of America


11/05/15
20150319716 

Method for reporting a power headroom and communication


There is provided a method for reporting a power headroom. The method may comprise: establishing, by a user equipment (ue), connections with plural base stations, each of which includes one or more cells; determining, by the ue, a power headroom for at least one base station among the plural base stations; and triggering, by the ue, a power headroom reporting (phr) including the determined power headroom..
Lg Electronics Inc


11/05/15
20150319702 

Configuration of uplink open loop power control parameters


A method or apparatus for configuring olpc parameters for uplink communications in a cellular wireless network includes determining an estimated number of neighbor cells deployed within radio range of a cell, and configuring olpc parameters for uplink communications, based on the estimated number of neighbor cells. Determining the estimated number of neighbor cells may include measuring respective signal strengths of the neighbor cells using network listen functionality.
Qualcomm Incorporated


10/22/15
20150304968 

Method and transmitting a power headroom report of a ue in a wireless communication system


A method and an apparatus are provided for transmitting a power headroom report (phr) to base station by a user equipment (ue), wherein the ue determines whether a received an uplink resource is a first uplink resource allocated for a new transmission after a medium access control (mac) reset, and starts a timer for reporting the phr, if the allocated uplink resource is the first uplink resource allocated for the new transmission after the mac reset.. .
Samsung Electronics Co., Ltd.


10/22/15
20150304967 

Method and controlling uplink power in a wireless access system


A method for reporting power headroom value in a wireless access system that supports a carrier aggregation, and a user equipment (ue) for performing the method are discussed. The method according to one embodiment includes receiving a uplink transmission grant allocating uplink resources on a predetermined subframe in an anchor uplink component carrier (ul cc); obtaining power headroom value for the anchor ul cc, if the ue is configured with a simultaneous physical uplink control channel (pucch) and physical uplink shared channel (pusch) transmission; and reporting the power headroom value to a base station.
Lg Electronics Inc.


10/22/15
20150304966 

Method for reporting a power headroom and communication device thereof


There is provided a method for a method for reporting a power headroom. The method may comprise: identifying a change of a mac entity; and triggering a power headroom reporting (phr), if the change of the mac entity is identified..
Lg Electronics Inc.


10/22/15
20150304965 

Method for transmitting power headroom report to network at user equipment in wireless communication system and an apparatus therefor


A method for processing a signal at a user equipment in a wireless communication system is disclosed. The method includes steps of constructing a phr (power headroom report) mac (medium access control) control element for at least one cell; reconstructing the phr mac control element by replacing information on the transmission power of the at least one cell with padding bits, if an indication indicating that a transmission of the at least one cell does not occur is received from a network; and transmitting the phr mac control element to the network..
Lg Electronics Inc.


10/01/15
20150282104 

Power sharing and power headroom reporting in dual connectivity scenarios


Certain aspects of the present disclosure provide procedures for power sharing, scaling, and power headroom reporting in dual connectivity operations. According to certain aspects, a method of wireless communication by a user equipment (ue) is provided.
Qualcomm Incorporated


09/24/15
20150271811 

Power headroom report dual-connectivity ue in mobile communication system


A transmit power capability and power headroom report (phr) method and an apparatus of a user equipment (ue) operating in an inter-evolved node b (inter-enb) carrier aggregation or dual connectivity mode for use in a mobile communication system are provided. The transmit power capability and phr method includes receiving configuration information for at least one medium access control (mac) entity for transmitting and receiving a signal; receiving uplink resource allocation information for a first mac entity included in the at least one mac entity; and transmitting, if change of measurement on one of the at least one mac entity is equal to or greater than a threshold, a power headroom report (phr) on an uplink resource corresponding to the first mac entity based on the uplink resource allocation information..
Samsung Electronics Co., Ltd.


09/17/15
20150264655 

Method for triggering power headroom reporting in a dual connectivity system and a device therefor


The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for triggering power headroom reporting in a dual connectivity system, the method comprising: configuring a plurality of medium access control (mac) entities, each mac entity corresponding to each enhanced-nodeb (enb); occurring an event for triggering power headroom reporting (phr) in a mac entity of the plurality of mac entities; triggering the phr in the plurality of mac entities including the mac entity if a type of the event is a first type event; and triggering the phr in the mac entity if the type of the event is a second type event..
Lg Electronics Inc.


09/03/15
20150249992 

Power headroom calculation apparatus and a power headroom calculation method


Provided are a power headroom (phr) calculation apparatus and method that can preclude the recognition mismatch in which the reference formats of different ul grants are recognized between a wireless communication terminal apparatus and a wireless communication base station apparatus. For the phr calculation of a pusch in a cc in which no ul grant is present, a ul grant, which was used for calculating the phr in another cc having the same subframe number as the pusch, is used.
Panasonic Intellectual Property Corporation Of America


09/03/15
20150249963 

Radio communication apparatuses and radio communication method


A radio communication apparatus is provided, which includes a receiver and a controller. The receiver, in operation, receives a first power headroom (phr), which is obtained by subtracting a transmit power for a data channel from a maximum transmit power at a mobile station and which is transmitted from the mobile station, and receives a second phr, which is obtained by subtracting the transmit power for the data channel and a transmit power for a control channel from the maximum transmit power at the mobile station and which is transmitted from the mobile station.
Panasonic Intellectual Property Corporation Of America


08/06/15
20150223095 

Method for configuring a dual connectivity user equipment


This disclosure describes, among other things, a method for configuring a dual connectivity user equipment (ue). In some embodiments, the method comprises: a first network node receiving link performance information with respect to the performance of a user plane between a second network node and the ue; the first network node determining a measurement report triggering parameter based on the received link performance information; and the first network node transmitting to the ue a message comprising the measurement report triggering parameter.
Telefonaktiebolaget L M Ericsson (publ)


07/30/15
20150215961 

User equipment uplink toggling for dual connectivity networks


A long term evolution (lte) protocol enhancement realizes the full benefit of dual connectivity user equipment (ue) in lte networks by providing a toggling mechanism to alleviate uncertainty in available transmit power, or power headroom, for uplink transmissions so that efficient utilization of the uplink radio resources can be achieved in dual connectivity. A new field for radio resource control (rrc) messages enables toggling for alternating transmissions to master and secondary evolved node bs (menbs and senbs) during alternating time periods.

07/30/15
20150215943 

Uplink transmit power allocation and power headroom reporting by a user equipment in a multi-connectivity environment


Techniques for wireless communication are described, which may include establishing a connection, by a user equipment (ue), with a first and second evolved nodeb (enb), wherein each of the enbs provide radio resources to the ue for respective uplink communications; receiving from the first enb, at the ue, an indication including an allocation of uplink transmit power between the first enb and at least the second enb; and transmitting the uplink communications from the ue to the first and second enbs based on the indication. The techniques may further include coordinating, by a first enb, multi-connectivity communication for a ue with at least the first enb and a second enb; determining for the ue, at the enb, an allocation of uplink transmit power between the first enb and at least the second enb; and transmitting an indication including the allocation of uplink transmit power allocation from the first enb to the ue..
Qualcomm Incorporated


07/30/15
20150215878 

Carrier aggregation with power headroom report


Methods, apparatuses, and software can be used for providing power headroom reporting in a telecommunication system. A method can include configuring a user equipment to send a power headroom report control element in uplink, wherein the power headroom report control element includes a bitmap indicating which power headroom reports are being reported.
Cellular Communications Equipment Llc


07/30/15
20150215877 

Apparatus and reporting power headroom in wireless communication system


Provided are an apparatus and a method for reporting a power headroom in a wireless communication system. A terminal may check the configuration of a plurality of subframes for multiple serving cells, determine at least one power headroom (ph) in correspondence to at least one subframe corresponding to the subframe for which an uplink configuration is established, from among the plurality of subframes, and perform a power headroom report (phr) including said at least one ph..
Lg Electronics Inc.


07/23/15
20150208346 

Apparatus and support of additional maximum power reduction by user equipment


According to an example embodiment of this application, a method may include by a processor, receiving an indication of the version of an additional maximum power reduction table supported by a user equipment (401). According to an example embodiment of this application, a method may include by a processor, allocating different resources to a user equipment, receiving power headroom reports generated by the user equipment based on the allocated resources, and determining based on the received power headroom reports whether the user equipment supports an additional maximum power reduction table..
Nokia Corporation


07/09/15
20150195799 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).
Samsung Electronics Co., Ltd.


07/09/15
20150195798 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).
Samsung Electronics Co., Ltd.


07/09/15
20150195797 

Methods, apparatus and systems for handling additional power backoff


Methods, apparatus and systems are described for a wireless transmit/receive unit (wtru) to manage its transmission power. A power headroom report (phr) may be triggered based on changes to backoff or the impacts of backoff.
Interdigital Patent Holdings, Inc.


07/09/15
20150195796 

Power headroom reporting with dual connectivity


Embodiments described herein relate generally to a communication between a user equipment (“ue”) and a plurality of evolved node bs (“enbs”). A ue may be adapted to operate in a dual connected mode on respective wireless cells provided by first and second enbs.

07/09/15
20150195795 

Power headroom reporting for in-device coexistence interference avoidance


The invention relates methods for maximum output level reporting by a mobile terminal in a mobile communication system. The invention is also providing apparatus for performing these methods, and computer readable media the instructions of which cause the apparatus to perform the methods described herein.
Panasonic Intellectual Property Corporation Of America


07/02/15
20150189606 

Power headroom report method and apparatus of ue


An improved method and an apparatus for reporting power headroom (ph) of a ue are provided. The power headroom report (phr) method of the present invention includes determining whether to trigger phr based on a change of power management maximum power reduction (p-mpr) between two time points, generating, if phr is determined to be triggered, power headroom, and reporting the power headroom information to a base station..
Samsung Electronics Co., Ltd.


07/02/15
20150189605 

Power headroom report method and apparatus of ue


An improved method and an apparatus for reporting power headroom (ph) of a ue are provided. The power headroom report (phr) method of the present invention includes determining whether to trigger phr based on a change of power management maximum power reduction (p-mpr) between two time points, generating, if phr is determined to be triggered, power headroom, and reporting the power headroom information to a base station..
Samsung Electronics Co., Ltd.


07/02/15
20150189604 

Terminal device for transmitting a power headroom report in a multi-carrier communication system, and same


A method and device for transmitting a power headroom report (phr) by a user equipment (ue) in a communication system supporting a plurality of carriers. The method includes transmitting, to an enode b (enb), a power headroom report (phr) related to the plurality of carriers configured for the ue.
Lg Electronics Inc.


06/25/15
20150181541 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).
Samsung Electronics Co., Ltd.


06/25/15
20150181540 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).
Samsung Electronics Co., Ltd.


06/25/15
20150181539 

Terminal apparatus, base station apparatus, communication method and integrated circuit


A terminal apparatus that communicates with a base station apparatus, according to one embodiment of the present invention, receives information indicating a subframe in a first subframe set and a subframe in a second subframe set, using higher-layer signaling, calculates a power headroom using a first set of parameters and an estimated value of a downlink pathloss that is calculated in the terminal apparatus, if a certain subframe belongs to the first subframe set, to calculate the power headroom for the certain subframe, and calculates the power headroom using a second set of parameters and the estimated value of the downlink pathloss, if the certain subframe belongs to the second subframe set, in which a first parameter by which the estimated value of the downlink pathloss is multiplied is included in the first set of parameters, and a second parameter by which the estimated value of the downlink pathloss is multiplied is included in the second set of parameters.. .
Sharp Kabushiki Kaisha


06/18/15
20150173031 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).
Samsung Electronics Co., Ltd.


06/18/15
20150173030 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).
Samsung Electronics Co., Ltd.


06/18/15
20150172032 

System and user equipment initiated management of carrier aggregation


Methods that are performed by a user equipment (ue) and corresponding methods of base stations that allow a ue to determine whether the ue is in a carrier aggregation enabled or disabled state. One exemplary embodiment of a method performed by a ue determines a first artificial value for a first parameter and a second artificial value for a power headroom (phr) for a secondary component carrier (scc), the first and second artificial values being substantially low relative to a configuration of the network, generates an artificial report including the first and second artificial values, transmits the artificial report to a primary cell providing a primary component carrier (pcc) and receives an indication that the ue is placed in a carrier aggregation disabled state..
Apple Inc.


06/11/15
20150163791 

Method and improving device to device (d2d) communication in a wireless communication system


Methods and apparatuses for improving device to device (d2d) communication are disclosed herein. One method includes communicating, by a user equipment (ue), with a device via the d2d communication.
Innovative Sonic Corporation


06/04/15
20150156733 

Method and power control


A power control method includes obtaining power headroom information of an aggregated carrier of a user equipment (ue). The aggregated carrier includes at least one component carrier group and at least one first carrier, or includes at least one component carrier group, or includes at least two first carriers.
Huawei Technologies Co., Ltd.


05/14/15
20150133181 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).

05/14/15
20150131567 

Method, system and power headroom report


Embodiments of the present invention relate to wireless communication technology field, especially relate to a method, system and apparatus for power headroom report, for the use of power headroom report when a user equipment(ue) aggregates carriers under different enhanced nodebs(enbs). Embodiments of the present invention provide a method for power headroom report, including: a user equipment which aggregates resources of multiple network equipment determines power headroom information; said user equipment sends said power headroom information to at least one of the network equipment participating in aggregation.

05/07/15
20150126242 

Method and configuring power headroom information in mobile communication system supporting carrier aggregation


A method and apparatus for configuring power headroom report (phr) of a user equipment (ue) efficiently in a mobile communication system supporting carrier aggregation are provided. The method includes generating a header including a lcid for identifying extended phr and l indicating a length of the extended phr, and inserting power headrooms (phs) of multiple activated carriers into the extended phr of one of the carriers..
Samsung Electronics Co., Ltd.


04/09/15
20150098424 

Method and power headroom reporting in a wireless communication system


A method and apparatus are disclosed for power headroom reporting in a wireless communication system. The method includes a ue (user equipment) being configured with at least a first cell and a second cell.
Innovative Sonic Corporation


03/26/15
20150087296 

Method and device for reporting power headroom in mobile communication system for carrier aggregation


Provided are a method and apparatus for reporting power headroom in a mobile communication system supporting carrier aggregation. A user equipment (ue) determines the maximum transmit power for each carrier and the maximum ue transmit power, and sends a power headroom report that contains power headroom for each carrier computed based on the maximum transmit power for the carrier and the maximum ue transmit power to a corresponding base station (enb)..
Samsung Electronics Co., Ltd.


03/26/15
20150085760 

Systems and methods for multi-connectivity operation


A method for sending a power headroom report (phr) by a user equipment (ue) is described. The method includes obtaining a value of a power headroom for each activated serving cell with configured uplink corresponding to a second radio connection.
Sharp Laboratories Of America, Inc.


03/05/15
20150065191 

Method for allowing terminal to transmit power headroom information in wireless communication system and device therefor


A method and a user equipment (ue) are described for transmitting power headroom (ph) information. The ue generates ph information, and transmits the ph information to a base station.
Lg Electronics Inc.


03/05/15
20150065188 

Transmit antenna selection in a mobile wireless device


Methods and apparatuses to select a transmit antenna in a mobile wireless device connected to a wireless network are described. The mobile wireless device monitors received signal characteristics through first and second antennas and switches antennas based on the monitored signal characteristics and on an assessment of the sufficiency of available transmit power headroom to accommodate data transmissions in the uplink direction.
Apple Inc.


03/05/15
20150063275 

Method for allowing terminal to transmit power headroom information in wireless communication system and device therefor


A method and a user equipment (ue) are described for transmitting power headroom (ph) information in a wireless communication system. A primary cell and at least one secondary cell are configured with the ue.
Lg Electronics Inc.


02/19/15
20150049722 

Carrier aggregation with power headroom report


Methods, apparatuses, and software can be used for providing power headroom reporting in a telecommunication system. A method can include configuring a user equipment to send a power headroom report control element in uplink, wherein the power headroom report control element includes a bitmap indicating which power headroom reports are being reported.
Cellular Communications Equipment Llc


02/12/15
20150043365 

Method and transmitting indicator in wireless communication system


A method and apparatus for transmitting an indicator in a wireless communication system is provided. A user equipment (ue) transmits an indicator to a base station, using at least one of a buffer status report (bsr) media access control (mac) control element (ce) and a power headroom report (phr) mac ce if uplink transmission is not available.
Lg Electronics Inc.


02/05/15
20150038158 

Method of efficiently reporting user equipment transmission power and apparatus thereof


A method and an apparatus for efficiently transmitting or reporting a power headroom report (phr) of a user equipment (ue) are provided. The method of transmitting the phr of the ue in a mobile communication system includes configuring an extended phr including an indicator corresponding to a variation factor of a maximum transmission power of the ue, and transmitting the extended phr from the ue to a base station (bs).
Samsung Electronics Co., Ltd.


01/22/15
20150023285 

Method and selecting and reselecting an uplink primary carrier


A method and apparatus are described for using an uplink (ul) primary carrier for long term evolution-advanced (lte-a) to support hybrid automatic repeat request (harq) feedback, a channel quality indicator (cqi), a scheduling request (sr), power headroom, and at least one buffer status report in the context of asymmetrical deployment and symmetrical deployment.. .
Interdigital Patent Holdings, Inc.


01/01/15
20150003371 

Method and cancelling buffer status report in wireless communication system


A method and apparatus for cancelling at least one of a buffer status report (bsr), a power headroom report (phr) and a scheduling request (sr) in a wireless communication system is provided. A user equipment (ue) triggers at least one of a bsr, a phr and an sr, and cancels the triggered at least one of bsr, phr and sr if uplink transmission (ul) transmission is not available.
Lg Electronics Inc.


01/01/15
20150003345 

Method and small cell enhancements in a wireless communication system


Methods and apparatuses are disclosed for small cell enhancement in a wireless communication system. The method includes a user equipment (ue) served by a first cell, wherein the first cell is controlled by a first evolved node b (enb).
Innovative Sonic Corporation


11/27/14
20140349701 

Uplink power headroom management for connectivity with logically separate cells


power headroom management in uplink carrier aggregation for connectivity with logically separate cells of a wireless communications system is performed by a network entity, alone or in combination with another network entity, one or more mobile entities, or both. This may include determining an uplink power allocation across at least two independently controlled cells of a wireless communication network for a mobile entity served by at least two independently controlled cells of a wireless communication network, subject to a total ph constraint for uplink transmissions by the mobile entity.

11/06/14
20140329553 

Mobile station apparatus, communication system, communication method, and integrated circuit


A base station apparatus efficiently controls transmission of an uplink signal to a mobile station apparatus. A transmission power setting unit sets transmission power for a physical uplink shared channel using one of a plurality of calculated path losses.

11/06/14
20140329551 

Method and controlling uplink power in wireless communication system


A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a user equipment (ue) forming a transmission link with a plurality of bss (bss), a power headroom report trigger event by at least one of the plurality of bss is detected.

10/30/14
20140321406 

Multipoint transmission in wireless communication


Embodiments contemplate wireless transmit/receive unit (wtru) transmissions of different types of uplink channels and/or signals in a system deployment where multiple destination points may exist. Some embodiments contemplate that a wtru may select the destination point of a transmission on a dynamic basis.

10/30/14
20140321304 

Maximum output power configuration with ue preference in carrier aggregation


A method of maximum output power configuration with ue preference in carrier aggregation is provided. A ue configures multiple component carriers (ccs) with carrier aggregation for communicating with a serving base station in a mobile communication network.

10/16/14
20140307681 

Power-limit reporting in a communication system using carrier aggregation


The invention relates to methods for informing an enodeb on the transmit power status of a user equipment in a mobile communication system using component carrier (cc) aggregation. Furthermore, the invention is also related to the implementation of these methods by hardware and their implementation in software.

09/11/14
20140254527 

Method and transmitting information about available power of terminal in mobile communication system


A method and apparatus are provided for transmitting power headroom information by a terminal in a mobile communication system. The method includes obtaining, by the terminal, an uplink transmission resource; obtaining, by the terminal, a path loss; and if the path loss is changed more than a threshold since a last transmission of a power headroom, obtaining power headroom information using a maximum transmission output of the terminal and a transmission power of the terminal, and transmitting the power headroom information using the uplink transmission resource..

08/28/14
20140241197 

Power headroom reporting for carrier aggregation


power headroom reporting and report handling are discussed in the context of a physical uplink shared channel (pusch), on which a user equipment (ue) has no valid uplink grant, and a physical uplink control channel (pucch) on which a ue has no transmission. Under these circumstances, it is not possible to directly calculate one or more parameters which are used to calculate power headroom.



Power Headroom topics: Power Headroom, Base Station, Carrier Aggregation, Carrier System, Physical Downlink Control Channel, Physical Uplink Control Channel, Allocation, Downlink Control Channel, Access Point, Scheduling, Computer Program, Quality Of Service, Wireless Communication Network, Internet Protocol, Communication System

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