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Power Headroom patents

      

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




 Multi-carrier power headroom in a wireless network patent thumbnailMulti-carrier power headroom in a wireless network
A wireless device receives message(s) comprising parameters indicating whether simultaneous pucch and pusch transmission is configured for a primary cell and for a pucch scell. The wireless device transmits a power headroom (ph) report.
Ofinno Technologies, Llc


 Power headroom calculation apparatus and a power headroom calculation method patent thumbnailPower headroom calculation apparatus and a power headroom calculation method
Provided is an integrated circuit that calculates a power headroom (phr) and 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.
Sun Patent Trust


 Terminal device, base station device, communication system, control method, and integrated circuit patent thumbnailTerminal device, base station device, communication system, control method, and integrated circuit
In a terminal device that uses a plurality of cells, the plurality of cells are grouped into a cell group for a first base station device and a cell group for a second base station device, and processing for activation/deactivation of the plurality of cells is performed on a cell in the cell group that receive a control element indicating the activation/deactivation, and in a case where the cell group for the second base station is added, a power headroom indicating capacity available for transmit power in the plurality of cells is determined as being triggered, and power headrooms of the plurality of cells that are activated are reported.. .
Sharp Kabushiki Kaisha


 Power-limit reporting in a communication system using carrier aggregation patent thumbnailPower-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.
Sun Patent Trust


 Power headroom control element,  communicating power information from a user equipment,  processing received power information as well as a corresponding user equipment and base station patent thumbnailPower headroom control element, communicating power information from a user equipment, processing received power information as well as a corresponding user equipment and base station
The present invention relates to a power headroom control element for communicating power information from a user equipment (ue) to a base station (bs), a corresponding method, a method for processing received power information at a radio access network (ran) as well as to a user equipment for communicating power information and a base station configured to process received power information, which particularly enable simple handling and processing of transmission power information, respectively. A power headroom control element is structured to comprise a power headroom field containing power headroom information and having a predetermined number of bits in the power headroom control element, and an indicator field associated with the power headroom field, wherein the indicator field serves to indicate whether a transmission power field with a predetermined number of bits is present in the power headroom control element..
Telefonaktiebolaget Lm Ericsson (publ)


 Method for determining transmission power for direct communication between terminals in wireless communication system, and  same patent thumbnailMethod for determining transmission power for direct communication between terminals in wireless communication system, and same
Disclosed is a method for transmitting and receiving a signal by a device to device (d2d) terminal in a wireless communication system, according to an embodiment of the present invention, the method comprising the steps of: calculating a power headroom; and reporting the power headroom to a base station, wherein, if a terminal performs an uplink transmission to the base station on a first component carrier and performs a d2d transmission on a second component carrier, the terminal, when calculating the power headroom, considers transmission power related to a minimum coverage for d2d communication.. .
Lg Electronics Inc.


 Method and  transmitting information about available power of terminal in mobile communication system patent thumbnailMethod 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 receiving, by the terminal, information on an allocated uplink transmission resource; determining whether a path loss has changed more than a threshold, after transmitting last power headroom information, when the terminal has the allocated transmission resource; if the path loss has changed more than the threshold when the terminal has the allocated transmission resource, determining a transmission of the power headroom information; and transmitting an uplink packet including the power headroom information using the allocated uplink transmission resource..
Samsung Electronics Co., Ltd.


 Uplink scheduling apparatus and method based on uplink report in wireless communication system patent thumbnailUplink scheduling apparatus and method based on uplink report in wireless communication system
A method and an apparatus for scheduling uplink transmissions according to a maximum transmission power and power headrooms (phs) reported by a user equipment (ue) are provided. A method for reporting the phs for carriers used by a terminal in a mobile communication system supporting carrier aggregation includes generating a message including the phs along with indicators indicating whether a real transmission is scheduled on an uplink data channel of corresponding carrier, and including, when the real transmission is scheduled, a maximum transmission power used for calculating the phs in the generated message..
Samsung Electronics Co., Ltd.


 Method and  triggering a power headroom report patent thumbnailMethod and triggering a power headroom report
Various methods are provided for triggering a power headroom report. One example method may include storing a first pathloss value and a second pathloss value for a first entity and a first pathloss value and a second pathloss value for a second entity, for each of the first entity and second entity, determining whether first pathloss value or second pathloss value has changed more than a corresponding threshold value, determining whether the ue has ul resources for a new transmission, and in an instance where, for at least one of the first entity or second entity, the first pathloss value or second pathloss value has changed (e.g., increased or decreased) more than the corresponding threshold value, triggering a phr.
Nokia Technologies Oy


 Method and terminal for transmitting power headroom report in dual connection between terminal and base station patent thumbnailMethod and terminal for transmitting power headroom report in dual connection between terminal and base station
One disclosure of the present specification provides a method for receiving downlink data in a wireless communication system supporting 256 qam. The method for receiving downlink data in a wireless communication system supporting 256 qam comprises the steps of: receiving configuration information about power back-off; receiving downlink data transmitted on the basis of the configuration information about power back-off; and demodulating the received downlink data on the basis of the configuration information about power back-off, wherein the configuration information about power back-off may comprise information related to at least one of the following: whether to apply power back-off, the reduced amount of power of downlink data by power back-off, a frame index to which power back-off is applied, a subframe index and a resource to which power back-off is applied..
Lg Electronics Inc.


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.
Intel Ip Corporation

Power headroom reporting for low cost machine type communication

Enhanced power headroom reporting (ephr) for mtc devices. The ephr techniques may include configuration and triggering of reporting when a corresponding change to a coverage enhancement (ce) level is likely to result.
Qualcomm Incorporated

Uplink power control method, user equipment, and base station

The present invention provides an uplink power control method, user equipment, and a base station. The user equipment includes: a receiver, configured to receive first radio resource control protocol rrc configuration information sent by a first base station, where the first rrc configuration information includes a parameter used to calculate a power headroom ph that is of the ue and that is in a first cell controlled by the first base station; and a transmitter, configured to send second rrc configuration information to a second base station.
Huawei Technologies Co., Ltd.

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.

Apparatus and transmitting a power headroom report in a wireless communication system supporting multi-carriers

An apparatus and method for transmitting a power headroom report in a communication system supporting multi-carriers are disclosed, by which a user equipment is enabled to transmit the power headroom report. According to the present invention, a user equipment calculates a power headroom for each of at least one activated serving cell using a maximum transmission power of the user equipment for each of at least one activated serving cell and transmits the power headroom report including the power headroom for each of the at least one activated serving cell and the maximum transmission power of the user equipment for each of the at least one activated serving cell to a base station.
Lg Electronics Inc.

Power headroom reporting for wireless communication system

Methods and apparatus are provided for reporting a power headroom (ph) of a user equipment (ue) in a wireless communication system having a plurality of aggregated uplink carriers. A method includes receiving a configuration message to configure at least one uplink carrier; triggering a power headroom report (phr) for a first uplink carrier if a predetermined event occurs; detecting an allocation of an uplink transmission resource for the phr; identifying whether the first uplink carrier for which a power headroom (ph) is to be determined is different from a second carrier to which the uplink transmission resource is allocated; determining the ph based on a first pathloss associated with the first uplink carrier, if the first uplink carrier is different from the second carrier; and transmitting the phr generated based the determined ph..
Samsung Electronics Co., Ltd.

Method 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

Method and device for reporting power headroom report

The embodiments of the present document provide a method and device for reporting a power headroom report, which relates to the field of mobile communications, and solves the problem of lacking a triggering and sending mechanism for a phr of the dual-connectivity terminal in the related art. The method includes: a terminal triggering to report a phr when detecting that a first cell is added in a senb; and the terminal reporting the phr to a menb and/or the senb, to which the terminal belongs.
Zte Corporation

Power headroom reporting for mtc devices in enhanced coverage mode

The present disclosure relates various embodiments for improving power headroom reporting for ues being in an enhanced coverage mode. The ue may be configured to always transmit a virtual power headroom report to the enb, when operating in the enhanced coverage mode.
Panasonic Intellectual Property Corporation Of America

Physical uplink control channel management for pucch secondary cell in carrier aggregation

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may be configured for carrier aggregation (ca) configuration with a primary cell (pcell) and a physical uplink control channel (pucch) enabled secondary cell (scell).
Qualcomm Incorporated

Method and controlling power headroom report and hybrid automatic retransmission in mobile communication system

According to one embodiment of the present invention, suggested art a method for reporting a power headroom report (hereinafter, phr) of a terminal and an apparatus of the terminal, the method comprising the steps of: determining whether the terminal is operated in dynamic time division multiple access (hereinafter, tdd, time division duplexer) mode; determining whether the terminal receives service from a plurality of serving cells, when it is determined that the terminal is operated in dynamic tdd mode; determining a power headroom type (hereinafter, ph type) on the basis of a radio resource control (hereinafter, rrc) message and downlink control information (dci) received from a base station, when it is determined that the terminal receives a service from the plurality of serving cells; and transmitting information about the determined ph type using an extended phr format. In addition, suggested are a method for receiving a phr by a base station and a base station apparatus capable of setting a tdd mode in the terminal and receiving the phr from the terminal..
Samsung Electronics Co., Ltd.

Uplink power headroom reporting for carrier aggregation

A method for reporting power headroom is disclosed. Power headroom may be reported across all carriers (wideband), for a specific carrier, or for a carrier group.
Interdigital Patent Holdings, Inc.

Method 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 transmitting a power headroom reporting in the wireless communication system, the method comprising: generating a phr mac ce (power headroom reporting mac control element) for activated cells comprising a first cell and a second cell; and transmitting a power headroom reporting through the generated phr mac ce to a network in a subframe, wherein the generated phr mac ce includes a first group of type 2 ph (power headroom) information including a plurality of values of type 2 ph information followed by a second group of type 1 ph information including a plurality of values of type 1 ph information..
Lg Electronics Inc.

Control elements in a wireless device and wireless network

A wireless device transmits a power headroom report media access control control element (phr mac ce). The phr mac ce comprises a presence field comprising a plurality of presence bits.
Ofinno Technologies, Llc

Method 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 transmitting a power headroom reporting in the wireless communication system, the method comprising: generating a phr mac ce (power headroom reporting mac control element) to be transmitted to the first bs; and transmitting a power headroom reporting through the phr mac ce to the first bs, wherein the phr mac ce includes only first ph (power headroom) information for activated cells served by the first bs such that second ph information for activated cells served by the second bs is not included..
Lg Electronics Inc.

Method and performing power headroom reporting procedure in wireless communication system

A method is provided for performing, by a user equipment (ue), a power headroom reporting (phr) procedure in a wireless communication system. The ue determines whether at least one phr has been triggered and not canceled, and whether an uplink (ul) resource can accommodate a phr media access control (mac) control element (ce) plus its subheader as a result of a logical channel prioritization (lcp).
Lg Electronics Inc

Power usage state information transmission method and apparatus

Embodiments of the present invention provide a power usage state information transmission method and apparatus. The transmission method for transmitting power usage state information according to the present invention includes: determining, by a terminal device, a power headroom ph of a second cell corresponding to the terminal device; and sending, by the terminal device to the first network device, the ph and channel configuration information corresponding to the ph.
Huawei Technologies Co., Ltd.

Determining power headroom in a wireless network

Methods and apparatus for power control are described. Methods are included for calculating and signaling power control related data to support multiple component carriers (ccs) for which transmission may be accomplished with one or more wtru power amplifiers (pas).
Interdigital Patent Holdings, Inc.

Power headroom in a wireless network

A plurality of cells comprise a primary cell and a physical uplink control channel (pucch) secondary cell. A wireless device transmits a power headroom report (phr) media-access-control control element (mac ce).
Ofinno Technologies, Llc

Power headroom report for a wireless device and a base station

A wireless device receives message(s) comprising configuration parameters of a plurality of cells for communication with a base station. The message(s) comprise a first information element (ie) indicating a new extended power headroom report is configured.
Ofinno Technologies, Llc

Method for configuring downlink transmission power through rrh in cloud lan environment

Disclosed are a bbu power configuring method and a bbu which determine required power which is requested by a bbu to an rrh to transmit a downlink signal to a terminal based on rrh power headroom information in a cloud lan environment in which the rrh and the bbu are separated and transmit a power allocation change request message for making a request for changing transmission power of other bbus connected to the rrh to the other bbus.. .
Lg Electronics Inc.

Method and controlling uplink power in a wireless access system

A method and a user equipment (ue) for receiving a power headroom report in a wireless access system that supports a carrier aggregation are discussed. The method according to an embodiment includes transmitting by an enb to a ue an uplink transmission grant allocating uplink resources on a predetermined subframe in an anchor uplink component carrier (ul cc); and receiving the power headroom report by the enb from the ue.
Lg Electronics Inc.

Method and performing and reporting measurements by user equipment configured with multiple carriers in mobile communication systems

A communication method and system for supporting a high data transmission rate fuse 5g communication systems with iot technology to transmit data at a high rate after 4g systems. The method for a terminal in a wireless communication system supporting carrier aggregation includes receiving a control message including indication information, the indication information indicating that physical uplink control channel (pucch) feedback for at least one secondary cell (scell) is transmitted on a scell; identifying whether the scell is configured to the terminal and is activated; and if the scell is configured to the terminal and is activated, obtaining type 2 power headroom information for the scell..
Samsung Electronics Co., Ltd.

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

Power control and power headroom for component carrier

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may coordinate power utilization across component carriers (ccs) with different transmission time interval (tti) configurations.
Qualcomm Incorporated

Power control and power headroom reporting for dual connectivity

The present disclosure relates to a method for efficiently performing power control in situations where the ue is connected to both a menb and senb. The menb determines a power distribution ratio for the power to be used by the ue for uplink transmission to the menb and senb, determines the parameters pemax,menb and pemax,senb and sends these parameters to the senb/ue for use in power control.
Panasonic Intellectual Property Corporation Of America

User terminal and radio communication method

The present invention is designed to enable adequate transmission power control when inter-base station ca is employed. When inter-base station ca is employed, radio base stations detect when a user terminal's transmission power reaches the maximum transmission power, and execute control to cancel this.
Ntt Docomo, Inc.

Method and apparatus of transmitting control information in wireless communication systems

The present disclosure relates to communication schemes for combining 5g communication systems with iot technology to support higher data transmission rate as post-4g systems and systems for the same. The present disclosure may be used in intelligent services (e.g., smart home, smart building, smart city, smart car, or connected car, health-care, digital education, retail business, security and safety-related services, etc.) based on the 5g communication technology and iot-related techniques.
Samsung Electronics Co., Ltd.

Method and transmitting power headroom report in wireless communication system

A method and apparatus for transmitting a power headroom report (phr) in a wireless communication system is provided. A user equipment (ue) transmits a first phr for a first carrier group, which is configured by a first enodeb (enb), to a second enb; and transmits ing a second phr for a second carrier group, which is configured by the second enb, to the first enb.
Lg Electronics Inc.

Triggering power headroom reporting in tdd system

The present invention relates to a wireless communication system. More specifically, the present invention relates to triggering conditions for power headroom reporting (phr) in a wireless network employing tdd scheme.
Lg Electronics Inc.

Method for calculating and reporting power headroom 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: determining a first weight factor for the first bs and a second weigh factor for the second bs if a sum of a power headroom (ph) for the first bs or a ph for the second bs is more than a ph of activated cells of the ue; reducing a size of the ph for the first bs by using the first weight factor; and reducing a size of ph for the second bs by using the second weight factor..

Methods and apparatuses for enabling power back-off indication in phr in a telecommunications system

The exemplary embodiments describe a method for use in a user equipment, a method for use in a radio base station; a user equipment and a radio base station. According to the exemplary embodiments, the user equipment is configured to decide on application or not of a power reduction and to indicate it decision in a power headroom report intended for transmission to the radio base station.

Triggering power headroom reporting in tdd system

The present invention relates to a wireless communication system. More specifically, the present invention relates to triggering conditions for power headroom reporting (phr) in a wireless network employing tdd scheme.

Method and apparatus of small cell enhancement in a wireless communication system

A method and apparatus are disclosed to provide small cell enhancement in a wireless communication system. The method includes connecting to more than one serving cell.
Innovative Sonic Corporation

Power headroom reporting scheme for multiple subframe configurations

The present invention relates to a wireless communication system. More specifically, the present invention relates to power headroom reporting (phr) in terms of multiple tdd ul/dl subframe configurations.
Lg Electronics Inc.

Reporting power headroom for aggregated carriers

A method for reporting power headroom-related information for a plurality of aggregated carriers. The method includes reporting in a bitmap the power headroom-related information for a number of the aggregated carriers that is less than or equal to the total number of aggregated carriers, wherein the power headroom-related information is one of a power headroom for at least one of the aggregated carriers and a path loss for at least one of the aggregated carriers..
Blackberry Limited

Methods for power headroom reporting, resource allocation, and power control

Methods and apparatuses are provided for reporting power headroom of a user equipment (ue). It is determined whether a simultaneous physical uplink control channel (pucch) and physical uplink shared channel (pusch) transmission is configured.
Samsung Electronics Co., Ltd.

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

There is provided a terminal apparatus configured to communicate with a base station apparatus. The terminal apparatus is configured to: receive information indicating a subframe of a first subframe set and a subframe of a second subframe set by using a higher layer signaling.
Sharp Kabushiki Kaisha

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

There is provided a terminal apparatus configured to communicate with a base station apparatus. The terminal apparatus includes a reception unit configured to receive information for configuring a plurality of subframe sets and a parameter for each of the plurality of subframe sets from the base station apparatus, and a transmission unit configured to report power headroom calculated based on the parameter for a subframe set to which a subframe in which power headroom reporting is performed belongs, to the base station apparatus in the subframe.
Sharp Kabushiki Kaisha

Method 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 transmitting a power headroom reporting in the wireless communication system, the method comprising: generating a phr mac ce (power headroom reporting mac control element) for activated cells comprising a first cell and a second cell; and transmitting a power headroom reporting through the generated phr mac ce to a network in a subframe, wherein the generated phr mac ce includes a value of type 2 ph (power headroom) information for the first cell followed by a value of a type 2 ph information for the second cell, and the type 2 ph information for the second cell followed by a value of type 1 ph information for the first cell..
Lg Electronics Inc.

Method 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.

Power 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.



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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    This listing is a sample listing of patent applications related to Power Headroom for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Power Headroom with additional patents listed. Browse our RSS directory or Search for other possible listings.


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