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Carrier Aggregation patents



      

This page is updated frequently with new Carrier Aggregation-related patent applications.




Date/App# patent app List of recent Carrier Aggregation-related patents
05/19/16
20160143084 
 Methods for multi-point carrier aggregation configuration and data forwarding patent thumbnailnew patent Methods for multi-point carrier aggregation configuration and data forwarding
Methods of multi-point carrier aggregation configuration and data forwarding are disclosed. In one embodiment of the invention, a primary connection is established between a ue and a primary base station in a primary cell with a first ue-id.
Mediatek Inc.


05/19/16
20160143047 
 Scheduling and admission of radio bearers in a communications system applying carrier aggregation patent thumbnailnew patent Scheduling and admission of radio bearers in a communications system applying carrier aggregation
A method and a network node (110; 400) for scheduling of resources to radio bearers associated with wireless devices (120, 121, 122) served by a base station (110) in a cell (115). The network node (110, 400) and the base station (110) operating in a wireless communications system (100) applying carrier aggregation.
Telefonaktiebolaget L M Ericsson (publ)


05/19/16
20160143046 
 Maximization of radio resource allocation for a carrier aggregated user equipment patent thumbnailnew patent Maximization of radio resource allocation for a carrier aggregated user equipment
To schedule user equipments (ues) in a scheduling period, for each of x cells in a carrier aggregation (ca) system relative priorities of data bearers are determined. Each data bearer is associated with a respective ue having buffered data and at least one of the ues is a ca-ue that is allowed radio resource allocation to its associated data bearers in at least two of the cells.
Aricent Technologies Luxembourg S.a.r.l.


05/19/16
20160143035 
 Carrier switching method, base station, and user equipment patent thumbnailnew patent Carrier switching method, base station, and user equipment
The present invention discloses a carrier switching method, a base station, and user equipment, where the method includes: determining, according to carrier switching capability information of user equipment ue, a carrier switching policy according to which the ue performs carrier switching; and sending carrier switching indication information to the ue, where the carrier switching indication information is used for indicating the carrier switching policy, so that the ue performs carrier switching according to the carrier switching policy. In the carrier switching method, the base station and the user equipment according to embodiments of the present invention, the ue having no carrier aggregation capability is enabled to dynamically perform switching between at least two carriers, so that quality of service of a service of the ue can be improved, user experience can be improved, and system performance can be improved..
Huawei Technologies Co., Ltd.


05/19/16
20160143012 
 Carrier aggregation controller and method patent thumbnailnew patent Carrier aggregation controller and method
A carrier aggregation controller for providing an aggregated baseband signal from a plurality of baseband signals is provided. The controller comprises an accumulating memory, a selector and a time domain transformer.
Freescale Semiconductor, Inc.


05/19/16
20160142998 
 Multi-sim user equipment and wireless communication method thereof patent thumbnailnew patent Multi-sim user equipment and wireless communication method thereof
A wireless communication method and multi-sim user equipment are provided. The wireless communication method for multi-sim dual standby (dsds) technology is applied on multi-sim user equipment (ue) which is capable of carrier aggregation (ca) or dual connectivity (duco).
Mediatek Inc.


05/19/16
20160142933 
 Fair distribution of radio resources between guaranteed bit rate (gbr) and non-gbr data bearers patent thumbnailnew patent Fair distribution of radio resources between guaranteed bit rate (gbr) and non-gbr data bearers
User equipments (ues) may be scheduled by, in a cell, determining relative priorities of data radio bearers (drbs), each drb associated with an active ue. A limit is established dividing radio resources available for allocation in the cell during a scheduling period into at least a first limited portion and a second remaining portion.
Aricent Technologies Luxembourg S.a.r.l


05/19/16
20160142231 
 Receiver front end architecture for intra band carrier aggregation patent thumbnailnew patent Receiver front end architecture for intra band carrier aggregation
A receiver front end architecture for intra band carrier aggregation is disclosed. In an exemplary embodiment, an apparatus includes a first transistor having a gate terminal to receive an input signal, drain terminal to output an amplified signal, and a source terminal connected to a signal ground by a source degeneration inductor.
Qualcomm Incorporated


05/19/16
20160142027 
 Amplifier and related method patent thumbnailnew patent Amplifier and related method
An amplifier applicable to an intra-band non-contiguous carrier aggregation (ncca) band includes a first amplifier circuit and a second amplifier circuit. The ncca band includes at least a primary component carrier (pcc) channel and a secondary component carrier (scc) channel not adjacent to each other.
Mediatek Inc.


05/12/16
20160135248 
 Methods for multi-point carrier aggregation configuration and data forwarding patent thumbnailMethods for multi-point carrier aggregation configuration and data forwarding
Methods of multi-point carrier aggregation configuration and data forwarding are disclosed. In one embodiment of the invention, a primary connection is established between a ue and a primary base station in a primary cell with a first ue-id.
Mediatek Inc.


05/12/16
20160135221 

Communication method using a carrier aggregation and apparatus therefore


A method of controlling an uplink transmission in a wireless communications system, and a user equipment therefore are discussed. The method according to one embodiment includes configuring the user equipment with multiple component carriers; receiving first configuration information for allocating one or more component carrier sets; receiving second configuration information for periodically transmitting an uplink signal; receiving control information for configuring states of component carriers, by which a downlink component carrier and an uplink component carrier are controlled to be in a same state; and performing a procedure for periodically transmitting the uplink signal on an uplink component carrier in use of the first configuration information, the second configuration information and the control information.
Lg Electronics Inc.


05/12/16
20160135156 

Method and device for information transmission in wireless communication system


The present invention relates to a wireless communication system and more specifically relates to a method and device for transmitting information. A wireless communication system can support carrier aggregation (ca).
Lg Electronics Inc.


05/12/16
20160134407 

Method, base station, and user equipment for feeding back ack/nack information for carrier aggregation


The present invention provides a method, a base station, and a user equipment for feeding back ack/nack information for carrier aggregation. The method includes: configuring a common field preset in dci as at least one type of command field related to ack/nack feedback of at least two types of command fields related to ack/nack feedback, where the common field can be configured as the command fields related to ack/nack feedback; and sending the dci to a user equipment, so that the user equipment feeds back ack/nack information according to the dci.
Huawei Technologies Co.,ltd.


05/05/16
20160128054 

Method and carrier aggregation


The present disclosure relates to a method and an apparatus for controlling carrier aggregation. In the method, a terminal performs carrier aggregation from a first base station so that a pcell, which is one carrier from among carriers controlled by the first base station, is used for setting another carrier to be an scell.
Kt Corporation


05/05/16
20160128034 

Method and transmitting control channel in intra-cell carrier aggregation system


A technique for converging 5th generation (5g) communication and internet of things (iot) technologies is provided. The technique may be applied to intelligent services based on the 5g communication and iot technologies.
Samsung Electronics Co., Ltd.


05/05/16
20160127998 

Communication terminal and controlling power consumption of a communication terminal


A communication terminal is described comprising a transceiver configured to communicate using carrier aggregation according to a first carrier aggregation setting, a detector configured to detect a need for the communication terminal to reduce its power consumption and a controller configured to initiate a switch from the first carrier aggregation setting to a second carrier aggregation setting with reduced power consumption compared to the first carrier aggregation setting if the detector has detected a need for the communication terminal to reduce its power consumption.. .
Intel Corporation


05/05/16
20160127107 

Cell status changing method, user equipment, and base station


Embodiments disclose a cell status changing method. The method includes receiving, by user equipment, a first indication sent by a master base station, where the first indication is used to indicate a status change of a first cell of the master base station or a status change of a second cell of a secondary base station; and performing activation on the first cell or the second cell according to the first indication, or performing deactivation on the first cell or the second cell according to the first indication.
Huawei Technologies Co., Ltd.


05/05/16
20160127105 

Method of transmitting and receiving ack/nack signal and apparatus thereof


Disclosed is a method for transmitting an ack/nack signal for an harq (hybrid automatic repeat request) in a ca (carrier aggregation) system, the method including obtaining at least one transmission resource among first and second transmission resources; configuring a first table showing a relationship in which a combination of at least one of the first and second transmission resources and modulation symbols is mapped to an ack/nack signal, and transmitting modulation symbols corresponding to a transmission target ack/nack signal in the first table by using transmission resource corresponding to the transmission target ack/nack signal in the first table.. .
Pantech Co., Ltd.


05/05/16
20160127055 

Mechanism to measure, report, and allocate a highest possible rank for each cell in a carrier aggregation (ca) mode receiver-limited user equipment (ue)


Certain aspects of the claimed invention generally relate to a network dynamically configuring one or more cells based on signal quality measurements received from all antennas of a receiver-limited ue. The receiver-limited ue may have a number of receivers that is less than or equal to a number of antennas of the ue.
Qualcomm Incorporated


05/05/16
20160127017 

Configurable receiver architecture for carrier aggregation with multiple-input multiple-output


A wireless communication system and method that includes configurable carrier aggregation (ca) and/or multiple-input multiple-output (mimo) operational modes. In ca, multiple carriers (i.e., channel bundling) are aggregated and jointly used for transmission to/from a single terminal.
Broadcom Corporation


05/05/16
20160127016 

Uplink diversity and interband uplink carrier aggregation in front-end architecture


Uplink diversity and interband uplink carrier aggregation in front-end architecture. In some embodiments, a radio-frequency (rf) front-end architecture can include a first transmit/receive (tx/rx) front-end system configured to operate with a first antenna, and a second tx/rx front-end system configured to operate with a second antenna.
Skyworks Solutions, Inc.


05/05/16
20160126990 

Diversity receive modules using one or more shared tunable notch filters for transmit blocker rejection


A carrier aggregation front-end module with a receive sub-module for receiving signals from a plurality of transmit modules. The module comprises a first receive path configured to receive a first set of signals from one or more of a plurality of antennas, wherein the first set of signals comprises at least one desired receive signal and at least one undesired transmit blocker signal from the plurality of transmit modules.
Rf Micro Devices, Inc.


04/28/16
20160119925 

Communication device and controlling transceiver chains of a communication device


A communication device is described comprising a first transceiver chain set to communicate signals in a first frequency range, a second transceiver chain set to communicate signals in a second frequency range or set to no communication and a controller, configured to receive an instruction for a resetting of carrier aggregation comprising a setting of the first transceiver chain or the second transceiver chain to receive signals in a third frequency range different from the first frequency range and the second frequency range, to control, in response of the reception of the instruction, the second transceiver chain to receive signals within the first frequency range simultaneously with the first transceiver chain and to control the first transceiver chain, when the communication of signals within the first frequency range by the second transceiver chain fulfills a predetermined criterion, to stop communication of signals within the first frequency range.. .
Intel Corporation


04/28/16
20160119904 

Search space for epdcch control information in an ofdm-based mobile communication system


The present invention relates to a method for receiving control information within a subframe of a multi-carrier communication system supporting carrier aggregation, the method comprising the following steps performed at a receiving node: performing a blind detection for the control information within a search space by means of a first search pattern, wherein the first search pattern is one of a plurality of search patterns, each of the plurality of search patterns comprising a plurality of candidates distributed on any of a plurality of aggregation levels, and wherein the plurality of search patterns further comprises a second search pattern whose candidates are non-overlapping the candidates of the first search pattern on the same aggregation levels.. .
Panasonic Intellectual Property Corporation Of America


04/28/16
20160119216 

Method and device for activating and deactivating secondary component carrier in carrier aggregation


The present invention relates to communication technology. Disclosed are a method and device for activating and deactivating a secondary component carrier (scc) in carrier aggregation.
Datang Mobile Communications Equipment Co., Ltd


04/28/16
20160119084 

Carrier aggregation acknowledgement bits


Systems, methods, and user equipment can involve transmitting acknowledgement/negative acknowledgement (ack/nack) bits for carrier aggregation between a first cell and a second cell in a user equipment (ue). With the ue, for a sub-frame, a first number of ack/nack bits for the first cell can be compared with a second number of ack/nack bits for the second cell.
Blackberry Limited


04/21/16
20160112918 

Method for implementing soft handover based on carrier aggregation technology, base station, and terminal


A method for implementing soft handover based on a carrier aggregation technology, a base station and a terminal are disclosed. The method is applied in a scenario of complementary carrier coverage, and includes: a terminal and a base station simultaneously receiving and transmitting data through a plurality of cells corresponding to a plurality of member carriers by means of carrier aggregation, wherein one of the plurality of cells is a primary cell, and the rest are secondary cells; according to a measurement result of the terminal, the base station determining to switch one of the secondary cells to be the primary cell of the terminal, and marking the one of the secondary cells as a target secondary cell; and the base station maintaining a service connection between the terminal and the target secondary cell, and notifying the terminal to hand over a control signaling connection to the target secondary cell..

04/21/16
20160112902 

Apparatus and balancing traffic load using inter-site carrier aggregation


A method for selecting a serving cell by a user equipment (ue) to which the inter-site carrier aggregation (ca) technology is according to the intensity of a reception signal of each carrier wave is provided. However, in order to improve resource usage and a throughput of the entire cells, a method is performed in which a pcell and an scell are selected considering the intensity of a reception signal and a load between cells, the scell is activated, and loads of the pcell and the scell are adjusted.

04/21/16
20160112178 

Method and fdd/tdd intra-node and inter-node carrier aggregation


Methods and apparatuses for tdd/fdd aggregation are described. The method thereto comprises receiving information on uplink scheduling, wherein the uplink scheduling is a scheduling on uplink transmission configured with a carrier aggregation of a primary cell (pcell) with tdd and a secondary cell (scell) of fdd or a carrier aggregation of a pcell with fdd and a scell with tdd and transmitting uplink signal based on the uplink scheduling..

04/14/16
20160105911 

Method and performing random access in a mobile communication system


The present disclosure relates to a method and apparatus for performing random access in a user equipment for a small cell e-nb with a small cell service area in heterogeneous e-nb cell carrier integration (dual connectivity or inter-enb carrier aggregation) in mobile communication systems. In accordance with an aspect of the present disclosure, a method for performing random access in a mobile communication system is provided.

04/14/16
20160105880 

Carrier aggregation methods of broadcast channels with broadcast channels or broadcast channels with unicast channels


A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a ue.

04/07/16
20160100389 

Method and device for allocating dedicated scheduling request resource


A method and device for distributing the specific scheduling request resources. The method includes: in the multi-carrier aggregation system, according to the set scheduling principle determine the terminal sending carrier resources which may be used by the specific scheduling, the carrier resources comprises the number of carrier and serial number, the carrier resources of the specific scheduling request resources are distributed and sent to the terminal on the determined carrier according to the set scheduling principle; the distributed carrier and time frequency resources which may be used on every carrier are informed to the terminal..
China Academy Of Telecommunications Technology


03/31/16
20160095097 

Method for transmitting and receiving signals using multi-band radio frequencies


A method for transmitting, by a base station, signals in a communication system. The base station transmits, to a mobile station via a primary carrier band of the mobile station, carrier aggregation configuration information informing the mobile station of a subsidiary carrier band for the mobile station.
Lg Electronics Inc.


03/31/16
20160095086 

Carrier aggregation secondary component carrier management


This disclosure relates to management of a secondary component carrier by a wireless device when using carrier aggregation. According to one embodiment, a primary component carrier for communication between a base station and a wireless device may be configured according to a first wireless communication technology.
Apple Inc.


03/31/16
20160094446 

Multiple radio link control (rlc) groups


Technology to process radio link control (rlc) groups is disclosed. In an example, a carrier aggregation (ca) capable user equipment (ue) operable process radio link control (rlc) groups can include a ue radio frequency (rf) transceiver and a processor.

03/24/16
20160087770 

Method, system and transmitting data in carrier aggregation manner


A method, a system and an apparatus can be used for transmitting data in a ca manner. A first base station currently serving a user equipment (ue), creates eps bearers under different component carriers cc groups for the ue.
Huawei Technologies Co., Ltd.


03/17/16
20160081113 

Communication carrier aggregation system


Embodiments of the present invention provide a communication method for a carrier aggregation system. The communication method includes receiving physical downlink share channel pdsch information sent by a base station through a subframe n of a secondary cell.
Huawei Technologies Co., Ltd.


03/17/16
20160081076 

Communication method, base station and user equipment


The present invention provides a communication method to solve a problem of a failure in data receiving that arises. The method includes: sending, by a first base station, first data to ue according to first data allocation information that is determined according to a radio access capability of the ue; and sending, by a second base station according to second data allocation information that is determined by the first base station according to the radio access capability of the ue, second data to the ue; where the first base station performs carrier aggregation with the second base station, and a total amount of data that is sent by the first base station and the second base station to the ue in a same tti does not exceed a total amount of data that can be received according to the radio access capability of the ue..
Huawei Technologies Co., Ltd.


03/17/16
20160081068 

Communication carrier aggregation system


Embodiments of the present invention provide a communication method for a carrier aggregation system. The communication method includes receiving physical downlink share channel pdsch information sent by a base station through a subframe n of a secondary cell.
Huawei Technologies Co., Ltd.


03/17/16
20160080134 

Periodic channel state information reporting for time division duplex (tdd) carrier aggregation systems


Technology for a user equipment (ue) operable to report periodic channel state information (csi) is disclosed. The ue can determine a reporting period (npd) of the ue for a serving cell.
Intel Corporation


03/17/16
20160080094 

Method for removing interference in wireless communication system and device for same


A method by which a base station supports the removal of an interference signal from a reception signal of a terminal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of receiving, from the terminal, information on capability relating to carrier aggregation (ca); determining a method for removing an interference signal of the terminal, on the basis of information on the capability relating to the ca; and transmitting, to the terminal, the determined interference signal removal method, wherein the information on the capability relating to the ca can include a ca bandwidth class and mimo capability of the terminal for the respective bands of respective band combinations for the ca.. .
Lg Electronics Inc .


03/10/16
20160073370 

Secondary cell synchronization for carrier aggregation


A carrier aggregation application method is provided of attaining time synchronization to a secondary cell for a wireless communication device usable in a cellular communication network. The method comprises, if a time reference of the secondary cell is unknown to the wireless communication device: setting a preliminary time reference of the secondary cell to equal a time reference of a primary cell of the carrier aggregation application; performing a synchronization signal based detection of the time reference of the secondary cell based on the preliminary time reference and one or more synchronization signals transmitted in the secondary cell; performing preliminary time reference based channel state measurements of the secondary cell based on the preliminary time reference and one or more reference signals transmitted in the secondary cell; setting, based on the synchronization signal based detection, a value of a channel quality indicator to either a nominal value or a value based on the preliminary time reference based channel state measurements; and transmitting a channel state information report comprising the channel quality indicator to the cellular communication network.
Telefonaktiebolaget L M Ericsson (publ)


03/10/16
20160073362 

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


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.


03/10/16
20160072656 

Radio receiver for carrier aggregation


A radio receiver circuit (10) configurable to operate in a carrier-aggregation, ca, mode and in a non-ca mode is disclosed. It comprises a first receive path (30) arranged to be operatively connected to an antenna (15) and a second receive path (40) arranged to be operatively connected to the same antenna (15).
Telefonaktiebolaget L M Ericsson (publ)


03/10/16
20160072612 

Method and performing harq processes in carrier aggregation systems


The present invention relates to a method for managing a soft buffer for the hybrid automatic repeat request (harq) of a terminal to which a plurality of cells are set in a wireless communication system, and to an apparatus using the method. Through the method, information is received about the maximum number of cells capable of being simultaneously scheduled from among a plurality of cells, and the size of the soft buffer is determined for storing transmission blocks or code blocks of each cell on the basis of the information..

03/10/16
20160072512 

Increased synthesizer performance in carrier aggregation/multiple-input, multiple-output systems


Certain aspects of the present disclosure provide methods and apparatus for using multiple voltage-controlled oscillators (vcos) to increase frequency synthesizer performance, such as in stringent multiple-input, multiple-output (mimo) modes. One example apparatus capable of generating oscillating signals generally includes a first vco, a second vco, and connection circuitry configured to connect the second vco in parallel with the first vco if a phase-locked loop (pll) associated with the second vco is idle..
Qualcomm Incorporated


03/03/16
20160066364 

Methods, apparatus and systems for performing multi-radio access technology carrier aggregation


A method of managing carrier aggregation for a multi-radio access technology (rat) wireless transmitter/receiver unit (wtru) is disclosed. The method may include: receiving, by the wrtu over a primary channel associated with a rat of a first type, provisioning information for provisioning a supplementary channel associated with a rat of a second type; establishing the supplementary channel associated with the rat of the second type based on the received provisioning information; and wirelessly exchanging, by the wrtu, first data associated with a communication over the primary channel via the rat of the first type, while wireless exchanging second data associated with the communication over the supplementary channel via the rat of the second type..
Interdigital Patent Holdings, Inc


03/03/16
20160066322 

Td lte secondary component carrier in unlicensed bands


A method is provided for communication in a wireless telecommunication system. The method comprises adaptively designating, by a network element following a frame-based communication protocol, for use as a secondary component carrier in a carrier aggregation scheme, at least a portion of radio resources on an unlicensed band..
Blackberry Limited


03/03/16
20160065349 

Transmission of harq control information from a user equipment for downlink carrier aggregation


Methods and apparatuses are provided for a user equipment (ue) to transmit at least two hybrid automatic repeat request-acknowledgement (harq-ack) bits. At least one transport block is received on each of at least two configured cells.
Samsung Electronics Co., Ltd


03/03/16
20160065264 

Low noise amplifier and carrier aggregation and non-carrier aggregation


A low noise amplifier for carrier aggregation and non-carrier aggregation is provided. The low noise amplifier includes a plurality of symmetrical half circuits, a plurality of bias circuits, where each of the plurality of bias circuits is connected to one of the plurality of symmetrical half circuits, a plurality of capacitors, where each of the plurality of capacitors is connected to one of the plurality of symmetrical half circuits for alternating current (ac) coupling an rf signal containing at least one component carrier, and a control logic circuit connected to each of the plurality of symmetrical half circuits for configuring the low noise amplifier to process one component carrier or a plurality of component carriers..
Samsung Electronics Co., Ltd.


03/03/16
20160065255 

Domino circuit and related architectures and methods for carrier aggregation


Domino circuit and related architectures and methods for carrier aggregation. In some embodiments, a domino circuit can include first and second signal paths for respective first and second frequency bands, and each signal path can be configured to present an approximately zero impedance to a signal in the other frequency band.
Skyworks Solutions, Inc.


03/03/16
20160065254 

Rf transmitter supporting carrier aggregation and envelope tracking


Exemplary embodiments of the present invention relate to an rf transmitter supporting carrier aggregation and envelope tracking and an rf transmitter according to an embodiment of the present invention comprises an rf path configured to convert a carrier aggregation signal in which a plurality of component carriers belonging to a baseband are aggregated into an rf signal; an et path configured to generate an envelope signal by calculating magnitudes of the plurality of component carriers, respectively, and adding the calculated each magnitude of the component carriers; and an amplifier configured to power-amplify the converted rf signal according to a bias voltage corresponding to the generated envelope signal. According to exemplary embodiments of the present invention, power amplification efficiency and data transmission efficiency are improved by applying carrier aggregation and envelope tracking..
Electronics And Telecommunications Research Institute


02/25/16
20160057800 

Method and system for random access procedure and radio link failure in inter-enb carrier aggregation


A method and system for configuring a user equipment (ue) for dual connectivity mode of operation when the ue is carrier aggregated with one or more serving frequencies served by a master enb (menb) and one or more serving frequencies served by the secondary enb (senb). The method allows the ue to autonomously initiate the random access procedure on a scell of the senb after adding or replacing scell of the senb.
Samsung Electronics Co., Ltd.


02/25/16
20160057786 

Random access in networks with carrier aggregation


A wireless device receives a control command initiating a random access process for a secondary cell. The wireless device transmits a random access preamble on random access resources of the secondary cell.
Ofinno Technologies, Llc


02/25/16
20160057772 

System and supporting inter-band carrier aggregation with different ul/dl tdd configurations


In some implementations, a method of wireless communications between a wireless communications network and wireless user equipment includes receiving, using a primary time division duplex (tdd) configuration, data on a primary component carrier in a first frequency band. Using a secondary tdd configuration, data on a secondary component carrier is received in a second frequency band different from the first frequency band.
Blackberry Limited


02/25/16
20160057750 

Method and transmitting channel quality control information using pucch format 3 in a wireless access system


A method of transmitting uplink control information (uci) in a wireless access system supporting carrier aggregation. A user equipment (ue) receives two or more physical downlink shared channels (pdschs) via two or more downlink component carriers, respectively.
Lg Electronics Inc.


02/25/16
20160057745 

Mobile station apparatus, base station apparatus, management method in a mobile station apparatus, processing section and communication system


A communication system includes a terminal apparatus and a base station apparatus. The terminal apparatus communicates with a base station apparatus by carrier aggregation using a plurality of serving cells, where each of the plurality of serving cells has a different frequency.
Sharp Kabushiki Kaisha


02/18/16
20160050690 

Carrier aggregation using shared spectrum


A method for performing carrier aggregation (ca) using spectrum shared between an incumbent user and a telecommunications network includes establishing a primary cell (pcell) for the secondary user in a portion of radio spectrum that is exclusively licensed to the telecommunications network, establishing a secondary cell (scell) for the telecommunications network in a portion of the shared spectrum that is shared with the incumbent user, receiving schedule data for the incumbent user at a controller in communication with the incumbent user and a transmitter for the pcell and the scell, scheduling transmissions for the pcell and the scell to avoid interference to the incumbent user, and transmitting the scheduled transmissions through the pcell and the scell using carrier aggregation (ca). Accordingly, one or more scell in shared spectrum may be aggregated with a pcell in dedicated spectrum..
Spectrum Effect Inc.


02/18/16
20160050665 

Radio-frequency front-end architecture for carrier aggregation of cellular bands


Circuits and methods related to radio-frequency (rf) architectures having carrier aggregation. In some implementations, a carrier aggregation (ca) architecture can include a duplexer configured to provide duplexing functionality for a first frequency band and a second frequency band with a common antenna.
Skyworks Solutions, Inc.


02/18/16
20160050652 

Secondary cell preparation for inter-site carrier aggregation


According to embodiments of the invention, an apparatus is provided which includes a connection unit configured to send and/or receive data to and/or from a secondary network control node, a processor configured to establish a configuration preparation message for the secondary network control node for preparing a carrier aggregation in which data to a user equipment is transmitted by at least two component carriers, and in which at least one first component carrier is provided between the apparatus and the user equipment and at least one second component carrier is provided between the secondary network control node and the user equipment, wherein the configuration preparation message includes configuration preparation information for the carrier aggregation, and the connection unit is configured to send the configuration preparation message to the secondary network control node.. .

02/18/16
20160050632 

Power control for simultaneous transmission of ack/nack and channel-state information in carrier aggregation systems


Channel-state information and hybrid-arq ack/nack information for multiple carriers are simultaneously transmitted using a pucch format 3 structure, where the hybrid-arq ack/nack bits and csi bits are separately encoded and interleaved. In an example method, a power control offset parameter is calculated as a linear combination of at least a number n, representing a number of channel-state information bits and a number m, representing a number of hybrid-arq ack/nack bits.
Telefonaktiebolaget L M Ericsson (publ)


02/18/16
20160050594 

Method, apparatus and system for cell handover in communication system supporting carrier aggregation


A method, apparatus and system for cell handover in the communication system supporting carrier aggregation (ca). The method includes: after receiving a performance measurement report for one or more neighboring cells from the served terminal, according to the performance measurement report, and basing on the ca mode for one or more candidate bss corresponding to the one or more neighboring cells, a source base station (bs) in a communications system selects an algorithm suitable for the ca mode to calculate the priority levels of the one or more candidate bss; from the one or more candidate bss, selecting the bs having the highest priority as a target bs; and selecting one more cells to access from all cells being subject to the target bs in the one or more neighboring cells..
Sony Corporation


02/18/16
20160050534 

Method for measuring location of user equipment in wireless access system and apparatus therefor


The present invention relates to a method for measuring a location of a user equipment in a wireless access system for supporting carrier aggregation/multiple cells and an apparatus therefor. Specifically, the method comprises the steps of: enabling the user equipment to receive information on positioning reference signal (prs) transmission bandwidths of a reference cell and a neighboring cell, enabling the user equipment to reconfigure an operating channel bandwidth of a radio frequency (rf) unit when one of the prs transmission bandwidth of the reference cell and the prs transmission bandwidth of the neighboring cell belongs to an inactive secondary cell, enabling the user equipment to receive the prs from the reference cell and the neighboring cell, and enabling the user equipment to measure a reference signal time difference (rstd) by using the prs of the reference cell and the prs of the neighboring cell..
Lg Electronics Inc.


02/18/16
20160050098 

Apparatus and circuit for processing carrier aggregation


A circuit for processing carrier aggregation (ca) is provided. The circuit includes a plurality of component carrier (cc) processors, each cc processor configured to estimate a frequency offset for a related cc and to compensate the estimated frequency offset, a reference clock generator configured to generate a reference clock using a reference frequency offset as one of frequency offsets output from the plurality of cc processors, a plurality of reception phase lock loop (pll) units, each reception pll unit configured to generate a reception carrier frequency for the related cc corresponding to the reference clock, and a plurality of transmission pll units, each transmission pll unit configured to generate a transmission carrier frequency for the related cc corresponding to the reference clock..
Samsung Electronics Co., Ltd.


02/18/16
20160049986 

Device for transmitting and receiving carrier aggregation signal


Disclosed is a signal transmit and receive device capable of receiving and processing both a carrier-aggregated (ca) receive signal and a non-ca receive signal, and transmitting both a ca transmit signal and a non-ca transmit signal, through a common antenna. The ca receive signal and the non-ca receive signal may be amplified by receiving circuits having differing receiver sensitivities to optimize performance.
Samsung Electronics Co., Ltd.


02/11/16
20160044701 

Enhanced mechanism of scheduling request to multiple schedulers in a wireless netwok with inter base station carrier aggregation


Apparatus and method are provided to enhance scheduling request to multiple schedulers with inter base station carrier aggregation. In one novel aspect, the ue monitors and detects one or more sr triggering event.
Mediatek Singapore Pte. Ltd.


02/11/16
20160044655 

Method for controlling transmission of uplink control information on plurality of serving cells, and apparatus therefor


The present disclosure relates a method and apparatus for transmitting uplink control information on a plurality of serving cells for supporting carrier aggregation technology between base stations. The method of a user equipment may include comparing a number k of uplink control informations (ucis) to be simultaneously transmitted and a number m of ucis available for simultaneous transmission and selecting m ucis from ucis to be simultaneously transmitted when the number k is greater than the number m and transmitting, to a base station (bs), the selected m ucis through a physical uplink control channel (pucch) of each serving cell.
Kt Corporation


02/11/16
20160044638 

Dci transmission under cross-band carrier aggregation


The present application relates to the field of communications, and disclosed are a dci transmission method and device under cross-band carrier aggregation. The method is: for lte-a ue which aggregates carriers having different tdd uplink/downlink configurations, according to a pre-arranged rule or high-layer signaling configuration information, determining whether a dai and a ul index are contained in a dci format which is used by a pdcch for scheduling a pusch, and determining a css and a uss respectively and separately.
China Academy Of Telecommunications Technology


02/11/16
20160044611 

Method for contolling uplink transmit power in inter-base station carrier aggregation, base station, and device


Embodiments provide a method for controlling an uplink transmit power in inter-base station carrier aggregation. The method includes acquiring, by a first base station, a maximum uplink transmit power that is allocated by user equipment (ue) to the first base station, and configuring, by the first base station, an uplink transmit power for the ue according to the maximum uplink transmit power.
Huawei Technologies Co., Ltd.


02/11/16
20160043753 

Using lte-a transmitters and carrier aggregation in borehole communication


In a method, an apparatus and a system for data transmission, a plurality of transmitters are provided, which operate according to a communications standard for data transmission with a bandwidth that is higher than the transmission bandwidth. The transmitter is adapted to the transmission bandwidth, and the plurality of the adapted transmitters are allocated to different carrier frequencies in the transmission bandwidth for parallel data transmission..
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.


02/04/16
20160037562 

Method and performing random access in a mobile communication system


The present disclosure relates to a method and apparatus for performing random access in a user equipment for a small cell e-nb with a small cell service area in heterogeneous e-nb cell carrier integration (dual connectivity or inter-enb carrier aggregation) in mobile communication systems. In accordance with an aspect of the present disclosure, a method for performing random access in a mobile communication system is provided.
Samsung Electronics Co., Ltd.


02/04/16
20160037496 

System and sharing a control channel for carrier aggregation


A method for processing a control channel at a user agent (ua) to identify at least one of an uplink and a downlink resource allocated by a resource grant within a multi-carrier communication system wherein resource grants are specified by control channel element (cce) subset candidates wherein the carriers used for data transmission and reception are configured carriers, the method comprising the steps of receiving activation signals specifying active and deactivated carriers from among the configured carriers, for active carriers (i) identifying a number of cce subset candidates to decode and (ii) decoding up to the identified number of cce subset candidates in an attempt to identify the resource grant; and for deactivated carriers, ignoring cce subset candidates associated with the deactivated carriers.. .
Blackberry Limited


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
20160037395 

Method and change of primary cell during carrier aggregation


Methods for performing change of primary cell during carrier aggregation operation are described. A mobile station (ms) receives a message to change a primary cell and to perform a random access communication with a new primary cell.
Google Technology Holdings Llc


02/04/16
20160037359 

Antenna architecture and operational rf test connector reduction


A method and system configures a wireless communication device to support various radio frequency test modes. A controller determines whether an rf test cable is connected between test equipment and a test connector while a corresponding transceiver(s) is operating.
Google Technology Holdings Llc


02/04/16
20160036469 

Systems/methods of carrier aggregation


Various embodiments of carrier aggregation are provided that increase communications capacity and throughput. According to some embodiments, a transmitter is configured with a plurality of transmitter chains and, responsive to an aggregate bandwidth and/or frequency content of an overall signal that is to be transmitted by the transmitter, the overall signal is segmented into a plurality of components, each one of which comprises a bandwidth that is smaller than the bandwidth of the overall signal, and is thus transmitted by the plurality of transmitter chains of the transmitter.
Odyssey Wireless, Inc.


01/28/16
20160029427 

Communication method, and terminal


Embodiments of the present disclosure disclose a data retransmission communication method and a terminal for implementing inter-base station carrier aggregation, where the method includes: receiving, by a first radio link control (rlc) entity of a terminal, a packet data unit pdu; and when the first rlc entity determines that the pdu reaches a maximum quantity of retransmissions, instructing, by the first rlc entity, a second rlc entity of the terminal to transmit the pdu, where the first rlc entity is corresponding to a first base station, and the second rlc entity is corresponding to a second base station. By using the method and the terminal in the embodiments, frequency of rrc connection re-establishment is reduced, and a data packet loss caused by frequent re-establishment is further avoided, thereby improving user experience..
Huawei Technologies Co., Ltd.


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
20160029233 

Evaluation of throughput of aggregated connections


There are provided measures for evaluation of throughput of carrier aggregated user equipments. Such measures exemplarily include determining, per communication endpoint implementing carrier aggregation aggregating one primary connection and at least one secondary connection, a transmission volume with at least one activated secondary connection, determining, per communication endpoint implementing carrier aggregation aggregating one primary connection and at least one secondary connection, a time with transmission data in a transmission buffer and at least one activated secondary connection, and obtaining, per communication endpoint, a transmission throughput with at least one activated secondary connection, based on said transmission volume and said time..
Nokia Solutions And Networks Oy


01/21/16
20160021630 

Method and applying a time alignment timer in a wireless communication system using a carrier aggregation technique


The present invention involves defining the operation of a terminal for determining which time alignment timer is to be applied to a certain condition when specific time alignment timers operate for each carrier-wave group in the event a wireless communication system uses a carrier aggregation technique. According to the present invention, a terminal may perform communication without malfunctions using a time alignment timer suitable for a certain condition.
Samsung Electronics Co., Ltd.


01/21/16
20160021629 

Method and applying a time alignment timer in a wireless communication system using a carrier aggregation technique


The present invention involves defining the operation of a terminal for determining which time alignment timer is to be applied to a certain condition when specific time alignment timers operate for each carrier-wave group in the event a wireless communication system uses a carrier aggregation technique. According to the present invention, a terminal may perform communication without malfunctions using a time alignment timer suitable for a certain condition.
Samsung Electronics Co., Ltd.


01/21/16
20160021628 

Method and applying a time alignment timer in a wireless communication system using a carrier aggregation technique


The present invention involves defining the operation of a terminal for determining which time alignment timer is to be applied to a certain condition when specific time alignment timers operate for each carrier-wave group in the event a wireless communication system uses a carrier aggregation technique. According to the present invention, a terminal may perform communication without malfunctions using a time alignment timer suitable for a certain condition.
Samsung Electronics Co., Ltd.


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


01/21/16
20160021558 

Method and activating carriers in mobile communication system


A method and apparatus for measurement by a terminal and a base station in a wireless communication system supporting carrier aggregation are provided. The method for measurement by the terminal includes receiving, from a base station, a measurement interval for a secondary cell in a deactivated state, acquiring a measurement period based on the measurement interval, and measuring a signal of the secondary cell in the deactivated state, based on the measurement period.
Samsung Electronics Co., Ltd.


01/14/16
20160014755 

Method of channel management for multiple component carrier in mobile communication system


Disclosed are channel management methods in a multicarrier structure in a mobile communication system. Uplink (ul) and downlink (dl) channel management methods in a carrier aggregation environment are used as the channel management methods.
Electronics And Telecommunications Research Institute


01/14/16
20160014734 

Method and apparatus of activating/deactivating secondary carriers in mobile communication system using carrier aggregation


A method for activating/deactivating secondary carriers of a user equipment (ue) in a mobile communication system supporting carrier aggregation is provided. The method comprises, receiving a control message including an activation/deactivation control element (ce) in a first sub-frame from a base station, identifying an activation command or a deactivation command of at least one secondary carrier based on the control message, determining whether a current sub-frame is a second sub-frame or not, performing at least one first operation for the at least one secondary carrier in a second sub-frame, and performing, when the activation/deactivation ce indicates deactivation of the at least one secondary carrier, at least one second operation for the at least one secondary carrier no later than the second sub-frame..
Samsung Electronics Co., Ltd.


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.




Carrier Aggregation topics: Carrier Aggregation, Base Station, Sounding Reference Signal, Relay Node, Scheduling, Channel Status, Carrier Frequency, Communication System, Automatic Repeat Request, Transmitter, Extension Carrier, Downlink Control Information, Radio Resource Control, Heterogeneous, Heterogeneous Network

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