Patent application number | Description | Published |
20110292851 | Method and System for Discontinuous Reception Operation for Long Term Evolution Advanced Carrier Aggregation - A method for discontinuous reception operation for carrier aggregation comprising: receiving a first set of discontinuous reception parameters for a first carrier and a different set of discontinuous reception parameters for a second carrier; and configuring discontinuous reception parameters on the first carrier and second carrier. | 12-01-2011 |
20110294491 | Method and System for Discontinuous Reception Operation for Long Term Evolution Advanced Carrier Aggregation - A method for discontinuous reception operation for carrier aggregation comprising: receiving a first set of discontinuous reception parameters for a first carrier and a limited or different set of discontinuous reception parameters for a second carrier; and configuring discontinuous reception parameters on the first carrier and second carrier. | 12-01-2011 |
20110310986 | System and Method for Uplink Control Information Transmission in Carrier Aggregation - A method for communicating uplink control information to a base station using a user equipment is presented. The method includes identifying component carriers on the user equipment scheduled for Physical Uplink Shared CHannel (PUSCH) transmissions, and identifying at least one first ranking for each of the component carriers for transmission of uplink control information. Each first ranking is at least partially determined by whether the component carrier is configured for delay-sensitive transmissions. The method includes using the at least one first ranking to select a first component carrier for transmission of uplink control information, and encoding uplink control information into the first component carrier for transmission to the base station. | 12-22-2011 |
20120076077 | Efficient Signaling of Discontinuous Transmission - Methods and devices are disclosed for efficient signaling of discontinuous transmission in a wireless communication system. In various aspects of the disclosure, a user equipment device monitors transmissions on a plurality of physical downlink control channels (PDCCHs) and, in response to said transmissions, generates an acknowledge/negative acknowledge (ACK/NACK) signal comprising a plurality of bits, wherein the plurality of bits includes a discontinuous transmission (DTX) indicator bit. In some embodiments, the indicator bit corresponds to an even or odd number of PDCCHs successfully decoded. In other embodiments, the indicator bit corresponds to an odd or even number of component carriers comprising “TRUE” NACKs. | 03-29-2012 |
20120082263 | Orthogonal Resource Selection Transmit Diversity - Methods are disclosed for transmitting a plurality of information bits using resource selection on multiple antennas. In one or more embodiments, the methods include: selecting a first and a second orthogonal resource from an allocation of more than two orthogonal resources according to the state of the plurality of information bits; transmitting a first symbol in a first symbol instant on a first antenna using the first orthogonal resource; and transmitting a second symbol in the first symbol instant on a second antenna using the second orthogonal resource. In some embodiments, the first and second orthogonal resources are different and the first symbol is either a reference symbol or a modulation symbol. | 04-05-2012 |
20120083284 | Orthogonal Resource Selection Transmit Diversity and Resource Assignment - Methods of allocating orthogonal resources of a wireless communication network to a user equipment (UE) that uses transmit diversity are disclosed. In one or more embodiments, the UE is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna. The method includes: selecting, by the UE, a first and a second orthogonal resource, respectively, from a plurality of orthogonal resources according to the state of information bits to be communicated by the UE; and transmitting, by the UE, the reference and data symbols on the first and the second orthogonal resource, respectively, on one antenna. The first and the second resource are different for at least one of the states of the information bits. The first and the second resource are both in the same physical resource block. | 04-05-2012 |
20120213167 | Method and System for Signaling Transmission Layers for Single User and Multi User MIMO - A method and system to signal transmission layers or dedicated reference signal ports to be used in a multiple input multiple output system, the method including providing a downlink control signal containing information for transmission layers or dedicated reference signal ports utilized, the dedicated reference signal ports being associated with the transmission layers; and using the information to demodulate data on each transmission layer. | 08-23-2012 |
20130003604 | Method and Apparatus for Enhancing Downlink Control Information Transmission - A method is provided for transmitting an extended physical downlink control channel (E-PDCCH). The method comprises transmitting control information in at least one time-frequency resource unit that would otherwise be used to carry a physical downlink shared channel (PDSCH). The E-PDCCH and at least one PDSCH are multiplexed in a transmission time interval. A first set of configuration of the E-PDCCH is semi-statically signaled and a second set of configuration of the E-PDCCH is dynamically signaled. | 01-03-2013 |
20130003663 | Transmit Downlink Control Information With Higher Order Modulation - A method is provided for applying HOM to a PDCCH to transmit control information from an access node to a UE. The method comprises: selecting a DCI format for a HOM PDCCH; determining a DCI block of the HOM PDCCH according to the selected DCI format; generating a sequence of coded bits to be transmitted from the DCI block; multiplexing the sequence of coded bits of the HOM PDCCH with coded bits of other PDCCHs to form a sequence of multiplexed bits; scrambling the sequence of multiplexed bits to form a sequence of scrambled bits; modulating the scrambled bits to form a sequence of modulation symbols; and transmitting the sequence of modulation symbols, where a PDCCH is transmitted on an aggregation of one or more CCEs. | 01-03-2013 |
20130010709 | Downlink Control Information Set Switching When Using Carrier Aggregation - A method and apparatus for reconfiguring a user equipment configured for multi-carrier operation from a first downlink control information set to a second downlink control information set while carrier aggregation is being used, including receiving a physical downlink control channel with downlink control information formats containing a carrier indicator field. | 01-10-2013 |
20130016655 | Reducing Blind Decodings for Communications Using Carrier Aggregation - A method and apparatus for transmitting downlink control information when carrier aggregation is being used, by determining at least one downlink control information (DCI) format for a first carrier and at least once DCI format for a second carrier; and including padding in at least one DCI format corresponding to the second carrier such that the DCI format size of the padded DCI format equals the DCI format size of a DCI format corresponding to the first carrier. | 01-17-2013 |
20130028180 | Method and system for access and uplink power control for a wireless system having multiple transmit points - A method and system for access and uplink power control for a wireless system having multiple transmit points. In one aspect a method operating in a wireless network having a plurality of transmission points (TP) including a macro evolved Node B (eNB) and at least one low power node (LPN) having transmit power lower than that of the macro eNB, the method detecting, by the user equipment, a transmission point having a lowest path loss to the user equipment; and transmitting, by the user equipment, a physical random access channel (PRACH) preamble on a PRACH directed to the transmission points having the lowest path losses. | 01-31-2013 |
20130029657 | Method and System for Access and Uplink Power Control for a Wireless System Having Multiple Transmit Points - A method and system for access and uplink power control for a wireless system having multiple transmit points. In one aspect, a method at a user equipment operating in a wireless network having a plurality of transmission points including a macro evolved Node B (‘eNB’) and at least one low power node (‘LPN’) having transmit power lower than that of the macro eNB, the method finding, at the user equipment, at least one reference transmission point, the finding utilizing at least one of a calculation at the user equipment and a message from a network element; and performing, by the user equipment, uplink power control based on the at least one reference transmission. | 01-31-2013 |
20130029704 | Enhanced In-Device Coexistence Interference Avoidance Using Predetermined Downlink Channel - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by allocating a non-interfering downlink signaling channel for downlink reception of interference avoidance instructions at the UE device. In operation, a user equipment device detects IDC interference and sends an IDC indication message to the radio network to get an appropriate solution, but instead of waiting at the current frequency to receive the IDC response from the radio network, the user equipment device moves to a non-interfering downlink signaling channel for downlink reception of interference avoidance instructions. | 01-31-2013 |
20130039268 | Method and System for Signaling in a Heterogeneous Network - A method at a network element operating in a wireless network, wherein the network element is configured to transmit a default cell search signal at a default position in one or more subframes, the method comprising transmitting, by the network element, an auxiliary cell search signal in addition to the default cell search signal. | 02-14-2013 |
20130083737 | Handling Physical Uplink Shared Channel Transmissions - Systems, apparatus and methods can be implemented for handling physical uplink shared channel (PUSCH) transmissions. A user equipment (UE) can decode, on a physical hybrid automatic repeat request (HARQ) indicator channel (PHICH), a negative acknowledgement (NACK) associated with an HARQ process. The UE can also receive, from a base station, an uplink grant without an associated transport block. The decoded NACK and the received uplink grant can trigger a respective transmission during a PUSCH transmission opportunity. The UE can then perform, during the PUSCH transmission opportunity, one of transmission of a PUSCH transmission associated with the HARQ process, transmission of control information based on the received uplink grant, or disregarding the decoded NACK and the received uplink grant. | 04-04-2013 |
20130121264 | METHOD AND APPARATUS FOR POWER SHARING CARRIER SET FOR CARRIER AGGREGATION - A method and apparatus for configuring a power sharing carrier set on a user equipment having multiple component carriers, the method receiving an indication from a network that carrier configuration information is supported in a cell of the network; providing at least one of capability information regarding carriers and bands supported by the user equipment and power sharing information the user equipment is capable of supporting; and obtaining configuration information for power sharing carrier sets. Furthermore, a network element for to providing a power sharing carrier set configuration, the network element configured to: send an indication from a network that carrier configuration information is supported in a cell of the network; receive at least one of capability information regarding carriers and bands supported by a user equipment and power sharing information the user equipment is capable of supporting; and provide configuration information for power sharing carrier sets. | 05-16-2013 |
20140192842 | TRANSMISSION OF INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna. | 07-10-2014 |
20140254521 | System and Method for Multi-Carrier Network Operation - A system and method for configuring a component carrier is presented. A component carrier assignment message is received. The component carrier assignment message may be configured to identify the component carrier and include at least one of, at least one of a downlink carrier frequency, a carrier frequency of a paired uplink carrier, a bandwidth of the component carrier, and a bandwidth of the paired uplink carrier, an indication of whether the component carrier is a control channel monitoring component carrier configured to signal data channel assignment information for the component carrier, and a logical index of the component carrier. The component carrier assignment message may then be used to configure the component carrier on a user equipment (UE). | 09-11-2014 |
20140269585 | Downlink Control Information Set Switching When Using Carrier Aggregation - A method and apparatus for reconfiguring a user equipment configured for multi-carrier operation from a first downlink control information set to a second downlink control information set while carrier aggregation is being used, including receiving a physical downlink control channel with downlink control information formats containing a carrier indicator field. | 09-18-2014 |
20140287771 | Method and Apparatus for Avoiding In-Device Coexistence Interference with Preferred Frequency Notification - A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by providing preferred frequency solutions for the in-device coexistence system. | 09-25-2014 |
20140376490 | System and Method for 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. | 12-25-2014 |
20150016390 | METHOD AND SYSTEM FOR HYBRID AUTOMATIC REPEAT REQUEST OPERATION FOR UPLINK COORDINATED MULTI-POINT SIGNALING - A method and system for hybrid automatic repeat request operation for uplink coordinated multi-point signaling, the method in one embodiment sending a data packet from a user equipment to a plurality of network elements; waiting for a control indication from at least one of the plurality of network element; and retransmitting the data packet to the plurality of network elements if the control indication specifies retransmission is required. | 01-15-2015 |