Patent application number | Description | Published |
20100195614 | Method and Apparatus for Transport Block Signaling in a Wireless Communication System - A method and apparatus for generating a single statically defined downlink reference MCS table consisting of transport block sizes (TBSs) computed for 29 MCSs for each of j PRBs where j=1, . . . , N | 08-05-2010 |
20100254301 | System and Method for Assigning Backhaul Resources - A system and method for assigning backhaul resources is provided. A method for wireless relay network communications includes determining performance information regarding a plurality of relay nodes, allocating resource blocks in a subframe to relay nodes based on the information, and notifying relay nodes of the allocated RBs using a signaling message. | 10-07-2010 |
20110080865 | System and Method for Relaying Transmissions in Wireless Communications - A system and method for relaying transmissions in wireless communications is provided. A method for combined relay node operation includes determining an operating mode of the combined relay node, where the combined relay node includes a repeater and a relay. The method also includes if the operating mode is repeater on mode, amplifying and forwarding received signals, and storing subframes, where subframes are demodulated and decoded versions of the received signals. The method further includes if the operating mode is repeater off mode, amplifying and forwarding a control zone of signals received while the operating mode is repeater off mode, and transmitting subframes stored while the operating mode is repeater on mode. | 04-07-2011 |
20110249640 | System and Method for Transmitting Control Information - A system and method for transmitting control information are provided. A method for communications controller operations includes combining control data for each relay node of at least one relay node into a control channel data stream, mapping a plurality of transmission resources for the control channel data stream into a plurality of physical resource blocks using a distributed virtual resource mapping rule, and transmitting the plurality of physical resource blocks to the set of at least one relay node. The plurality of transmission resources are mapped to physical resource blocks that are non-contiguous in a frequency domain. | 10-13-2011 |
20110268056 | System and Method for Allocating Network Resources for a Communications Link - A system and method for a system and method for allocating network resources for a communications link are provided. A method for communications controller operations includes allocating network resources to a communications link. The communications link includes an uplink (UL) part and a downlink (DL) part. The method also includes if a type of the allocated network resources is not equal in the DL part and the UL part, transmitting a first indication of the allocated network resources for one part of either the UL part or the DL part and a second indication of the allocated network resources for a remaining part of either the UL part or the DL part. The first indication and the second indication are based on an amount of network resources allocated. The method further includes if the type of the allocated network resources is equal in the DL part and the UL part, transmitting an indication of the allocated network resources for one part of either the UL part or the DL part. The indication is based on an amount of network resources allocated. | 11-03-2011 |
20110274076 | RESOURCE ALLOCATION METHOD, NETWORK DEVICE, AND WIRELESS SYSTEM - A resource allocation method, a network device and a wireless system are disclosed. The method includes: sorting Resource Blocks (RBs) used by a terminal of a first system and a terminal of a second system according to a use situation of the RBs used by the terminal of the first system and the terminal of the second system; and allocating the sorted RBs. When some RBs are available to a Long Term Evolution (LTE) terminal, coexistence of an LTE-Advanced (LTE-A) terminal and the LTE terminal is enabled, and compatibility between the LTE-A terminal and the LTE terminal is ensured. | 11-10-2011 |
20110317615 | System and Method for Adapting Code Rate - A system and method for adapting code rate are provided. A method for a first communication device to transmit a resource assignment to at least one communication device includes assigning at least one transmission resource to transmit the resource assignment, adapting a code rate of an encoded payload based on the at least one transmission resource and a threshold, thereby producing an adapted payload, and transmitting the adapted payload. | 12-29-2011 |
20120120829 | System and Method for Communicating Over Multiple Communications Links - An embodiment method for operating a device in receiving a transmission over a plurality of communications links includes assigning an allocatable receiver resource to each communications link in the plurality of communications links according to a measure derived from communications link characteristics of each respective communications link and combined communications link characteristics of the plurality of communications links, and receiving the transmission over the plurality of communications links with the assigned allocatable receiver resource. | 05-17-2012 |
20120176939 | Reference Signal Transmission and Reception Method and Equipment - A communications system and a method for performing communications are provided. User Equipments (UEs) are provided with UE-specific configuration information, such as CSI-RS (Channel Status Indication-Reference Signal) patterns, antenna port groupings, reference signal configurations, subframe configurations, and/or scrambling codes. The UEs process the received reference signals in accordance with the received configuration information and feedback measurement information for, e.g., PMI/CQI/RI (Precoding Matrix Indicator/Channel Quality Indicator/Rank Indicator of the precoding matrix) and/or the RLM/RRM (Radio Link Monitor/Radio Resource Management). | 07-12-2012 |
20120250551 | System and Method for Transmission and Reception of Control Channels in a Communications System - A method for transmitting control information to a wireless node includes determining, by a communications controller, a region for the control information in a subframe as at least one of a data region and a control region of the subframe. The method also includes modulating, by the communications controller, the control information, and mapping, by the communications controller, the modulated control information onto resources of the subframe according to the determined region. The method further includes transmitting, by the communications controller, the subframe to the wireless node. | 10-04-2012 |
20120250641 | System and Method for Signaling a Location of a Control Channel - A method for transmitting control information to a wireless node in a communications system includes mapping, by a communications controller, the control information onto resources associated with a wireless node specific search space, the wireless node specific search space being located in a first data region of a first subframe, the first subframe including a first common search space in addition to the wireless node specific search space. The method also includes generating, by the communications controller, a location indicator identifying a location of the wireless node specific search space. The method further includes transmitting, by the communications controller, the first subframe to the wireless node, and transmitting, by the communications controller, the location indicator to the wireless node. | 10-04-2012 |
20120250642 | System and Method for Transmission and Reception of Control Channels - A method for transmitting control information to a wireless node includes determining, by a communications controller, a first resource assignment parameter according to a pseudo-random sequence derived from an identifier, and mapping, by the communications controller, using the first resource assignment parameter, a demodulation reference signal associated with the wireless node onto a first resource located in a data region of a subframe. The method also includes mapping, by the communications controller, modulated control information associated with the wireless node onto a second resource located in the data region of the subframe, and transmitting, by the communications controller, the subframe to the wireless node. | 10-04-2012 |
20120252447 | System and Method for Transmitting and Receiving Control Channels - A method for transmitting resource allocation information to a wireless node in a communications system includes selecting a search space from one of a first search space and a second search space, the first search space associated with a first set of control channel parameters and the second search space associated with a second set of control channel parameters. The method also includes modulating the first control information, and mapping the modulated first control information onto the selected search space in a first subframe, where at least one of modulating the first control information and mapping the modulated first control information is according to a selected set of control channel parameters associated with the selected search space. The method further includes transmitting the first subframe to the wireless node, and transmitting a first parameter indicator identifying the selected set of control channel parameters to the wireless node. | 10-04-2012 |
20130003668 | METHOD AND SYSTEM FOR TRANSMISSION AND RECEPTION OF SIGNALS AND RELATED METHOD OF SIGNALING - A base station (e.g., an evolved Node B) determines whether the physical broadcast channel (PBCH), reference signals (SCH) and common reference signals (CRS) are transmitted (or awaiting transmission) on a secondary component carrier (Scell) with the cell. The determination information is transmitted to a user equipment (UE) to inform the UE that the Scell transmissions do not include PBCH/SCH/CRS. As a result, the resource elements (REs) normally used to carry system information in the PBCH/SCH/CRS can be dynamically assigned (or reassigned) to the data channel. In this manner, the physical downlink shared channel (PBSCH) bandwidth can be increased by utilizing those resource elements that are normally reserved/assigned to the PBCH/SCH/CRS. | 01-03-2013 |
20130022003 | METHOD, APPARATUS AND SYSTEM FOR SIGNALING RESOURCE PARTITION - Signaling resource partition of a component carrier in a wireless communication system is disclosed. The number of primary resource blocks and the number of extension resource blocks of the component carrier is encoded and signaled to a UE, so the UE can obtain the resource partition of the component carrier. | 01-24-2013 |
20130044678 | System and Method for Reducing Interference - A system and method for reducing interference are provided. A method for communications controller operations in a multi-carrier system includes generating information for a broadcast channel, preparing the information for transmission, selecting a location for an unoccupied subcarrier from a plurality of available locations, and placing the prepared information into a plurality of contiguous subcarriers, where the plurality of contiguous subcarriers includes the unoccupied subcarrier and a plurality of other subcarriers. The method also includes transmitting the plurality of contiguous subcarriers. | 02-21-2013 |
20130114496 | System and Method for Interference Management in Cellular Networks - Notifying served user equipments (UEs) of the presence or absence of cell-specific reference signal (CRS) symbols transmitted by neighboring base stations in the physical downlink shared channel (PDSCH) region of a subframe can be achieved through various of signaling techniques. The served UE may be notified by communicating a one or multi-bit indicator in a physical layer signaling channel of the serving cell, such as the physical downlink control channel (PDCCH) of the subframe. Alternatively, the served UE may be notified through higher layer signaling. | 05-09-2013 |
20130194956 | System and Method for Common Control Channels in a Communications System - A method for operating a communications controller includes selecting a search space configuration out of a set of candidate search space configurations for a user equipment served by the communications controller, wherein the search space configuration specifies one or more search spaces to be monitored out of a set of search spaces, and signaling the selected search space configuration to the user equipment. | 08-01-2013 |
20130223352 | System and Method for Allocating Network Resources - A method for operating a user equipment (UE) in a UE group including at least two UEs includes receiving, from a communications controller, network resources information about an allocation of a first set of network resources to the UE group and a transmission indication, where the transmission indication indicates that the UE is selected to transmit in a second set of network resources that is a subset of the first set of network resources. The method further includes transmitting, to other UEs in the UE group utilizing a direct mobile communications (DMC) link associated with the communications controller, a first message including a control indicator in a first subset of the second set of network resources, the control indicator indicating scheduling information for a second subset of the second set of network resources. | 08-29-2013 |
20130223353 | System and Method for Time Resource Allocation for Device-to-Device Communication Overlaid on a Cellular Network - An embodiment of a system for operating a communications controller and a user equipment in a wireless communications system is provided. The communications controller is configured to allocate a first set of subframes to a group of UEs for a DMC link, allocate a second set of subframes to a particular UE in the group of UEs, transmit a first message including information about the first set of subframes to the group of UE, and transmit a second message including information about the second set of subframes to the particular UE. The second set of subframes is a subset of the first set of subframes, and information about the second set includes subframes in which the particular UE may transmit to other UEs in the group of UEs. Subframes in the first set not in the second set are allocated for reception by the particular UE. | 08-29-2013 |
20130225184 | System and Method for Hybrid Automatic Repeat Request Timing for Device-to-Device Communication Overlaid on a Cellular Network - An embodiment of a system for operating a communications controller for a group of user equipments engaged in a DMC link in a wireless communications system is provided. The communications controller is configured to allocate a set of subframes in one periodic group of subframes to the group of UEs for the DMC link, signal the set of allocated subframes to the group of UEs, and transmit parameters related to a group of HARQ processes of the DMC link. In an embodiment, the communication controller uses HARQ processes for cellular UE transmission that are determined independently from HARQ processes of the group of HARQ processes for the DMC link, and the parameters are configured to enable the group of UEs to manage the group of HARQ processes for the DMC link. | 08-29-2013 |
20130242904 | Systems and Methods for UE-Specific Search Space and ePDCCH Scrambling - Encoded control information can be mapped to an enhanced physical downlink control channel (ePDCCH) search space of a user equipment (UE) in accordance with an offset and aggregation level. The ePDCCH search space may include a physical resource block (PRB) set located in a data region of a downlink subframe. The encoded control information may be mapped into one or more enhanced control channel elements (eCCEs) of the ePDCCH search space beginning from a starting location. The starting location is an eCCE location within the PRB set. The PRB set, as well as the starting/eCCE location within the PRB set, are identified in accordance with an offset associated with the UE. A number of eCCEs carrying encoded information corresponds to an aggregation level. | 09-19-2013 |
20130259009 | System and Method for Transmitting a Reference Signal - In one embodiment, a method for transmitting a reference signal in a wireless communications system includes obtaining, by a base station, a radio frame and determining, by the base station, a first subset of subframes of the radio frame, where the first subset includes a first subframe of the radio frame, and where the first subframe includes a mandatory downlink signal. Also, the method includes transmitting the reference signal only in the determined first subset. | 10-03-2013 |
20130286862 | System and Method for Direct Mobile Communications Link Establishment - A method of establishing a direct mobile communications (DMC) link between a first user equipment (UE) and a second UE, where at least one of the first UE and the second UE is communicating on a first cellular link includes requesting that at least one of the first UE and the second UE participate in an evaluation procedure to determine a potential quality of a DMC link proposed between the first UE and the second UE. The method also includes receiving a report from at least one of the first UE and the second UE indicating the potential quality of the DMC link proposed between the first UE and the second UE according to the evaluation procedure. The method further includes establishing the DMC link between the first UE and the second UE if the potential quality of the DMC link exceeds a predetermined threshold. | 10-31-2013 |
20130315159 | System and Method for Delay Scheduling - In one embodiment, a method for delay scheduling includes determining whether a communications controller has information for a machine type communication (MTC) device and determining a first subframe to transmit a downlink control information (DCI) message on when the communications controller has information for the MTC device. The method also includes transmitting, by the communications controller to the MTC device, the first subframe including the DCI message and the information in accordance with the first subframe. | 11-28-2013 |
20140314010 | COMMUNICATION INTERCEPTION METHOD, BASE STATION, AND TERMINAL - A communication interception method by a base station, a device and a terminal belonging to device-to-device (D2D) communication includes: receiving a message sent by a device, where the message is used to instruct interception of D2D data of the terminal belonging to the D2D communication; obtaining the D2D data according to the message; and sending the obtained D2D data to the device. | 10-23-2014 |
20140335853 | System and Methods for Controlling Out-of-Network D2D Communications - Embodiments are provided herein for determining a synchronizing master for device-to-device (D2D) communication in a cellular network environment. In an embodiment, a user equipment (UE) receives a discovery signal comprising a timing reference, and determines a transmitter of the discovery signal. In accordance with the determination of the transmitter of the discovery signal, the UE performs one of synchronizing to the timing reference in the discovery signal and transmitting a second discovery signal. The UE performs the synchronizing to the timing reference if the transmitter of the discovery is a cellular network. Alternatively, the UE transmits the second discovery signal upon determining that the transmitter of the discovery signal is a second UE that is out of coverage of a cellular network. | 11-13-2014 |
20150063180 | WIRELESS COMMUNICATION METHOD SUPPORTING HARQ, USER EQUIPMENT, AND BASE STATION - The present invention provides a wireless communication method supporting hybrid automatic repeat request. The method includes: sending first hybrid automatic repeat request (HARQ) process quantity indication information to a user equipment UE; and if second HARQ process quantity indication information is further sent to the UE, determining a second HARQ process quantity according to the second HARQ process quantity indication information, and performing data transmission with the UE according to the determined second HARQ process quantity. Correspondingly, the present invention further provides a base station and the user equipment. In the present invention, the base station and the user equipment can perform data communication with the UE based on different HARQ timing relationships and HARQ process quantities, thereby being capable of better supporting UEs adopting different functional characteristics. | 03-05-2015 |
20150085743 | System and Method for Adapting Code Rate - A system and method for adapting code rate are provided. A method for a first communication device to transmit a resource assignment to at least one communication device includes assigning at least one transmission resource to transmit the resource assignment, adapting a code rate of an encoded payload based on the at least one transmission resource and a threshold, thereby producing an adapted payload, and transmitting the adapted payload. | 03-26-2015 |