摘要:
Received data packets are channel-encoded prior to fragmentation so that large data packets, which would not otherwise fit within the available frame resources, are transmitted by fragmenting the channel-encoded physical layer packet. Hybrid Automatic Repeat Request (H-ARQ) is then utilized to ensure reliability.
摘要:
A base station (101) will request the transmission of quality information from a particular remote stations (102, 103) only when data is queued to be transmitted to the remote stations. Once a remote station begins the transmission of channel quality information, the transmission of such information continues until the data transmission is successfully delivered to the remote station. The base station receives the channel quality information and adjusts the modulation and coding of the remote stations accordingly. Where data is transmitted simultaneously to a plurality of remote stations, a set of queues (303) for the multiple remote stations is maintained, and based on queue status, a channel quality request messages is sent to a sub-set of remote stations with data queued.
摘要:
A method for assigning resources to FS and FNS users, for example, in an OFDM wireless communication system, including assigning a first frequency resource to at least one FS user during a time interval, wherein the first frequency resource includes at least two near contiguous sub-carriers, and assigning a second frequency resource to at least one FNS user during the same time interval, the second frequency resource includes for each FNS user at least two non-contiguous sub-carriers, wherein the first and second frequency resources are part of a common frequency channel.
摘要:
Communications sourced by a remote unit (14) that is already within reception range of a base site (10) can nevertheless be further facilitated through allocation of one or more relay resources (15, 16). Such relay resources, properly employed, then serve to effectively increase the quality of service for the facilitated communication. This, in turn, can permit the use of, for example, increased data rates for communications from a relatively low power remote unit.
摘要:
A method and apparatus for control channel transmission and reception is provided herein. In particular, the use of a partitioned and structured control channel is provided that leverages the benefits of common control while maintaining favorable aspects of dedicated control. During operation, control information is distributed over a number of partitions (201). Each Pi is encoded (607) with monotonically non-increasing reliability level. Control information for a given remote unit can be distributed on one or several partitions, from P1 to Pk, where Pk is encoded with the lowest reliability level that can be decodable by the remote unit at an acceptable error rate.
摘要:
A method for providing a low-feedback scheme for link-quality reporting based on the EESM technique is provided herein. During operation, a node will analyze the current channel conditions and determine a non-linear approximation of the carrier to interference plus noise ratio (CINR). The non-linear approximation is sent to a communication unit as a channel-selectivity report, causing the communication unit to utilize the report to assist with modulation and coding selection.
摘要:
Communications sourced by a remote unit (14) that is already within reception range of a base site (10) can nevertheless be further facilitated through allocation of one or more relay resources (15, 16). Such relay resources, properly employed, then serve to effectively increase the quality of service for the facilitated communication. This, in turn, can permit the use of, for example, increased data rates for communications from a relatively low power remote unit.
摘要:
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.
摘要:
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.
摘要:
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.