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    • 61. 发明申请
    • METHOD AND APPARATUS FOR CONVEYING RESOURCE ASSIGNMENT FOR MULTIPLE SYSTEM BANDWIDTHS
    • 用于传输多系统带宽资源分配的方法和装置
    • US20110255485A1
    • 2011-10-20
    • US12904928
    • 2010-10-14
    • Wanshi ChenJuan Montojo
    • Wanshi ChenJuan Montojo
    • H04W72/04
    • H04W72/0453H04L5/0037H04L5/0094
    • Techniques for supporting communication with user equipment (UEs) of different types on a plurality of system bandwidths are described. UEs of each type may operate on one or more available system bandwidths. Resources assigned to a UE may be conveyed by a resource allocation field of a control message sent to the UE. The resource allocation field may have different configurations (e.g., different sizes and/or interpretations) for different system bandwidths. In one design, the resource allocation field and the control message sent to the UE have different sizes for the plurality of system bandwidths. A base station may determine the size of the resource allocation field based on a system bandwidth selected for the UE. In another design, the resource allocation field may have a same size but different interpretations (e.g., different resource mappings) for the plurality of system bandwidths.
    • 描述用于支持与多个系统带宽上的不同类型的用户设备(UE)的通信的技术。 每种类型的UE可以在一个或多个可用系统带宽上操作。 分配给UE的资源可以由发送给UE的控制消息的资源分配字段来传送。 对于不同的系统带宽,资源分配字段可以具有不同的配置(例如,不同的大小和/或解释)。 在一种设计中,向UE发送的资源分配字段和控制消息对于多个系统带宽具有不同的大小。 基站可以基于为UE选择的系统带宽来确定资源分配字段的大小。 在另一种设计中,资源分配字段可以具有相同的大小,但对于多个系统带宽可以具有不同的解释(例如,不同的资源映射)。
    • 62. 发明申请
    • DOWNLINK ASSOCIATION SET FOR UPLINK ACK/NACK IN TIME DIVISION DUPLEX SYSTEM
    • 下行链路协议设置,用于时分双工系统中的上行ACK / NACK
    • US20110255484A1
    • 2011-10-20
    • US12903593
    • 2010-10-13
    • Xiaoxia ZhangWanshi ChenJuan MontojoPeter Gaal
    • Xiaoxia ZhangWanshi ChenJuan MontojoPeter Gaal
    • H04W72/02
    • H04L5/0091H04L1/1607H04L5/001H04L5/0053H04L5/0055
    • In a Time Division Duplex (TDD) system, downlink and uplink communications share the same bandwidth but occupy different subframes. When the downlink has more subframes than the uplink, special treatment on user equipment (UE) ACK/NACK feedback is needed. One uplink may need to ACK multiple downlink subframes. A downlink association without unnecessary ACK/NACK resources sets accounts for subframes for which ACK feedback is not desired. Examples of such subframes include: a blank subframe; an almost blank subframe where only a cell specific Reference Signal (RS) is transmitted; a Time Division Multiplex (TDM) partition in which an evolved NodeB (eNB) only transmits a Physical Downlink Shared Channel (PDSCH) or a Physical Downlink Control Channel (PDCCH) indicating Semi-persistent scheduling (SPS) at certain downlink subframes; a Downlink Pilot Timeslot (DwPTS) with a certain special subframe configuration where an eNB does not send the PDSCH and the UE is not in SPS active mode in the DwPTS; and a Multi-Media Broadcast over a Single Frequency Network (MBSFN) subframe when the UE is not in SPS active mode in the MBSFN subframe.
    • 在时分双工(TDD)系统中,下行链路和上行链路通信共享相同的带宽,但占用不同的子帧。 当下行链路具有比上行链路更多的子帧时,需要对用户设备(UE)ACK / NACK反馈进行特殊处理。 一个上行链路可能需要ACK多个下行链路子帧。 没有不必要的ACK / NACK资源的下行链路关联集合对不希望ACK反馈的子帧进行计费。 这样的子帧的示例包括:空白子帧; 几乎空白的子帧,其中仅发送小区特定参考信号(RS); 时分复用(TDM)分区,其中演进的节点B(eNB)仅在某些下行链路子帧处发送指示半静态调度(SPS)的物理下行链路共享信道(PDSCH)或物理下行链路控制信道(PDCCH) 具有特定子帧配置的下行链路导频时隙(DwPTS),其中eNB不发送PDSCH,并且UE在DwPTS中不处于SPS活动模式; 以及当MBSFN子帧中的UE不处于SPS活动模式时,通过单频网络(MBSFN)子帧进行多媒体广播。
    • 64. 发明申请
    • METHOD AND APPARATUS FOR RELIABLE TRANSMISSION OF CONTROL INFORMATION IN A WIRELESS COMMUNICATION NETWORK
    • 在无线通信网络中可靠传输控制信息的方法和装置
    • US20110235584A1
    • 2011-09-29
    • US13071400
    • 2011-03-24
    • Wanshi ChenTao Luo
    • Wanshi ChenTao Luo
    • H04W28/00
    • H04L1/004H04L1/008
    • Techniques for reliably transmitting and receiving control information in a wireless network are described. A cell may typically send control information on a control channel and associated data (e.g., system information) on a data channel in the same subframe. This subframe may have strong interference from other cells. For cross-subframe signaling, the cell may transmit the control information in a first subframe and the associated data in a second subframe. The first subframe may be a usable subframe for the cell and may have less interference from other cells. A UE may not know the location of the first subframe and may perform window-based decoding. The UE may decode the control channel in at least one subframe within a decoding window covering the first subframe to obtain the control information. The UE may then decode the data channel in the second subframe based on the control information to obtain the data.
    • 描述了在无线网络中可靠地发送和接收控制信息的技术。 小区通常可以在相同子帧上的数据信道上在控制信道上发送控制信息和相关数据(例如,系统信息)。 该子帧可能具有来自其他小区的强干扰。 对于跨子帧信令,小区可以在第二子帧中发送第一子帧中的控制信息和相关联的数据。 第一子帧可以是小区的可用子帧,并且可能具有来自其他小区的较小的干扰。 UE可能不知道第一子帧的位置并且可以执行基于窗口的解码。 UE可以在覆盖第一子帧的解码窗口内的至少一个子帧中解码控制信道,以获得控制信息。 然后,UE可以基于控制信息来解码第二子帧中的数据信道,以获得数据。
    • 68. 发明申请
    • TRANSMISSION OF REFERENCE SIGNAL ON NON-CONTIGUOUS CLUSTERS OF RESOURCES
    • 传输非资源集群资源的参考信号
    • US20110141982A1
    • 2011-06-16
    • US12816929
    • 2010-06-16
    • Xiaoxia ZhangWanshi ChenXiliang LuoJuan MontojoPeter Gaal
    • Xiaoxia ZhangWanshi ChenXiliang LuoJuan MontojoPeter Gaal
    • H04W72/04
    • H04L5/0051H04J13/0062H04L5/0016H04L5/0023H04L5/0041H04L27/2613
    • Techniques for transmitting a reference signal on multiple non-contiguous clusters of resources are described. A user equipment (UE) may be scheduled for data transmission on the multiple non-contiguous clusters, and each cluster may cover a set of contiguous subcarriers. The UE may generate the reference signal based on at least one reference signal (RS) sequence using code division multiplexing (CDM) or frequency division multiplexing (FDM). In an design, the UE generates the reference signal with CDM based on a single RS sequence having a length matching the total length of the multiple non-contiguous clusters. In another design, the UE generates the reference signal with CDM based on one RS sequence for each cluster. In yet another design, the UE generates the reference signal with FDM and transmits the reference signal on a subset of all subcarriers for the multiple non-contiguous clusters.
    • 描述了用于在多个不连续的资源簇上传送参考信号的技术。 可以调度用户设备(UE)以在多个不连续的群集上进行数据传输,并且每个群集可以覆盖一组连续的子载波。 UE可以使用码分复用(CDM)或频分复用(FDM),基于至少一个参考信号(RS)序列生成参考信号。 在设计中,UE基于具有与多个不连续簇的总长度匹配的长度的单个RS序列,用CDM生成参考信号。 在另一种设计中,UE根据每个簇的一个RS序列产生具有CDM的参考信号。 在又一设计中,UE使用FDM生成参考信号,并且在多个非连续簇的所有子载波的子集上发送参考信号。