公开(公告)号：US20150082133A1

公开(公告)日：2015-03-19

申请号：US14027919

申请日：2013-09-16

Applicant: FutureWei Technologies, Inc.

Inventor： Yu Cao ,  Amine Maaref ,  Mohammadhadi Baligh ,  Jianglei Ma

IPC: H04L1/00 ,  G06F11/10 ,  H03M13/09

CPC classification number: H04L1/0061 ,  G06F11/1004 ,  H03M13/095 ,  H03M13/2957 ,  H03M13/3723 ,  H03M13/612 ,  H04L1/06 ,  H04L1/1819 ,  H04L25/067 ,  H04L27/3416 ,  H04L2001/0097

Abstract: User equipment (UE) cooperation can be improved by relaying partial soft information to target UEs. More specifically, a cooperating UE may relay a subset of log-likelihood ratios (LLRs) to the target UE. The subset of LLRs may correspond to fewer than all resource blocks of the original transmission. This may allow UE cooperation to be effective when the cooperating UE was only able to decode a portion of the original transmission. This may also allow fewer network resources (e.g., bandwidth, etc.) to be used when the target UE does not need all of the soft information to decode the original transmission. Multiple cooperating UEs can provide different subsets of LLRs, and the subsets may or may not overlap with one another.

Abstract translation: 可以通过将部分软信息中继到目标UE来提高用户设备（UE）协作。 更具体地，协作UE可以将对数似然比（LLR）的子集中继到目标UE。 LLR的子集可以对应于比原始传输的所有资源块少。 这可以允许UE协作在协作的UE仅能够对原始传输的一部分进行解码时有效。 当目标UE不需要所有软信息来解码原始传输时，这也可以允许使用更少的网络资源（例如，带宽等）。 多个合作的UE可以提供不同的LLR子集，并且子集可以或可以不彼此重叠。

公开(公告)号：US20150043436A1

公开(公告)日：2015-02-12

申请号：US13963983

申请日：2013-08-09

Applicant: FutureWei Technologies, Inc.

Inventor： Amine Maaref

IPC: H04L25/02

CPC classification number: H04L25/028 ,  H04B7/024 ,  H04J11/0023 ,  H04J11/0056 ,  H04L25/0204 ,  H04L25/03343 ,  H04L25/03904 ,  H04W16/14

Abstract: Embodiments are provided for a cooperative cross-tier precoding (CTP) and intra-tier precoding (ITP) scheme for two-tier networks. The cooperative precoding scheme allows exploitation of extra transmit dimensions at the second-tier network, thereby increasing the achievable throughput at the second-tier network. The embodiments allow significant increase in throughput of the second-tier network due to both CTP between the second-tier network and the first-tier network, and efficient ITP between the second-tier network transmitters. The increase in transmit dimension allows for efficient linear inra-tier precoding, which significantly reduces the intra-tier interference. A processor coupled to the second-tier network transmitters is configured to perform CTP of transmit signals in the second-tier network for cancelling signal interference from the second-tier network transmitters to a first-tier network receiver, thereby generating CTP matrix information. The processor then performs, using the CTP matrix information, ITP for reducing intra-signal interference from the second-tier transmitters to corresponding second-tier receivers.

Abstract translation: 提供了用于双层网络的协作跨层预编码（CTP）和层内预编码（ITP）方案的实施例。 协作预编码方案允许在第二层网络上利用额外的传输维度，从而增加第二层网络可实现的吞吐量。 这些实施例允许由于第二层网络和第一层网络之间的CTP以及第二层网络发射机之间的有效ITP而导致的第二层网络的吞吐量的显着增加。 传输尺寸的增加允许有效的线性层内预编码，这显着降低了层内干扰。 耦合到第二层网络发射机的处理器被配置为在第二层网络中执行发射信号的CTP，以消除来自第二层网络发射机到第一层网络接收机的信号干扰，由此产生CTP矩阵信息。 然后，处理器使用CTP矩阵信息执行ITP，以将来自第二层发射机的信号内干扰降低到相应的二级接收机。

公开(公告)号：US08902907B2

公开(公告)日：2014-12-02

申请号：US13646549

申请日：2012-10-05

Applicant: Futurewei Technologies, Inc.

Inventor： Amine Maaref ,  Mohammadhadi Baligh ,  Jianglei Ma

IPC: H04L12/54

CPC classification number: H04W72/042 ,  H04L12/189 ,  H04L61/2069 ,  H04W72/121 ,  H04W76/40 ,  H04W88/04

Abstract: Virtualized group-wise communications between a wireless network and a plurality of user equipments (UEs) are supported using UE cooperation. UE cooperation includes receiving, at a cooperating UE (CUE), downlink information from the wireless network destined for a target UE (TUE) and associated with a group identifier (ID). The group ID indicates a virtual multi-point (ViMP) node that includes the TUE and the CUE. The UE cooperation also includes sending the downlink information to the TUE. The UE or UE component can have a processor configured to forward between the wireless network and a TUE at least some information that is associated with a group ID indicating a ViMP node that groups the TUE and the UE.

Abstract translation: 使用UE协作支持无线网络与多个用户设备（UE）之间的虚拟化的分组通信。 UE协作包括在协作UE（CUE）处接收来自目标UE（TUE）的无线网络并与组标识符（ID）相关联的下行链路信息。 组ID指示包括TUE和CUE的虚拟多点（ViMP）节点。 UE合作还包括向TUE发送下行链路信息。 UE或UE组件可以具有被配置为在无线网络和TUE之间转发至少一些与指示对TUE和UE进行分组的ViMP节点的组ID相关联的信息的处理器。