公开(公告)号：US20140321439A1

公开(公告)日：2014-10-30

申请号：US14270058

申请日：2014-05-05

Applicant: APPLE INC.

Inventor： Hyung-Nam CHOI

IPC: H04W72/04 ,  H04B7/04

CPC classification number: H04B7/0413 ,  H04B7/04 ,  H04L5/0023 ,  H04L5/0032 ,  H04L5/0037 ,  H04L5/0064 ,  H04L5/0092 ,  H04W72/0446 ,  H04W72/0453 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1244 ,  Y02D70/1246 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/23 ,  Y02D70/444

Abstract: Methods and apparatus adapted to address asymmetric conditions in a multi-antenna system. In one embodiment, the multi-antenna system comprises a wireless (e.g., 3G cellular) multiple-input, multiple-output (MIMO) system, and the methods and apparatus efficiently utilize transmitter and receiver resources based at least in part on a detected asymmetric condition. If an asymmetric condition is detected by the transmitter on any given data stream, the transmitter can decide to utilize only a subset of the available resources for that stream. Accordingly, the signal processing resources for that data stream are adapted to mirror the reduction in resources that are necessary for transmission. The transmitter signals the receiver that it will only be using a subset of the resources available, and the receiver adapts its operation according to the signaling data it receives. The multi-antenna system can therefore reduce power consumption as well as increasing spectral efficiency on the network.

Abstract translation: 适用于解决多天线系统中不对称状况的方法和装置。 在一个实施例中，多天线系统包括无线（例如，3G蜂窝）多输入多输出（MIMO）系统，并且该方法和装置至少部分地基于检测到的不对称的方式和装置有效地利用发射机和接收机资源 条件。 如果发射机在任何给定的数据流上检测到不对称条件，则发射机可以决定仅使用该流的可用资源的一部分。 因此，用于该数据流的信号处理资源适于反映传输所需的资源的减少。 发射机向接收机发信号，它将仅使用可用资源的子集，并且接收机根据其接收的信令数据来适应其操作。 因此，多天线系统可以降低功耗并增加网络上的频谱效率。

公开(公告)号：US20140016524A1

公开(公告)日：2014-01-16

申请号：US14034122

申请日：2013-09-23

Applicant: APPLE INC.

Inventor： Hyung-Nam CHOI ,  Maik Bienas ,  Martin Hans

IPC: H04L5/14

CPC classification number: H04L5/16 ,  H04L1/1812 ,  H04L5/14 ,  H04L43/16 ,  H04W56/0045 ,  H04W72/121 ,  H04W72/1226 ,  H04W72/1289

Abstract: Methods and apparatus that enable a wireless network system to dynamically change between full-duplex FDD operation and half-duplex FDD operation in order to take advantage of operational aspects of both modes. In one embodiment, an alternative duplex mode of operation is disclosed (semi-static half duplex FDD operation) that enables coordination between the client device (e.g., UMTS UE) and the base station in order to centralize control of radio resource control (RRC) to the base station. The disclosed methods and apparatus may also advantageously incorporate hybrid ARQ (HARQ) or comparable timing requirements into their operation.

Abstract translation: 使无线网络系统能够在全双工FDD操作和半双工FDD操作之间动态地改变以便利用两种模式的操作方面的方法和装置。 在一个实施例中，公开了一种替代的双工操作模式（半静态半双工FDD操作），其使客户端设备（例如，UMTS UE）与基站之间的协调能够集中控制无线电资源控制（RRC） 到基站。 所公开的方法和装置还可以有利地将混合ARQ（HARQ）或可比较的时序要求并入其操作中。