Methods and Systems for HARQ Protocols
    61.
    发明申请
    Methods and Systems for HARQ Protocols 审中-公开
    HARQ协议的方法和系统

    公开(公告)号:US20150049723A1

    公开(公告)日:2015-02-19

    申请号:US14500468

    申请日:2014-09-29

    Applicant: Apple Inc.

    Abstract: Methods described herein are for wireless communication systems. One aspect of the invention is directed to a method for a HARQ process, in which the HARQ process includes a first transmission of an encoder packet and at least one retransmission. The method involves allocating a transmission resource for each respective transmission. The method involves transmitting control information from a base station to a mobile station for each respective transmission. The control information includes information to uniquely identify the HARQ process and an identification of one of a time resource, a frequency resource and a time and frequency resource that is allocated for the transmission. In some embodiments of the invention, specific control information is signalled from a base station to a mobile station to enable RAS-HARQ operation. In some embodiments of the invention, retransmission signaling in included as part of regular unicast signaling used for both first transmission and retransmissions. In some embodiments of the invention, a 3-state acknowledgement channel and associated error recovery operation enables the base station and mobile station to recover from control signaling error and reduce packet loss.

    Abstract translation: 本文描述的方法用于无线通信系统。 本发明的一个方面涉及一种用于HARQ过程的方法,其中所述HARQ过程包括编码器分组的第一传输和至少一个重传。 该方法包括为每个相应的传输分配传输资源。 该方法涉及从每个相应传输的基站向移动台发送控制信息。 控制信息包括用于唯一地识别HARQ过程的信息和为传输分配的时间资源,频率资源和时间和频率资源之一的标识。 在本发明的一些实施例中,从基站向移动台发信号通知特定的控制信息以启用RAS-HARQ操作。 在本发明的一些实施例中,包括作为用于第一传输和重传的常规单播信令的一部分的重传信令。 在本发明的一些实施例中,3状态确认信道和相关联的错误恢复操作使得基站和移动台能够从控制信令错误中恢复并减少分组丢失。

    Transmission of Symbols in a MIMO Environment using Alamouti Based Codes
    64.
    发明申请
    Transmission of Symbols in a MIMO Environment using Alamouti Based Codes 有权
    使用基于Alamouti的代码在MIMO环境中传输符号

    公开(公告)号:US20140119484A1

    公开(公告)日:2014-05-01

    申请号:US13944240

    申请日:2013-07-17

    Applicant: Apple Inc.

    Abstract: A method for transmitting data in a multiple-input-multiple-output space-time coded communication using a mapping table mapping a plurality of symbols defining the communication to respective antennae from amongst a plurality of transmission antennae and to at least one other transmission resource. The mapping table may comprise Alamouti-coded primary segments and may also comprise secondary segments, comprising primary segments. The primary segments in the secondary segments may be defined in accordance to an to Alamouti based code pattern applied at the segment level to define a segment-level Alamouti based code.

    Abstract translation: 一种用于在多输入多输出空时编码通信中使用映射表将数据映射到多个发射天线中的定义通信的相应天线和至少一个其它传输资源的方法。 映射表可以包括Alamouti编码的主分段,并且还可以包括次分段,其包括主分段。 可以根据在段级别应用的基于Alamouti的码模式来定义次级段中的主要段以定义基于段级Alamouti的码。

    Method and Systems for OFDM Using Code Division Multiplexing
    65.
    发明申请
    Method and Systems for OFDM Using Code Division Multiplexing 有权
    使用码分复用的OFDM方法和系统

    公开(公告)号:US20140064243A1

    公开(公告)日:2014-03-06

    申请号:US14079131

    申请日:2013-11-13

    Applicant: Apple Inc.

    Abstract: In some embodiments of the invention, OFDM symbols are transmitted as a plurality of clusters. A cluster includes a plurality of OFDM sub-carriers in frequency, over a plurality of OFDM symbol durations in time. Each cluster includes data as well as pilot information as a reference signal for channel estimation. In some embodiments, a plurality of clusters collectively occupy the available sub-carrier set in the frequency domain that is used for transmission. In some embodiments of the invention data and/or pilots are spread within each cluster using code division multiplexing (CDM). In some embodiments pilots and data are separated by distributing data on a particular number of the plurality of OFDM symbol durations and pilots on a remainder of the OFDM symbol durations. CDM spreading can be performed in time and/or frequency directions.

    Abstract translation: 在本发明的一些实施例中,OFDM符号作为多个簇发送。 在多个OFDM符号持续时间内,群集包括频率上的多个OFDM子载波。 每个簇包括数据以及作为信道估计的参考信号的导频信息。 在一些实施例中,多个集群共同地占用用于传输的频域中的可用子载波集合。 在本发明的一些实施例中,使用码分多路复用(CDM)在每个簇内扩展数据和/或导频。 在一些实施例中,通过在OFDM码元持续时间的其余部分上分配关于多个OFDM符号持续时间的特定数目和导频上的数据来分离导频和数据。 可以在时间和/或频率方向上执行CDM扩展。

    Methods and Systems for HARQ Protocols
    66.
    发明申请
    Methods and Systems for HARQ Protocols 有权
    HARQ协议的方法和系统

    公开(公告)号:US20140050140A1

    公开(公告)日:2014-02-20

    申请号:US14012166

    申请日:2013-08-28

    Applicant: Apple Inc.

    Abstract: Methods described herein are for wireless communication systems. One aspect of the invention is directed to a method for a HARQ process, in which the HARQ process includes a first transmission of an encoder packet and at least one retransmission. The method involves allocating a transmission resource for each respective transmission. The method involves transmitting control information from a base station to a mobile station for each respective transmission. The control information includes information to uniquely identify the HARQ process and an identification of one of a time resource, a frequency resource and a time and frequency resource that is allocated for the transmission. Other aspects of the invention are directed to acknowledging a downlink HARQ transmission, rescheduling an uplink HARQ transmission, and error recovery for an uplink HARQ transmission.

    Abstract translation: 本文描述的方法用于无线通信系统。 本发明的一个方面涉及一种用于HARQ过程的方法,其中所述HARQ过程包括编码器分组的第一传输和至少一个重传。 该方法包括为每个相应的传输分配传输资源。 该方法涉及从每个相应传输的基站向移动台发送控制信息。 控制信息包括用于唯一地识别HARQ过程的信息和为传输分配的时间资源,频率资源和时间和频率资源之一的标识。 本发明的其他方面涉及确认下行链路HARQ传输,重新安排上行链路HARQ传输以及用于上行链路HARQ传输的错误恢复。

    Methods for Control Signaling for Wireless Systems
    67.
    发明申请
    Methods for Control Signaling for Wireless Systems 有权
    无线系统控制信令的方法

    公开(公告)号:US20130301535A1

    公开(公告)日:2013-11-14

    申请号:US13944295

    申请日:2013-07-17

    Applicant: Apple Inc.

    Abstract: To effectively and efficiently provide control information, a broadcast pointer channel (BPCH) may be used to identify the type and perhaps relative location of control information that is being provided in a given frame structure, such as a sub-frame, frame, or superframe. A sub-frame (or like framing entity, such a frame or superframe) may have a BPCH and a corresponding system control information segment in which control information may reside. The system control information segment may have any number of control information blocks, wherein each control information block that is present may correspond to a particular type of control information. The BPCH is used to identify the type of control information that is present in a corresponding system control information segment, and if needed or desired, the relative locations of the various control information.

    Abstract translation: 为了有效和高效地提供控制信息,可以使用广播指针信道(BPCH)来识别在给定帧结构(例如子帧,帧或超帧)中提供的控制信息的类型和可能的相对位置 。 子帧(或类似的成帧实体,例如帧或超帧)可以具有BPCH和控制信息可以驻留在其中的对应的系统控制信息段。 系统控制信息段可以具有任何数量的控制信息块,其中存在的每个控制信息块可以对应于特定类型的控制信息。 BPCH用于识别存在于对应的系统控制信息段中的控制信息的类型,并且如果需要或期望,则各种控制信息的相对位置。

    MIMO Based Network Coding Network
    68.
    发明申请
    MIMO Based Network Coding Network 审中-公开
    基于MIMO的网络编码网络

    公开(公告)号:US20130301534A1

    公开(公告)日:2013-11-14

    申请号:US13944282

    申请日:2013-07-17

    Applicant: Apple Inc.

    CPC classification number: H04B7/0452 H04B7/026 H04B7/0697 H04B7/15521

    Abstract: A wireless communication system includes an intermediate node, a first node and a second node. A apparatus for implementing MIMO based network coding, comprises the first node transmitting first data to the intermediate node, and the second node transmitting second data to the intermediate node. Both the first node and the second node may use spatial multiplexing or time division multiplexing or frequency division multiplexing on a common/different resource. The intermediate node receives the transmissions from the first node and second node, and performs network coding on the first data and second data using a predefined network coding scheme to produce network coded information. The intermediate node transmits the network coded information to the first node and second node using multi-user MIMO and each first or second node receives the MIMO transmissions from the intermediate node and applies network decoding procedures to recover the first data and second data.

    Abstract translation: 无线通信系统包括中间节点,第一节点和第二节点。 一种用于实现基于MIMO的网络编码的装置,包括:第一节点向中间节点发送第一数据,第二节点向第二节点发送第二数据。 第一节点和第二节点都可以在公共/不同资源上使用空间复用或时分复用或频分复用。 中间节点接收来自第一节点和第二节点的传输,并且使用预定义的网络编码方案对第一数据和第二数据执行网络编码以产生网络编码信息。 中间节点使用多用户MIMO将网络编码信息发送到第一节点和第二节点,并且每个第一或第二节点从中间节点接收MIMO传输,并应用网络解码过程来恢复第一数据和第二数据。

    Medium Access Control for Wireless Systems
    69.
    发明申请

    公开(公告)号:US20130235748A1

    公开(公告)日:2013-09-12

    申请号:US13855056

    申请日:2013-04-02

    Applicant: APPLE INC.

    Abstract: A method for execution by a mobile station (MS) in a mobile communications network, the method comprising: receiving a first MS identifier from the network during a ranging operation involving the MS; using the first MS identifier to extract the contents of at least one message received from the network during said ranging operation; using a second MS identifier, different from the first MS identifier, to extract the contents of at least one message received from the network after said ranging operation is complete. Also, a method for execution by the base station, comprising: outputting a first message destined for the MS, the first message including a first identifier for use by the MS during a ranging operation; determining that said ranging operation is complete; outputting a second message destined for the MS, the second message including a second identifier for use by the MS in subsequent communication with the network.

    Preambles in OFDMA System
    70.
    发明申请
    Preambles in OFDMA System 有权
    OFDMA系统中的前言

    公开(公告)号:US20130077469A1

    公开(公告)日:2013-03-28

    申请号:US13680209

    申请日:2012-11-19

    Applicant: APPLE INC.

    Abstract: The present invention provides a preamble that is inserted into an OFDMA frame and has a common sequence for all the base stations participating in a transmission. The subscriber station performs fine synchronization using the common sequence on the common preamble, and the resulting peaks will provide the locations of candidate base stations. The base station specific search is then performed in the vicinities of those peaks by using base station specific pseudo-noise sequences. With this two stage cell search, the searching window is drastically reduced. The preamble is matched to known values by a respective receiver to decode the signals and permit multiple signals to be transferred from the transmitter to the receiver. The preamble may comprise two parts, Preamble-I and Preamble-2, which may be used in different systems, including multioutput, multi-input (MIMO) systems.

    Abstract translation: 本发明提供插入到OFDMA帧中并具有参与传输的所有基站的公共序列的前同步码。 用户站使用公共前导码上的公共序列执行精细同步,并且所得到的峰值将提供候选基站的位置。 然后通过使用基站专用伪噪声序列,在那些峰附近执行基站专用搜索。 通过这两个阶段的单元格搜索,搜索窗口大大减少。 前导码由相应的接收机与已知值匹配以对信号进行解码,并允许多个信号从发射机传送到接收机。 前导码可以包括两个部分,即前导码1和前导码2,其可以在不同的系统中使用,包括多输入多输入(MIMO)系统。

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