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    NLOS wireless backhaul uplink communication
    72.
    发明授权
    NLOS wireless backhaul uplink communication 有权
    NLOS无线回程上行链路通信

    公开(公告)号：US09419750B2

    公开(公告)日：2016-08-16

    申请号：US14297164

    申请日：2014-06-05

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： June Chul Roh ,  Pierre Bertrand ,  Srinath Hosur ,  Vijay Pothukuchi ,  Mohamed Farouk Mansour

    IPC: H03M13/00 ,  H04L1/00 ,  H03M13/29 ,  H03M13/15

    CPC classification number: H04W72/0413 ,  H03M13/1515 ,  H03M13/2966 ,  H03M13/611 ,  H03M13/618 ,  H03M13/635 ,  H04H20/38 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0064 ,  H04L1/0071 ,  H04L1/0076 ,  H04L1/1812 ,  H04W72/0446

    Abstract: A method for uplink (UL) wireless backhaul communication at a wireless backhaul remote unit in a radio access network comprising receiving a configuration for radio frames and a transmission schedule through a downlink (DL) physical layer broadcast channel, wherein the transmission schedule comprises a transmission allocation for the remote unit, generating a UL data frame, wherein generating the UL data frame comprises performing forward error correction (FEC) encoding on a data bit stream to generate a plurality of FEC codewords, wherein performing the FEC encoding comprises performing Reed Solomon (RS) encoding on the data bit stream to generate a plurality of RS codewords, performing byte interleaving on the RS codewords, and performing Turbo encoding on the byte interleaved RS codewords to generate one or more Turbo codewords, wherein each Turbo codeword is encoded from more than one RS codeword, and transmitting the UL data frame according to the transmission allocation.

    Abstract translation: 一种在无线接入网络中的无线回程远程单元处的上行链路（UL）无线回程通信的方法，包括通过下行链路（DL）物理层广播信道接收无线电帧的配置和传输调度，其中所述传输调度包括传输 生成UL数据帧的UL数据帧的生成包括对数据比特流执行前向纠错（FEC）编码以生成多个FEC码字，其中执行FEC编码包括执行Reed Solomon（ RS）编码以产生多个RS码字，在RS码字上执行字节交织，并对字节交织的RS码字执行Turbo编码，以生成一个或多个Turbo码字，其中每个Turbo码字从更多的编码 而不是一个RS码字，并且根据传输分配来发送UL数据帧。

    Link adaptation for LTE uplink
    73.
    发明授权
    Link adaptation for LTE uplink 有权
    LTE上行链路适配

    公开(公告)号：US09319928B2

    公开(公告)日：2016-04-19

    申请号：US13744317

    申请日：2013-01-17

    Applicant: Texas Instruments Incorporated

    Inventor： Pierre Bertrand ,  Jing Jiang ,  Anthony Ekpenyong

    IPC: H04L12/26 ,  H04W28/02 ,  H04L1/00 ,  H04L1/20 ,  H04L1/18

    CPC classification number: H04W28/0236 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0017 ,  H04L1/0019 ,  H04L1/0027 ,  H04L1/1816 ,  H04L1/203

    Abstract: A detailed design of an LTE Link Adaptation function for LTE uplink is disclosed. A new approach for adapting SINR backoff in OLLA is used when serving non-time-sensitive radio bearers without target BLER constraint. A sub-optimal scheduler is also disclosed wherein the SINR measurements at the ILLA input are updated on each TTI for the UEs scheduled in that sub-frame for future UL transmission with a fresher interference measurement from the sub-frame preceding by 8 ms the actual transmission sub-frame. This allows for exploitation of a correlation peak of the interference resulting from HARQ retransmissions. A schedule incorporating these features improves upon, with a minor complexity increase, the spectral efficiency performance of a low-complexity baseline scheduler only based on SINR updates at SRS rate.

    Abstract translation: 公开了用于LTE上行链路的LTE链路适配功能的详细设计。 在不使用目标BLER约束的情况下服务非时间敏感的无线电承载时，将使用适用于OLLA中SINR退避的新方法。 还公开了一种次优调度器，其中在ILLAN输入处的SINR测量在针对在该子帧中调度的UE的每个TTI上被更新以用于将来的UL传输，其中来自前一个子帧的更新的干扰测量在8ms之前，实际 传输子帧。 这允许利用由HARQ重传产生的干扰的相关峰值。 仅基于SRS速率下的SINR更新，结合了这些特征的调度改进了低复杂度基线调度器的频谱效率性能，同时增加了较小的复杂度。

    SIGNALING OF RANDOM ACCESS PREAMBLE SEQUENCES IN WIRELESS NETWORKS
    75.
    发明申请
    SIGNALING OF RANDOM ACCESS PREAMBLE SEQUENCES IN WIRELESS NETWORKS 有权
    无线网络中随机访问前缀序列的信令

    公开(公告)号：US20140341010A1

    公开(公告)日：2014-11-20

    申请号：US14326354

    申请日：2014-07-08

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Jing Jiang ,  Pierre Bertrand ,  Tarik Muharemovic

    IPC: H04L5/00 ,  H04L27/26 ,  H04J13/00

    CPC classification number: H04L5/0007 ,  H04J13/0059 ,  H04J13/0062 ,  H04J13/0074 ,  H04L27/2601 ,  H04L27/2607 ,  H04L27/2613 ,  H04W74/08

    Abstract: Transmission of random access preamble structures within a cellular wireless network is based on the use of cyclic shifted constant amplitude zero autocorrelation (“CAZAC”) sequences to generate the random access preamble signal. A pre-defined set of sequences is arranged in a specific order. Within the predefined set of sequences is an ordered group of sequences that is a proper subset of the pre-defined set of sequences. Within a given cell, up to 64 sequences may need to be signaled. In order to minimize the associated overhead due to signaling multiple sequences, only one logical index is transmitted by a base station serving the cell and a user equipment within the cell derives the subsequent indexes according to the pre-defined ordering. Each sequence has a unique logical index. The ordering of sequences is identified by the logical indexes of the sequences, with each logical index uniquely mapped to a generating index. When a UE needs to transmit, it produces a second sequence using the received indication of the logical index of the first sequence and an auxiliary parameter and then produces a transmission signal by modulating the second sequence.

    Abstract translation: 蜂窝无线网络内的随机接入前同步码结构的传输是基于使用循环移位恒幅零自相关（“CAZAC”）序列来生成随机接入前同步信号的。 按照特定顺序排列预定义的序列集合。 在预定义的序列集合内，是序列的有序组，其是预定义序列集合的适当子集。 在给定的小区内，可能需要发信号通知多达64个序列。 为了最小化由于信令多个序列引起的相关开销，仅由服务于小区的基站发送一个逻辑索引，并且小区内的用户设备根据预定义的顺序导出后续索引。 每个序列都有唯一的逻辑索引。 序列的顺序由序列的逻辑索引识别，每个逻辑索引唯一映射到生成索引。 当UE需要发送时，它使用接收到的第一序列的逻辑索引的指示和辅助参数产生第二序列，然后通过调制第二序列来产生传输信号。

    Simultaneous Transmission in Multiple Timing Advance Groups
    76.
    发明申请
    Simultaneous Transmission in Multiple Timing Advance Groups 审中-公开
    在多个定时提前组中同时传输

    公开(公告)号：US20130195048A1

    公开(公告)日：2013-08-01

    申请号：US13752863

    申请日：2013-01-29

    Applicant: Texas Instruments Incorporated

    Inventor： Anthony Edet Ekpenyong ,  Ralf Matthias Bendlin ,  Pierre Bertrand

    IPC: H04W52/32 ,  H04W74/08

    CPC classification number: H04W52/325 ,  H04W52/281 ,  H04W52/40 ,  H04W52/48 ,  H04W74/0833

    Abstract: Systems and methods for specifying UE power control allocation for simultaneous transmission of PRACH in a secondary serving cell and PUCCH/PUSCH/SRS in a different serving cell in another timing advance group are disclosed. Rules are provided for prioritizing transmission of PRACH and/or other UL channels/signals. Additionally, UE power allocation is controlled for misaligned subframes across different timing advance groups. Latency of UL synchronization for a secondary serving cell is reduced by prioritizing PRACH retransmission.

    Abstract translation: 公开了用于在另一个定时提前组中的不同服务小区中的次要服务小区和PUCCH / PUSCH / SRS中同时发送PRACH的UE功率控制分配的系统和方法。 提供了用于优先考虑PRACH和/或其他UL信道/信号的传输的规则。 另外，跨越不同的定时提前组对不对准子帧控制UE功率分配。 通过优先考虑PRACH重传来减少辅助服务小区的UL同步的延迟。

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