公开(公告)号：US20110306291A1

公开(公告)日：2011-12-15

申请号：US13058708

申请日：2009-08-12

申请人： Jianglei Ma ,  Hua Xu ,  Hang Zhang ,  Peiying Zhu ,  Wen Tong

发明人： Jianglei Ma ,  Hua Xu ,  Hang Zhang ,  Peiying Zhu ,  Wen Tong

IPC分类号： H04B7/14 ,  H04B17/02

CPC分类号： H04B7/155 ,  H04B7/2606 ,  H04W16/26 ,  H04W84/047

摘要： Methods and apparatus are described for enabling downlink transparent relay in a wireless communication network. In a wireless communications network, a base station and a mobile station may communicate with each other via a relay station, as needed. Transparent relay may allow for relay communication between a base station and a mobile station although the mobile station is unaware of the relay station. However, non-contiguous transmission of a relay station may lead to channel quality measurement and channel estimation degradation during downlink transparent relay. According to some aspects, a base station may schedule a mobile station to a transmission mode that utilizes dedicated pilot signals for downlink transparent relay, and a relay station may transmit data and dedicated pilot signals over the same channel resources as the base station. According to some aspects, the relay station may null common pilot signals transmitted by the base station.

摘要翻译： 描述了用于在无线通信网络中启用下行链路透明中继的方法和装置。 在无线通信网络中，基站和移动台可以根据需要经由中继站进行通信。 尽管移动台不知道中继站，但是透明中继可以允许基站和移动台之间的中继通信。 然而，中继站的不连续传输可能导致下行链路透明中继期间的信道质量测量和信道估计恶化。 根据一些方面，基站可以将移动台调度为利用用于下行链路透明中继的专用导频信号的传输模式，并且中继站可以通过与基站相同的信道资源发送数据和专用导频信号。 根据一些方面，中继站可以丢弃由基站发送的公共导频信号。

公开(公告)号：US20110235562A1

公开(公告)日：2011-09-29

申请号：US12865627

申请日：2008-02-01

申请人： Wen Tong ,  Jianglei Ma ,  Mo-Han Fong ,  Peiying Zhu ,  Aaron Callard

发明人： Wen Tong ,  Jianglei Ma ,  Mo-Han Fong ,  Peiying Zhu ,  Aaron Callard

IPC分类号： H04H20/71

CPC分类号： H04W4/06 ,  H04B7/0874 ,  H04H20/42 ,  H04H20/67 ,  H04H20/72 ,  H04L12/189 ,  H04W52/327 ,  H04W72/005 ,  H04W72/04 ,  H04W72/0453 ,  H04W72/121

摘要： Methods and devices are provided for implementing two types of sub-channel arrangements. A first type of sub-channel arrangement involves defining a first traffic portion and a second traffic portion of a transmission resource, transmitting broadcast traffic on at least one first antenna of a plurality of antennas in the first traffic portion using a first sub-channelization, transmitting multicast traffic on at least one second antenna of the plurality of antennas, the at least one second antenna being distinct from the at least one first antenna, in the first traffic portion using a second sub-channelization, and transmitting unicast traffic on at least one antenna of the plurality of antennas in the second traffic portion using a third sub-channelization. A second type of sub-channel arrangement involves defining a first traffic portion and a second traffic portion, wherein for a portion of the transmission resource, a portion of the first traffic portion overlaps with a portion of the second traffic portion. In the portion of the transmission resource in which a portion of the first traffic portion overlaps with a portion of the second traffic portion, the channel arrangement involves transmitting broadcast/multicast traffic on at least one first antenna of a plurality of antennas using a first sub-channelization and b) transmitting unicast traffic on at least one second antenna of the plurality of antennas, the at least one second antenna being distinct from the at least one first antenna, using a second sub-channelization. The first, second and third sub-channelizations may be based on either one of or a combination of FDM sub-channelization and TDM sub-channelization.

摘要翻译： 提供了用于实现两种类型的子通道布置的方法和装置。 第一类型的子信道布置涉及定义传输资源的第一业务部分和第二业务部分，使用第一子信道化在第一业务部分中的多个天线的至少一个第一天线上发送广播业务， 在所述多个天线的至少一个第二天线上发射多播业务，所述至少一个第二天线与所述至少一个第一天线不同，所述第一天线在所述第一业务部分中使用第二子信道化，并且至少在至少一个 第二业务部分中的多个天线中的一个天线使用第三子信道化。 第二类型的子信道布置涉及定义第一业务部分和第二业务部分，其中对于传输资源的一部分，第一业务部分的一部分与第二业务部分的一部分重叠。 在第一业务部分的一部分与第二业务部分的一部分重叠的传输资源的部分中，信道配置涉及使用第一子信道在多个天线的至少一个第一天线上发送广播/组播业务 - 通道化和b）在所述多个天线的至少一个第二天线上发射单播业务，所述至少一个第二天线与所述至少一个第一天线不同，使用第二子信道化。 第一，第二和第三子信道化可以基于FDM子信道化和TDM子信道化的任何一个或组合。

公开(公告)号：US20110158156A1

公开(公告)日：2011-06-30

申请号：US12996189

申请日：2009-06-12

申请人： Jianglei Ma ,  Hang Zhang ,  Ming Jia ,  Wen Tong ,  Hua Xu ,  Peiying Zhu

发明人： Jianglei Ma ,  Hang Zhang ,  Ming Jia ,  Wen Tong ,  Hua Xu ,  Peiying Zhu

IPC分类号： H04W72/04 ,  H04W88/04

CPC分类号： H04L5/0039 ,  A61K9/2081 ,  A61K9/209 ,  A61K9/2886 ,  A61K9/5026 ,  A61K9/5073 ,  A61K9/5084 ,  A61K31/455 ,  A61K31/54 ,  A61K45/06 ,  H04B7/15542 ,  H04L5/0007 ,  H04L5/003 ,  H04L5/14 ,  H04L25/20 ,  H04W52/143 ,  H04W72/0453 ,  H04W84/047 ,  A61K2300/00

摘要： International Mobile Telecommunications (IMT) Advanced technology, also known as 4th Generation (4G) targets to support up to 100 MHz BW. LTE currently supports single carrier bandwidths of up to 20 MHz. The present application describes a multi-carrier approach in which some embodiments of the invention provide a simple solution of aggregating multiple single carrier bandwidths to obtain a wider bandwidth (>20 MHz). Such an approach may extend Long Term Evolution (LTE) bandwidth to greater than that provided by a single carrier, yet maintain full backward compatibility with technologies that predate 4G technology and utilize smaller, single carrier bandwidths. More generally, embodiments of the invention can apply to other communication standards than only LTE.

摘要翻译： 国际移动电信（IMT）先进技术，也被称为第四代（4G）目标，以支持高达100 MHz的BW。 LTE目前支持高达20 MHz的单载波带宽。 本申请描述了多载波方法，其中本发明的一些实施例提供聚合多个单载波带宽以获得更宽带宽（> 20MHz）的简单解决方案。 这种方法可以将长期演进（LTE）带宽扩展到大于由单个载波提供的带宽，但仍然保持与早于4G技术并利用更小的单载波带宽的技术的完全向后兼容性。 更一般地，本发明的实施例可以应用于仅比LTE的其他通信标准。

公开(公告)号：US20110134772A1

公开(公告)日：2011-06-09

申请号：US12923519

申请日：2010-09-24

申请人： Hang Zhang ,  Wen Tong ,  Jianglei Ma ,  Peiying Zhu ,  Ming Jia

发明人： Hang Zhang ,  Wen Tong ,  Jianglei Ma ,  Peiying Zhu ,  Ming Jia

IPC分类号： H04W40/00 ,  H04J4/00 ,  H04W24/00

CPC分类号： H04W84/047 ,  H04B7/15542 ,  H04B7/2606

摘要： A method of facilitating radio communications involves receiving a first message from a first remote radio station on a first radio channel, transmitting the first message to a second remote radio station on a second radio channel, receiving a second message from the second remote radio station on a third radio channel, and transmitting the second message to the first remote radio station on a fourth radio channel. A method of radio communication involves receiving a first radio signal from a first remote radio station on a first radio channel, transmitting a second radio signal to the first remote radio station on a second radio channel, receiving a third radio signal from a second remote radio station on a third radio channel, and transmitting a fourth radio signal to the second remote radio station on a fourth radio channel. Radio signal repeater and mobile station apparatuses are also disclosed.

摘要翻译： 一种促进无线电通信的方法涉及在第一无线电信道上从第一远程无线电站接收第一消息，在第二无线电信道上将第一消息发送到第二远程无线电台，从第二远程无线电台接收第二消息， 第三无线电信道，并且在第四无线电信道上将所述第二消息发送到所述第一远程无线电台。 无线电通信的方法涉及在第一无线电信道上从第一远程无线电站接收第一无线电信号，在第二无线电信道上向第一远程无线电台发送第二无线电信号，从第二无线电信道接收第三无线电信号 并且在第四无线电信道上向第二远程无线电台发送第四无线电信号。 还公开了无线电信号中继器和移动站装置。

公开(公告)号：US07949061B2

公开(公告)日：2011-05-24

申请号：US12830791

申请日：2010-07-06

申请人： Wen Tong ,  Peiying Zhu ,  Jianglei Ma ,  Ming Jia

发明人： Wen Tong ,  Peiying Zhu ,  Jianglei Ma ,  Ming Jia

IPC分类号： H04K1/10 ,  H04L27/28

CPC分类号： H04L27/2613 ,  H04B7/04 ,  H04B7/0413 ,  H04B7/0684 ,  H04L1/0618 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/022 ,  H04L25/0234 ,  H04L25/0244 ,  H04L27/2602 ,  H04L27/2627 ,  H04W52/42

摘要： Methods and apparatus are provided for inserting data symbols and pilot symbols in an OFDM (orthogonal frequency division multiplexing) transmission resource utilizing frequency hopping patterns for the data symbols and/or the pilot symbols. Data symbols and pilot symbols are allocated for down link (base station to mobile station) and up link (mobile station to bases station) transmission resources in a two-dimensional time-frequency pattern. For each antenna of a MIMO-OFDM (multiple input multiple output OFDM) communication system, pilot symbols are inserted in a scattered pattern in time-frequency and data symbols are inserted in an identical frequency-hopping pattern in time-frequency as that of other antennas.

摘要翻译： 提供了使用用于数据符号和/或导频符号的跳频图案在OFDM（正交频分复用）传输资源中插入数据符号和导频符号的方法和装置。 数据符号和导频符号以二维时频模式分配给下行链路（基站到移动台）和上行链路（移动台到基站）传输资源。 对于MIMO-OFDM（多输入多输出OFDM）通信系统的每个天线，导频符号以时间 - 频率的散射图案插入，并且数据符号以与其它信号的时间频率相同的跳频图案插入 天线。

公开(公告)号：US20110019605A1

公开(公告)日：2011-01-27

申请号：US12933740

申请日：2009-03-20

申请人： Jianglei Ma ,  Aaron Callard ,  Ming Jia ,  Wen Tong ,  Peiying Zhu ,  Hang Zhang

发明人： Jianglei Ma ,  Aaron Callard ,  Ming Jia ,  Wen Tong ,  Peiying Zhu ,  Hang Zhang

IPC分类号： H04H20/71 ,  H04W72/04 ,  H04B7/14

CPC分类号： H04W4/06 ,  H04B7/0413 ,  H04B7/0697 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0082 ,  H04W36/0005 ,  H04W36/30 ,  H04W72/005

摘要： Systems and methods are disclosed herein for an enhanced Multimedia Broadcast Multicast Service (MBMS) in a wireless communications network. In one embodiment, a number of base stations in a MBMS zone, or broadcast region, accommodate both Spatial Multiplexing (SM) enabled user elements and non-SM enabled user elements. In another embodiment, a number of base stations form a MBMS zone, or broadcast region, where the MBMS zone is sub-divided into an SM zone and a non-SM zone. In another embodiment, the wireless communications network includes multiple MBMS zones. For each MBMS zone, base stations serving the MBMS zone transmit an MBMS zone identifier (ID) for the MBMS zone. The MBMS zone ID may be used by a user element for decoding and/or to determine when to perform a handoff from one MBMS zone to another.

摘要翻译： 这里公开了用于无线通信网络中的增强型多媒体广播多播服务（MBMS）的系统和方法。 在一个实施例中，MBMS区域或广播区域中的多个基站适应启用的空间复用（SM）用户元件和不启用SM的用户元件。 在另一个实施例中，多个基站形成MB​​MS区域或广播区域，其中MBMS区域被划分为SM区域和非SM区域。 在另一个实施例中，无线通信网络包括多个MBMS区域。 对于每个MBMS区域，服务于MBMS区域的基站发送MBMS区域的MBMS区域标识符（ID）。 MBMS区域ID可以由用户单元用于解码和/或确定何时执行从一个MBMS区域到另一个MBMS区域的切换。

公开(公告)号：US20100226334A1

公开(公告)日：2010-09-09

申请号：US12780336

申请日：2010-05-14

申请人： Jianglei Ma ,  Ming Jia ,  Peiying Zhu ,  Wen Tong

发明人： Jianglei Ma ,  Ming Jia ,  Peiying Zhu ,  Wen Tong

IPC分类号： H04W72/04

CPC分类号： H04L5/0048 ,  H04B2201/70701 ,  H04J11/0069 ,  H04L5/0007 ,  H04L25/0224 ,  H04L27/2655 ,  H04W74/00

摘要： Physical layer structures and related access schemes for unsynchronized communication networks are provided. Access channel information, preferably including a common synchronization code associated with all transceiver stations in a communication network and a cell-specific synchronization code uniquely associated with one of the transceiver stations, is modulated onto at least one set of time-continuous signal components of a communication signal. In order to access the communication network, communication terminals search for the access channel information in one or more sets of time-continuous signal components and synchronization parameters are then determined based on a location of the access channel information in the sets of time-continuous signal components. Some embodiments of the invention provide for joint frame synchronization and coarse timing synchronization. In further embodiments, the communication signal also includes a scattered pilot channel onto which a portion of the access channel information, preferably the cell-specific synchronization code, is modulated. The pilot channels may then be re-used for initial access operations in addition to its conventional uses for such operations as channel estimation.

摘要翻译： 提供了用于非同步通信网络的物理层结构和相关访问方案。 优选地包括与通信网络中的所有收发机站相关联的公共同步码和与这些收发信机之一唯一相关联的小区特定同步码的接入信道信息被调制到至少一组时间连续信号分量 通信信号。 为了访问通信网络，通信终端在一组或多组时间连续信号分量中搜索接入信道信息，然后基于时间连续信号组中的接入信道信息的位置来确定同步参数 组件。 本发明的一些实施例提供了联合帧同步和粗略定时同步。 在另外的实施例中，通信信号还包括一个分散的导频信道，一个部分接入信道信息，最好是小区特定的同步码被调制到该导频信道上。 然后，除了用于诸如信道估计之类的操作的常规用途之外，导频信道可以被重新用于初始接入操作。

公开(公告)号：US07773699B2

公开(公告)日：2010-08-10

申请号：US10038916

申请日：2002-01-08

申请人： Ming Jia ,  Jianglei Ma ,  Peiying Zhu ,  Dong-Sheng Yu ,  Wen Tong

发明人： Ming Jia ,  Jianglei Ma ,  Peiying Zhu ,  Dong-Sheng Yu ,  Wen Tong

IPC分类号： H03D1/00 ,  H04L27/06

CPC分类号： H04L1/0631 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0036 ,  H04L1/208 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L25/0226 ,  H04L25/0236 ,  H04L25/03318 ,  H04L25/067

摘要： A method and apparatus are provided for combining pilot symbols and Transmit Parameter Signalling (TPS) channels within an OFDM frame. The method uses Differential Space-Time Block Coding to encode a fast signalling message at an OFDM transmitter. At an OFDM receiver, the encoded fast signalling message can be decoded using differential feedback to recover information about the channel responses that would normally be carried by pilot symbols. In wireless data transmission employing adaptive modulation and coding, an instantaneous channel quality measurement, independent of the origin of interference for example, neighboring-cell interference, white thermal noise, or residual Doppler shift is provided. Using the correlation between a signal which has been symbol de-mapped, and one which has also been soft decoded and re-encoded, a channel quality indicator is produced. Another embodiment uses TPS data as pilot symbols by decoding TPS and then re-encoding.

摘要翻译： 提供了一种在OFDM帧内组合导频符号和发射参数信令（TPS）信道的方法和装置。 该方法使用差分空时块编码来在OFDM发射机处对快速信令消息进行编码。 在OFDM接收机处，可以使用差分反馈对编码的快速信令消息进行解码，以恢复通常由导频符号携带的信道响应的信息。 在采用自适应调制和编码的无线数据传输中，提供了独立于干扰起源的瞬时信道质量测量，例如相邻小区干扰，白热噪声或残余多普勒频移。 使用已被符号解映射的信号与也被软解码和重新编码的信号之间的相关性，产生信道质量指示符。 另一实施例通过解码TPS然后重新编码来使用TPS数据作为导频符号。

公开(公告)号：US20100002801A1

公开(公告)日：2010-01-07

申请号：US12339568

申请日：2008-12-19

申请人： Ming Jia ,  Jianglei Ma ,  Peiying Zhu ,  Wen Tong

发明人： Ming Jia ,  Jianglei Ma ,  Peiying Zhu ,  Wen Tong

IPC分类号： H04L25/03

CPC分类号： H04B7/0456 ,  H04B7/0417 ,  H04B7/0465 ,  H04B7/063 ,  H04L25/03343

摘要： A high-order Multiple-Input-Multiple-Output (MIMO) transmitter implementing a covariance-based precoding scheme that exploits transmit channel correlation and a method of operation thereof are provided. In one embodiment, covariance-based precoding is performed at the high-order MIMO transmitter based on feedback from a remote high-order MIMO receiver regarding a covariance-based precoding matrix. The covariance-based precoding matrix is, or is derived from, a transmit channel correlation matrix determined by the high-order MIMO receiver for the high-order MIMO transmitter. The covariance-based precoding provides a beam-forming effect when there is a relatively high degree of transmit channel correlation, thereby improving performance of the high-order MIMO transmitter. Further, because changes in the transmit channel correlation occur relatively slowly over time, feedback overhead requirements are substantially reduced as compared to that required for traditional MIMO precoding schemes.

摘要翻译： 提供了实现利用发射信道相关的协方差预编码方案的高阶多输入多输出（MIMO）发射机及其操作方法。 在一个实施例中，基于基于协方差的预编码矩阵的来自远程高阶MIMO接收机的反馈在高阶MIMO发射机处执行基于协方差的预编码。 基于协方差的预编码矩阵是由或由高阶MIMO发射机的高阶MIMO接收机确定的发射信道相关矩阵导出的。 当存在相对较高程度的发射信道相关性时，基于协方差的预编码提供波束形成效应，从而提高高阶MIMO发射机的性能。 此外，由于与传统MIMO预编码方案相比，发射信道相关性的变化随时间发生相对较慢，所以反馈开销要求显着降低。

公开(公告)号：US20090245197A1

公开(公告)日：2009-10-01

申请号：US11990868

申请日：2006-08-23

申请人： Jianglei Ma ,  Ming Jia ,  Wen Tong ,  Peiying Zhu ,  Evelyne Le Strat ,  Sarah Boumendil

发明人： Jianglei Ma ,  Ming Jia ,  Wen Tong ,  Peiying Zhu ,  Evelyne Le Strat ,  Sarah Boumendil

IPC分类号： H04W72/04

CPC分类号： H04L5/0073 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0032 ,  H04L5/0046 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0062 ,  H04W16/02 ,  H04W16/12

摘要： The present invention provides methods and devices for mitigating inter-cell interference in communication environments having a plurality of cells. In some embodiments, a time-frequency transmission resource that includes multiple sub-carriers over multiple OFDM symbol intervals is partitioned into a first zone and a second zone. In the first zone, transmissions are transmitted on at least one frequency sub-band which is common to all of the plurality of cells. In the second zone, transmissions are transmitted on at least one frequency sub-band which is used by less than all of the plurality of cells, so as to mitigate inter-cell interference. In some embodiments, in the first zone transmissions are transmitted using a transmission power which is common to all of the plurality of cells and in the second zone transmissions are transmitted using a transmission power which is used by less than all of the plurality of cells so as to mitigate inter-cell interference.

摘要翻译： 本发明提供了用于减轻具有多个小区的通信环境中的小区间干扰的方法和装置。 在一些实施例中，包括多个OFDM符号间隔上的多个子载波的时间 - 频率传输资源被划分为第一区域和第二区域。 在第一区域中，在所有多个小区共同的至少一个频率子带上传输传输。 在第二区域中，传输在由少于所有多个小区使用的至少一个频率子带上发送，以便减轻小区间干扰。 在一些实施例中，在第一区域中，使用对于所有多个小区是公共的传输功率传输传输，并且在第二区域中，传输使用小于所有多个小区使用的传输功率来传输 以减轻细胞间干扰。