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    Signaling methods for wireless communication systems
    1.
    发明授权
    Signaling methods for wireless communication systems 有权
    无线通信系统的信令方法

    公开(公告)号：US08111668B2

    公开(公告)日：2012-02-07

    申请号：US10366389

    申请日：2003-02-14

    申请人： Krishna Balachandran ,  Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Krishna Balachandran ,  Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H04B7/216

    CPC分类号： H04W72/1268 ,  H04L1/0003 ,  H04L1/0028 ,  H04L1/1671 ,  H04L1/1812 ,  H04W28/065 ,  H04W72/1284

    摘要： In a wireless communication system, there is a method of generating and transmitting signaling information from a user, where user control information may be appended as a header to a data block, and the data block and header may be encoded and transmitted as a signaling message from the user. In a method of scheduling a user for transmitting information, a signaling message, which may include user control information, is received from a user. A scheduling grant message that may include an allocated data rate may be transmitted in response to the received signaling message. The user control information may include one or more of buffer status information of the user, reverse pilot channel transmit power information and data related to a soft handoff (SHO) status of the user.

    摘要翻译： 在无线通信系统中，存在一种从用户生成和发送信令信息的方法，其中可以将用户控制信息作为报头附加到数据块，并且可以将数据块和报头作为信令消息进行编码和发送 来自用户 在调度用户发送信息的方法中，从用户接收到包括用户控制信息的信令消息。 可以响应于接收到的信令消息来发送可以包括分配的数据速率的调度授权消息。 用户控制信息可以包括用户的缓冲器状态信息，反向导频信道发送功率信息和与用户的软切换（SHO）状态相关的数据中的一个或多个。

    Method and apparatus for closed loop transmit diversity in a wireless communications system
    2.
    发明授权
    Method and apparatus for closed loop transmit diversity in a wireless communications system 有权
    无线通信系统中闭环发射分集的方法和装置

    公开(公告)号：US07499709B2

    公开(公告)日：2009-03-03

    申请号：US10351943

    申请日：2003-01-27

    申请人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H04Q7/20

    CPC分类号： H04B7/0634 ,  H04B7/061 ,  H04B7/0636 ,  H04B7/0654 ,  Y02D70/1242 ,  Y02D70/1244 ,  Y02D70/444

    摘要： The performance of closed loop transmit diversity (CLTD) systems may be improved, in accordance with aspects of the present invention, by encoding antenna control information fed back from a mobile station to a base station. As compared to prior art CLTD systems that send antenna control bits in unencoded feedback messages, encoding the antenna control information may result in reduced feedback delays and reduced transmission power. Further, in accordance with some aspects of the present invention, the antenna control bits may be fed back to the base station on a common feedback channel also used to feed back channel quality indication, thus reducing processing overhead.

    摘要翻译： 根据本发明的方面，通过将从移动台反馈的天线控制信息编码到基站，可以改善闭环发射分集（CLTD）系统的性能。 与在未编码的反馈消息中发送天线控制位的现有技术的CLTD系统相比，对天线控制信息进行编码可能导致反馈延迟减小和传输功率降低。 此外，根据本发明的一些方面，天线控制位可以在也用于反馈信道质量指示的公共反馈信道上反馈给基站，从而减少处理开销。

    Network controlled fast cell switching
    3.
    发明授权
    Network controlled fast cell switching 有权
    网络控制的快速小区切换

    公开(公告)号：US07079848B2

    公开(公告)日：2006-07-18

    申请号：US10117498

    申请日：2002-04-05

    申请人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H04M1/00 ,  H04Q7/00 ,  G21C17/00

    CPC分类号： H04W28/14 ,  H04W36/18 ,  H04W36/30 ,  H04W48/20

    摘要： A method that globally allocates resources of a communication system. A global fast scheduler receives global CQI information from UEs of a communication system. The global fast scheduler determines a resource allocation value and assigns a UE to any available cell site that is a member of the active set of the UE and which can service the UE in accordance with the determined resource allocation value.

    摘要翻译： 全球分配通信系统资源的方法。 全局快速调度器从通信系统的UE接收全球CQI信息。 全局快速调度器确定资源分配值，并将UE分配给作为UE的活动组的成员的任何可用小区站点，并且可以根据所确定的资源分配值来为UE服务。

    Adaptive hybrid retransmission method for wireless communications
    4.
    发明授权
    Adaptive hybrid retransmission method for wireless communications 有权
    用于无线通信的自适应混合重传方法

    公开(公告)号：US07564827B2

    公开(公告)日：2009-07-21

    申请号：US10036927

    申请日：2001-10-19

    申请人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H04L12/26

    CPC分类号： H04L1/0003 ,  H04B7/264 ,  H04J13/16 ,  H04L1/1819 ,  H04L1/1858

    摘要： An adaptive incremental redundancy (i.e., Hybrid ARQ) method is described for retransmitting information in a communication channel of a wireless communication system. More specifically, code multiplexing is used within fixed length frames in order to change the number of codes, modulation, and coding on retransmissions to provide the desired redundancy for successful decoding. The operation of adaptive Hybrid ARQ in the code domain also provides finer granularity in which to efficiently transmitting redundancy. In one illustrative embodiment, a method for retransmitting information in a communication channel having a plurality of fixed length frames each divided into a plurality of time slots of equal duration includes the step of code multiplexing a retransmission of a previous transmission within one of the fixed length frames using one or more of a plurality of codes. The number of codes used for the retransmission is variable based on the condition of the communication channel.

    摘要翻译： 描述了在无线通信系统的通信信道中重新发送信息的自适应增量冗余（即，混合ARQ）方法。 更具体地，在固定长度帧内使用码复用，以便改变重传次数，调制和编码，以提供用于成功解码的所需冗余。 代码域中自适应混合ARQ的操作也提供了更精细的粒度，有效地传输冗余。 在一个说明性实施例中，一种用于在具有多个固定长度帧的通信信道中重传信息的方法，每个多个固定长度帧被分成多个相等持续时间的时隙包括以下步骤：将固定长度之一内的先前传输的重传 使用多个代码中的一个或多个的帧。 用于重传的代码数量根据通信信道的状况而变化。

    Error detection methods in wireless communication systems
    5.
    发明授权
    Error detection methods in wireless communication systems 有权
    无线通信系统中的错误检测方法

    公开(公告)号：US07162675B2

    公开(公告)日：2007-01-09

    申请号：US10115967

    申请日：2002-04-05

    申请人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H03M13/00 ,  H04L1/18

    CPC分类号： H04L1/006 ,  H03M13/09 ,  H03M13/2975 ,  H03M13/39 ,  H03M13/41 ,  H04L1/0051 ,  H04L1/0054 ,  H04L1/0065 ,  H04L1/0072 ,  H04L1/1812

    摘要： The error detection method includes decoding a portion of each control channel that is simultaneously received by a user equipment (UE) in a wireless communication system. The UE is provided with techniques to determine if one or more of the control channels were successfully received during the decoding step. If more than one control channel was successfully received, the method selects only one of the successfully received control channels based on calculated path metric differences (PMD) that serve as a “tie-breaking” mechanism to select the correct control channel for a particular UE.

    摘要翻译： 误差检测方法包括在无线通信系统中解码由用户设备（UE）同时接收的每个控制信道的一部分。 向UE提供了确定在解码步骤期间是否成功接收到一个或多个控制信道的技术。 如果成功接收到多于一个的控制信道，则该方法基于所计算的路径度量差（PMD）仅选择一个成功接收的控制信道，该路径度量差（PMD）作为“断开”机制，以选择特定UE的正确控制信道 。

    Method and apparatus for feedback error detection in a wireless communications systems
    6.
    发明授权
    Method and apparatus for feedback error detection in a wireless communications systems 有权

    公开(公告)号：US07116944B2

    公开(公告)日：2006-10-03

    申请号：US10351914

    申请日：2003-01-27

    申请人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H04B7/00 ,  H04M1/00

    CPC分类号： H04B7/0634 ,  H04B7/0654 ,  H04B7/0665

    摘要： Errors in closed loop transmit diversity (CLTD) feedback signaling may be detected and/or corrected by a mobile station, according to aspects of the present invention, based on signals received from a base station. The mobile station is generally configured to compute antenna weights to be applied at the base station and feed back corresponding antenna control bits to the base station, as in conventional CLTD systems. However, rather than automatically process subsequent transmissions received from the base station as if the base station properly received the antenna control bits and applied the computed antenna weights, the mobile station attempts to determine the antenna weights actually applied at the base station, and uses these determined antenna weights for processing the subsequent transmissions. Accordingly, even if a feedback signaling error occurred, resulting in the base station using the wrong antenna weights, the mobile station may properly process the transmissions. According to some aspects of the present invention, the base station transmits (feeds forward) antenna control bits actually received from the mobile station on a feed forward channel, and the mobile station processes subsequent transmissions using antenna weights generated based on the fed forward antenna control bits.

    Method for encoding and decoding control information in a wireless communications system
    7.
    发明授权
    Method for encoding and decoding control information in a wireless communications system 有权
    在无线通信系统中编码和解码控制信息的方法

    公开(公告)号：US07573942B2

    公开(公告)日：2009-08-11

    申请号：US09991111

    申请日：2001-11-16

    申请人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H04L27/00

    CPC分类号： H04L1/0006 ,  H04L1/0045 ,  H04L1/0059 ,  H04L1/0071 ,  H04L1/0072

    摘要： A method for processing control information in a wireless communications system is described in which portions of the control information are separately encoded and decoded such that transmission format information for a corresponding data transmission can be determined with a reduced set of decoded control information. The control information is convolutionally coded using either a single set of tail bits or by judiciously dispersing the tail bits among different portions of the encoded signaling information.

    摘要翻译： 描述了一种在无线通信系统中处理控制信息的方法，其中控制信息的哪些部分被分别编码和解码，使得可以用缩减的解码控制信息集来确定相应数据传输的传输格式信息。 控制信息使用一组尾部比特或通过在编码的信令信息的不同部分中明智分散尾部比特来进行卷积编码。

    Shared signaling for multiple user equipment
    8.
    发明授权
    Shared signaling for multiple user equipment 有权
    用于多用户设备的共享信令

    公开(公告)号：US07508804B2

    公开(公告)日：2009-03-24

    申请号：US10115966

    申请日：2002-04-05

    申请人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    发明人： Arnab Das ,  Farooq Ullah Khan ,  Ashwin Sampath ,  Hsuan-Jung Su

    IPC分类号： H04B7/216

    CPC分类号： H04W48/12 ,  H04W52/143 ,  H04W52/241 ,  H04W52/286 ,  H04W52/322

    摘要： A composite signaling message part is formed to include at least two segments, each segment including data identifying a different user equipment (UE). The part further includes a cyclic redundancy code (CRC) generated by jointly encoding the at least two segments. In a further aspect of the method, more than one shared control channel jointly carrying a signaling message are power controlled such that each shared control channel carrying more data associated with one of the UEs is power controlled in accordance with that UE.

    摘要翻译： 复合信令消息部分形成为包括至少两个段，每个段包括标识不同用户设备（UE）的数据。 该部分还包括通过联合编码至少两个段来生成的循环冗余码（CRC）。 在该方法的另一方面，联合承载信令消息的多于一个共享控制信道被功率控制，使得携带与一个UE相关联的更多数据的每个共享控制信道根据该UE进行功率控制。