公开(公告)号：US07872608B2

公开(公告)日：2011-01-18

申请号：US12231804

申请日：2008-09-05

Applicant: James Li ,  Jing Jiang

Inventor： James Li ,  Jing Jiang

IPC: H01Q1/24

CPC classification number: H01Q1/2291 ,  H01Q1/242 ,  H01Q1/36 ,  H01Q5/371 ,  H01Q5/40 ,  H01Q9/0464 ,  H01Q9/36 ,  H01Q21/28

Abstract: An antenna system includes first, second and third antennas that are arranged on a substrate. The first, second and third antennas include an arc-shaped element having a concave side and a convex side and a conducting element that extends substantially radially from a center of said concave side.

Abstract translation: 天线系统包括布置在基板上的第一，第二和第三天线。 第一，第二和第三天线包括具有凹面和凸面的弧形元件和从所述凹面的中心大致径向延伸的导电元件。

公开(公告)号：US20090073944A1

公开(公告)日：2009-03-19

申请号：US12209403

申请日：2008-09-12

Applicant: Jing Jiang ,  Pierre Bertrand ,  Tarik Muharemovic

Inventor： Jing Jiang ,  Pierre Bertrand ,  Tarik Muharemovic

IPC: H04W8/00

CPC classification number: H04J13/0062 ,  H04J11/00 ,  H04J13/22 ,  H04L5/0007

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 value and then produces a transmission signal by modulating the second sequence. The auxiliary value is selected from one of two sets based on a set indicator broadcast by the eNB

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，其使用接收到的第一序列的逻辑索引的指示和辅助值产生第二序列，然后通过调制第二序列来产生传输信号。 基于由eNB广播的设定指示符，从两组中选择一个辅助值

公开(公告)号：US20090040918A1

公开(公告)日：2009-02-12

申请号：US12139814

申请日：2008-06-16

Applicant: Jing Jiang ,  Tarik Muharemovic ,  Pierre Bertrand

Inventor： Jing Jiang ,  Tarik Muharemovic ,  Pierre Bertrand

IPC: H04J11/00

CPC classification number: H04B1/59

Abstract: This invention is a method for preamble detection with estimation of UE timing advance (TA) and channel quality information (CQI) which uses a sliding window to detect the preamble and estimate user timing advance and channel quality information. The window length is set to the cyclic prefix length of data transmission. A preamble detection threshold is computed semi-analytically according to noise sample statistics.

Abstract translation: 本发明是一种用于使用滑动窗口来检测前导码并估计用户定时提前和信道质量信息的UE定时提前（TA）和信道质量信息（CQI）的估计的前导码检测方法。 窗口长度设置为数据传输的循环前缀长度。 根据噪声样本统计，半解析地计算前导码检测阈值。

公开(公告)号：US20090002241A1

公开(公告)日：2009-01-01

申请号：US12215819

申请日：2008-06-30

Applicant: James Li ,  Jing Jiang

Inventor： James Li ,  Jing Jiang

IPC: H01Q1/38

CPC classification number: H01Q1/2291 ,  H01Q1/242 ,  H01Q1/36 ,  H01Q5/371 ,  H01Q5/40 ,  H01Q9/0464 ,  H01Q9/36 ,  H01Q21/28

Abstract: An antenna system includes first and second antennas that are arranged on a substrate and that include an arc-shaped element having a concave side and a convex side, a conducting element that extends substantially radially from a center of said concave side, and a U-shaped element having a base portion with a center that communicates with said conducting element and two side portions that extend from ends of said base portion towards said concave side. Third and fourth antennas are arranged on said substrate and include an inner ring and an outer ring that is concentric to said inner ring.

Abstract translation: 天线系统包括布置在基板上的第一和第二天线，其包括具有凹面和凸面的弧形元件，从所述凹面侧的中心大致径向延伸的导电元件， 所述基部具有与所述导电元件连通的中心的基部和从所述基部的端部朝向所述凹侧延伸的两个侧部。 第三和第四天线布置在所述基板上并且包括内环和与所述内环同心的外环。

公开(公告)号：US20080320363A1

公开(公告)日：2008-12-25

申请号：US11764876

申请日：2007-06-19

Applicant: Dake He ,  Ashish Jagmohan ,  Jing Jiang

Inventor： Dake He ,  Ashish Jagmohan ,  Jing Jiang

IPC: G06F11/10

CPC classification number: H03M13/1102 ,  H03M7/30 ,  H03M13/6312 ,  H03M13/6362

Abstract: A method of and system for rateless source coding are disclosed. The method comprises the steps of providing a set of low-density parity check (LDPC) codes, each of which accepts a range of data input lengths and a range of target compression rates; identifying a data input having a data input length; and identifying a desired compression rate. The method comprises the further steps of selecting one of said LDPC codes based on said data input length and desired compression rate; encoding the data input, using the selected LDPC code, to generate a sequence of data values; and puncturing some of said encoded data values to achieve the desired compression rate. Preferably, the encoding step includes the steps of generating a syndrome and a parity sequence from the data input, puncturing the generated parity sequence, and mixing a remaining portion of the data input with the punctuated parity sequence.

Abstract translation: 公开了一种用于无源源编码的方法和系统。 该方法包括以下步骤：提供一组低密度奇偶校验（LDPC）码，每一个码接受数据输入长度的范围和目标压缩率的范围; 识别具有数据输入长度的数据输入; 并识别期望的压缩率。 该方法包括以下步骤：基于所述数据输入长度和期望的压缩率来选择所述LDPC码之一; 使用所选择的LDPC码对数据输入进行编码，以生成数据值序列; 以及对某些所述编码的数据值进行穿孔以实现所需的压缩率。 优选地，编码步骤包括以下步骤：从数据输入产生校正子和奇偶校验序列，对所生成的奇偶校验序列进行穿孔，以及将输入的数据的剩余部分与标点奇偶校验序列进行混合。

公开(公告)号：US20080267161A1

公开(公告)日：2008-10-30

申请号：US12109520

申请日：2008-04-25

Applicant: Pierre Bertrand ,  Tarik Muharemovic ,  Jing Jiang

Inventor： Pierre Bertrand ,  Tarik Muharemovic ,  Jing Jiang

IPC: H04B7/212

CPC classification number: H04W16/02 ,  H04W74/008 ,  H04W74/0833 ,  H04W74/0866

Abstract: Embodiments of the present disclosure provide a base station sub-system, a method of allocating random access configurations and a method of downlink signaling of random access configurations. In one embodiment, the base station sub-system is for use in a wireless communication system and includes an allocator configured to allocate random access configurations having a plurality of time slots that use a single frequency resource. Additionally, the base station sub-system also includes a transmitter configured to signal at least one index of the random access configurations and a random access receiver balancing in time the processing load of the random access detection of different cells served by the base station.

Abstract translation: 本公开的实施例提供了一种基站子系统，分配随机接入配置的方法和随机接入配置的下行链路信令的方法。 在一个实施例中，基站子系统用于无线通信系统，并且包括配置为分配具有使用单个频率资源的多个时隙的随机接入配置的分配器。 另外，基站子系统还包括被配置为发送随机接入配置的至少一个索引的发射机和随机接入接收机在时间上平衡由基站服务的不同小区的随机接入检测的处理负载。

公开(公告)号：US07360187B2

公开(公告)日：2008-04-15

申请号：US11242599

申请日：2005-09-30

Applicant: Kevin D. Jones ,  Thomas J. Sheffler ,  Kathryn M. Mossawir ,  Qiang Hong ,  Paul Wong ,  Jing Jiang

Inventor： Kevin D. Jones ,  Thomas J. Sheffler ,  Kathryn M. Mossawir ,  Qiang Hong ,  Paul Wong ,  Jing Jiang

IPC: G06F17/50

CPC classification number: G06F17/504

Abstract: A method and system for formally verifying designs having elements from more than a single design domain is described. An example system allows formal verification of a design containing mixed analog and digital subparts. The system may use different proof engines to solve an appropriate sub-partition of the entire design, and may provide a framework for translating between the different domains to create a unified result. For example, a digital proof engine may be used for a digital only subpart, while an analog proof engine may be used for an analog only subpart. The system may use the partitioning results to determine translators between the various domains, and an order in which the proof engines are applied.

Abstract translation: 描述了用于正式验证来自多于单个设计域的元件的设计的方法和系统。 示例系统允许对包含混合模拟和数字子部件的设计进行形式验证。 系统可以使用不同的证明引擎来解决整个设计的适当子分区，并且可以提供用于在不同域之间进行翻译以创建统一结果的框架。 例如，数字证明引擎可以用于仅数字的子部件，而模拟证明引擎可以用于仅模拟子部件。 系统可以使用分区结果来确定各个域之间的翻译器以及应用证明引擎的顺序。

公开(公告)号：US20050229091A1

公开(公告)日：2005-10-13

申请号：US11089486

申请日：2005-03-24

Applicant: Krishna Narayanan ,  Jing Jiang ,  Nitin Nangare

Inventor： Krishna Narayanan ,  Jing Jiang ,  Nitin Nangare

IPC: G06F11/00 ,  H03M13/00 ,  H03M13/15 ,  H03M13/29 ,  H03M13/45

CPC classification number: H03M13/1191 ,  H03M13/1515 ,  H03M13/2957 ,  H03M13/458

Abstract: A method of decoding linear block code uses an iterative message passing algorithm with a binary image of a parity check matrix of the linear block code, wherein the parity check matrix is adapted from one iteration to another based on the reliabilities of bits in the linear block code. The adaptation involves reducing a submatrix corresponding to the less reliable bits in the linear block code to a sparse nature before applying the message passing algorithm in each iteration. An apparatus that performs the method is also provided and several variations of the algorithm are also provided.

Abstract translation: 解码线性块码的方法使用具有线性块码的奇偶校验矩阵的二进制图像的迭代消息传递算法，其中基于线性块中的比特的可靠性，奇偶校验矩阵从一次迭代适应于另一迭代 码。 该适应涉及在每次迭代中应用消息传递算法之前，将对应于线性块代码中较不可靠比特的子矩阵减少为稀疏性。 还提供了执行该方法的装置，并且还提供了该算法的几种变型。

公开(公告)号：US20200036477A1

公开(公告)日：2020-01-30

申请号：US16493364

申请日：2018-04-18

Applicant: Changlong XU ,  Jian LI ,  Chao WEI ,  Jing JIANG ,  Jilei HOU ,  Qualcomm Incorporated

Inventor： Changlong Xu ,  Jian Li ,  Chao Wei ,  Jing Jiang ,  Jilei Hou

IPC: H04L1/00 ,  H04B7/26 ,  H03M13/09 ,  H03M13/13 ,  G06F9/30 ,  H04W40/02

Abstract: Methods, systems, and devices for wireless communication are described for dynamic frozen bits of polar codes for early termination and performance improvement. A wireless device may receive a signal comprising a codeword encoded using a polar code. The wireless device may perform decoding of the codeword including at least: parity check of a first subset of decoding paths for making a decision on early termination of decoding of the codeword based on dynamic frozen bits, and generating path metrics for a second subset of the decoding paths that each pass the parity check based on the dynamic frozen bits, and performing error detection on a bit sequence corresponding to one of the second subset of the decoding paths based at part on error detection bits and the generated path metrics. The wireless device may process the information bits based on a result of the decoding.

公开(公告)号：US09313677B2

公开(公告)日：2016-04-12

申请号：US13259813

申请日：2010-05-10

Applicant: Jing Jiang ,  Changqing Zhu ,  Chenchen Zhang

Inventor： Jing Jiang ,  Changqing Zhu ,  Chenchen Zhang

IPC: H04W72/04 ,  H04W24/10 ,  H04L5/00 ,  H04L25/02

CPC classification number: H04W24/10 ,  H04L5/0048 ,  H04L25/0228

Abstract: A method and system for sending a channel measurement reference signal are provided, said method comprising: sending each port of the channel measurement reference signal in one subframe or two adjacent subframes during one sending period, and repeatedly sending each port of the channel measurement reference signal in full bandwidth with equal space in the unit of a predetermined composition unit.

Abstract translation: 提供了一种用于发送信道测量参考信号的方法和系统，所述方法包括：在一个发送周期期间在一个子帧或两个相邻子帧中发送信道测量参考信号的每个端口，并重复发送信道测量参考信号的每个端口 在具有相同空间的全带宽中以预定组合单元为单位。