公开(公告)号：US20180159660A1

公开(公告)日：2018-06-07

申请号：US15718523

申请日：2017-09-28

Applicant: MING JIA ,  JIANGLEI MA

Inventor： MING JIA ,  JIANGLEI MA

IPC: H04L1/00 ,  H03M13/29

CPC classification number: H04L1/0058 ,  H03M13/1515 ,  H03M13/2906 ,  H03M13/6306 ,  H04L1/0041 ,  H04L1/0061 ,  H04L1/0064 ,  H04L1/18 ,  H04L1/1812 ,  H04L1/1835

Abstract: Embodiments relate to outer coding in communications between a first network device and a second network device. A transport block (TB) and a first parity code block that is based on contents of the TB are transmitted from the first network device to the second network device. The first network device receives feedback information that is transmitted from the second network device. The feedback information indicates a decoding failure of the TB. The first network device generates a second parity check CB that is based on the contents of the TB and is different from the first parity check CB and transmits the second parity check CB to the second network device. The second network device receives the second parity check CB and performs error detection decoding of the TB based on the second parity check CB.

公开(公告)号：US20120087442A1

公开(公告)日：2012-04-12

申请号：US13068836

申请日：2009-09-21

Applicant: HUA XU ,  JIANGLEI MA ,  DONG-SHENG YU ,  MING JIA ,  AARON CALLARD ,  MOHAMMADHADI BALIGH

Inventor： HUA XU ,  JIANGLEI MA ,  DONG-SHENG YU ,  MING JIA ,  AARON CALLARD ,  MOHAMMADHADI BALIGH

IPC: H04L27/00

CPC classification number: H04L5/005 ,  H04B7/0413 ,  H04B7/0684 ,  H04B7/0691 ,  H04L5/0023 ,  H04L5/0051

Abstract: A method of operation of a MIMO transmitter, in a cellular network supporting both legacy standard-compliant mobile terminals and next generation standard-compliant mobile terminals, the method comprising defining a matrix of resource blocks within an information channel of the cellular network, wherein each resource block corresponds to a region of subcarriers of a transmission timeslot at a given frequency subband; assigning a first set of reference signals (RSs) for the legacy standard-compliant mobile terminals to resource blocks at specific locations within the matrix to be transmitted by the MIMO transmitter, the specific locations being defined by, the legacy standard; and assigning a second set of RSs for the next-generation standard-compliant mobile terminals to other resource blocks within the matrix to be transmitted by the MIMO transmitter.

Abstract translation: 一种在支持传统标准兼容移动终端和下一代标准兼容移动终端的蜂窝网络中的MIMO发射机的操作方法，所述方法包括定义蜂窝网络的信息信道内的资源块矩阵，其中每个 资源块对应于给定频率子带处的传输时隙的子载波的区域; 将传统标准兼容移动终端的第一组参考信号（RS）分配给由MIMO发射机发送的矩阵内的特定位置处的资源块，所述特定位置由传统标准定义; 以及将下一代标准兼容移动终端的第二组RS分配给由MIMO发射机发送的矩阵内的其他资源块。

公开(公告)号：US20090225891A1

公开(公告)日：2009-09-10

申请号：US12468624

申请日：2009-05-19

Applicant: JIANGLEI MA ,  MING JIA ,  PEIYING ZHU ,  WEN TONG

Inventor： JIANGLEI MA ,  MING JIA ,  PEIYING ZHU ,  WEN TONG

IPC: H04J11/00 ,  H04B7/02

CPC classification number: 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

Abstract: A method and apparatus are provided for reducing the number of pilot symbols within a MIMO-OFDM communication system, and for improving channel estimation within such a system. For each transmitting antenna in an OFDM transmitter, pilot symbols are encoded so as to be unique to the transmitting antenna. The encoded pilot symbols are then inserted into an OFDM frame to form a diamond lattice, the diamond lattices for the different transmitting antennae using the same frequencies but being offset from each other by a single symbol in the time domain. At the OFDM receiver, a channel response is estimated for a symbol central to each diamond of the diamond lattice using a two-dimensional interpolation. The estimated channel responses are smoothed in the frequency domain. The channel responses of remaining symbols are then estimated by interpolation in the frequency domain.

Abstract translation: 提供了一种用于减少MIMO-OFDM通信系统内的导频符号的数量并改善这种系统内的信道估计的方法和装置。 对于OFDM发射机中的每个发射天线，导频符号被编码为对于发射天线是唯一的。 然后将编码的导频符号插入到OFDM帧中以形成菱形晶格，使用相同频率的不同发射天线的菱形晶格，但是在时域中通过单个符号彼此偏移。 在OFDM接收机处，使用二维插值来估计针对钻石晶格的每个菱形的中心的符号的信道响应。 估计的信道响应在频域中被平滑化。 然后通过在频域中的内插来估计剩余符号的信道响应。

公开(公告)号：US20210099330A1

公开(公告)日：2021-04-01

申请号：US16585553

申请日：2019-09-27

Applicant: NUWAN SURESH FERDINAND ,  MING JIA ,  JIANGLEI MA

Inventor： NUWAN SURESH FERDINAND ,  MING JIA ,  JIANGLEI MA

IPC: H04L27/26 ,  H04L25/03

Abstract: A system and method are provided for processing symbols for transmission. A set of 2K outputs is produced that includes K real components and K imaginary components from K complex symbols. A Fourier transform operation on the 2K outputs produces 2K Fourier transform outputs. Transmit pulse shaping is applied to the 2K Fourier transform outputs. The transmit pulse shape may be Nyquist or non-Nyquist. An inverse Fourier transform operation on the J pulse shaped outputs produces an inverse Fourier transform output. In the receiver, equalization is performed to remove the effect of both the channel and the transmit pulse shape. Nyquist pulse shaping is performed by applying a Nyquist pulse shape prior to converting back to time domain. The approach avoids self-interference, even in situations where the transmit pulse shape is non-Nyquist. The transmitter is free to select a pulse shape to optimize PAPR without being concerned with interference.

公开(公告)号：US20190312694A1

公开(公告)日：2019-10-10

申请号：US16369023

申请日：2019-03-29

Applicant: MING JIA ,  JIANGLEI MA ,  ALIREZA BAYESTEH ,  SANJEEWA HERATH

Inventor： MING JIA ,  JIANGLEI MA ,  ALIREZA BAYESTEH ,  SANJEEWA HERATH

IPC: H04L5/00 ,  H04L1/00 ,  H04L27/26

Abstract: A bit-level operation may be implemented prior to modulation and resource element (RE) mapping in order to generate a NoMA transmission using standard (QAM, QPSK, BPSK, etc.) modulators. In this way, the bit-level operation is exploited to achieve the benefits of NoMA (e.g., improved spectral efficiency, reduced overhead, etc.) at significantly less signal processing and hardware implementation complexity. The bit-level operation is specifically designed to produce an output bit-stream that is longer than the input bit-stream, and that includes output bit-values that are computed as a function of the input bit-values such that when the output bit-stream is subjected to modulation (e.g., m-ary QAM, QPSK, BPSK), the resulting symbols emulate a spreading operation that would otherwise have been generated from the input bit-stream, either by a NoMA-specific modulator or by a symbol-domain spreading operation.

公开(公告)号：US20180241603A1

公开(公告)日：2018-08-23

申请号：US15782400

申请日：2017-10-12

Applicant: MING JIA ,  JIANGLEI MA

Inventor： MING JIA ,  JIANGLEI MA

IPC: H04L27/26

CPC classification number: H04L27/2614 ,  H04J13/0062 ,  H04J2011/0009 ,  H04L25/03834 ,  H04L27/2613 ,  H04L27/2634 ,  H04L27/2636 ,  H04L27/2666

Abstract: Aspects of the description provide a method and devices to allow frequency domain spectral shaping (FDSS) to be used on both a reference sequence and data to enable low PAPR. Being able to use FDSS on both the reference sequence and data allows the FDSS to be transparent to the receiver. The method comprises obtaining a first sequence, wherein the first sequence is a base sequence of a set of base sequences, the set of base sequences comprising sub group base sequences, the first sequence obtained by cyclically repeating the sub group sequences at least once; and transmitting, by the device, a reference signal based on the first sequence.

公开(公告)号：US20160226680A1

公开(公告)日：2016-08-04

申请号：US15015641

申请日：2016-02-04

Applicant: MING JIA ,  JIANGLEI MA ,  WEN TONG

Inventor： MING JIA ,  JIANGLEI MA ,  WEN TONG

IPC: H04L25/03 ,  H04L27/26

CPC classification number: H04L25/03343 ,  H04L25/0222 ,  H04L25/03006 ,  H04L27/2605 ,  H04L27/2607 ,  H04L27/2636 ,  H04L2025/03414 ,  H04L2025/03796

Abstract: An apparatus and method for transmitting data with conditional zero padding is provided. In accordance with an embodiment of the disclosure, a transmitter transmits data to a receiver by transmitting symbols such that each symbol is preceded by a cyclic prefix of a fixed length and the symbol conditionally includes enough zero padding to avoid ISI (Inter-Symbol Interference) between consecutive symbols. In some implementations, if the fixed length for cyclic prefixes is long enough to avoid ISI between consecutive symbols, then the symbols may omit zero padding. Otherwise, the symbols may include enough zero padding to avoid ISI between consecutive symbols. The zero padding may be zero tail or zero head.

Abstract translation: 提供了一种用条件零填充发送数据的装置和方法。 根据本公开的实施例，发射机通过发送符号将数据发送到接收机，使得每个符号之前是固定长度的循环前缀，并且符号有条件地包括足够的零填充以避免ISI（符号间干扰） 连续符号之间。 在一些实现中，如果循环前缀的固定长度足够长以避免连续符号之间的ISI，则符号可以省略零填充。 否则，符号可以包括足够的零填充以避免连续符号之间的ISI。 零填充可以是零尾或零头。

公开(公告)号：US20130028122A1

公开(公告)日：2013-01-31

申请号：US13618926

申请日：2012-09-14

Applicant: JIANGLEI MA ,  HANG ZHANG ,  PEIYING ZHU ,  MO-HAN FONG ,  WEN TONG ,  MING JIA

Inventor： JIANGLEI MA ,  HANG ZHANG ,  PEIYING ZHU ,  MO-HAN FONG ,  WEN TONG ,  MING JIA

IPC: H04W72/04 ,  H04J1/00 ,  H04J3/00 ,  H04W24/00 ,  H04B7/14

CPC classification number: H04W72/06 ,  H04B7/2606 ,  H04B7/2615 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0226 ,  H04L25/0232 ,  H04L25/03866 ,  H04L27/2613 ,  H04L27/2655 ,  H04W16/26 ,  H04W52/34 ,  H04W84/047

Abstract: Methods and systems are provided for use with wireless networks having one or more cell in which each cell includes a base station (BS), at least one relay station (RS) and at least one mobile station (MS). The at least one relay station can be used as an intermediate station for providing communication between the BS and MS. Methods are provided for an RS to initially access the network, access of the RS by MSs initially accessing the network, methods of allocating OFDM resources for communicating between the BS, RS and/or MS for example dividing transmission resources into uplink and downlink transmissions, and methods of inserting pilot symbols into transmission resources used by the RS. In some embodiments on the invention, the methods are consistent and/or can be used in conjunction with existing standards such as 802.16e.

Abstract translation: 方法和系统被提供用于具有一个或多个小区的无线网络，其中每个小区包括基站（BS），至少一个中继站（RS）和至少一个移动台（MS）。 所述至少一个中继站可以用作在BS和MS之间提供通信的中间站。 提供了用于RS初始接入网络的方法，初始访问网络的MS接入RS的方法，用于分配用于BS，RS和/或MS之间通信的OFDM资源的方法，例如将传输资源划分为上行链路和下行链路传输， 以及将导频符号插入到由RS使用的传输资源中的方法。 在本发明的一些实施例中，所述方法是一致的和/或可以与诸如802.16e的现有标准结合使用。

公开(公告)号：US20120051457A1

公开(公告)日：2012-03-01

申请号：US13292643

申请日：2011-11-09

Applicant: JIANGLEI MA ,  MING JIA ,  WEN TONG ,  PEIYING ZHU ,  HANG ZHANG ,  MO-HAN FONG

Inventor： JIANGLEI MA ,  MING JIA ,  WEN TONG ,  PEIYING ZHU ,  HANG ZHANG ,  MO-HAN FONG

IPC: H04L27/00 ,  H04J4/00

CPC classification number: H04L5/0051 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0618 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/005 ,  H04L25/02 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/2647 ,  H04W52/325

Abstract: Aspects of the invention include methods and devices for inserting data and pilot symbols into Orthogonal Frequency Division Multiplexing (OFDM) frames having a time domain and a frequency domain. A method involves inserting in at least one zone of a first type a two dimensional array of data and pilot symbols in time and frequency and inserting in at least one zone of a second type a two dimensional array of data and pilot symbols in time and frequency. In some implementations the zone of the first type comprises common pilot symbols that can be detected by all receivers receiving the OFDM frame. In some implementations the zone of the second type comprises dedicated pilot symbols that are only detectable by a receiver that is aware of pre-processing used to encode the dedicated pilot symbols.

Abstract translation: 本发明的方面包括用于将数据和导频符号插入具有时域和频域的正交频分复用（OFDM）帧的方法和装置。 一种方法包括在时间和频率上插入数据和导频符号的二维阵列的第一类型的至少一个区域，并在第二类型的至少一个区域中插入时间和频率的数据和导频符号的二维阵列 。 在一些实现中，第一类型的区域包括可由接收OFDM帧的所有接收机检测的公共导频符号。 在一些实施方式中，第二类型的区域包括专用导频符号，其仅可以被知道用于对专用导频符号进行编码的预处理的接收机检测。

公开(公告)号：US20120039419A1

公开(公告)日：2012-02-16

申请号：US12806209

申请日：2009-09-24

Applicant: MOHAMMAD ALI MADDAH-ALI ,  SEYED ABOLFAZL MOTAHARI ,  AMIR KHANDANI ,  MOHAMMADHADI BALIGH ,  MING JIA ,  JIANGLEI MA ,  PEIYING ZHU ,  WEN TONG

Inventor： MOHAMMAD ALI MADDAH-ALI ,  SEYED ABOLFAZL MOTAHARI ,  AMIR KHANDANI ,  MOHAMMADHADI BALIGH ,  MING JIA ,  JIANGLEI MA ,  PEIYING ZHU ,  WEN TONG

IPC: H04L27/06

CPC classification number: H04L25/03343 ,  H04L5/0007 ,  H04L25/0204 ,  H04L25/0232

Abstract: A method and apparatus for transmitting and receiving a wireless transmission of a plurality of data streams in a wireless communication system having a plurality of nodes is disclosed. Each node has multiple antennas. The method involves receiving first and second data streams from respective first and second nodes at a receiver node, causing the receiver node to generate a receive filter for decoding each of the received data streams, and causing the receiver node to transmit receive filter information for each of the first and second data streams, the receive filter information facilitating precoding of the first and second data streams for simultaneous transmission within a common frequency band to the receiver node.

Abstract translation: 公开了一种用于在具有多个节点的无线通信系统中发送和接收多个数据流的无线传输的方法和装置。 每个节点有多个天线。 该方法包括从接收机节点处的相应第一和第二节点接收第一和第二数据流，使得接收机节点产生用于解码每个接收到的数据流的接收滤波器，并且使得接收机节点为每个接收节点发送接收滤波器信息 所述第一和第二数据流的接收滤波器信息有助于预编码第一和第二数据流，以在共同频带内同时传输到接收机节点。