公开(公告)号：US20150381328A1

公开(公告)日：2015-12-31

申请号：US14655730

申请日：2013-08-14

Applicant: ZTE CORPORATION

Inventor： Linmei MO ,  Yajun ZHAO ,  Baoyu SUN ,  Chen HUANG ,  Hanqing XU ,  Yujie LI ,  Hongfeng QIN ,  Guofeng CHEN ,  Hongfeng YUAN ,  Xin ZHANG

IPC: H04L5/00 ,  H04B1/04 ,  H04B7/04 ,  H04B7/08 ,  H04W72/08 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04L5/0035 ,  H04B1/0475 ,  H04B7/024 ,  H04B7/043 ,  H04B7/0632 ,  H04B7/0857 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0077 ,  H04L5/0048 ,  H04L5/006 ,  H04W72/082 ,  H04W88/08

Abstract: A method and base station for coordinated multi point data transmission are disclosed. The method includes: a base station receiving a per-cell CQI value reported by a UE; looking up an SINR-CQI mapping table according to the per-cell CQI value, and acquiring a subband/broadband SINR value; performing CQI recalculation according to the subband/broadband SINR value, and acquiring a recalculated subband/broadband CQI value; and selecting modulation and coding according to the recalculated subband/broadband CQI value to schedule data transmission. With the method and base station of the embodiments of the present document, in a CoMP system, in a joint transmission scenario, the accuracy of the CQI value used by the BS for scheduling is improved, and the oscillation during an AMC process is reduced.

Abstract translation: 公开了一种用于协调多点数据传输的方法和基站。 该方法包括：接收由UE报告的每小区CQI值的基站; 根据每个小区的CQI值查找SINR-CQI映射表，获取子带/宽带SINR值; 根据子带宽度SINR值进行CQI重新计算，获取重新计算的子带宽/宽带CQI值; 并根据重新计算的子带/宽带CQI值选择调制和编码以调度数据传输。 利用本文的实施例的方法和基站，在CoMP系统中，在联合传输场景中，提高了BS用于调度的CQI值的精度，并降低了AMC过程中的振荡。

公开(公告)号：US20210194533A1

公开(公告)日：2021-06-24

申请号：US17168615

申请日：2021-02-05

Applicant: ZTE Corporation

Inventor： Li TIAN ,  Zhifeng YUAN ,  Ziyang LI ,  Yuzhou HU ,  Jianqiang DAI ,  Chen HUANG

IPC: H04B1/69 ,  H04J13/16 ,  H04L1/00

Abstract: According to various implementations, a device, such as a wireless communication device, carries out the following actions: for each element of a spreading sequence to be applied, determining, based on the element, whether to carry out randomization on a coded data stream, in which each element of the spreading sequence belongs to the set {1, −1, j, −j}; for each element of the spreading sequence for which randomization is determined to be applied, applying, based on the value of the element, one or more randomization techniques to the coded data stream; modulating the coded data stream; and transmitting the modulated data stream.

公开(公告)号：US20210281345A1

公开(公告)日：2021-09-09

申请号：US17211496

申请日：2021-03-24

Applicant: ZTE CORPORATION

Inventor： Chen HUANG

IPC: H04J13/10 ,  H04L27/20 ,  H04L27/36

Abstract: This disclosure relates generally to wireless communications and, more particularly, to systems and methods for bit level processing to produce a scrambled data bit sequence that, after modulation, may produce a symbol sequence that matches a symbol sequence produced by symbol spreading. In one embodiment, a method performed by a communication device includes: encoding user data to produce a first data bit sequence; generating a result bit sequence based on a first scrambling bit sequence and the first data bit sequence; and transmitting a signal based on a scrambled data bit sequence scrambled with the result bit sequence.

公开(公告)号：US20160308741A1

公开(公告)日：2016-10-20

申请号：US15021381

申请日：2014-06-16

Applicant: ZTE CORPORATION

Inventor： Jiying XIANG ,  Peng GENG ,  Gang QIU ,  Zhen REN ,  Chen HUANG ,  Nan LI ,  Donglei CHEN

IPC: H04L12/26 ,  H04W72/04 ,  H04W28/16 ,  H04B7/155

CPC classification number: H04L43/08 ,  H04B7/155 ,  H04W28/16 ,  H04W72/0413

Abstract: Provided are an inter-eNodeB communication method and device, wherein the method includes that: an inter-eNodeB interface transmission condition is detected, a cooperation mode of inter-eNodeB communication is determined according to the inter-eNodeB interface transmission condition, and the inter-eNodeB communication is performed according to the cooperation mode. The present disclosure solves the problem of inter-eNodeB cooperation in different inter-eNodeB interface conditions in the related art, thus improving the effect of the inter-eNodeB cooperation.

Abstract translation: 提供了一种eNodeB间通信方法和装置，其中，所述方法包括：检测到eNodeB间接口发送条件，根据eNodeB间接口发送条件确定eNodeB间通信的协作模式， -eNodeB通信根据协作模式进行。 本公开解决了相关技术中在不同eNodeB间接口条件下的eNodeB间协作问题，从而提高了eNodeB间合作的效果。

公开(公告)号：US20160308648A1

公开(公告)日：2016-10-20

申请号：US15038044

申请日：2014-06-18

Applicant: ZTE CORPORATION

Inventor： Nan LI ,  Chen HUANG ,  Dongying ZHANG ,  Zhen REN ,  Peng GENG ,  Gang QIU ,  Yufeng RUAN ,  Fang ZHANG ,  Xi YUAN

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/02

CPC classification number: H04L5/0035 ,  H04B7/024 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0091 ,  H04W72/00 ,  H04W72/042

Abstract: The present document discloses a method, apparatus and system for indicating downlink resources of a coordinated multi-point network in an LTE system. The method includes: determining a control station/cell and a service station/cell of a User Equipment (UE); and indicating through signaling that a Physical Downlink Shared Channel (PDSCH) of the UE occupies radio resources of the service station/cell in a control region, whereby a start position of the PDSCH allocated for the UE by the service station/cell is the first symbol of a subframe, and when a resource mapping in the control region is performed, the PDSCH does not occupy Resource Elements (REs) occupied by a Cell Reference Signal (CRS), a Physical Control Format Indicator Channel (PCFICH), a Physical Hybrid-ARQ Indicator Channel (PHICH) of a station/cell where the PDSCH is located, and a Physical Downlink Control Channel PDCCH of the UE.

Abstract translation: 本文件公开了一种用于指示LTE系统中的协调多点网络的下行链路资源的方法，装置和系统。 该方法包括：确定用户设备（UE）的控制站/小区和服务站/小区; 并通过信令指示UE的物理下行链路共享信道（PDSCH）占用控制区域中的服务站/小区的无线资源，由服务站/小区为UE分配的PDSCH的起始位置是第一 子帧的符号，并且当执行控制区域中的资源映射时，PDSCH不占用由小区参考信号（CRS）占用的资源元素（RE），物理控制格式指示符信道（PCFICH），物理混合 -ARQ指示符信道（PHICH），以及PDSCH的物理下行链路控制信道PDCCH。

公开(公告)号：US20210351967A1

公开(公告)日：2021-11-11

申请号：US16325052

申请日：2017-08-11

Applicant: ZTE CORPORATION

Inventor： Chen HUANG

IPC: H04L27/26

Abstract: Provided are a multi-carrier signal generation method, apparatus, and system. The method comprises: according to property information of a subframe, determining filter configuration information corresponding to said subframe (101); according to the filter configuration information, obtaining a multi-carrier signal of the filter bank corresponding to each of the filter configuration information (102).

公开(公告)号：US20170149549A1

公开(公告)日：2017-05-25

申请号：US15319805

申请日：2014-10-20

Applicant: ZTE CORPORATION

Inventor： Chaowei WANG ,  Chen HUANG ,  Cheng WANG ,  Nan LI ,  Mingxia CAO ,  Tian CAI ,  Yihuai ZHANG

IPC: H04L5/14 ,  H04B7/0456 ,  H04B7/06 ,  H04B7/0452

CPC classification number: H04L5/14 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0626 ,  H04L25/03

Abstract: Disclosed are a method and apparatus for interference alignment based on codebook design and selection. The method includes: a codebook set including codebooks of different sizes of a precoding matrix is pre-designed or pre-stored; a receiver or a transmitter selects a codebook satisfying a specified condition from the codebook set to explicitly or implicitly notify the opposite end; the receiver designs, based on obtained ideal CSI and an interference alignment condition, a precoding matrix V and a receiving matrix U for interference alignment; the receiver selects a matrix V′ having the highest similarity to V from the current codebook to serve as a finally quantized precoding matrix V′; the receiver calculates, based on V′, U again to obtain a receiving matrix U′ according to the interference alignment condition; and the transmitter transmits a signal according to feedback information and V′, and the receiver filters the signal according to U′.

公开(公告)号：US20160308590A1

公开(公告)日：2016-10-20

申请号：US15102902

申请日：2014-06-16

Applicant: ZTE CORPORATION

Inventor： Chaowei WANG ,  Nan LI ,  Wanfang ZHANG ,  Cheng WANG ,  Xiao ZHANG ,  Shuai WANG ,  Chen HUANG

IPC: H04B7/04 ,  H04W72/08 ,  H04L5/00 ,  H04L1/00

CPC classification number: H04B7/0452 ,  H04B7/024 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04L1/0048 ,  H04L5/0037 ,  H04L5/0073 ,  H04L25/03343 ,  H04L25/03898 ,  H04W72/005 ,  H04W72/082 ,  H04W88/02 ,  H04W88/08

Abstract: Provided is a method for interference alignment applied to a multi-cell and multi-user Multiple Input Multiple Output (MIMO) system. The method includes that: a BS divides multiple users in a cell into a plurality of user groups, and notifies the multiple users of grouping information; and when one of the plurality of user groups is interfered by a neighbor cell, users in the one of the plurality of user groups cooperate with each other to perform interference alignment. The disclosure also provides a pre-coding method and system based on interference alignment. The disclosure, by means of grouping and cooperation of the users and designing of a receiving matrix of each user, achieves the effect of interference alignment in a signal transmission space of the BS.

Abstract translation: 提供了一种用于多小区和多用户多输入多输出（MIMO）系统的干扰对准的方法。 该方法包括：BS将小区中的多个用户划分为多个用户组，并向多个用户通知分组信息; 并且当所述多个用户组中的一个被相邻小区干扰时，所述多个用户组中的一个用户组中的用户彼此协作以执行干扰对准。 本公开还提供了基于干扰对准的预编码方法和系统。 通过用户的分组和协作以及每个用户的接收矩阵的设计，本发明实现了BS的信号传输空间中的干扰对准的效果。

公开(公告)号：US20150381246A1

公开(公告)日：2015-12-31

申请号：US14655731

申请日：2013-08-14

Applicant: ZTE CORPORATION

Inventor： Chen HUANG ,  Yajun ZHAO ,  Linmei MO ,  Hanqing XU ,  Baoyu SUN ,  Yujie LI ,  Hongfeng QIN ,  Guofeng CHEN ,  Hongfeng YUAN ,  Xin ZHANG

IPC: H04B7/04 ,  H04B7/06 ,  H04W74/00 ,  H04W72/04

CPC classification number: H04B7/0456 ,  H04B7/0486 ,  H04B7/0617 ,  H04W72/042 ,  H04W74/004 ,  H04W88/08

Abstract: Disclosed are a multi-antenna transmission method, a terminal and a base station, wherein, an eNB sends a UE a SRS transmission mode including new SRS transmission port information and/or a signaling for instructing the UE to perform antenna group alternate transmission as well as a control signaling required by the SRS transmission mode; the UE transmits a SRS using the abovementioned SRS transmission mode, and the eNB estimates a channel information according to the SRS and calculates and transmits a precoding matrix.

Abstract translation: 公开了一种多天线发送方法，终端和基站，其中，eNB向UE发送包括新的SRS发送端口信息的SRS发送模式和/或用于指示UE进行天线组交替发送的信令 作为SRS传输模式所需的控制信令; UE使用上述SRS传输模式发送SRS，并且eNB根据SRS估计信道信息，并计算并发送预编码矩阵。