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公开(公告)号：US20170272130A1
公开(公告)日：2017-09-21
申请号：US15504962
申请日：2014-12-17
Applicant: ZTE Corporation
Inventor： Shaopeng WANG , Hongfeng QIN
CPC classification number: H04B7/024 , H04B7/0617 , H04B7/0634 , H04L5/0073 , H04W72/082 , H04W84/045 , Y02D70/00 , Y02D70/1262 , Y02D70/1264 , Y02D70/442 , Y02D70/444
Abstract: The disclosure discloses a method and device for forming a multi-cell beam. The method includes: a beam forming vector bq of each coordination cell in a heterogeneous network is calculated according to a principle of maximizing a signal intensity of a coordination cell scheduling user and minimizing a weighted interference leakage of the coordination cell scheduling user to other coordination cell scheduling users; and the beam forming vector bq of corresponding coordination cell is updated according to a calculation result, to enable each coordination cell to transmit data to a corresponding scheduling user according to updated beam forming vector bq.
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2.发明申请Coordinated Beamforming Method and Apparatus Based on Partial Interference Alignment 审中-公开基于部分干扰对准的协调波束成形方法和装置公开(公告)号：US20160337008A1
公开(公告)日：2016-11-17
申请号：US15109820
申请日：2014-07-17
Applicant: ZTE Corporation
Inventor： Bin LI , Guomei ZHANG , Xuelei LV , Guobing LI , Hongfeng QIN
CPC classification number: H04B7/024 , H04B7/0456 , H04B7/26 , H04B15/00
Abstract: A coordinated beamforming method and apparatus based on partial interference alignment, the method includes: selecting an optimal partial interference alignment mode from selectable partial interference alignment modes of terminals covered by base stations in a coordinating cluster of a coordinated multiple points transmission according to a chordal distance criterion; and transmitting, by the base stations, signals to the terminals by adopting the optimal partial interference alignment mode.
Abstract translation: 一种基于部分干扰对准的协调波束形成方法和装置，所述方法包括：根据弦距离从协调多点传输的协调簇中的基站覆盖的终端的可选部分干扰对准模式中选择最佳部分干扰对准模式 标准; 并且通过采用最佳部分干扰对准模式，由基站向终端发送信号。
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Patent Agency Ranking
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
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。
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4.发明申请Method, Device and System for Detecting Random Access Signal in Interference Environment 审中-公开用于检测干扰环境中随机接入信号的方法，装置和系统公开(公告)号：US20170019929A1
公开(公告)日：2017-01-19
申请号：US15123682
申请日：2014-08-22
Applicant: ZTE CORPORATION
Inventor： Wenfang WANG , Shaopeng WANG , Hongfeng QIN
CPC classification number: H04W74/0833 , H04B1/1027 , H04J11/005 , H04L27/2663 , H04L27/2672 , H04L27/2675 , H04L27/2688 , H04L27/2691 , H04W74/004
Abstract: A method, device and system for detecting a random access signal in an interference environment. The method includes: receiving a time-domain random access signal to obtain a frequency-domain random access signal; obtaining interference cancelling weights according to the frequency-domain random access signal and a frequency-domain local cyclic shift sequence, and performing interference cancelling on the frequency-domain random access signal with obtained interference cancelling weight; and performing peak detection on the frequency-domain random access signal after interference cancelling. The device includes an obtaining module configured to receive a time-domain random access signal to obtain a frequency-domain random access signal; an interference cancellation module configured to calculate interference cancelling weights according to the frequency-domain random access signal and a frequency-domain local cyclic shift sequence, and perform interference cancelling on the frequency-domain random access signal; and a detection module configured to perform peak detection on the frequency-domain random access signal after interference cancelling.
Abstract translation: 一种用于在干扰环境中检测随机接入信号的方法，装置和系统。 该方法包括：接收时域随机接入信号以获得频域随机接入信号; 根据频域随机接入信号和频域本地循环移位序列获得干扰消除权重，并对获得的干扰消除权重对频域随机接入信号进行干扰消除; 并且在干扰消除之后对频域随机接入信号执行峰值检测。 该装置包括获取模块，被配置为接收时域随机接入信号以获得频域随机接入信号; 干扰消除模块，被配置为根据频域随机接入信号和频域本地循环移位序列计算干扰消除权重，并对频域随机接入信号执行干扰消除; 以及检测模块，被配置为在干扰消除之后对频域随机接入信号执行峰值检测。
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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
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。
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公开(公告)号：US20170201397A1
公开(公告)日：2017-07-13
申请号：US15319950
申请日：2014-08-27
Applicant: ZTE CORPORATION
Inventor： Wenfang WANG , Shaopeng WANG , Hongfeng QIN
CPC classification number: H04L25/085 , H04J11/005 , H04L25/022 , H04L27/26 , H04L27/265 , H04L27/2663 , H04W74/08 , H04W74/0833
Abstract: A method for detecting a random access signal includes: determining a temporary peak detection sequence according to a received time domain random access signal; determining an interference cancellation weight for a frequency domain cyclic shift sequence corresponding to a search window in the temporary peak detection sequence, and performing interference cancellation on the temporary peak detection sequence according to the interference cancellation weight, obtaining a final peak detection sequence; and performing peak detection on the final peak detection sequence. An apparatus and system for detecting a random access signal are also described.
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公开(公告)号：US20160329946A1
公开(公告)日：2016-11-10
申请号：US15109842
申请日：2014-06-13
Applicant: ZTE CORPORATION
Inventor： Bin LI , Gangming LV , Ying HUANG , Guomei ZHANG , Hongfeng QIN
CPC classification number: H04B7/0632 , H04B7/0617 , H04B7/0619 , H04W88/08
Abstract: A method and a base station for implementing coordinated beamforming are disclosed. The method includes: a base station acquiring a transmitting beamforming vector in a current time slot according to a receiving beamforming vector estimate value of each interference terminal; shared in a previous time slot; and each base station acquiring a receiving beamforming vector estimate value in the current time slot according to the transmission beamforming vector in the current time slot and an interference vector shared in the previous time slot, and sharing the acquired receiving beamforming vector estimate value and an interference vector in the current time slot. The technical scheme provided by the embodiment of the present document considers the receiving beamforming vector in an associated coordinated beamforming scheme based on a maximized SLNR criterion, and only two kinds of information, i.e., receiving beamforming vector estimate value and interference vectors are shared between coordinating base stations.
Abstract translation: 公开了一种用于实现协调波束形成的方法和基站。 该方法包括：基站根据每个干扰终端的接收波束形成向量估计值，获取当前时隙中的发射波束成形向量; 在以前的时间段内共享; 并且每个基站根据当前时隙中的传输波束形成向量和在前一时隙中共享的干扰向量获取当前时隙中的接收波束形成向量估计值，并且共享所获取的接收波束形成向量估计值和干扰 向量在当前时隙。 本文实施例提供的技术方案基于最大化的SLNR标准考虑了相关协调波束成形方案中的接收波束成形向量，并且只有两种信息，即接收波束形成向量估计值和干扰向量在协调之间共享 基站
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