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1. WO2018126940 - ELECTRONIC DEVICE, RADIO COMMUNICATION APPARATUS, AND RADIO COMMUNICATION METHOD

Publication Number WO/2018/126940
Publication Date 12.07.2018
International Application No. PCT/CN2017/118509
International Filing Date 26.12.2017
IPC
H04B 7/0456 2017.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
0413MIMO systems
0456Selection of precoding matrices or codebooks, e.g. using matrices for antenna weighting
H04L 1/06 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
02by diversity reception
06using space diversity
CPC
H04B 7/024
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
022Site diversity; Macro-diversity
024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
H04B 7/0456
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
0413MIMO systems
0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
H04B 7/046
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
0413MIMO systems
0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
046taking physical layer constraints into account
H04B 7/086
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
08at the receiving station
0837using pre-detection combining
0842Weighted combining
086using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
H04B 7/0897
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
08at the receiving station
0891Space-time diversity
0897using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
H04L 1/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
02by diversity reception
06using space diversity
Applicants
  • 索尼公司 SONY CORPORATION [JP]/[JP] (AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CA, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IR, IS, IT, JO, JP, KE, KG, KH, KM, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, ZA, ZM, ZW)
  • 张在琛 ZHANG, Zaichen [CN]/[CN] (US)
  • 曾嵘 ZENG, Rong [CN]/[CN] (US)
  • 呂本舜 LU, Pen-Shun [CN]/[CN] (US)
  • 孙晨 SUN, Chen [CN]/[CN] (US)
Inventors
  • 张在琛 ZHANG, Zaichen
  • 曾嵘 ZENG, Rong
  • 呂本舜 LU, Pen-Shun
  • 孙晨 SUN, Chen
Agents
  • 北京集佳知识产权代理有限公司 UNITALEN ATTORNEYS AT LAW
Priority Data
201710011214.206.01.2017CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) ELECTRONIC DEVICE, RADIO COMMUNICATION APPARATUS, AND RADIO COMMUNICATION METHOD
(FR) DISPOSITIF ÉLECTRONIQUE, APPAREIL ET PROCÉDÉ DE RADIOCOMMUNICATION
(ZH) 电子装置、无线通信设备和无线通信方法
Abstract
(EN)
The disclosure relates to an electronic device, radio communication apparatus, and radio communication method. In one embodiment, an electronic device utilized at base station side comprises a processing circuit configured to: acquire information of an arrival time difference of diversity signals transmitted from two or more base stations to a mobile terminal; determine, on the basis of the information, a precoding matrix utilized in diversity signal transmission to reduce an impact of the arrival time difference on a diversity gain; and utilize the determined precoding matrix to perform precoding on a signal to be transmitted.
(FR)
La présente invention se rapporte à un dispositif électronique, à un appareil de radiocommunication et à un procédé de radiocommunication. Selon un mode de réalisation, un dispositif électronique utilisé côté station de base comprend un circuit de traitement configuré de sorte : à acquérir des informations d'une différence de temps d'arrivée de signaux de diversité transmis par au moins deux stations de base à un terminal mobile; à déterminer, sur la base des informations, une matrice de pré-codage utilisée dans une transmission de signal de diversité pour réduire un impact de la différence de temps d'arrivée sur un gain de diversité; à utiliser la matrice de pré-codage déterminée pour effectuer un pré-codage sur un signal à transmettre.
(ZH)
本公开涉及电子装置、无线通信设备和无线通信方法。根据一个实施例,一种用于基站侧的电子装置包括处理电路,该处理电路被配置为:获取有关从两个或更多个基站发送的分集信号到移动终端的到达时间差的信息;基于信息确定用于分集信号发送的预编码矩阵,使得减小由到达时间差对分集增益造成的影响;以及利用所确定的预编码矩阵对要发送的信号进行预编码。
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