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1.
公开(公告)号:US20180302134A1
公开(公告)日:2018-10-18
申请号:US15531363
申请日:2015-11-18
发明人: Shaoli KANG , Fei QIN , Xiaoming DAI , Ying PENG
IPC分类号: H04B7/0456 , H04W72/04
CPC分类号: H04B7/0465 , H04B7/0486 , H04J11/0026 , H04J13/16 , H04W72/0473
摘要: A method and a device for configuring and determining a code superposition-based multiuser encoding mode are provided. The configuring method includes steps of: determining, by a network device, UEs by which an identical transmission resource is to be multiplexed; and configuring, by the network device, different columns in a preconfigured encoding matrix formed through multiuser code superposition for the UEs, so as to enable each UE to transmit data in accordance with an encoding mode corresponding to the column configured by the network device, at least two columns in the encoding matrix having different diversity orders.
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公开(公告)号:US20180083802A1
公开(公告)日:2018-03-22
申请号:US15561357
申请日:2016-01-27
发明人: Shaoli KANG , Bin REN , Hao LIU , Qiong LI , Qiubin GAO
CPC分类号: H04L25/0204 , H04B7/04 , H04B7/0452 , H04B7/0617 , H04B7/0802 , H04B7/0848 , H04J15/00 , H04L5/0001 , H04L5/0005
摘要: A signal detection method and a signal detection device are provided. The signal detection method includes steps of: performing channel estimation based on a signal received by each of antennae, to acquire a channel estimation matrix for transmitters multiplexing on identical time-frequency resources on each of the antennae; determining an equivalent Pattern Division Multiple Access (PDMA) channel estimation matrix for each of the antennae based on a PDMA encoding matrix, and acquiring an equivalent multi-antenna PDMA channel estimation matrix for all the antennae based on the equivalent PDMA channel estimation matrix for each of the antennae; performing a joint detection based on the equivalent multi-antenna PDMA channel estimation matrix, an equivalent multi-antenna received signal vector and a set of constellation points of the transmitters multiplexing on the identical time-frequency resources, to acquire Log Likelihood Ratios (LLRs) for the transmitters; and decoding the LLRs for the transmitters, to acquire multi-user information at transmitting end.
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公开(公告)号:US20170294989A1
公开(公告)日:2017-10-12
申请号:US15507702
申请日:2015-08-14
发明人: Li CHEN , Bin JIAO , Shaoli KANG , Fei QIN
摘要: Embodiments of the present application relate to the technical field of wireless communications, and particularly to a method and device for data transmission, which are used to solve the problem in the prior art that a retransmission mechanism of an LTE system can meet general requirements for delay and reliability of the LTE but cannot meet higher requirements for delay and reliability caused by the application of new services. The method in the embodiments of the present invention comprises: a receiving side receives data from a sending side through multiple paths, the received data of each path being identical; and the receiving side performs multi-path data combination on the received data. According to the embodiments of the present invention, data is transmitted between a sending side and a receiving side through multiple paths, and data transmitted through each path is identical, so that the purpose of retransmission for many times is achieved, different radio channels can be fully utilized for connection, and the reliability of data transmission can be ensured with low requirements for delay.
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4.
公开(公告)号:US20200092822A1
公开(公告)日:2020-03-19
申请号:US15749772
申请日:2016-06-08
发明人: Shaoli KANG , Xiaodong SUN , Hao LIU , Bin REN , Qiubin GAO
摘要: An uplink power allocation method, an uplink power allocation device and an uplink power allocation system are provided. The uplink power allocation method includes: determining users to be paired, based on locations of the users within the cell; determining Patten Division Multiple Access (PDMA) pattern matrixes, allocating different PDMA pattern vector groups for the users respectively, and obtaining a power control pattern matrix based on the PDMA pattern vector groups; and determining power control factors of the users in each pair based on the power control pattern matrix, and determining an uplink transmission power of each user based on the power control factors.
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5.
公开(公告)号:US20180234948A1
公开(公告)日:2018-08-16
申请号:US15750826
申请日:2016-07-29
发明人: Bin REN , Shaoli KANG , Hao LIU , Yang SONG , Qiubin GAO
CPC分类号: H04W72/04 , H04J15/00 , H04L5/0048 , H04L25/0224 , H04W64/00 , H04W74/08 , H04W88/08
摘要: The present disclosure discloses an uplink detection method and device in a NOMA system. The method includes: performing pilot activation detection on each terminal in a first terminal set corresponding to a NOMA transmission unit block repeatedly until a detection end condition is met, wherein the first terminal set includes terminals that may transmit uplink data on the NOMA transmission unit block; performing channel estimation on each terminal in a second terminal set that determined through the pilot activation detection within each repetition period, wherein the second terminal set includes terminals that have actually transmitted uplink data on the NOMA transmission unit block; and detecting and decoding a data channel of each terminal in the second terminal set within each repetition period.
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6.
公开(公告)号:US20180131433A1
公开(公告)日:2018-05-10
申请号:US15564196
申请日:2016-03-23
发明人: Shaoli KANG , Bin REN , Yang SONG
CPC分类号: H04B7/0639 , H04B1/71072 , H04B7/0663 , H04J13/16 , H04L1/00 , H04L5/0007 , H04L5/0016 , H04L25/0204 , H04L25/03006 , H04L2025/03605
摘要: A data transmission method includes steps of: acquiring, by a network side, a current data transmission rule, the current data transmission rule including a mapping relationship between currently-scheduled K UEs and data layers on N transmission resources corresponding to a selected encoding matrix, one UE at least occupying one data layer; and transmitting, by the network side, data to the K UEs in accordance with the current data transmission rule.
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公开(公告)号:US20190289574A1
公开(公告)日:2019-09-19
申请号:US16349164
申请日:2017-08-22
发明人: Tie LI , Shanzhi CHEN , Shaoli KANG , Bin REN , Yanping XING , Zheng ZHAO
摘要: An uplink scheduling-free transmission method and an uplink scheduling-free transmission device are provided. The uplink scheduling-free transmission method includes: dividing, by a base station, MA resources into groups of MA resources, and configuring, by the base station, the groups of MA resources to obtain at least two groups of MA resource pools, wherein at least parts of respective MA resources in the at least two groups of MA resource pools are different from each other; and notifying, by the base station, a UE of the at least two groups of MA resource pools, to enable the UE to select an MA resource pool from the at least two groups of MA resource pools, wherein the selected MA resource pool is to be used by the UE.
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公开(公告)号:US20170353906A1
公开(公告)日:2017-12-07
申请号:US15531413
申请日:2015-11-10
发明人: Li CHEN , Fei QIN , Shaoli KANG , Bin JIAO
摘要: A method and a device for data transmission are provided. A transmission device determines a plurality of wireless links through which data is to be transmitted between the transmission device and a reception device, and transmits physical-layer transmission blocks including identical data packets to the reception device through the determined wireless links.
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公开(公告)号:US20170155484A1
公开(公告)日:2017-06-01
申请号:US15322079
申请日:2015-06-16
发明人: Shaoli KANG , Shaohui SUN , Xiaoming DAI
摘要: According to embodiments of the present disclosure, a transmitting device processes the signals transmitted by one or more UEs, maps the non-orthogonal characteristic patterns for the processed signals for the one or more UEs so as to superpose the signals for different UEs on the corresponding radio resources, and transmits the processed signals for the one or more UEs in accordance with a mapping result.
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公开(公告)号:US20180205506A1
公开(公告)日:2018-07-19
申请号:US15744525
申请日:2016-07-29
发明人: Bin REN , Shaoli KANG , Fei QIN , Shaohui SUN , Qiubin GAO
CPC分类号: H04L5/0001 , H04L5/0007 , H04L5/0037 , H04L5/0048 , H04L25/0204 , H04L25/0224 , H04W72/044
摘要: The present disclosure relates to the field of wireless communication technology, and provides a data transmission method and a data transmission device, so as to solve the problem in the related art where, for 5G application scenarios, in the case that an uplink scheduling algorithm for a conventional 4G system continues to be used, a large number of control signaling overheads are required due to the meteoric growth in the number of UEs to be connected. In the present disclosure, a network side device determines non-orthogonal multiple access basic transmission units allocated to UEs, detects a pilot signal from each UE on the corresponding non-orthogonal multiple access basic transmission unit, and in the case that the pilot signal has been detected, performs data detection on the UE which has transmitted the pilot signal through the non-orthogonal multiple access basic transmission unit.
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