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公开(公告)号：US20180375633A1
公开(公告)日：2018-12-27
申请号：US16075141
申请日：2017-01-17
Inventor： Xuejuan GAO , Fang-chen CHENG , Xueming PAN , Shaohui SUN
Abstract: Disclosed are an uplink and downlink transmission resource allocation method and device. In this application, a first channel is transmitted on a specified time-frequency resource within a first channel transmitting period according to the first channel transmitting period. The first channel is at least used for notifying allocation information of an uplink transmission resource and a downlink transmission resource within the first channel transmitting period or an effective time period of the first channel, so that dynamic partitioning and notification of the uplink transmission resource and the downlink transmission resource are achieved.
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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
Inventor： Shaoli KANG , Shaohui SUN , Xiaoming DAI
Abstract: 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：US20200244336A1
公开(公告)日：2020-07-30
申请号：US16638121
申请日：2018-07-24
Inventor： Shanzhi CHEN , Shaohui SUN , Qiubin GAO
Abstract: Disclosed are a beam training method and device, and a communication system, used for reducing the overheads of a beam training process between a transmitting end and a receiving end. The present application provides a beam training method, the method comprising: a transmitting end determining a first mapping relationship between BPL identifiers and transmission beams; the transmitting end configuring a first reference signal resource for a receiving end, and transmitting configuration information concerning the first reference signal resource to the receiving end, the configuration information carrying a first BPL identifier.
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公开(公告)号：US20200235847A1
公开(公告)日：2020-07-23
申请号：US16652431
申请日：2018-09-07
Inventor： Jiaqing WANG , Di ZHANG , Fang-Chen CHENG , Shaohui SUN
Abstract: A polarized coding method and apparatus, an electronic device, and a storage medium are disclosed. The method comprises: determining fragmentation policies corresponding to sequences to be coded according to the lengths of the sequences to be coded and transmission rates; and performing corresponding processing on the sequences to be coded according to the segmentation policies, and performing polarized coding on the processed sequences to be coded. In embodiments of the present invention, fragmentation policies corresponding to sequences to be coded are determined according to the lengths of the sequences to be coded and transmission rates; and corresponding segmentation polices are determined according to the to-be-coded sequences having different lengths and different transmission rates, thereby ensuring performance of an uplink control channel.
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公开(公告)号：US20200076534A1
公开(公告)日：2020-03-05
申请号：US16490559
申请日：2018-02-12
Inventor： Jiaqing WANG , Shaohui SUN , Xueming PAN
Abstract: Disclosed are a polar code encoding method and device and a polar code decoding method and device. The polar code encoding method comprises: reading a known first sequence; and for an information sequence to be encoded, combining the information sequence with the first sequence, and performing polar code encoding on the combined sequence. In the polar code encoding method provided by embodiments of the present disclosure, a known first sequence is read and polar code encoding is performed on an information sequence and the first sequence. Thus, polar code encoding on the information sequence to be encoded is implemented, and a new polar code encoding solution is provided.
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Patent Agency Ranking
公开(公告)号：US20190280810A1
公开(公告)日：2019-09-12
申请号：US16345626
申请日：2017-10-27
Inventor： Xijin MU , Jiaqing WANG , Baoming BAI , Shaohui SUN
Abstract: A low density parity check code transmission method and device, for use in improving the anti-burst-error capability of a low density parity check code. The method provided by the present application comprises: an interleaver changes the sequence of bit streams of a low density parity check code according to a preset rule, and outputs to a modulator the low density parity check code the sequence of bit streams of which is changed; the modulator modulates the low density parity check code the sequence of bit streams of which is changed and then sends the modulated low density parity check code to a receive end by using a channel.
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7.发明申请公开(公告)号：US20190081765A1
公开(公告)日：2019-03-14
申请号：US16079969
申请日：2017-03-27
Inventor： Qianqian SI , Xueming PAN , Fangchen CHENG , Xuejuan GAO , Shaohui SUN
Abstract: A transmission resource indication method, a base station, a UE and a transmission resource indication system are provided. The transmission resource indication method includes: receiving, by a UE, DCI from a base station, the DCI including indication information indicating one or more of a TTI length for a transmission resource, a time-domain position of the transmission resource and a frequency-domain of the transmission resource; and determining, by the UE, the transmission resource in accordance with the indication information and performing transmission on the transmission resource.
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公开(公告)号：US20180331744A1
公开(公告)日：2018-11-15
申请号：US15774268
申请日：2016-10-26
Inventor： Qiubin GAO , Shanzhi CHEN , Runhua CHEN , Wenhong CHEN , Hui LI , Tamrakar RAKESH , Shaohui SUN
IPC: H04B7/06 , H04B7/0417 , H04B7/0456
Abstract: Disclosed are channel state information feedback and data transmission method and apparatus. The method comprises: determining a first codebook on a base station side, the first codebook being a set composed of precoding matrixes; determining a first codebook on a terminal side, the first codebook being a set composed of precoding matrixes; calculating channel state information according to the first codebooks; and feeding back the channel state information to a base station. Data transmission is performed on the terminal on the base station side, and in the data transmission process, some or all of the precoding matrixes in the first codebooks are utilized to perform processing, over a resource allocated to a terminal, on data to be transmitted. By using the present application, preceding matrixes needed for open-loop MIMO calculation can be determined, traversing of whole space is avoided, difficulties in system design and implementation are reduced, and the system performance is improved.
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公开(公告)号：US20180132132A1
公开(公告)日：2018-05-10
申请号：US15567016
申请日：2016-04-01
Inventor： Xueming PAN , Zukang SHEN , Shaohui SUN , Yanan LIN
CPC classification number: H04W28/06 , H04L5/0023 , H04L5/0053 , H04W72/04 , H04W72/0446 , H04W72/12 , H04W72/1205
Abstract: A method and device for transmitting data, which are used for solving the problems in the prior art that an existing frame structure would increase the user-plane delay of a TD-LTE system and decrease the system performance. A wireless frame transmitted between a network side device and a terminal comprises a reinforced sub-frame, and the reinforced sub-frame comprises a UL portion and a DL portion. A TDD frame structure of the embodiments of the present invention can decrease the user-plane delay on the basis of maintaining the service flexibility, and also can maintain the backward compatibility of a system.
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公开(公告)号：US20200177310A1
公开(公告)日：2020-06-04
申请号：US16623380
申请日：2018-04-20
Inventor： Jiaqing WANG , Fang-Chen CHENG , Di ZHANG , Shaohui SUN
Abstract: The present application relates to the technical field of wireless communication, and particularly relates to a channel encoding method and device, for use to solve the problem that at present, there is no physical broadcast channel polar encoding method in a 5G scene. Embodiments of the present application relate to determining a polar mother code length according to transmission resources of a channel; performing polar encoding, according to the polar mother code length, on data needing to be transmitted over the channel to obtain target encoding data; processing the target encoding data according to the length of an actual bearer of the transmission resources; and determining, according to the processed target encoding data, encoding data needing to be transmitted over the channel. The embodiments of the present application achieve determining encoding data according to an actual transmission resource length of a channel, so that the processed encoding data can be ensured to be accurately transmitted over the channel.
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