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31. 发明授权

US11202227B2 Processing method and device for cache synchronous exception 有权
公开(公告)号：US11202227B2
公开(公告)日：2021-12-14
申请号：US16764849
申请日：2018-10-29
申请人： China Academy of Telecommunications Technology
发明人： Jiamin Liu , Haiyang Quan
IPC分类号： H04W28/04 , H04L1/18 , H04W28/06 , H04W80/02
摘要： Disclosed in the present disclosure are a processing method and device for a cache synchronous exception, for solving the problem that no solution for a compression check failure is available in the prior art. According to embodiments of the present disclosure, when caches are out of synchronization, a caching failure notification message is sent to a transmitting device; a reset processing is carried out on a compressed cache area, and a reset instruction is sent; and then subsequent data packet transmission is carried out by using reset cache areas. In the present disclosure, after it is determined that the caches are out of synchronization, the caching failure notification message is sent; the transmitting device performs a reset processing on the compressed cache area, and notifies a receiving device to carry out a reset processing on a decompressed cache area.

32. 发明授权

US11201774B2 Uplink waveform acquisition method, uplink waveform feedback method, terminal and base station 有权
公开(公告)号：US11201774B2
公开(公告)日：2021-12-14
申请号：US16347799
申请日：2017-11-02
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Yanping Xing , Tony Ekpenyong , Xueming Pan
IPC分类号： H04L27/00 , H04W92/10 , H04L27/26
摘要： An uplink waveform acquisition method, an uplink waveform feedback method, a terminal, and a base station are provided. The acquisition method includes: acquiring an uplink waveform for information transmission of a terminal; and performing information transmission according to the uplink waveform, wherein, the acquiring the uplink waveform, includes: determining the uplink waveform for current information transmission of the terminal, according to correspondence between uplink waveforms and preset conditions in communication protocols; or receiving information about the uplink waveform for information transmission of the terminal, the information about the uplink waveform being determined for the terminal and transmitted through a preset message by a network side; or receiving information about the uplink waveform for information transmission of the terminal, the information about the uplink waveform being fed back to the terminal by the network side according to reporting information from the terminal.

33. 发明授权

US11197320B2 Uplink transmission resource scheduling method and device, and uplink transmission method and device 有权
公开(公告)号：US11197320B2
公开(公告)日：2021-12-07
申请号：US15763091
申请日：2016-08-25
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Jiaqing Wang , Xueming Pan , Weijie Xu , Qianqian Si
IPC分类号： H04W74/08 , H04W72/04 , H04W72/12 , H04W72/14 , H04W74/00
摘要： Disclosed are an uplink transmission resource scheduling method and device, and an uplink transmission method and device, which are used for reserving an uplink transmission resource on an unlicensed carrier, enabling a user equipment (UE) not to transmit an uplink signal on the reserved resource and avoiding a case in which the scheduled UE cannot access a channel, and can realize time division multiplexing of uplink transmission resources on the unlicensed carrier. An uplink transmission resource scheduling method provided by the present application comprises: a base station determines a reserved resource in an uplink subframe, the reserved resource being a transmission resource on an unlicensed carrier; and the base station sends a notification about the reserved resource in the uplink subframe to a UE.

34. 发明申请

US20210376976A1 PILOT CONFIGURATION METHOD, CHANNEL MEASUREMENT METHOD, AND COMMUNICATION DEVICE 有权
公开(公告)号：US20210376976A1
公开(公告)日：2021-12-02
申请号：US16637752
申请日：2018-06-28
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Hui LI , Tamrakar RAKESH , Qiubin GAO , Runhua CHEN , Xin SU
IPC分类号： H04L5/00 , H04W24/08 , H04W72/04
摘要： Embodiments of the present application provide a pilot configuration method, a channel measurement method, and a communication device, for use in resolving the technical problem in an NR system that a terminal cannot determine the location of a time-frequency resource occupied by a CSI-RS. The pilot configuration method comprises: a base station determines configuration information of CSI-RSs of N ports according to a predefined CSI-RS configuration pattern of a system, wherein the CSI-RS configuration pattern is used for representing configurations for time-frequency locations of resource elements (REs) of the CSI-RSs of different ports in a time slot when at least one OFDM symbol in a PRB is used as a time domain unit, the configuration information at least comprises the number of ports and an index parameter, and the index parameter is used for indicating the time-frequency location of the RE of the CSI-RS of each of the N ports in the time slot; the base station transmits the configuration information to a terminal connected to the base station by signaling, and transmits the CSI-RSs according to the configuration information, so that the terminal determines the time-frequency locations of the REs of the CSI-RSs in the time slot according to the configuration information and the predefined CSI-RS configuration pattern of the system, and performs channel measurement by using the CSI-RSs at the time-frequency locations.

35. 发明授权

US11191020B2 Terminal state conversion method and apparatus 有权
公开(公告)号：US11191020B2
公开(公告)日：2021-11-30
申请号：US16321043
申请日：2017-05-15
申请人： China Academy of Telecommunications Technology
发明人： Li Chen , Chandrika Kumudinie Worrall
IPC分类号： H04L12/26 , H04W52/02 , H04W76/27 , H04W76/10
摘要： Disclosed are a terminal state conversion method and apparatus. A base station configures and sends a configuration policy for/to a terminal, wherein the configuration policy is a rule for determining that the terminal enters an inactive state; and a terminal in a connected state receives the configuration policy sent by the base station, and according to the configuration policy, enters the inactive state from the connected state. By means of the present invention, a terminal enters an inactive state from a connected state, and thus the terminal can perform rapid data transmission while saving power.

36. 发明授权

US11184809B2 Method for determining data forwarding tunnel, access and mobility management function entity, and base station 有权
公开(公告)号：US11184809B2
公开(公告)日：2021-11-23
申请号：US16758017
申请日：2018-08-28
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Jiancheng Sun , Hucheng Wang , Ying Wang
IPC分类号： H04W36/00
摘要： A method for determining a data forwarding tunnel, an AMF entity, and a base station (BS) are provided. The method includes: receiving data forwarding information of target UE forwarded by MME, and acquiring a QoS flow configured by a 5G core network for each bearer of the target UE, and mapping relationship between a bearer and a QoS flow, where the data forwarding information includes a list of bearers allocated by EPS to the target UE and an indication of a determination by a 4G BS as to whether each bearer of the target UE has data to forward; transmitting the data forwarding information, the configured QoS flow, and the mapping relationship to a target 5G BS; and receiving forwarding tunnel information of a 5G BS configured for the target UE by the target 5G BS according to the data forwarding information, the configured QoS flow, and the mapping relationship.

37. 发明申请

US20210345441A1 SESSION MANAGEMENT METHOD, MOBILITY MANAGEMENT FUNCTIONAL ENTITY AND SESSION MANAGEMENT FUNCTIONAL ENTITY 有权
公开(公告)号：US20210345441A1
公开(公告)日：2021-11-04
申请号：US16341790
申请日：2017-09-08
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Hucheng WANG
IPC分类号： H04W76/25 , H04W4/02 , H04W4/021 , H04W36/08 , H04W36/00 , H04W36/32 , H04W8/08
摘要： The present disclosure provides a session management method, a mobility management functional entity and a session management functional entity. The session management method includes: judging, by a mobility management functional entity, whether a UE has moved out of an allowed area; when the UE has moved out of the allowed area, determining, by the mobility management functional entity, a management message for a session of the UE; and transmitting, by the mobility management functional entity, the management message to a session management functional entity for serving the UE. The management message is adopted to trigger the session management functional entity to manage the session of the UE.

38. 发明申请

US20210344407A1 METHOD AND DEVICE FOR TRAINING DOWNLINK BEAMS 有权
公开(公告)号：US20210344407A1
公开(公告)日：2021-11-04
申请号：US16324880
申请日：2017-08-03
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Qiuping HUANG , Qiubin GAO , Runhua Chen , Hui Li , Rakesh Tamrakar , Yang Song , Xin Su , Yu Yang , Mengjun Wang , Chuanjun Li
IPC分类号： H04B7/08 , H04B7/0408 , H04B7/06
摘要： A method and a device for transmitting downlink reception beam training signals are provided. The method at the second device side includes: receiving a downlink reception beam training trigger notification message sent by a first device; receiving downlink reception beam training signals sent by the first device, based on the downlink reception beam training trigger notification message; and performing a downlink reception beam training based on the downlink reception beam training signals. The method at the first device side includes: sending a downlink reception beam training trigger notification message to a second device when determining that a downlink reception beam training is to be performed for the second device, and sending downlink reception beam training signals to the second device after the downlink reception beam training trigger notification message is sent to the second device.

39. 发明授权

US11166284B2 Data transmission method, terminal, and base station 有权
公开(公告)号：US11166284B2
公开(公告)日：2021-11-02
申请号：US16611206
申请日：2018-04-18
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Xuejuan Gao , Ekpenyong Tony , Fang-Chen Cheng
IPC分类号： H04W72/04 , H04L1/18 , H04W28/04
摘要： Disclosed are a data transmission method, a terminal, and a base station. Determined is that a TB needs to be divided into M CBG; grouping, according to a preset grouping scheme, multiple CB produced when the one TB is code block segmented, thus diving the one TB into the M CBG; and transmitting data according to the M CBG, where M is a positive integer. The technical solution of the present invention solves the technical problem of low data transmission efficiency and low resource utilization rate in an LTE system found in the prior art.

40. 发明授权

US11159299B2 Method and device for dividing short transmission time interval of special subframe 有权
公开(公告)号：US11159299B2
公开(公告)日：2021-10-26
申请号：US16480093
申请日：2018-02-08
申请人： CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
发明人： Xuejuan Gao , Xiangli Lin
IPC分类号： H04L5/00 , H04W72/04
摘要： A method and a device for dividing short TTIs of a special subframe are provided. The method includes: in a case that a configuration of a special subframe having a normal CP is used in downlink, and a DwPTS of the special subframe is used for short TTI transmission, dividing short TTIs in the DwPTS based on a predefined division pattern of short TTIs in a case that based on the configuration of the special subframe having the normal CP used in downlink and a length of a control region in the DwPTS, the DwPTS is determined to satisfy a division condition corresponding to the predefined division pattern of short TTIs.

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