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41.发明申请公开(公告)号：US20200373980A1
公开(公告)日：2020-11-26
申请号：US16989888
申请日：2020-08-11
Applicant: Sony Corporation
Inventor： Jinhui CHEN , Xin GUO , Chen SUN
Abstract: Aspects of the disclosure include an apparatus at base station side in a wireless communication system for multi-user superposition transmission. The apparatus includes a superposition control unit and an indication generation unit. The superposition control unit is configured to insert, into a data stream of each user equipment in a group of user equipment comprising a plurality of user equipment, a demodulation reference signal corresponding to the data stream, and superpose demodulation reference signals corresponding to data streams of respective user equipment. The indication generation unit is configured to generate, for at least a first user equipment among the plurality of user equipment, an indication regarding a demodulation reference signal corresponding to a data stream of other user equipment among the plurality of user equipment, to assist the first user equipment in demodulating data transmitted in the multi-user superposition transmission.
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公开(公告)号：US20200322880A1
公开(公告)日：2020-10-08
申请号：US16910256
申请日：2020-06-24
Applicant: Sony Corporation
Inventor： Chen SUN , Jinhui CHEN
Abstract: Disclosed are a device and a method for allocating physical cell identifier (PCI) of a mobile base station. The device comprises: an acquiring unit configured to acquire location and movement speed of the mobile base station; a determining unit configured to determine a valid time interval for PCI of the mobile base station based on at least one of the location and the movement speed; an information collection unit configured to collect information relating to network configuration within a predetermined range where the mobile base station is located when the valid time interval is expired; and a PCI determining unit configured to determine the PCI of the mobile base station based on the information relating to network configuration within the predetermined range where the mobile base station is located.
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公开(公告)号：US20200236560A1
公开(公告)日：2020-07-23
申请号：US16634887
申请日：2018-10-19
Applicant: Sony Corporation
Inventor： Youping ZHAO , Jingyun WANG , Chen SUN , Xin GUO
Abstract: The present disclosure provides an electronic device and method for wireless communication. The electronic device comprises: a processing circuit configured to determine a collaborative access point set for users within a predetermined range by using a wireless network topology of a wireless network as a state, and to redetermine the collaborative access point set for the users in response to a change in the wireless network topology, wherein the wireless network topology comprises a user distribution and an access point distribution.
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44.发明申请公开(公告)号：US20200177349A1
公开(公告)日：2020-06-04
申请号：US16779683
申请日：2020-02-03
Applicant: Sony Corporation
Inventor： Chen SUN , Bingshan HU
Abstract: An electronic device and a user equipment in a wireless communication system and a wireless communication method. The electronic device includes: one or more processing circuits configured to acquire NACK information indicating an information transmission failure between a transmitting end and a receiving end in a wireless communication system and to acquire failure cause information indicating a cause of the information transmission failure, wherein the cause of the information transmission failure is classified as a link quality cause or a non-link quality cause; and when the cause of the information transmission failure is determined to be the non-link quality cause, generating spectrum sensing parameter information to adjust a spectrum sensing parameter at the transmitting end to increase a probability of successful information transmission between the transmitting end and the receiving end.
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公开(公告)号：US20190335476A1
公开(公告)日：2019-10-31
申请号：US16505715
申请日：2019-07-09
Applicant: Sony Corporation
Inventor： Youping ZHAO , Yiqi HU , Chen SUN , Xin GUO
Abstract: The present disclosure provides a radio resource management system and method. The radio resource management system includes a control device for determining, based on geographical location information of at least one secondary system and at least one primary system managed by the radio resource management system, a radio resource available to the at least one secondary system among licensed radio resources of the at least one primary system when the primary system is not interfered with, the control device including a selection unit for selecting at least one object liable to be interfered with by the secondary system managed by another radio resource management system from the at least one primary system, from the at least one secondary system, or from the at least one primary system and the at least one secondary system based on the geographical location information; and a communication device for transmitting the geographical location information of the at least one object selected by the selection unit to the another radio resource management system. The present disclosure can reduce an information interaction between radio resource management systems.
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Patent Agency Ranking
公开(公告)号：US20190273548A1
公开(公告)日：2019-09-05
申请号：US16417659
申请日：2019-05-21
Applicant: Sony Corporation
Inventor： Jinhui CHEN , Xin GUO , Yuxin WEI , Chen SUN
IPC: H04B7/06 , H04L1/00 , H04L5/00 , H04L25/02 , H04B7/0456
Abstract: A wireless communication device and a wireless communication method. The wireless communication device includes one or more processors. The processor is configured to estimate an equivalent channel from a base station to user equipment based on a user equipment specific reference signal from the base station, and generate, according to the estimated equivalent channel, a channel state indication used to be fed back to the base station.
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公开(公告)号：US20190223028A1
公开(公告)日：2019-07-18
申请号：US16358720
申请日：2019-03-20
Applicant: Sony Corporation
Inventor： Chen SUN , Xin GUO , Zhongbin QIN , Yuxin WEI
CPC classification number: H04W16/16 , H04W16/14 , H04W16/32 , H04W72/085
Abstract: A base station control method for a wireless communication system, a base station control apparatus, a wireless communication system and an electronic device. The wireless communication system includes a small cell. The base station control apparatus includes an upper limit determination unit and a frequency band control unit; wherein the upper limit determination unit is configured to determine the upper limit of the estimated number of small cells using unlicensed frequency bands in a target region according to available unlicensed frequency band resources and estimated service volume in the target region; and the frequency band control unit is configured to control one or more small cells to use or stop using the unlicensed frequency bands according to the upper limit of the estimated number, so that the number of small cells operating at the unlicensed frequency bands is not greater than the upper limit of the estimated number.
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48.发明申请公开(公告)号：US20190190576A1
公开(公告)日：2019-06-20
申请号：US16223141
申请日：2018-12-18
Applicant: SONY CORPORATION
Inventor： Jinhui CHEN , Xin GUO , Chen SUN
Abstract: Aspects of the disclosure include an apparatus at base station side in a wireless communication system for multi-user superposition transmission. The apparatus includes a superposition control unit and an indication generation unit. The superposition control unit is configured to insert, into a data stream of each user equipment in a group of user equipment comprising a plurality of user equipment, a demodulation reference signal corresponding to the data stream, and superpose demodulation reference signals corresponding to data streams of respective user equipment. The indication generation unit is configured to generate, for at least a first user equipment among the plurality of user equipment, an indication regarding a demodulation reference signal corresponding to a data stream of other user equipment among the plurality of user equipment, to assist the first user equipment in demodulating data transmitted in the multi-user superposition transmission.
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49.发明申请公开(公告)号：US20190166505A1
公开(公告)日：2019-05-30
申请号：US16313475
申请日：2017-07-12
Applicant: Sony Corporation
Inventor： Youping ZHAO , Jingyun WANG , Chen SUN , Xin GUO
IPC: H04W16/14 , H04B17/391 , H04W16/18
Abstract: Provided in the present disclosure are a wireless scene identification apparatus and method for performing identification on the scene category of a predetermined wireless scene, and a wireless communication device and system. The wireless scene identification apparatus comprises: a processing circuit, configured to classify, on the basis of features extracted from environment parameters in a predetermined wireless scene, wireless channel conditions of wireless signals in the predetermined wireless scene by means of a plurality of trained classifiers, and perform decision fusion on the classification results of the plurality of classifiers, so as to classify the wireless channel conditions as wireless channel conditions in the predetermined plurality of wireless channel conditions.
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50.发明申请公开(公告)号：US20180368148A1
公开(公告)日：2018-12-20
申请号：US16110195
申请日：2018-08-23
Applicant: Sony Corporation
Abstract: A system that receives a request for resources from a first system of a plurality of systems having different levels of priority; identifies resources that are available in a second system different from the plurality of systems based on the received request; and determines whether to adjust a resource assigned to the plurality of systems based on the priority level of the first system and the resources that are available in the second system.
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