Electronic device, wireless communication method and computer-readable medium

Abstract

The present disclosure relates to an electronic device, a wireless communication method and a computer-readable medium. According to one embodiment, an electronic device for wireless communication comprises a processing circuit, wherein the processing circuit is configured to conduct control so as to send a reference signal for a direct link to the other user equipment or to receive same from the other user equipment; the processing circuit is also configured to conduct control so as to carry out beamforming-based direct link communication with the other user equipment; and at least one of a sending beam and a receiving beam for direct link communication is determined based on the measurement of the reference signal.

1 . An electronic device configured to operate as a user equipment for wireless communication, comprising processing circuitry configured to perform control to:
 perform beamforming-based sidelink communication with a second user equipment,   wherein the beamforming-based sideline communication includes determining a beam management mode based on at least one of position information of the user equipment or position information of the second user equipment.   
     
     
         2 . The electronic device of  claim 1 ,
 wherein the processing circuitry is configured to perform the beamforming-based sidelink communication with the second user equipment via a transmission beam and a reception beam,   wherein at least one of the transmission beam or the reception beam is determined based on the at least one of the position information of the second user equipment or the position information of the electronic device   
     
     
         3 . The electronic device of  claim 1 , wherein the processing circuitry is configured to determine the beam management mode for the sidelink communication from a predetermined set of beam management modes 
     
     
         4 . The electronic device of  claim 3 , wherein the beam management mode is determined from the predetermined set of beam management modes based on a stability of the sidelink communication, and
 wherein the predetermined set of beam management modes comprises:   a first beam management mode, in which the transmission beam is determined based on a measurement with respect to a corresponding transmission beam reference signal and the reception beam is determined based on a measurement with respect to a corresponding reception beam reference signal; and   a second beam management mode, in which only one of the transmission beam or the reception beam is determined based on the measurement with respect to the corresponding beam reference signal, and the other of the transmission beam or the reception beam is determined based on a criteria other than a measurement with respect to a beam reference signal.   
     
     
         5 . The electronic device of  claim 4 , wherein the transmission beam reference signal is one of a plurality of transmission beam reference signals, and the processing circuitry is configured to perform control to transmit, on a plurality of beams, the plurality of transmission beam reference signals which respectively correspond to the plurality of beams to the second user equipment. 
     
     
         6 . The electronic device of  claim 4 , wherein either of the transmission beam reference signal or the reception beam reference signal comprises a sounding reference signal, a sidelink synchronization signal or a sidelink beam management reference signal. 
     
     
         7 . The electronic device of  claim 4 , wherein the processing circuitry is further configured to perform control to transmit the transmission beam reference signal to the second user equipment along with at least one of the following information:
 a type of the transmission beam reference signal;   a time-frequency resource position of the transmission beam reference signal; or   a beam identification corresponding to the transmission beam reference signal.   
     
     
         8 . The electronic device of  claim 4 , wherein the either of the transmission beam reference signal or the reception beam reference signal is transmitted using a resource allocated by a base station 
     
     
         9 . The electronic device of  claim 4 , wherein the processing circuitry is configured to perform control to receive the reception beam reference signal from the second user equipment, and the processing circuitry is further configured to perform control to receive at least one of the following information transmitted by a base station:
 a type of the reception beam reference signal;   a time-frequency resource position of the reception beam reference signal; or   a beam identification corresponding to the reception beam reference signal   wherein the position information of the second user equipment and/or the position information of the electronic device comprises corresponding device longitude and latitude, orientation and speed information, and/or   wherein the processing circuitry is configured to perform control to broadcast the position information of the electronic device and/or receive broadcasted position information of the second user equipment.   
     
     
         10 . The electronic device of  claim 1 , wherein the processing circuitry is further configured to perform control to perform a reception beam scan, based on a failure of a sidelink communication through a current reception beam 
     
     
         11 . The electronic device of  claim 1 , wherein the processing circuitry is further configured to perform control to transmit indication information related to the beam management mode to the second user equipment 
     
     
         12 . The electronic device of  claim 4 , wherein the processing circuitry is configured to perform control to transmit the transmission beam reference signal to the second user equipment, and the processing circuitry is further configured to:
 perform control to receive feedback information transmitted by the second user equipment based on the measurement with respect to the transmission beam reference signal; and   determine the transmission beam based on the feedback information.   
     
     
         13 . The electronic device of  claim 4 , wherein the processing circuitry is configured to perform control to receive the reception beam reference signal from the second user equipment, and the processing circuitry is further configured to:
 perform control to perform the measurement with respect to the reception beam reference signal; and   determine the reception beam based on the measurement with respect to the reception beam reference signal.   
     
     
         14 . The electronic device of  claim 4 , wherein the transmission beam reference signal is one of a plurality of transmission beam reference signals, and the processing circuitry is configured to perform control to periodically transmit, on a plurality of beams, the plurality of transmission beam reference signals which respectively correspond to the plurality of beams to the second user equipment. 
     
     
         15 . The electronic device of  claim 4 , wherein the reception beam reference signal is one of a plurality of reception beam reference signals, and the processing circuitry is configured to perform control to perform measurement with respect to the plurality of reception beam reference signals which are periodically transmitted by the second user equipment on a plurality of beams and which respectively correspond to the plurality of beams 
     
     
         16 . The electronic device of  claim 1 , wherein the processing circuitry is further configured to perform control to receive indication information indicating a link failure which is transmitted by the second user equipment 
     
     
         17 . The electronic device of  claim 1 , wherein the processing circuitry is further configured to determine a recovery mode for the sidelink communication based on service requirements,
 wherein the recovery mode comprises one of:   a reselect-request recovery mode,   a multi-beam mode, or   a beam widening mode.   
     
     
         18 . The electronic device of  claim 1 , A method performed by an electronic device for a user equipment in a wireless communication, the method comprising:
 performing beamforming-based sidelink communication with a second user equipment,   wherein the performing the beamforming-based sideline communication includes determining a beam management mode based on at least one of position information of the user equipment or position information of the second user equipment.   
     
     
         19 . The electronic device of  claim 1 , A non-transitory computer readable product containing instructions to cause an electronic device for a user equipment in a wireless communication to perform a method, the method comprising:
 performing beamforming-based sidelink communication with a second user equipment,   wherein the performing the beamforming-based sideline communication includes determining a beam management mode based on at least one of position information of the user equipment or position information of the second user equipment.