Wireless communication method and wireless communication device

Abstract

Disclosed in the present invention are a wireless communication method and a wireless communication device. An electronic device in communication with a counterpart communication device comprises a processing circuit, the processing circuit being configured to: determine the state of a link between the electronic device and the counterpart communication device by means of measuring a link maintenance message transmitted by the counterpart communication device when a predetermined condition relative to the counterpart communication device is met, but not to transmit a feedback message for the link maintenance message, wherein the link maintenance message is used for confirming that the link is maintained between the electronic device and the counterpart communication device.

1 . An electronic device at a user equipment side, comprising circuitry configured to:
 perform groupcast communication with a plurality of counterpart communication devices including a first counterpart communication device and a second counterpart communication device;   not expect to receive, from the first counterpart communication device, a feedback on a message sent from the electronic device to the plurality of counterpart communication devices; and   expect to receive, from the second counterpart communication device, a feedback on the message sent from the electronic device to the plurality of counterpart communication devices.   
     
     
         2 . The electronic device according to  claim 1 , wherein
 the first counterpart communication device satisfies a predetermined condition while the second counterpart communication device doesn't satisfy the predetermined condition.   
     
     
         3 . The electronic device according to  claim 1 , wherein
 the circuitry is configured to generate an indication of expectation on the feedback of the message.   
     
     
         4 . The electronic device according to  claim 3 , wherein
 the feedback of the message is an ACK signal if a link between the electronic device and a counterpart communication device is well maintained.   
     
     
         5 . The electronic device according to  claim 1 , wherein
 the electronic device is implemented as the user equipment.   
     
     
         6 . The electronic device according to  claim 5 , wherein the plurality of counterpart communication devices are implemented as user equipment. 
     
     
         7 . The electronic device according to  claim 6 , wherein the electronic device is a relay user equipment, and the plurality of counterpart communication devices are remote user equipment. 
     
     
         8 . An electronic device at a user equipment side, comprising circuitry configured to:
 receive a groupcast message from a counterpart user equipment;   not transmit a feedback on the groupcast message to the counterpart user equipment if a predetermined condition between the counterpart user equipment and the electronic device is satisfied;   transmit a feedback on the groupcast message to the counterpart user equipment if a predetermined condition between the counterpart user equipment and the electronic device is not satisfied.   
     
     
         9 . The electronic device according to  claim 8 , wherein
 the circuitry is configured to receive an indication of expectation on the feedback of the message from the counterpart user equipment.   
     
     
         10 . The electronic device according to  claim 9 , wherein
 the feedback of the message is an ACK signal if a link between the electronic device and the counterpart user equipment is well maintained.   
     
     
         11 . The electronic device according to  claim 8 , wherein
 the electronic device is implemented as the user equipment.   
     
     
         12 . The electronic device according to  claim 11 , wherein the electronic device is a remote user equipment, and the counterpart user equipment is a relay remote user equipment. 
     
     
         13 . A method performed by an electronic device at a user equipment side, comprising:
 performing groupcast communication with a plurality of counterpart communication devices including a first counterpart communication device and a second counterpart communication device;   not expecting to receive, from the first counterpart communication device, a feedback on a message sent from the electronic device to the plurality of counterpart communication devices; and   expecting to receive, from the second counterpart communication device, a feedback on the message sent from the electronic device to the plurality of counterpart communication devices.   
     
     
         14 . A non-transitory, computer-readable medium storing instructions that, when executed by a computing device at a user equipment side, control the computing device to:
 perform groupcast communication with a plurality of counterpart communication devices including a first counterpart communication device and a second counterpart communication device;   not expect to receive, from the first counterpart communication device, a feedback on a message sent from the electronic device to the plurality of counterpart communication devices; and   expect to receive, from the second counterpart communication device, a feedback on the message sent from the electronic device to the plurality of counterpart communication devices.   
     
     
         15 . A method performed by an electronic device at a user equipment side, comprising:
 receiving a groupcast message from a counterpart user equipment;   not transmitting a feedback on the groupcast message to the counterpart user equipment if a predetermined condition between the counterpart user equipment and the electronic device is satisfied;   transmitting a feedback on the groupcast message to the counterpart user equipment if a predetermined condition between the counterpart user equipment and the electronic device is not satisfied.   
     
     
         16 . A non-transitory, computer-readable medium storing instructions that, when executed by a computing device at a user equipment side, control the computing device to:
 receive a groupcast message from a counterpart user equipment;   not transmit a feedback on the groupcast message to the counterpart user equipment if a predetermined condition between the counterpart user equipment and the electronic device is satisfied;   transmit a feedback on the groupcast message to the counterpart user equipment if a predetermined condition between the counterpart user equipment and the electronic device is not satisfied.