Electronic device and communication method
The present disclosure relates to an electronic device and communication method. An electronic device used in a first terminal device side is configured for acquiring configuration information of reference signals of a second cell from a first control device of a first cell, measuring the reference signals based on the configuration information and feeding back information indicating the space beams in the second cell interfering with the first terminal device to the first control device.
1. An electronic device used in a second control device side of a wireless communication system including:
a memory for storing computer instructions; and
a processing circuit configured to perform the computer instructions stored thereon for:
notifying a first control device in the first cell adjacent to a second cell controlled by the second control device of configuration information of reference signals of the second cell, for a first terminal device in the first cell to determine interferences of space beams corresponded to the reference signals of the second cell to the first terminal device based on the configuration information;
acquiring information indicating the space beams interfering with the first terminal device in the second cell from the first control device; and
performing interference coordination between the first cell and the second cell based on the acquired information indicating the space beams interfering with the first terminal device,
wherein, performing interference coordination between the first cell and the second cell includes forbidding at least one of the space beams interfering with the first terminal device, and notifying one or more second terminal devices in the second cell of information indicating space beams to be forbidden, so that the one or more second terminal devices do not feedback information indicating those space beams to the second control device,
wherein, the second control device notifies the second terminal device in the second cell with a priority lower than a predetermined threshold of the information indicating space beams to be forbidden.
2. The electronic device according to claim 1 , wherein
the reference signals are beamformed channel state information reference signals CSI-RS, the information indicating the space beams interfering with the first terminal device includes CSI-RS resource indicator and the number of the second cell.
3. The electronic device according to claim 1 , wherein performing interference coordination between the first cell and the second cell includes:
the second control device performs coordination scheduling with the first control device so that the first control device and the second control device do not transmit control signals and/or data to the first terminal device on the same time-frequency resources or the first control device and the second control device transmit control signals and/or data to the first terminal device on the same time-frequency resources and different space beams.
4. The electronic device according to claim 1 , wherein
performing interference coordination between the first cell and the second cell in the case that the service priority of the first control device is higher than the service priority of the second control device, or
in the case that the second control device acquires a plurality pieces of information over a predetermined number indicating the space beams interfering with the first terminal device interfering reference signals from the first control device.
5. An electronic device used in a second terminal device side of a wireless communication system including:
a memory for storing computer instructions; and
a processing circuit configured to perform the computer instructions stored thereon for:
acquiring information indicating forbidden of the space beams in a second cell interfering with a first terminal device in a first cell from a second control device in the second cell, wherein the first cell is adjacent to the second cell, and the second terminal device is in the second cell; and
not feeding back information indicating space beams to be forbidden to the second control device to make the second control device forbid those space beams.
6. The electronic device according to claim 5 , wherein
not feeding back the information indicating space beams to be forbidden to the second control device in the case that the priority of the second terminal device is lower than a predetermined threshold.
7. An electronic device used in a first control device side of a wireless communication system including:
a memory for storing computer instructions; and
a processing circuit configured to perform the computer instructions stored thereon for:
acquiring configuration information of reference signals of a second cell from a second control device in the second cell adjacent to a first cell controlled by the first control device, for a first terminal device in the first cell to determine interferences of space beams corresponded to the reference signals of the second cell to the first terminal device based on the configuration information;
acquiring information indicating the space beams interfering with the first terminal device in the second cell from the first terminal device; and
performing interference coordination between the first cell and the second cell based on the acquired information indicating the space beams interfering with the first terminal device,
wherein performing interference coordination between the first cell and the second cell includes that the first control device notifies the second control device of the information indicating the space beams interfering with the first terminal device, for the second control device to forbid those space beams.
8. The electronic device according to claim 7 , wherein
the reference signals are beamformed channel state information reference signals CSI-RS, the information indicating the space beams interfering with the first terminal device includes CSI-RS resource indicator and the number of the second cell.
9. The electronic device according to claim 7 , wherein
performing interference coordination between the first cell and the second cell in the case that the service priority of the first control device is higher than the service priority of the second control device, or
in the case that the first control device acquires a plurality pieces of information over a predetermined number indicating the space beams interfering with the first terminal device from a plurality of the first terminal devices over the predetermined number.
10. The electronic device according to claim 7 , wherein performing interference coordination between the first cell and the second cell includes:
the first control device performs coordination scheduling with the second control device so that the first control device and the second control device do not transmit control signals and/or data to the first terminal device on the same time-frequency resources or the first control device and the second control device transmit control signals and/or data to the first terminal device on the same time-frequency resources and different space beams.
11. A communication method for a wireless communication system including:
a second terminal device acquires information indicating forbidden of the space beams in a second cell interfering with a first terminal device in a first cell from a second control device in the second cell, wherein the first cell is adjacent to the second cell, and the second terminal device is in the second cell; and
the second terminal device does not feedback information indicating space beams to be forbidden to the second control device to make the second control device forbid those space beams.
12. A non-transitory computer readable storage medium comprising executable instructions which, when executed by an information processing apparatus, cause the information processing apparatus to perform a communication method, the communication method comprising:
acquiring information indicating forbidden of the space beams in a second cell interfering with a first terminal device in a first cell from a second control device in the second cell, wherein the first cell is adjacent to the second cell, and the second terminal device is in the second cell; and
not feeding back information indicating space beams to be forbidden to the second control device to make the second control device forbid those space beams.