WIRELESS COMMUNICATION SYSTEM AND METHOD INCLUDING CO-TIME CO-FREQUENCY FULL DUPLEX COMMUNICATIONS

• US 20160156453A1
• Filed: 11/26/2015
• Published: 06/02/2016
• Est. Priority Date: 12/01/2014
• Status: Abandoned Application

• Current Assignee: Institute For Information Industry
• Original Assignee: Institute For Information Industry
• Inventors: CHIEN, Chun-Che, LIU, Shu-Tsz
• Application Number:
  US14/952,977
• Publication Number:
  US 20160156453A1
• Time in Patent Office: Days
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex

Abstract

A wireless communication system and method including co-time co-frequency full duplex (CCFD) communications are provided. The wireless communication system includes at least one user equipment and a communication device coupled with the at least one user equipment. The at least one user equipment is configured to provide at least one CCFD) measurement report. The communication device is configured to assign one of a symmetric CCFD communication mode, an asymmetric CCFD communication mode and a non-CCFD communication mode to each of the at least one user equipment. The wireless communication method includes the steps corresponding to the operations of the wireless communication system.

Claims

1. A wireless communication system including co-time co-frequency full duplex (CCFD) communications, comprising:

at least one user equipment (UE), being configured to provide at least one CCFD measurement report; and

a communication device coupled with the at least one UE, being configured to assign one of a symmetric CCFD communication mode, an asymmetric CCFD communication mode and a non-CCFD communication mode to each of the at least one UE according to the at least one CCFD measurement report;

wherein any of the at least one UE that corresponds to the symmetric CCFD communication mode performs a symmetric CCFD communication with the communication device;

any two of the at least one UE that correspond to the asymmetric CCFD communication mode perform an asymmetric CCFD communication with the communication device; and

any of the at least one UE that corresponds to the non-CCFD communication mode performs a non-CCFD communication with the communication device.

2. The wireless communication system of claim 1, wherein the at least one CCFD measurement report comprises location information of the at least one UE, traffic information of the at least one UE, uplink and downlink requirement information of the at least one UE, self-interference information of the at least one UE and mutual-interference information of the at least one UE.

3. The wireless communication system of claim 1, wherein the communication device further assigns resources to the symmetric CCFD communication mode, the asymmetric CCFD communication mode and the non-CCFD communication mode according to one of a frequency-division multiplexing technology and a time-division multiplexing technology.

4. The wireless communication system of claim 1, wherein the communication device is one of a base station and a UE.

5. The wireless communication system of claim 1, further comprising a relay device, wherein the at least one UE provides the at least one CCFD measurement report to the communication device via the relay device;

and the communication device assigns one of the symmetric CCFD communication mode, the asymmetric CCFD communication mode and the non-CCFD communication mode to each of the at least one UE via the relay device.

6. The wireless communication system of claim 1, wherein:

the communication device further assigns one of an asymmetric CCFD downlink communication mode and an asymmetric CCFD uplink communication mode to each of the UEs corresponding to the asymmetric CCFD communication mode during a time interval according to the at least one CCFD measurement report; and

the communication device further chooses at least one downlink UE from the UEs corresponding to the asymmetric CCFD downlink communication mode and chooses at least one uplink UE from the UEs corresponding to the asymmetric CCFD uplink communication mode for each of the asymmetric CCFD communications to satisfy a communication requirement during the time interval.

7. The wireless communication system of claim 6, wherein the at least one CCFD measurement report comprises location information of the at least one UE, traffic information of the at least one UE, uplink and downlink requirement information of the at least one UE, and mutual-interference information of the at least one UE.

8. The wireless communication system of claim 6, wherein if the communication requirement is not satisfied, the communication device re-assigns one of an asymmetric CCFD downlink communication mode and an asymmetric CCFD uplink communication mode to each of the UEs corresponding to the asymmetric CCFD communication mode.

9. The wireless communication system of claim 6, wherein the communication requirement is associated with at least one of traffic symmetry and mutual-interference level.

10. The wireless communication system of claim 6, wherein the at least one downlink UE and the at least one uplink UE further perform another asymmetric CCFD communication with another communication device.

11. The wireless communication system of claim 6, wherein the at least one downlink UE and the at least one uplink UE further perform a device-to-device (D2D) communication with at least one other UE.

12. A wireless communication method including co-time co-frequency full duplex (CCFD) communications, the method comprising:

providing at least one CCFD measurement report by at least one user equipment (UE); and

assigning, by a communication device, one of a symmetric CCFD communication mode, an asymmetric CCFD communication mode and a non-CCFD communication mode to each of the at least one UE according to the at least one CCFD measurement report;

wherein any of the at least one UE that corresponds to the symmetric CCFD communication mode performs a symmetric CCFD communication with the communication device;

any two of the at least one UE that correspond to the asymmetric CCFD communication mode perform an asymmetric CCFD communication with the communication device; and

any of the at least one UE that corresponds to the non-CCFD communication mode performs a non-CCFD communication with the communication device.

13. The wireless communication method of claim 12, wherein the at least one CCFD measurement report comprises location information of the at least one UE, traffic information of the at least one UE, uplink and downlink requirement information of the at least one UE, self-interference information of the at least one UE and mutual-interference information of the at least one UE.

14. The wireless communication method of claim 12, further comprising:

assigning, by the communication device, resources to the symmetric CCFD communication mode, the asymmetric CCFD communication mode and the non-CCFD communication mode according to one of a frequency-division multiplexing technology and a time-division multiplexing technology.

15. The wireless communication method of claim 12, wherein the communication device is one of a base station and a UE.

16. The wireless communication method of claim 12, wherein:

the step of providing the at least one CCFD measurement report further comprises;

providing the at least one CCFD measurement report by the at least one UE to the communication device via a relay device; and

the step of assigning a communication mode to each of the at least one UE further comprises;

assigning, by the communication device, one of the symmetric CCFD communication mode, the asymmetric CCFD communication mode and the non-CCFD communication mode to each of the at least one UE via the relay device.

17. The wireless communication method of claim 12, further comprising:

assigning by the communication device, one of an asymmetric CCFD downlink communication mode and an asymmetric CCFD uplink communication mode to each of the UEs corresponding to the asymmetric CCFD communication mode during a time interval according to the at least one CCFD measurement report; and

choosing, by the communication device, at least one downlink UE from the UEs corresponding to the asymmetric CCFD downlink communication mode and at least one uplink UE from the UEs corresponding to the asymmetric CCFD uplink communication mode for each of the asymmetric CCFD communications to satisfy a communication requirement during the time interval.

18. The wireless communication method of claim 17, wherein the at least one CCFD measurement report comprises location information of the at least one UE, traffic information of the at least one UE, uplink and downlink requirement information of the at least one UE, and mutual-interference information of the at least one UE.

19. The wireless communication method of claim 17, further comprising:

if the communication requirement is not satisfied, re-assigning, by the communication device, one of an asymmetric CCFD downlink communication mode and an asymmetric CCFD uplink communication mode to each of the UEs corresponding to the asymmetric CCFD communication mode.

20. The wireless communication method of claim 17, wherein the communication requirement is associated with at least one of traffic symmetry and mutual-interference level.

21. The wireless communication method of claim 17, wherein the at least one downlink UE and the at least one uplink UE further perform another asymmetric CCFD communication with another communication device.

22. The wireless communication method of claim 17, wherein the at least one downlink UE and the at least one uplink UE further perform a device-to-device (D2D) communication with at least one other UE.