Ant colony-based radio resource allocation for LTE-A systems with MIMO and CoMP transmission

Author

Wen-Ching Chung ; Chien-Yuan Chen ; Chin-Ya Huang ; Chung-Ju Chang ; Ren, Fengyuan

Author_Institution

Dept. of Electr. & Comput. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan

fYear

2013

fDate

12-14 Aug. 2013

Firstpage

780

Lastpage

785

Abstract

In this paper, we propose an ant colony-based radio resource allocation (ACRA) scheme for LTE-A downlink systems to support multi-input-multi-output (MIMO) and coordinated multi-point (CoMP) transmission. One of the challenges in the radio resource allocation problem for LTE-A systems with MIMO and CoMP transmission is its high complexity. The ACRA scheme first assigns users to direct transmission bandwidth (DTB) zone or CoMP transmission bandwidth (CTB) zone. In the DTB zone, the data is delivered by only one transmission node; while in the CTB zone, the transmission is carried out among multiple transmission nodes. By using ant colony optimization, the ACRA scheme determines one best allocation solution from multiple possible solutions. Simulation results show that, the ACRA scheme enhances the system throughput by 8.8 % as compared to the dynamic interference avoidance scheme [10].

Keywords

Long Term Evolution; MIMO communication; ant colony optimisation; interference suppression; radiofrequency interference; ACRA scheme; CTB zone; CoMP transmission bandwidth zone; DTB zone; LTE-A downlink systems; MIMO transmission; ant colony-based radio resource allocation; coordinated multipoint transmission; direct transmission bandwidth zone; dynamic interference avoidance scheme; multiple-input multiple-output transmission; transmission node; Bandwidth; Interference; MIMO; Quality of service; Resource management; Throughput; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications in China (ICCC), 2013 IEEE/CIC International Conference on

Conference_Location

Xi´an

Type

conf

DOI

10.1109/ICCChina.2013.6671215

Filename

6671215