상세정보
학술대회
Spectrum Usage Efficiency of Coordinated Multi-Point Transmission in Mobile Satellite Communications
- 저자
- 김희욱
- 발행일
- 201201
- 출처
- International Conference on Consumer Electronics (ICCE) 2012, pp.205-206
- 협약과제
- 11PR2600, IMT-Advanced 위성접속 기술개발, 구본준
- 초록
- In a mobile satellite system based on orthogonal frequency division multiplexing technique, the beam planning with frequency reuse factor 1 may induce severe inter-beam interference due to the usage of the same subcarrier between user equipments of adjacent beams. In order to solve this problem, this paper shows a coordinated multi-point transmission scheme combined with cyclic delay diversity. The proposed scheme improves frequency usage efficiency in a beam boundary region and minimizes interference inter-beam interference in mobile satellite communications based on orthogonal frequency division multiplexing technique. In addition, simulation results show that it makes total system capacity increased due to the significant improved signal to interference and noise power ratio in beam edge users. © 2012 IEEE.
- KSP 제안 키워드
- Beam edge, Boundary region, Coordinated Multipoint Transmission, Frequency reuse factor, Interference and noise, Mobile satellite communication, Multiplexing technique, Noise power, Orthogonal frequency division Multiplexing(OFDM), Transmission scheme, User equipment(UE)