상세정보
학술지
An Adaptive Power Saving Scheme in OFDMA-TDD-Based Cellular Relay Networks
- 저자
- 김세진, 이병복, 고유창, 류승완, 이형우, 조충호
- 발행일
- 201006
- 출처
- IEICE Transactions on Communications, v.E93.B no.6, pp.1657-1660
- ISSN
- 0916-8516
- 출판사
- 일본, 전자정보통신학회 (IEICE)
- 초록
- We present an adaptive power saving (APS) scheme to reduce downlink energy consumption of the transmit power in the cellular relay network (CRN). In the APS scheme, some cell topologies operating in 2-hop mode using relay stations (RSs) are converted to that of 3-hop mode and others are simultaneously converted to that of single-hop mode when the offered traffic load becomes very low, especially during night periods. By this means, we show the APS scheme outperforms the conventional CRN (CCRN) scheme in terms of energy consumption.
- 키워드
- Cellular relay network, OFDMA, Power saving
- KSP 제안 키워드
- Adaptive power, Cellular relay networks, Offered traffic, Relay Station, Single-hop mode, Traffic Load, Transmit power, energy consumption, power saving