关键词: 协同无线网络, 并行数据传输, 能量价格, 信道分配, 功率控制

Abstract:

Joint optimization assisted by the channel and power allocation of multi-terminal cooperative communication is a new paradigm for cooperative wireless network, and parallel data transmission between the source and destination node is implemented based on various transmission modes (e.g., direct, dual-hop and relay transmission). By modeling nodes of network as energy sellers, a new joint optimization scheme based on energy pricing is proposed for channel allocation and power control. Simulation shows that system energy-consumption cost and network lifetime of the parallel transmission using our proposed scheme significantly outperforms the single transmission. Moreover, by introducing energy price incentive mechanism, the superiority of the optimal rate allocation over average rate allocation in terms of system performance is verified.

Key words: cooperative wireless network, parallel data transmission, energy pricing, channel allocation, power control