Energy-efficient scheduling for buffer-aided relaying with opportunistic spectral access (invited paper)
- Publication Type:
- Conference Proceeding
- Citation:
- 2017 9th International Conference on Wireless Communications and Signal Processing, WCSP 2017 - Proceedings, 2017, 2017-January pp. 1 - 6
- Issue Date:
- 2017-12-07
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| 08171197.pdf | Published version | 209.71 kB |
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© 2017 IEEE. In this paper, we propose a cross-layer design framework for transmitting Markov modulated Poisson process (MMPP) traffic over cognitive cooperative networks, which considers the energy efficient transmissions for different delay-aware packets. The adaptive modulation and coding (AMC) is used in the cooperative transmission system. The queueing process is considered in the buffer aided relay and source. We obtain an optimum strategy of power and time allocation to maximize the energy efficiency of the relay assisted cooperative system. With the stationary distribution of the system state, we derive the closed-form expression of the delay and the energy efficient transmission policy with AMC. Then, we derive the energy efficient strategy for packet transmission with different delay requirements, which can make the cooperative transmissions energy efficient.
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