Title :
Frequency planning framework for multi-hop OFDMA-based cellular networks
Author :
Chao Zuo ; Chang Fang
Author_Institution :
Sch. of Manage., Hefei Univ. of Technol., Hefei, China
Abstract :
In this paper, we consider frequency planning of orthogonal frequency division multiple access (OFDMA) based cellular networks, with two-hop decode-and-forward relay stations (RSs). We develop a new framework for the mathematical modeling of the frequency planning problem, which aims at suppressing multi-links interference and enhancing spectral efficiency. The concept of incidence coloring from modern graph theory is utilized to recast the original frequency planning problem and guide the solution from graph theory perspective.
Keywords :
OFDM modulation; cellular radio; decode and forward communication; frequency division multiple access; graph colouring; interference suppression; relay networks (telecommunication); cellular networks; frequency planning framework; graph theory; mathematical modeling; multi-hop OFDMA; multi-links interference suppression; orthogonal frequency division multiple access; spectral efficiency; two-hop decode-and-forward relay stations; Color; Computer architecture; Interference; Microprocessors; OFDM; Planning; Relays; OFDMA; cellular network; frequency planning; incidence coloring;
Conference_Titel :
Mechatronic Sciences, Electric Engineering and Computer (MEC), Proceedings 2013 International Conference on
Conference_Location :
Shengyang
Print_ISBN :
978-1-4799-2564-3
DOI :
10.1109/MEC.2013.6885583
