Title :
Traffic-Aware Dynamic Frequency Band Allocation Scheme for OFDMA System
Author :
Chen Zhu ; Yuliang Tang ; Jing Wang
Author_Institution :
Dept. of Commun. Eng., Xiamen Univ., Xiamen, China
Abstract :
The traffic load in a cellular network is typically unbalanced, changing both in the time domain and the spatial domain due to user mobility and activities. In this letter, a traffic-aware dynamic frequency band allocation scheme for OFDMA system is proposed. It is shown that the proposed scheme improves the network throughput and the spectral efficiency without increasing the cost of signaling interaction by dynamically allocating sub-bands in multi-cell network according to the traffic load fluctuations.
Keywords :
OFDM modulation; cellular radio; telecommunication traffic; OFDMA system; cellular network; multicell network; signaling interaction; spatial domain; spectral efficiency; time domain; traffic aware dynamic frequency band allocation scheme; traffic load; traffic load fluctuations; Dynamic scheduling; Interference; OFDM; Radio spectrum management; Resource management; Signal to noise ratio; Throughput; Inter-cell interference coordination; OFDMA system; traffic-aware;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2013.062113.130912
