QoS aware relay selection and subcarrier allocation in cooperative OFDMA systems

IEEE Communications Letters

Volumn 14, Issue 4, 2010, Pages 294-296

  Zhang, Danhua ^a   Wang, Youzheng ^a   Lu, Jianhua ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

OFDMA; QoS; Relays; Resource allocation

Indexed keywords

COMBINATORIAL PROBLEM; EXPONENTIAL COMPLEXITY; OFDMA; OFDMA SYSTEMS; QOS GUARANTEE; RELAY SELECTION; SERVICE SUPPORT; SIMULATION RESULT; SUB-CARRIER ALLOCATION;

ALGORITHMS; COMBINATORIAL MATHEMATICS; FREQUENCY DIVISION MULTIPLE ACCESS; RESOURCE ALLOCATION;

QUALITY OF SERVICE;

EID: 77950652962     PISSN: 10897798     EISSN: None     Source Type: Journal    
DOI: 10.1109/LCOMM.2010.04.092315     Document Type: Article

References (7)

1. J. Laneman, D. Tse, and G. Womell, "Cooperative diversity in wireless networks: efficient protocols and outage behavior," IEEE Trans. Inf. Theory, vol.50, no.12, pp. 3062-3080, 2004.
2. T. Ng and W. Yu, "Joint optimization of relay strategies and resource allocations in cooperative cellular networks," IEEE J. Sel. Areas Commun., vol.25, no.2, pp. 328-339, Feb. 2007.
3. Z. Han, T. Himsoon, W. P. Siriwongpairat, and K. J. R. Liu, "Resource allocation for multiuser cooperative OFDM networks: who helps whom and how to cooperate," IEEE Trans. Veh. Technol., vol.58, no.5, pp. 2376-2391, June 2009.
4. X. Wang, G. B. Giannakis, and A. G. Marques, "A unified approach to QoS-guaranteed scheduling for channel-adaptive wireless networks," Proc. IEEE, vol.95, no.12, pp. 2410-2431, Dec. 2007.
5. M. Awad and S. Shen, "OFDMA based two-hop cooperative relay network resources allocation," in Proc. IEEE Int. Conf. on Commun., 2008, pp. 4414-4418.
6. W. Yu and R. Lui, "Dual methods for nonconvex spectrum optimization of multicarrier systems," IEEE Trans. Commun., vol.54, no.7, pp. 1310-1322, July 2006.
7. S. Boyd and L. Vandenberghe, Convex Optimization. Cambridge, U.K.: Cambridge Univ. Press, 2004.