Efficient Multi-Point Transmission Scheme for HSDPA Networks

To meet the increasing demand for mobile broadband, multiple carrier features were subsequently introduced into UMTS Release-8 to Release-10. As a consequence, the UE capabilities of rejecting inter-stream interference have increased considerably. To fully utilize the UE capabilities and wireless resources, multi-point transmissions raised concerns in 3GPP High Speed Downlink Packet Access (HSDPA) standardizing process. Multi-point transmission is a promising technique to increase both the average cell throughput and cell edge user throughput. A novel cooperative sector selection algorithm, which takes both channel condition and sector loading into consideration, and an adaptive precoding transmission scheme are proposed for HSPA multi-point transmission. Through the system level simulation, the proposed transmission scheme effectively outperforms the non-cooperative system and non-adaptive cooperative scheme on both the average sector throughput and sector-edge UEs' rates significantly.

[1]  Guangyi Liu,et al.  Downlink interference coordination and mitigation for future LTE-advanced system , 2009, 2009 15th Asia-Pacific Conference on Communications.

[2]  Suhas N. Diggavi,et al.  Great expectations: the value of spatial diversity in wireless networks , 2004, Proceedings of the IEEE.

[3]  David Gesbert,et al.  A Dynamic Clustering Approach in Wireless Networks with Multi-Cell Cooperative Processing , 2008, 2008 IEEE International Conference on Communications.

[4]  Jeffrey G. Andrews,et al.  Adaptive Spatial Intercell Interference Cancellation in Multicell Wireless Networks , 2009, IEEE Journal on Selected Areas in Communications.

[5]  Ross D. Murch,et al.  A transmit preprocessing technique for multiuser MIMO systems using a decomposition approach , 2004, IEEE Transactions on Wireless Communications.

[6]  Martin Haardt,et al.  Zero-forcing methods for downlink spatial multiplexing in multiuser MIMO channels , 2004, IEEE Transactions on Signal Processing.

[7]  Mamoru Sawahashi,et al.  Coordinated multipoint transmission/reception techniques for LTE-advanced [Coordinated and Distributed MIMO] , 2010, IEEE Wireless Communications.

[8]  M. Kamoun,et al.  Base-station selection in cooperative single frequency cellular network , 2007, 2007 IEEE 8th Workshop on Signal Processing Advances in Wireless Communications.