In the heterogeneous wireless networks of the next generation, a large number of different radio access technologies will be integrated into a common network. This paper considers optimizing the utilization of spectru...In the heterogeneous wireless networks of the next generation, a large number of different radio access technologies will be integrated into a common network. This paper considers optimizing the utilization of spectrum resource in heterogeneous environment consisting two different networks: wireless local area network (WLAN) and time division-synchronous code division multiple access (TD-SCDMA) network. An optimal joint spectrum borrowing scheme maximizing overall network revenue is proposed with quality of service (QoS) constraints over both the WLAN and the TD-SCDMA cellular networks. Simulation results illustrate that system revenue earned in the proposed joint spectrum borrowing scheme is significantly larger than the case when individual networks are optimized independently.展开更多
基金Supported by the National Natural Science Foundation of China (60832009), the Natural Sciences Foundation of Beijing (4102044), the Fundamental Research Funds for the Central Universities (BUPT2009RC019), and the National Major Prefects for Science and Technology Development (2009ZX03003-003-01).
文摘In the heterogeneous wireless networks of the next generation, a large number of different radio access technologies will be integrated into a common network. This paper considers optimizing the utilization of spectrum resource in heterogeneous environment consisting two different networks: wireless local area network (WLAN) and time division-synchronous code division multiple access (TD-SCDMA) network. An optimal joint spectrum borrowing scheme maximizing overall network revenue is proposed with quality of service (QoS) constraints over both the WLAN and the TD-SCDMA cellular networks. Simulation results illustrate that system revenue earned in the proposed joint spectrum borrowing scheme is significantly larger than the case when individual networks are optimized independently.