Efficient radio resource management in integrated WLAN/CDMA mobile networks

Authors:
Fei Yu;Vikram Krishnamurthy
Affiliations:
Department of Electrical and Computer Engineering, the University of British Columbia, Vancouver, BC, Canada;Department of Electrical and Computer Engineering, the University of British Columbia, Vancouver, BC, Canada
Venue:
ICN'05 Proceedings of the 4th international conference on Networking - Volume Part II
Year:
2005

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Abstract

The complementary characteristics of wireless local area networks (WLANs) and wideband code division multiple access (CDMA) cellular networks make it attractive to integrate these two technologies. This paper proposes a joint session admission control scheme that maximizes overall network revenue with quality of service (QoS) constraints over both WLANs and CDMA cellular networks. WLANs operate under IEEE 802.11e medium access control (MAC) protocol, which supports QoS for multimedia traffic. A cross-layer optimization approach is used in CDMA networks taking into account both physical layer linear minimum mean square error (LMMSE) receivers and network layer QoS requirements. Numerical examples illustrate that the network revenue earned in the proposed joint admission control scheme is significantly more than that when the individual networks are optimized independently.