A Protocol for Multimedia CDMA Personal Communication Networks

Authors:
P. Xie;E. Gunawan;B. H. Soong;C. B. Soh
Affiliations:
School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798 E-mail: cbsoh@auto.eee.ntu.ac.sg
Venue:
Wireless Personal Communications: An International Journal
Year:
2000

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Abstract

In this paper, a joint CDMA/TDMA protocol has been proposed for integratedvideo-phone/voice/data traffic in personal communication networks (PCN). Thevideophone service is implemented according to H.261 standard. The concept ofdynamic boundary is adopted in both code and time domains to meet thedifferent requirements for videophone, voice and data traffic.Two mathematical analysis methods are adopted to evaluate the systemperformance. One is the traditional Markov analysis (TDMA), which is used tocalculate the average videophone and voice call blocking probabilities. Theother is Transient Fluid Analysis (TFA), which is adopted to evaluate the datadelay and channel utilization performance. Results show that two dynamicboundaries can be adjusted to achieve the optimal system performance, andsuggestions of how to adjust these boundaries are also given.