The impact of multiple-access interference in mobile ad hoc and cellular networks with direct-sequence code-division multiple access (DS-CDMA) and frequency-hopping code-division multiple access (FH-CDMA) systems is analyzed in this chapter. Phenomena and issues that become prominent in mobile networks using spread spectrum include exclusion zones, guard zones, power control, rate control, network policies, sectorization, and the selection of various spread-spectrum parameters. The outage probability, which is the fundamental network performance metric, is derived for both ad hoc and cellular networks and both DS-CDMA and FH-CDMA systems. Acquisition and synchronization methods that are needed within a cellular DS-CDMA network are addressed.
- Outage Probability
- Guard Zone
- Signal To Interference And Noise Ratio (SINR)
- SINR Threshold
- Area Spectral Efficiency
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