An integrated voice/data CDMA packet communications with multi-code CDMA scheme

摘要

In this paper, we consider an integrated voice and data system over CDMA Slotted-ALOHA(CDMA S- ALOHA). We investigate its performance when multi-code CDMA(MC-CDMA)is applied as a multi-rate scheme to support Users which require transmission with different bit rates. Two dif- Ferent classes of data users are transmitted together with voice. Performance measurement is obtained in respect of throughput For data and outage probability for voice. Moreover, we consider The Modified Channel Load Sensing Protocol(MCLSP)as af traf- Fic control to improve the throughout of data.