话音与数据业务在ATM网络中的高效传输

Efficient Transmission of Voice and Data in ATM Networks

本文提出了一种利用ATM网络高效传输话音与数据业务的混合接入系统。该系统采用数字语音插空 (DSI)技术对话音业务进行压缩 ,提高了传输链路的带宽利用率 ;提出了一种自适应带宽分配技术保证话音业务的时延和信元丢失率要求。能够在保证不同类型业务QoS的条件下 ,充分利用线路资源进行话音与数据业务的综合传输。理论分析与计算机模拟结果验证了该系统的良好性能。

This paper presents a mixed access system for ATM networks carrying voice and data traffic.The system uses the digital speech interpolation (DSI) technique to increase the bandwidth utilization of the link,and adopts a new adaptive bandwidth allocation scheme to provide delay and cell loss rate guarantees for voice traffic.It can efficiently transmit voice and data traffic on the same link while guaranteeing the QoS requirements of the different traffic.Theoretical analysis and simulation results show the good performance of the system.