基于服务曲线的TDMA无线网络上行信道时隙调度算法

研究了采用TDMA接入方式的无线分组网络上行信道时隙分配策略，基于移动台的QoS要求，提出了一种自适应时隙分配算法。利用服务曲线对移动台的QoS要求进行了建模。算法的目标是在尽量满足所有移动台Qos要求的基础上提高系统的上行吞吐量。在无法满足所有移动台QoS要求的情况下，使得移动台实际发送的数据与满足服务曲线要求之间的偏差最小。仿真结果表明：该算法能够在系统吞吐量和系统偏差之间进行折衷，从而有效地平衡上述两个目标。

An uplink time slot scheduling algorithm based on service curves in TDMA wireless packet networks

This paper studies uplink time slot scheduling scheme in TDMA based cellular networks. Based on quality of service (QoS) of mobile stations (MSs), a novel adaptive time slot allocation algorithm is presented. The QoS needs of MSs are modeled using the notion of service curves which characterizes the minimum number of bits an MS must transmit in a time interval in order to meet its QoS requirement. The objective is to meet the various QoS requirements of all MSs while achieving high uplink throughput. In situation where the wireless channel can not meet the service curve requirements of all the MSs due to poor channel quality and adequate capacity, the proposed scheme can minimize the deviation from the service curve. The simulation results show that the proposed scheme can achieve tradeoff between system throughput and system deviation, thereby effectively balance the two above-mentioned objectives.