Congestion Control Policies for IP-Based CDMA Radio Access Networks
IEEE Transactions on Mobile Computing
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Performance of a two-level call admission control scheme for DS-CDMA wireless networks
EURASIP Journal on Wireless Communications and Networking
Optimal control of packet service access state for cdma2000-1x systems
MSN'05 Proceedings of the First international conference on Mobile Ad-hoc and Sensor Networks
| Hi-index | 0.01 |
We propose a wireless access mechanism for web traffic packets in an integrated wireless code-division multiple-access system that has both voice and Web traffic. The proposed scheme is a medium-access control layer/link layer (MAC/LL) scheduling algorithm that consists of a two level control: admission control and packet scheduling. The admission control restricts the number of users in the system such that quality-of-service requirements [target signal-to-interference ratio (SIR) and delay] for both voice and Web traffic can be met. The packet scheduling balances the system interference on a slot-by-slot basis such that the target SIRs can be achieved for all users (voice and Web browsing sessions) with a higher scheduling priority for voice. Designing admission control for Web users based on the average offered rate per session is difficult due to the high variations in the offered load generated by heavy tailed distributions for Web traffic. To overcome this problem, we propose an admission control algorithm that adaptively estimates the aggregate average load based on load measurements using a sliding observation window.