Abstract
Future mobile ad hoc networks are expected to support voice traffic. The requirement for small delay and jitter of voice traffic poses a significant challenge for medium access control (MAC) in such networks. User mobility presents unique difficulties in this context due to the associated dynamic path attenuation. In this paper, a MAC scheme for mobile ad hoc networks supporting voice traffic is proposed. With the aid of a low-power probe prior to DATA transmissions, resource reservation is achieved in a distributed manner, thus leading to small packet transmission delay and jitter. The proposed scheme can automatically adapt to dynamic path attenuation in a mobile environment. Statistical multiplexing of on/off voice traffic can also be achieved by partial resource reservation for off voice flows. Simulation results demonstrate the effectiveness of the proposed scheme.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 547-558 |
| Number of pages | 12 |
| Journal | Wireless Communications and Mobile Computing |
| Volume | 10 |
| Issue number | 4 |
| DOIs | |
| State | Published - Apr 2010 |
All Science Journal Classification (ASJC) codes
- Information Systems
- Computer Networks and Communications
- Electrical and Electronic Engineering
Keywords
- Code-division multiple access
- Medium access control
- Mobile ad hoc networks
- Statistical multiplexing
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