MACA-P: A MAC for Concurrent Transmissions in Multi-Hop Wireless Networks

: This paper presents the initial design and performance study of MACA-P, a RTS/CTS based MAC protocol that enables simultaneous transmissions in multihop ad-hoc wireless networks. Providing such low-cost multihop and high performance wireless access networks is an important enabler of pervasive computing. MACA-P is a set of enhancements to the 802.11 DCF that allows parallel transmissions in many situations when two neighboring nodes are either both receivers or both transmitters, but a receiver and a transmitter are not neighbors. Like 802.11, MACA-P contains a contention-based reservation phase prior to data transmission. However, the data transmission is delayed by a control phase interval, which allows multiple sender-receiver pairs to synchronize their data transfers, thereby avoiding collisions and improving system throughput. I. II.

• Type: Conference
• Year: 2003
• Where: PERCOM
• Authors: Arup Acharya, Archan Misra, Sorav Bansal
• Keywords: Ad-hoc Wireless Networks, Control Phase Interval, Low-cost Multihop, PERCOM 2003, Wireless Networks