Interference analysis of nonpersistent CSMA with hidden terminals in multicell wireless data networks

Abstract

In multi-cell wireless networks such as wireless LANs under standardization (IEEE 802.11 and ETSI's HIPERLAN), we must consider interference interaction among different cells as there are a very limited number of channels for operation. We introduce a theoretical analysis to evaluate CSMA in multicell wireless networks by taking hidden terminals, interference, and cell-overlapping into account. Both nonpersistent CSMA and CSMA with a 4-way handshaking as the IEEE 802.11 draft are considered in this paper.