… Abstract—We investigate the possibility of using directional antennas for medium access …
6.2 Underutilization When using Basic DMAC, the communication range is bounded by the …

… gain due to multiple receive antenna elements and, … capacity is upper bounded by the
capacity of an identity channel of dimension equal to the number of scatterers. Because this bound …

… We simulate our scenarios in a bounded region of 1500 X 1500 meters, with Constant Bit
Rate (CBR) traffic for data communication. The tradeoffs we discuss in this section arise from …

… increase in availability of directional antenna technology, the … context of networks with
directional antennas. Prior work on … because it can provide bounds on delay and delay variance …

… Directional Antennas & Protocol Model: In this case, the average rate sustainable by the
network is bounded … a flat-topped antenna model, we derive an upper bound for the (end-to-end) …

… , DSP modules in directional antenna systems can form several antenna patterns in different
… Theoretical bounds and comparison with optimal path assignment is another possible area …

… with omnidirectional antennas or directional antennas. … is equipped with a directional antenna
of beamwidth θ for … to be conducted for a directional antenna-based MANET. Based on the …

… given subarea as a constant value with bounded approximation errors. Therefore, we convert
… Based on this result, we derive the upper bound of the probability that all these grid points …

… of using directional antennas [1]. Toward this end, we describe a method to bound the
lifetime of WSN developed earlier [2, 3], that can be extended to cover directional antennas. The …

… such as 802.11 to support directional antennas, typically referred to as directional MAC, have
been … The first is the use of a backoff procedure, where both the interval boundaries and the …