DCBWL: a new channel borrowing scheme for mobile cellular communication systems

A new directional channel borrowing without locking (DCBWL) scheme which allows each cell to lend its channels to its adjacent cells without locking them in nearby co-channel cells is presented. Performance of the new scheme is compared with that of a channel borrowing without locking (CBWL) scheme by computer simulation of a 49-cell model of a mobile cellular system. It is shown by simulation results that the new scheme has much lower call blocking probability as compared to the CBWL scheme, for both uniform and hot-spot call traffic patterns.