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2001•IETE Technical ReviewRequires access

A Dynamic Channel Assignment Algorithm for High Capacity Microwave Mobile Communication Systems

G. Sivaradje, Djagadeesan Saraswady, P. Dananjayan

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Abstract

In this paper, a dynamic channel assignment scheme is proposed. In this scheme, when a call originates in a high capacity network cell, and if all the channels in it are busy, it looks for a channel to be borrowed from the neighboring cell, which has most number of idle channels. If the cell has to borrow a channel from any of its neighboring cell then the particular channel has to be blocked in the re-use cells. But geographically it is enough if it blocks the channel in two co-channel cells, where the co-channel interference is pronounced. This deals to the concept of Borrowed Channel allocation with Directional Locking. The aim of the paper is to find the difficulties in lending a channel to a neighboring cell and thus develop an algorithm which overcomes the restrictions imposed by this new channel allocation scheme.

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What this paper is about

In this paper, a dynamic channel assignment scheme is proposed. In this scheme, when a call originates in a high capacity network cell, and if all the channels in it are busy, it looks for a channel to be borrowed from the neighboring cell, which has most number of idle channels. If the cell has to borrow a channel from any of its neighboring cell then the particular channel has to be blocked in the re-use cells. But geographically it is enough if it blocks the channel in two co-channel cells, where the co-channel interference is pronounced. This deals to the concept of Borrowed Channel allocation with Directional Locking. The aim of the paper is to find the difficulties in lending a channel to a neighboring cell and thus develop an algorithm which overcomes the restrictions imposed by this new channel allocation scheme.

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Available abstract

In this paper, a dynamic channel assignment scheme is proposed. In this scheme, when a call originates in a high capacity network cell, and if all the channels in it are busy, it looks for a channel to be borrowed from the neighboring cell, which has most number of idle channels. If the cell has to borrow a channel from any of its neighboring cell then the particular channel has to be blocked in the re-use cells. But geographically it is enough if it blocks the channel in two co-channel cells, where the co-channel interference is pronounced. This deals to the concept of Borrowed Channel allocation with Directional Locking. The aim of the paper is to find the difficulties in lending a channel to a neighboring cell and thus develop an algorithm which overcomes the restrictions imposed by this new channel allocation scheme.

Key concepts: Channel (broadcasting), Channel allocation schemes, Computer science, Interference (communication), Channel capacity, Computer network, Scheme (mathematics), Co-channel interference

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