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METHOD FOR DETERMINING ALLOCATION OF BANDWIDTH TO MULTIPLE TRAFFIC TYPES IN A COMMUNICATION SYSTEM

IP.com Disclosure Number: IPCOM000008727D
Original Publication Date: 1998-Jun-01
Included in the Prior Art Database: 2002-Jul-08
Document File: 1 page(s) / 77K

Publishing Venue

Motorola

Related People

Stephen Shaw Gilbert: AUTHOR

Abstract

Some communication systems are capable of transporting multiple types of traffic, such as voice, packet data, video, etc. over the communication medium. From the short-term point of view of normal day-to-day operations, the total capacity for transporting information over the communication system at a given time is constant. Decisions must be made automatically by the system which will determine what fraction of the total communication capacity will be allocated to each of the traffic types competing for use of the limited communication channel resources. Under heavy enough traffic conditions this will affect the Quality of Service (QOS) received by the various types of traffic. Described below is a method of determining this allocation.

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METHOD FOR DETERMINING ALLOCATION OF BANDWIDTH TO MULTIPLE TRAFFIC TYPES IN A COMMUNICATION SYSTEM

by Stephen Shaw Gilbert

  Some communication systems are capable of transporting multiple types of traffic, such as voice, packet data, video, etc. over the communication medium. From the short-term point of view of normal day-to-day operations, the total capacity for transporting information over the communication system at a given time is constant. Decisions must be made automatically by the system which will determine what fraction of the total communication capacity will be allocated to each of the traffic types competing for use of the limited communication channel resources. Under heavy enough traffic conditions this will affect the Quality of Service (QOS) received by the various types of traffic. Described below is a method of determining this allocation.

  In this allocation method, it is assumed that the communication channel resource (ie. bandwidth) is allocated in units of Time Division Multiplexing (TDM) time slots, and that the time slot resources are allocated to two different types of traffic, either packet data or voice. Pre-allocated pools of slots are maintained, with a separate pool existing for each of the two types of traffic. In this example, changes in the percentage of time slots allocated to each of the pools occurs less frequently than the potential rate at which new traffic arrives.

The algorithm is as follows:

1. Predict the rate of packet data revenue generation and the packet data Quality Of Service (QOS) that would occur with each potential amount of bandwidth allocated to the packet data service.

2. Predict the rate of voice traffic revenue genera- tion...