Channel efficiency based packet scheduling for interactive data in cellular networks

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United States of America Patent

PATENT NO 7602791
SERIAL NO

11405839

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present packet scheduling algorithm gives cellular network operators greater flexibility in adjusting the way resources are allocated among interactive best-effort data users. The present packet scheduling algorithm is capable of allocating radio resource dynamically, not only based on channel conditions, but also to achieve different performance trade-offs among users with different link qualities. According to the algorithm, channel quality is determined for each user. Channel efficiency is calculated and the channel efficiency value is used as the primary factor in weighting the delivery of packets to (or from) a given user. In a packet schedule weighting equation, a value of exponent may be varied from negative to positive to give good (or bad) users better service. However, performance of users with bad channel qualities degrades the performance of good channel users in a disproportionate manner.

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Patent Owner(s)

Patent OwnerAddress
AT&T CORPNEW YORK NY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jiang, Zhimei Eatontown , US 25 841
Shankaranarayanan, Nemmara K Bridgewater , US 106 2231

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