WO2004075596A3

5G,4G,3G

Title

CONGESTION CONTROL IN A WIRELESS DATA NETWORK

Application Number:

WO2004US04788

Publication Date:

04-11-2004

Current Assignee:

QUALCOMM INC , SARKAR SANDIP

Family ID:

32854501

Application Date:

18-02-2004

Publication Country:

US

View on Espacenet

Priority Date:

18-02-2003

Declaring Company:

QUALCOMM INC

Abstract  Abstract

Techniques for congestion control are disclosed. In one embodiment a base station allocates (350) a shared resource using a combination of zero or more individual grants and zero or more common grants and generates a busy signal (370) in response to loading conditions that exceed a pre-determined level. In another embodiment a subset of transmitting mobile stations reduce their transmission rate in response to a busy signal. The subset may include autonomous transmission commonly granted transmission individually granted transmission or any combination thereof. In various embodiments rate adjustment may be probabilistic or deterministic. In one embodiment a rate table (1000) is deployed and a mobile station decreases or increases the transmission rate from one rate in the table to a lower or higher rate in the table respectively in response to the busy signal. Various other aspects are also presented. These aspects have the benefit of providing efficient congestion control avoiding excessive interference and increasing capacity.

Note:

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Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.

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