Efficient resource management for packet data services

• US 6,501,947 B1
• Filed: 12/23/1999
• Issued: 12/31/2002
• Est. Priority Date: 12/23/1999
• Status: Expired due to Term

• Current Assignee: Beijing Xiaomi Mobile Software Co., Ltd. (Xiaomi Corp.)
• Original Assignee: DENSO Corporation
• Inventors: Hunzinger, Jason F., Cheng, Mark W.
• Primary Examiner(s): Urban, Edward F.
• Assistant Examiner(s): CRAVER, CHARLES R
• Application Number:
  US09/471,963
• Time in Patent Office: 1,104 Days
• Field of Search: 455/422, 455/424, 455/425, 455/426, 455/432, 455/433, 455/434, 455/435, 455/436, 455/445, 455/447, 455/448, 455/450, 455/452, 455/463, 455/503, 455/509, 455/510, 455/512, 455/513, 455/517, 455/438, 455/455, 370/329, 379/138, 379/207.02, 379/207.03, 379/207.01, 379/210.01
• US Class Current: 455/414.1
• CPC Class Codes: H04W 74/006 in the downlink, i.e. towards the terminal
• CPC Class Codes: H04W 74/0833 Random access procedures, e.g. with 4-step access

Abstract

The present invention is a system for distributing the reconnection attempts of multiple system users in a CDMA telephone system over a broad time window. The present invention allows either the base station or the mobile station to process data to determine an appropriate reconnect time. The data may include resource capability, priority, client connects pending, and timing and amount of data on pending connection requests. Using this data information, a more efficient reconnection scheme may be developed. The number of requests required to successfully connect can be reduced while increasing the utilization of resources and reducing the delay until connection. Under an intelligent reconnection scheme, the probability of system users attempting simultaneous reconnection is reduced, thus reducing the likelihood of reconnection collision.

Claims

1. A method of determining the length of time between connection requests in a wireless communication system comprising:

collecting data regarding connection requests; and

calculating reconnection timing for each connection request based on the collected data;

wherein the collected data comprises an amount of connection requests, a number of available resources, and an expected duration of a connection.

2. A timer setting circuit for use in a mobile communication system comprising:

a reconnection timer; and

a timer setting circuit which sets the reconnection timer to a value after a failed connection attempt between a mobile station and the mobile communication system, wherein the timer setting circuit determines the value of the reconnection timer based on a set of data regarding connection requests,

wherein the set of data comprises an amount of connection requests, a number of available resources, and an expected duration of a connection.

3. A method of intelligently managing the reconnection timing in a wireless communication system comprising:

determining a number of available resources;

estimating an expected release time of unavailable resources;

determining the number of refused connection attempts; and

calculating a reconnection timing for each of the refused connection attempts based on the number of available resources and the expected release time of unavailable resources.

4. The method of claim 3, further comprising establishing a priority of each of the refused connection attempts.

5. The method of claim 4, further comprising adjusting the reconnection timing for each of the refused connection attempts based on the priority.

6. The method of claim 3, further comprising estimating the anticipated duration of the refused connection attempts.

7. The method of claim 6, further comprising adjusting the reconnection timing for each of the refused connection attempts based on the anticipated duration of the refused connection attempts.

8. A mobile communication system comprising:

a transceiver; and

a reconnection control device which determines a timing of a connection attempt between a mobile station and the mobile communication system, wherein the reconnection control device determines the timing based on a set of data regarding connection requests,

wherein the set of data comprises an amount of connection requests, a number of available resources, and an expected duration of a connection.