Method and system for efficient data transmission in wireless communication systems

• US 20030208366A1
• Filed: 12/18/2002
• Published: 11/06/2003
• Est. Priority Date: 05/01/2002
• Status: Active Grant

• Current Assignee: Interdigital Technology Corporation (InterDigital, Inc.)
• Original Assignee: Interdigital Technology Corporation (InterDigital, Inc.)
• Inventors: Goldberg, Steven Jeffrey
• Granted Patent: US 7,035,656 B2
• Time in Patent Office: Days
• US Class Current: 705/1
• CPC Class Codes: H04W 28/06 Optimizing the usage of the radio link, e.g. header compression, information sizing , discarding information system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365
• CPC Class Codes: H04W 4/12 Messaging; Mailboxes; Announcements
• CPC Class Codes: H04W 4/18 Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals

Abstract

A method and system for efficiently transmitting data in wireless communication networks is disclosed. Support data may be strategically provided to user equipment (UE) to reduce the amount of data transmitted over the network.

Claims

1. A method for transmitting data over a wireless communication system comprising:

monitoring messages in a wireless communication system;

determining whether any particular phrases contained within the messages are associated with any UEs utilizing the system;

identifying the UEs that are associated with particular phrases contained within the messages; and

transmitting support data to the identified UEs so that the particular phrases may be selectively transmitted by the identified UEs in a compressed format.

2. The method of claim 1 wherein the messages are user-to-user messages.

3. The method of claim 1 wherein the messages are monitored in the downlink.

4. The method of claim 1 wherein the messages are monitored in the uplink.

5. The method of claim 1 wherein the particular phrases are single phrase messages.

6. The method of claim 1 wherein the particular phrases are multiple phrase messages.

7. The method of claim 1 wherein the particular phrases are part of periodically sent data that is sent to users who subscribe to a service delivered over the wireless communication system.

8. The method of claim 7 wherein the particular phrases include numerical data.

9. A method for transmitting data over a wireless communication system comprising:

monitoring downlink messages in a wireless communication system;

identifying downlink messages that are sent periodically and include data that remains the same between periods; and

transmitting support data to user equipment (UE) that receive the identified downlink messages so that the identified downlink messages may be delivered to the UEs in a compressed format.

10. The method of claim 9 wherein the downlink messages are related to a service delivered over the network to users subscribing to the service.

11. The method of claim 9 wherein the support data comprises templates that allow the system to refrain from retransmitting data that has not changed since the last time it was transmitted.

12. A method for transmitting data over a wireless communication system comprising:

monitoring messages received by UEs to determine which UEs have received which particular types of data more than a predetermined number of times;

transmitting messages containing particular types of data that UEs have not received more than a predetermined number of times in a non-compressed format to UEs that have not received the particular types of data more than a predetermined number of times; and

transmitting messages containing particular types of data that UEs have received more than a predetermined number of times in a compressed format to UEs that have received the particular types of data more than a predetermined number of times.

13. The method of claim 12 further comprising the step of transmitting support data for decoding data transmitted in the compressed format to the UEs that have received the particular types of data more than a predetermined number of times.

14. The method of claim 13 wherein the support data is related to the particular types of data that have been received more than a predetermined number of times.

15. The method of claim 12 wherein the particular types of data include single phrase messages.

16. The method of claim 12 wherein the particular types of data include multiple phrase messages.

17. The method of claim 12 further comprising the steps of:

monitoring messages sent by UEs to determine which UEs have sent which particular types of data more than a predetermined number of times;

transmitting support data for encoding messages into a compressed format to UEs identified as having sent particular types of data more than a predetermined number of times;

transmitting messages from the identified UEs containing particular types of data that the UEs have not sent more than a predetermined number of times in a non-compressed format; and

transmitting messages from the identified UEs containing particular types of data that the UEs have sent more than a predetermined number of times in a compressed format.

18. The method of claim 17 wherein the support data is specifically related to the particular types of data that have been received more than a predetermined number of times.

19. A method for transmitting data over a wireless communication system comprising:

monitoring messages sent by UEs to determine which UEs have sent which particular types of data more than a predetermined number of times;

transmitting support data for encoding messages into a compressed format to UEs identified as having sent particular types of data more than a predetermined number of times;

transmitting messages from the identified UEs containing particular types of data that the UEs have not sent more than a predetermined number of times in a non-compressed format; and

transmitting messages from the identified UEs containing particular types of data that the UEs have sent more than a predetermined number of times in a compressed format.

20. The method of claim 19 wherein the support data is specifically related to the particular types of data that have been received more than a predetermined number of times.

21. The method of claim 19 wherein the particular types of data include single phrase messages.

22. The method of claim 19 wherein the particular types of data include multiple phrase messages.

23. The method of claim 19 further comprising the steps of:

monitoring messages received by UEs to determine which UEs have received which particular types of data more than a predetermined number of times;

transmitting messages containing particular types of data that UEs have not received more than a predetermined number of times in a non-compressed format to UEs that have not received the particular types of data more than a predetermined number of times; and

transmitting messages containing particular types of data that UEs have received more than a predetermined number of times in a compressed format to UEs that have received the particular types of data more than a predetermined number of times.

24. The method of claim 23 further comprising the step of transmitting support data for decoding data transmitted in the compressed format to the UEs that have received the particular types of data more than a predetermined number of times.

25. The method of claim 24 wherein the support data is related to the particular types of data that have been received more than a predetermined number of times.

26. The method of claim 23 further comprising the step of transmitting support data to UEs that have received particular types of data more than a predetermined number of times, said support data allowing the particular types of data to be transmitted in a compressed format.

27. A method for transmitting data over a wireless communication system comprising:

monitoring messages sent by a UE to determine whether the UE has sent any particular types of data contained in any of the messages more than a predetermined number of times;

determining, where the UE has sent particular types of data contained in at least one of the messages more than a predetermined number of times, whether the UE has support data for compressing the particular types of data contained in the at least one message; and

transmitting the at least one message in a compressed format where it is determined that the UE has support data for compressing the particular types of data contained in the at least one message.

28. The method of claim 27 wherein the particular types of data include single phrase messages.

29. The method of claim 27 wherein the particular types of data include multiple phrase messages.

30. The method of claim 27 further comprising the steps of:

requesting the support data from the system for compressing the particular types of data contained in the at least one message where it is determined that the UE does not have support data for compressing the particular types of data contained in the at least one message;

receiving the requested support data from the wireless communication system; and

transmitting the at least one message in a compressed format using the support data received from the system.

31. A method for transmitting data over a wireless communication system comprising:

monitoring messages received by a UE to determine whether the UE has received particular types of data contained in any of the messages more than a predetermined number of times;

determining, where the UE has received particular types of data contained in at least one of the messages more than a predetermined number of times, whether the UE has support data for decoding the particular types of data contained in the at least one message; and

transmitting a signal to the system indicating that future messages sent to the UE containing the at least one message may be sent to the UE in a compressed format where it is determined that the UE does have support data for decoding the particular types of data contained in the at least one message.

32. The method of claim 31 further comprising the steps of:

requesting the support data from the system for decoding the particular types of data contained in the at least one message where it is determined that the UE does not have the support data for decoding the particular types of data contained in the at least one message;

receiving the requested support data from the wireless communication system; and

transmitting a signal to the system indicating that the UE has support data for receiving future transmissions of the at least one message in a compressed format.

33. A wireless communication system comprising:

a plurality of user equipment (UE);

at least one base station; and

at least one radio network controller (RNC) wherein the RNC may monitor messages transmitted by the plurality of UEs so that data associated with any of the plurality of UEs may be transmitted in a compressed format.

34. The system of claim 33 wherein the particular types of data include single phrase messages.

35. The system of claim 33 wherein the particular types of data include multiple phrase messages.