Transmission of previously compressed packets to avoid throughput drop

Patent metadata

Field	Value
Publication number	US-12219386-B2
Application number	US-202117372183-A
Country	US
Kind code	B2
Filing date	Jul 9, 2021
Priority date	Jul 9, 2021
Publication date	Feb 4, 2025
Grant date	Feb 4, 2025

Abstract

A second wireless device may transmit, to a first wireless device, a feedback message indicative of a transition from a first compression state to a second compression state. The first wireless device may transition, based on a state change indication corresponding to the feedback message, from the first compression state to the second compression state. The first wireless device may transmit, to the second wireless device based on the transition from the first compression state to the second compression state, one or more first data packets that are previously compressed based on the first compression state or one or more second data packets that are uncompressed or recompressed based on the second compression state. The one or more second data packets being associated with the one or more first data packets.

First claim

What is claimed is:

1. An apparatus for wireless communication at a first wireless device, comprising:
memory; and
at least one processor coupled to the memory and configured to:
receive, from a second wireless device, a feedback message indicative of a transition from a first compression state to a second compression state;
transition, based on a state change indication corresponding to the feedback message, from the first compression state to the second compression state, wherein a set of data packets buffered in the memory is compressed based on the first compression state; and
transmit, to the second wireless device based on the transition from the first compression state to the second compression state, one or more first data packets that are previously compressed based on the first compression state or one or more second data packets that are uncompressed or recompressed based on the second compression state, the one or more second data packets being associated with the one or more first data packets, wherein information in the set of data packets corresponds to information in the one or more first data packets or the one or more second data packets, wherein the state change indication is associated with a factor that is based on a total number of previously compressed bytes.

2. The apparatus of claim 1 , the at least one processor being further configured to:
communicate with the second wireless device in the first compression state.

3. The apparatus of claim 1 , the at least one processor being further configured to:
transmit, to the second wireless device, an indication of the transition from the first compression state to the second compression state.

4. The apparatus of claim 1 , the at least one processor being further configured to:
receive, from the second wireless device, an uplink grant for a transmission of a number of data packets.

5. The apparatus of claim 1 , wherein the one or more first data packets or the one or more second data packets correspond to at least one of: transmission control protocol (TCP) packets, user datagram protocol (UDP) packets, real-time transport protocol (RTP) packets, or internet protocol (IP) packets.

6. The apparatus of claim 1 , wherein the first wireless device is a user equipment (UE) and the second wireless device is a base station.

7. The apparatus of claim 1 , wherein the feedback message is associated with one or more context identifiers (CIDs), wherein the one or more first data packets or the one or more second data packets correspond to buffered data packets associated with the one or more CIDs, wherein the one or more second data packets are transmitted to the second wireless device as data packets recompressed based on the second compression state.

8. The apparatus of claim 1 , wherein the first compression state is associated with a higher order than the second compression state.

9. The apparatus of claim 8 , wherein the one or more first data packets or the one or more second data packets correspond to an entire set of buffered data packets, wherein the one or more second data packets are transmitted to the second wireless device as uncompressed data packets.

10. The apparatus of claim 8 , wherein the feedback message is associated with one or more context identifiers (CIDs), the state change indication is associated with the factor that is based on the total number of previously compressed bytes and a number of previously compressed bytes associated with the one or more CIDs, wherein the one or more first data packets or the one or more second data packets correspond to an entire set of buffered data packets, wherein the one or more second data packets are transmitted to the second wireless device as uncompressed data packets when the factor is less than a threshold, and the one or more first data packets are transmitted to the second wireless device in an unaltered state when the factor is greater than the threshold.

11. The apparatus of claim 8 , wherein the feedback message is associated with one or more context identifiers (CIDs), wherein the one or more first data packets or the one or more second data packets correspond to buffered data packets associated with the one or more CIDs, wherein the one or more second data packets are transmitted to the second wireless device as uncompressed data packets.

12. The apparatus of claim 1 , wherein the second compression state is associated with a higher order than the first compression state.

13. The apparatus of claim 12 , wherein the feedback message is associated with one or more context identifiers (CIDs), the state change indication is associated with the factor that is based on the total number of previously compressed bytes and a number of previously compressed bytes associated with the one or more CIDs, wherein the one or more first data packets or the one or more second data packets correspond to a subset of buffered data packets associated with the one or more CIDs, a number of data packets in the subset being based on the factor, wherein the one or more second data packets are transmitted to the second wireless device as data packets recompressed based on the second compression state when the factor is less than a threshold, and the one or more first data packets are transmitted to the second wireless device in an unaltered state when the factor is greater than the threshold.

14. The apparatus of claim 1 , further comprising a transceiver coupled to the at least one processor.

15. A method of wireless communication at a first wireless device, comprising:
receiving, from a second wireless device, a feedback message indicative of a transition from a first compression state to a second compression state;
transitioning, based on a state change indication corresponding to the feedback message, from the first compression state to the second compression state, wherein a set of data packets buffered in memory is compressed based on the first compression state; and
transmitting, to the second wireless device based on the transition from the first compression state to the second compression state, one or more first data packets that are previously compressed based on the first compression state or one or more second data packets that are uncompressed or recompressed based on the second compression state, the one or more second data packets being associated with the one or more first data packets, wherein information in the set of data packets corresponds to information in the one or more first data packets or the one or more second data packets, wherein the state change indication is associated with a factor that is based on a total number of previously compressed bytes.

16. An apparatus for wireless communication at a second wireless device, comprising:
memory; and
at least one processor coupled to the memory and configured to:
transmit, to a first wireless device, a feedback message indicative of a transition from a first compression state to a second compression state, wherein a set of data packets is compressed based on the first compression state; and
receive, from the first wireless device based on the transition from the first compression state to the second compression state, one or more first data packets that are previously compressed based on the first compression state or one or more second data packets that are uncompressed or recompressed based on the second compression state, the one or more second data packets being associated with the one or more first data packets, wherein information in the set of data packets corresponds to information in the one or more first data

Assignees

• Qualcomm Inc

Inventors

• Bathwal Saket
• Xiao Gang Andy

Classifications

• H04L65/1069

  Session establishment or de-establishment · CPC title

• H04L65/1016

  IP multimedia subsystem [IMS] · CPC title

• H04L65/70

  Media network packetisation · CPC title

• H04L65/65

  Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP] · CPC title

• H03M7/6047

  Power optimization with respect to the encoder, decoder, storage or transmission · CPC title