Context Identifier for Packet Compression in Wireless Headers

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Solution Overview

Problem

Current wireless communication technologies, such as LTE and NR, face challenges in efficiently managing packet compression and control operations, leading to increased overhead and resource consumption due to the lack of effective context identification mechanisms for compressed packets.

Innovation Solution

The implementation of a context identifier in packet headers to indicate whether packets are compressed, allowing receivers to determine the compression state and process packets accordingly, thereby reducing overhead and improving resource management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If packet compression is implemented without context identifier, then data transmission efficiency is improved through compression, but overhead increases and resource consumption increases due to inability to efficiently manage compressed and uncompressed packets

Engineering Contradiction:
Improvedata transmission efficiencyVSAvoidoverhead
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The patent segments the packet header into distinct functional parts, including a dedicated context identifier field. This segmentation allows the receiver to efficiently identify whether a packet is compressed or uncompressed based on the context identifier value, enabling selective processing and reducing overall overhead despite adding a small identifier field.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The context identifier is embedded in the header before packet processing occurs. This preliminary identification allows the receiver to determine the compression state upfront and prepare appropriate processing actions, avoiding unnecessary decompression attempts on uncompressed packets and reducing resource consumption.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If packet compression is implemented without context identifier, then data transmission efficiency is improved through compression, but latency increases due to inefficient packet processing

Engineering Contradiction:
Improvedata transmission efficiencyVSAvoidlatency
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The context identifier provides preliminary information about packet compression state in the header, allowing the receiver to prepare processing actions before actual packet processing. This eliminates unnecessary processing steps and reduces latency in handling compressed packets.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The packet header itself contains the context identifier that enables self-identification of compression state. The packet carries its own metadata about how it should be processed, eliminating the need for separate control messages or complex processing logic to determine compression state.

Inventive Principle:
Principle #25Self-service

3Reliability

If separate protocols are used for control operations and data transmission, then control operations can be handled specifically, but device complexity increases and resource consumption increases

Engineering Contradiction:
Improvecontrol operation handlingVSAvoidprotocol complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent creates a universal header structure that handles both control operations and data transmission through the same protocol framework. The context identifier and other header fields serve multiple functions: identifying compression state for data packets and conveying control information for control packets, eliminating the need for separate protocols.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges control operation handling and data transmission into a single unified protocol. Control packets and data packets both use the same header structure with context identifiers, allowing the receiver to distinguish between them and process them appropriately through a single protocol pathway rather than requiring separate protocol stacks.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS11564129B2Context identifier for packet compression
Publication Date: 2023.01.24 QUALCOMM INC
  • US11564129B2 patent drawing
  • US11564129B2 patent drawing
  • US11564129B2 patent drawing

AI summary

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may determine whether a packet, to be transmitted by the transmitter device, is compressed; generate a header for transmission of the packet based at least in part on the determination, wherein the header includes a context identifier indicating whether the packet is compressed; and transmit the packet and the header. Numerous other aspects are provided.