Selective Ethernet Header Compression for Mixed Packet Types

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Solution Overview

Problem

Existing wireless communication technologies face inefficiencies in header compression and decompression, particularly in handling different packet types such as Ethernet-only, Ethernet with IP payload, and Ethernet with specific IP versions, leading to errors and increased network traffic.

Innovation Solution

Implementing selective header compression and decompression techniques based on packet type, such as Ethernet-only and Ethernet with IP payload types, to avoid incorrect compression and decompression, thereby reducing over-the-air network traffic.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If header compression is applied to all packet types, then network traffic is reduced, but errors occur due to incorrect compression on incompatible packet types

Engineering Contradiction:

Improvenetwork trafficVSAvoidcompression accuracy

Core Design Contradiction:

Loss of energyVSReliability

Solution Approach 1:

The patent changes the parameter of packet type identification to determine appropriate compression methods. By examining packet type parameters (Ethernet-only, Ethernet with IP payload, IPv4, IPv6), the system dynamically selects whether to apply compression, ensuring compatibility and avoiding errors while maintaining traffic reduction benefits.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent applies different compression qualities to different packet types. Instead of uniform compression, it tailors the compression approach to each packet type's specific characteristics, applying compression only where appropriate (Ethernet with IP payloads) and avoiding it for incompatible types (Ethernet-only packets), thus resolving the contradiction between traffic reduction and accuracy.

Inventive Principle:

Principle #3Local quality

2Reliability

If selective header compression based on packet type is implemented, then compression accuracy is improved, but device complexity increases

Engineering Contradiction:

Improvecompression accuracyVSAvoidpacket type detection mechanism

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent performs preliminary packet type detection and classification before applying compression. By identifying the packet type in advance (Ethernet-only, Ethernet with IP payload, IPv4, IPv6), the system prepares the appropriate compression strategy beforehand, avoiding complex runtime decisions and reducing overall system complexity while maintaining high accuracy.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentEP4042655B1Header compression management

Publication Date: 2025.11.26 QUALCOMM INC

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AI summary

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may determine a type of a packet for header compression or decompression, wherein the type of the packet includes at least one of an Ethernet-only packet type or an Ethernet packet with Internet Protocol (IP) payload type. The wireless communication device may perform Ethernet header compression or decompression on the packet. The wireless communication device may selectively perform IP header compression or decompression on the packet based at least in part on the type of the packet. Numerous other aspects are provided.