Ethernet Header Compression for 5G RRC Resume
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Solution Overview
Problem
The existing 5G wireless communication systems face challenges in efficiently managing radio resource control (RRC) connection resume procedures and uplink data compression, particularly in high-frequency bands, leading to reduced coverage and resource bottlenecks.
Innovation Solution
A method and apparatus are introduced to efficiently manage RRC connection resume procedures and uplink data compression by using Ethernet header compression and decompression techniques, adapting to different terminal capabilities and modes, and optimizing resource usage through data compression and decompression protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If Ethernet header compression is applied in uplink data transmission, then overhead is reduced and resource utilization is improved, but device complexity increases due to compression and decompression procedures
Solution Approach 1:
The patent uses copy operations to transfer Ethernet header fields between transmission and reception buffers, enabling compression and decompression through simple memory copying rather than complex processing. The source Ethernet header is copied to a transmission buffer, modified fields are copied back, and received compressed headers are copied to reception buffers for decompression.
Solution Approach 2:
The patent replaces complex mechanical Ethernet header processing with buffer-based memory operations. Instead of intricate header manipulation routines, the system uses buffered storage and copy operations to achieve compression and decompression, significantly reducing computational complexity while maintaining efficiency.
2Adaptability or versatility
If RRC connection resume procedure is implemented, then terminal mobility is supported, but latency increases due to connection reestablishment overhead
Solution Approach 1:
The patent performs preliminary actions by pre-configuring Ethernet header compression parameters and buffers during the initial RRC connection setup. This preliminary configuration eliminates the need for repeated compression parameter negotiations during connection resume procedures, reducing latency while maintaining mobility support.
Solution Approach 2:
The terminal autonomously manages Ethernet header compression state and buffers during RRC connection transitions. The device maintains compression context locally and performs self-service decompression at reception, eliminating dependency on network-side processing during fast resume procedures and reducing overall latency.
3Speed
If high-frequency bands are used for 5G communication, then data rates are increased, but coverage area is reduced due to propagation loss
Solution Approach 1:
The patent extracts and removes Ethernet header overhead from uplink data transmissions by applying compression specifically to the header portion. This extraction of unnecessary overhead reduces the total transmission size, effectively increasing the proportion of useful data transmitted and improving spectral efficiency in high-frequency bands where coverage is limited.
Solution Approach 2:
The patent dynamically adjusts Ethernet header compression parameters based on transmission conditions and terminal capabilities. By changing compression parameters adaptively, the system optimizes the balance between overhead reduction and processing complexity, maximizing data transmission efficiency in constrained high-frequency coverage areas.
Data Source
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AI summary
The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the loT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure discloses a method and apparatus for reducing overhead of an Ethernet frame, a method and apparatus for efficiently performing a connection resume procedure of a terminal, and a method and apparatus for preventing a loss of data when performing an uplink user data compression procedure.