Network Coding Group Formation for Sidelink Efficiency
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Solution Overview
Problem
Current sidelink communication networks face challenges in providing efficient network coding without dedicated network coding devices, leading to increased signaling overhead and power consumption, especially in areas where network coding devices are unavailable.
Innovation Solution
The formation of network coding groups among wireless communication devices that exchange sidelink messages to determine capabilities for network coding, allowing for the transmission of network coded sidelink transmissions using encoding functions like erasure coding, reducing the need for dedicated devices and signaling overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If network coding is implemented without dedicated network coding devices, then device capability utilization is improved, but signaling overhead increases
Solution Approach 1:
The patent combines multiple sidelink transmissions into a single network coded transmission by merging data from multiple source transmissions. The transmitting device performs network coding operations to combine transport blocks from different sources, reducing the total number of transmissions required and improving resource utilization without dedicated network coding devices.
Solution Approach 2:
The patent enables regular transmitting devices to perform network coding functions universally, not requiring specialized network coding devices. Any device capable of receiving and transmitting sidelink communications can also perform network coding operations, making the functionality universal across the network and improving adaptability.
2Adaptability or versatility
If network coding is implemented without dedicated devices, then device versatility is improved, but power consumption increases
Solution Approach 1:
The patent implements self-service network coding where transmitting devices autonomously perform network coding operations on their own transmissions without requiring external network coding devices. The device encodes its own data and combines it with received transmissions, eliminating the need for separate encoding/decoding operations at dedicated devices and reducing overall power consumption.
3Productivity
If network coded transmissions are transmitted to multiple recipients, then communication efficiency is improved, but transmission complexity increases
Solution Approach 1:
The patent segments the network coded transmission process into distinct phases: receiving initial transmissions, performing network coding operations, and transmitting the coded result to multiple recipients. Each phase is handled independently with clear demarcation, reducing overall transmission complexity while maintaining efficiency benefits.
Data Source
AI summary
Aspects relate to mechanisms for forming a network coding group for coordinated sidelink network coding. Two or more wireless communication devices may exchange sidelink messages with one another to form the network coding group. For example, the sidelink messages may indicate a respective capability of each of the wireless communication devices to support sidelink network coding. A first wireless communication device within the network coding group may then transmit a network coded sidelink transmission including transport blocks associated with at least a first sidelink transmission and a second sidelink transmission to at least a second wireless communication device in the network coding group. The second wireless communication device is an intended recipient of at least one of the first or second sidelink transmission.