Cooperative User Equipment Relaying for High-Frequency Coverage
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Solution Overview
Problem
The increasing density of user equipment and limited coverage range due to high spectrum frequencies in wireless communication networks lead to inefficient and unreliable point-to-point connections, necessitating improved communication methods to enhance coverage and capacity.
Innovation Solution
Implementing cooperative communication among user equipment groups, where active devices relay data to passive devices through device-to-device links, facilitated by base stations, to optimize data transfer and reduce power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If point-to-point connections are used between user equipment and base stations, then each device can communicate independently, but the communication range is limited due to high spectrum frequencies and signal loss
Solution Approach 1:
The patent introduces intermediary user equipment devices that relay data between disconnected target devices and base stations. Active user equipment within communication range of base stations act as intermediaries to forward data to passive target user equipment that are out of direct range, thereby extending coverage while maintaining reliable communication through multiple hops.
2Productivity
If high spectrum frequencies (mmW, THz) are used, then data transmission capacity increases, but the coverage range is limited due to signal loss
Solution Approach 1:
The patent segments the communication path into multiple shorter hops through intermediate user equipment. Instead of one long direct connection that suffers from high signal loss at high frequencies, the data is divided into segments transmitted through multiple relay devices, each covering a shorter distance where signal loss is manageable, thereby maintaining high data capacity while extending overall coverage.
3Productivity
If user equipment density increases, then network capacity increases, but point-to-point connections become inefficient without cooperation between nearby devices
Solution Approach 1:
The patent merges the communication resources and capabilities of multiple nearby user equipment devices into a cooperative network. User equipment within the same geographic area are grouped and work together, with active devices sharing their base station connections with passive devices, thereby improving overall communication efficiency and utilizing the increased device density effectively.
Data Source
AI summary
User equipment in close proximity may transfer data and control information. For example, the user equipment may exchange data or data sets between each other. Each user equipment can receive and transmit data using radio access technologies. A group of user equipments may include active user equipment and passive user equipment. Active user equipment connects with one or more base stations and transfers data on a wireless communication network via the base station. The active user equipment may communicate with other active user equipment and passive user equipment. Passive user equipment may not connect to any base station and/or the wireless communication network and may communicate with other passive user equipment and active user equipment (e.g., via a sidelink, peer-to-peer, or device-to-device channel).