Relay Devices for Inter-Base Station Logical Interface Communication
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Solution Overview
Problem
LTE network eNodeBs often face challenges in wireless communication due to spectrum availability, interference, throughput limitations, cost, location, and propagation issues, especially when adjacent cells are outside each other's wireless range, making direct wireless communication impossible.
Innovation Solution
Deploying relay devices capable of wireless communication with eNodeBs to establish indirect communication paths using WiFi, WiMax, Bluetooth, or NFC, and configuring them with routing tables to facilitate communication between adjacent cells through chains or trees of relay devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If eNodeBs use direct wireless communication, then communication speed and reliability are improved, but spectrum availability and interference issues worsen
Solution Approach 1:
The patent introduces relay devices as intermediary nodes between eNodeBs to establish indirect communication paths. These relay devices receive communications from one eNodeB and forward them to another, enabling communication without direct wireless links between eNodeBs, thus reducing spectrum congestion and interference while maintaining communication functionality
2Reliability
If eNodeBs use wired backhaul communication, then reliability is improved, but device complexity and cost increase
Solution Approach 1:
Relay devices serve as intermediary nodes that can be deployed in a hierarchical manner, where some relay devices connect to wired backhaul while others provide wireless relay services. This reduces the need for every eNodeB to have direct wired connections to the core network, simplifying overall network complexity while maintaining reliability through multiple path options
3Area of stationary object
If relay devices are deployed to extend coverage, then network coverage is improved, but device complexity increases
Solution Approach 1:
The relay devices are designed with multi-functionality, capable of performing routing, wireless communication relaying, and potential mobile hotspot functions. This universal design allows a single device type to serve multiple purposes, reducing the need for specialized equipment and simplifying deployment while extending network coverage to areas outside direct eNodeB range
Data Source
AI summary
A relay device configured to facilitate a wireless communication over a logical interface between a first base station and a second base station is described herein. The logical interface may be an X2 interface for a Long Term Evolution network. The relay device receives the wireless communication from the first base station using one or more wireless transceivers of the relay device. The relay device may identify the second base station based at least in part on information associated with the wireless communication. Then, the relay device may transmit the wireless communication to the second base station through the one or more wireless transceivers.