Base Station Scheduling Relay for Uplink Multi-User Collision Avoidance
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Solution Overview
Problem
Existing wireless communication systems face inefficiencies in multi-user communication due to interference between base stations and wireless terminals, particularly in environments where direct communication between base stations is not possible, leading to frame collisions and increased resource consumption.
Innovation Solution
A communication apparatus and method that enables base stations to share and relay schedule information for multi-user communication by transmitting frames that can be received by both subordinate and neighboring wireless terminals, using unique identifiers to reduce data overhead and prevent collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If base stations transmit schedule information frames to subordinate wireless terminals, then multi-user communication efficiency is improved, but frame collisions between neighboring base stations occur when direct base station communication is not possible
Solution Approach 1:
Wireless terminals act as intermediaries to relay schedule information frames between neighboring base stations. When base station A transmits a schedule information frame to its subordinate terminal, that terminal can forward the frame to base station B, enabling indirect information exchange without direct base station communication links.
Solution Approach 2:
The patent extends communication from the traditional base station-to-terminal dimension to include terminal-to-base station relay paths. By utilizing the wireless terminal as a relay node, schedule information can propagate through alternative spatial dimensions, avoiding direct interference between base stations.
2Ease of operation
If base stations independently determine transmission schedules, then operational simplicity is maintained, but resource consumption increases due to repeated transmissions and collisions
Solution Approach 1:
Base stations receive feedback about neighboring base stations' transmission schedules through relayed schedule information frames. This feedback mechanism enables base stations to adjust their own transmission schedules to avoid collisions, reducing redundant transmissions and energy consumption while maintaining operational autonomy.
Solution Approach 2:
Base stations acquire schedule information from neighboring base stations in advance through the relay mechanism. This preliminary knowledge allows them to pre-coordinate transmission times and resources, preventing collisions before they occur and reducing wasted energy from failed transmissions.
Data Source
AI summary
A communication apparatus and a communication apparatus that perform wireless communication by a multi-user method are provided. The communication apparatus includes a communication section configured to transmit and receive a wireless signal and a control section configured to control operation as a base station, and transmits a frame that includes schedule information relating to scheduled communication of the own station and can be received by a different wireless terminal and receives schedule information relating to scheduled information of a different base station. The scheduled communication includes multi-user communication of an uplink, and the schedule information includes information relating to a transmission schedule of a frame for inducing multi-user communication of an uplink.