Relay Communication Period Resource Allocation for Response Messages
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Solution Overview
Problem
In UE-to-Network relay technology, remote user equipment often fails to detect response messages from relay user equipment due to separate communication periods, leading to increased service request failure probabilities.
Innovation Solution
The solution involves the relay user equipment requesting a resource from the base station with indication information from the remote user equipment to ensure resource allocation within the relay communication period, allowing the relay user equipment to send response messages during the correct communication period.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the relay user equipment sends response messages in the base station communication period, then the resource utilization is improved, but the remote user equipment cannot detect the response messages because it does not listen during this period
Solution Approach 1:
The communication period is segmented into two distinct phases: base station communication period and relay communication period. The remote user equipment alternates between listening to the base station and listening to relay user equipment, ensuring that response messages from relay user equipment are detected during the relay communication period when the remote user equipment is actively listening.
Solution Approach 2:
The communication system dynamically switches between different communication modes within a period. The remote user equipment dynamically alternates between base station communication mode and relay communication mode, allowing it to efficiently utilize resources while ensuring reliable detection of response messages from relay user equipment.
2Object-affected harmful factors
If separate communication periods are configured for base station and relay communication, then the interference between communications is reduced, but the response message transmission reliability deteriorates
Solution Approach 1:
The system implements periodic alternation between base station communication periods and relay communication periods. During base station communication periods, the remote user equipment listens to the base station; during relay communication periods, it listens to relay user equipment. This periodic switching reduces interference while ensuring response messages are transmitted and received during appropriate periods.
Data Source
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AI summary
Embodiments of the present invention provide a response message transmission method and apparatus. In the embodiments of the present invention, a base station can determine a relay communication period of remote user equipment by using indication information carried in a resource request of relay user equipment or by using a resource request of the remote user equipment, and allocate a resource in the relay communication period to the relay user equipment, so that the relay user equipment returns a response message to the remote user equipment by using the resource. Therefore, for a request message sent by the remote user equipment, it can be ensured that the relay user equipment returns, in the relay communication period, a response message corresponding to the request message to the remote user equipment, to avoid a case in which the remote user equipment cannot detect the response message, and to reduce a failure probability of a service requested by the remote user equipment.