Base Station Repetition Control for Satellite Random Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for effective methods to deliver diverse services in wireless communication systems, particularly in satellite communication systems, as the increasing number of connected devices and advanced services require improved operations between terminals and base stations.
Innovation Solution
A method involving a base station that receives capability information from user equipment via a physical random-access channel, identifies a repetition transmission value based on the distance between the UE and the base station, and transmits this information to the UE, enabling efficient service provision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If repetition transmission is implemented in satellite communication systems, then transmission reliability is improved, but transmission time is increased
Solution Approach 1:
The base station dynamically determines the repetition transmission value based on the distance between the UE and the base station. By changing the repetition parameter according to distance, the system achieves reliable transmission for distant UEs while minimizing unnecessary repetition for nearby UEs, thus balancing reliability and time efficiency
Solution Approach 2:
The repetition transmission value is not fixed but is dynamically determined by the base station based on real-time distance information. This dynamic adjustment allows the system to adapt the transmission strategy to current conditions, optimizing both reliability and time performance
2Ease of operation
If capability information exchange is performed via physical random-access channel, then ease of operation is improved, but information loss may occur
Solution Approach 1:
The base station receives capability information from the UE via the physical random-access channel and uses this feedback to determine the appropriate repetition transmission value. This feedback mechanism ensures that the base station has accurate information about UE capabilities while maintaining the ease of random access procedure
Solution Approach 2:
The base station determines the repetition transmission value based on the received capability information and distance information before actual data transmission begins. This preliminary configuration ensures that the transmission parameters are optimized in advance, preventing information loss and improving overall efficiency
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a base station in a wireless communication system, according to various embodiments of the present disclosure, may comprise the steps of: receiving, from a user equipment and through a physical random access channel (PRACH) or message 3, capability information with respect to repetitive transmission of the user equipment; identifying a repetitive transmission value on the basis of the capability information and the distance between the user equipment and the base station; and transmitting information related to the repetitive transmission value to the user equipment.