Communication method and communication device

By receiving multiple SSBs within the SSB cycle and merging and parsing, the problem that terminal devices in the edge area of ​​the network are unable to successfully receive SSBs is solved, which improves the performance of random access and reduces delay.

CN119729736APending Publication Date: 2025-03-28HUAWEI TECH CO LTD
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Patent Information

Application Number
CN202311274712.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-26
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the edge area of ​​the network, due to the limited link budget, the terminal device may not be able to successfully receive and read the synchronous signal block (SSB), affecting the performance of random access and increasing the delay.

Method used

The terminal device determines the maximum number of repeated receptions of the SSB by M based on one or more parameters of the reference signal reception power (RSRP), the reference signal reception quality (RSRQ), or the received signal strength indication (RSSI), and receives up to M SSBs in one SSB cycle to increase the probability of successfully resolving the SSB.

Benefits of technology

By increasing the number of SSB reception times, the terminal device can determine the system information block (SIB) faster and acquire cell information, thereby reducing the delay of random access.

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Abstract

Disclosed in an embodiment of the present application are a communication method and a communication device, the method comprising: a terminal device determining, based on a first parameter, a maximum number M of repeated reception times of a synchronization signal block (SSB), M being an integer greater than 1, the first parameter being one or more of a reference signal received power (RSRP), a reference signal received quality (RSRQ) or a received signal strength indicator (RSSI); and the terminal equipment receives N SSBs from the network equipment based on the maximum SSB repeated receiving times M, the N SSBs are located in the same SSB period, and N is an integer greater than 0 and less than or equal to M. Based on the method described by the invention, the time delay of random access of the terminal equipment can be reduced.
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