Method for detecting physical downlink control channel, method for transmitting physical downlink control channel, and related device

CN122373151APending Publication Date: 2026-07-10ZTE CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZTE CORP
Filing Date
2025-01-08
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In communication systems, the low efficiency of physical downlink control channel detection between base stations and terminals leads to a high PDCCH blocking rate, making it impossible to effectively utilize CCE resources.

Method used

By detecting the physical downlink control channel based on the identifier of the dedicated search space of the communication device and/or the identifier of the bandwidth portion, it is ensured that the UE-specific search space of different BWPs has a different starting position in the entire search space, avoiding overlap between search spaces and improving the efficiency of CCE utilization.

Benefits of technology

It reduced the PDCCH blocking rate, improved the efficiency of CCE utilization, and optimized the utilization of communication resources.

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Abstract

The embodiment of the disclosure provides a physical downlink control channel detection method, a sending method and related equipment, relates to the technical field of communication, and can detect and send the physical downlink control channel. The method is applied to a first communication device, and includes the following steps: determining the position of a candidate physical downlink control channel from a search space of the physical downlink control channel based on the identification of the search space and / or the identification of a partial bandwidth; and performing physical downlink control channel detection on the position of the candidate physical downlink control channel.
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