Communication method and apparatus
By sending different downlink control information on different time domain resources in the NTN communication system to repeat scheduling information, the problem of poor satellite communication signal coverage is solved, the access success rate is improved and the latency is reduced.
WO2026124151A1PCT designated stage Publication Date: 2026-06-18HUAWEI TECH CO LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- HUAWEI TECH CO LTD
- Filing Date
- 2025-11-19
- Publication Date
- 2026-06-18
AI Technical Summary
⚠Technical Problem
In NTN communication systems, satellite communication signals travel long distances and suffer from significant path loss, resulting in poor coverage performance of the physical downlink control channel and impacting terminal access success rate and latency.
⚗Method used
Different downlink control information is sent on different time domain resources, carrying the same scheduling information. This repeated transmission improves coverage and ensures compatibility with existing standard protocols.
🎯Benefits of technology
This increases the probability of a terminal successfully obtaining scheduling information from broadcast messages, reduces access latency and failure rate, and also reduces the difficulty of modifying standard protocols.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN2025135988_18062026_PF_FP_ABST
Abstract
A communication method and apparatus, which are beneficial to improving the coverage of a downlink control channel. The method comprises: a network device sending first downlink control information on a first time domain resource, and sending second downlink control information on a second time domain resource, wherein the first downlink control information and the second downlink control information carry the same scheduling information, and the number of bits of the first downlink control information is different from the number of bits of the second downlink control information; and a terminal respectively receiving, on the first time domain resource and the second time domain resource, different pieces of downlink control information carrying the same scheduling information, and improving, by means of decoding the two pieces of downlink control information, the probability of successfully acquiring the scheduling information.
Need to check novelty before this filing date? Find Prior Art