反向散射节点差异化的UAV位置与波束联合优化方法
By calculating the priority weight of each tag and performing joint optimization of UAV position and beam, the problems of low resource utilization efficiency and insufficient information timeliness in UAV-assisted backscatter communication systems are solved, realizing the priority transmission of high-value data and improving system performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANJING UNIV OF POSTS & TELECOMM
- Filing Date
- 2026-05-08
- Publication Date
- 2026-07-17
AI Technical Summary
Existing UAV-assisted backscatter communication systems ignore tag differences during resource allocation and channel optimization, resulting in low resource utilization efficiency, high latency for some tags, and insufficient timeliness of system information, making it difficult to meet differentiated service quality requirements.
By executing steps S1 to S4 using computer equipment, the priority weight of each tag is calculated and the joint optimization of UAV position and beam is performed. The block coordinate descent method is used to iteratively solve the receiving beam, transmitting beam and hovering position, optimize the system weighted channel capacity, and dynamically adjust resource allocation to meet the transmission needs of high-value data.
It improves system resource utilization efficiency, reduces tag data transmission latency, enhances system information freshness and communication performance, and is suitable for backscatter IoT scenarios of different scales.
Smart Images
Figure CN122160733B_ABST