18155462. ADJUSTMENT OF DOWNLINK RADIO-FRAME TIMING FOR COORDINATED MULTI-POINT RECEPTION BY USER EQUIPMENT IN ADVANCED COMMUNICATION NETWORKS simplified abstract (Dell Products L.P.)
ADJUSTMENT OF DOWNLINK RADIO-FRAME TIMING FOR COORDINATED MULTI-POINT RECEPTION BY USER EQUIPMENT IN ADVANCED COMMUNICATION NETWORKS
Organization Name
Inventor(s)
Eran Goldstein of Montreal (CA)
Jayaram Venguduswamy Srinivasan of Nepean (CA)
ADJUSTMENT OF DOWNLINK RADIO-FRAME TIMING FOR COORDINATED MULTI-POINT RECEPTION BY USER EQUIPMENT IN ADVANCED COMMUNICATION NETWORKS - A simplified explanation of the abstract
This abstract first appeared for US patent application 18155462 titled 'ADJUSTMENT OF DOWNLINK RADIO-FRAME TIMING FOR COORDINATED MULTI-POINT RECEPTION BY USER EQUIPMENT IN ADVANCED COMMUNICATION NETWORKS
The technology described in this patent application focuses on aligning the downlink symbol timing boundaries of coordinated multi-point (CoMP) transmitting radio units to ensure that a user equipment receives signals from each cell at the same time. In a CoMP scenario, synchronized downlink transmissions from connected and cooperating cells are not received simultaneously by the user equipment due to different propagation distances, leading to performance degradation. By offsetting the timing boundaries, the user equipment receives symbols at the desired time, improving throughput and coverage.
- Time alignment of downlink symbol timing boundaries
- Constructive interference for improved performance
- Elimination of inter-symbol interference
- Modified scheduling to prevent interference between coordinated radio units
- Enhanced downlink throughput and coverage
Potential Applications: - Wireless communication systems - Cellular networks - 5G technology - Internet of Things (IoT) devices
Problems Solved: - Misalignment of downlink transmissions in CoMP scenarios - Performance degradation due to different propagation distances - Inter-symbol interference
Benefits: - Improved downlink throughput and coverage - Enhanced user experience in wireless communication - Better coordination between transmitting radio units - Reduction of interference issues in cellular networks
Commercial Applications: Title: Enhanced Coordinated Multi-Point (CoMP) Technology for Wireless Communication Systems This technology can be utilized in various commercial applications such as: - Telecommunications companies optimizing their network performance - IoT device manufacturers improving connectivity and reliability - Mobile network operators enhancing user experience and coverage
Questions about Coordinated Multi-Point (CoMP): 1. How does time alignment of downlink symbol timing boundaries improve performance in CoMP scenarios?
- By aligning the timing boundaries, the user equipment receives symbols at the desired time, leading to constructive interference and better throughput and coverage.
2. What are the potential challenges in implementing modified scheduling to prevent interference between coordinated radio units?
- Some challenges may include ensuring seamless coordination between different cells, managing resource allocation efficiently, and minimizing delays in transmissions.
Original Abstract Submitted
The technology described herein is directed towards aligning the downlink symbol timing boundaries of coordinated multi-point (CoMP) transmitting radio units, so that a user equipment receives transmitted signals from each cell at generally the same time. In a CoMP scenario, synchronized downlink transmissions from a connected cell and a cooperating cell are generally not received at the same time by a target user equipment because of different propagation distances from the transmitting radio units; such misalignment leads to performance degradation. By offsetting the downlink symbol timing boundaries relative to each other, a targeted user equipment receives symbols at the desired time boundary, resulting in constructive interference that improves and a cell's downlink throughput and/or coverage. Time alignment via offset symbol timing boundaries also eliminates inter-symbol interference. Modified scheduling can be used to ensure that downlink and uplink transmissions from the coordinated radio units do not interfere with one another.
