Wireless Relay Control Signaling With Multi-Phase Frame Scheduling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Multi-hop wireless networks experience significant latency and delay due to the multiple hops required for communication between mobile nodes and access gateways, which affects data transmission efficiency.
Innovation Solution
Implementing a multi-phase operation method where data frames and control frames are transmitted and received in specific directions during distinct phases, utilizing dedicated control channels and orthogonal wireless media to optimize communication flow and reduce switching delays between transmit and receive modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple hops are used in relay networks to extend coverage, then network coverage is improved, but latency and delay increase significantly
Solution Approach 1:
The patent segments the transmission of data and control information into separate phases. Data frames and control frames are transmitted in different time slots/phases, allowing parallel processing and reducing the total time required for multi-hop transmission while maintaining extended network coverage.
Solution Approach 2:
The patent implements preliminary actions by transmitting control frames in advance during specific phases before data transmission completes. This allows relay nodes to prepare for subsequent transmissions and acknowledgments, reducing overall latency in multi-hop networks.
2Productivity
If traditional single-phase transmission is used, then device complexity is low, but productivity and transmission efficiency are reduced due to multiple mode switchings
Solution Approach 1:
The patent implements periodic action by dividing transmission into repeating phases (e.g., Phase 1: DL data/UL control, Phase 2: UL data/DL control). This structured periodic approach improves transmission efficiency by reducing mode switchings while keeping device complexity manageable through standardized phase patterns.
Solution Approach 2:
The patent ensures continuity of useful action by overlapping data and control frame transmissions across different phases. While one direction transmits data, the other direction transmits control information simultaneously, maximizing resource utilization and transmission efficiency without requiring complex switching.
3Productivity
If dedicated control channels are implemented, then control signaling efficiency is improved, but device complexity and resource requirements increase
Solution Approach 1:
The patent applies universality by using the same dedicated control channel resources for multiple purposes across different phases. The control channel serves both acknowledgment functions and data transmission functions in different phases, improving control signaling efficiency without proportionally increasing device complexity.
Data Source
AI summary
Various example embodiments are disclosed relating to wireless networks, such as relay networks or multi-hop networks, and also relating to control signaling techniques for wireless networks. In an example embodiment, a method or technique may include transmitting (e.g., data or control) frames in a downlink direction and control frames in an uplink direction during a first phase, and transmitting (e.g., data or control) frames in an uplink direction and control frames in a downlink direction during a second phase.