Flow-Specific Resource Reservation for Multi-Hop Relay Latency
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing back-to-back transmissions via multi-hop relay paths, particularly in handling low latency and dynamic traffic flows, due to limitations in resource reservation and channel access protocols.
Innovation Solution
The implementation of flow-specific resource reservation techniques, including TXOP sharing and orthogonal channel reservation, allows for efficient transmission opportunities and channel allocation along multi-hop relay paths, enabling timely data transfer and reducing interference between devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If traditional channel access protocols are used for multi-hop relay paths, then device simplicity is maintained, but transmission latency increases and spectral efficiency decreases
Solution Approach 1:
The patent applies preliminary action by establishing flow-specific resource reservations and time slot sequences before actual data transmission occurs. The access point pre-allocates transmission opportunities and assigns time slots to different flows along the multi-hop relay path, enabling devices to transmit without waiting for dynamic contention. This reservation mechanism reduces transmission latency by eliminating the need for real-time channel access negotiation while maintaining manageable complexity through structured allocation protocols.
2Productivity
If transmission opportunities are shared among multiple devices, then spectral efficiency increases, but interference between devices increases
Solution Approach 1:
The patent applies segmentation by dividing the transmission medium into flow-specific time slots and resource blocks. Each flow along the multi-hop relay path is assigned dedicated time slots, preventing simultaneous transmissions that would cause interference. The access point segments the channel access opportunities based on flow identifiers, allowing multiple devices to share the spectrum efficiently while eliminating collisions through temporal separation. This segmented approach maintains spectral efficiency by utilizing all allocated resources while preventing harmful interference through strict time-division multiplexing.
3Adaptability or versatility
If dynamic traffic flows are accommodated, then adaptability improves, but resource allocation complexity increases
Solution Approach 1:
The patent applies dynamics by implementing a flexible resource allocation mechanism that can adapt to varying traffic conditions while maintaining a structured framework. The access point dynamically adjusts time slot assignments and transmission opportunities based on current traffic demands, flow priorities, and channel conditions. Flow-specific resource reservations are established and modified according to actual traffic patterns, allowing the system to accommodate dynamic traffic flows. This dynamic approach balances adaptability with manageable complexity by using algorithmic resource allocation that responds to conditions without requiring complex manual configuration.
Data Source
AI summary
This disclosure provides methods, components, devices and systems for back-to-back transmissions via a multi-hop relay path using flow-specific resource reservation. Some aspects more specifically relate to flow-specific transmission opportunity (TXOP) sharing and/or orthogonal channel reservation in combination with a flow-specific sequence of time slots. In implementations in which flow-specific TXOP sharing is employed in combination with a flow-specific sequence of time slots, one or more wireless communication devices may determine whether a shared TXOP supersedes the flow-specific sequence of time slots in accordance with whether the shared TXOP is associated with a same flow as the sequence of time slots. In implementations in which orthogonal channel reservation is employed in combination with a flow-specific sequence of time slots, each wireless communication device of a multi-hop relay path may receive an indication of or otherwise be configured with a frequency channel via which to transmit.