Relay Node Backhaul Selection and Resource Scheduling
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Solution Overview
Problem
In wireless communication networks, relay nodes often face challenges with insufficient access to wired or wireless backhaul resources, leading to inefficient use of wireless access resources, quality issues, and increased latency due to shared wireless communication technologies.
Innovation Solution
A system and method that includes a first base station and backhaul user equipment devices capable of wireless communication through multiple technologies, allowing the base station to select the most suitable backhaul user equipment or second base station for traffic transmission, optimize transmission power levels, and schedule resource blocks to enhance backhaul traffic transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless access resources are shared between user equipment and the second base station for backhaul, then the relay node can establish backhaul connection, but the efficiency of wireless access resources deteriorates
Solution Approach 1:
The patent segments the backhaul connection establishment by introducing intermediate relay nodes that divide the backhaul path into multiple hops. Instead of direct sharing between base station and second base station, the backhaul traffic is segmented through multiple relay nodes, allowing dedicated resource allocation for each segment and improving overall resource efficiency while maintaining reliable backhaul connection.
Solution Approach 2:
The patent introduces intermediate relay nodes as mediators between the base station and the second base station. These relay nodes act as intermediaries that manage and optimize the shared wireless resources, enabling efficient resource allocation and reducing direct resource contention between the base station and remote base station, thereby improving both reliability and productivity.
2Reliability
If wireless access technology is used for backhaul between base station and second base station, then backhaul connection is established, but quality of link deteriorates and latency increases
Solution Approach 1:
The patent implements dynamic resource allocation and adaptive modulation for backhaul links. The system dynamically adjusts transmission parameters, resource block assignments, and power levels based on channel conditions and traffic demands, optimizing the balance between connection reliability and latency reduction in varying wireless environments.
Solution Approach 2:
The patent changes key transmission parameters including resource block allocation, modulation schemes, and power levels to optimize backhaul performance. By adjusting these parameters dynamically based on channel quality and traffic requirements, the system reduces latency while maintaining reliable backhaul connection through parameter optimization.
3Quantity of substance
If additional backhaul through wireless communication technology is used, then backhaul capacity is increased, but interference degrades the overall wireless system
Solution Approach 1:
The patent applies local quality optimization by allocating specific frequency resources and time slots dedicated to backhaul transmissions in localized contexts. Different resource patterns are applied locally at each relay node based on their specific interference environments, allowing backhaul capacity increase while minimizing interference through localized resource optimization.
Solution Approach 2:
The patent implements periodic resource allocation patterns for backhaul transmissions, using time-division multiplexing where backhaul traffic is transmitted in periodic intervals. This periodic action allows the system to increase backhaul capacity while managing interference by confining backhaul transmissions to specific time windows, reducing continuous interference impact on the overall wireless system.
Data Source
AI summary
Systems, methods, and apparatuses for enhancing a relay node with additional backhaul alternatives and selection are provided. One system includes a first base station (BS) and backhaul user equipment (bUE) devices that communicate with the first BS through a first communication technology, and communicate with a data network through a second communication technology. A second base station (BS) communicates with the first BS and a second data network. The first BS is operative to communicate with user equipment (UE) devices, and network connect the UE devices to the data network or the second data network, select the bUE devices or the second BS for backhaul (BH) traffic, aid in selecting the transmission power level of the bUE devices or the UE devices, and transmit resource block (RB) scheduling information for the BH traffic transmission of the bUE devices and access traffic of the UE devices.