Cooperation Facilitator Node for Wireless Network Sum-Capacity
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Solution Overview
Problem
Current data transmission systems face challenges in achieving high network performance and reliability due to limited network resources, particularly in scenarios with multiple transmitters accessing a shared channel, where cooperation among nodes is not effectively utilized to enhance data rates and reliability.
Innovation Solution
The implementation of a cooperation facilitator (CF) node that coordinates data transmission among multiple access channels by encoding messages using codewords based on cooperation parameters, allowing nodes to share information and create dependence among independently generated codewords, thereby increasing the sum-capacity and reliability of the network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If nodes transmit data independently without cooperation, then device complexity is reduced, but sum-capacity and data transmission rates are limited
Solution Approach 1:
The patent introduces a cooperation facilitator (CF) as an intermediary node that receives data parameters from multiple transmitters, generates cooperation parameters, and distributes them back to the transmitters. This mediator enables coordinated transmission without requiring direct complex interactions between all transmitter pairs, thereby increasing sum-capacity while managing system complexity through centralized coordination.
2Productivity
If more bits are shared among transmitters through the cooperation facilitator, then cooperation gain increases superlinearly, but network resource consumption increases
Solution Approach 1:
The patent dynamically adjusts the number of bits shared between transmitters and the cooperation facilitator based on channel conditions, traffic demands, and system state. By optimizing the information exchange rate parameter, the system achieves superlinear cooperation gain while controlling network resource consumption, allowing flexible adaptation to different operational scenarios.
3Reliability
If a cooperation facilitator is introduced to coordinate transmission, then reliability and sum-capacity improve, but device complexity increases
Solution Approach 1:
The cooperation facilitator serves as a dedicated intermediary that centralizes the coordination function, simplifying the overall system architecture compared to distributed coordination approaches. The CF handles parameter generation and distribution, improving transmission reliability through coordinated coding while isolating complexity to a single node rather than requiring complex interactions across all network elements.
Solution Approach 2:
The cooperation facilitator is designed as a multi-functional node that can serve multiple transmitters simultaneously, generating cooperation parameters for various transmitter pairs using the same infrastructure. This universal approach improves reliability across multiple communication links while avoiding the need for separate coordination mechanisms for each transmitter pair, thereby managing system complexity efficiently.
Data Source
AI summary
Systems and methods for improved data transmission utilizing a communication facilitator are described in accordance with embodiments of the invention. One embodiment includes a plurality of nodes, that each comprise: a transmitter; a receiver; and an encoder that encodes message data for transmission using a plurality of codewords; a cooperation facilitator node comprising: a transmitter; and a receiver; wherein the nodes are configured to transmit data parameters to the cooperation facilitator; wherein the cooperation facilitator is configured to generate cooperation parameters based upon the data parameters received from the nodes; wherein the cooperation facilitator is configured to transmit cooperation parameters to the nodes; and wherein the encoder in each of the nodes selects a codeword from the plurality of codewords based at least in part upon the cooperation parameters received from the communication facilitator and transmit the selected codeword via the multiple access channel.