Cognitive Radio Transceiver Adaptive Spectrum Allocation

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Solution Overview

Problem

Conventional wireless communication systems face challenges in efficiently managing real-time and non-real-time data transmission across multiple networks, particularly in adapting to changing environmental conditions and optimizing network resource allocation for multiservice communication devices.

Innovation Solution

The implementation of a multiservice communication device equipped with cognitive radio transceivers and a management unit that dynamically adjusts transmission parameters and allocates resources across multiple networks, using environmental monitoring and logical control channels to optimize data transmission and handoff operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional wireless communication systems transmit data across multiple networks, then network coverage and service capability are improved, but resource allocation efficiency and adaptability to environmental conditions deteriorate

Engineering Contradiction:
Improveadaptability to environmental conditionsVSAvoidresource allocation efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The cognitive radio transceiver automatically monitors environmental conditions, detects available spectrum, and adjusts transmission parameters without external intervention. The system serves itself by making intelligent decisions about resource allocation based on real-time spectrum sensing and environmental assessment, eliminating the need for manual configuration or centralized control while optimizing both adaptability and resource efficiency

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system continuously senses the radio frequency environment and uses this feedback to dynamically adjust transmission parameters. The cognitive radio monitors spectrum usage, interference levels, and environmental conditions, then modifies its operation accordingly. This closed-loop feedback mechanism enables the system to adapt to changing conditions while efficiently allocating resources based on actual environmental state

Inventive Principle:
Principle #23Feedback

2Reliability

If transmission parameters are fixed, then device complexity is reduced, but communication quality and reliability under changing conditions deteriorate

Engineering Contradiction:
Improvecommunication qualityVSAvoidtransceiver complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The cognitive radio transceiver dynamically changes transmission parameters including frequency, power level, modulation scheme, and bandwidth based on environmental conditions. The system senses the radio frequency environment and adjusts parameters in real-time to optimize communication quality. This parameter adaptation enables reliable communication across diverse and changing conditions without requiring multiple dedicated hardware systems

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The transceiver transitions from static, fixed parameters to dynamic, adaptive parameters that change in response to environmental conditions. The cognitive radio continuously monitors the spectrum and adjusts its operation dynamically, allowing the system to maintain reliability while operating in varied environments. The dynamic nature of the transceiver enables it to respond to changing conditions without increasing hardware complexity

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If environmental monitoring is implemented, then adaptability and spectrum utilization are improved, but device complexity and energy consumption increase

Engineering Contradiction:
Improvespectrum utilizationVSAvoidenergy consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The cognitive radio performs continuous spectrum sensing and environmental monitoring to maintain optimal spectrum utilization. Rather than periodic or intermittent monitoring, the system continuously scans the radio frequency environment, detecting available spectrum and adjusting parameters in real-time. This continuous useful action ensures high spectrum utilization efficiency while the energy cost is justified by the significant improvement in communication reliability and resource allocation

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The environmental monitoring function is integrated into the transceiver itself, which serves itself by making intelligent decisions about spectrum usage. The cognitive radio autonomously senses the environment, processes the information, and adjusts its operation without requiring external monitoring infrastructure. This self-service approach improves spectrum utilization while avoiding the additional energy consumption that would result from separate monitoring systems or centralized control

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8868000B2Multiservice communication device with cognitive radio transceiver
Publication Date: 2014.10.21 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LTD
  • US8868000B2 patent drawing
  • US8868000B2 patent drawing
  • US8868000B2 patent drawing

AI summary

A multiservice communication device includes a plurality of transceivers that wirelessly transceive network data with a corresponding plurality of networks in accordance with a corresponding plurality of network protocols, wherein the plurality of transceivers includes at least one cognitive radio transceiver that is configured based on cognitive transceiver configuration data received from a management unit in communication with the multiservice communication device via a control channel.