Superframe Structure for Heterogeneous Wireless Cell Integration
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Solution Overview
Problem
Current broadband wireless communication systems face challenges in integrating outdoor and indoor communication environments due to complex interworking, differing frequency bands, and increased implementation complexity, which hinders the provision of diverse and complex user services.
Innovation Solution
A broadband wireless communication system that uses a superframe structure divided into a common and environment-dependent part, transmitting signal configuration information to enable seamless communication across different frequency bands and environments, synchronizing base stations, and supporting various communication technologies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate communication systems are used for outdoor and indoor environments, then each system can be optimized for its specific environment, but the interworking becomes complex and processing delays occur
Solution Approach 1:
The patent merges outdoor and indoor communication systems into a single integrated system that uses a unified frame structure. The superframe is divided into a first part with a common signal structure and a second part with environment-dependent signal structures, allowing both outdoor and indoor communications to coexist within one system framework, thereby reducing interworking complexity while maintaining environment-specific optimization
Solution Approach 2:
The patent segments the superframe into distinct parts: a first part containing common signals and a second part containing environment-specific signals. This segmentation allows the system to maintain a unified structure while accommodating different communication environments through modular, interchangeable signal configurations in the second part
2Adaptability or versatility
If different frequency bands are used for outdoor and indoor systems, then each system can operate independently, but flexible frequency use becomes difficult
Solution Approach 1:
The patent implements dynamic frequency allocation where the second part of the superframe can be configured with different signal structures adapted to the specific communication environment. This allows the system to dynamically switch between frequency bands and signal configurations based on whether outdoor or indoor communication is required, providing flexible frequency use while maintaining reliable independent operation through environment-specific optimizations
3Adaptability or versatility
If user terminal is equipped with function to use both systems, then diverse services can be provided, but implementation complexity of terminal increases
Solution Approach 1:
The patent creates a universal terminal design that can operate in both outdoor and indoor environments using a single integrated communication module. The terminal processes the common first part of the superframe uniformly and adapts to different environments by interpreting the environment-specific second part, providing diverse service capabilities without requiring separate hardware implementations for each environment
Data Source
AI summary
An apparatus and method for supporting cells with different characteristics in a wireless communication system are provided. To operate for communications in a frame divided into a first part of a system common signal structure and a second part of a communication environment-dependent signal structure in a wireless communication system in which cells co-exist under different communication environments, a BS generates physical configuration information about a signal of the second part, transmits the physical configuration information about the signal of the second part in the first part, and conducts communications by processing signals transmitted and received in the second part according to the physical configuration information.