Dynamic Frequency Hopping in Universal Base Station Architecture
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Solution Overview
Problem
Current wireless communication systems face challenges with co-channel interference and high maintenance costs due to the need for dedicated hardware for multiple mobile communication standards, which also limits their ability to support dynamic frequency hopping efficiently.
Innovation Solution
A communications system and method that utilize a server with radio head interface modules and call processing software to dynamically reconfigure frequency channels based on modulation protocols, enabling frequency hopping by receiving and acting on frequency hopping instructions, ensuring synchronization between base station components and mobile devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated hardware is used for each mobile communication standard, then system reliability is improved, but device complexity and operational expenses increase
Solution Approach 1:
The patent implements a universal base station architecture where a single platform supports multiple mobile communication standards (AMPS, TDMA, CDMA, GSM, GPRS, EDGE, iDEN, WCDMA, OFDM) through software-defined radio technology. This multi-functional approach eliminates the need for separate dedicated hardware for each standard, reducing device complexity while maintaining reliable communication across all standards through a unified system.
2Productivity
If frequency hopping is implemented to reduce co-channel interference, then network capacity is improved, but synchronization complexity increases
Solution Approach 1:
The patent implements a feedback-based synchronization mechanism where the base station monitors the synchronization status of mobile devices performing frequency hopping. The system detects out-of-sync conditions and sends control signals to realign the frequency hopping sequences, ensuring that both base station and mobile devices remain synchronized while benefiting from the interference-reduction and capacity-enhancement effects of frequency hopping.
3Adaptability or versatility
If multiple mobile communication standards are supported, then adaptability is improved, but maintenance costs increase
Solution Approach 1:
The patent creates a universal base station platform that supports multiple mobile communication standards through software-defined radio, allowing a single system to adapt to different standards as needed. This approach improves adaptability while reducing maintenance costs by eliminating the need to maintain separate hardware systems for each standard, as all standards are handled by a unified platform with centralized management and monitoring capabilities.
Data Source
AI summary
A frequency hopping communications system is disclosed. A server is adapted to have one or more radio head interface modules and a call processing software module. The call processing software module performs modulation and demodulation of voice and data streams using one or more air interface standards. A radio head unit is coupled to the radio head interface module over one or more transport mediums and communicates with one or more subscriber units using the one or more air interface standards. The one or more radio head interface modules, are adapted to receive frequency channel hopping information, including a channel and a time to hop trigger, from the call processing software module for one or more of a plurality of communication channels.