Guided Wave Coupler for High-Bandwidth Small Cell Base Stations
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Solution Overview
Problem
Current communication networks face challenges in providing high bandwidth and efficient data transmission, especially with the increasing demand from smartphones and other portable devices, as traditional macrocell base stations struggle to keep up with the demand for broadband services.
Innovation Solution
A guided wave communication system that uses electromagnetic waves bound to a transmission medium, such as wires, to transmit data without the need for an electrical return path, allowing for efficient data transmission over long distances with reduced loss, using couplers to launch and extract guided waves at millimeter-wave frequencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional macrocell base stations are used for wireless communication, then coverage area is large, but bandwidth capability is insufficient to meet increasing data demand
Solution Approach 1:
The patent segments the wireless communication network into macrocells for wide coverage and small cells (microcells, picocells) for high-bandwidth areas. This segmentation allows the system to simultaneously provide both large coverage areas and high bandwidth capability by distributing small cells within macrocell coverage zones to handle data-intensive services.
2Productivity
If small cell deployment is implemented to provide additional mobile bandwidth, then bandwidth capability increases, but system complexity increases
Solution Approach 1:
The patent designs small cell base stations with multi-functional capabilities that can serve both as wireless access points and as network termination devices for guided wave communication systems. This universality allows a single device to provide multiple services (wireless communication and wired broadband access), reducing the need for separate infrastructure and thereby lowering overall system complexity despite the deployment of numerous small cells.
3Loss of energy
If guided wave communication system is used for data transmission, then propagation loss is reduced, but device complexity increases due to couplers and transmission medium requirements
Solution Approach 1:
The patent merges the wireless communication function and guided wave communication function into a single small cell base station. The couplers and transmission medium components are integrated within the base station housing, combining multiple communication modalities (wireless and wired) into one unified device. This merging reduces the need for separate infrastructure components and simplifies deployment despite the technical complexity of guided wave communication.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables efficient data transmission with reduced propagation loss, supporting high-bandwidth communication over long distances without the need for separate electrical return paths, enhancing network capacity and reliability.
Implementation Method 1
A guided wave communication system that uses electromagnetic waves bound to a transmission medium, such as wires, to transmit data without the need for an electrical return path
Data Source
AI summary
Aspects of the subject disclosure may include, for example, a repeater device having a first coupler to extract downstream channel signals from first guided electromagnetic waves bound to a transmission medium of a guided wave communication system. An amplifier amplifies the downstream channel signals to generate amplified downstream channel signals. A channel selection filter selects one or more of the amplified downstream channel signals to wirelessly transmit to the at least one client device via an antenna. A second coupler guides the amplified downstream channel signals to the transmission medium of the guided wave communication system to propagate as second guided electromagnetic waves. Other embodiments are disclosed.