MIMO Transceiver Network for Indoor Wireless Data Rates
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Solution Overview
Problem
Current wireless communication systems, such as the ClearFill Star (CFS) system, do not utilize Multiple-Input-Multiple-Output (MIMO) processing, which limits data rates and throughput in indoor environments like buildings and tunnels, despite the potential for improved performance with MIMO systems.
Innovation Solution
The implementation of a method that generates RF transmission data in parallel transceiver paths using a common backhaul processing unit, distributing data packets over an Ethernet network to multiple sectors with transceivers arranged for MIMO transmissions, allowing for coordinated RF transmissions between multiple antennas and terminals, and enabling interference cancellation and beam forming across sectors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If MIMO processing is implemented in the CFS system, then data rates and throughput are improved, but device complexity and infrastructure requirements increase
Solution Approach 1:
The patent combines multiple transceiver paths into a unified MIMO system where multiple antennas transmit and receive signals simultaneously. The base station integrates multiple transceiver units that work together as a coordinated MIMO system, merging previously separate communication paths into a unified multi-antenna system that achieves higher data rates through spatial multiplexing.
Solution Approach 2:
The existing CFS system components are adapted to serve multiple functions. The base station and transceiver units are configured to perform both traditional single-antenna communication and MIMO operations. The system can dynamically switch between different transmission modes (single-antenna, MISO, SIMO, or full MIMO) depending on channel conditions and terminal capabilities, making the infrastructure universally applicable to various communication scenarios.
2Reliability
If MIMO processing is implemented in the CFS system, then channel performance is improved, but infrastructure requirements increase
Solution Approach 1:
The MIMO implementation in the CFS system is dynamic rather than static. The base station and transceiver units can adaptively adjust the number of active antennas, transmission modes, and signal processing parameters based on real-time channel conditions, terminal mobility, and traffic requirements. This dynamic configuration allows the system to optimize channel performance while managing infrastructure complexity through flexible resource allocation.
Solution Approach 2:
The system incorporates self-organizing capabilities where the base station automatically configures MIMO parameters, performs channel state estimation, and adjusts transmission strategies without extensive manual intervention. The existing CFS infrastructure leverages its own components (base station, transceiver units, Ethernet network) to enable MIMO functionality, making the system self-sufficient in adapting to new operational requirements.
3Productivity
If parallel transceiver paths are used for MIMO, then data distribution capability is improved, but network complexity increases
Solution Approach 1:
The patent segments the data distribution task across multiple parallel transceiver paths, with each path handling specific data streams for different antennas or spatial layers. The base station divides incoming data into multiple parallel flows that are independently processed and transmitted through different transceiver units. This segmentation enables efficient utilization of the existing Ethernet network infrastructure while achieving MIMO data distribution capabilities.
Data Source
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AI summary
The invention relates to a method for performing communications in a wireless communication network (1), comprising: providing first and second downlink data packets (P1, P2) containing RF transmission data (D1, D2) to a data network (4), in particular to an Ethernet network, distributing the first and second data packets (P1, P2) over the data network (4) to one or more sectors (S1, S2), each sector (S1, S2) comprising at least one transceiver (TRx1, TRx2) being adapted for performing RF transmissions, and transmitting the RF transmission data (D1, D2) contained in the first and second data packets (P1, P2) from a first and second one of the transceivers (TRx1, TRx2) to at least one terminal (UE1, UE2) using a MIMO transmission scheme. The invention also relates to a communication network (1).