Host Transceiver Beamforming WirelessHD Non-Line-of-Sight
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Solution Overview
Problem
Current wireless communication systems, such as WirelessHD, face challenges in establishing non-line of sight communication due to the requirement of line of sight operation in the 60 GHz band, limiting their ability to efficiently transmit high-definition audio-video content wirelessly.
Innovation Solution
The implementation of a host and transceiver system with a physical interface that uses beamforming techniques to enable non-line of sight communication, allowing for the exchange of information between devices through a host processor, transceiver, and memory, with specific control signals and register banks to manage device discovery, connection control, and data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If line of sight communication is used in the 60 GHz band, then communication reliability is improved, but communication versatility deteriorates due to inability to achieve non-line of sight communication
Solution Approach 1:
The communication signal is divided into multiple beams that can be independently directed toward different spatial regions. This segmentation allows the system to maintain reliable communication through direct line-of-sight beams while simultaneously establishing reflected non-line-of-sight paths, thus resolving the contradiction between reliability and versatility
Solution Approach 2:
The system introduces reflective surfaces as intermediaries to enable non-line-of-sight communication. By utilizing objects in the environment as mediators, the system can establish communication paths that bounce off these surfaces, allowing versatile communication without compromising the reliability of direct line-of-sight connections
2Adaptability or versatility
If beamforming is implemented to achieve non-line of sight communication, then communication versatility is improved, but system complexity increases
Solution Approach 1:
The beamforming system is designed to perform multiple functions: establishing line-of-sight connections, creating non-line-of-sight reflected paths, and dynamically adapting to different communication scenarios. This multi-functionality reduces the need for separate systems for different communication modes, thereby managing complexity while maintaining versatility
Solution Approach 2:
The system dynamically adjusts beam directions, reflection points, and signal parameters based on real-time environmental conditions and communication requirements. This dynamic adaptation allows the system to optimize performance for each scenario without requiring complex fixed infrastructure for every possible communication mode
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
Enables efficient wireless transmission of high-definition audio-video content by overcoming the line of sight limitation, allowing for reliable device discovery, connection establishment, and data exchange between devices in a WirelessHD network, supporting high-speed data rates up to 4 Gbit/s.
Implementation Method 1
the WiHD standard overcomes this limitation through the use of beamforming at both the receiver and transmitter to achieve non line of sight communication
Data Source
AI summary
An apparatus, system and method for performing dispatch operations using a signal physical interface are disclosed. In one embodiment, the apparatus is for use in a wireless communication system for communicating with a wireless network and comprises a host processor, a transceiver, a physical interface coupling the host processor and the transceiver, and a memory accessible by the host processor and the transceiver to exchange information between the host processor and the transceiver. The transceiver is operable to store data in the memory for the host processor to send data to the host processor using the memory and asserts a control signal to the host processor to notify the host processor that the memory contains data for the host processor, and the host processor is operable to access the memory to obtain the data thereafter. The data is associated with a remote device in the wireless network and is stored as one or more packets at a first storage location in the memory with a first identifier identifying the remote device.