Adaptive Wireless Transceiver Antenna Configuration

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Solution Overview

Problem

Existing wireless communication systems face a trade-off between data rates and robustness, with data robustness often decreasing as data rates increase, necessitating a transceiver that can modify transmit and receive configurations to improve communication efficiency.

Innovation Solution

The development of a wireless transceiver with adaptive antenna configurations and processing modules that dynamically adjust transmission schemes and antenna settings based on channel conditions, using a combination of digital and analog circuitry to optimize signal reception and transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If data rates are increased in wireless communication, then communication speed improves, but data robustness deteriorates

Engineering Contradiction:

Improvedata rateVSAvoiddata robustness

Core Design Contradiction:

SpeedVSReliability

Solution Approach 1:

The patent implements dynamic adaptation of receive configuration parameters including antenna selection, analog gain settings, and ADC resolution based on incoming signal conditions. This allows the system to optimize between data rate and robustness in real-time by adjusting receive parameters according to channel quality and signal strength

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes physical parameters of the receive path including analog gain, ADC resolution, and antenna selection dynamically. By modifying these parameters based on signal conditions, the system can maintain robustness at higher data rates or improve robustness when signal quality degrades

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If analog interfaces are used for communication between baseband and radio processors, then signal processing flexibility is maintained, but signal integrity deteriorates due to noise and interference

Engineering Contradiction:

Improvesignal processing flexibilityVSAvoidnoise and interference

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces analog signal interfaces with digital interfaces between the baseband processor and radio processor. By converting signals to digital domain earlier in the processing chain, the system eliminates analog noise and interference while maintaining processing flexibility through digital signal processing techniques

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system introduces an intermediary digital signal processing stage that converts analog signals to digital before further processing. This intermediary conversion process isolates the sensitive analog front-end from noisy digital processing stages while maintaining full digital control and flexibility

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS8145161B2Receive configuration adaptation for wireless transceivers

Publication Date: 2012.03.27 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LTD

AI summary

An integrated circuit radio transceiver and method therefor is operable to determine an antenna configuration for receive operations. More specifically, the system is operable to determine a receive antenna configuration in a network that includes a number of spatial streams, antenna configuration information, code rate, quadrature modulation type, and transmission protocol modulation scheme, etc. Generally, a selected antenna configuration for transmissions to a remote transceiver is used as an initial antenna configuration for receive operations.