Base Station Receiver Diversity Control for Baseband Load Management

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Solution Overview

Problem

Current mobile network base stations with x-way receiver diversity require excessive baseband hardware due to increased processing overhead, which is not efficiently managed by existing technologies.

Innovation Solution

Implementing a method to dynamically switch between x-way and 2-way receiver diversity operations based on baseband consumption thresholds, automatically deactivating or activating receiver arrangements to optimize hardware usage without adding more baseband resources.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If x-way receiver diversity is activated to improve coverage and throughput, then signal gain is improved, but baseband consumption increases excessively

Engineering Contradiction:
ImprovecoverageVSAvoidbaseband consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent implements dynamic switching between 2-way and 4-way receiver diversity based on real-time baseband consumption monitoring. When baseband consumption exceeds a threshold, the system automatically deactivates the first receiver arrangement and switches to 2-way diversity, thereby reducing processing overhead while maintaining adaptive coverage performance

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the operational parameters of the receiver diversity by switching between different diversity modes (2-way vs 4-way) based on baseband consumption levels. This parameter change allows the system to adapt to varying traffic loads and baseband resource availability, optimizing the trade-off between coverage and processing requirements

Inventive Principle:
Principle #35Parameter changes

2Productivity

If x-way receiver diversity is activated to improve throughput, then uplink throughput is improved, but baseband hardware requirements increase

Engineering Contradiction:
ImprovethroughputVSAvoidbaseband hardware
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent employs dynamic configuration of receiver diversity operations where the base station adapts between 2-way and 4-way diversity modes based on monitored baseband consumption. This dynamic approach allows the system to achieve high throughput when baseband resources are available while avoiding excessive hardware requirements when resources are constrained

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The base station is designed with multi-functionality to operate in both 2-way and 4-way receiver diversity modes using the same physical hardware infrastructure. This universality allows the system to flexibly adjust its operational mode based on traffic conditions without requiring separate dedicated hardware for each mode

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If 4-way receiver arrangement is activated to improve coverage, then coverage gain is improved, but processing overhead increases

Engineering Contradiction:
ImprovecoverageVSAvoidprocessing overhead
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system dynamically adjusts the receiver diversity configuration by monitoring baseband consumption and switching between 2-way and 4-way modes. When processing overhead becomes excessive, the system automatically deactivates the first receiver arrangement and transitions to 2-way diversity, thereby reducing processing time while maintaining adaptive coverage

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS8254861B2Controlling x-way receiver diversity
Publication Date: 2012.08.28 VODAFONE GRP PLC
  • US8254861B2 patent drawing
  • US8254861B2 patent drawing
  • US8254861B2 patent drawing

AI summary

A method for controlling receiver diversity operation in a base station of a mobile telecommunications network. The base station includes a first receiver arrangement and a second receiver arrangement. The method includes activating the first receiver arrangement, thereby receiving signals at a first gain level. The method also includes activating the second receiver arrangement, thereby receiving signals at a second gain level, the second gain level being equal to or lower than the first gain level. The method further includes measuring baseband consumption at the base station at predetermined intervals. The method finally includes, when the baseband consumption exceeds a predetermined deactivation threshold THDE, deactivating the first receiver arrangement, thereby leaving only the second receiver arrangement active.