Transmission System Sleep-Wake Transition Control

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Solution Overview

Problem

Existing transmission systems face challenges in reducing power consumption while minimizing transmission delay, particularly when transitioning from a sleep state to an active state.

Innovation Solution

The system controls the transmission system to transmit during a fraction of the transition period from a sleep state to an active state, using relaxed component performance requirements or reduced capability, allowing earlier transmission with reduced power consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If the transmission system enters a deep sleep state to reduce power consumption, then power consumption is reduced, but transmission delay increases due to long activation time

Engineering Contradiction:

Improvepower consumptionVSAvoidtransmission delay

Core Design Contradiction:

Use of energy by moving objectVSLoss of time

Solution Approach 1:

The system performs preliminary actions by transitioning components through intermediate states during the sleep-wake cycle. Instead of waiting for full activation, the system prepares transmission components in partial active states before actual transmission occurs, reducing the effective delay while maintaining deep sleep benefits.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent introduces dynamic sleep states with multiple activation levels. The system can transition through different degrees of activation (e.g., partial wake-up vs. full wake-up) depending on transmission requirements, allowing flexible balancing of power savings and transmission speed.

Inventive Principle:

Principle #15Dynamics

2Reliability

If the transmission system waits until components are fully activated before transmitting, then component performance requirements are met, but transmission delay increases

Engineering Contradiction:

Improvecomponent performanceVSAvoidtransmission delay

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system applies partial action by allowing transmission during intermediate activation states where components are partially active. Instead of waiting for full activation, the system enables transmission with relaxed performance requirements, accepting that not all components are fully operational but sufficient functionality is available.

Inventive Principle:

Principle #16Partial or excessive action

Solution Approach 2:

The patent changes performance parameters dynamically based on activation state. The system adjusts transmission parameters (such as modulation order, coding rate, or bandwidth) according to the current component activation level, allowing transmission to proceed with relaxed requirements during partial activation and full requirements when fully activated.

Inventive Principle:

Principle #35Parameter changes

3Loss of time

If the transmission system uses relaxed component performance requirements during transition, then transmission can occur earlier with reduced delay, but transmission capability is reduced

Engineering Contradiction:

Improvetransmission delayVSAvoidtransmission rate

Core Design Contradiction:

Loss of timeVSProductivity

Solution Approach 1:

The system dynamically adjusts transmission parameters based on the activation state of components. During transition periods, the system uses adapted transmission parameters that match the current component capability level, enabling flexible transmission rates that optimize both delay and performance requirements.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes by modifying transmission characteristics (modulation, coding, bandwidth) according to the current activation state. The system selects appropriate parameters from predefined sets corresponding to different activation levels, allowing efficient transmission matching the actual component readiness.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS12335864B2Transmission system control

Publication Date: 2025.06.17 TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

AI summary

A control system is configured to control a transmission system (12). The control system may be configured to, responsive to the occurrence of a condition for the transmission system (12) to exit a sleep state (12S), trigger the transmission system (12) to transition from the sleep state (12S) to an active state (12A). The control system may be further configured to control the transmission system (12) to transmit during at least a fraction of a transition period (12P) over which the transmission system (12) transitions from the sleep state (12S) to the active state (12A). Such control may for instance control the transmission system (12) to transmit, during the at least a fraction of the transition period (12P), in compliance with relaxed component performance requirements that are relaxed with respect to the component performance requirements with which the transmission system (12) is configured to transmit during the active state (12A).