Single Transceiver Network Synchronization via Transmission Gaps

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Solution Overview

Problem

Mobile radio terminals with a single transmitting/receiving device cannot simultaneously receive signals from multiple SIM cards, leading to lost synchronization and delayed reconnection when switching between networks, as the device must allocate to a dedicated link, resulting in synchronization gaps that can last from 50 milliseconds to several seconds.

Innovation Solution

A method where a transmitting/receiving device for mobile radio signals communicates via a dedicated link and receives synchronization signals of another network during transmission gaps, allowing synchronization information to be updated independently of the dedicated link, enabling immediate reconnection to the other network after the dedicated link ends.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single transmitting/receiving device is used for mobile radio signals, then device complexity is reduced, but the ability to simultaneously receive signals from multiple SIM cards is lost

Engineering Contradiction:

Improvetransmitting/receiving device structureVSAvoidsimultaneous operation with multiple SIM cards

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent segments the operation time of the single transmitting/receiving device by dividing it into dedicated communication link periods and transmission gap periods. During dedicated link periods, the device serves one SIM card, while during transmission gaps, it switches to receive synchronization signals from another network. This temporal segmentation allows one device to effectively serve multiple networks without requiring parallel hardware paths.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent implements periodic switching between different networks by utilizing regular transmission gaps in the dedicated communication link. The device periodically switches to receive synchronization signals from the other network during these gaps, maintaining synchronization without requiring continuous dedicated reception. This periodic action enables flexible switching between SIM cards while using a single transmitting/receiving device.

Inventive Principle:

Principle #19Periodic action

2Reliability

If the transmitting/receiving device is dedicated to a single communication link, then communication reliability is improved, but synchronization with other networks is lost

Engineering Contradiction:

Improvededicated communication linkVSAvoidsynchronization signals from other networks

Core Design Contradiction:

ReliabilityVSLoss of information

Solution Approach 1:

The patent applies preliminary action by having the transmitting/receiving device proactively receive and store synchronization signals from the other network during transmission gaps before switching is needed. This advance preparation ensures that when the device needs to switch between SIM cards, synchronization information is already available, eliminating delays and maintaining both dedicated link reliability and network synchronization.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent maintains continuity of useful action by ensuring that the transmitting/receiving device continuously receives synchronization signals from the other network during transmission gaps, even while maintaining a dedicated communication link. This continuous synchronization reception prevents loss of synchronization information and enables rapid switching between networks without interrupting the dedicated communication service.

Inventive Principle:

Principle #20Continuity of useful action

3Adaptability or versatility

If synchronization signals are received independently of the dedicated link, then network switching flexibility is improved, but device resource conflicts arise

Engineering Contradiction:

Improvenetwork switching flexibilityVSAvoiddevice resource management

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the synchronization signal reception function with the existing transmission gap structure of the dedicated communication link. Instead of creating a separate independent reception path, the device combines synchronization reception with the periodic transmission gaps already present in the dedicated link operation. This merging allows synchronization to occur during otherwise idle time periods, achieving network switching flexibility without adding device complexity or resource conflicts.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS8825110B2Method for receiving synchronization signals of a mobile radio network and transmitting/receiving device for mobile radio signals

Publication Date: 2014.09.02 INTEL CORP

AI summary

In various embodiments, a method for receiving synchronization signals of a mobile radio network is provided. The method may include communicating, by using a transmitting/receiving device for mobile radio signals, with a mobile radio network via a dedicated communication link; and receiving, by using the transmitting/receiving device, synchronization signals of another mobile radio network during a transmission gap in the dedicated communication link, the transmitting/receiving device not being set up for receiving signals of the other mobile radio network independently of the dedicated communication link.