Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for achieving power control and user terminal

A user terminal and power control technology, applied in the field of communication, can solve problems such as mutual interference, avoid delay problems and improve overall throughput

Active Publication Date: 2016-01-20
CHINA TELECOM CORP LTD
View PDF4 Cites 19 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Power control can effectively solve the problem of mutual interference caused by concurrent communication modes

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for achieving power control and user terminal
  • Method for achieving power control and user terminal
  • Method for achieving power control and user terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0144] This embodiment is aimed at the LTE data service and the CDMA1x voice service. At this time, the priority of the CDMA mode is always higher than that of the LTE mode, so the priority does not need to be adjusted.

[0145] The BC0 frequency band occupied by CDMA850 corresponds to LTE Band 5. As the network evolves to LTE, some frequency bands will be reconfigured for the deployment of LTE systems. Therefore, terminal equipment is required to support both CDMA and LTE in Band 5. Affected by the characteristics of the Band5 frequency band, when the two systems are running concurrent services (such as SVLTE terminals), the two-way signaling in the terminal will generate third-order intermodulation interference in the terminal receiving frequency band, thereby affecting the downlink receiving performance of the terminal equipment. However, for CDMA1x that serves voice users, the intermodulation interference will seriously affect the communication quality of the user's voice, ...

Embodiment 2

[0169] This embodiment aims at concurrent use of LTE and WLAN modes when a MiFi / CPE or an LTE mobile phone is used as a WiFi hotspot. At this time, the priorities of the LTE mode and the WLAN mode need to be dynamically adjusted.

[0170] WLAN currently mainly uses the 2.4GHz and 5.8GHz frequency bands, and the Band40 (2300-2400MHz) defined by 3GPP is closely adjacent to the WLAN2.4G frequency band (2400-2483.5MHz). When the TD-LTE system is deployed near 2400MHz, since TD-LTE and WLAN are both TDD systems, there will be serious interference problems between the two systems. For independent equipment, engineering isolation measures can be used between the two systems to reduce the impact of interference on system performance. However, for CPE, MiFi equipment or users using LTE mobile phones as WiFi hotspots, it is necessary to support the concurrent work of the two systems, which is limited by the size of the equipment, and it is impossible to avoid interference through engine...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for achieving power control and a user terminal. The method comprises the following steps: after monitoring that a first communication mode is in a communication state, that a second communication mode requires communication, and judging that an interference scene exists between the first communication mode and the second communication mode, selecting a communication mode with a low priority level from the first communication mode and the second communication mode; setting the communication mode with the low priority level as a power backoff state; if the communication quality of the communication mode with a high priority level is lower than a preset threshold, reducing an upper limit of transmitting power of the communication mode with the low priority level; and adjusting the transmitting power of the communication mode with the low priority level, to prevent the transmitting power of the communication mode with the low priority level from exceeding the corresponding upper limit of transmitting power. Therefore, the time delay problem caused by service interruption / restart can be effectively avoided, and the concurrence of the communication modes can be guaranteed to the utmost, and the overall throughput of the system can be effectively improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method for realizing power control and a user terminal. Background technique [0002] At present, with the rapid development of wireless communication technology, various wireless technology systems and standards have emerged around the world, including the second-generation mobile communication standard GSM (Global System for Mobile communication, Global System for Mobile Communication) and IS-95, which mainly provide voice services. And its corresponding enhanced version GPRS (GeneralPacketRadioService, General Packet Radio Service) / Edge (EnhancedDataRateforGSMEvolution, enhanced data rate GSM evolution) and CDMA (CodeDivisionMultipleAccess, code division multiple access) 1x, the third generation mobile communication standard CDMA2000, WCDMA (WidebandCodeDivisionMultipleAccess , Wideband Code Division Multiple Access) and TD-SCDMA (TimeDivision-SynchronousCodeDivisionMultipl...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04W52/28
Inventor 赵冬孙震强
Owner CHINA TELECOM CORP LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com