Unlock instant, AI-driven research and patent intelligence for your innovation.

Power control method, network equipment and terminal

A technology of network equipment and power control, which is applied in power management, electrical components, sustainable buildings, etc., and can solve problems such as the inability of terminals to achieve uplink transmission, high transmission power, and terminal interference

Active Publication Date: 2013-11-06
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] For the LTE-A system, since the network side still only configures the maximum transmit power of the terminal, the maximum transmit power of each carrier is the maximum transmit power of the terminal, which will cause the sum of the power on all carriers to exceed the maximum uplink transmit power of the terminal The power situation occurs, which will cause the terminal to fail to achieve uplink transmission or the uplink transmission power is too high, resulting in excessive interference to other terminals

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
  • Power control method, network equipment and terminal
  • Power control method, network equipment and terminal
  • Power control method, network equipment and terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] In order to control terminal power on the network side, see figure 1 , this embodiment provides a power control method, including:

[0057] 101: The network device acquires carrier information of multiple carriers of the terminal, where the carrier information includes priority β and / or channel quality information;

[0058] 102: When the network device determines that the transmit power of multiple carriers needs to be adjusted, it calculates the power backoff factor ξ of each of the multiple carriers according to the priority β and / or channel quality information of each of the multiple carriers , and the power backoff factor ξ satisfies one of the following conditions or any combination thereof: among multiple carriers, the power backoff factor ξ of the carrier with higher channel quality is smaller, and among the multiple carriers, the power backoff factor ξ of the carrier with higher priority β The smaller the back-off factor ξ, and the terminal adjusts the transmit...

Embodiment 2

[0068] In order to control terminal power on the network side, see figure 2 , this embodiment provides another power control method, including:

[0069] 201: The network device acquires carrier information of multiple carriers of the terminal, where the carrier information includes priority β and / or channel quality information;

[0070] 202: The network device sets the maximum transmit power of each of the multiple carriers according to the carrier information of multiple carriers, so that the maximum transmit power of the carrier with higher priority β is greater, or the maximum transmit power of the carrier with higher channel quality The greater the maximum transmit power;

[0071] 203: The network device notifies the terminal of the set maximum transmit power of each carrier.

[0072] In this embodiment, when the network device sets the maximum uplink transmit power of each PA, the maximum uplink transmit power values ​​of each PA may be set to be the same or different....

Embodiment 3

[0076] In order to implement power control on the terminal side, see image 3 , this embodiment provides a power control method, including:

[0077] 301: The terminal receives the power backoff factors of multiple carriers of the terminal sent by the network device, and the power backoff factors are calculated by the network device based on the carrier information of multiple carriers, and the carrier information includes priority β and / or channel quality information;

[0078] 302: If the power backoff factor represents a power backoff value, the terminal adjusts the transmit power of multiple carriers according to the power backoff factor; or, if the power backoff factor has been normalized, the terminal calculates the power according to the power backoff factor backoff value, and adjust the transmit power of multiple carriers according to the power backoff value.

[0079] In this embodiment, specifically, the terminal may receive uplink grant information or transmission po...

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

A method for power control, a network equipment and a terminal, belonging to the technical field of wireless communications, are disclosed. The method comprises that the network equipment obtains carrier information of multiple carriers of the terminal, and calculates a power back-off factor for each carrier according to carrier priority and / or channel quality information when determining that the transmission power of the terminal needs to be adjusted, wherein, the following conditions are satisfied: the power back-off factor of the carrier with higher channel quality is smaller, the power back-off factor of the carrier with higher priority is smaller, and the sum of the throughput capacity of the multiple carriers is the biggest after the transmission power of the multiple carriers is adjusted; and the power back-off factors are transmitted to the terminal, so the terminal can adjust the transmission power of the multiple carriers according to the power back-off factors. The network equipment comprises an acquisition module, a calculation module and a transmission module. Control of power back-off of the terminal according to the carrier information is implemented, and distinct solutions are provided for the power back-off of the terminal in the multi-carrier application scenario in the Long-Term Evolution-Advanced (LTE-A) system.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a power control method, network equipment and terminal. Background technique [0002] In a traditional wireless communication system, the uplink of the terminal is carried on a separate carrier, and there is only one PA (Power Amplifier, power amplifier) ​​used by the terminal. Therefore, the power control of the terminal only needs to be performed on one carrier. . A terminal has a specified maximum uplink transmit power, and a carrier and a PA also have their respective maximum allowable uplink transmit power. Usually, the base station will pre-configure an uplink transmission power for the terminal. If the uplink transmission power does not exceed the maximum uplink transmission power of the terminal, the terminal will use the uplink transmission power to transmit data. If the uplink transmission power exceeds the maximum uplink transmission power of th...

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
Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/34H04L27/26
CPCH04W52/146H04W52/346H04W52/365Y02B60/50H04W52/281
Inventor 肖登坤王文杰王晓勇
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD