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Power control method and communication equipment

A technology of power control and communication equipment, applied in the field of communication, can solve problems such as unreasonable power distribution

Pending Publication Date: 2018-08-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a power control method and communication equipment, which can solve the problem of unreasonable power allocation in CA technology and DC technology when multiple subcarrier spacings are used in NewRAT, NR

Method used

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Embodiment Construction

[0034] The technical method of the present invention can be applied to CA or DC scenarios in New Radio Access Technology (New RAT (Radio Access Technology, Radio Access Technology), NR), such as figure 2 Shown is a schematic diagram of a DC application scenario. Resource scheduling is jointly controlled by the master base station (Master eNodeB, MeNB) and the secondary base station (Secondary eNodeB, SeNB), and the terminal (User Equipment, UE) can be connected to the MeNB and the SeNB at the same time. Realize multi-carrier scheduling. image 3 Shown is a schematic diagram of the DC's network architecture. Such as Figure 4 Four main application scenarios of CA are shown, but not limited to these four application scenarios, including: a) in the most typical scenario, multiple CCs have the same beam direction or mode, and the coverage is basically the same; b) in In the case of discrete spectrum deployment, multiple CCs have different transmission powers and different cover...

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Abstract

The invention provides a power control method and communication equipment, and relates to the communication field. A problem of improper power distribution of CA (Carrier Aggregation) and DC (Dual Connectivity) technologies when NR (NEW RAT) adopting various subcarrier intervals is solved. The power control method is advantageous in that a terminal configured with a plurality of cells is provided,according to the subcarrier intervals, a plurality of cells are divided into cell groups, and power control modes among the cells are configured to be a first power control mode or a second power control mode by a base station, and a plurality of cells are one of the CA or the DC. The power control method and the communication equipment are used for power control during existence of carriers having various subcarrier intervals.

Description

technical field [0001] The present invention relates to the communication field, in particular to a power control method and a communication device. Background technique [0002] In order to meet the requirements of single-user peak rate and system capacity improvement, one way is to increase the system transmission bandwidth. Therefore, the Long Term Evolution-Advanced (LTE-Advanced) system introduces a technology to increase the transmission bandwidth, that is, the carrier Aggregation (Carrier Aggregation, CA), CA technology can aggregate 2 to 5 LTE carriers (Component Carrier, CC) together to achieve a maximum transmission bandwidth of 100MHz, effectively improving the uplink and downlink transmission rate. Another way is to increase the throughput of user data through a dual connectivity (Dual Connectivity, DC) technology. The essence of DC technology is the carrier aggregation between carrier aggregation sites under the premise of non-ideal backhaul (Backhaul). A typi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W76/15H04L5/00
CPCH04L5/001H04W72/0453H04W72/0473H04W72/21H04W72/04H04W52/281H04W52/346H04L5/0032H04W52/40
Inventor 王亚飞唐浩龚政委唐臻飞布莱恩·克拉松
Owner HUAWEI TECH CO LTD
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