Bandwidth part configuration method and device and equipment

A technology of bandwidth part and configuration method, applied in advanced technology, power management, electrical components, etc., can solve problems such as terminal equipment failure, high power consumption, communication of target network equipment, etc., to reduce power consumption, reduce overhead, and save power Effect

Active Publication Date: 2019-04-02
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the default bandwidth part is relatively large, the terminal device will cause a large power consumption when using the default bandwidth part
If the default bandwidth p

Method used

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  • Bandwidth part configuration method and device and equipment
  • Bandwidth part configuration method and device and equipment
  • Bandwidth part configuration method and device and equipment

Examples

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Example Embodiment

[0155] First, the technical terms and application scenarios involved in this application are introduced.

[0156] Such as figure 1 As shown, the bandwidth part includes N physical resource blocks (PRB), each physical resource block includes K sub-carriers, and N is an integer greater than or equal to 1 (for example, N=2), K is an integer greater than or equal to 1 (for example, K=12). Among them, the N physical resource blocks may be continuous or discontinuous. figure 1 The carrier bandwidth in may refer to the frequency domain bandwidth provided by a carrier in the 4G or 5G mobile communication system, including L PRBs, where L is an integer greater than or equal to 1, and L is greater than or equal to N.

[0157] The network device can allocate at least one bandwidth portion to a terminal device served by the network device. Considering frequency-selective fading, bandwidth parts at different positions on a carrier bandwidth may have different fading characteristics. For a te...

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Abstract

The invention discloses a bandwidth part configuration method and device and equipment. The method comprises the steps that terminal equipment receives a first message, wherein the first message includes configuration information of N bandwidth parts configured by second network equipment for the terminal equipment, the first message is a switching command sent by first network equipment, or the first message is a random access response message sent by the second network equipment, or the first message is a conflict resolution message sent by the second network equipment; the terminal equipment sends a second message to the second network equipment, wherein the second message is used for notifying the second network equipment that the terminal equipment completes the switching from the first network equipment to the second network equipment. The terminal equipment can communicate with the second network equipment by using the new bandwidth part as early as possible by adopting the method provided by the invention, thereby being conducive to saving power for the terminal equipment.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a bandwidth part configuration method, device and equipment. Background technique [0002] In order to provide a higher data rate, the New Radio (NR) of the fifth generation (Fifth Generation, 5G) mobile communication system will use a relatively large frequency bandwidth (frequency bandwidth), for example, 400 MHz ( MHz). If the radio frequency front end and the baseband processing unit of the transmitter (transceiver) of the terminal device (for example, a smart phone) have been working on a large frequency domain bandwidth, it will lead to the failure of the terminal device. The power consumption is relatively large, which reduces the battery life of the terminal device. [0003] In order to reduce the power consumption of the terminal device, when the terminal device is idle or the communication data rate of the terminal device is relatively low...

Claims

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Application Information

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IPC IPC(8): H04W52/02H04W72/04H04W72/08H04W74/00
CPCH04W52/0216H04W72/0453H04W74/008H04W72/542H04W36/08H04W52/02H04W72/04H04W74/00Y02D30/70H04W72/54
Inventor 程勇方平爱民·贾斯汀·桑常俊仁
Owner HUAWEI TECH CO LTD
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