Method and device for determining carrier central frequency point

A technology of center frequency point and carrier wave, which is applied in the field of determining the center frequency point of the carrier wave, can solve the problems of unfavorable NB-IoT terminal battery life, terminal inability to search for cells, power consumption, etc., to reduce time, reduce power consumption, and prolong Effects on battery life

Active Publication Date: 2018-10-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, since the carrier center of NB-IOT is inconsistent with the original carrier center of LTE during in-band operation and guard band operation, if the terminal continues to search for NB-IoT cells using the carrier center defined by LTE at this time, the terminal may not be able to search for the cell. Frequent cell search consumes a lot of power, which is not conducive to the battery life of NB-IoT terminals

Method used

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  • Method and device for determining carrier central frequency point
  • Method and device for determining carrier central frequency point
  • Method and device for determining carrier central frequency point

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] The network architecture and business scenarios described in the embodiments of the present invention are to more clearly illustrate the technical solutions of the embodiments of the present invention, and do not constitute limitations on the technical solutions provided by the embodiments of the present invention. The evolution of the...

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Abstract

The invention relates to the field of mobile communication and particularly relates to the technology of determining a carrier central frequency point in a wireless communication system. According toa method for determining the carrier central frequency point, on the base of a frequency band start frequency point, an absolute radio frequency channel number, frequency band offset and a relative radio frequency channel number, a central frequency point of a carrier for a base station to carry out communication with UE (User Equipment) is determined. Through application of the schemer provided by the invention, the time for a terminal to search a cell can be reduced, the power consumption of the terminal is reduced, and the service life of a battery is prolonged.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and a device for determining a center frequency point of a carrier. Background technique [0002] The Internet of Things (IOT) is the "Internet of Things Connected", which extends the client side of the Internet to any item and item for information exchange and communication. Such a communication manner is also called machine type communications (Machine type communications, MTC), and a communication node therein is called an MTC terminal. Typical IoT applications include smart meter reading, smart home, etc. Since the Internet of Things needs to be applied in various scenarios, such as outdoor, indoor, and underground environments, many special requirements are put forward for the design of the Internet of Things. [0003] First, the Internet of Things needs to have strong coverage performance. Many MTC devices are located in environments with poor coverage, su...

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Application Information

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IPC IPC(8): H04W48/16H04W4/70H04W76/28H04W48/10H04J11/00
CPCH04W4/70H04W76/28H04J11/0069H04W48/10H04W48/16H04L27/2657Y02D30/70H04J2211/005H04W72/0453
Inventor 金哲吴茜
Owner HUAWEI TECH CO LTD
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