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Method and device for uplink transmission by using unlicensed spectrum

A technology of a communication device and a communication method, applied in the directions of wireless communication, sustainable communication technology, advanced technology, etc., can solve the problems of non-uplink transmission and propose an effective solution, etc.

Active Publication Date: 2016-10-26
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

LTE-U or LAA currently does not propose an effective solution for uplink transmission

Method used

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  • Method and device for uplink transmission by using unlicensed spectrum
  • Method and device for uplink transmission by using unlicensed spectrum
  • Method and device for uplink transmission by using unlicensed spectrum

Examples

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Embodiment Construction

[0039] Herein, some embodiments of the present invention are described in detail with reference to the accompanying drawings, but not all embodiments are shown in the accompanying drawings. Indeed, these inventions can use many different variations and are not limited to the examples herein. Instead, the present invention provides these embodiments to meet the requirements of the application. The same reference numbers are used in the drawings to designate the same or similar elements.

[0040] figure 1 A communication network architecture diagram according to an embodiment of the present invention is shown. The communication network includes one or more base stations 102 and one or more clients 104 . The base station 102 may be an evolved Node B (Evolved Node B, eNB) or other small access point. The client 104 may be any communication device with a wireless sensor function, such as a personal computer, portable / wearable electronic product, and the like. The client 104 (i...

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Abstract

A method, adapted to a communication device, for uplink transmission by using unlicensed spectrum is provided. The method includes following steps. Acquiring transmission resource based on a listen-before-talk (LBT) procedure. Sending an LBT indicator to a base station after successfully acquiring the transmission resource. Receiving a uplink resource grant from the base station. Performing uplink data transmission with the base station on the unlicensed spectrum according to the uplink resource grant.

Description

technical field [0001] The present invention relates to a communication method and device, in particular to a communication method and device for uplink transmission using license-free frequency spectrum. Background technique [0002] With the development of communication technology, the mobile data usage of consumer electronic products has increased significantly. In order to meet the huge demand for bandwidth, the communication supervision agencies of various countries have successively released more spectrum and tried to improve the efficiency of spectrum use for mobile broadband services. For example, mechanisms such as Long Term Evolution in Unlicensed band (LTE-U) and Licensed Assisted Access (LAA) have been proposed to use unlicensed spectrum to amplify existing mobile communications. available spectrum. [0003] However, both LTE-U and LAA use unlicensed spectrum to make up for the shortage of downlink (downlink) licensed spectrum bandwidth. Currently, LTE-U or LA...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W76/04
CPCH04W76/28H04W72/21H04W16/14H04W74/0833H04W52/0225Y02D30/70H04W72/23
Inventor 周建铭陈俊嘉
Owner IND TECH RES INST
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