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Network equipment, terminal equipment, communication system composed of network equipment and terminal equipment, and communication method

A technology of network equipment and terminal equipment, which is applied in the field of communication systems, can solve problems such as low data transmission efficiency, achieve time division multiplexing, avoid failure of downlink control signals, and improve system spectrum efficiency

Pending Publication Date: 2020-02-11
CHINA ACADEMY OF INFORMATION & COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present application provides a network device, which solves the problem of low efficiency of uplink data transmission in the unlicensed frequency band in the prior art

Method used

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  • Network equipment, terminal equipment, communication system composed of network equipment and terminal equipment, and communication method
  • Network equipment, terminal equipment, communication system composed of network equipment and terminal equipment, and communication method
  • Network equipment, terminal equipment, communication system composed of network equipment and terminal equipment, and communication method

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Embodiment Construction

[0047] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0048] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0049] figure 1 A structural diagram of a network device provided in the embodiment of this application, such as figure 1 As shown, the network device provided in this embodiment...

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Abstract

The invention discloses network equipment, terminal equipment, a communication system composed of the network equipment and the terminal equipment, and a communication method, which can solve the problem that in the prior art, the uplink data sending efficiency in an unauthorized frequency band is low. The communication system comprises network equipment and terminal equipment. The network equipment is connected with at least one terminal equipment. The terminal equipment comprises a terminal data unit and a terminal control unit. The network equipment comprises a network data unit and a network control unit. The network control unit sends downlink control information to the terminal control unit. The downlink control information comprises a start position, an end position indication, duration and a frequency domain position. The end position indication is used for indicating the last symbol which can be used in the sending time slot. The terminal data unit moves backwards in sequencebetween the positions indicated by the starting position and the ending position until the time domain position for starting data transmission is determined, and sends data to the network data unit inthe duration time through an uplink data sharing channel according to the time domain position and the frequency domain position.

Description

technical field [0001] The present application relates to the communication field, and in particular to a network device, a terminal device and a communication system and method composed of the same. Background technique [0002] With the completion of the first version of the 5G standard, 5G will gradually expand to different fields. One of the important directions is the use of unlicensed frequency bands. Compared with licensed frequency bands, unlicensed frequency bands need to consider the coexistence of different systems, such as Wifi systems, LTE-based LAA systems, etc. In order to allow multiple systems to coexist harmoniously, regulators in various countries adopt mandatory listen-before-transmit technology (LBT) for the use of unlicensed frequency bands, that is, data can only be sent when the current channel is detected to be unoccupied. The problem with this mechanism is that some data cannot be guaranteed to be sent at a certain location. This problem becomes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12
CPCH04W72/1263H04W72/20
Inventor 刘晓峰
Owner CHINA ACADEMY OF INFORMATION & COMM
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