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A method, device, and device for sending and receiving a request signal

A technology of request signal and sending method, applied in the fields of receiving method and equipment, sending request signal and device, to achieve the effect of low power consumption

Active Publication Date: 2021-05-11
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention provides a method, device and device for sending and receiving request signals to solve the problem in the prior art that there is no sending and receiving of channel occupancy request signals

Method used

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  • A method, device, and device for sending and receiving a request signal
  • A method, device, and device for sending and receiving a request signal
  • A method, device, and device for sending and receiving a request signal

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0153] In this example, on the base station side:

[0154] The beams that send the channel occupation request signal are all or some of the beams whose channels are detected as idle after the base station performs the LBT operation in a chronological order in the direction corresponding to at least one beam.

[0155] The beams performing the LBT operation are all possible beams in the space, and / or, a predetermined configuration of possible beams in the network.

[0156] The channel occupancy request signal contains one or a combination of the following information:

[0157]Information about the scheduled UEID, the Beam ID of the beam that sends the channel occupancy request signal, the location information of the beam that sends the channel occupancy request signal in space, and the channel occupancy time information of the beam that sends the channel occupancy request signal , the resource configuration required when the terminal feeds back the signal allowing the channel t...

example 2

[0177] In this example, in implementation, when the base station receives the signal allowing the channel to be occupied on multiple beams, the base station schedules the channel occupation request signal to perform data transmission with the user whose handshake is successful with the signal allowing the channel to be occupied; and / or,

[0178] When the base station receives the signal allowing the channel to be occupied on multiple beams, the base station performs the operation on the beam whose ratio between the number of users sending the signal allowing the channel to be occupied and the number of users receiving the channel occupying request signal is greater than the preset value data transmission.

[0179] In the implementation, on the beam whose ratio between the number of users sending the signal allowing the channel to be occupied and the number of users receiving the channel occupation request signal is greater than the preset value, select the beam that is dominant...

example 3

[0183] For example, in Example 1, it will have a better effect under the condition that the consistency of the sending and receiving beams of the device is guaranteed. However, if the receiving beam and the sending beam of the LBT are not calibrated, they cannot be kept the same In the case of beams, it is not very meaningful to execute LBT in the direction corresponding to the sending beam at this time. The behavior of the base station can be to not execute LBT in the direction corresponding to each beam, but directly in the direction corresponding to the allowed beam At this time, other behaviors of the terminal and the base station may be consistent with Example 1.

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Abstract

The invention discloses a method, device and device for sending and receiving a request signal, comprising: a base station determines a channel occupation request signal to be sent, and the channel occupation request signal is the base station performing pre-dialogue monitoring in the direction corresponding to at least one beam After the operation, request a channel occupation request signal to the terminal; the base station schedules the transmission of the channel occupation request signal on the downlink control channel. The terminal detects the downlink control channel sent by the scheduling channel occupation request signal; the terminal receives the channel occupation request signal according to the detection result. The invention overcomes the defect that the prior art is not designed for the channel occupation request signal, and realizes the sending of the eNB channel occupation request signal. Further, the solution also provides a solution that can achieve the lowest power consumption.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method, equipment and device for sending and receiving request signals. Background technique [0002] There is no specific application system planned for the unlicensed spectrum, and it can be shared by various wireless communication systems. At present, the existing communication systems in the unlicensed spectrum mainly include IEEE-standardized Bluetooth, WiFi and 3GPP-standardized LTE-U (LTE in unlicensed spectrum, LTE in the unlicensed frequency band; LTE: Long Term Evolution, long-term evolution) system, multiple systems use shared unlicensed spectrum resources by preempting resources. [0003] In order to ensure the friendly coexistence of LTE-U with WIFI, 3GPP conducted in-depth discussions on LBT (listen before talk) technology and provided four LBT solutions. [0004] Cat.1: No LBT (no LBT); [0005] Cat.2: LBT without random back-off (LBT wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04W72/12
CPCH04W72/1273H04L5/0048H04W72/23H04L5/0051H04W74/0808H04L27/0006H04L5/0053H04L5/0023Y02D30/70
Inventor 王加庆郑方政
Owner DATANG MOBILE COMM EQUIP CO LTD
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