US 11,444,742 B2Granted

Information transmission method and device, base station, and user equipment

AssigneeBeijing Xiaomi Mobile Software Co., Ltd.

InventorJuejia Zhou

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Abstract

The present disclosure provides an information transmission method and device, a base station, and user equipment. Said method comprises: determining system control information of a scalable band width part (BWP), the system control information being used to inform target user equipment of configuration information of the scalable BWP in a licensed spectrum and an unlicensed spectrum respectively; sending the system control information of the scalable BWP to the target user equipment; and according to the system control information, scheduling, on the scalable BWP and, the target user equipment to transmit information. The information transmission method provided by the present disclosure can be used to improve the configuration flexibility and effective utilization rate of the unlicensed spectrum resources.

Claims13

Dependent claims

A method for transmitting information, being applied in a base station, the method comprising:

determining system control information for an extensible Band Width Part (BWP), the system control information being configured to inform a target User Equipment (UE) configurations in a licensed band and an unlicensed band of the extensible BWP;
sending the system control information for the extensible BWP to the target UE;
and
scheduling, according to the system control information, the target UE to perform information transmission on the extensible BWP,
wherein the determining the system control information for the extensible BWP comprises:
in response to determining that a preset trigger condition is met, configuring, for the target UE, a resource of the extensible BWP in the licensed band and a resource of the extensible BWP in the unlicensed band;
and
determining the system control information for the extensible BWP according to a time-frequency range of the resource of the extensible BWP in the licensed band and the resource of the extensible BWP in the unlicensed band,
wherein configuring, for the target UE, the resource of the extensible BWP in the unlicensed band comprises:
monitoring an effective transmission resource meeting a preset channel quality condition in the unlicensed band;
and
configuring, for the target UE, the resource of the extensible BWP in the unlicensed band according to the effective transmission resource,
wherein the monitoring the effective transmission resource meeting the preset channel quality condition in the unlicensed band comprises:
determining a target frequency range supported by the target UE in the unlicensed band;
and
monitoring the effective transmission resource meeting the preset channel quality condition in the target frequency range,
wherein the monitoring the effective transmission resource meeting the preset channel quality condition in the target frequency range comprises:
monitoring, according to a preset channel bandwidth, a channel quality value of a preset channel in the target frequency range;
and
in response to determining that the channel quality value is no less than a preset channel quality threshold, determining the preset channel as an effective channel, and
wherein the configuring, for the target UE, the resource of the extensible BWP in the unlicensed band according to the effective transmission resource comprises:
determining a time-domain resource range allocated to the target UE on the effective channel;
and
determining a time-frequency range of the resource of the extensible BWP in the unlicensed band according to the time-domain resource range and the preset channel bandwidth of the effective channel.

21 more elements

A method for transmitting information, being applied in User Equipment (UE), the method comprising:

acquiring system control information for an extensible Band Width Part (BWP), the extensible BWP comprising a resource in a licensed band and a resource in an unlicensed band;
in response to receiving activation indication indicating that the extensible BWP is activated, configuring, according to the system control information, transmission over the extensible BWP;
and
transmitting information to a base station using the extensible BWP,
wherein the system control information for the extensible BWP comprises a set location of information on scheduling of the resource in the licensed band and the resource in the unlicensed band,
wherein the transmitting information to the base station using the extensible BWP comprises:
acquiring, according to the set location, the information on scheduling of the resource in the licensed band and the resource in the unlicensed band in the extensible BWP;
and
in response to determining that the base station schedules the extensible BWP, transmitting information according to the information on scheduling,
wherein the information on scheduling of the resource in the unlicensed band is acquired from the extensible BWP by at least one of:
acquiring, from a resource for transmitting control information in the licensed band, the information on scheduling of the resource in the unlicensed band;
or
acquiring, from a resource for transmitting control information in the unlicensed band, the information on scheduling of the resource in the unlicensed band,
wherein acquiring the information on scheduling of the resource in the unlicensed band from the extensible BWP comprises:
in response to determining that the information on scheduling of the resource in the unlicensed band is detected from both the resource for transmitting control information in the licensed band and the resource for transmitting control information in the unlicensed band, comparing the information on scheduling detected from the licensed band and the information on scheduling detected from the unlicensed band;
in response to determining that the information on scheduling detected from the licensed band differs from the information on scheduling detected from the unlicensed band, determining, according to preset indication, the information on scheduling of the resource in the unlicensed band, and
wherein the preset indication comprises one of:
taking the information on scheduling acquired from the resource for transmitting control information in the licensed band as the information on scheduling of the resource in the unlicensed band;
taking the information on scheduling acquired from the resource for transmitting control information in the unlicensed band as the information on scheduling of the resource in the unlicensed band;
or
determining, according to a combination of the information on scheduling acquired from the licensed band and the information on scheduling acquired from the unlicensed band, the information on scheduling of the resource in the unlicensed band.

18 more elements

A User Equipment (UE), comprising a processor and memory,

wherein the memory is configured to store an instruction executable by the processor,
wherein the processor is configured to implement:
acquiring system control information for an extensible Band Width Part (BWP), the extensible BWP comprising a resource in a licensed band and a resource in an unlicensed band;
in response to receiving activation indication indicating that the extensible BWP is activated, configuring, according to the system control information, transmission over the extensible BWP;
and
transmitting information to a base station using the extensible BWP,
wherein the system control information for the extensible BWP comprises a set location of information on scheduling of the resource in the licensed band and the resource in the unlicensed band,
wherein the transmitting information to the base station using the extensible BWP comprises:
acquiring, according to the set location, the information on scheduling of the resource in the licensed band and the resource in the unlicensed band in the extensible BWP;
and
in response to determining that the base station schedules the extensible BWP, transmitting information according to the information on scheduling,
wherein the information on scheduling of the resource in the unlicensed band is acquired from the extensible BWP by at least one of:
acquiring, from a resource for transmitting control information in the licensed band, the information on scheduling of the resource in the unlicensed band;
or
acquiring, from a resource for transmitting control information in the unlicensed band, the information on scheduling of the resource in the unlicensed band,
wherein acquiring the information on scheduling of the resource in the unlicensed band from the extensible BWP comprises:
in response to determining that the information on scheduling of the resource in the unlicensed band is detected from both the resource for transmitting control information in the licensed band and the resource for transmitting control information in the unlicensed band, comparing the information on scheduling detected from the licensed band and the information on scheduling detected from the unlicensed band;
in response to determining that the information on scheduling detected from the licensed band differs from the information on scheduling detected from the unlicensed band, determining, according to preset indication, the information on scheduling of the resource in the unlicensed band, and
wherein the preset indication comprises one of:
taking the information on scheduling acquired from the resource for transmitting control information in the licensed band as the information on scheduling of the resource in the unlicensed band;
taking the information on scheduling acquired from the resource for transmitting control information in the unlicensed band as the information on scheduling of the resource in the unlicensed band;
or
determining, according to a combination of the information on scheduling acquired from the licensed band and the information on scheduling acquired from the unlicensed band, the information on scheduling of the resource in the unlicensed band.

20 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/969,554Filed 13 Feb 2018
Published: US 2021/0006382 A17 Jan 2021
Granted: 13 Sep 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification12 codes

H04L 5/0094
Signalling for the administration of the divided path, e.g. signalling of configuration information: indication of how sub-channels of the path…
H04L 5/001
The frequencies being orthogonal, e.g. OFDM or DMT: the frequencies being arranged in component carriers
H04L 5/0098
Indication of changes in allocation: signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
H04W 16/14
Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures: spectrum sharing…

Family

US 2021/0006382 A1Pre-grant publication · published 7 Jan 2021
US 11,444,742 B2This patent

From the US filing history. Foreign family members aren’t listed.

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