CN113412638B

CN113412638B - Data transmission method, device, communication equipment and storage medium

Info

Publication number: CN113412638B
Application number: CN202080000136.6A
Authority: CN
Inventors: 李媛媛
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2023-10-03
Anticipated expiration: 2040-01-17
Also published as: CN113412638A; WO2021142795A1

Abstract

The embodiment of the disclosure provides a data transmission method applied to communication equipment, wherein the method comprises the following steps: determining N frame-based device FBE parameters; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same; and performing CCA according to the FBE parameters. The embodiment of the disclosure also provides a data transmission device, a communication device and a storage medium. According to the embodiment of the disclosure, a plurality of FBE parameters can be configured for the communication equipment, when the communication equipment fails to perform CCA based on the current detection time of one FBE parameter, the detection time of the other FBE parameter can be used for performing CCA, and the CCA does not need to be performed until the next detection time corresponding to the one FBE parameter arrives; the waiting time of the next CCA can be greatly shortened, and the waiting time delay of data transmission is greatly reduced.

Description

Data transmission method, device, communication equipment and storage medium

Technical Field

The disclosure relates to the technical field of communication, and in particular relates to a data transmission method, a data transmission device, communication equipment and a storage medium.

Background

A transmitting end, such as a Base Station (SB) or a User Equipment (UE), needs to monitor a channel before transmitting data based on an unlicensed band; if the monitored interference in the channel is lower than a certain threshold value, the channel is successfully occupied to transmit data. That is, the transmitting end needs to use a listening mechanism when transmitting data based on an unlicensed band, for example, a listen before talk (Listen before talk, LBT) mechanism. Among these, in LBT there is a way for frame-based devices (frame based equipment, FBE). In the FBE mode, clear channel assessment (Clear channel assessment, CCA) is performed by listening to the duration of one slot (slot). If the transmitting end monitors that the interference of the channel is lower than a certain threshold value in the time slot, the channel is considered to be idle, and the transmitting end can occupy the channel after the channel detection is finished. At present, the transmitting end occupies the channel for transmission in the manner of FBE, and has larger time delay.

Disclosure of Invention

The embodiment of the disclosure discloses a data transmission method, a data transmission device, communication equipment and a storage medium.

According to a first aspect of embodiments of the present disclosure, there is provided a method of data transmission, applied to a communication device, wherein the method includes:

Determining N frame-based device FBE parameters; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same;

and performing CCA according to the FBE parameters.

In the above solution, the CCA according to the FBE parameter includes:

responsive to a CCA failure according to the nth FBE parameter, CCA according to the kth FBE parameter; wherein N is a positive integer less than or equal to N, and k is a positive integer less than or equal to N; the n is different from the k.

In the above solution, the performing CCA according to the FBE parameter includes:

in response to a CCA success in accordance with the nth FBE parameter, transmitting based on the nth FBE parameter.

In the above scheme, the nth FBE parameter is the same as the CCA period corresponding to the kth FBE parameter.

In the above scheme, the nth FBE parameter is different from the CCA period corresponding to the kth FBE parameter.

In the above scheme, the method further comprises:

and in response to failure of CCAs corresponding to the N FBE parameters, reusing the N FBE parameters for CCA.

In the above scheme, the communication device is a user equipment UE;

The determining N frame-based device FBE parameters comprises:

receiving the N FBE parameters through a broadcast channel;

or alternatively, the process may be performed,

the N FBE parameters are received through a Radio Resource Control (RRC) message.

In the above scheme, the communication device is a base station;

the determining N frame-based device FBE parameters comprises:

the N FBE parameters are generated.

In the above solution, the generating the N frame-based device FBE parameters includes:

and generating CCA periods corresponding to the N FBE parameters according to the transmission period of the data to be transmitted.

In the above solution, among the N FBE parameters, offset values of performing CCA corresponding to different FBE parameters are not identical.

According to a second aspect of the embodiments of the present disclosure, there is also provided an apparatus for data transmission, applied to a communication device, where the apparatus includes:

a determining module configured to determine N frame-based device FBE parameters; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same;

and the detection module performs CCA according to the FBE parameters.

In the above solution, the detection module is configured to perform CCA according to the kth FBE parameter in response to CCA failure according to the nth FBE parameter; wherein N is a positive integer less than or equal to N, and k is a positive integer less than or equal to N; the n is different from the k.

In the above scheme, the device further includes:

and a transmission module configured to transmit based on the nth FBE parameter in response to a CCA success in accordance with the nth FBE parameter.

In the above solution, the detection module is configured to respond to a failure of each CCA according to the N FBE parameters, and restart the CCA by using the N FBE parameters.

In the above scheme, the communication device is a user equipment UE;

the determining module is configured to receive the N FBE parameters through a broadcast channel; or configured to receive the N FBE parameters through a radio resource control RRC message.

In the above scheme, the communication device is a base station;

the determination module is configured to generate the N FBE parameters.

In the above solution, the determining module is configured to generate CCA periods corresponding to the N FBE parameters according to the transmission period of the data to be transmitted.

According to a third aspect of embodiments of the present disclosure, there is also provided a communication device, wherein the communication device includes:

a processor;

a memory for storing the processor-executable instructions;

wherein the processor is configured to: the method for transmitting data according to any embodiment of the present disclosure is implemented when the executable instructions are executed.

According to a fourth aspect of embodiments of the present disclosure, there is also provided a computer storage medium, wherein the computer storage medium stores a computer executable program, which when executed by a processor, implements the method for data transmission according to any embodiment of the present disclosure.

In an embodiment of the disclosure, determining, by a communication device, N frame-based device FBE parameters; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same; and performing CCA according to the FBE parameters. As such, the communication device of the embodiments of the present disclosure configures a plurality of FBE parameters; when the communication device fails to perform CCA based on the current detection time of one FBE parameter, the communication device may perform CCA using another FBE parameter, without waiting for the next detection time corresponding to the one FBE parameter to come; furthermore, the waiting time of the next CCA can be greatly shortened, and the waiting time of data or signaling and other transmission can be greatly shortened.

Drawings

Fig. 1 is a schematic diagram of a wireless communication system.

Fig. 2 is a flow chart illustrating a method of data transmission according to an exemplary embodiment.

Fig. 3 is a flow chart illustrating a method of data transmission according to an exemplary embodiment.

Fig. 4 is a flow chart illustrating a method of data transmission according to an exemplary embodiment.

Fig. 5 is a flow chart illustrating a method of data transmission according to an exemplary embodiment.

Fig. 6 is a flow chart illustrating an apparatus for data transmission according to an exemplary embodiment.

Fig. 7 is a block diagram of a user device, according to an example embodiment.

Fig. 8 is a block diagram of a base station, according to an example embodiment.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with aspects of embodiments of the present disclosure as detailed in the accompanying claims.

The terminology used in the embodiments of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the disclosure. As used in this disclosure of embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in embodiments of the present disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of embodiments of the present disclosure.

Referring to fig. 1, a schematic structural diagram of a wireless communication system according to an embodiment of the disclosure is shown. As shown in fig. 1, the wireless communication system is a communication system based on a cellular mobile communication technology, and may include: a number of user equipments 110 and a number of base stations 120.

User device 110 may be, among other things, a device that provides voice and/or data connectivity to a user. The user equipment 110 may communicate with one or more core networks via a radio access network (Radio Access Network, RAN), and the user equipment 110 may be an internet of things user equipment such as sensor devices, mobile phones (or "cellular" phones) and computers with internet of things user equipment, for example, stationary, portable, pocket, hand-held, computer-built-in or vehicle-mounted devices. Such as a Station (STA), subscriber unit (subscriber unit), subscriber Station (subscriber Station), mobile Station (mobile Station), mobile Station (mobile), remote Station (remote Station), access point, remote user equipment (remote terminal), access user equipment (access terminal), user device (user terminal), user agent (user agent), user device (user device), or user equipment (user request). Alternatively, the user device 110 may be a device of an unmanned aerial vehicle. Alternatively, the user device 110 may be a vehicle-mounted device, for example, a laptop with a wireless communication function, or a wireless user device with an external laptop. Alternatively, the user device 110 may be a roadside device, for example, a street lamp, a signal lamp, or other roadside devices with a wireless communication function.

The base station 120 may be a network-side device in a wireless communication system. Wherein the wireless communication system may be a fourth generation mobile communication technology (the 4th generation mobile communication,4G) system, also known as a long term evolution (Long Term Evolution, LTE) system; alternatively, the wireless communication system may be a 5G system, also known as a new air interface system or a 5G NR system. Alternatively, the wireless communication system may be a next generation system of the 5G system. Among them, the access network in the 5G system may be called NG-RAN (New Generation-Radio Access Network, new Generation radio access network).

The base station 120 may be an evolved node b (eNB) employed in a 4G system. Alternatively, the base station 120 may be a base station (gNB) in a 5G system that employs a centralized and distributed architecture. When the base station 120 adopts a centralized and distributed architecture, it generally includes a Centralized Unit (CU) and at least two Distributed Units (DUs). A protocol stack of a packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer, a radio link layer control protocol (Radio Link Control, RLC) layer, and a medium access control (Media Access Control, MAC) layer is provided in the centralized unit; a Physical (PHY) layer protocol stack is provided in the distribution unit, and the specific implementation of the base station 120 is not limited in the embodiments of the present disclosure.

A wireless connection may be established between the base station 120 and the user equipment 110 over a wireless air interface. In various embodiments, the wireless air interface is a fourth generation mobile communication network technology (4G) standard-based wireless air interface; or, the wireless air interface is a wireless air interface based on a fifth generation mobile communication network technology (5G) standard, for example, the wireless air interface is a new air interface; alternatively, the wireless air interface may be a wireless air interface based on a 5G-based technology standard of a next generation mobile communication network.

In some embodiments, an E2E (End to End) connection may also be established between the user devices 110. Such as V2V (vehicle to vehicle, vehicle-to-vehicle) communications, V2I (vehicle to Infrastructure, vehicle-to-road side equipment) communications, and V2P (vehicle to pedestrian, vehicle-to-person) communications among internet of vehicles communications (vehicle to everything, V2X).

In some embodiments, the wireless communication system described above may also include a network management device 130.

Several base stations 120 are respectively connected to a network management device 130. The network management device 130 may be a core network device in a wireless communication system, for example, the network management device 130 may be a mobility management entity (Mobility Management Entity, MME) in an evolved packet core network (Evolved Packet Core, EPC). Alternatively, the network management device may be other core network devices, such as a Serving GateWay (SGW), a public data network GateWay (Public Data Network GateWay, PGW), a policy and charging rules function (Policy and Charging Rules Function, PCRF) or a home subscriber server (Home Subscriber Server, HSS), etc. The embodiment of the present disclosure is not limited to the implementation form of the network management device 130.

As shown in fig. 2, in an embodiment of the present disclosure, there is provided a method for transmitting data, the method including:

step S11, determining N frame-based equipment FBE parameters; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same;

and step S12, performing CCA according to the FBE parameters.

The data transmission method disclosed by the embodiment of the disclosure is applied to communication equipment. Here, the communication device may be a base station or a user equipment. Here, the base station is an access device for a user equipment to access a cellular mobile network. The base station may be various types of base stations, for example, a 3G base station, a 4G base station, a 5G base station, or the like. Here, the user device may be a mobile phone, a computer, a server, a transceiver device, a tablet device, or a medical device, etc.

In one embodiment, the step S11 includes: the base station determines N frame-based equipment FBE parameters;

the step S12 includes: and the base station performs CCA according to the FBE parameters.

Thus, in this embodiment, the base station may configure multiple sets of FBE parameters for downlink transmission.

In another embodiment, the step S11 includes: the user equipment determines N frame-based equipment FBE parameters;

The step S12 includes: and the user equipment performs CCA according to the FBE parameters.

Thus, in this embodiment, the ue may configure multiple sets of FBE parameters for uplink transmission.

In the embodiments of the present disclosure, it may be understood that the CCA is one way to detect whether a channel is idle; if the CCA is successful, the base station or the user equipment can occupy a channel for transmission; if the CCA fails, the base station or the user equipment cannot occupy the channel for transmission. Typically, the duration of one CCA may be one slot. For example, in one embodiment, if the one time slot may be 9 microseconds (us); the base station or the user equipment monitors whether the interference in 9 microseconds is smaller than a certain threshold value, if yes, the channel is considered to be idle; if not, the channel is not considered to be idle. If the channel is determined to be idle, the base station or the user equipment may occupy the channel for transmission.

In an embodiment of the present disclosure, the FBE parameter includes: the detection time parameter of the CCA and the CCA period.

Wherein the CCA period is a time interval between two adjacent CCA times. For example, a CCA period corresponding to one FBE parameter is 10 milliseconds (ms), and CCA is performed every 10 ms.

Wherein the detection time parameter is indicative of at least one of: the start time, the end time, and/or the duration of the CCA, etc. For example, if the CCA period corresponding to one FBE parameter is 10 ms, the CCA may be started at 0 ms, 10 ms, 20 ms, or 30 ms. As another example, if the CCA period corresponding to another FBE parameter is 5 ms, the CCA may begin at 0 ms, 5 ms, 10 ms, or 15 ms.

In some embodiments, the detection time parameters corresponding to at least some of the N FBE parameters are at least partially different.

Illustratively, the base station determines 3 FBE parameters; the CCA period corresponding to the first FBE parameter is 6 ms, and the corresponding CCA detection time parameters are 0 ms, 6 ms, 12 ms and 18 ms; the CCA period corresponding to the second FBE parameter is 6 milliseconds, and the detection time parameters of the corresponding CCA are 0 milliseconds, 6 milliseconds, 12 milliseconds and 18 milliseconds; the third FBE parameter corresponds to a CCA period of 7 ms and the corresponding CCA detection time parameters are 0 ms, 7 ms, 14 ms and 21 ms. The detection time parameters corresponding to the first FBE parameter and the third FBE parameter are all different from each other in the 3 FBE parameters; or the detection time parameters corresponding to the second FBE parameter and the third FBE parameter are all different.

Illustratively, the user equipment determines 3 FBE parameters; the CCA period corresponding to the first FBE parameter is 6 ms, and the corresponding CCA detection time parameters are 0 ms, 6 ms, 12 ms and 18 ms; the second FBE parameter corresponds to a CCA period of 3 ms and the corresponding CCA time parameters are 0 ms, 3 ms, 6 ms, 12 ms, 15 ms and 18 ms; the third FBE parameter corresponds to a CCA period of 6 ms and the corresponding CCA detection time parameters are 0 ms, 6 ms, 12 ms and 18 ms. The CCA time parameter corresponding to the first FBE parameter and the second FBE parameter is at least partially different from each other among the 3 FBE parameters.

In some embodiments, the FBE parameters further comprise: an offset value (offset) of the CCA is performed.

Here, the offset value is a value offset from the reference point; for example, a value offset from 0. In an embodiment, the offset values of different FBE parameters with respect to the same reference point are different.

In some embodiments, the offset value comprises one or more time slots. In other embodiments, the offset value may include one or more symbols (symbols).

For example, in an application scenario, if the CCA period corresponding to the FBE parameter is 10 ms, the offset value is 1 slot; under the application scenario, if 1 time slot is 1 millisecond, the detection time parameters corresponding to the FBE parameters are 1 millisecond, 11 milliseconds, 21 milliseconds, 31 milliseconds, … …, (mx10+1) milliseconds; wherein M is a positive integer greater than or equal to 1.

In some embodiments, among the N FBE parameters, offset values for performing CCA corresponding to different FBE parameters are different and identical.

In an application scenario, for example, 5 FBE parameters are determined, the offset value of the first FBE parameter is 0, the offset value of the second FBE parameter is 2 slots, the offset value of the third FBE parameter is 5 symbols, the offset value of the fourth FBE parameter is 0, and the offset value of the fifth FBE parameter is 2 slots. It is determined that at least the offset values of the first FBE parameter, the second FBE parameter, and the third FBE parameter are not the same.

In the embodiment of the present disclosure, a plurality of FBE parameters may be configured at a base station or a user equipment. Thus, when the base station or the user equipment fails to perform CCA based on the current detection time of one of the FBE parameters, the base station or the user equipment can perform CCA by using the other FBE parameter without waiting for the next detection time corresponding to the one FBE parameter to come; furthermore, the waiting time of the next CCA can be greatly shortened, and the waiting time of data or signaling and other transmission can be greatly shortened.

In some embodiments, the step S12 includes:

Here, each of the N FBE parameters and the k FBE parameters may be any one of the N FBE parameters as long as the N is satisfied to be different from the k.

For example, the base station configures 2 FBE parameters for downlink transmission; wherein, the CCA periods corresponding to the 2 FBE parameters are the same and are all 10 ms. The offset value corresponding to the first FBE parameter is 0, and the detection time parameter of the CCA corresponding to the first FBE parameter may be 0 ms, 10 ms, 20 ms, … …, (mx 10) ms; wherein M is a positive integer greater than or equal to 1. The offset value for the second FBE parameter is 1 slot, in this example, 1 millisecond; the detection time parameter of the CCA corresponding to the second FBE parameter may be 1 ms, 11 ms, 21 ms, … …, (mx 10) ms. If the base station fails to perform CCA when the first FBE parameter corresponds to 30 milliseconds; the CCA may be performed for 31 milliseconds corresponding to the second FBE parameter.

If in the above example, the base station further configures a third FBE parameter and a fourth FBE parameter for downlink transmission; the base station may also perform CCA based on one of the third FBE parameter or the fourth FBE parameter when the 30 ms detection corresponding to the first FBE parameter fails.

The ue determines 3 FBE parameters for uplink transmission; wherein, the CCA periods corresponding to the 3 FBE parameters are the same and are all 5 milliseconds. The offset value corresponding to the first FBE parameter is 0, and the detection time parameter of the CCA corresponding to the first FBE parameter may be 0 ms, 5 ms, 10 ms, … …, (mx 5) ms; wherein M is a positive integer greater than or equal to 1. The offset value corresponding to the second FBE parameter is 1 slot, in this example, one slot is 1 ms, and the detection time parameter of the CCA corresponding to the second FBE parameter may be 1 ms, 6 ms, 11 ms, … …, (mx5+1) ms. The offset value corresponding to the third FBE parameter is 7 symbols, in this example, 14 symbols for one slot, and 0.5 ms for 7 symbols; the detection time parameter of the CCA corresponding to the third FBE parameter may be 0.5 ms, 5.5 ms, 10.5 ms, … …, (mx5+0.5) ms. If the base station fails to perform CCA when the first FBE parameter corresponds to 30 milliseconds; the CCA may be performed for 31 ms corresponding to the second FBE parameter or 30.5 ms corresponding to the third FBE parameter.

As such, in embodiments of the present disclosure, if CCA fails in response to the nth FBE parameter; for example, in the above two examples, if the base station fails to perform CCA in 30 ms corresponding to the first FBE parameter, the base station may perform CCA in 31 ms corresponding to the second FBE parameter directly without waiting for CCA in 40 ms corresponding to the first FBE parameter; or, if the user equipment fails to perform CCA in 30 ms corresponding to the first FBE parameter, it is not required to wait for CCA in 40 ms corresponding to the first FBE parameter, and CCA may be performed directly in 31 ms corresponding to the second FBE parameter or 30.5 ms corresponding to the third FBE parameter. Therefore, the waiting time delay can be greatly shortened, the next CCA (clear channel assessment) speed is increased, and the waiting time delay for transmission can be greatly reduced.

Of course, in order to further shorten the waiting time delay of performing CCA next, when the base station or the user equipment fails to detect based on the detection time corresponding to one FBE parameter, one FBE parameter having the shortest distance from the detection time may be selected to perform CCA according to the detection time corresponding to the detection time.

For example, in some implementations, the detection time parameters of the k FBE parameters are the shortest distance from the detection time parameters of the n FBE parameters. For example, in the above example, if the base station fails to perform CCA at 30 ms corresponding to the first FBE parameter; the CCA may be performed for 30.5 milliseconds corresponding to the third FBE parameter. Therefore, the time delay for waiting for the CCA can be further shortened, and the transmission speed of the successfully accessed signal is improved.

In some embodiments, the step S12 includes:

In the embodiment of the present disclosure, if the CCA performed by the base station according to the nth FBE parameter is successful, the base station may perform transmission based on the CCA result; similarly, if the user equipment performs CCA according to the nth FB parameter, transmission may be performed based on the CCA result.

In the embodiment of the present disclosure, the transmission performed by the base station or the user equipment may be: transmitting data, transmitting control signaling, or transmitting data and control signaling; in the embodiment of the present disclosure, the content and type of transmission are not limited.

In some embodiments, the nth FBE parameter is the same CCA period as the kth FBE parameter.

In other embodiments, the nth FBE parameter is different from the CCA period corresponding to the kth FBE parameter.

In the embodiment of the present disclosure, CCA periods corresponding to the determined middle FBE parameters of the N FBE parameters may be the same; or, CCA periods corresponding to each FBE parameter in the N FBE parameters are the same; alternatively, each of the N FBE parameters is different. Thus, the configuration of the CCA period diversification corresponding to the N FBE parameters can be realized.

As shown in fig. 3, the method further includes:

and step S13, in response to failure of CCAs corresponding to the N FBE parameters, reusing the N FBE parameters for CCA.

Illustratively, the base station determines 3 FBE parameters for downlink transmission; wherein, the CCA periods corresponding to the 3 FBE parameters are the same and are all 5 milliseconds. The offset value corresponding to the first FBE parameter is 0, and the detection time parameter of the CCA corresponding to the first FBE parameter may be 0 ms, 5 ms, 10 ms, … …, (mx 5) ms; wherein M is a positive integer greater than or equal to 1. The offset value corresponding to the second FBE parameter is 1 slot, in this example, one slot is 1 ms, and the detection time parameter of the CCA corresponding to the second FBE parameter may be 1 ms, 6 ms, 11 ms, … …, (mx5+1) ms. The offset value corresponding to the third FBE parameter is 7 symbols, in this example, 14 symbols for one slot, and 0.5 ms for 7 symbols; the detection time parameter of the CCA corresponding to the third FBE parameter may be 0.5 ms, 5.5 ms, 10.5 ms, … …, (mx5+0.5) ms.

If the base station fails to perform CCA when the first FBE parameter corresponds to 30 milliseconds; and when the CCA is performed for 31 ms corresponding to the second FBE parameter or the CCA is performed for 30.5 ms corresponding to the third FBE parameter, the CCA may be performed again based on 40 ms corresponding to the first FBE parameter. Alternatively, in other examples, CCA may be performed based on 40.5 milliseconds of the second FBE parameter or 41 milliseconds of the third FBE parameter.

In the embodiment of the present disclosure, if the base station or the user equipment traverses each FBE parameter of the N FBE parameters to perform CCA, all fail; the N FBE parameters may be reused for CCA. In this way, the success rate of CCA may be improved, so that the base station or the user equipment occupies the channel as soon as possible to transmit data.

As shown in fig. 4, in some embodiments, the communication device is a user equipment UE;

the determining N frame-based device FBE parameters comprises:

step S111, receiving the N FBE parameters through a broadcast channel; or, receiving the N FBE parameters through a radio resource control RRC message.

In one embodiment, the step S111 includes: the user equipment receives the N FBE parameters sent by the base station through a broadcast channel, or receives the N FBE parameters sent by the base station through a radio resource control message.

It will be appreciated that the user equipment itself cannot configure the FBE parameters, and needs to be configured with the FBE parameters by the base station. Thus, in the embodiment of the present disclosure, the ue may receive N FBE parameters broadcasted by the base station through a broadcast channel; or, the N FBE parameters are received through an RRC message transmitted by the base station.

Of course, in other embodiments, the base station may send only a part of the number FBE parameters in the N FBE parameters to the ue.

In other embodiments, as shown in fig. 5, the communication device is a base station;

the determining N frame-based device FBE parameters comprises:

step S112, generating the N FBE parameters.

Here, the cell in which the base station is located has a plurality of user equipments, or the base station is connected to a plurality of user equipment base stations.

Here, the base station may transmit the N FBE parameters to the plurality of user equipments through a broadcast channel.

Or, the base station may send the N FBE parameters to the plurality of user equipments through an RRC message.

Alternatively, the base station may send the N FBE parameters to the designated user equipment through an RRC message.

In the embodiment of the present disclosure, the base station may randomly generate the N FBE parameters, where the configuring includes configuring at least one of a CCA period, a detection time parameter, and an offset value corresponding to the FBE parameters. Or the base station may also generate the N FBE parameters according to a preset rule.

For example, in some embodiments, the step S112 includes:

If the transmission period of the data to be transmitted is a first duration, generating CCA periods corresponding to at least some FBE parameters in the N FBE parameters as the first duration; or generating CCA periods corresponding to at least part of the number of the N FBE parameters as a second duration, where a difference between the second duration and the first duration is within a predetermined range.

In the embodiment of the present disclosure, a CCA period corresponding to the FBE parameter may be generated according to a transmission period of transmission data; in this way, the efficiency of transmission of data, signaling, etc. is advantageously improved.

Of course, in other embodiments, the step S112 includes:

and if the data to be transmitted is aperiodic data, randomly configuring a CCA period contained in the FBE parameter.

Here, the aperiodic data is that the transmission of the data is not periodic.

Thus, in this embodiment, if the data to be transmitted is aperiodic data, the CCA period included in the FBE parameter may also be configured randomly.

As another example, in some embodiments, the step S112 includes:

and determining the current N FBE parameters according to the historical FBE parameters.

In the embodiment of the present disclosure, current N FBE parameters may be determined according to the historically used FBE parameters, which may improve the success rate of CCA based on the FBE parameters.

Example one

The embodiment of the disclosure also provides a data transmission method applied to the base station, which comprises the following steps:

step one: the base station configures 2 FBE parameters;

specifically, the base station configures 2 FBE parameters for downlink transmission; the CCA periods corresponding to the 2 FBE parameters are the same, and are all 10 milliseconds. The offset value corresponding to the first FBE parameter is 0, and the detection time parameter of the CCA corresponding to the first FBE parameter is 0 ms, 10 ms, 20 ms, … …, (mx 10) ms; wherein M is a positive integer greater than or equal to 1. The offset value for the second FBE parameter is 1 slot, in this example, 1 millisecond; the detection time parameter of the CCA corresponding to the second FBE parameter is 1 ms, 11 ms, 21 ms, … …, (mx10) ms.

Step two: the base station performs CCA according to the 2 FBE parameters;

specifically, the base station performs CCA according to 20 milliseconds corresponding to the first FBE parameter; if the detection is successful, data is issued based on the first FBE parameter;

if the detection fails, CCA is carried out according to 21 milliseconds corresponding to the second FBE parameter, and if the detection is successful, data is issued based on the second FBE parameter.

Thus, in this example, when the base station fails to perform CCA for 20 ms corresponding to the first FBE parameter, the base station does not need to wait for 30 ms to perform CCA, and may perform CCA directly based on 21 ms corresponding to the second FBE parameter; therefore, the time for performing CCA next time is shortened, and the waiting time required by the base station for issuing data can be shortened.

Example two

The embodiment of the disclosure also provides a data transmission method applied to the user equipment, comprising the following steps:

step one: the user equipment receives 3 FBE parameters;

specifically, the user equipment receives 3 FBE parameters transmitted by the base station through a broadcast channel; the user equipment configures the 3 FBE parameters for uplink transmission. Wherein, the CCA periods corresponding to the 3 FBE parameters are the same and are all 10 ms. The offset value corresponding to the first FBE parameter is 0, and the detection time parameter of the CCA corresponding to the first FBE parameter is 0 ms, 10 ms, 20 ms, … …, (mx 10) ms; wherein M is a positive integer greater than or equal to 1. The offset value corresponding to the second FBE parameter is 1 slot, in this example, 1 ms, and the detection time parameter of CCA corresponding to the second FBE parameter is 1 ms, 11 ms, 21 ms, … …, (mx 10) ms. The offset value corresponding to the third FBE parameter is 7 symbols, in this example, 14 symbols for one slot, and 0.5 ms for 7 symbols; the third FBE parameter corresponds to a CCA detection time parameter of 0.5 ms, 5.5 ms, 10.5 ms, … …, (mx10+0.5) ms.

Step two: the user equipment performs CCA according to the 3 FBE parameters;

specifically, the user equipment performs CCA according to 20 milliseconds corresponding to the first FBE parameter; if the detection is successful, uploading data based on the first FBE parameter;

if the detection fails, CCA is carried out according to 20.5 milliseconds corresponding to the third FBE parameter, and if the detection is successful, data is uploaded based on the third FBE parameter;

if the detection fails, CCA is carried out based on 21 milliseconds corresponding to the second FBE parameter, and if the detection is successful, data is uploaded based on the second FBE parameter.

Thus, in this example, when the CCA performed for 20 ms corresponding to the first FBE parameter of the user equipment fails, the CCA may be performed directly based on 20.5 ms corresponding to the third FBE parameter without waiting for 30 ms to perform the CCA. If the CCA performed for 20.5 ms based on the third FBE parameter fails, the CCA may be performed for 21 ms based on the second FBE parameter without waiting for 30.5 ms. In this way, the present example may shorten the time for performing CCA next time, and thus may shorten the waiting time required for the base station to issue data.

As shown in fig. 6, an embodiment of the present disclosure provides a processing apparatus for data transmission, which is applied to a communication device, where the apparatus includes: a determining module 41, a detecting module 42 and a transmitting module 43; wherein, the liquid crystal display device comprises a liquid crystal display device,

The determining module 41 is configured to determine N frame-based device FBE parameters; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same;

the detection module 42 performs CCA according to the FBE parameter.

In some embodiments, the detection module 42 is configured to perform CCA in accordance with the kth FBE parameter in response to a CCA failure in accordance with the nth FBE parameter; wherein N is a positive integer less than or equal to N, and k is a positive integer less than or equal to N; the n is different from the k.

In some embodiments, the apparatus further comprises:

a transmission module 43 configured to transmit based on the nth FBE parameter in response to a CCA success in accordance with the nth FBE parameter.

In some embodiments, the nth FBE parameter is different than a CCA period corresponding to the kth FBE parameter.

In some embodiments, the detection module 43 is configured to restart CCA using the N FBE parameters in response to a failure of each of the corresponding CCAs according to the N FBE parameters.

In some embodiments, the communication device is a user equipment, UE;

the determining module 41 is configured to receive the N FBE parameters through a broadcast channel; or configured to receive the N FBE parameters through a radio resource control RRC message.

In some embodiments, the communication device is a base station;

the determination module 41 is configured to generate the N FBE parameters.

In some embodiments, the determining module 41 is configured to generate CCA periods corresponding to the N FBE parameters according to a transmission period of the data to be transmitted.

In some embodiments, among the N FBE parameters, offset values of performing CCA corresponding to different FBE parameters are not identical.

The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.

The embodiment of the disclosure also provides a communication device, wherein the communication device comprises:

a processor;

a memory for storing the processor-executable instructions;

The processor may include, among other things, various types of storage media, which are non-transitory computer storage media capable of continuing to memorize information stored thereon after a power down of the communication device.

The processor may be coupled to the memory via a bus or the like for reading an executable program stored on the memory, for example, at least one of the methods shown in fig. 2-5.

The embodiment of the present disclosure also provides a computer storage medium, where the computer storage medium stores a computer executable program, where the executable program when executed by a processor implements the method of data transmission according to any embodiment of the present disclosure.

Fig. 7 is a block diagram of a User Equipment (UE) 800, according to an example embodiment. For example, user device 800 may be a mobile phone, computer, digital broadcast user device, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.

Referring to fig. 7, a user device 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.

The processing component 802 generally controls overall operation of the user device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interactions between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

The memory 804 is configured to store various types of data to support operations at the user device 800. Examples of such data include instructions for any application or method operating on the user device 800, contact data, phonebook data, messages, pictures, video, and the like. The memory 804 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

The power supply component 806 provides power to the various components of the user device 800. The power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the user device 800.

The multimedia component 808 includes a screen between the user device 800 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and/or a rear camera. The front camera and/or the rear camera may receive external multimedia data when the user device 800 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the user device 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 further includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.

The sensor assembly 814 includes one or more sensors for providing status assessment of various aspects of the user device 800. For example, the sensor assembly 814 may detect an on/off state of the device 800, a relative positioning of the components, such as a display and keypad of the user device 800, the sensor assembly 814 may also detect a change in position of the user device 800 or a component of the user device 800, the presence or absence of a user's contact with the user device 800, an orientation or acceleration/deceleration of the user device 800, and a change in temperature of the user device 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 816 is configured to facilitate communication between the user device 800 and other devices, either in a wired or wireless manner. The user device 800 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In one exemplary embodiment, the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the user device 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.

In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as memory 804 including instructions executable by processor 820 of user device 800 to perform the above-described method. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.

As shown in fig. 8, an embodiment of the present disclosure shows a structure of a base station. For example, base station 900 may be provided as a network-side device. Referring to fig. 9, base station 900 includes a processing component 922 that further includes one or more processors and memory resources represented by memory 932 for storing instructions, such as applications, executable by processing component 922. The application programs stored in memory 932 may include one or more modules that each correspond to a set of instructions. Further, processing component 922 is configured to execute instructions to perform any of the methods previously described above as applied to the base station, e.g., as shown in fig. 2-3.

Base station 900 may also include a power component 926 configured to perform power management for base station 900, a wired or wireless network interface 950 configured to connect base station 900 to a network, and an input output (I/O) interface 958. The base station 900 may operate based on an operating system stored in memory 932, such as Windows Server TM, mac OS XTM, unixTM, linuxTM, freeBSDTM, or the like.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. A method of data transmission, applied to a communication device, wherein the method comprises:

determining N frame-based device FBE parameters; wherein the determining N frame-based device FBE parameters at least comprises: generating CCA periods corresponding to the N FBE parameters according to the transmission period of the data to be transmitted; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same;

performing CCA according to the FBE parameters; wherein, the CCA according to the FBE parameter comprises: responsive to a CCA failure according to the nth FBE parameter, CCA according to the kth FBE parameter; wherein N is a positive integer less than or equal to N, and k is a positive integer less than or equal to N; said n is different from said k; wherein the detection time parameter of the kth FBE parameter is the shortest distance from the detection time parameter of the nth FBE parameter; the detection time parameter is at least used to indicate a start time of the CCA.

2. The method of claim 1, wherein the CCA in accordance with the FBE parameter comprises:

3. The method of any of claims 1-2, wherein the nth FBE parameter is the same as a CCA period corresponding to the kth FBE parameter.

4. The method of any of claims 1-2, wherein the nth FBE parameter is different from a CCA period corresponding to the kth FBE parameter.

5. The method of claim 1, wherein the method further comprises:

6. The method of claim 1, wherein the communication device is a user equipment, UE;

the determining N frame-based device FBE parameters comprises:

receiving the N FBE parameters through a broadcast channel;

or alternatively, the process may be performed,

7. The method of claim 1, wherein the communication device is a base station;

the determining N frame-based device FBE parameters comprises:

The N FBE parameters are generated.

8. The method of claim 1, wherein offset values of performing CCA corresponding to different FBE parameters are not identical among the N FBE parameters.

9. An apparatus for data transmission, applied to a communication device, wherein the apparatus comprises:

a determining module configured to determine N frame-based device FBE parameters; the determining module is configured to generate CCA periods corresponding to the N FBE parameters according to a transmission period of data to be transmitted; wherein N is a positive integer equal to or greater than 2; and the detection time parameters of the idle channel assessment CCA corresponding to the N FBE parameters are not completely the same;

the detection module performs CCA according to the FBE parameters; the detection module is configured to respond to the failure of CCA according to the nth FBE parameter and to conduct CCA according to the kth FBE parameter; wherein N is a positive integer less than or equal to N, and k is a positive integer less than or equal to N; said n is different from said k; wherein the detection time parameter of the kth FBE parameter is the shortest distance from the detection time parameter of the nth FBE parameter; the detection time parameter is at least used to indicate a start time of the CCA.

10. The apparatus of claim 9, wherein the apparatus further comprises:

11. The apparatus of any of claims 9-10, wherein the nth FBE parameter is the same as a CCA period corresponding to the kth FBE parameter.

12. The apparatus of any of claims 9-10, wherein the nth FBE parameter is different from a CCA period corresponding to the kth FBE parameter.

13. The apparatus of claim 9, wherein the detection module is configured to begin CCA with the N FBE parameters in response to each of the corresponding CCA failing according to the N FBE parameters.

14. The apparatus of claim 9, wherein the communication device is a user equipment, UE;

15. The apparatus of claim 9, wherein the communication device is a base station;

the determination module is configured to generate the N FBE parameters.

16. The apparatus of claim 9, wherein offset values of performing CCA corresponding to different FBE parameters are not exactly the same among the N FBE parameters.

17. A communication device, wherein the communication device comprises:

a processor;

a memory for storing the processor-executable instructions;

wherein the processor is configured to: a method for implementing the data transmission of any one of claims 1 to 8 when said executable instructions are executed.

18. A computer storage medium storing a computer executable program which when executed by a processor implements the method of data transmission of any one of claims 1 to 8.