CN108990026A - A method of it is carried out wireless communication in equipment using unlicensed spectrum - Google Patents
A method of it is carried out wireless communication in equipment using unlicensed spectrum Download PDFInfo
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- CN108990026A CN108990026A CN201810886443.3A CN201810886443A CN108990026A CN 108990026 A CN108990026 A CN 108990026A CN 201810886443 A CN201810886443 A CN 201810886443A CN 108990026 A CN108990026 A CN 108990026A
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- China
- Prior art keywords
- signal
- subframe
- frame
- control channel
- downlink control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Abstract
The invention discloses a kind of methods carried out wireless communication in equipment using unlicensed spectrum, comprising: receives the first frame duplicate at least once including the first signal and the first signal over time or over frequency, the first signal includes data-signal or control signal；Be based at least partially on the received first frame of institute and a base station communication.The present invention is capable of providing specific frequency spectrum and carries out wireless communication, and extends the bandwidth of wireless communication, provides more convenient and fast radio communication service for user.
Description
Technical field
The present invention relates to wireless communication technology fields, in particular to a kind of enterprising in equipment using unlicensed spectrum
The method of row wireless communication.
Background technique
Wireless communication system is widely deployed to provide various types of Content of Communication, such as voice in the prior art, depending on
Frequently, packet data, message transmission, broadcast etc..These systems can be by sharing available system resource (such as time, frequency
And power) support the communication with multiple users.The example of this multi-address system includes CDMA (CDMA) system, and the time-division is more
Location (TDMA) system, frequency division multiple access (FDMA) system and orthogonal frequency division multiple access (OFDMA) system are (for example, long term evolution (LTE) system
System or new radio (NR) system).Wireless multiple-access communication system may include multiple base stations or access network nodes, each base station
Or access network nodes support the communication of multiple communication equipments simultaneously, can be further referred to as user equipment (UE).
Some wireless communication systems can be used for supporting to provide the connection for transmitting data for various equipment and common object
Technology, commonly referred to as IoT.In some instances, such as LTE or LTE-Advanced can be used in these wireless communication systems
(LTE-A) the first radio access technologies (RAT) operate, and may include multiple base stations, and each base station is supported simultaneously
With the communication of multiple equipment, such as internet of things equipment or UE.It can also be shared according to these base stations of the first RAT operation and UE
Or it is communicated in unlicensed radio frequency (RF) frequency spectrum.
Application of the Internet of Things in the industrial environment of such as manufacturing works can be improved operating efficiency and introduce more flexible
Production technology.However, the benefit obtained from industrial IoT scheme may also due to using relevant cost to the RF spectrum of license
Use dependent on unlicensed RF spectrum.As a result, to realize that covering and link are pre- using the wireless communication system of unlicensed spectrum
It may be beneficial that enhanced scheme, which is calculated, with the connection for ensuring the equipment in industrial IoT setting.
Summary of the invention
The invention proposes a kind of methods carried out wireless communication in equipment using unlicensed spectrum, comprising:
The first frame duplicate at least once including the first signal and the first signal, the first letter are received over time or over frequency
Number include data-signal or control signal；With
It is based at least partially on the received first frame of institute and base station communication.
The method, first signal include received first frame time on discovery ginseng in the first subframe
Signal is examined, and wherein, the described of first signal repeats to include repeating the discovery in one with reference to letter at least once
Number；Alternatively, received first frame more subsequent subframes, this method further include:
It is based at least partially on discovery reference signal and finds that the repetition of reference signal is associated with base station fixed to determine
When synchronous, system bandwidth and system information block (SIB) information.
The method, first signal include synchronous letter in the discovery reference signal subframe of received first frame
Number, and wherein, the described of first signal repeats to include described same in the discovery reference signal subframe at least once
Walk the repetition of signal.
The method, first signal include received first frame time on it is enhanced in the second subframe
Machine type communication (MTC) physical downlink control channel, the method also includes:
Be based at least partially on physical downlink control channel identification it is more in the subsequent subframe of received first frame
A system information block (SIB).
The method, first signal include received first frame time on it is multiple small in the first subframe
Area's specific reference signals, and wherein, the described of first signal repeats to include repeating in multiple subsequent subframes at least once
On specific reference signals, this method further include:
The beginning of transmission opportunity is at least detected based on the combination of multiple specific reference signals in time upper first subframe.
The method, first signal include received first frame subframe in enhanced machine type it is logical
Believe (MTC) physical downlink control channel, and wherein, the described of first signal repeats to include: conduct at least once
The frequency domain of physical downlink control channel in the transmission opportunity of subframe repeats, this method further include:
It is based at least partially on the starting point of subframe identification physical downlink control channel；With
It is based at least partially under the physics in the starting point of physical downlink control channel and the transmission opportunity of subframe
The accumulation of Uplink Control Channel decodes first frame.
The method, first signal include received first frame subframe in physical down link control
Channel, and wherein, the described of first signal repeats to include under the physics in first signal at least once
The repetition of Uplink Control Channel；As the transmission opportunity of subframe, this method further include:
It is based at least partially on the starting point of subframe identification physical downlink control channel；With
It is based at least partially on the starting point of identified physical downlink control channel and the identical traffic in subframe
The accumulation of physical downlink control channel in chance decodes first frame.
The method, first signal include received first frame time under physics in the first subframe
Uplink Control Channel, and wherein, time upper first subframe is in the first transmission opportunity, and at least one described weight
Multiple first signal includes that physical downlink control channel, this method are repeated in subsequent transmission chance further include:
Temporal first subframe is based at least partially on to identify the starting point of physical downlink control channel；With
It is based at least partially on the starting point of physical downlink control channel and in the first transmission opportunity and subsequent
The accumulation of physical downlink control channel in transmission opportunity decodes first frame.
The method, first signal include physical down link in the first subframe of received first frame it is total
Channel is enjoyed, and wherein, the described of first signal repeats to include in the physical down link sharing channel at least once
Repetition；The subframe of transmission opportunity including the first subframe, this method further include:
The physical down being based at least partially in the physical down link sharing channel and additional sub-frames in the first subframe
The repetitions of link shared channels decodes physical down link sharing channel.
The method, first signal include the shared letter of physical down link in the subframe of received first frame
Road, and wherein, the described of first signal repeats the time domain including the physical down link sharing channel at least once
It repeats；In the transmission opportunity for including subframe and subsequent transmission chance.
Detailed description of the invention
From following description with reference to the accompanying drawings it will be further appreciated that the present invention.Component in figure is not drawn necessarily to scale,
But it focuses on and shows in the principle of embodiment.In the figure in different views, identical appended drawing reference is specified to be corresponded to
Part.
Fig. 1 is a kind of schematic diagram of method carried out wireless communication in equipment using unlicensed spectrum of the invention.
Specific embodiment
In order to enable the objectives, technical solutions, and advantages of the present invention are more clearly understood, below in conjunction with embodiment, to this
Invention is further elaborated；It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, and does not have to
It is of the invention in limiting.To those skilled in the art, after access is described in detail below, other systems of the present embodiment
System, method and/or feature will become obvious.All such additional systems, method, feature and advantage are intended to be included in
It in this specification, is included within the scope of the invention, and by the protection of the appended claims.In description described in detail below
The other feature of the disclosed embodiments, and these characteristic roots will be apparent according to described in detail below.
Embodiment one:
As shown in Figure 1, for a kind of signal of the method carried out wireless communication in equipment using unlicensed spectrum of the present invention
Figure, comprising:
The first frame duplicate at least once including the first signal and the first signal, the first letter are received over time or over frequency
Number include data-signal or control signal；With
It is based at least partially on the received first frame of institute and base station communication.
The method, wherein first signal include received first frame time in the first subframe
It was found that reference signal, and wherein, the described of first signal repeats to include repeating the discovery in one at least once
Reference signal.Alternatively, received first frame more subsequent subframes, this method further include:
It is based at least partially on discovery reference signal and finds that the repetition of reference signal is associated with base station fixed to determine
When synchronous, system bandwidth and system information block (SIB) information.
The method, wherein first signal include in the discovery reference signal subframe of received first frame
Synchronization signal, and wherein, the described of first signal repeats to include in the discovery reference signal subframe at least once
The repetition of the synchronization signal.
The method, wherein first signal include received first frame time in the second subframe
Enhanced machine type communication (MTC) physical downlink control channel, the method also includes:
Be based at least partially on physical downlink control channel identification it is more in the subsequent subframe of received first frame
A system information block (SIB).
The method, wherein first signal include received first frame time in the first subframe
Multiple cell specific reference signals, and wherein, the described of first signal repeats to include repeating after multiple at least once
Specific reference signals in continuous subframe, this method further include:
The beginning of transmission opportunity is at least detected based on the combination of multiple specific reference signals in time upper first subframe.
The method, wherein first signal include received first frame subframe in enhanced machine
Type communication (MTC) physical downlink control channel, and wherein, the duplicate packages at least once of first signal
Include: the frequency domain as the physical downlink control channel in the transmission opportunity of subframe repeats, this method further include:
It is based at least partially on the starting point of subframe identification physical downlink control channel；With
It is based at least partially under the physics in the starting point of physical downlink control channel and the transmission opportunity of subframe
The accumulation of Uplink Control Channel decodes first frame.
The method, wherein first signal include received first frame subframe in physical down chain
Road control channel, and wherein, first signal it is described repeat at least once include in first signal described in
The repetition of physical downlink control channel.As the transmission opportunity of subframe, this method further include:
It is based at least partially on the starting point of subframe identification physical downlink control channel；With
It is based at least partially on the starting point of identified physical downlink control channel and the identical traffic in subframe
The accumulation of physical downlink control channel in chance decodes first frame.
The method, wherein first signal include received first frame time in the first subframe
Physical downlink control channel, and wherein, time upper first subframe in the first transmission opportunity, and it is described at least
One the first signal of repetition includes that physical downlink control channel, this method are repeated in subsequent transmission chance further include:
Temporal first subframe is based at least partially on to identify the starting point of physical downlink control channel；With
It is based at least partially on the starting point of physical downlink control channel and in the first transmission opportunity and subsequent
The accumulation of physical downlink control channel in transmission opportunity decodes first frame.
The method, wherein first signal include physical down in the first subframe of received first frame
Link shared channels, and wherein, the described of first signal repeats to include that the physical down link is shared at least once
Repetition in channel.The subframe of transmission opportunity including the first subframe, this method further include:
The physical down being based at least partially in the physical down link sharing channel and additional sub-frames in the first subframe
The repetitions of link shared channels decodes physical down link sharing channel.
The method, wherein first signal include physical down link in the subframe of received first frame
Shared channel, and wherein, the described of first signal repeats to include the physical down link sharing channel at least once
Time domain repeat.In the transmission opportunity for including subframe and subsequent transmission chance.
The method, further includes:
The second frame duplicate at least once including second signal and second signal is sent, second signal includes physical accidental
Access channel (PRACH), and wherein second signal and second signal repeat at least once be located at son in continuous.
The method, wherein the first frame includes the uplink being semi-statically configured and the ratio of downlink.
Embodiment two:
A method of it is carried out wireless communication in equipment using unlicensed spectrum, comprising:
Generating includes signal and the duplicate frame of signal over time or over frequency, the signal include data-signal at least once
Or control signal；
One or more channels execution in unlicensed spectrum is first listened and says (LBT) process afterwards；
Performed LBT process is based at least partially on to determine whether one or more of channels are clear；With
The determination is based at least partially on to send frame.
The method, wherein the signal includes the discovery reference signal in the time of the frame upper first subframe, and
And wherein, the described of the signal repeats to include repeating the discovery in one or more subsequent subframes with reference to letter at least once
Number.Frame.
The method, wherein the signal includes the synchronization signal in the discovery reference signal subframe of the frame, and
Wherein, the described of the signal repeats to include repeating the synchronization signal in the discovery reference signal subframe at least once.
The method, wherein the signal includes the enhanced machine type on the time of the frame in the second subframe
Type communicates (MTC) physical downlink control channel.
The method, wherein the signal includes that multiple cells on the time of the frame in the first subframe are specific
Reference signal, and wherein, the signal it is described repeat at least once include repeat over the frame it is described with particular reference to letter
Number.Multiple subsequent subframes.
The method, wherein the signal includes enhanced machine type communication (MTC) object in the subframe of the frame
Downlink control channel is managed, and wherein, the described of the signal repeats to include that frequency domain repeats at least once.As subframe
Physical downlink control channel in transmission opportunity.
The method, wherein the signal includes the physical down link sharing channel in the first subframe of the frame,
And wherein, the described of the signal repeats to include repeating the physical down in the additional sub-frames of the transmission at least once
Link shared channels.Chance includes first subframe.
The method, wherein the signal includes the physical down link sharing channel in the subframe of the frame, and
Wherein, the described of the signal repeats to include time domain of the physical down link sharing channel in transmission opportunity at least once
It repeats.Including subframe and subsequent transmission chance.
Embodiment three:
A kind of device for being carried out wireless communication at the equipment using unlicensed spectrum, comprising:
Processor；
The memory of electronic communication is carried out with processor；With
Operable instruct makes device in memory and when being executed by a processor for storage:
Receive the first frame duplicate at least once of time or frequency including the first signal and the first signal, the first signal
Including data-signal or control signal；With
It is based at least partially on the received first frame of institute and base station communication.
The device, wherein first signal include received first frame time in the first subframe
It was found that reference signal, and wherein, the described of first signal repeats to include repeating the discovery in one at least once
Reference signal.Alternatively, received first frame more subsequent subframes, described instruction can also carry out with:
It is based at least partially on discovery reference signal and finds that the repetition of reference signal is associated with base station fixed to determine
When synchronous, system bandwidth and system information block (SIB) information.
The device, wherein first signal include in the discovery reference signal subframe of received first frame
Synchronization signal, and wherein, the described of first signal repeats to include in the discovery reference signal subframe at least once
The repetition of the synchronization signal.
The device, wherein first signal include received first frame time in the second subframe
Enhanced machine type communication (MTC) physical downlink control channel, described instruction can also carry out with:
Be based at least partially on physical downlink control channel identification it is more in the subsequent subframe of received first frame
A SIB.
The device, wherein first signal include received first frame subframe in enhanced machine
Type communication (MTC) physical downlink control channel, and wherein, the duplicate packages at least once of first signal
Include: the frequency domain as the physical downlink control channel in the transmission opportunity of subframe repeats, which further can be performed:
It is based at least partially on the starting point of subframe identification physical downlink control channel；With
It is based at least partially under the physics in the starting point of physical downlink control channel and the transmission opportunity of subframe
The accumulation of Uplink Control Channel decodes first frame.
The device, wherein first signal include physical down link in the subframe of received first frame
Shared channel, and wherein, the described of first signal repeats to include the physical down link sharing channel at least once
Time domain repeat.In the transmission opportunity for including subframe and subsequent transmission chance.
Example IV:
A kind of device for being carried out wireless communication at the equipment using unlicensed spectrum, comprising:
Processor；
The memory of electronic communication is carried out with processor；With
Operable instruct makes device in memory and when being executed by a processor for storage:
Generating includes signal and the duplicate frame of signal over time or over frequency, the signal include data-signal at least once
Or control signal；
One or more channels execution in unauthorized frequency spectrum is first listened and says (LBT) process afterwards；
Performed LBT process is based at least partially on to determine whether one or more channels are clear；With
The determination is based at least partially on to send frame.
The device, wherein the signal includes the discovery reference signal in the time of the frame upper first subframe, and
And wherein, the described of the signal repeats to include repeating the discovery in one or more subsequent subframes with reference to letter at least once
Number.Frame.
The device, wherein the signal includes enhanced machine type communication (MTC) object in the subframe of the frame
Downlink control channel is managed, and wherein, the described of the signal repeats to include that frequency domain repeats at least once.As subframe
Physical downlink control channel in transmission opportunity.
The device, wherein the signal includes the physical down link sharing channel in the subframe of the frame, and
Wherein, the described of the signal repeats to include time domain of the physical down link sharing channel in transmission opportunity at least once
It repeats.Including subframe and subsequent transmission chance.
Although describing the present invention by reference to various embodiments above, but it is to be understood that of the invention not departing from
In the case where range, many changes and modifications can be carried out.That is methods discussed above, system or equipment etc. show
Example.Various configurations can be omitted suitably, replace or add various processes or component.For example, in alternative configuration, can with
Described order in a different order executes method, and/or can add, and omits and/or combine the various stages.Moreover, about
The feature of certain configuration descriptions can be combined with various other configurations.Can combine in a similar way configuration different aspect and
Element.In addition, many elements are only range of the example without limiting the disclosure or claims with the development of technology.
Give detail in the description to provide to the thorough understanding for including the exemplary configuration realized.However,
Configuration can be practiced without these specific details for example, having been illustrated with well-known circuit, process, calculation
Method, structure and technology are without unnecessary details, to avoid fuzzy configuration.The description only provides example arrangement, and unlimited
The scope of the claims processed, applicability or configuration.It is used on the contrary, front will provide the description of configuration for those skilled in the art
Realize the enabled description of described technology.It, can be to the function of element without departing from the spirit or the scope of the present disclosure
It can and arrange and carry out various changes.
In addition, many operations can be in parallel or concurrently although each operation can describe the operations as sequential process
It executes.Furthermore it is possible to rearrange the sequence of operation.One process may have other steps.Furthermore, it is possible to pass through hardware, soft
Part, firmware, middleware, code, hardware description language or any combination thereof carry out the example of implementation method.When software, firmware, in
Between when realizing in part or code, program code or code segment for executing necessary task can store in such as storage medium
In non-transitory computer-readable medium, and described task is executed by processor.
To sum up, be intended to foregoing detailed description be considered as it is illustrative and not restrictive, and it is to be understood that described
Claim (including all equivalents) is intended to limit the spirit and scope of the present invention.The above embodiment is interpreted as only using
In illustrating the present invention rather than limit the scope of the invention.After the content for having read record of the invention, technology
Personnel can make various changes or modifications the present invention, these equivalence changes and modification equally fall into the claims in the present invention and limited
Fixed range.
Claims (10)
1. a kind of method carried out wireless communication in equipment using unlicensed spectrum characterized by comprising
The first frame duplicate at least once including the first signal and the first signal, the first signal packet are received over time or over frequency
Include data-signal or control signal；With
It is based at least partially on the received first frame of institute and base station communication.
2. the method according to claim 1, wherein first signal include received first frame when
Between discovery reference signal in upper first subframe, and wherein, the described of first signal repeats to be included in one at least once
A interior repetition discovery reference signal；Alternatively, received first frame more subsequent subframes, this method further include:
It is based at least partially on discovery reference signal and finds the repetition of reference signal to determine that timing associated with base station is same
Step, system bandwidth and system information block (SIB) information.
3. according to the method described in claim 2, it is characterized in that, first signal include received first frame discovery
Synchronization signal in reference signal subframe, and wherein, the described of first signal repeats to include the discovery at least once
The repetition of the synchronization signal in reference signal subframe.
4. according to the method described in claim 2, it is characterized in that, first signal include received first frame when
Between enhanced machine type communication (MTC) physical downlink control channel in upper second subframe, the method also includes:
Be based at least partially on physical downlink control channel identification multiple systems in the subsequent subframe of received first frame
It unites block of information (SIB).
5. the method according to claim 1, wherein first signal include received first frame when
Between multiple cell specific reference signals in upper first subframe, and wherein, the described of the first signal repeats at least once
Including repeating the specific reference signals in multiple subsequent subframes, this method further include:
The beginning of transmission opportunity is at least detected based on the combination of multiple specific reference signals in time upper first subframe.
6. the method according to claim 1, wherein first signal include received first frame son
Enhanced machine type communication (MTC) physical downlink control channel in frame, and wherein, first signal it is described
It repeats to include: that the frequency domain of physical downlink control channel in the transmission opportunity as subframe repeats at least once, this method
Further include:
It is based at least partially on the starting point of subframe identification physical downlink control channel；With
The physical down chain being based at least partially in the starting point of physical downlink control channel and the transmission opportunity of subframe
The accumulation of road control channel decodes first frame.
7. the method according to claim 1, wherein first signal include received first frame son
Physical downlink control channel in frame, and wherein, first signal it is described repeat to be included at least once it is described
The repetition of the physical downlink control channel in first signal；As the transmission opportunity of subframe, this method further include:
It is based at least partially on the starting point of subframe identification physical downlink control channel；With
It is based at least partially on the starting point of identified physical downlink control channel and the identical traffic chance in subframe
The accumulation of interior physical downlink control channel decodes first frame.
8. the method according to claim 1, wherein first signal include received first frame when
Between physical downlink control channel in upper first subframe, and wherein, time upper first subframe is in the first conveyer
In meeting, and at least one described first signal of repetition includes that physical down link control letter is repeated in subsequent transmission chance
Road, this method further include:
Temporal first subframe is based at least partially on to identify the starting point of physical downlink control channel；With
It is based at least partially on the starting point of physical downlink control channel and in the first transmission opportunity and subsequent transmission
The accumulation of physical downlink control channel in chance decodes first frame.
9. the method according to claim 1, wherein first signal include received first frame first
Physical down link sharing channel in subframe, and wherein, the described of first signal repeats to include described at least once
Repetition in physical down link sharing channel；The subframe of transmission opportunity including the first subframe, this method further include:
The physical down link being based at least partially in the physical down link sharing channel and additional sub-frames in the first subframe
The repetition of channel is shared to decode physical down link sharing channel.
10. the method according to claim 1, wherein first signal include received first frame son
Physical down link sharing channel in frame, and wherein, the described of first signal repeats to include the object at least once
The time domain for managing downlink sharied signal channel repeats；In the transmission opportunity for including subframe and subsequent transmission chance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886443.3A CN108990026A (en) | 2018-08-06 | 2018-08-06 | A method of it is carried out wireless communication in equipment using unlicensed spectrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886443.3A CN108990026A (en) | 2018-08-06 | 2018-08-06 | A method of it is carried out wireless communication in equipment using unlicensed spectrum |
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| CN108990026A true CN108990026A (en) | 2018-12-11 |
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| CN201810886443.3A Withdrawn CN108990026A (en) | 2018-08-06 | 2018-08-06 | A method of it is carried out wireless communication in equipment using unlicensed spectrum |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150078300A1 (en) * | 2013-09-18 | 2015-03-19 | Qualcomm Incorporated | Coverage enhancements for physical broadcast channel (pbch) |
| CA2949993A1 (en) * | 2014-07-03 | 2016-01-07 | Qualcomm Incorporated | Cell discovery in a wireless network using an unlicensed radio frequency spectrum band |
| WO2018080641A1 (en) * | 2016-10-31 | 2018-05-03 | Qualcomm Incorporated | Unlicensed spectrum coverage enhancement for industrial internet of things |
-
2018
- 2018-08-06 CN CN201810886443.3A patent/CN108990026A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150078300A1 (en) * | 2013-09-18 | 2015-03-19 | Qualcomm Incorporated | Coverage enhancements for physical broadcast channel (pbch) |
| CA2949993A1 (en) * | 2014-07-03 | 2016-01-07 | Qualcomm Incorporated | Cell discovery in a wireless network using an unlicensed radio frequency spectrum band |
| WO2018080641A1 (en) * | 2016-10-31 | 2018-05-03 | Qualcomm Incorporated | Unlicensed spectrum coverage enhancement for industrial internet of things |
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Application publication date: 20181211 |