CN109088708A - A kind of Internet of Things physical signal setting method, equipment and computer readable storage medium - Google Patents
A kind of Internet of Things physical signal setting method, equipment and computer readable storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
The invention proposes a kind of Internet of Things physical signal setting method, equipment and computer readable storage mediums, this method comprises: setting setting quantity transmission duration for each RU in single-tone signal；According to the dispatch situation of subcarriers all in NB-IoT, in the Subcarrier range for transmitting the single-tone signal, it is limited with transmitting the sub-carrier frequencies interval of the single-tone signal in neighboring transmission duration in the preset RU, determines the sub-carrier frequencies of the transmission single-tone signal in each transmission duration in the RU.The present invention can send single-tone signal by frequency hopping, enable the base station NB-IoT estimate reverse link traffic channel when it is inclined, ensure the base station NB-IoT in real time feeding back uplink Timing Advance to user equipment, user equipment has been effectively ensured and has transmitted data to sustained continuous under mobile context, has effectively prevented the random access that user equipment initiates a new round；Single-tone signal is sent by frequency hopping, effectively increases the ability of uplink single-tone signal transmission anti-multipath fading, it is suppressed that co-channel interference.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of Internet of Things physical signal setting methods, equipment and calculating
Machine readable storage medium storing program for executing.
Background technique
It is all things on earth interconnection based on cellular narrowband Internet of Things (NB-IoT, Narrow Band Internet of Things)
One of the main application scenarios of an important branch and 5G (5th-Generation, the 5th generation) communication of network.Protenchyma
Networking is applied particularly to include smart meter reading, the ecological agriculture, the application scenarios such as wisdom parking and shared bicycle.As NB-IoT is answered
With the continuous extension in field, client also proposed higher demand, it is desirable to which NB-IoT can support mobile context.But existing NB-IoT
It is poor for ambulant support, especially when uplink Single-tone (single sub-carrier) transmits, only one son of frequency domain
Carrier wave, can not carry out time offset estimation with conventional time offset estimation method, and base station is not available closed loop mechanism to adjust uplink timing
Lead (Time Advance, TA).Although in the random access procedure, terminal and base station achieve uplink synchronous, on
The timing (timing) that row signal reaches base station may be varied over.
Currently, when only may result in caused by uplink timing malfunctions for the offset accumulation of long-time crystal oscillator in NB-IoT standard
It introduces at uplink Gap (interval) partially, that is, is more than the uplink of 256ms, introduces the uplink Gap of 40ms, terminal is switched to downlink
Time and Frequency Synchronization is carried out, uplink timing caused by the offset of long-time crystal oscillator is accumulated is reduced and malfunctions.Movement for upper terminal causes
Timing, which changes, and current transmission path disappears is switched to two kinds of situations of new transmission path, the detection of the base station NB-IoT
To terminal step-out, terminal will be allowed to re-initiate random access or initiate random access periodically to carry out uplink Timing Synchronization.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of Internet of Things physical signal setting method, equipment and computer
Readable storage medium storing program for executing, overcome the uplink Single-tone signal of user terminal in the prior art by setpoint frequency subcarrier into
Row transmission, since the base station NB-IoT can not be unable to Real-time Feedback to reverse link traffic channel estimating time bias, the base station NB-IoT
Uplink timing advance causes user terminal to re-initiate the defect of random access to user terminal.
The technical solution adopted by the present invention is that a kind of Internet of Things physical signal setting method, comprising:
When setting setting quantity transmission for each resource unit RU in single sub-carrier single-tone signal
It is long；
According to the dispatch situation based on all subcarriers in cellular narrowband Internet of Things NB-IoT, described in transmission
In the Subcarrier range of single-tone signal, to transmit the single- in neighboring transmission duration in the preset RU
The sub-carrier frequencies interval of tone signal is limited, and determines and transmits the single- in the RU in each transmission duration
The sub-carrier frequencies of tone signal.
Further, the son of the single-tone signal is transmitted in each transmission duration in the determination RU
Before carrier frequency, the method also includes:
According to the dispatch situation of subcarriers all in NB-IoT, in the subcarrier model for transmitting the single-tone signal
In enclosing, to transmit the sub-carrier frequencies interval model of the single-tone signal in neighboring transmission duration in the preset RU
It encloses and is limited, it will be between the sub-carrier frequencies that the single-tone signal be transmitted in the RU in any two neighboring transmission duration
Every being set as setting value.
Further, the son of the single-tone signal is transmitted in each transmission duration in the determination RU
Before carrier frequency, the method also includes:
According to the minimum frequency space between the subcarrier for transmitting the single-tone signal, determine described in transmission
The Subcarrier range of single-tone signal；Wherein, the Subcarrier range include: the subcarrier quantity and each institute
State the frequency of subcarrier.
Further, when the transmission subframe duration of a length of single-tone signal integral multiple.
Further, the quantity of the transmission duration is less than or equal to the sub-frame number in the RU；
Alternatively, the quantity of the transmission duration is less than or equal to the number of timeslots in the RU.
The present invention also provides a kind of Internet of Things physical signals, and equipment is arranged, and equipment packet is arranged in the Internet of Things physical signal
It includes: processor and memory；
The processor is used to execute the program of the Internet of Things physical signal setting stored in memory, to realize following step
It is rapid:
When setting setting quantity transmission for each resource unit RU in single sub-carrier single-tone signal
It is long；
According to the dispatch situation based on all subcarriers in cellular narrowband Internet of Things NB-IoT, described in transmission
In the Subcarrier range of single-tone signal, to transmit the single- in neighboring transmission duration in the preset RU
The sub-carrier frequencies interval of tone signal is limited, and determines and transmits the single- in the RU in each transmission duration
The sub-carrier frequencies of tone signal.
Further, the son of the single-tone signal is transmitted in each transmission duration in the determination RU
Before carrier frequency, the processor is also used to execute the program of the Internet of Things physical signal setting stored in memory, with reality
Existing following steps:
According to the dispatch situation of subcarriers all in NB-IoT, in the subcarrier model for transmitting the single-tone signal
In enclosing, to transmit the sub-carrier frequencies interval model of the single-tone signal in neighboring transmission duration in the preset RU
It encloses and is limited, it will be between the sub-carrier frequencies that the single-tone signal be transmitted in the RU in any two neighboring transmission duration
Every being set as setting value.
Further, which is characterized in that transmit the single- in each transmission duration in the determination RU
Before the sub-carrier frequencies of tone signal, the processor is also used to execute the Internet of Things physical signal setting stored in memory
Program, to perform the steps of
According to the minimum frequency space between the subcarrier for transmitting the single-tone signal, determine described in transmission
The Subcarrier range of single-tone signal；Wherein, the Subcarrier range include: the subcarrier quantity and each institute
State the frequency of subcarrier.
Further, when the transmission subframe duration of a length of single-tone signal integral multiple.
Further, the quantity of the transmission duration is less than or equal to the sub-frame number in the RU；
Alternatively, the quantity of the transmission duration is less than or equal to the number of timeslots in the RU.
The present invention also provides a kind of computer readable storage medium, the computer-readable recording medium storage have one or
The multiple programs of person, one or more of programs can be executed by one or more processor, to realize above-mentioned Internet of Things object
The step of managing signal setting method.
By adopting the above technical scheme, the present invention at least has the advantage that
A kind of Internet of Things physical signal setting method, equipment and computer readable storage medium of the present invention, Neng Goutong
Cross frequency hopping send single-tone signal, enable the base station NB-IoT estimate reverse link traffic channel when it is inclined, it is ensured that
Feeding back uplink Timing Advance has been effectively ensured user equipment and has held under mobile context to user equipment in real time for the base station NB-IoT
It is continuous continuously to transmit data, effectively prevent the random access that user equipment initiates a new round；Single- is sent by frequency hopping
Tone signal effectively increases the ability of uplink single-tone signal transmission anti-multipath fading, it is suppressed that co-channel interference.
Detailed description of the invention
Fig. 1 is the Internet of Things physical signal setting method flow chart of first embodiment of the invention；
Fig. 2 is the Internet of Things physical signal setting method flow chart of second embodiment of the invention；
Fig. 3 is the frequency pattern schematic diagram of third embodiment of the invention；
Fig. 4 is the frequency pattern schematic diagram of fourth embodiment of the invention.
Specific embodiment
Further to illustrate the present invention to reach the technical means and efficacy that predetermined purpose is taken, below in conjunction with attached drawing
And preferred embodiment, the present invention is described in detail as after.
First embodiment of the invention, a kind of Internet of Things physical signal setting method, as shown in Figure 1, including walking in detail below
It is rapid:
Each RU in single-tone signal is set setting quantity transmission duration by step S101.
Wherein, when transmission the subframe duration of a length of single-tone signal integral multiple.
Such as: single-tone signal includes 3 RU, the when a length of 8ms of each RU；
2 transmission durations are set by each RU in single-tone signal；
Wherein, when transmission the subframe duration 2ms of a length of single-tone signal 2 times of 4ms.
Step S102 is carried according to the dispatch situation of subcarriers all in NB-IoT in the son of transmission single-tone signal
Within the scope of wave, it is to transmit the sub-carrier frequencies interval of single-tone signal in neighboring transmission duration in preset RU
Limit determines the sub-carrier frequencies of transmission single-tone signal in each transmission duration in RU.
Wherein, in the case where subcarrier minimum frequency space is 15kHz, transmission in neighboring transmission duration in preset RU
The sub-carrier frequencies interval of single-tone signal is [90kHz, 165kHz]；
In the case where subcarrier minimum frequency space is 3.75kHz, transmission in neighboring transmission duration in preset RU
The sub-carrier frequencies interval of single-tone signal is [90kHz, 176.25kHz]；
The Subcarrier range for transmitting single-tone signal includes: the quantity of subcarrier and the frequency of each subcarrier.
The sub-carrier frequencies of i-th of transmission duration of any two RU in single-tone signal can be identical, can also
With not identical；Wherein, [1, M] i ∈；M is the sum of the transmission duration in RU.
The sub-carrier frequencies of j-th of transmission duration of any RU in single-tone signal transmit duration with k-th
Sub-carrier frequencies can be identical, can not also be identical；Wherein, [1, M] j ∈；k∈[1,M]；j≠k；When M is the transmission in RU
Long sum.
By frequency-hopping transmissions of the single-tone signal in different transmission durations, it can effectively enhance single-
The time domain autocorrelation of tone signal, the base station NB-IoT can be estimated according to the time domain autocorrelation of single-tone signal
When it is inclined.
A kind of single-tone letter that Internet of Things physical signal setting method generates described in first embodiment of the invention
Number it is different transmission durations in frequency patterns, with existing NB-PRACH (Physical Random Access Channel,
Physical Random Access Channel) an interior frequency pattern of symbol group (set of symbols) compare, every time transmit frequency hopping son carry
Wave is relatively fixed, it is easier to which MAC (Media Address Control, network interface physical address) layer plans as a whole scheduling；Simultaneously originally
The single-tone signal that a kind of Internet of Things physical signal setting method described in invention first embodiment generates is in different transmission
Frequency pattern in duration is more conducive to promotion receiving end frequency deviation and estimates for same subcarrier with the presence of more frequency pilot signs
The accuracy of meter and the accuracy of channel estimation.
Such as: single-tone signal includes 3 RU, the when a length of 8ms of each RU；
2 transmission durations are set by each RU in single-tone signal；
Wherein, transmit duration when a length of single-tone signal subframe duration 2ms 2 times of 4ms；Subcarrier is minimum
Frequency interval is 15kHz；
According to the dispatch situation of subcarriers all in NB-IoT, in the Subcarrier range (example of transmission single-tone signal
Such as, Subcarrier range includes: 12 subcarriers, 180kHz bandwidth) in, to be transmitted in neighboring transmission duration in preset RU
The sub-carrier frequencies interval [90kHz, 165kHz] of single-tone signal is limited, when determining the first transmission in each RU
The sub-carrier frequencies of transmission single-tone signal are XkHz in long 4ms；It determines in each RU and is passed in the second transmission duration 4ms
The sub-carrier frequencies of defeated single-tone signal are (X+15 × 6) kHz.
For another example: single-tone signal includes 3 RU, the when a length of 8ms of each RU；
2 transmission durations are set by each RU in single-tone signal；
Wherein, transmit duration when a length of single-tone signal subframe duration 2ms 2 times of 4ms；Subcarrier is minimum
Frequency interval is 15kHz；
According to the dispatch situation of subcarriers all in NB-IoT, in the Subcarrier range (example of transmission single-tone signal
Such as, Subcarrier range includes: 12 subcarriers, 180kHz bandwidth) in, to be transmitted in neighboring transmission duration in preset RU
The sub-carrier frequencies interval [90kHz, 165kHz] of single-tone signal is limited, and determines the first transmission in first RU
The sub-carrier frequencies of transmission single-tone signal are XkHz in duration 4ms；Determine the second transmission duration 4ms in first RU
The sub-carrier frequencies of interior transmission single-tone signal are (X+15 × 6) kHz；Determine the first transmission duration 4ms in second RU
The sub-carrier frequencies of interior transmission single-tone signal are (X+15 × 6) kHz；Determine the second transmission duration in second RU
The sub-carrier frequencies of transmission single-tone signal are XkHz in 4ms；It determines in third RU and is passed in the first transmission duration 4ms
The sub-carrier frequencies of defeated single-tone signal are XkHz；Determine transmission in the second transmission duration 4ms in third RU
The sub-carrier frequencies of single-tone signal are (X+15 × 6) kHz.
A kind of Internet of Things physical signal setting method, can be sent by frequency hopping described in first embodiment of the invention
Single-tone signal, enable the base station NB-IoT estimate reverse link traffic channel when it is inclined, it is ensured that the base station NB-IoT
Feeding back uplink Timing Advance has been effectively ensured user equipment and has passed to sustained continuous under mobile context to user equipment in real time
Transmission of data effectively prevents the random access that user equipment initiates a new round；Single-tone signal is sent by frequency hopping, is had
Effect improves the ability of uplink single-tone signal transmission anti-multipath fading, it is suppressed that co-channel interference.
Second embodiment of the invention, a kind of Internet of Things physical signal setting method, as shown in Fig. 2, including walking in detail below
It is rapid:
Each RU in single-tone signal is set setting quantity transmission duration by step S201.
Wherein, when transmission the subframe duration of a length of single-tone signal integral multiple.
The quantity of transmission duration in each RU is 2,4 or 8.
Such as: single-tone signal includes 3 RU, the when a length of 8ms of each RU；
2 transmission durations are set by each RU in single-tone signal；
Wherein, when transmission the subframe duration 2ms of a length of single-tone signal 2 times of 4ms.
Step S202 determines transmission according to the minimum frequency space between the subcarrier of transmission single-tone signal
The Subcarrier range of single-tone signal.
Wherein, Subcarrier range includes: the quantity of subcarrier and the frequency of each subcarrier.
Such as: according to the minimum frequency space 15kHz between the subcarrier of transmission single-tone signal, determine transmission
The Subcarrier range of single-tone signal.
Wherein, it is the frequency of 12 and each subcarrier that Subcarrier range, which includes: the quantity of subcarrier,；I-th subcarrier
Frequency be (X+15 × (i-1)) kHz, i ∈ [1,12].
Step S203 is carried according to the dispatch situation of subcarriers all in NB-IoT in the son of transmission single-tone signal
Within the scope of wave, it is to transmit the sub-carrier frequencies interval of single-tone signal in neighboring transmission duration in preset RU
The sub-carrier frequencies for transmitting single-tone signal in RU in any two neighboring transmission duration are set to set by limit
Value.
Wherein, in the case where subcarrier minimum frequency space is 15kHz, transmission in neighboring transmission duration in preset RU
The sub-carrier frequencies interval of single-tone signal is [90kHz, 165kHz]；
In the case where subcarrier minimum frequency space is 3.75kHz, transmission in neighboring transmission duration in preset RU
The sub-carrier frequencies interval of single-tone signal is [90kHz, 176.25kHz].
The sub-carrier frequencies interval of single-tone signal is transmitted in preset RU in neighboring transmission duration by having
The experiment of limit time or the emulation of limited times obtain.
Such as: according to the dispatch situation of subcarriers all in NB-IoT, in the subcarrier model of transmission single-tone signal
Enclose (for example, the quantity that Subcarrier range includes: subcarrier is 12, the frequency of i-th of subcarrier is (X+15 × (i-1)) kHz,
In i ∈ [1,12], the sub-carrier frequencies interval of single-tone signal is transmitted in preset RU in neighboring transmission duration 4ms
Range [90kHz, 165kHz] is limited, and will transmit the son of single-tone signal in RU in any two neighboring transmission duration 4ms
Carrier frequency separation is set as 90kHz.
Step S204 is carried according to the dispatch situation of subcarriers all in NB-IoT in the son of transmission single-tone signal
Within the scope of wave, it is to transmit the sub-carrier frequencies interval of single-tone signal in neighboring transmission duration in preset RU
Limit determines the sub-carrier frequencies of transmission single-tone signal in each transmission duration in RU.
The Subcarrier range for transmitting single-tone signal includes: the quantity of subcarrier and the frequency of each subcarrier.
The sub-carrier frequencies of i-th of transmission duration of any two RU in single-tone signal can be identical, can also
With not identical；Wherein, [1, M] i ∈；M is the sum of the transmission duration in RU.
The sub-carrier frequencies of j-th of transmission duration of any RU in single-tone signal transmit duration with k-th
Sub-carrier frequencies can be identical, can not also be identical；Wherein, [1, M] j ∈；k∈[1,M]；j≠k；When M is the transmission in RU
Long sum.
By frequency-hopping transmissions of the single-tone signal in different transmission durations, it can effectively enhance single-
The time domain autocorrelation of tone signal, the base station NB-IoT can be estimated according to the time domain autocorrelation of single-tone signal
When it is inclined.
A kind of single-tone letter that Internet of Things physical signal setting method generates described in first embodiment of the invention
Number it is different transmission durations in frequency patterns, with existing NB-PRACH (Physical Random Access Channel,
Physical Random Access Channel) an interior frequency pattern of symbol group (set of symbols) compare, every time transmit frequency hopping son carry
Wave is relatively fixed, it is easier to which MAC (Media Address Control, network interface physical address) layer plans as a whole scheduling；Simultaneously originally
The single-tone signal that a kind of Internet of Things physical signal setting method described in invention first embodiment generates is in different transmission
Frequency pattern in duration is more conducive to promotion receiving end frequency deviation and estimates for same subcarrier with the presence of more frequency pilot signs
The accuracy of meter and the accuracy of channel estimation.
Such as: according to the dispatch situation of subcarriers all in NB-IoT, in the subcarrier model of transmission single-tone signal
Enclose (for example, Subcarrier range includes: 12 subcarriers, the frequency of i-th of subcarrier be (X+15 × (i-1)) kHz, i ∈ [1,
12] in), to transmit the sub-carrier frequencies interval of single-tone signal in neighboring transmission duration in preset RU
[90kHz, 165kHz] is limited, and determines the subcarrier frequency of transmission single-tone signal in the first transmission duration 4ms in each RU
Rate is XkHz；The sub-carrier frequencies for determining transmission single-tone signal in the second transmission duration 4ms in each RU are (X+15
×6)kHz。
For another example: single-tone signal includes 3 RU, the when a length of 8ms of each RU；
2 transmission durations are set by each RU in single-tone signal；
Wherein, transmit duration when a length of single-tone signal subframe duration 2ms 2 times of 4ms.
According to the dispatch situation of subcarriers all in NB-IoT, in the Subcarrier range (example of transmission single-tone signal
Such as, Subcarrier range includes: 12 subcarriers, and the frequency of subcarrier is (X+15 × i) kHz, i ∈ [0,11]) in, with preset
RU in neighboring transmission duration the sub-carrier frequencies interval [90kHz, 165kHz] of transmission single-tone signal be
Limit determines that the sub-carrier frequencies of transmission single-tone signal in the first transmission duration 4ms in first RU are XkHz；It determines
The sub-carrier frequencies of transmission single-tone signal are (X+15 × 6) kHz in the second transmission duration 4ms in first RU；It determines
The sub-carrier frequencies of transmission single-tone signal are (X+15 × 6) kHz in the first transmission duration 4ms in second RU；It determines
The sub-carrier frequencies of transmission single-tone signal are XkHz in the second transmission duration 4ms in second RU；Determine third
The sub-carrier frequencies of transmission single-tone signal are XkHz in the first transmission duration 4ms in RU；It determines second in third RU
The sub-carrier frequencies for transmitting transmission single-tone signal in duration 4ms are (X+15 × 6) kHz.
A kind of Internet of Things physical signal setting method, can be sent by frequency hopping described in second embodiment of the invention
Single-tone signal, enable the base station NB-IoT estimate reverse link traffic channel when it is inclined, it is ensured that the base station NB-IoT
Feeding back uplink Timing Advance has been effectively ensured user equipment and has passed to sustained continuous under mobile context to user equipment in real time
Transmission of data effectively prevents the random access that user equipment initiates a new round；Single-tone signal is sent by frequency hopping, is had
Effect improves the ability of uplink single-tone signal transmission anti-multipath fading, it is suppressed that co-channel interference.
Third embodiment of the invention, the present embodiment be 15kHz with minimum frequency space on the basis of the above embodiments
Internet of Things single-tone signal frequency hopping setting method for, introduce an application example of the invention in conjunction with attached drawing 3.
Uplink single-tone signal occupies 3 RU, the when a length of 8ms of each RU in NB-IoT.
The transmission duration of frequency hopping in each RU is set 4ms by step S301, and the number of frequency hopping is set as N in each RU
=2.
Step S302 sets the sub-carrier indices of frequency hopping on each RU to
For the index of the subcarrier of k-th of subframe in each RU.K=0,1 ..., K-1, K=8 are for each RU
Shared sub-frame number.
The single-tone signal for being 15kHz by the experiment of limited times or the emulation minimum frequency space of limited times
RU in neighboring transmission duration the sub-carrier frequencies interval of transmission single-tone signal be L；Wherein, the value model of L
It encloses for [6 × 15kHz, 11 × 15kHz].
As shown in figure 3, sub-carrier indices of the UE0 in each RU
Sub-carrier indices of the UE1 in each RU
Fourth embodiment of the invention, the present embodiment are on the basis of the above embodiments, to be with minimum frequency space
For the Internet of Things single-tone signal frequency hopping setting method of 3.75kHz, an application of the invention is introduced in conjunction with attached drawing 4
Example.
Uplink single-tone signal occupies 2 RU, the when a length of 32ms of each RU in NB-IoT.
The transmission duration of frequency hopping in each RU is set 16ms by step S401, and the number of frequency hopping is set as N in each RU
=2.
Step S402 sets the sub-carrier indices of frequency hopping on each RU to
For the index of the subcarrier of k-th of subframe in each RU.K=0,1 ..., K-1, K=16 be each
Sub-frame number shared by RU.
Believed by the single-tone that the experiment of limited times or the emulation minimum frequency space of limited times are 3.75kHz
Number RU in neighboring transmission duration the sub-carrier frequencies interval of transmission single-tone signal be L；Wherein, the value of L
Range is [6 × 3.75kHz, 47 × 3.75kHz].
As shown in figure 4, sub-carrier indices of the UE0 in first RU
Sub-carrier indices of the UE0 in second RU
Sub-carrier indices of the UE1 in first RU
Sub-carrier indices of the UE1 in second RU
Fifth embodiment of the invention, a kind of computer readable storage medium.
Computer storage medium can be RAM memory, flash memory, ROM memory, eprom memory, EEPROM storage
Device, register, hard disk, mobile hard disk, CD-ROM or any other form known in the art storage medium.
Computer-readable recording medium storage has one or more program, one or more program can by one or
The multiple processors of person execute, with realize first embodiment of the invention into fourth embodiment of the invention in any embodiment part or
Overall Steps.
A kind of computer readable storage medium, computer-readable recording medium storage described in fifth embodiment of the invention have
One or more Internet of Things physical signal setting program can by frequency hopping send single-tone signal so that NB-
The base station IoT can estimate reverse link traffic channel when it is inclined, it is ensured that the base station NB-IoT feeding back uplink Timing Advance in real time
To user equipment, user equipment is effectively ensured and has transmitted data to sustained continuous under mobile context, has effectively prevented user and sets
Preparation plays the random access of a new round；Single-tone signal is sent by frequency hopping, effectively increases uplink single-tone
The ability of signal transmission anti-multipath fading, it is suppressed that co-channel interference.
Sixth embodiment of the invention, a kind of Internet of Things physical signal setting equipment, including consisting of part:
Processor 110 and memory 109.In some embodiments of the invention, these components can by bus or its
Its mode connects.
Processor 110 can be general processor, such as central processing unit (Central Processing Unit,
CPU), can also be digital signal processor (Digital Signal Processor, DSP), specific integrated circuit (English:
Application Specific Integrated Circuit, ASIC), or be arranged to implement the embodiment of the present invention
One or more integrated circuits.Wherein, memory is used to store the executable instruction of the processor；
Memory 109 is transferred to processor 110 for storing program code, and by the program code.Memory 109 can
To include volatile memory (Volatile Memory), such as random access memory (Random Access Memory,
RAM)；Memory 109 also may include nonvolatile memory (Non-Volatile Memory), such as read-only memory
(Read-Only Memory, ROM), flash memory (Flash Memory), hard disk (Hard Disk Drive, HDD) or solid
State hard disk (Solid-State Drive, SSD)；Memory 109 can also include the combination of the memory of mentioned kind.
Wherein, the program code management code that processor 110 is used to that the memory 109 to be called to store, executes the present invention
First embodiment into fourth embodiment of the invention in any embodiment part or Overall Steps.
A kind of Internet of Things physical signal setting equipment, can be sent by frequency hopping described in sixth embodiment of the invention
Single-tone signal, enable the base station NB-IoT estimate reverse link traffic channel when it is inclined, it is ensured that the base station NB-IoT
Feeding back uplink Timing Advance has been effectively ensured user equipment and has passed to sustained continuous under mobile context to user equipment in real time
Transmission of data effectively prevents the random access that user equipment initiates a new round；Single-tone signal is sent by frequency hopping, is had
Effect improves the ability of uplink single-tone signal transmission anti-multipath fading, it is suppressed that co-channel interference.
By the explanation of specific embodiment, the present invention can should be reached technological means that predetermined purpose is taken and
Effect is able to more deeply and specifically understand, however appended diagram is only to provide reference and description and is used, and is not used to this
Invention limits.
Claims (11)
1. a kind of Internet of Things physical signal setting method characterized by comprising
Setting quantity transmission duration is set by each resource unit RU in single sub-carrier single-tone signal；
According to the dispatch situation based on all subcarriers in cellular narrowband Internet of Things NB-IoT, the single- is being transmitted
In the Subcarrier range of tone signal, to transmit the single-tone signal in neighboring transmission duration in the preset RU
Sub-carrier frequencies interval be limited, determine in the RU transmission single-tone signal in each transmission duration
Sub-carrier frequencies.
2. the method according to claim 1, wherein being transmitted in each transmission duration in the determination RU
Before the sub-carrier frequencies of the single-tone signal, the method also includes:
According to the dispatch situation of subcarriers all in NB-IoT, in the Subcarrier range for transmitting the single-tone signal,
It is to transmit the sub-carrier frequencies interval of the single-tone signal in neighboring transmission duration in the preset RU
Limit, the sub-carrier frequencies interval for transmitting the single-tone signal in the RU in any two neighboring transmission duration is set
It is set to setting value.
3. method according to claim 1 or 2, which is characterized in that in the determination RU in each transmission duration
Before the sub-carrier frequencies for transmitting the single-tone signal, the method also includes:
According to the minimum frequency space between the subcarrier for transmitting the single-tone signal, determines and transmit the single-
The Subcarrier range of tone signal；Wherein, the Subcarrier range includes: the quantity and each sub- load of the subcarrier
The frequency of wave.
4. the method according to claim 1, wherein a length of single-tone signal when the transmission
The integral multiple of subframe duration.
5. method according to claim 1 or 4, which is characterized in that the quantity of the transmission duration is less than or equal to described
Sub-frame number in RU；
Alternatively, the quantity of the transmission duration is less than or equal to the number of timeslots in the RU.
6. equipment is arranged in a kind of Internet of Things physical signal, which is characterized in that the Internet of Things signal setting equipment includes: processor
And memory；
The processor is used to execute the program of the Internet of Things signal setting stored in memory, to perform the steps of
Setting quantity transmission duration is set by each resource unit RU in single sub-carrier single-tone signal；
According to the dispatch situation based on all subcarriers in cellular narrowband Internet of Things NB-IoT, the single- is being transmitted
In the Subcarrier range of tone signal, to transmit the single-tone signal in neighboring transmission duration in the preset RU
Sub-carrier frequencies interval be limited, determine in the RU transmission single-tone signal in each transmission duration
Sub-carrier frequencies.
7. equipment according to claim 6, which is characterized in that transmitted in each transmission duration in the determination RU
Before the sub-carrier frequencies of the single-tone signal, the processor is also used to execute the Internet of Things stored in memory
The program of signal setting, to perform the steps of
According to the dispatch situation of subcarriers all in NB-IoT, in the Subcarrier range for transmitting the single-tone signal,
It is to transmit the sub-carrier frequencies interval of the single-tone signal in neighboring transmission duration in the preset RU
Limit, the sub-carrier frequencies interval for transmitting the single-tone signal in the RU in any two neighboring transmission duration is set
It is set to setting value.
8. equipment according to claim 6 or 7, which is characterized in that in the determination RU in each transmission duration
Before the sub-carrier frequencies for transmitting the single-tone signal, the processor is also used to execute the object stored in memory
The program of networking signals setting, to perform the steps of
According to the minimum frequency space between the subcarrier for transmitting the single-tone signal, determines and transmit the single-
The Subcarrier range of tone signal；Wherein, the Subcarrier range includes: the quantity and each sub- load of the subcarrier
The frequency of wave.
9. equipment according to claim 6, which is characterized in that a length of single-tone signal when the transmission
The integral multiple of subframe duration.
10. equipment according to claim 6 or 9, which is characterized in that the quantity of the transmission duration is less than or equal to described
Sub-frame number in RU；
Alternatively, the quantity of the transmission duration is less than or equal to the number of timeslots in the RU.
11. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be executed by one or more processor, to realize in Claims 1 to 5
The step of any one Internet of Things signal setting method.
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| CN201710447904.2A CN109088708B (en) | 2017-06-14 | 2017-06-14 | Internet of things physical signal setting method and equipment and computer readable storage medium |
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| CN201710447904.2A CN109088708B (en) | 2017-06-14 | 2017-06-14 | Internet of things physical signal setting method and equipment and computer readable storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111294913A (en) * | 2020-02-10 | 2020-06-16 | 重庆物奇科技有限公司 | NB-IOT terminal chip narrowband uplink shared channel transmission power control method |
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| CN111294913A (en) * | 2020-02-10 | 2020-06-16 | 重庆物奇科技有限公司 | NB-IOT terminal chip narrowband uplink shared channel transmission power control method |
| CN111294913B (en) * | 2020-02-10 | 2022-11-15 | 重庆物奇科技有限公司 | NB-IOT terminal chip narrowband uplink shared channel transmission power control method |
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| CN109088708B (en) | 2022-07-19 |
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