CN106973434A - A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method - Google Patents
A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method Download PDFInfo
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- CN106973434A CN106973434A CN201710194800.5A CN201710194800A CN106973434A CN 106973434 A CN106973434 A CN 106973434A CN 201710194800 A CN201710194800 A CN 201710194800A CN 106973434 A CN106973434 A CN 106973434A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 238000001228 spectrum Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001174 ascending effect Effects 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 230000005059 dormancy Effects 0.000 claims description 8
- 238000012790 confirmation Methods 0.000 claims description 6
- 230000002860 competitive effect Effects 0.000 claims description 3
- 238000013468 resource allocation Methods 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/02—Hybrid access
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method, automatically select FDMA modes to send information to the super narrowband carrier of each terminal distribution using terminal.Terminal automatically selects concretely comprising the following steps for FDMA modes：1st, one section of upstream data. signals frequency range is resolved into many sub-channels；2nd, terminal automatically selects some son channels according to predetermined rule；3rd, detected whether that other terminals are entering row information transmission, if so, returning to previous step selects other channels, if not having, selected these subchannels to be sent to base station.Terminal automatically selects subchannel when the present invention sends data, due to the data for low rate that terminal is sent, does not require to meet synchronous on Time And Frequency between terminal and base station, therefore terminal can more neatly select subchannel according to the demand of oneself.And existing resource can be used to greatest extent using predetermined communication mode.
Description
Technical field
The present invention relates to the communications field, especially a kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method.
Background technology
With continuing to develop for the communication technology, interpersonal connection can not only be realized, the connection between thing and thing
Become increasingly prevalent.The 2G for the main still mobile operator of the communication technology that present Internet of Things is used, 3G network is used
2G, 3G network needs terminal to keep connected state at any time with base station, and this mode is not appropriate for Internet of Things, because the end of Internet of Things
Hold and need not constantly network, also without periodically turning on, terminal only just needs to network to carry out when needing to send data
Data transfer, using 2G, the service life that 3G network not only results in lane terminal battery is shorter, also results in 2G, the wave of 3G network
Take.In addition, existing frequency spectrum distribution base system is largely that base station is terminal distribution frequency spectrum, this distribution base system needs strict time
With/Frequency Synchronization, communication protocol is more complicated, and the frequency spectrum resource of existing mobile cellular network is more and more in short supply, is not
There is no frequency spectrum resource can use, but most availability of frequency spectrums are low.
The content of the invention
It is an object of the invention to solve the problem of prior art is present, there is provided on a kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things
Row transmission method；
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method, FDMA modes are automatically selected come to each using terminal
Terminal distribution super narrowband carrier sends information.
Further, the terminal automatically selects concretely comprising the following steps for FDMA modes：
Step S1, one section of upstream data. signals frequency range resolved into many sub-channels；
Step S2, terminal automatically select some son channels according to predetermined rule；
Step S3, detect whether that other terminals are sent entering row information, if so, select other channels, if not provided,
These subchannels are just selected to be sent to base station；
Step S4, judge subchannel send after base station whether reply confirmation signal；The terminal if confirmation signal is replied in base station
Into dormancy, the step step S2 is again introduced into if the subchannel is unavailable and carries out subsequent cycle.
Further, up to access including predetermined and contention access two ways, predetermined resource allocation is to specific whole
End, competitive resource is used for other terminals and carries out non-predetermined transmission.
Further, terminal retains the information of last time communication, if terminal does not disappear more in the time of distribution
Breath will be sent, the message before just sending.
Further, the predetermined rule in the step S2 is fixed subchannel distribution standard.
Further, the predetermined rule in the step S2 is the sequence pre-set.
Further, the random code that the predetermined rule in the step S2 produces for randomly or pseudo-randomly generator.
Further, judge that the whether available standard of the subchannel is in the step S4:One sub-channels carrying one
The data message that individual terminal is sent, as long as then the subchannel free time represents available to the terminal.
Further, judge that the whether available standard of the subchannel is in the step S4:The carrying of one sub-channels is more
The data message that individual terminal is sent, then frequency spectrum of the frequency spectrum less than the subchannel shared by each data message, multiple
The center transmission frequency difference of the terminal represents that the subchannel can use to the multiple terminal.
Further, a width of 5Hz to the 500Hz of the band of the subchannel.
Terminal automatically selects subchannel when sending data, due to the data for low rate that terminal is sent, does not require terminal
Meet synchronous on Time And Frequency between base station, therefore terminal can more neatly select son to believe according to the demand of oneself
Road.
The whether available back-signalling of subchannel is waited after terminal selection subchannel, on the one hand information can be avoided to touch
Hit, the information that terminal needs are sent on the other hand can be caused more effectively to send.
Terminal, which completes to send, is in dormancy after information, be battery energy-saving, does not send and successfully then further selects that letter can be carried
The subchannel of breath is transmitted.
Beneficial effects of the present invention are：The information that the terminal of Internet of Things is acquired and sent is often small information, data
Amount is general below 12 bytes, and the time interval of collection, also at 30 minutes to one week, is non-company because terminal sends information
Continuous property, it is not necessary to which terminal constantly networks, it is only necessary to which terminal networked during data transmission, and terminal is in when not sending data
Dormancy, the power needed during the terminal small information of transmission is smaller, and transmission rate is relatively low, is modulated using DBPSK, 100Hz bandwidth,
Transmission rate can reach 100bps, and this speed is that can reach the requirement of Internet of Things, can so cause terminal using flexible
The working time of battery reaches 5 years even 10 years.
Terminal automatically selects subchannel when sending data, due to the data for low rate that terminal is sent, does not require terminal
Meet synchronous on Time And Frequency between base station, therefore terminal can more neatly select son to believe according to the demand of oneself
Road.The whether available back-signalling of subchannel is waited after terminal selection subchannel, on the one hand information can be avoided to collide, separately
On the one hand the information that terminal needs are sent can be caused more effectively to send.Terminal, which completes to send, is in dormancy after information,
For battery energy-saving, do not send successfully then further selection can the subchannel of carrying information be transmitted.In the honeycomb of mobile communication
In network, almost all of communication is all to use competitive mode.Because unforeseen during all communication behaviors.But
It is in Internet of Things, to be anticipated that therefore, just there is the benefits of many using predetermined communication mode, almost during many communication
Existing resource can be used with 100%.Competition communication pattern can only use about 35% resource.Can be periodically by terminal
With base station communication, it is moved to different base stations and is adhered to, or from a base station attachment removal, base station can be made to determine this
Whether terminal is using.
Brief description of the drawings
Fig. 1 is method flow schematic diagram of the invention.
Embodiment
As shown in figure 1, a kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method, FDMA side is automatically selected using terminal
Formula to the super narrowband carrier of each terminal distribution sends information.
The terminal automatically selects concretely comprising the following steps for FDMA modes：
Step S1, one section of upstream data. signals frequency range resolved into many sub-channels；
Step S2, terminal automatically select some son channels according to predetermined rule；
Step S3, detect whether that other terminals are sent entering row information, if so, select other channels, if not provided,
These subchannels are just selected to be sent to base station；
Step S4, judge subchannel send after base station whether reply confirmation signal；The terminal if confirmation signal is replied in base station
Into dormancy, the step step S2 is again introduced into if the subchannel is unavailable and carries out subsequent cycle.
Up access includes predetermined and contention access two ways, and predetermined resource allocation gives specific terminal, competition money
Source is used for other terminals and carries out non-predetermined transmission.In the cellular network of mobile communication, almost all of communication is all using competing
Strive pattern.Because unforeseen during all communication behaviors.But, can be pre- during many communication in Internet of Things
Material, therefore, just there is the benefit of many using predetermined communication mode, almost can use existing resource with 100%.Competition communication
Pattern can only use about 35% resource.
Terminal retains the information of last time communication, if terminal does not have more message to send in the time of distribution,
Message before just sending.By terminal can periodically with base station communication, be moved to different base stations and adhered to, or
From a base station attachment removal, base station can be made to determine whether this terminal is using.
Predetermined rule in the step S2 is fixed subchannel distribution standard.
Predetermined rule in the step S2 is the sequence pre-set.
The random code that predetermined rule in the step S2 produces for randomly or pseudo-randomly generator.
The whether available standard of the subchannel is judged in the step S4 is:One sub-channels carry a terminal and sent
Data message, as long as then the subchannel free time represents available to the terminal.
The whether available standard of the subchannel is judged in the step S4 is:One sub-channels carry multiple terminals and sent
Data message, then the frequency spectrum shared by each data message be less than the frequency spectrum of the subchannel, multiple terminals
Center transmission frequency difference represents that the subchannel can use to the multiple terminal.
A width of 5Hz to the 500Hz of band of the subchannel.
The information that the terminal of Internet of Things is acquired and sent is often small information, data volume typically below 12 bytes,
The time interval of collection, also at 30 minutes to one week, is noncontinuity because terminal sends information, it is not necessary to which terminal is constantly
Networking, it is only necessary to which terminal networked during data transmission, terminal is in dormancy when not sending data, terminal sends small information
When the power that needs it is smaller, transmission rate is relatively low, is modulated using DBPSK, and 100Hz bandwidth, transmission rate can reach
100bps, this speed is that can reach the requirement of Internet of Things, can so cause terminal to be reached using the working time of flexible battery
Even 10 years by 5 years.
Terminal automatically selects subchannel when sending data, due to the data for low rate that terminal is sent, does not require terminal
Meet synchronous on Time And Frequency between base station, therefore terminal can more neatly select son to believe according to the demand of oneself
Road.The whether available back-signalling of subchannel is waited after terminal selection subchannel, on the one hand information can be avoided to collide, separately
On the one hand the information that terminal needs are sent can be caused more effectively to send.Terminal, which completes to send, is in dormancy after information,
For battery energy-saving, do not send successfully then further selection can the subchannel of carrying information be transmitted.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method, it is characterised in that FDMA side is automatically selected using terminal
Formula to the super narrowband carrier of each terminal distribution sends information.
2. broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to claim 1, it is characterised in that the terminal
Automatically select concretely comprising the following steps for FDMA modes：
Step S1, one section of upstream data. signals frequency range resolved into many sub-channels；
Step S2, terminal automatically select some son channels according to predetermined rule；
Step S3, detected whether other terminals entering row information send, if so, return previous step select other channels, such as
Fruit does not have, and just selects these subchannels to be sent to base station；
Step S4, judge subchannel send after base station whether reply confirmation signal；Terminal enters if confirmation signal is replied in base station
Dormancy, the step step S2 is again introduced into if the subchannel is unavailable and carries out subsequent cycle.
3. broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to claim 1, it is characterised in that up access
Including predetermined and contention access two ways, predetermined resource allocation gives specific terminal, and competitive resource enters for other terminals
Row non-predetermined is sent.
4. broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to claim 1, it is characterised in that terminal retains
The information of last time communication, if terminal does not have more message to send in the time of distribution, the message before just sending.
5. broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to claim 1, it is characterised in that the step
Predetermined rule in S2 is fixed subchannel distribution standard.
6. broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to claim 1, it is characterised in that the step
Predetermined rule in S2 is the sequence pre-set.
7. broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to claim 1, it is characterised in that the step
The random code that predetermined rule in S2 produces for randomly or pseudo-randomly generator.
8. the broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to any one of claim 1-7, its feature exists
In judging that the whether available standard of the subchannel is in the step S4:One sub-channels carry the number that a terminal is sent
It is believed that breath, as long as then the subchannel free time represents available to the terminal.
9. the broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to any one of claim 1-7, its feature exists
In judging that the whether available standard of the subchannel is in the step S4:One sub-channels carry the number that multiple terminals are sent
It is believed that breath, then frequency spectrum each shared by the data message is less than the frequency spectrum of the subchannel, the center of multiple terminals
Transmission frequency difference represents that the subchannel can use to the multiple terminal.
10. the broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method according to any one of claim 1-7, its feature exists
In a width of 5Hz to the 500Hz of band of the subchannel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710194800.5A CN106973434A (en) | 2017-03-29 | 2017-03-29 | A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method |
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| CN201710194800.5A CN106973434A (en) | 2017-03-29 | 2017-03-29 | A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method |
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| CN106973434A true CN106973434A (en) | 2017-07-21 |
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| CN201710194800.5A Pending CN106973434A (en) | 2017-03-29 | 2017-03-29 | A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things ascending transmission method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051902A (en) * | 2022-08-12 | 2022-09-13 | 华南师范大学 | Narrowband thing networking chip coding and decoding circuit |
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| CN105657845A (en) * | 2016-02-24 | 2016-06-08 | 余仪琳 | Vacant frequency spectrum Internet of things communication system and communication method thereof |
| CN105682235A (en) * | 2016-02-21 | 2016-06-15 | 武汉米风通信技术有限公司 | Uplink data stream transmission method based on ISM low-speed internet of things communication system |
| CN106992824A (en) * | 2017-03-20 | 2017-07-28 | 成都米风通信技术有限公司 | The white frequency spectrum detecting method of TV based on Internet of Things |
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2017
- 2017-03-29 CN CN201710194800.5A patent/CN106973434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188116A (en) * | 2015-08-13 | 2015-12-23 | 武汉米风通信技术有限公司 | Method for automatically selecting frequency spectrum to perform uplink access by terminal |
| CN105282690A (en) * | 2015-11-05 | 2016-01-27 | 武汉米风通信技术有限公司 | ISM low-speed Internet-of-things communication system and communication method thereof |
| CN105682235A (en) * | 2016-02-21 | 2016-06-15 | 武汉米风通信技术有限公司 | Uplink data stream transmission method based on ISM low-speed internet of things communication system |
| CN105657845A (en) * | 2016-02-24 | 2016-06-08 | 余仪琳 | Vacant frequency spectrum Internet of things communication system and communication method thereof |
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| CN115051902A (en) * | 2022-08-12 | 2022-09-13 | 华南师范大学 | Narrowband thing networking chip coding and decoding circuit |
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Application publication date: 20170721 |
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