CN108199744A - Messaging parameter indicating means, base station, communication means and user equipment - Google Patents
Messaging parameter indicating means, base station, communication means and user equipment Download PDFInfo
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- CN108199744A CN108199744A CN201810136665.3A CN201810136665A CN108199744A CN 108199744 A CN108199744 A CN 108199744A CN 201810136665 A CN201810136665 A CN 201810136665A CN 108199744 A CN108199744 A CN 108199744A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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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
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Abstract
The present invention proposes a kind of messaging parameter indicating means, base station, communication means and user equipment, wherein, messaging parameter indicating means includes：Publication carries the message of added bits, wherein, the added bits are corresponding with predefined parameter sets, the added bits are called to determine that corresponding parameter sets carry out data transmit-receive for getting the user equipment of the message.Technical scheme of the present invention with smaller information overhead, flexibly indicates sending methods of the NB IoT in unauthorized frequency range, improves the communication efficiency and covering power of unauthorized frequency range.
Description
【Technical field】
The present invention relates to field of communication technology more particularly to a kind of messaging parameter indicating means, base station, communication means and use
Family equipment.
【Background technology】
At present, as the demand of " all things on earth interconnection " is more and more, Internet of Things industry development has expedited the emergence of LPWA technologies (Low
Power Wide Area, low-power consumption wide area technology) rise so that in low-power consumption, low cost, wide covering, large capacity problem
There is preferable solution, LPWA technologies will certainly obtain the development space of bigger in Internet of Things market.
LPWA technologies mainly include the technologies such as the LoRA and Sigfox applied to unauthorized frequency range, wherein, LoRA is the U.S.
A kind of overlength distance wireless transmission scheme based on spread spectrum that Semtech companies use and promote, SIGFOX are then provided
One cellular network operator, Internet of Things and the M2M application for low data bulk provide the solution tailored.
In contrast, more further including for advantage is used for NB-IoT (the Narrow Band for authorizing frequency range in LPWA technologies
Internet of Things, based on cellular narrowband Internet of Things) technology, the technology is high with rate, covers remote advantage, but
It is that the auction of frequency range is authorized to need a large amount of fund, use cost is higher, and current NB-IoT technologies can be only applied to authorize
Frequency range.
Therefore, it is how that rate is high, remote NB-IoT technologies are covered applied to unauthorized frequency range, become urgently to be resolved hurrily at present
The technical issues of.
【Invention content】
An embodiment of the present invention provides a kind of messaging parameter indicating means, base station, communication means and user equipmenies, it is intended to solve
The technical issues of certainly NB-IoT technologies can not being applied to unauthorized frequency range in the relevant technologies.
In a first aspect, an embodiment of the present invention provides a kind of messaging parameter indicating means, including：Publication carries newly-increased ratio
Special message, wherein, the added bits are corresponding with predefined parameter sets, for getting the user equipment of the message
The added bits is called to determine that corresponding parameter sets carry out data transmit-receive.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, before the step of publication carries the message of added bits,
It further includes：Define the added bits and the corresponding parameter sets of the added bits.
In the above embodiment of the present invention, optionally, the definition added bits and the added bits are corresponding
Any one of the step of parameter sets, include the following steps：A bit is defined to indicate the frame structure and/or define a ratio
It refers in particular to show frequency hop sequences；Define frame structure and frequency hop sequences described in dibit joint instructions；It is limited with bit instruction is defined
The frame structure and frequency hop sequences of combination.
In the above embodiment of the present invention, optionally, the definition added bits and the added bits are corresponding
Any one of the step of parameter sets, include the following steps：The grouping information is defined, and is indicated according to the grouping information
Every group of channel number determine bit number needed for the available channel list；Or default packet information is obtained, and according to described
Every group of channel number of default packet information instruction determines the bit number needed for the available channel list；Or obtain default packet
Information, and the bit number according to needed for the default packet information determines the corresponding available channel list of different zones.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
It is optionally, described to issue the step of carrying the message of added bits in the above embodiment of the present invention, including：
The message of added bits is carried described in being sent on the frequency point of user equipment searches cell.
Second aspect, an embodiment of the present invention provides a kind of base station, including：News release module, publication carry newly-increased
The message of bit, wherein, the added bits are corresponding with predefined parameter sets, so that the user for getting the message sets
It is standby that the added bits is called to determine that corresponding parameter sets carry out data transmit-receive.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, definition module is further included, issue and carry in the news release module
Before having the message of added bits, the added bits and the corresponding parameter sets of the added bits are defined.
In the above embodiment of the present invention, optionally, the definition module is used for：It defines a bit and indicates the frame knot
One bit indicative of frequency hopping sequence of structure and/or definition；Or define frame structure and frequency hop sequences described in dibit joint instructions；Or
Define the frame structure and frequency hop sequences that bit instruction limits combination.
In the above embodiment of the present invention, optionally, the definition module is used for：Define the grouping information, and according to
Every group of channel number of the grouping information instruction determines the bit number needed for the available channel list；Or obtain default packet
Information, and the bit according to needed for every group of channel number that the default packet information indicates determines the available channel list
Number；Or default packet information is obtained, and the corresponding available channel list institute of different zones is determined according to the default packet information
The bit number needed.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
In the above embodiment of the present invention, optionally, the news release module is used for：In user equipment searches cell
The message of added bits is carried described in being sent on frequency point.
The third aspect, an embodiment of the present invention provides a kind of communication means, including：Obtain the message of base station publication；According to
The added bits that the message carries, determine the parameter sets corresponding to the added bits；According to the parameter sets, carry out
Data transmit-receive.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
Fourth aspect, an embodiment of the present invention provides a kind of user equipment, including：Message capturing module obtains base station hair
The message of cloth；Parameter sets determining module according to the added bits that the message carries, is determined corresponding to the added bits
Parameter sets；Data transmit-receive module according to the parameter sets, carries out data transmit-receive.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
5th aspect, an embodiment of the present invention provides a kind of messaging parameter indicating means, including：Publication carries predetermined category
The message of property information, wherein, the predetermined attribute information is corresponding with predefined parameter sets, for getting the message
User equipment calls the corresponding parameter sets of the predetermined attribute information to carry out data transmit-receive.
In the above embodiment of the present invention, optionally, the predetermined attribute information is frequency related information, including initially connecing
Enter frequency point, band information or absolute frequency point number.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, before the step of publication carries the message of added bits,
It further includes：The predetermined attribute information and the corresponding parameter sets of the predetermined attribute information are set.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
It is optionally, described to issue the step of carrying the message of added bits in the above embodiment of the present invention, including：
The message is sent on the frequency point of user equipment searches cell.
It is optionally, described to issue the step of carrying the message of added bits in the above embodiment of the present invention, including：
The band information is broadcasted in SIB1 and broadcasts the absolute frequency point number in SIB2.
6th aspect, an embodiment of the present invention provides a kind of base station, including：News release module, publication carry predetermined
The message of attribute information, wherein, the predetermined attribute information is corresponding with predefined parameter sets, for getting the message
User equipment the corresponding parameter sets of the predetermined attribute information is called to carry out data transmit-receive.
In the above embodiment of the present invention, optionally, the predetermined attribute information is frequency related information, including initially connecing
Enter frequency point, band information or absolute frequency point number.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, further include：Predefined module, is issued in the news release module
Before the message for carrying predetermined attribute information, the predetermined attribute information and the corresponding parameter of the predetermined attribute information are set
Set.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
In the above embodiment of the present invention, optionally, the news release module is used for：In user equipment searches cell
The message is sent on frequency point.
In the above embodiment of the present invention, optionally, the news release module is used for：The frequency band letter is broadcasted in SIB1
It ceases and broadcasts the absolute frequency point number in SIB2.
7th aspect, an embodiment of the present invention provides a kind of communication means, including：Obtain the message of base station publication；According to
The predetermined attribute information that the message carries, determines the corresponding parameter sets of the predetermined attribute information；According to the parameter set
It closes, carries out data transmit-receive.
In the above embodiment of the present invention, optionally, the predetermined attribute information is frequency related information, including initially connecing
Enter frequency point, band information or absolute frequency point number.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
Eighth aspect, an embodiment of the present invention provides a kind of user equipment, including：Message capturing module obtains base station hair
The message of cloth；Parameter sets determining module according to the predetermined attribute information that the message carries, determines the predetermined attribute information
Corresponding parameter sets；Data transmit-receive module according to the parameter sets, carries out data transmit-receive.
In the above embodiment of the present invention, optionally, the predetermined attribute information is frequency related information, including initially connecing
Enter frequency point, band information or absolute frequency point number.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
9th aspect, an embodiment of the present invention provides a kind of base station, including：Processor, memory and input and output connect
Mouthful；It is configured with computer readable storage medium in the memory, the processor can call described computer-readable deposit
Storage media to control the input/output interface, wherein, the processor be used for by the input/output interface perform as above
It states method flow described in any one of first aspect and/or performs method stream as described in any one of in terms of the above-mentioned 5th
Journey.
Tenth aspect, an embodiment of the present invention provides a kind of user equipment, including：Processor, memory and input are defeated
Outgoing interface；Computer readable storage medium is configured in the memory, the processor can call the computer can
Storage medium is read to control the input/output interface, wherein, the processor is used to perform by the input/output interface
Method flow as described in any one of above-mentioned third aspect and/or perform method as described in any one of in terms of the above-mentioned 7th
Flow.
By above technical scheme, for the skill that NB-IoT technologies can not be applied to unauthorized frequency range in the relevant technologies
Art problem with smaller information overhead, flexibly indicates the method in unauthorized frequency range application NB-IoT technologies.
Specifically, added bits and the corresponding parameter sets of added bits need to be predefined in base station side, parameter sets can
Type and frequency hop sequences including frame structure, frame structure generally comprise DM (Digital Modulation, digital modulation) and
Two kinds of FHSS (Frequency- frequency hopping Spread Spectrum, frequency hopping) such as can define the corresponding parameter set of added bits
It is combined into the DM frame structures using the first frequency hop sequences.
The added bits are carried in the message of base station publication, in this way, after user equipment receives message, it can be according to message
In added bits directly determine corresponding parameter sets, can such as get the corresponding parameter sets of added bits as the first frequency hopping
The DM frame structures of sequence, and then, the parameter sets can be used to carry out data transmit-receive for user equipment.
Alternatively, can also parameter set directly be indicated by existing predetermined attribute information in the message of base station publication
It closes, in this way, after user equipment receives message, can corresponding parameter set directly be determined according to the predetermined attribute information in message
It closes, can such as get the DM frame structures that the corresponding parameter sets of predetermined attribute information are the first frequency hop sequences, and then, user equipment
The parameter sets can be used to carry out data transmit-receive.
By technical scheme of the present invention, with smaller information overhead, flexibly indicate NB-IoT in unauthorized frequency range
Sending method improves the communication efficiency and covering power of unauthorized frequency range.
【Description of the drawings】
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 shows the flow chart of the messaging parameter indicating means of one embodiment of the present of invention；
Fig. 2 shows the flow charts of the communication means of one embodiment of the present of invention；
Fig. 3 shows the block diagram of the base station of one embodiment of the present of invention；
Fig. 4 shows the block diagram of the user equipment of one embodiment of the present of invention；
Fig. 5 shows the flow chart of the messaging parameter indicating means of an alternative embodiment of the invention；
Fig. 6 shows the flow chart of the communication means of an alternative embodiment of the invention；
Fig. 7 shows the block diagram of the base station of an alternative embodiment of the invention；
Fig. 8 shows the block diagram of the user equipment of an alternative embodiment of the invention.
【Specific embodiment】
For a better understanding of the technical solution of the present invention, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
It states.
It will be appreciated that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only merely for the purpose of description specific embodiment, and is not intended to be limiting
The present invention.In the embodiment of the present invention and " one kind " of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other meanings.
Fig. 1 shows the flow chart of the messaging parameter indicating means of one embodiment of the present of invention.
As shown in Figure 1, the messaging parameter indicating means of one embodiment of the present of invention, including：
Step 102, publication carries the message of added bits, wherein, the added bits are corresponding with predefined parameter
Set calls the added bits to determine that corresponding parameter sets carry out data receipts for getting the user equipment of the message
Hair.
Fig. 2 shows the flow charts of the communication means of one embodiment of the present of invention.
As shown in Fig. 2, communication means provided in an embodiment of the present invention, including
Step 202, the message of base station publication is obtained.
Step 204, the added bits carried according to the message, determine the parameter sets corresponding to the added bits.
Step 206, according to the parameter sets, data transmit-receive is carried out.
With reference to shown in Fig. 1 and Fig. 2, the message includes synchronization message and/or system broadcast message, wherein, synchronization message
Including PSS (primary synchronization signal) or SSS (secondary synchronization signal).System broadcast message, including MIB (primary system information module),
SIB-A, SIB-1, SIB-2 or other SI.
With reference to shown in Fig. 1 and Fig. 2, added bits and the corresponding parameter sets of added bits need to be predefined in base station side, joined
Manifold closes the type and frequency hop sequences that may include frame structure, and frame structure generally comprises DM (Digital Modulation, number
Word is modulated) and two kinds of FHSS (Frequency-Hopping frequency hopping Spread Spectrum, frequency hopping), frequency hop sequences can be with
It is the first frequency hop sequences and the second frequency hop sequences, such as can define the DM that the corresponding parameter sets of added bits are the first frequency hop sequences
Frame structure.
Wherein, the first frequency hop sequences can be orderly, the second frequency hop sequences can be it is unordered, certainly, the first frequency hop sequences
Include but not limited to such situation with the second frequency hop sequences.
The added bits are carried in the message of base station publication, in this way, after user equipment receives message, it can be according to message
In added bits directly determine corresponding parameter sets, can such as get the corresponding parameter sets of added bits as the first frequency hopping
The DM frame structures of sequence, and then, the parameter sets can be used to carry out data transmit-receive for user equipment.
By technical scheme of the present invention, with smaller information overhead, flexibly indicate NB-IoT in unauthorized frequency range
Sending method improves the communication efficiency and covering power of unauthorized frequency range.
This scheme can be considered explicit instruction mode, i.e., parameter sets are directly corresponded to added bits is configured, in this hair
In a kind of bright realization method, the parameter sets include frame structure, frequency hop sequences, channel group information and available channel list
In it is one or more, that is to say, that can be by one in frame structure, frequency hop sequences, channel group information and available channel list
Item or multinomial carry out explicit instruction.
In a kind of realization method of the present invention, before step 102, further include：Define added bits and described
The corresponding parameter sets of added bits.Wherein, it is described below to be specifically defined mode.
It is described to define the added bits and the corresponding parameter of the added bits in a kind of realization method of the present invention
Any one of the step of set, include the following steps：It defines a bit and indicates that the frame structure and/or one ratio of definition refer in particular to
Show frequency hop sequences；Define frame structure and frequency hop sequences described in dibit joint instructions；Combination is limited with bit instruction is defined
The frame structure and frequency hop sequences.
It is described to define the added bits and the corresponding parameter of the added bits in a kind of realization method of the present invention
Any one of the step of set, include the following steps：The grouping information is defined, and according to the every of grouping information instruction
Group channel number determines the bit number needed for the available channel list；Or default packet information is obtained, and according to the acquiescence
Every group of channel number of grouping information instruction determines the bit number needed for the available channel list；Or obtain default packet letter
Breath, and the bit number according to needed for the default packet information determines the corresponding available channel list of different zones.
In a kind of realization method of the present invention, step 102 includes：Institute is sent on the frequency point of user equipment searches cell
State the message for carrying added bits.
Above-mentioned technical proposal is described further below by specific embodiment.
Embodiment one
This embodiment one shows the realization method that explicit instruction is carried out to frame structure and/or frequency hop sequences.
First, the corresponding parameter sets of difference bit information in added bits are defined in base station, base station passes through added bits
Indicate corresponding parameter sets, which can carry in synchronization message or in system broadcast message, it is preferred that can be with
It searches on the frequency point of cell and sends in user.
Then, terminal receives the instruction of the added bits, can obtain corresponding parameter sets, and carry out data receipts
Hair.
Wherein, in a kind of realization method of the present invention, different information absolute codings can be used in definable added bits
Mode, if necessary to distinguish frame structure, definable 1bit is used to indicate frame structure information, such as shown in the following table 1.
Table 1
| Definition | Frame structure |
| ‘0’ | DM |
| ‘1’ | FHSS |
If necessary to distinguish frequency hopping, such as shown in the following table 2, definable 1bit is used to indicate hopping sequence information.Wherein,
One frequency hop sequences can be it is orderly, the second frequency hop sequences can be it is unordered, certainly, the first frequency hop sequences and the second frequency hop sequences packet
It includes but not limited to this kind situation.
Table 2
| Definition | Frequency hop sequences |
| ‘0’ | First frequency hop sequences |
| ‘1’ | Second frequency hop sequences |
In another realization method of the present invention, the mode of different information consolidation codings, such as the following table 3 institute can be used
Show, definable 2bit is used to indicate frame structure and frequency hop sequences.Wherein, the first frequency hop sequences can be orderly, the second frequency hopping sequence
Row can be unordered, and certainly, the first frequency hop sequences and the second frequency hop sequences include but not limited to such situation.
Table 3
| Definition | Frame structure and frequency hop sequences |
| ‘00’ | The DM of first frequency hop sequences |
| ‘01’ | The DM of second frequency hop sequences |
| ‘10’ | The FHSS of first frequency hop sequences |
| ‘11’ | The FHSS of second frequency hop sequences |
It in another realization method of the present invention, can be combined by limiting, such as shown in the following table 4, frame is indicated with 1bit
Structure and tone hopping information.Wherein, the first frequency hop sequences can be orderly, and the second frequency hop sequences can be unordered, and certainly, first jumps
Frequency sequence and the second frequency hop sequences include but not limited to such situation.
Table 4
| Definition | Frame structure and frequency hop sequences |
| ‘0’ | The DM of first frequency hop sequences |
| ‘1’ | The FHSS of first frequency hop sequences |
Alternatively, limit combination or it is as shown in table 5 below.Wherein, the first frequency hop sequences can be orderly, the second frequency hopping sequence
Row can be unordered, and certainly, the first frequency hop sequences and the second frequency hop sequences include but not limited to such situation.
Table 5
| Definition | Frame structure and frequency hop sequences |
| ‘0’ | The DM of second frequency hop sequences |
| ‘1’ | The FHSS of first frequency hop sequences |
It needs to know, in a kind of realization method of embodiment one, can frame structure only be indicated by explicit instruction mode, and
Frequency hop sequences, channel group information and available channel list are all using implicit instruction mode.
In a kind of realization method of embodiment one, frame structure can be indicated by explicit instruction mode, and frequency hop sequences, letter
For one or two of road grouping information and available channel list by the way of indicating mode, residual term uses implicit instruction side
Formula.
In a kind of realization method of embodiment one, frame structure can be indicated by implicit instruction mode, and frequency hop sequences, letter
Road grouping information and available channel list use implicit instruction mode.
In a kind of realization method of embodiment one, can only by explicit instruction mode indicative of frequency hopping sequence, and frame structure,
Channel group information and available channel list are all using implicit instruction mode.
, can be by explicit instruction mode indicative of frequency hopping sequence in a kind of realization method of embodiment one, and frame structure, letter
For one or two of road grouping information and available channel list by the way of indicating mode, residual term uses implicit instruction side
Formula.
In a kind of realization method of embodiment one, it can be believed by implicit instruction mode indicative of frequency hopping sequence, channel packet
Breath and available channel list use implicit instruction mode.
Embodiment two
This embodiment two shows the realization side that explicit instruction is carried out to channel group information and/or available channel list
Formula.
First, system defines different channel group informations and/or available channel list and its corresponding parameter combination.
Then, the base station publication message such as synchronization message or system broadcast message, and indicate that channel packet is believed in the message
Breath and/or available channel list, it is preferred that can be searched on the frequency point of cell in user and send message.
When user equipment receives the instruction, corresponding parameter sets can be obtained, and carry out data transmit-receive.
It, can be by channel group information (regular length) and available channel list (root in a kind of realization method of the present invention
According to channel group information variable-length) coding, wherein, channel group information, which refers to x channel being mapped on 1bit, to be referred to
Show, available channel list includes but not limited to tabular form, and it includes N number of bit, indicate which channel group is available frequency hopping
Frequency point.
By taking Chinese frequency point as an example, a total of 40MHz bandwidth of 470-510MHz, each channel occupancy 200KHz, then in the frequency
Section is up to 200 channels, therefore is described in table 6 below, and can define 2bits channel group informations.
Table 6
| Definition | The channel quantity being each grouped |
| ‘00’ | The channel quantity of first channel packet is 1 |
| ‘01’ | The channel quantity of second channel grouping is 2 |
| ‘10’ | The channel quantity of third channel packet is 4 |
| ‘11’ | The channel quantity of 4th channel packet is 8 |
When channel group information is designated as ' 10 ', then it represents that 4 channels are divided into one group, using third channel packet conduct
Packet mode, for example, channel 1 ..., 4 be the 1st group, 5 ..., 8 be the 2nd group, then 200 channels are divided into 50 groups.It is corresponding can
Bitmap (bitmap file) mode may be used with channel list to be indicated, length 50bits, each bit represent the group
Channel whether in frequency hopping frequency point, if it is indicated that for 1, then the corresponding frequency point of the 4 of the group channel in frequency hopping frequency point, if
0 is designated as, then channel corresponding frequency point in the 4 of the group is not in frequency hopping frequency point.It is wrapped if system wishes to be configured in frequency hopping frequency point
The frequency point of 16 channels is included, then there are 41 in the bit of the 50 of available channel list, remaining is 0.Available channel list can also root
Wish the frequency point that frequency hopping frequency point includes 16 channels is configured according to permutation and combination compression bit, such as system, then 50 groups of channels
In only can select 4 groups, then 230300 kinds of combinations are shared according to permutation and combination, available channel list can be indicated with 18bits.
When channel group information is designated as ' 11 ', then it represents that 8 channels are divided into one group, using the 4th channel packet conduct
Packet mode, for example, channel 1 ..., 8 be the 1st group, 9 ..., 16 be the 2nd group, then 200 channels are divided into 25 groups.It is corresponding can
Bitmap modes may be used with channel list to be referred to, length 25bits, each bit represent whether the channel of the group is jumping
Again and again in point, if it is indicated that for 1, then channel corresponding frequency point in the 8 of the group is in frequency hopping frequency point, if it is indicated that be 0, then the group
The corresponding frequency point of 8 channels not in frequency hopping frequency point.If system wishes that frequency hopping frequency point, which is configured, includes 16 channels
Frequency point then has 21 in the bit of the 25 of available channel list, remaining is 0.Available channel list can also be according to permutation and combination pressure
Contracting bit, such as system wish the frequency point that frequency hopping frequency point includes 16 channels is configured, then only can select 2 in 25 groups of channels
Group then shares 300 kinds of combinations according to permutation and combination, available channel list can be indicated with 9bits.
It needs to know, aforesaid way can also be applied for the frequency point of other countries.
In another realization method of the present invention, default channel grouping information can be given, determines the available of regular length
Channel list.For example, according to the regulation in China, the U.S. and Europe, since European channels are minimum, so default packet is 2
1 group of channel, then in order to indicate Chinese situation, then corresponding available channel list may be used bitmap modes and be indicated, long
It spends for 100bits.
In another realization method of the present invention, default channel grouping information is given, by defining multiple IE instructions not
With the available channel list in region.For example, default channel grouping information is divided into 1 group for 2 channels, it is as shown in table 7 below, for
It is 9bits that European situation, which defines the first available channel list, totally 18 channels, and the second available channel row are defined for U.S.'s situation
Table is 65bits, totally 130 channels, defines third available channel list as 100bits for Chinese situation, totally 200 channels,
When being communicated in the U.S., the second available channel list of its added bits instruction in the message of base station publication, and the first of Europe
Available channel list and the third available channel list of China are then sky.Further, user equipment can disappear according to what is received
Breath determines the second available channel list of added bits instruction, to carry out data receipts by the channel in the second available channel list
Send out work.
It determines the determining corresponding 65bits of second available channel list, and totally 130 is determined according to default channel grouping information
A channel.
Table 7
| Region | Available channel list |
| Europe | Length is the first available channel list of 9bits |
| The U.S. | The second available channel list that length is 65bits is |
| China | Length is the third available channel list of 100bits |
It needs to know, in a kind of realization method of embodiment two, can channel packet only be indicated by explicit instruction mode
Information, and frequency hop sequences, frame structure and available channel list are all using implicit instruction mode.
In a kind of realization method of embodiment two, channel group information can be indicated by explicit instruction mode, and frequency hopping
Sequence, one or two of frame structure and available channel list by the way of indicating mode, residual term uses implicit instruction side
Formula.
In a kind of realization method of embodiment two, channel group information can be indicated by implicit instruction mode, and frequency hopping
Sequence, frame structure and available channel list use implicit instruction mode.
In a kind of realization method of embodiment two, can available channel list only be indicated by explicit instruction mode, and frame
Structure, channel group information and frequency hop sequences are all using implicit instruction mode.
In a kind of realization method of embodiment two, available channel list can be indicated by explicit instruction mode, and frame knot
Structure, one or two of channel group information and frequency hop sequences by the way of indicating mode, residual term uses implicit instruction side
Formula.
In a kind of realization method of embodiment two, available channel list, channel point can be indicated by implicit instruction mode
Group information and frequency hop sequences use implicit instruction mode.
Fig. 3 shows the block diagram of the base station of one embodiment of the present of invention.
As shown in figure 3, an embodiment of the present invention provides a kind of base station 300, including：News release module 302, publication is taken
Message with added bits, wherein, the added bits are corresponding with predefined parameter sets, for getting the message
User equipment the added bits is called to determine that corresponding parameter sets carry out data transmit-receive.
Therefore the base station 300, has above-mentioned all technique effects, herein using the messaging parameter indicating means shown in Fig. 1
It repeats no more.Base station 300 also has following technical characteristic：
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, definition module is further included, issued in the news release module 302
Before the message for carrying added bits, the added bits and the corresponding parameter sets of the added bits are defined.
In the above embodiment of the present invention, optionally, the definition module is used for：It defines a bit and indicates the frame knot
One bit indicative of frequency hopping sequence of structure and/or definition；Or define frame structure and frequency hop sequences described in dibit joint instructions；Or
Define the frame structure and frequency hop sequences that bit instruction limits combination.
In the above embodiment of the present invention, optionally, the definition module is used for：Define the grouping information, and according to
Every group of channel number of the grouping information instruction determines the bit number needed for the available channel list；Or obtain default packet
Information, and the bit according to needed for every group of channel number that the default packet information indicates determines the available channel list
Number；Or default packet information is obtained, and the corresponding available channel list institute of different zones is determined according to the default packet information
The bit number needed.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
In the above embodiment of the present invention, optionally, the news release module 302 is used for：It is small in user equipment searches
The message of added bits is carried described in being sent on the frequency point in area.
Fig. 4 shows the block diagram of the user equipment of one embodiment of the present of invention.
As shown in figure 4, an embodiment of the present invention provides a kind of user equipment 400, including：Message capturing module 402 obtains
The message of base station publication；Parameter sets determining module 404 according to the added bits that the message carries, determines the newly-increased ratio
Parameter sets corresponding to spy；Data transmit-receive module 406 according to the parameter sets, carries out data transmit-receive.
The user equipment 400 using Fig. 2 shows communication means, therefore, have above-mentioned all technique effects, herein no longer
It repeats.User equipment 400 also has following technical characteristic：
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
Fig. 5 shows the flow chart of the messaging parameter indicating means of an alternative embodiment of the invention.
As shown in figure 5, the messaging parameter indicating means includes：
Step 502, publication carries the message of predetermined attribute information, wherein, the predetermined attribute information is corresponding with predetermined
The parameter sets of justice call the corresponding parameter set of the predetermined attribute information for getting the user equipment of the message
It closes and carries out data transmit-receive.
Fig. 6 shows the flow chart of the communication means of an alternative embodiment of the invention.
As shown in fig. 6, the communication means includes：
Step 602, the message of base station publication is obtained.
Step 604, the predetermined attribute information carried according to the message, determines the corresponding parameter of the predetermined attribute information
Set.
Step 606, according to the parameter sets, data transmit-receive is carried out.
With reference to shown in Fig. 5 and Fig. 6, the message includes synchronization message and/or system broadcast message, wherein, synchronization message
Including PSS (primary synchronization signal) or SSS (secondary synchronization signal).System broadcast message, including MIB (primary system information module),
SIB-A, SIB-1, SIB-2 or other SI.
With reference to shown in Fig. 5 and Fig. 6, can directly it be referred in the message of base station publication by existing predetermined attribute information
Show parameter sets, in this way, after user equipment receives message, can directly be determined according to the predetermined attribute information in message corresponding
Parameter sets can such as get the DM frame structures that the corresponding parameter sets of predetermined attribute information are orderly frequency hop sequences, and then, it uses
The parameter sets can be used to carry out data transmit-receive for family equipment.
By technical scheme of the present invention, with smaller information overhead, flexibly indicate NB-IoT in unauthorized frequency range
Sending method improves the communication efficiency and covering power of unauthorized frequency range.
This scheme can be considered implicit instruction mode, i.e., parameter sets are directly corresponded to existing predetermined attribute information in message
It is configured, which includes but not limited to initial access frequency point, band information or absolute frequency point number.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list, that is to say, that can by frame structure, frequency hop sequences, channel group information and
One or more carry out implicit instructions in available channel list.
In the above embodiment of the present invention, optionally, before step 502, further include：The predetermined attribute information is set
Parameter sets corresponding with the predetermined attribute information.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
It is optionally, described to issue the step of carrying the message of added bits in the above embodiment of the present invention, including：
The message is sent on the frequency point of user equipment searches cell.
It is optionally, described to issue the step of carrying the message of added bits in the above embodiment of the present invention, including：
The band information is broadcasted in SIB1 and broadcasts the absolute frequency point number in SIB2.
Above-mentioned technical proposal is described further below by specific embodiment.
Embodiment three
This embodiment three shows the realization method that implicit instruction is carried out to frame structure and/or frequency hop sequences.
Specifically, initial access frequency point, band information or absolute frequency point number implicit instruction frame structure and/or jump can be passed through
Frequency sequence, certainly, the other content other than frame structure and/or frequency hop sequences, can also carry out it is hidden show instruction or can be by above-mentioned reality
The explicit instruction mode for applying example one and two is indicated.
For by initial access frequency point, band information or absolute frequency point number implicit instruction frame structure and/or frequency hop sequences,
First, the system of base station side define different frame structures and/or the corresponding initial access frequency point of frequency hop sequences, band information or
Absolute frequency point number.
Then, base station sends message, which carries initial access frequency point, band information or absolute frequency point number.
In this way, user equipment can determine corresponding parameter by initial access frequency point, band information or absolute frequency point number
Set, that is, determine corresponding frame structure and/or frequency hop sequences, meanwhile, other ginsengs can be also obtained by explicit instruction mode
Manifold is closed, and finally realizes data transmit-receive.
It is as shown in table 8 below to define the frequency point citing for sending synchronizing information, different synchronizations is defined to different frame structures
Channel frequency point, when user equipment initial ranging channel, if the frequency point searched out is Y2, terminal knows that the frame structure of system is
DM FS, user equipment can know the first frequency hop sequences of frequency hop sequences or the second frequency hopping by demodulating the tone hopping information of 1bit
Sequence.For another example, when user equipment initial ranging channel, if the frequency point searched out is Z2, user equipment knows system
Frame structure is DM FS in CN.
Table 8
It is of course also possible to according to the different information of the time location implicit instruction of synchronous sequence.For example, if PSS is in SSS
Before, represent that frame structure is DM, if PSS is after SSS, then it represents that frame structure FHSS.
When limiting combination, all information can be notified by implicit instruction.
It needs to know, in a kind of realization method of embodiment three, can frame structure only be indicated by implicit instruction mode, and
Frequency hop sequences, channel group information and available channel list are all using explicit instruction mode.
In a kind of realization method of embodiment three, frame structure can be indicated by implicit instruction mode, and frequency hop sequences, letter
One or the hidden mode for showing mode of two uses of road grouping information and available channel list, residual term use explicit instruction side
Formula.
In a kind of realization method of embodiment three, frame structure can be indicated by implicit instruction mode, and frequency hop sequences, letter
Road grouping information and available channel list use explicit instruction mode.
In a kind of realization method of embodiment three, can only by implicit instruction mode indicative of frequency hopping sequence, and frame structure,
Channel group information and available channel list are all using explicit instruction mode.
, can be by implicit instruction mode indicative of frequency hopping sequence in a kind of realization method of embodiment three, and frame structure, letter
One or the hidden mode for showing mode of two uses of road grouping information and available channel list, residual term use explicit instruction side
Formula.
In a kind of realization method of embodiment three, it can be believed by implicit instruction mode indicative of frequency hopping sequence, channel packet
Breath and available channel list use explicit instruction mode.
Example IV
This example IV shows the realization side that implicit instruction is carried out to channel group information and/or available channel list
Formula.
In a kind of realization method of example IV, default packet information can be given, variable length is provided according to frequency information
The available channel list instruction of degree.
For example, default packet information is divided into 1 group for 2 channels, equipment application region can be distinguished according to frequency information,
The length of the available channel list is calculated according to region, for example, frequency information is Europe, then available channel list length is
9bits, frequency information are the U.S., then the length of available channel list is 65bits, and frequency information is China, then available channel arranges
The length of table is 100bits, it is of course also possible to use permutation and combination method, reduces the length of available channel list.
In another realization method of example IV, grouping information, the available letter of regular length can be provided according to frequency
Road list indicates different frequency hopping frequency point numbers.
According to frequency information, the grouping information of different zones is determined, for example, it is as shown in table 9 below, first applied to Europe
In grouping information, 1 channel is 1 group, and applied in the second packet information in the U.S., 4 channels are 1 group, applied to China
In third grouping information, 8 channels are 1 group, meanwhile, available channel list length is set as 32bits, then the regular length
Available channel list can indicate different frequency hopping frequency point numbers.
Table 9
| Region | Grouping information |
| Europe | The first grouping information that 1 channel is 1 |
| The U.S. | The second packet information that 4 channels are 1 group |
| China | The third grouping information that 8 channels are 1 group |
It needs to know, in a kind of realization method of embodiment three, can channel packet only be indicated by implicit instruction mode
Information, and frequency hop sequences, frame structure and available channel list are all using explicit instruction mode.
In a kind of realization method of embodiment three, channel group information can be indicated by implicit instruction mode, and frequency hopping
One or the hidden mode for showing mode of two uses of sequence, frame structure and available channel list, residual term use explicit instruction side
Formula.
In a kind of realization method of embodiment three, channel group information can be indicated by implicit instruction mode, and frequency hopping
Sequence, frame structure and available channel list use implicit instruction mode.
In a kind of realization method of embodiment three, can available channel list only be indicated by implicit instruction mode, and frame
Structure, frequency hop sequences and channel group information are all using explicit instruction mode.
In a kind of realization method of embodiment three, available channel list can be indicated by implicit instruction mode, and frame knot
One or the hidden mode for showing mode of two uses of structure, frequency hop sequences and channel group information, residual term use explicit instruction side
Formula.
In a kind of realization method of embodiment three, available channel list can be indicated by implicit instruction mode, frame structure,
Frequency hop sequences and channel group information use implicit instruction mode.
Fig. 7 shows the block diagram of the base station of an alternative embodiment of the invention.
As shown in fig. 7, an embodiment of the present invention provides a kind of base station 700, including：News release module 702, publication is taken
Message with predetermined attribute information, wherein, the predetermined attribute information is corresponding with predefined parameter sets, for getting
The user equipment of the message calls the corresponding parameter sets of the predetermined attribute information to carry out data transmit-receive.
Therefore the base station 700, has above-mentioned all technique effects, herein using the messaging parameter indicating means shown in Fig. 5
It repeats no more.Base station 700 also has following technical characteristic：
In the above embodiment of the present invention, optionally, the predetermined attribute information is frequency related information, including initially connecing
Enter frequency point, band information or absolute frequency point number.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, further include：Predefined module, sends out in the news release module 702
Before cloth carries the message of predetermined attribute information, the predetermined attribute information and the corresponding ginseng of the predetermined attribute information are set
Manifold is closed.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
In the above embodiment of the present invention, optionally, the news release module 702 is used for：It is small in user equipment searches
The message is sent on the frequency point in area.
In the above embodiment of the present invention, optionally, the news release module 702 is used for：The frequency is broadcasted in SIB1
Information and broadcast the absolute frequency point number in SIB2.
Fig. 8 shows the block diagram of the user equipment of an alternative embodiment of the invention.
As shown in figure 8, an embodiment of the present invention provides a kind of user equipment 800, including：Message capturing module 802 obtains
The message of base station publication；Parameter sets determining module 804 according to the predetermined attribute information that the message carries, determines described pre-
Determine the corresponding parameter sets of attribute information；Data transmit-receive module 806 according to the parameter sets, carries out data transmit-receive.
Therefore the user equipment 800, has above-mentioned all technique effects, herein no longer using the communication means shown in Fig. 6
It repeats.User equipment 800 also has following technical characteristic：
In the above embodiment of the present invention, optionally, the predetermined attribute information is frequency related information, including initially connecing
Enter frequency point, band information or absolute frequency point number.
In the above embodiment of the present invention, optionally, the parameter sets include frame structure, frequency hop sequences, channel packet
It is one or more in information and available channel list.
In the above embodiment of the present invention, optionally, the message includes synchronization message and/or system broadcast message.
It needing to know, the embodiment of the present invention additionally provides a kind of base station, including：Processor, memory and input and output
Interface；Computer readable storage medium is configured in the memory, the processor can call described computer-readable
Storage medium to control the input/output interface, wherein, the processor be used for by the input/output interface perform such as
Method flow described in any one of above-mentioned Fig. 1 and/or Fig. 5.
The embodiment of the present invention additionally provides a kind of user equipment, including：Processor, memory and input/output interface；
Computer readable storage medium is configured in the memory, the processor can call the computer-readable storage medium
Matter to control the input/output interface, wherein, the processor is used to perform such as above-mentioned Fig. 2 by the input/output interface
And/or the method flow described in any one of Fig. 6.
Technical scheme of the present invention is described in detail above in association with attached drawing, by technical scheme of the present invention, with smaller
Information overhead flexibly indicates sending methods of the NB-IoT in unauthorized frequency range, improve unauthorized frequency range communication efficiency and
Covering power.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relationships, for example, A and/or B, can represent：Individualism A, exists simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determining " or " when the detection (condition of statement
Or event) when " or " in response to detecting (condition or event of statement) ".
Need to know, heretofore described user equipment, can be mobile phone (or mobile phone) or it is other can
Send or receive wireless signal equipment, including user equipment (terminal), personal digital assistant (PDA), wireless modem,
Wireless communication device, hand-held device, laptop computer, wireless phone, wireless local loop (WLL) are stood, can be believed mobile
The CPE or Mifi, intelligent appliance or other obstructed remarkable operations for number being converted to wifi signals just can spontaneous and mobile communication
Equipment of network communication etc..
In addition, each function module in each embodiment of the present invention can be integrated in a processing module, it can also
That modules are individually physically present, can also two or more modules be integrated in a module.Above-mentioned integrated mould
The form that hardware had both may be used in block is realized, can also be realized in the form of hardware adds software function module.
The above-mentioned integrated module realized in the form of software function module, can be stored in one and computer-readable deposit
In storage media.Above-mentioned software function module is stored in a storage medium, is used including some instructions so that a computer
It is each that device (can be personal computer, server or network equipment etc.) or processor (Processor) perform the present invention
The part steps of a embodiment the method.And aforementioned storage medium includes：USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
The medium of program code can be stored.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of protection of the invention.
Claims (10)
1. a kind of messaging parameter indicating means, which is characterized in that including：
Publication carries the message of added bits, wherein, the added bits are corresponding with predefined parameter sets, for obtaining
User equipment to the message calls the added bits to determine that corresponding parameter sets carry out data transmit-receive.
2. a kind of base station, which is characterized in that including：
News release module, publication carry the message of added bits, wherein, the added bits are corresponding with predefined parameter
Set calls the added bits to determine that corresponding parameter sets carry out data receipts for getting the user equipment of the message
Hair.
3. a kind of communication means, which is characterized in that including：
Obtain the message of base station publication；
According to the added bits that the message carries, the parameter sets corresponding to the added bits are determined；
According to the parameter sets, data transmit-receive is carried out.
4. a kind of user equipment, which is characterized in that including：
Message capturing module obtains the message of base station publication；
Parameter sets determining module according to the added bits that the message carries, determines the parameter corresponding to the added bits
Set；
Data transmit-receive module according to the parameter sets, carries out data transmit-receive.
5. a kind of messaging parameter indicating means, which is characterized in that including：
Publication carries the message of predetermined attribute information, wherein, the predetermined attribute information is corresponding with predefined parameter sets,
The corresponding parameter sets of the predetermined attribute information is called to carry out data receipts for getting the user equipment of the message
Hair.
6. a kind of base station, which is characterized in that including：
News release module, publication carry the message of predetermined attribute information, wherein, the predetermined attribute information is corresponding with predetermined
The parameter sets of justice call the corresponding parameter set of the predetermined attribute information for getting the user equipment of the message
It closes and carries out data transmit-receive.
7. a kind of communication means, which is characterized in that including：
Obtain the message of base station publication；
According to the predetermined attribute information that the message carries, the corresponding parameter sets of the predetermined attribute information are determined；
According to the parameter sets, data transmit-receive is carried out.
8. a kind of user equipment, which is characterized in that including：
Message capturing module obtains the message of base station publication；
Parameter sets determining module according to the predetermined attribute information that the message carries, determines that the predetermined attribute information corresponds to
Parameter sets；
Data transmit-receive module according to the parameter sets, carries out data transmit-receive.
9. a kind of base station, which is characterized in that including：Processor, memory and input/output interface；In the memory by with
Computer readable storage medium is equipped with, the processor can call the computer readable storage medium to control the input
Output interface, wherein,
The processor is used to perform the method as described in claim 1 flow and/or execution by the input/output interface
Method flow as claimed in claim 5.
10. a kind of user equipment, which is characterized in that including：Processor, memory and input/output interface；The memory
In be configured with computer readable storage medium, the processor can call the computer readable storage medium to control
Input/output interface is stated, wherein,
The processor is used to perform method flow as claimed in claim 3 and/or execution by the input/output interface
Flow the method for claim 7.
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Application publication date: 20180622 |