CN108012286A - Determine the method and device of spectrum efficiency - Google Patents
Determine the method and device of spectrum efficiency Download PDFInfo
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- CN108012286A CN108012286A CN201711339909.XA CN201711339909A CN108012286A CN 108012286 A CN108012286 A CN 108012286A CN 201711339909 A CN201711339909 A CN 201711339909A CN 108012286 A CN108012286 A CN 108012286A
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- signal
- block number
- resource block
- spectrum efficiency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
Abstract
The present invention provides a kind of method and device of definite spectrum efficiency.Method includes：Signal of communication is received, and determines the corresponding signal message of the signal of communication；Determine the resource block number that the signal message includes, and spectrum efficiency is determined according to the resource block number.The present invention is by receiving signal of communication, the resource block number that signal message includes is determined again, and spectrum efficiency is determined according to resource block number, frequency efficiency can be determined under conditions of the authority of no base station and operator, so as to accurately weigh the validity of communication system.
Description
Technical field
The present invention relates to the communication technology, more particularly to a kind of method and device of definite spectrum efficiency, belong to wireless communication
Field.
Background technology
The availability of frequency spectrum is defined as bandwidth, the product of (geography) room and time three that user monopolizes.Calculating side
Method is：Wherein, U is the availability of frequency spectrum to U=B*S*T (1), and B is spectral bandwidth, and S is geometric space, and T is the time, the availability of frequency spectrum
It is the important indicator for weighing communication system validity.
For operator, the basic data for calculating the availability of frequency spectrum can be directly obtained, therefore, operator can be straight
Connect and the availability of frequency spectrum is calculated according to known basic data, and the validity of communication system is determined according to result of calculation.But
It is that for the mechanism that other need the research availability of frequency spectrum, can not obtain calculating the basic data of the availability of frequency spectrum, also
The validity of communication system can not be determined by the above method.
In the prior art, also there is the mode of another validity for weighing communication system, calculate hardware circuit solution with
The ratio of frequency spectrum, then the ratio come by way of weighing come the validity of communication system.But this computational methods are merely able to
Rough expression spectrum occupancy, can not be accurately obtained the information of communication system validity.
The content of the invention
The present invention provides a kind of method and device of definite spectrum efficiency, by receiving signal of communication, then determines signal letter
The resource block number that breath includes, and spectrum efficiency is determined according to resource block number, can be in no base station and the power of operator
Frequency efficiency is determined under conditions of limit, so as to accurately weigh the validity of communication system.
The first aspect of the invention is to provide a kind of method of definite spectrum efficiency, including：
Signal of communication is received, and determines the corresponding signal message of the signal of communication；
Determine the resource block number that the signal message includes, and spectrum efficiency is determined according to the resource block number.
Another aspect of the present invention is to provide a kind of device of definite spectrum efficiency, including：
Receiving module, for receiving signal of communication；
First determining module, for determining the corresponding signal message of the signal of communication；
Second determining module, the resource block number included for determining the signal message, and according to the resource block
Number determines spectrum efficiency.
The method and device of definite spectrum efficiency provided by the invention has the technical effect that：
The method and device of definite spectrum efficiency provided in this embodiment, including signal of communication is received, and determine communication letter
Number corresponding signal message；The resource block number that signal message includes is determined again, and determines that frequency spectrum is imitated according to resource block number
Rate.The method and device of the definite spectrum efficiency provided through this embodiment, the resource block that can be included according to signal of communication
Number determines spectrum efficiency, under conditions of the authority of no base station and operator, also can according to the present embodiment provides
Method determine frequency efficiency.In addition, can be more accurate according to the resource block number that transmission data are actually used in signal message
Determine spectrum efficiency, so as to more accurately weigh the validity of communication system.
Brief description of the drawings
Fig. 1 is the flow chart of the method for the definite spectrum efficiency shown in an exemplary embodiment of the invention；
Fig. 2 is the flow chart of the method for the definite spectrum efficiency shown in another exemplary embodiment of the present invention；
Fig. 3 is the flow chart that the number of resource blocks purpose method that signal message includes is determined in the present embodiment；
Fig. 4 is the structure chart of the device of the definite spectrum efficiency shown in an exemplary embodiment of the invention；
Fig. 5 is the structure chart of the device of the definite spectrum efficiency shown in another exemplary embodiment of the present invention.
Embodiment
Fig. 1 is the flow chart of the method for the definite spectrum efficiency shown in an exemplary embodiment of the invention.
As shown in Figure 1, the method for definite spectrum efficiency provided in this embodiment includes：
Step 101, signal of communication is received, and determines the corresponding signal message of signal of communication.
Wherein it is possible to first gather signal of communication, then the signal of communication of collection is handled, for example, for the ease of collection
Signal of communication and signal to collection are handled, and software radio can be used to carry out signal acquisition.
Specifically, software radio refers to the hardware cell of modularization, standardization connecting and composing base in a manner of bus
This platform, and a kind of open architecture for realizing various radio functions is loaded by software.Based on software radio
Collection communication breath number, can newly arrive upgraded band, air interface protocol and other functions by software download and more, and not have to
Hardware is replaced completely, is more convenient for operating.
Further, software wireless electrical environment can be built by following methods：
A, installation relies on bag；
B, GNURadio (open source software radio) is compiled；
C, HackRf (radio platforms) is compiled；
D, RTL-SDR (wireless device of software definition) is compiled；
E, gr-osmosdr is compiled；
F, gqrx is compiled.
During practical application, radio environment can be built on linux system, recycle the software radio put up into
Row cell searching, then signal of communication is gathered, for example, LTE signals can be gathered.
Wherein it is possible to HackRF is called to complete LTE cell searchings by C++.In CellSearch.cpp, function
The test that config_hackrf () completes initialization and signal receives.The HackRFAPI called successively has：
hackrf_init()；// initialization
hackrf_open(&device)；After // equipment is opened, context information can be stored in device structures.
hackrf_set_sample_rate_manual(device,1.92e6,1)；// setting sample rate is 1.92MHz,
The numerical value is related to LTE signal standards.
hackrf_set_baseband_filter_bandwidth(device,1.45e6)；// baseband filter is set
Bandwidth 1.45MHz, although our the LTE PBCH signal bandwidths to be demodulated only have 1MHz or so, stayed here some surpluses with
Preventing, which has larger frequency deviation to cause signal to be pulled to filter skirt, causes to damage.
hackrf_set_vga_gain(device,vga_gain)；The gain of // setting variable gain amplifier VGA.Most
Big value 62dB, stepping 2dB.
hackrf_set_lna_gain(device,lna_gain)；The gain of // setting low noise LNA.Maximum
40dB, stepping 6dB.
hackrf_set_freq(device,fc)；// setting center receives frequency is fc, unit Hz.
After collecting signal of communication, signal of communication can be sent into the module for handling signal of communication, so that place
Reason module can receive signal of communication.For example, the module for handling signal of communication can be built in MATLAB, then will collection
Signal of communication send into MATLAB so that the module in MATLAB can handle the signal of communication of reception.
Wherein, if building the module for handling signal of communication by MATLAB, MATLAB can not directly according to this two
The signal of communication of system form determines corresponding signal message.Therefore, can be built in MATLAB for format conversion
Module, after signal of communication is received, the place of received signal of communication progress format conversion is docked by the format converting module
Reason, so as to obtain the form for being adapted to MATLAB demodulation, makes MATLAB be capable of determining that the corresponding signal message of signal of communication.
Step 102, the resource block number that signal message includes is determined.
Specifically, signal message includes a variety of data messages, for example, cell system information, cell identity information, synchronization
Signal, resource block number etc..The base station with sending signal of communication can be realized by synchronizing signal by receiving the module of signal of communication
Timing Synchronization.
After completion timing synchronization, can be obtained according to synchronized result in signal message includes resource block number.Into one
Step, after completion timing synchronization, the data message corresponding to each several part in signal message can be determined according to synchronized result,
And then it can therefrom extract resource block number this data message.
Step 103, spectrum efficiency is determined according to resource block number.
Resource block refers to the supporting body for being used for transmission data, in the signal of communication of LTE, continuous 12 subcarriers of frequency,
A slot in time domain, is known as 1 resource block.
During practical application, which can be whole number of resources that user is distributed in the unit interval.Can root
Spectrum efficiency is determined according to the number of resources for distributing to user.For example, stepping can be carried out according to the resource block number for distributing to user,
Its corresponding gear is determined according to the resource block number of acquisition, then obtains the corresponding spectrum efficiency of the gear.
Wherein, resource block number can also include total resource block number, can calculate the number of resource blocks for distributing to user
Mesh accounts for total number of resource blocks purpose percentage, and spectrum efficiency is determined further according to the ratio.For example, when ratio is less than first threshold
When, it is believed that spectrum efficiency is relatively low, and ratio is between first threshold and second threshold, then it is assumed that spectrum efficiency is qualified, more than the
During two threshold values, it is believed that spectrum efficiency is higher etc..
The method of definite spectrum efficiency provided in this embodiment, including signal of communication is received, and determine that signal of communication corresponds to
Signal message；The resource block number that signal message includes is determined again, and spectrum efficiency is determined according to resource block number.Pass through
The method of definite spectrum efficiency provided in this embodiment, the resource block number that can be included according to signal of communication determine that frequency spectrum is imitated
Rate, under conditions of the authority of no operator, also can determine frequency efficiency according to method provided in this embodiment.Separately
Outside, spectrum efficiency can more accurately be determined according to the resource block number that transmission data are actually used in signal message, so that
The validity of communication system can more accurately be weighed.
Fig. 2 is the flow chart of the method for the definite spectrum efficiency shown in another exemplary embodiment of the present invention.
As shown in Fig. 2, the method for definite spectrum efficiency provided in this embodiment, including：
Step 201, signal of communication is received, and determines the corresponding signal message of signal of communication.
Step 201 is similar to the principle and implementation of step 101, and details are not described herein.
Step 202, the master sync signal and auxiliary synchronous signals that detected signal information includes.
Wherein, signal message include master sync signal (PSS, Primary Synchronization Signal) and
Auxiliary synchronous signals (SSS, Secondary Synchronization Signal).Master sync signal is used for transmission cell ID in group
Value, auxiliary synchronous signals are used for transmission a group ID values.In Base Transmitter signal, physical district ID (Physical Cell are used
Identities, PCI) distinguish different cells：
PCI=3N1+N2
N1Refer to a group ID values, N2Refer to cell ID value in group.By decoding primary signal and auxiliary synchronous signals, can obtain
To above-mentioned N1And N2Value, so that it is determined that going out physical district ID.
Specifically, can be according to N2A master sync signal is generated, can also be according to N1、N2Two auxiliary synchronous signals are generated,
It is added into signal of communication, so that receiving terminal can receive the master sync signal and auxiliary synchronous signals, and it is carried out
Decoding.And then obtain physical Cell ID information.
Step 203, according to the time of master sync signal and auxiliary synchronous signals realization with cell and Frequency Synchronization, and according to same
Step result determines the resource block number that signal message includes.
For LTE-FDD standards, in last OFDM symbol for appearing in time slot 0 and time slot 10 in PSS cycles, SSS
On the penultimate symbol for appearing in time slot 0 and time slot 10 in cycle；For LTE-TDD standards, the PSS cycles appear in son
In 3rd OFDM symbol of frame 1,6, in the last symbol for appearing in subframe 0,5 in SSS cycles.
By taking LTE-TDD signals as an example, there is the identical master sync signal of a content every 5ms in signal message, therefore,
The boundary of time slot of 5ms can be obtained by master sync signal.
And master sync signal and relative position of the auxiliary synchronous signals in signal message are fixed, pass through master sync signal
It is capable of determining that the position of auxiliary synchronous signals, and then obtains auxiliary synchronous signals.Content positioned at the auxiliary synchronous signals of subframe 0,5 is
Different, therefore, the current subframe moment can be determined according to auxiliary synchronous signals, be, for example, subframe 0 or subframe 5.By main same
Signal and auxiliary synchronous signals are walked, can be realized and cell over time and frequency synchronous.
After synchronization is realized, the resource block number that signal message includes can be accurately determined.
Fig. 3 is the flow chart that the number of resource blocks purpose method that signal message includes is determined in the present embodiment.
As shown in figure 3, the number of resource blocks purpose method that definite signal message provided in this embodiment includes includes：
Step 2031, according to time and Frequency Synchronization as a result, determining the cell system information that signal message includes.
Specifically, the structure of downlink signal after time and Frequency Synchronization, be able to can be obtained, can therefrom extract to obtain
Cell system information.It can include common configured transmission in cell system information, such as system bandwidth, System Frame Number, with confidence
Breath, antenna in cell number etc..Can also including wireless resource configuration etc.,.Such as resource block number information.
Step 2032, cell system information is decoded, determines what cell system information included according to decoded result
Resource block number.
After obtaining cell system information, cell system information can be decoded, specific coding/decoding method and existing skill
The mode being demodulated in art to wireless signal is identical.Signal message can also be determined according to time and the synchronized result of frequency
The reference signal included, estimates channel based on reference signal, obtains channel information, and based on channel information to cell
System information is decoded.
Wherein, reference signal (Reference Signal, RS) refers to be supplied to receiving terminal for channel to estimate by transmitting terminal
A kind of known signal of meter or channel detection.For example, reference signal can be the specific reference signal CRS of cell.Cell is specific
Refer to that this reference signal is corresponding with the antenna port of a base station end.
Can be according to time and Frequency Synchronization as a result, the structure of signal message is determined, so as to therefrom extract with reference to letter
Number.Channel is estimated further according to reference signal.For example, channel information can be determined according to formula Y=HX+W.Wherein, Y tables
Show reception signal, X represents to send signal, and H represents analog value, and K represents deviation.Channel can be obtained by channel estimation to believe
Breath, then cell system information is decoded based on channel information.It can include resource block number information in cell system information,
Therefore, the resource block number that cell system information includes can be determined according to decoded result.
Wherein, resource block number includes：Total resources block number mesh and user occupancy resource block number.
Step 204, user occupancy resource block number and total resources block number purpose ratio are determined, and frequency spectrum is determined according to ratio
Efficiency.
Specifically, the size of user resources can be distributed to by obtaining system in cell system information, it is specific to be single
The resource block number of user is distributed in the time of position, additionally it is possible to total money that the system is capable of providing is obtained from cell system information
Source block number.The ratio of the two is calculated again, and spectrum efficiency is determined further according to the ratio.
A specific embodiment is named, to illustrate the method for definite spectrum efficiency provided in this embodiment.
Gather the 1880-1900MHz frequency band signals of China Mobile's 4G signals.
The signal of collection is demodulated, obtains cell system information：Cell ID information, the antenna number n_ports of cell
=2, cell frequency, downlink total resources block number n_rb_dl=100, CP type is normal, and receives the parameters such as energy
Value.
Cell system information is further decoded, obtains radio frames resource allocation conditions：
The resource allocation conditions of first radio frames：
TDD SFN-0ULDL-0-|D|S|U|U|U|D|S|U|U|U|CID-0 nPort-2 CP-normal PHICH-
DUR-normal-RES-0.16667
Ce1 RF1 SF1 PHICH1 PDCCH3 RNTI:0xE917 0x07BD
RBassign_str=from RB84 to RB96
RBassign_str=from RB39 to RB49
Ce1 RF1 SF6 PHICH1 PDCCH3 RNTI:0x70B1
RBassign_str=from RB38 to RB63
Second radio frames resource allocation conditions：
TDD SFN-1 ULDL-0-|D|S|U|U|U|D|S|U|U|U|CID-0 nPort-2 CP-normalPHICH-
DUR-normal-RES-0.16667
Ce1 RF2 SF1 PHICH1 PDCCH3 RNTI:0xE917 0x617F
RBassign_str=from RB84 to RB96
RBassign_str=from RB46 to RB56
Ce1 RF2 SF2 PHICH1 PDCCH2 RNTI:0x6501
RBassign_str=from RB20 to RB50
Ce1 RF2 SF6 PHICH1 PDCCH3 RNTI:0x7E44
RBassign_str=from RB38 to RB63
Ce1 RF2 SF7 PHICH1 PDCCH2 RNTI:0x44C0
RBassign_str=from RB21 to RB35
3rd radio frames frame resource allocation conditions：
TDD SFN-2 ULDL-0-|D|S|U|U|U|D|S|U|U|U|CID-0 nPort-2 CP-normalPHICH-
DUR-normal-RES-0.16667
Ce1 RF3 SF1 PHICH1 PDCCH3 RNTI:0xE917 0x617F
RBassign_str=from RB84 to RB96
RBassign_str=from RB46 to RB56
Ce1 RF3 SF6 PHICH1 PDCCH3 RNTI:0xE6E0
RBassign_str=from RB73 to RB100
4th radio frames resource allocation conditions：
TDD SFN-3 ULDL-0-|D|S|U|U|U|D|S|U|U|U|CID-0 nPort-2 CP-normal PHICH-
DUR-normal-RES-0.16667
Ce1 RF4 SF1 PHICH1 PDCCH3 RNTI:0xE917 0x1A2A
RBassign_str=from RB84 to RB96
RBassign_str=from RB39 to RB49
Ce1 RF4 SF6 PHICH1 PDCCH3 RNTI:0x452B
RBassign_str=from RB30 to RB55
Ce1 RF4 SF7 PHICH1 PDCCH2 RNTI:0xC732
RBassign_str=from RB40 to RB57
5th radio frames resource allocation conditions：
TDD SFN-4 ULDL-0-|D|S|U|U|U|D|S|U|U|U|CID-0 nPort-2 CP-normalPHICH-
DUR-normal-RES-0.16667
Ce1 RF5 SF1 PHICH1 PDCCH3 RNTI:0xE917 0xC29B
RBassign_str=from RB84 to RB96
RBassign_str=from RB46 to RB56
Ce1 RF5 SF2 PHICH1 PDCCH2 RNTI:0x714E
RBassign_str=from RB38 to RB78
Ce1 RF5 SF6 PHICH1 PDCCH3 RNTI:0x02C8
RBassign_str=from RB73 to RB100
Ce1 RF5 SF7 PHICH1 PDCCH2 RNTI:0x9875
RBassign_str=from RB1 to RB12
6th radio frames resource allocation conditions：
TDD SFN-5 ULDL-0-|D|S|U|U|U|D|S|U|U|U|CID-0 nPort-2 CP-normalPHICH-
DUR-normal-RES-0.16667
Ce1 RF6 SF1 PHICH1 PDCCH3 RNTI:0xE917 0x617F
RBassign_str=from RB84 to RB96
RBassign_str=from RB46 to RB56
Ce1 RF6 SF2 PHICH1 PDCCH2 RNTI:0x5126
RBassign_str=from RB32 to RB50
Ce1 RF6 SF6 PHICH1 PDCCH3 RNTI:0x9C55
RBassign_str=from RB38 to RB63
Ce1 RF6 SF7 PHICH1 PDCCH2 RNTI:0xB0B7
RBassign_str=from RB38 to RB65
Determine spectrum efficiency：
The SFN=5 obtained is demodulated, therefore radio frames, from 0 to 5, one shares 6 radio frames, has 10 inside a radio frames
A subframe, has 100RB in the subframe of each 20M bandwidth, and signal is TD-LTE, and uplink-downlink configuration is | D | S | and U | U | U | D | S | U | U
| U |, for the first subframe with the 6th subframe as downlink transfer subframe, the total RB numbers that can be dominated are 2 × 100, therefore first
The efficiency of a subframe is ((96-84+1)+(49-39+1)+(63-38+1)) ÷ 200=25%.The frequency spectrum of comprehensive 6 radio frames
Efficiency tries to achieve average value (25%+24%+26%+22.7%+26.25%+24.25%) ÷ 6=24.7%.
The method of definite spectrum efficiency provided in this embodiment, can be not required the condition of base station and operator's authority
Under, gather signal of communication and demodulation obtains RB (resource block) occupied information of user, so as to be determined according to resource block occupied information
Spectrum efficiency, and then can more accurately weigh the validity of communication system.
Fig. 4 is the structure chart of the device of the definite spectrum efficiency shown in an exemplary embodiment of the invention.
As shown in figure 4, the device of definite spectrum efficiency provided in this embodiment includes：
Receiving module 41, for receiving signal of communication；
First determining module 42, for determining the corresponding signal message of the signal of communication；
Second determining module 43, the resource block number included for determining the signal message, and according to the resource
Block number mesh determines spectrum efficiency.
Wherein, receiving module 41, the first determining module 42, the second determining module 43 are sequentially connected.
The device of definite spectrum efficiency provided in this embodiment, receiving module, for receiving signal of communication；First determines mould
Block, for determining the corresponding signal message of the signal of communication；Second determining module, for determining that the signal message includes
Resource block number, and spectrum efficiency is determined according to the resource block number.The definite spectrum efficiency provided through this embodiment
Device, the resource block number that can be included according to signal of communication determines spectrum efficiency, even in the authority of no operator
Under conditions of, also frequency efficiency can be determined according to method provided in this embodiment.In addition, it is actually used in according in signal message
The resource block number of transmission data can more accurately determine spectrum efficiency, so as to more accurately weigh communication system
Validity.
The concrete principle and implementation of the device of definite spectrum efficiency provided in this embodiment with the implementation shown in Fig. 1
Example is similar, and details are not described herein again.
Fig. 5 is the structure chart of the device of the definite spectrum efficiency shown in another exemplary embodiment of the present invention.
As shown in figure 5, the device of definite spectrum efficiency provided in this embodiment, on the basis of above-described embodiment, is also wrapped
Include：
Detection module 44, the master sync signal and auxiliary synchronous signals included for detecting the signal message；
Synchronization module 45, for being realized and the time of cell and frequency according to the master sync signal and the auxiliary synchronous signals
Rate is synchronous；
Correspondingly, second determining module 43 is specifically used for determining what the signal message included according to synchronized result
Resource block number.
Wherein, receiving module 41, the first determining module 42, detection module 44 connect, synchronization module 45 and second determines mould
Block 43 is sequentially connected.
Optionally, second determining module 43 includes：
Determination unit 431, for according to the time and Frequency Synchronization as a result, determine the signal message include it is small
Sound zone system information；
Decoding unit 432, for being decoded to the cell system information, the small fauna is determined according to decoded result
The resource block number that system information includes.
Wherein it is determined that unit 431, decoding unit 432 connect.
Optionally, the decoding unit 432 is specifically used for：
According to the time and Frequency Synchronization as a result, the reference signal that the signal message includes is determined, based on described
Reference signal estimates channel, obtains channel information, and the cell system information is carried out based on the channel information
Decoding.
Optionally, the resource block number includes：Total resources block number mesh and user occupancy resource block number；
Correspondingly, second determining module 43 is specifically used for：
Determine the user occupancy resource block number and the total resources block number purpose ratio, and determined according to the ratio
The spectrum efficiency.
The device of definite spectrum efficiency provided in this embodiment, can be not required the condition of base station and operator's authority
Under, gather signal of communication and demodulation obtains RB (resource block) occupied information of user, so as to be determined according to resource block occupied information
Spectrum efficiency, and then can more accurately weigh the validity of communication system.
The concrete principle and implementation of the device of definite spectrum efficiency provided in this embodiment with shown in Fig. 2~3
Embodiment is similar, and details are not described herein again.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. method of definite spectrum efficiency, it is characterised in that including：Signal of communication is received, and determines the corresponding signal message of the signal of communication；Determine the resource block number that the signal message includes, and spectrum efficiency is determined according to the resource block number.
- 2. according to the method described in claim 1, it is characterized in that, it is described determine the corresponding signal message of the signal of communication it Afterwards, including：Detect master sync signal and auxiliary synchronous signals that the signal message includes；Realized and the time of cell and Frequency Synchronization according to the master sync signal and the auxiliary synchronous signals；Correspondingly, the resource block number for determining the signal message and including, including：And the resource block number that the signal message includes is determined according to synchronized result.
- 3. according to the method described in claim 2, it is characterized in that, described determine to wrap in the signal message according to synchronized result The resource block number included, including：According to the time and Frequency Synchronization as a result, determining the cell system information that the signal message includes；The cell system information is decoded, the money that the cell system information includes is determined according to decoded result Source block number.
- 4. according to the method described in claim 3, it is characterized in that, described decode the cell system information, including：According to the time and Frequency Synchronization as a result, the reference signal that the signal message includes is determined, based on the reference Signal estimates channel, obtains channel information, and the cell system information is decoded based on the channel information.
- 5. according to Claims 1 to 4 any one of them method, it is characterised in that the resource block number includes：Total resources block Number and user occupancy resource block number；Correspondingly, described determine spectrum efficiency according to the resource block number, including：Determine the user occupancy resource block number and the total resources block number purpose ratio, and according to determining the ratio Spectrum efficiency.
- A kind of 6. device of definite spectrum efficiency, it is characterised in that including：Receiving module, for receiving signal of communication；First determining module, for determining the corresponding signal message of the signal of communication；Second determining module, the resource block number included for determining the signal message, and according to the resource block number Determine spectrum efficiency.
- 7. device according to claim 6, it is characterised in that further include：Detection module, the master sync signal and auxiliary synchronous signals included for detecting the signal message；Synchronization module, it is same with the time of cell and frequency for being realized according to the master sync signal and the auxiliary synchronous signals Step；Correspondingly, second determining module is specifically used for determining resource block that the signal message includes according to synchronized result Number.
- 8. device according to claim 7, it is characterised in that second determining module includes：Determination unit, for according to the time and Frequency Synchronization as a result, determining the cell system that includes of the signal message Information；Decoding unit, for being decoded to the cell system information, the cell system information is determined according to decoded result The resource block number included.
- 9. device according to claim 8, it is characterised in that the decoding unit is specifically used for：According to the time and Frequency Synchronization as a result, the reference signal that the signal message includes is determined, based on the reference Signal estimates channel, obtains channel information, and the cell system information is decoded based on the channel information.
- 10. according to claim 6~9 any one of them device, it is characterised in that the resource block number includes：Total resources Block number mesh and user occupancy resource block number；Correspondingly, second determining module is specifically used for：Determine the user occupancy resource block number and the total resources block number purpose ratio, and according to determining the ratio Spectrum efficiency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339909.XA CN108012286B (en) | 2017-12-14 | 2017-12-14 | Method and device for determining spectrum efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN111432414A (en) * | 2020-03-30 | 2020-07-17 | 北京邮电大学 | Method and device for determining frequency spectrum resource utilization rate |
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