CN110446218A - A kind of method and apparatus in narrow band communication - Google Patents
A kind of method and apparatus in narrow band communication Download PDFInfo
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- CN110446218A CN110446218A CN201910689383.0A CN201910689383A CN110446218A CN 110446218 A CN110446218 A CN 110446218A CN 201910689383 A CN201910689383 A CN 201910689383A CN 110446218 A CN110446218 A CN 110446218A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
Abstract
The invention discloses the method and apparatus in a kind of narrow band communication.As one embodiment, UE receives K wireless signal on K target running time-frequency resource first respectively, then determines K transmission quality respectively according to the K wireless signal.Wherein, the K target running time-frequency resource is located at K narrow-band on frequency domain, and the bandwidth of a narrow-band is the bandwidth of a PRB.Time required for measuring present invention reduces RRM carries out the time required for RRM is measured in particular for multiple narrowbands.In addition, the present invention eliminates as much as the co-channel interference between cell, the precision of RRM measurement is improved.
Description
The application is the divisional application of following original application:
-- the applying date of original application: on October 30th, 2015
-- the application number of original application: 201510725135.9
-- a kind of invention and created name of original application: the method and apparatus in narrow band communication
Technical field
The present invention relates to the transmission plans in wireless communication system, more particularly to the cellular network communication of compatible narrow band transmission
Method and apparatus.
Background technique
In 3GPP (3rd Generation Partner Project, third generation cooperative partner program) RAN (Radio
Access Network, wireless access network) in #69 plenary session, NB-IOT (NarrowBand Internet of Things, it is narrow
Band Internet of Things) it is set up the project.NB-IOT supports 3 kinds of different operational modes (RP-151621):
1. independent (Stand-alone) operation, is disposed on the frequency spectrum that GERAN system uses.
2. protection band is run, disposed on the not used resource block in the protection band of LTE carrier wave
3. being disposed on the resource block on LTE carrier wave with interior operation
Further, in NB-IOT, UE (User Equipment, user equipment) supports 180kHz in uplink and downlink
RF (Radio Frequency, radio frequency) bandwidth, i.e. a PRB (Physical Resource Block, Physical Resource Block).
In existing cellular network system, in RRM (Radio Resource Management, the radio resource that the side UE carries out
Management) measurement generally include RSRP (Reference Signal Received Power, Reference Signal Received Power) measurement and
RSRQ (Reference Signal Received Quality, Reference Signal Received Power) measurement.With LTE (Long Term
Evolution, long term evolution) for, RRM measurement be potentially based on CRS (Cell specific Reference Signal, it is small
Area's reference signal), CSI (Channel Status Information, channel state information)-RS (Reference
Signal), MBSFN RS or direct connection (Sidelink) RS.
Summary of the invention
Inventors discovered through research that measuring utilized RS according to existing RRM, in narrow band communication, RRM measures institute
The RS that can be utilized may be very sparse, and due to narrower bandwidth, reliable RRM measurement result may monitor UE in order to obtain
For quite a long time-considerably increase delay brought by RRM measurement.
Further, inventors discovered through research that, since (Radio Frequency, is penetrated by the RF of UE in narrow band communication
Frequently ability usually only supports the bandwidth of a narrowband), if UE needs to carry out RRM measurement on multiple narrowbands, required for
Time is linearly increasing with the increase of narrowband quantity.Therefore it wastes the power of UE and destroys the real-time of RRM measurement.
The present invention, aiming to the above problems, provides solutions.It should be noted that in the absence of conflict, the application
UE (User Equipment, user equipment) in embodiment and embodiment in feature can be applied in base station, it is on the contrary
.Further, in the absence of conflict, the feature in embodiments herein and embodiment can arbitrarily mutual group
It closes.
The invention discloses a kind of methods in UE for supporting narrow band communication, wherein includes the following steps:
Step A. receives K wireless signal on K target running time-frequency resource respectively
Step B. determines K transmission quality according to the K wireless signal respectively.
Wherein, the K target running time-frequency resource is located at K narrow-band on frequency domain, and the bandwidth of a narrow-band is
The bandwidth of one PRB.The target running time-frequency resource be used to transmit specific information, and the specific information includes { narrow band sync sequence
At least one of column, Narrowcasting information }.The UE can only receive wireless signal in a narrow-band in given time.
The essence of the above method is to carry out RRM measurement using the wireless signal except traditional RS.It is compared with traditional RS,
Above-mentioned specific information has the following characteristics that
The distribution usually more crypto set of-in subframe (1 millisecond)
Distribution of-the between subframe is usually more sparse.
Above-mentioned two feature is to carry out RRM using the mode of TDM (Time Division Multiplex, be time-multiplexed)
Measurement provides possibility.
In traditional broadband connections, synchronizing sequence and broadcast message usually only take up one in whole system bandwidth
Point, therefore reliable reference can not be provided for RRM measurement.And drawbacks described above no longer exists in narrow band communication.
As one embodiment, the specific information is periodicity sending.
As one embodiment, the transmission of the specific information does not need physical layer control signaling scheduling.
As one embodiment, the narrow band sync sequence include { Zadoff-Chu sequence, pseudo-random sequence } in extremely
It is one of few.
As one embodiment, the Narrowcasting information includes that { time window index, cell ID, operator identifier are
At least one of system information }.
As one embodiment, the carrying logic channel of the Narrowcasting information is BCCH (Broadcast Control
CHannel, broadcast control channel).
As one embodiment, the carrying transmission channel of the Narrowcasting information includes { PBCH (Physical
Broadcast CHannel, Physical Broadcast Channel), DL-SCH (Downlink Shared CHannel, DSCH Downlink Shared Channel) }
At least one of.
As one embodiment, the K is 1.
As one embodiment, the specific information further includes cell common reference signal.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step C. sends uplink signaling, and the uplink signaling indicates at least one of described K transmission quality transmission matter
Amount.
As one embodiment, the uplink signaling is top signaling.
As one embodiment, the uplink signaling is physical layer signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the transmission quality and the first relating to parameters, the
The unit of one parameter is watt.First parameter is the reception function in RE included by the corresponding target running time-frequency resource of the transmission quality
The linear average of rate.
Specifically, according to an aspect of the present invention, which is characterized in that the transmission quality and the first relating to parameters, the
The unit of one parameter is watt.First parameter is the reception function of the useful signal in the corresponding target running time-frequency resource of the transmission quality
The linear average of rate, the useful signal are by the reception signal on multiple RE respectively multiplied by corresponding normalized transmission signal
Conjugation after arithmetic average and obtain.
The advantages of above-mentioned aspect, is the co-channel interference that can be eliminated as much as between cell, therefore compares with traditional RSRP
The power for more accurately reflecting echo signal improves the precision of RRM measurement.Traditional RSRP cannot use this side
Case, because RS is excessively sparse in subframe, the corresponding wireless channel parameter of the occupied multiple RE of RS is changed.
As one embodiment, the multiple RE is voluntarily determined by UE.
As one embodiment, the multiple RE is located at a subframe.
As one embodiment, radio channel characteristic keeps correlation on the multiple RE.
As one embodiment, the transmission quality includes the first parameter.
Specifically, according to an aspect of the present invention, which is characterized in that the K is greater than 1, the K target running time-frequency resource
It is not overlapped mutually in time.
Specifically, according to an aspect of the present invention, which is characterized in that the transmission quality and the second relating to parameters, the
Two parameters are the first parameters divided by the resulting quotient of third parameter, and the unit of third parameter is watt.Third parameter is in multiple targets
The linear average of reception power in OFDM symbol, the target OFDM symbol occupy the whole of corresponding narrow-band on frequency domain
Bandwidth, the multiple target OFDM symbol include that { the corresponding target running time-frequency resource of transmission quality is occupied in the time domain
At least one of OFDM symbol, the OFDM symbol in respective objects time window }, the corresponding target time-frequency money of transmission quality
Source is located in the time domain except the respective objects time window.
As one embodiment, the transmission quality includes the second parameter.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. receives downlink signaling, and the downlink signaling configures K object time window, the K object time window
It is corresponding with the K transmission quality respectively.
Above-mentioned aspect ensures that UE can carry out RRM measurement to multiple narrowbands by the way of TDM, greatly reduces measurement
The required time.
As one embodiment, the object time window includes positive integer LTE subframe.
The invention discloses a kind of methods in base station for supporting narrow band communication, wherein includes the following steps:
Step A. sends K specific information on K target running time-frequency resource respectively.The K specific information can be by UE
For determining K transmission quality.
Wherein, the K target running time-frequency resource is located at K narrow-band on frequency domain, and the bandwidth of a narrow-band is
The bandwidth of one PRB.The specific information includes at least one of { narrow band sync sequence, Narrowcasting information }.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step C. receives uplink signaling, and the uplink signaling indicates at least one of described K transmission quality transmission matter
Amount.
Specifically, according to an aspect of the present invention, which is characterized in that the transmission quality and the first relating to parameters, the
The unit of one parameter is watt.First parameter is the reception function in RE included by the corresponding target running time-frequency resource of the transmission quality
The linear average of rate.
Specifically, according to an aspect of the present invention, which is characterized in that the transmission quality and the first relating to parameters, the
The unit of one parameter is watt.First parameter is the reception function of the useful signal in the corresponding target running time-frequency resource of the transmission quality
The linear average of rate, the useful signal are by the reception signal on multiple RE respectively multiplied by corresponding normalized transmission signal
Conjugation after arithmetic average and obtain.
Specifically, according to an aspect of the present invention, which is characterized in that the K is greater than 1, the K target running time-frequency resource
It is not overlapped mutually in time.
Specifically, according to an aspect of the present invention, which is characterized in that the transmission quality and the second relating to parameters, the
Two parameters are the first parameters divided by the resulting quotient of third parameter, and the unit of third parameter is watt.Third parameter is in multiple targets
The linear average of reception power in OFDM symbol, the target OFDM symbol occupy the whole of corresponding narrow-band on frequency domain
Bandwidth, the multiple target OFDM symbol include that { the corresponding target running time-frequency resource of transmission quality is occupied in the time domain
At least one of OFDM symbol, the OFDM symbol in respective objects time window }, the corresponding target time-frequency money of transmission quality
Source is located in the time domain except the respective objects time window.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. sends downlink signaling, and the downlink signaling configures K object time window, the K object time window
It is corresponding with the K transmission quality respectively.
The invention discloses a kind of user equipmenies for supporting narrow band communication, wherein including following module:
First module: for receiving K wireless signal respectively on K target running time-frequency resource
Second module: for determining K transmission quality respectively according to the K wireless signal.
Wherein, the K target running time-frequency resource is located at K narrow-band on frequency domain, and the bandwidth of a narrow-band is
The bandwidth of one PRB.The target running time-frequency resource be used to transmit specific information, and the specific information includes { narrow band sync sequence
At least one of column, Narrowcasting information }.The UE can only receive wireless signal in a narrow-band in given time.
As one embodiment, above-mentioned user equipment further include:
Third module: for sending uplink signaling, the uplink signaling indicates at least one of described K transmission quality
Transmission quality.
As one embodiment, above-mentioned user equipment is characterized in that, the transmission quality include the first parameter, second
At least one of parameter }, the unit of the first parameter is watt.First parameter is the corresponding target running time-frequency resource of the transmission quality
The linear average of reception power in included RE；Or first parameter be the transmission quality corresponding target time-frequency money
The linear average of the reception power of useful signal in source, the useful signal is multiplied respectively by the reception signal on multiple RE
It is obtained with the arithmetic average after the corresponding normalized conjugation for sending signal.Second parameter is that the first parameter is joined divided by third
The resulting quotient of number, the unit of third parameter is watt.Third parameter is the linear of the reception power in multiple target OFDM symbols
Average value, the target OFDM symbol occupy whole bandwidth of corresponding narrow-band, the multiple target OFDM symbol on frequency domain
It in the time domain include { the corresponding occupied OFDM symbol of target running time-frequency resource of transmission quality, in respective objects time window
OFDM symbol at least one of, the corresponding target running time-frequency resource of transmission quality is located at the corresponding mesh in the time domain
It marks except time window.
The invention discloses a kind of base station equipments for supporting narrow band communication, wherein including following module:
First module: for sending K specific information respectively on K target running time-frequency resource.The K specific information energy
It is enough to be used to determine K transmission quality by UE.
Wherein, the K target running time-frequency resource is located at K narrow-band on frequency domain, and the bandwidth of a narrow-band is
The bandwidth of one PRB.The specific information includes at least one of { narrow band sync sequence, Narrowcasting information }.
As one embodiment, above-mentioned base station equipment is characterized in that, the transmission quality include the first parameter, second
At least one of parameter }, the unit of the first parameter is watt.First parameter is the corresponding target running time-frequency resource of the transmission quality
The linear average of reception power in included RE；Or first parameter be the transmission quality corresponding target time-frequency money
The linear average of the reception power of useful signal in source, the useful signal is multiplied respectively by the reception signal on multiple RE
It is obtained with the arithmetic average after the corresponding normalized conjugation for sending signal.The transmission quality and the second relating to parameters,
Second parameter is the first parameter divided by the resulting quotient of third parameter, and the unit of third parameter is watt.Third parameter is in multiple mesh
The linear average of the reception power in OFDM symbol is marked, the target OFDM symbol occupies the complete of corresponding narrow-band on frequency domain
Portion's bandwidth, the multiple target OFDM symbol include { occupied by the corresponding target running time-frequency resource of transmission quality in the time domain
OFDM symbol, the OFDM symbol in respective objects time window } at least one of, the corresponding target time-frequency of transmission quality
Resource is located in the time domain except the respective objects time window.
As one embodiment, above-mentioned user equipment further include:
Second module: for receiving uplink signaling, the uplink signaling indicates at least one of described K transmission quality
Transmission quality.
Compared to existing public technology, the present invention has following technical advantage:
- shortens the time required for RRM is measured, and carries out the time required for RRM is measured in particular for multiple narrowbands
The energy expense of-saving UE
- eliminates as much as the co-channel interference between cell, improves the precision of RRM measurement.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the flow chart of RRM measurement according to an embodiment of the invention；
Fig. 2 shows the schematic diagrames of the broadcast message according to an embodiment of the invention in a narrowband；
Fig. 3 shows the signal of the synchronizing sequence according to an embodiment of the invention in a narrowband
Figure；
Fig. 4 shows schematic diagram of the specific information according to an embodiment of the invention in 2 narrowbands；
Fig. 5 shows the schematic diagram of object time window according to an embodiment of the invention；
Fig. 6 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention；
Fig. 7 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the flow chart of RRM measurement, as shown in Fig. 1.In attached drawing 1, base station N1 is the service of UE U2
The maintenance base station of cell, the step of identifying in box F1 are optional.
ForBase station N1, K specific information is sent respectively on K target running time-frequency resource in step s101.In step
Uplink signaling is received in S103.
ForUE U2, K wireless signal is received respectively on K target running time-frequency resource in step s 201, in step
In S202 according to the K wireless signal respectively determine K transmission quality, in step S203 transmission uplink signaling, it is described on
Row signaling indicates at least one transmission quality in the K transmission quality.
In embodiment 1, the K target running time-frequency resource is located at K narrow-band, the band of a narrow-band on frequency domain
Width is 180kHz.The target running time-frequency resource be used to transmit specific information, the specific information include narrow band sync sequence,
At least one of Narrowcasting information }.The UE can only receive wireless signal in a narrow-band in given time.
As the sub- embodiment 1 of embodiment 1, the transmission quality includes the first parameter, and the unit of the first parameter is watt.The
One parameter is the linear average of the reception power in RE included by the corresponding target running time-frequency resource of the transmission quality.
As the sub- embodiment 2 of embodiment 1, the transmission quality includes the first parameter, and the unit of the first parameter is watt.The
One parameter is the linear average of the reception power of the useful signal in the corresponding target running time-frequency resource of the transmission quality, described
Useful signal is put down respectively multiplied by the arithmetic after the corresponding normalized conjugation for sending signal by the reception signal on multiple RE
Obtain, i.e. the first parameter are as follows:
Wherein, RE included by the target running time-frequency resource in observation window is divided into J RE group, and interior every RE group includes Q
A RE,It is the reception signal on q-th of RE in j RE group,It is the normalization on q-th of RE in j RE group
The transmission signal of (i.e. power is one).(X)*The conjugation of X is indicated, | X |2Indicate square of the mould of X.On RE in one RE group
It receives signal wireless channel experienced and has strong correlation.
As the sub- embodiment 3 of embodiment 1, the transmission quality includes the second parameter, and the second parameter is that the first parameter is removed
With the resulting quotient of third parameter, the unit of third parameter is watt.Third parameter is the reception function in multiple target OFDM symbols
The linear average of rate, the target OFDM symbol occupy whole bandwidth of corresponding narrow-band, the multiple target on frequency domain
OFDM symbol includes the OFDM symbol in respective objects time window in the time domain, the corresponding target running time-frequency resource of transmission quality
It is located at except the respective objects time window in the time domain.
As the sub- embodiment 4 of embodiment 1, the specific information further includes cell common reference signal, and the cell is public
Pattern of the reference signal in PRB pair is pattern of the CRS in PRB pair altogether.
Embodiment 2
Embodiment 2 illustrates the schematic diagram of the broadcast message in a narrowband, as shown in Fig. 2.In attached drawing 2, oblique line
The occupied subframe of Narrowcasting information is identified, cross spider identifies the RE that CRS is occupied, and the grid of grey filling identifies PDCCH institute
The RE of occupancy, the lattice of bold box are the occupied RE of Narrowcasting information.
In embodiment 2, the occupied subframe of Narrowcasting information periodically occurs, and broadcast message occupies in subframe
Second time slot.
As the sub- embodiment 1 of embodiment 2, as one embodiment, the carrying logic channel of the Narrowcasting information
It is BCCH, the carrying transmission channel of the Narrowcasting information includes at least one of { PBCH, DL-SCH }.
As the sub- embodiment 2 of embodiment 2, the Narrowcasting information includes that { System Frame Number, changing system information refer to
Show, operational mode instruction, SIB (System Information Block, system information block) 1 scheduling information, CRS matches confidence
At least one of breath }.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of the synchronizing sequence in a narrowband, as shown in Fig. 3.In attached drawing 3, oblique line
Identify the occupied subframe of synchronizing sequence, the RE that the grid mark CRS of grey filling is occupied, the grid mark of cross spider filling
The lattice of the occupied RE of PDCCH, backslash mark are the occupied RE of First ray, and the lattice of bold box is the second sequence
Arrange occupied RE.
In embodiment 3, the synchronizing sequence in the present invention includes { First ray, the second sequence }, the synchronization sequence in the present invention
Column are periodicity sendings.First ray occupies the first time slot of subframe, and the second sequence occupies the second time slot of subframe.
As the sub- embodiment 1 of embodiment 3, First ray is pseudo-random sequence, and the second sequence is Zadoff-Chu sequence.
Embodiment 4
Embodiment 4 illustrates schematic diagram of the specific information in 2 narrowbands, as shown in Fig. 4.In attached drawing 4, oblique line mark
The occupied subframe of synchronizing sequence, backslash identify the occupied subframe of broadcast message.
In embodiment 4, UE receives K wireless signal on K target running time-frequency resource first respectively, then according to the K
A wireless signal determines K transmission quality respectively, and the K is 2, and the K target running time-frequency resource is located at narrow on frequency domain
Band #1 and narrowband #2, the bandwidth of a narrow-band is 180kHz.The target running time-frequency resource be used to transmit specific information, described
Specific information includes { narrow band sync sequence, Narrowcasting information }.The UE can only connect in given time in a narrow-band
Receive wireless signal.The K target running time-frequency resource is not overlapped mutually in time.
On each narrowband, the occupied subframe of narrow band sync sequence and the occupied subframe of Narrowcasting information are all
Periodically occur-period be p subframe.The p is positive integer.
Embodiment 5
Embodiment 5 illustrates the schematic diagram of object time window, as shown in Fig. 5.In attached drawing 5, the grid mark of oblique line filling
Know the occupied target running time-frequency resource of specific information, the grid of bold box identifies object time window.
UE determines the first parameter according to the reception signal on the occupied target running time-frequency resource of specific information, according in mesh
Reception signal in mark time window determines that third parameter, third parameter are the lines of the reception power in multiple target OFDM symbols
Mild-natured mean value.The target running time-frequency resource and the object time window are nonoverlapping mutually in time.
As the sub- embodiment 1 of embodiment 5, base station sends downlink signaling and indicates the object time window.
As the sub- embodiment 2 of embodiment 5, the multiple target OFDM symbol includes all in object time window
OFDM symbol, third parameter are as follows:
Wherein, rl mIt is UE on the corresponding RE of m-th of subcarrier in first of OFDM symbol in the object time window
Reception signal.The index value of OFDM symbol in the object time window is: 1,2,3 ..., L；In the object time window
The index value of subcarrier is: 1,2,3 ..., M.
Embodiment 6
Embodiment 6 illustrates the structural block diagram of the processing unit in a UE, as shown in Fig. 6.In attached drawing 6, UE processing
Mainly by the first module 201, the second module 202 and third module 203 form device 200, wherein third module 203 be can modeling
Block.
First module 201 for receiving K wireless signal on K target running time-frequency resource respectively；Second module 202 is used for
K transmission quality is determined respectively according to the K wireless signal；Third module 203 is for sending uplink signaling, the uplink letter
Enable at least one transmission quality indicated in the K transmission quality.
In embodiment 6, the K target running time-frequency resource is located at K narrow-band, the band of a narrow-band on frequency domain
Wide is the bandwidth of a PRB.The target running time-frequency resource be used to transmit specific information, and the specific information includes that { narrowband is same
At least one of step sequence, Narrowcasting information }.The UE can only receive wireless communication in a narrow-band in given time
Number.The uplink signaling is high-level signaling.The transmission quality includes { the first parameter, the second parameter }, the unit of the first parameter
It is watt.First parameter is the linear averaging of the reception power in RE included by the corresponding target running time-frequency resource of the transmission quality
Value；Or first parameter be that the linear of reception power of useful signal in the corresponding target running time-frequency resource of the transmission quality is put down
Mean value, the useful signal be by the reception signal on multiple RE respectively multiplied by the corresponding normalized conjugation for sending signal after
Arithmetic average and obtain.Second parameter is the first parameter divided by the resulting quotient of third parameter, and the unit of third parameter is watt.The
Three parameters are the linear averages of the reception power in multiple target OFDM symbols, and the target OFDM symbol accounts on frequency domain
With whole bandwidth of corresponding narrow-band, the multiple target OFDM symbol includes { the corresponding mesh of transmission quality in the time domain
At least one of mark the occupied OFDM symbol of running time-frequency resource, the OFDM symbol in respective objects time window }, the transmission matter
Corresponding target running time-frequency resource is measured to be located in the time domain except the respective objects time window.
As the sub- embodiment 1 of embodiment 6, the first module is also used to receive downlink signaling, and the downlink signaling configuration K is a
Object time window, the K object time window are corresponding with the K transmission quality respectively.The downlink signaling is high-rise letter
It enables.
As the sub- embodiment 2 of embodiment 6, the second module is also used to select to correspond to best in the K transmission quality
The narrowband of transmission quality is as serving cell.
Embodiment 7
Embodiment 7 illustrates the structural block diagram of the processing unit in a base station, as shown in Fig. 7.In attached drawing 7, base station
Processing unit 300 is mainly made of the first module 301 and the second module 302, wherein the second module 302 is optional module.
First module 301 for sending K specific information, the K specific information respectively on K target running time-frequency resource
It can be by UE for determining K transmission quality；Second module 302 indicates the K for receiving uplink signaling, the uplink signaling
At least one transmission quality in a transmission quality.
In embodiment 7, the K target running time-frequency resource is located at K narrow-band, the band of a narrow-band on frequency domain
Wide is the bandwidth of a PRB.The specific information includes at least one of { narrow band sync sequence, Narrowcasting information }.Institute
Stating transmission quality includes { the first parameter, the second parameter }, and the unit of the first parameter is watt.First parameter is the transmission quality phase
The linear average of reception power in RE included by the target running time-frequency resource answered；Or first parameter be the transmission quality
The linear average of the reception power of useful signal in corresponding target running time-frequency resource, the useful signal is by multiple RE
Reception signal obtained respectively multiplied by the arithmetic average after the corresponding normalized conjugation for sending signal.The transmission quality
With the second relating to parameters, the second parameter is the first parameter divided by the resulting quotient of third parameter, and the unit of third parameter is watt.Third
Parameter is the linear average of the reception power in multiple target OFDM symbols, and the target OFDM symbol occupies on frequency domain
Whole bandwidth of corresponding narrow-band, the multiple target OFDM symbol includes { the corresponding target of transmission quality in the time domain
At least one of the occupied OFDM symbol of running time-frequency resource, the OFDM symbol in respective objects time window }, the transmission quality
Corresponding target running time-frequency resource is located in the time domain except the respective objects time window.
As the sub- embodiment 1 of embodiment 7, the uplink signaling is physical layer signaling.
As the sub- embodiment 2 of embodiment 7, the first module 301 is also used to send downlink signaling, the downlink signaling configuration
K object time window, the K object time window are corresponding with the K transmission quality respectively.The downlink signaling is high-rise
Signaling.
As the sub- embodiment 3 of embodiment 7, the uplink signaling indicates the best transmission in the K transmission quality
Quality, the uplink signaling also indicate narrowband corresponding to the best transmission quality.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.UE in the present invention, common UE and ordinary terminal
Including but not limited to mobile phone, tablet computer, notebook, vehicular communication equipment, wireless sensor, the wireless communications such as card of surfing Internet are set
It is standby.Narrowband terminal in the present invention includes but is not limited to internet-of-things terminal, RFID terminal, NB-IOT terminal, MTC (Machine
Type Communication, machine type communication) terminal, eMTC (enhanced MTC, the MTC of enhancing) terminal, data card,
Card of surfing Internet, vehicular communication equipment, inexpensive mobile phone, the wireless telecom equipments such as inexpensive tablet computer.Base station packet in the present invention
Include but be not limited to macrocell base stations, microcell base station, Home eNodeB, the wireless telecom equipments such as relay base station.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (12)
1. a kind of method in UE for supporting narrow band communication, wherein include the following steps:
Step A. receives a wireless signal on a target running time-frequency resource；
Step B. determines a transmission quality according to one wireless signal；
Wherein, one target running time-frequency resource is located at a narrow-band on frequency domain, and the bandwidth of a narrow-band is a PRB
Bandwidth；The target running time-frequency resource be used to transmit specific information, and the specific information includes narrow band sync sequence and narrowband
Broadcast message；The UE can only receive wireless signal in a narrow-band in given time；The transmission quality and the first ginseng
Number is related, and the unit of the first parameter is watt；First parameter is RE included by the corresponding target running time-frequency resource of the transmission quality
In reception power linear average；Or first parameter be useful in the corresponding target running time-frequency resource of the transmission quality
The linear average of the reception power of signal, the useful signal is by the reception signal on multiple RE respectively multiplied by corresponding normalizing
Arithmetic average after the conjugation of the transmission signal of change and obtain；The narrow band sync sequence includes { Zadoff-Chu sequence, puppet
At least one of random sequence }；The carrying logic channel of the Narrowcasting information is BCCH.
2. a kind of method in base station for supporting narrow band communication, wherein include the following steps:
Step A. sends a specific information on a target running time-frequency resource；One specific information can be used for by UE
Determine a transmission quality；
Wherein, one target running time-frequency resource is located at a narrow-band on frequency domain, and the bandwidth of a narrow-band is a PRB
Bandwidth；The specific information includes narrow band sync sequence and Narrowcasting information；The transmission quality and the first relating to parameters,
The unit of first parameter is watt；First parameter is the reception in RE included by the corresponding target running time-frequency resource of the transmission quality
The linear average of power；Or first parameter be connecing for useful signal in the corresponding target running time-frequency resource of the transmission quality
The linear average of power is received, the useful signal is by the reception signal on multiple RE respectively multiplied by corresponding normalized transmission
Arithmetic average after the conjugation of signal and obtain；The narrow band sync sequence includes { Zadoff-Chu sequence, pseudorandom sequence
At least one of column }；The carrying logic channel of the Narrowcasting information is BCCH.
3. a kind of user equipment for supporting narrow band communication, wherein including following module:
First module: for receiving a wireless signal on a target running time-frequency resource
Second module: for determining a transmission quality according to one wireless signal；
Wherein, one target running time-frequency resource is located at a narrow-band on frequency domain, and the bandwidth of a narrow-band is a PRB
Bandwidth；The target running time-frequency resource be used to transmit specific information, and the specific information includes narrow band sync sequence and narrowband
Broadcast message；The UE can only receive wireless signal in a narrow-band in given time；The transmission quality and the first ginseng
Number is related, and the unit of the first parameter is watt；First parameter is RE included by the corresponding target running time-frequency resource of the transmission quality
In reception power linear average；Or first parameter be useful in the corresponding target running time-frequency resource of the transmission quality
The linear average of the reception power of signal, the useful signal is by the reception signal on multiple RE respectively multiplied by corresponding normalizing
Arithmetic average after the conjugation of the transmission signal of change and obtain；The narrow band sync sequence includes { Zadoff-Chu sequence, puppet
At least one of random sequence }；The carrying logic channel of the Narrowcasting information is BCCH.
4. user equipment according to claim 3 characterized by comprising
Third module: for sending uplink signaling, the uplink signaling indicates that at least one of one transmission quality passes
Transmission quality.
5. user equipment according to claim 3, which is characterized in that the specific information further includes cell common reference letter
Number.
6. user equipment according to claim 3, which is characterized in that the transmission quality and the second relating to parameters, second
Parameter is the first parameter divided by the resulting quotient of third parameter, and the unit of third parameter is watt；Third parameter is in multiple targets
The linear average of reception power in OFDM symbol, the target OFDM symbol occupy the whole of corresponding narrow-band on frequency domain
Bandwidth, the multiple target OFDM symbol include that { the corresponding target running time-frequency resource of transmission quality is occupied in the time domain
At least one of OFDM symbol, the OFDM symbol in respective objects time window }, the corresponding target time-frequency money of transmission quality
Source is located in the time domain except the respective objects time window.
7. user equipment according to claim 6, which is characterized in that first module receives downlink signaling, under described
One object time window of row signal deployment, one object time window and one transmission quality are corresponding.
8. a kind of base station equipment for supporting narrow band communication, wherein including following module:
First module: for sending a specific information on a target running time-frequency resource；One specific information can be by
UE is for determining a transmission quality；
Wherein, one target running time-frequency resource is located at a narrow-band on frequency domain, and the bandwidth of a narrow-band is a PRB
Bandwidth；The specific information includes narrow band sync sequence and Narrowcasting information；The transmission quality and the first relating to parameters,
The unit of first parameter is watt；First parameter is the reception in RE included by the corresponding target running time-frequency resource of the transmission quality
The linear average of power；Or first parameter be connecing for useful signal in the corresponding target running time-frequency resource of the transmission quality
The linear average of power is received, the useful signal is by the reception signal on multiple RE respectively multiplied by corresponding normalized transmission
Arithmetic average after the conjugation of signal and obtain；The narrow band sync sequence includes { Zadoff-Chu sequence, pseudorandom sequence
At least one of column }；The carrying logic channel of the Narrowcasting information is BCCH.
9. base station equipment according to claim 8 characterized by comprising
Third module: for receiving uplink signaling, the uplink signaling indicates that at least one of one transmission quality passes
Transmission quality.
10. base station equipment according to claim 8, which is characterized in that the specific information further includes cell common reference
Signal.
11. base station equipment according to claim 8, which is characterized in that the transmission quality and the second relating to parameters, second
Parameter is the first parameter divided by the resulting quotient of third parameter, and the unit of third parameter is watt；Third parameter is in multiple targets
The linear average of reception power in OFDM symbol, the target OFDM symbol occupy the whole of corresponding narrow-band on frequency domain
Bandwidth, the multiple target OFDM symbol include that { the corresponding target running time-frequency resource of transmission quality is occupied in the time domain
At least one of OFDM symbol, the OFDM symbol in respective objects time window }, the corresponding target time-frequency money of transmission quality
Source is located in the time domain except the respective objects time window.
12. base station equipment according to claim 11, which is characterized in that first module sends downlink signaling, described
Downlink signaling configures an object time window, and one object time window and one transmission quality are corresponding.
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| CN110086582A (en) * | 2018-01-26 | 2019-08-02 | 中兴通讯股份有限公司 | A kind of channel measuring method and system, the first communication node and the second communication node |
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| CN110099450A (en) | 2019-08-06 |
| CN106658717B (en) | 2019-09-10 |
| CN110099450B (en) | 2022-09-27 |
| CN110446218B (en) | 2023-03-24 |
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