CN106712913B - A kind of method and apparatus of narrow band communication - Google Patents
A kind of method and apparatus of narrow band communication Download PDFInfo
- Publication number
- CN106712913B CN106712913B CN201510777204.0A CN201510777204A CN106712913B CN 106712913 B CN106712913 B CN 106712913B CN 201510777204 A CN201510777204 A CN 201510777204A CN 106712913 B CN106712913 B CN 106712913B
- Authority
- CN
- China
- Prior art keywords
- narrowband
- group
- configuration information
- narrowband group
- narrowbands
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Abstract
The invention discloses a kind of method and apparatus of narrow band communication.Base station receives the configuration information of the K narrowband group from adjacent base station on X2 interface.The configuration information of K narrowband group includes the frequency information of the narrowband group.The configuration information of M narrowband group in K narrowband group is sent to UE by base station, the measurement for M narrowband group signal quality.UE chooses the N number of narrowband group for wherein meeting predefined conditions by M narrowband group of measurement, sends measurement report to base station, to be used for cell reselection and switching.The present invention is by way of designing new narrowband group configuration information and interacting and send between base station, improve speed and reliability that UE obtains the channel quality for the narrowband group that different base station configures, to guarantee that UE carries out the efficiency of narrowband group switching between base station, and then guarantee that narrow-band communication system for the inhibition of ambulant support and inter base station interference, improves the spectrum efficiency of system.
Description
Technical field
The present invention relates to the transmission plans in wireless communication system, more particularly to based on long term evolution (LTE-Long
Term Evolution) the synchronizing sequence of narrow band communication and the transmitting and receiving of broadcast message and design 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
With Internet of Things) this project be Release 13 by 3GPP project verification new Work Item, and in RAN1#89bis meeting
Begin to discuss.The technology will provide improved in-door covering, and by the network architecture of optimization, be supported largely with realizing with low
The work of the UE equipment of the features such as traffic low latency sensitivity, ultralow equipment cost, low equipment power dissipation.Technology point at present
It discusses, is respectively as follows: for three scenes
1. independent operation (Stand-alone operation): for example occupying current GERAN (GSM EDGE Radio
Access Network, GSM/EDGE wireless communication networks) bandwidth of system carries out narrow band communication, with substitute current one or
Multiple GSM (Global System for Mobile Communication, global system for mobile communications) carrier waves.
2. protection interval operates (Guard band operation): utilizing 3GPP LTE (Long-Term
Evolution, long term evolution) system carrier protection interval part in not used resource block carry out narrow band communication.
3. with interior operation (In-band operation): carrying out narrowband using the resource block in normal LTE system carrier wave
Communication.
In existing cellular network system, UE be guarantee can be normally carried out cell reselection (Cell Reselection) and
Cell switches (Handover), will do it RLM (Radio link Monitoring, Radio Link Detection) and RRM (Radio
Resource Management, wireless resource management) measurement.The measurement generally includes RSRP (Reference Signal
Received Power, Reference Signal Received Power) measurement and RSRQ (Reference Signal Received Quality,
Reference Signal Received Quality) measurement.By taking LTE (Long Term Evolution, long term evolution) as an example, RLM and RRM measurement can
It can be based on the CRS (Cell specific Reference Signal, cell reference signals) in system bandwidth, 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 introducing NB-IOT technology, it is exactly UE mobile management that one, which needs the problem of studying,
The problem of, it includes the cell reselections of UE and cell to switch two aspect problems.Existing LTE system, UE can be adjacent by detecting
The CRS of cell obtains the signal quality of neighboring community, and then by predefined criterion, judge whether to initiate cell reselection and
Cell switching flow.Especially in the case where serving cell and neighboring community are same frequency bands, UE can obtain multiple cells simultaneously
The PCID (Physical Cell Identification, Physical Cell Identifier) for synchronizing and detecting multiple cells, in turn
The PBCH of multiple cells is received to obtain the system bandwidth and System Frame Number of multiple cells, after completing the step, UE is examined
The necessary information of neighboring community CRS is surveyed, and then measurement structure is obtained by reference to the CRS of neighboring community.It can be found that the above step
In rapid, UE can obtain the CRS time-frequency location and symbol sequence of neighboring community under the additional information instruction for not needing serving BS
Column, and then the measurement of RSRP and RSRQ based on the CRS of neighboring community progress neighboring community.
NB-IOT system, a kind of direct design method, i.e., as traditional approach, by the detectability of UE itself,
The configuration information of neighboring community CRS or other public RS is obtained, and then enterprising in the narrowband that neighboring community provides NB-IOT service
The measurement of row RSRP and RSRQ.However, pass through the study found that due to NB-IOT UE RF capabilities limitation, the UE is same
Moment can only work on a PRB, be obtained completely by the detectability of UE itself same on the narrowband neighboring community NB-IOT
The configuration information of step sequence, broadcast message and CRS or other public RS, it will take a substantial amount of time and power.This for
NB-IOT mobile management and the low equipment cost of UE, low-power consumption requirement, all bring challenge.
In view of the above-mentioned problems, the present invention provides corresponding solutions.It should be noted that the case where not conflicting
Under, the feature in embodiment and embodiment in the UE (User Equipment, user equipment) of the application can be applied to base
In standing, vice versa.Further, in the absence of conflict, the feature in embodiments herein and embodiment can appoint
Meaning is combined with each other.
The invention discloses a kind of methods in base station for supporting narrowband wireless communication, wherein includes the following steps:
Step A. receives feeding back signaling, and the feeding back signaling includes K configuration information.
Wherein, the K configuration information is directed to K narrowband group respectively.Wherein, the narrowband group includes that positive integer is narrow
Band includes at least the first narrowband, the synchronizing sequence and broadcast letter of narrowband group described in first narrow band transmission in the narrowband group
Breath.The bandwidth of the narrowband is the bandwidth of a PRB.K and L is positive integer.The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
As one embodiment, two narrowband groups are included at least in K narrowband group, it is narrow in described two narrowband groups
The quantity of band is different.
As one embodiment, the configuration information of K narrowband group is the configuration information of adjacent base station narrowband group.
As one embodiment, i-th of narrowband group includes L in K narrowband groupiA narrowband, i are just no more than K
Integer.
As one embodiment, in K narrowband group, any two narrowband is nonoverlapping on frequency domain.
As one embodiment, K is equal to 1.
As one embodiment, LiEqual to 1, wherein i is the positive integer no more than K.
As one embodiment, the feeding back signaling is generated by base station.
As one embodiment, the feeding back signaling is used for the interaction of information between base station.
As one embodiment, the feeding back signaling transmits on S1 interface.
As one embodiment, the feeding back signaling direct-connected transmission between base station.A son as the embodiment is implemented
Example, the direct-connected transmission carry out on the optical fiber of connection base station.
As one embodiment, the bandwidth of one PRB is 180kHz.
As one embodiment, the same down-going synchronous is shared in the first narrowband and other narrowbands in one narrowband group
With reference to.
As one embodiment, the same broadcast letter is shared in the first narrowband and other narrowbands in one narrowband group
Breath.
As one embodiment, the synchronizing sequence is only sent on the first narrowband.
As one embodiment, the broadcast message is only sent on the first narrowband.
As one embodiment, the identification information of narrowband group be formation sequence used in narrowband group synchronizing sequence it is all can
Serial number in the formation sequence of choosing.As a sub- embodiment of the embodiment, the formation sequence includes { Zadoff-Chu sequence
At least one of column, pseudo-random sequence }.As a sub- embodiment of the embodiment, the identification information of the narrowband group is
The PCID of LTE carrier wave belonging to PRB where the narrowband group.
As one embodiment, the frequency information of the first narrowband is PRB where the first narrowband in the LTE in narrowband group
Serial number j in the system bandwidth of carrier wave, PRB number of downlink that the system bandwidth is included areThe j be less than
Nonnegative integer.
As one embodiment, the frequency information of the first narrowband is determined by following formula in narrowband group, wherein F1KHz
For the center frequency point of the first narrowband in the narrowband group, F kHz is a fixed frequency point, and the F is a predefined positive integer.Institute
State F1It can be divided exactly by Y with the difference of F.
Fd=(F1-F)/Y
As a sub- embodiment of the embodiment, the F kHz is a predefined center frequency point, indicates to provide NB-
The initiating searches center frequency point of the narrowband of IOT business.
As one embodiment, the frequency information of all narrowbands is the PRB in narrowband group, where each narrowband in narrowband group
Serial number m in the system bandwidth of entire LTE carrier wave, PRB number of downlink that the system bandwidth is included areThe m
For less thanNonnegative integer.Wherein, the PRB where each narrowband of narrowband group belongs to the system band of same LTE carrier wave
It is wide.
As one embodiment, the frequency information of all narrowbands is each narrow band center frequency point in narrowband group in narrowband group
Instruction, corresponding LiA positive integer { Di(1),Di(2),...,Di(Li)}.The Di(l) it is determined by following formula.
WhereinKHz is the center frequency point of first of narrowband in i-th of narrowband group, FiKHz is i-th of narrowband group
The center frequency point of middle the first narrowband for sending synchronizing sequence.With FiDifference can just divided exactly by 180.
As one embodiment, the broadcast message includes that { System Frame Number, system bandwidth, operational mode are kept for
The quantity of the OFDM symbol of PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel), it is double
At least one of work mode }.
As one embodiment, the broadcast message includes at least one of { cell ID, operator identifier }.
Specifically, according to an aspect of the present invention, which is characterized in that the feeding back signaling transmits on X2 interface.
Specifically, according to an aspect of the present invention, which is characterized in that the configuration information also include it is following at least it
One:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group；
As one embodiment, the public RS configuration information of the first narrowband includes at least one of in the narrowband group:
MBSFN (the Multimedia Broadcast multicast service of PRB where first narrowband
Single Frequency Network, multicast/multicast single-frequency network network) configuration, 1 bit is occupied, " 0 " states first narrowband
And without configuration MBMS (Multimedia Broadcast multicast service, multicast/multicast) on L available narrowbands
Business), " 1 " states and is configured with MBMS on first narrowband and L available narrowbands.
The public RS offset information of first narrowband, the offset information are that the LTE carrier wave where the first narrowband is corresponding
PCID (Physical Cell Identification, Physical Cell Identifier) value mould 6 remainder.As the embodiment
One sub- embodiment, pattern of the public RS inside a PRB pair are pattern of the CRS inside a PRB pair.
The antenna port number of the public RS configuration of first narrowband.It is described as a sub- embodiment of the embodiment
Pattern of the public RS inside a PRB pair is pattern of the CRS inside a PRB pair.
As one embodiment, the public RS configuration information of all narrowbands includes at least one of in the narrowband group:
In the narrowband group, MBSFN (the Multimedia Broadcast multicast of the PRB where each narrowband
Service Single Frequency Network, multicast/multicast single-frequency network network) it configures, 1 bit of occupancy, described in " 0 " statement
On first narrowband and L available narrowbands without configuration MBMS (Multimedia Broadcast multicast service, it is more
Broadcast/multicast) business), " 1 " states and is configured with MBMS on first narrowband and L available narrowbands.
In the narrowband group, the public RS offset information of each narrowband, where the offset information is each narrowband
The remainder of the value mould 6 of the corresponding PCID of LTE carrier wave (Physical Cell Identification, Physical Cell Identifier).Make
For a sub- embodiment of the embodiment, pattern of the public RS inside a PRB pair is CRS inside a PRB pair
Pattern.
In the narrowband group, the port number of the public RS of each narrowband.As a sub- embodiment of the embodiment, institute
Stating pattern of the public RS inside a PRB pair is pattern of the CRS inside a PRB pair.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A1. sends M configuration information, and the M configuration information is directed to M narrowband group.Wherein, the M configuration
Information is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.In the M configuration information at least
One configuration information is for the cell except the serving cell of the UE.
As one embodiment, M is equal to K.And M narrowband group is identical with K narrowband group.
As one embodiment, M narrowband group is that this base station and adjacent base station are configured to the narrow of NB-IOT business jointly
Band group.
As one embodiment, M narrowband group is the narrowband group in K narrowband group by smaller neighbor cell interference.
As one embodiment, M narrowband group is the lesser narrowband group of this load of base station.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step B. receives N number of measurement report, and N number of measurement report is based on the measurement institute in N number of narrowband group respectively
It obtains.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.Wherein, first operation be
It receives.
As one embodiment, N number of narrowband group is to meet predefined measurement report trigger condition in M narrowband group
Narrowband group.
As one embodiment, the N is equal to the M.
As one embodiment, the measurement report includes at least one of:
The identification information of corresponding narrowband group；
The frequency information of first narrowband in corresponding narrowband group；
The frequency information of all narrowbands in corresponding narrowband group；
The corresponding case index of trigger condition that corresponding narrowband group meets；
First parameter of corresponding narrowband group；
Second parameter of corresponding narrowband group；
The third parameter of corresponding narrowband group；
4th parameter of corresponding narrowband group；
As a sub- embodiment of the embodiment, the case index includes the index of following at least one of event, institute
Stating predefined measurement report trigger condition is that one of at least following event occurs:
■ event E1: the first parameter or third parameter of target narrowband group are greater than predefined threshold value.Specifically, target is narrow
It is dBm that the first parameter with group, which is greater than predefined threshold value and the unit of predefined threshold value,；Or the third ginseng of target narrowband group
It is dB that number, which is greater than predefined threshold value and the unit of predefined threshold value,.The target narrowband group is current service narrowband group.
■ event E2: the second parameter or the 4th parameter of target narrowband group are greater than predefined threshold value.Specifically, target is narrow
The unit for being greater than predefined threshold value and predefined threshold value with the second parameter of group is dBm；Or the 4th parameter of target narrowband group
It is dB greater than the unit of predefined threshold value and predefined threshold value.The target narrowband group is current service narrowband group.
■ event E3: the first parameter or third parameter of target narrowband group are less than predefined threshold value.Specifically, target is narrow
It is dBm that the first parameter with group, which is less than predefined threshold value and the unit of predefined threshold value,；Or the third ginseng of target narrowband group
It is dB that number, which is less than predefined threshold value and the unit of predefined threshold value,.The target narrowband group is current service narrowband group.
■ event E4: the second parameter or the 4th parameter of target narrowband group are less than predefined threshold value.Specifically, target is narrow
The unit for being less than predefined threshold value and predefined threshold value with the second parameter of group is dBm；Or the 4th parameter of target narrowband group is small
In the unit of predefined threshold value and predefined threshold value be dB.The target narrowband group is current service narrowband group.
■ event E5: the first parameter or third parameter of target narrowband group are greater than predefined threshold value.Specifically, the first ginseng
It is dBm that number, which is greater than predefined threshold value and the unit of predefined threshold value,；Or third parameter is greater than predefined threshold value and makes a reservation for
The unit of adopted threshold value is dB.The target narrowband group is any one narrowband group in K narrowband group, described to match confidence
Breath transmits in current service narrowband group.Specifically, as a subordinate embodiment, in the target narrowband group, at least
There is the centre frequency of all narrowbands in the centre frequency and current service narrowband group of a narrowband to be all different.Specifically, conduct
The centre frequency of all narrowbands is all the same in one subordinate embodiment, the target narrowband group and current service narrowband group.
■ event E6: the second parameter or the 4th parameter of target narrowband group are greater than predefined threshold value.Specifically, the second ginseng
It is dBm that number, which is greater than predefined threshold value and the unit of predefined threshold value,；Or the 4th parameter be greater than predefined threshold value and predetermined
The unit of adopted threshold value is dB.The target narrowband group is any one narrowband group in K narrowband group, described to match confidence
Breath transmits in current service narrowband group.Specifically, as a subordinate embodiment, in the target narrowband group, at least
There is the centre frequency of all narrowbands in the centre frequency and current service narrowband group of a narrowband to be all different.Specifically, conduct
The centre frequency of all narrowbands is all the same in one subordinate embodiment, the target narrowband group and current service narrowband group.
■ event E7: the first parameter or third parameter of current service narrowband group be less than target narrowband group the first parameter or
Third parameter.Specifically, the first parameter of current service narrowband group is less than the first parameter of target narrowband group；Or current service is narrow
Third parameter with group is less than the third parameter of target narrowband group.The target narrowband group is any in K narrowband group
One narrowband group, the configuration information transmit in current service narrowband group.Specifically, as a subordinate embodiment,
In the target narrowband group, the centre frequency of all narrowbands in the centre frequency and current service narrowband group of at least one narrowband
It is all different.Specifically, as a subordinate embodiment, all narrowbands in the target narrowband group and current service narrowband group
Centre frequency is all the same.
■ event E8: the second parameter or the 4th parameter of current service narrowband group be less than target narrowband group the second parameter or
4th parameter.Specifically, the second parameter of current service narrowband group is less than the second parameter of target narrowband group；Or current service is narrow
The 4th parameter with group is less than the 4th parameter of Target cell narrowband group.The target narrowband group is in K narrowband group
Any one narrowband group, the configuration information transmit in current service narrowband group.Specifically, implementing as a subordinate
, in the target narrowband group, the center of all narrowbands in the centre frequency and current service narrowband group of at least one narrowband
Frequency is all different.Specifically, as a subordinate embodiment, it is all narrow in the target narrowband group and current service narrowband group
The centre frequency of band is all the same.
■ event E9: the second parameter or the 4th parameter of current service narrowband group and the first offset or the second offset
With the second parameter or the 4th parameter for being less than target narrowband group；And the first parameter or third parameter of current service narrowband group are less than
The first parameter or third parameter of target narrowband group.First offset is that predefined or system configuration parameter, unit are
dBm.Second offset is that predefined or system configuration parameter, unit are dB.Specifically, the second of current service narrowband group
Parameter and the first offset and the second parameter less than target narrowband group, and the first parameter of current service narrowband group is less than target
First parameter of narrowband group；Or the 4th parameter of current service narrowband group is with the second offset and less than the 4th of target narrowband group
Parameter, and the third parameter of current service narrowband group is less than the third parameter of target narrowband group.The target narrowband group is the K
Any one narrowband group in a narrowband group, the configuration information transmit in current service narrowband group.Specifically, conduct
One subordinate embodiment, in the target narrowband group, institute in the centre frequency and current service narrowband group of at least one narrowband
There is the centre frequency of narrowband to be all different.Specifically, the target narrowband group and current service are narrow as a subordinate embodiment
Centre frequency with narrowbands all in group is all the same.
As a sub- embodiment of the embodiment, first parameter is the narrowband group LiA target running time-frequency resource institute
Including RE (Resource Element, resource particle) in reception power linear average (unit is watt) corresponding to
Decibel value, the unit of the first parameter are dBm.The LiSpecific information, the specific letter are sent on a target running time-frequency resource respectively
Breath includes at least public RS in { public RS, synchronizing sequence }.The LiA target running time-frequency resource is on frequency domain respectively in LiIt is a narrow
It takes.The UE can only receive specific information, the L in given time on a narrowbandiMore than or equal to 1.Specifically, conduct
One embodiment, pattern of the public RS inside a PRB pair are pattern of the CRS inside a PRB pair.
As a sub- embodiment of the embodiment, second parameter is P mesh in the first narrowband in the narrowband group
Decibel value corresponding to the linear average of the reception power of RE included by running time-frequency resource is marked, the unit of the second parameter is dBm.
The P target running time-frequency resource is respectively used to send specific information, and the specific information includes in { public RS, synchronizing sequence }
At least public RS.The UE can only receive specific information in given time on a narrowband, and the P is more than or equal to 1.Specifically
, as one embodiment, pattern of the public RS inside a PRB pair is pattern of the CRS inside a PRB pair.
As a sub- embodiment of the embodiment, it is resulting that the third parameter is that the first parameter subtracts the 5th parameter
The unit of difference, the 5th parameter is dBm.5th parameter is the linear average of the reception power in multiple target OFDM symbols
Decibel value corresponding to (unit is watt), a target OFDM symbol occupy whole bandwidth an of narrowband on frequency domain,
The multiple target OFDM symbol is distributed on some or all narrowbands of each narrowband group on frequency domain, the multiple OFDM symbol
It number is not overlapped mutually in the time domain.As a sub- embodiment, the multiple target OFDM symbol belongs to L in the narrowband groupi
The PRB pair that a target running time-frequency resource occupies.As a sub- embodiment, the multiple target OFDM symbol is in the narrowband group
LiAll OFDM symbols in PRB that a target running time-frequency resource occupies.
As a sub- embodiment of the embodiment, it is resulting that the 4th parameter is that the second parameter subtracts the 6th parameter
The unit of difference, the 6th parameter is dBm.6th parameter is the linear average of the reception power in multiple target OFDM symbols,
One target OFDM symbol occupies whole bandwidth of the first narrowband on frequency domain, and the multiple target OFDM symbol is in frequency domain
On be distributed on the first narrowband, the multiple OFDM symbol is not overlapped mutually in the time domain.It is described more as a sub- embodiment
A target OFDM symbol belongs to the PRB pair that P target running time-frequency resource occupies in the narrowband group.As a sub- embodiment, institute
Stating multiple target OFDM symbols is all OFDM symbols in the narrowband group in the PRB of P target running time-frequency resource occupancy.
The invention discloses a kind of methods in base station for supporting narrowband wireless communication, wherein includes the following steps:
Step A. sends feeding back signaling, sends feeding back signaling, the feeding back signaling includes K configuration information.
Wherein, the K configuration information is directed to K narrowband group respectively.Wherein, the narrowband group includes that positive integer is narrow
Band includes at least the first narrowband, the synchronizing sequence and broadcast letter of narrowband group described in first narrow band transmission in the narrowband group
Breath.The bandwidth of the narrowband is the bandwidth of a PRB.K and L is positive integer.The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
Specifically, according to an aspect of the present invention, which is characterized in that the feeding back signaling transmits on X2 interface.
Specifically, according to an aspect of the present invention, which is characterized in that the configuration information also include it is following at least it
One:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group；
The invention discloses a kind of methods in UE for supporting narrowband wireless communication, wherein includes the following steps:
Step A. receives M configuration information, and the M configuration information is directed to M narrowband group.Wherein, the M configuration
Information is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.In the M configuration information at least
One configuration information is for the cell except the serving cell of the UE.
Step A1. carries out the measurement of signal quality according to M configuration information in M narrowband group.
As one embodiment, the measurement of the signal quality be obtained in M narrowband group the first parameter, the
At least one of two parameters, third parameter, the 4th parameter }.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step B. sends N number of measurement report, and N number of measurement report is based on the measurement institute in N number of narrowband group respectively
It obtains.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.
As one embodiment, the measurement report includes at least one of:
The identification information of corresponding narrowband group；
The frequency information of first narrowband in corresponding narrowband group；
The frequency information of all narrowbands in corresponding narrowband group；
The corresponding case index of trigger condition that corresponding narrowband group meets；
First parameter of corresponding narrowband group；
Second parameter of corresponding narrowband group；
The third parameter of corresponding narrowband group；
4th parameter of corresponding narrowband group；
Traditional LTE system, UE can obtain the signal quality of neighboring community by detecting the CRS of neighboring community, in turn
By predefined criterion, judge whether to initiate cell reselection and cell switching flow.Especially in serving cell and neighboring community
In the case where being same frequency band, UE can obtain the PCID (Physical for synchronizing and detecting multiple cells of multiple cells simultaneously
Cell Identification, Physical Cell Identifier), and then receive system of the PBCH of multiple cells to obtain multiple cells
Bandwidth and System Frame Number.By above step, UE can be obtained adjacent small under the additional information instruction for not needing serving BS
The CRS time-frequency location and symbol sebolic addressing in area, and then the measurement of RSRP and RSRQ based on CRS progress neighboring community.
NB-IOT system, if, by the detectability of UE itself, obtaining neighboring community CRS still as traditional approach
Or the configuration information of other public RS, and then carry out carrying out RSRP and RSRQ on the narrowband that neighboring community provides NB-IOT service
Measurement.Due to the limitation of NB-IOT UE RF capabilities, the UE can only work in synchronization on a PRB, completely logical
Cross synchronizing sequence, broadcast message and the CRS or other public affairs on the detectability acquisition narrowband neighboring community NB-IOT of UE itself
The configuration information of total RS, it will take a substantial amount of time and power.This for NB-IOT mobile management and the low equipment of UE at
This, low-power consumption requirement, all bring challenges.
Essence of the invention is exactly the interaction that narrowband configures between passing through adjacent base station, will be required for neighboring community's narrow band detection
Configuration information user is sent to by serving BS, and then simplify UE and search for neighboring cell synchronization sequence, broadcast message and public affairs
The process of total RS configuration information accelerates UE and obtains the speed of RLM and RRM measurement result, and UE is effectively reduced and needs in the measurements
The power consumption paid.
Another speciality of the invention is to define a variety of measurement report trigger conditions for NB-IOT system, with suitable
Answer the demand of NB-IOT system Yu the different mobile management of LTE system.
The invention discloses a kind of base station equipments for supporting narrowband wireless communication, which is characterized in that the equipment includes:
- the first module: the first operation feeding back signaling, the feeding back signaling includes K configuration information.
Wherein, the K configuration information is directed to K narrowband group respectively.Wherein, the narrowband group includes that positive integer is narrow
Band includes at least the first narrowband, the synchronizing sequence and broadcast letter of narrowband group described in first narrow band transmission in the narrowband group
Breath.The bandwidth of the narrowband is the bandwidth of a PRB.K and L is positive integer.The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
- the second module: sending M configuration information, and the M configuration information is directed to M narrowband group.Wherein, match for the M
Confidence is ceased to be sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.In the M configuration information at least
There is a configuration information for the cell except the serving cell of the UE.
Specifically, according to an aspect of the present invention, which is characterized in that the feeding back signaling transmits on X2 interface.
Specifically, according to an aspect of the present invention, which is characterized in that the base station equipment further include:
Third module: receiving N number of measurement report, and N number of measurement report is based on the survey in N number of narrowband group respectively
It measures obtained.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.
Wherein, the first operation is to receive.
Specifically, according to an aspect of the present invention, which is characterized in that the configuration information also include it is following at least it
One:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group；
The invention discloses a kind of UE equipment for supporting narrowband wireless communication, which is characterized in that the equipment includes:
- the first module: receiving M configuration information, and the M configuration information is directed to M narrowband group.Wherein, match for the M
Confidence is ceased to be sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.In the M configuration information at least
There is a configuration information for the cell except the serving cell of the UE.
Wherein, the K configuration information is directed to K narrowband group respectively.Wherein, the narrowband group includes that positive integer is narrow
Band includes at least the first narrowband, the synchronizing sequence and broadcast letter of narrowband group described in first narrow band transmission in the narrowband group
Breath.The bandwidth of the narrowband is the bandwidth of a PRB.K and L is positive integer.The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
- the second module: according to M configuration information, the measurement of signal quality is carried out in M narrowband group.
Specifically, according to an aspect of the present invention, which is characterized in that the UE equipment further include:
Third module: sending N number of measurement report, and N number of measurement report is based on the survey in N number of narrowband group respectively
It measures obtained.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.
Specifically, according to an aspect of the present invention, which is characterized in that the configuration information also include it is following at least it
One:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group；
Compared to existing public technology, the present invention has following technical advantage:
Interaction narrowband configuration information between the base station-, then narrowband configuration information in neighboring community is sent to UE by serving BS,
Accelerate UE and obtain RLM and RRM measurement result, reduces UE because of the big power consumption of the measurement bring.
- defines a variety of measurement report trigger conditions for NB-IOT system, to adapt to the demand of NB-IOT system.
- defines a variety of acquisition RLM and RRM and measures corresponding running time-frequency resource group, to reduce required for obtaining measurement result
Time.
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 a transmission according to the present invention and received embodiment；
Fig. 2 shows the schematic diagrames of the embodiment of a narrowband group according to the present invention distribution；
The schematic diagram that Fig. 3 shows one according to the present invention measurement based on X2 interface and reports；
Fig. 4 shows L referenced by first parameter of an acquisition according to the present inventioniThe signal of a target running time-frequency resource
Figure；
Fig. 5 shows the one according to the present invention schematic diagram for obtaining P target running time-frequency resource referenced by the second parameter；
Fig. 6 shows the target OFDM symbol inside the PRB pair that a target running time-frequency resource according to the present invention occupies
Schematic diagram；
Fig. 7 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention；
Fig. 8 shows the structural block diagram of the processing unit in UE 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 a transmission of the invention according to the present invention and received embodiment, such as attached
Shown in Fig. 1.In attached drawing 1, base station N1 is the adjacent base station of the serving cell of UE U3, and base station N2 is the dimension of the serving cell of UE U3
Hold base station.
For base station N1, feeding back signaling is sent in a step 11, and the feeding back signaling includes K configuration information.
Wherein, the K configuration information is directed to K narrowband group respectively.Wherein, the narrowband group includes that positive integer is narrow
Band includes at least the first narrowband, the synchronizing sequence and broadcast letter of narrowband group described in first narrow band transmission in the narrowband group
Breath.The bandwidth of the narrowband is the bandwidth of a PRB.K and L is positive integer.The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
As one embodiment, two narrowband groups are included at least in K narrowband group, it is narrow in described two narrowband groups
The quantity of band is different.
As one embodiment, the configuration information of K narrowband group is the configuration information of adjacent base station narrowband group.
As one embodiment, i-th of narrowband group includes L in K narrowband groupiA narrowband, i are just no more than K
Integer.
As one embodiment, in K narrowband group, any two narrowband is nonoverlapping on frequency domain.
As one embodiment, K is equal to 1.
As one embodiment, LiEqual to 1, wherein i is the positive integer no more than K.
As one embodiment, the feeding back signaling is generated by base station.
As one embodiment, the feeding back signaling is used for the interaction of information between base station.
As one embodiment, the feeding back signaling transmits on S1 interface.
As one embodiment, the feeding back signaling direct-connected transmission between base station.A son as the embodiment is implemented
Example, the direct-connected transmission carry out on the optical fiber between base station.
As one embodiment, the bandwidth of one PRB is 180kHz.
As one embodiment, the first narrowband in one narrowband group and to share the same downlink with other narrowbands same
Step reference.
As one embodiment, the first narrowband in one narrowband group and the same broadcast is shared with other narrowbands believe
Breath.
As one embodiment, the synchronizing sequence is only sent on the first narrowband.
As one embodiment, the broadcast message is only sent on the first narrowband.
As one embodiment, the identification information of narrowband group be formation sequence used in narrowband group synchronizing sequence it is all can
Serial number in the formation sequence of choosing.As a sub- embodiment of the embodiment, the formation sequence includes { Zadoff-Chu sequence
At least one of column, pseudo-random sequence }.As a sub- embodiment of the embodiment, the identification information of the narrowband group is
The PCID of LTE carrier wave belonging to PRB where the narrowband group.
As one embodiment, the frequency information of the first narrowband is PRB where the first narrowband in the LTE in narrowband group
Serial number j in the system bandwidth of carrier wave, PRB number of downlink that the system bandwidth is included areThe j be less than
Nonnegative integer.
As one embodiment, the frequency information of the first narrowband is determined by following formula in narrowband group, wherein F1KHz
For the center frequency point of the first narrowband in the narrowband group, F kHz is a fixed frequency point, and the F is a predefined positive integer.Institute
State F1It can be divided exactly by Y with the difference of F.
Fd=(F1-F)/Y
As a sub- embodiment of the embodiment, the F kHz is a predefined center frequency point, indicates to provide NB-
The initiating searches center frequency point of the narrowband of IOT business.
As one embodiment, the frequency information of all narrowbands is the PRB in narrowband group, where each narrowband in narrowband group
Serial number m in the system bandwidth of entire LTE carrier wave, PRB number of downlink that the system bandwidth is included areThe m
For less thanNonnegative integer.Wherein, the PRB where each narrowband of narrowband group belongs to the system band of same LTE carrier wave
It is wide.
As one embodiment, the frequency information of all narrowbands is each narrow band center frequency point in narrowband group in narrowband group
Instruction, corresponding LiA positive integer { Di(1),Di(2),...,Di(Li)}.The Di(l) it is determined by following formula.
WhereinKHz is the center frequency point of first of narrowband in i-th of narrowband group,KHz is i-th of narrowband
The center frequency point of the first narrowband of synchronizing sequence is sent in group.WithDifference can just divided exactly by 180.
As one embodiment, the broadcast message includes that { System Frame Number, system bandwidth, operational mode are kept for
The quantity of the OFDM symbol of PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel), it is double
At least one of work mode }.
As one embodiment, the broadcast message includes at least one of { cell ID, operator identifier }.
As one embodiment, the configuration information also includes at least one of:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group；
As a sub- embodiment, in the narrowband group the public RS configuration information of the first narrowband include it is following at least it
One:
MBSFN (the Multimedia Broadcast multicast service of PRB where first narrowband
Single Frequency Network, multicast/multicast single-frequency network network) configuration, 1 bit is occupied, " 0 " states first narrowband
And without configuration MBMS (Multimedia Broadcast multicast service, multicast/multicast) on L available narrowbands
Business), " 1 " states and is configured with MBMS on first narrowband and L available narrowbands.
The public RS offset information of first narrowband, the offset information are that the LTE carrier wave where the first narrowband is corresponding
PCID (Physical Cell Identification, Physical Cell Identifier) value mould 6 remainder.As the embodiment
One sub- embodiment, pattern of the public RS inside a PRB pair are pattern of the CRS inside a PRB pair.
The antenna port number of the public RS configuration of first narrowband.It is described as a sub- embodiment of the embodiment
Pattern of the public RS inside a PRB pair is pattern of the CRS inside a PRB pair.
As a sub- embodiment, in the narrowband group the public RS configuration information of all narrowbands include it is following at least it
One:
In the narrowband group, MBSFN (the Multimedia Broadcast multicast of the PRB where each narrowband
Service Single Frequency Network, multicast/multicast single-frequency network network) it configures, 1 bit of occupancy, described in " 0 " statement
On first narrowband and L available narrowbands without configuration MBMS (Multimedia Broadcast multicast service, it is more
Broadcast/multicast) business), " 1 " states and is configured with MBMS on first narrowband and L available narrowbands.
In the narrowband group, the public RS offset information of each narrowband, the offset information is the LT where each narrowband
The remainder of the value mould 6 of the corresponding PCID of carrier wave (Physical Cell Identification, Physical Cell Identifier).As this
One sub- embodiment of embodiment, pattern of the public RS inside a PRB pair are figure of the CRS inside a PRB pair
Case.
In the narrowband group, the port number of the public RS of each narrowband.As a sub- embodiment of the embodiment, institute
Stating pattern of the public RS inside a PRB pair is pattern of the CRS inside a PRB pair.
For base station N2, feeding back signaling is received in step 21, the feeding back signaling includes K configuration information.
For base station N2, M configuration information is sent in step 22, and the M configuration information is directed to M narrowband
Group.Wherein, the M configuration information is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.It is described
At least one configuration information is for the cell except the serving cell of the UE in M configuration information.
As one embodiment, M is equal to K.And M narrowband group is identical with K narrowband group.
As one embodiment, M narrowband group is that this base station and adjacent base station are configured to the narrow of NB-IOT business jointly
Band group.
As one embodiment, M narrowband group is the narrowband group in K narrowband group by smaller neighbor cell interference.
As one embodiment, M narrowband group is the lesser narrowband group of this load of base station.
For UE U3, M configuration information is received in step S31, the M configuration information is directed to M narrowband group.Its
In, the M configuration information is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.The M are matched
At least one configuration information is for the cell except the serving cell of the UE in confidence breath.
For UE U3, in step s 32 according to M configuration information, the measurement of signal quality is carried out in M narrowband group.
As one embodiment, the measurement of the signal quality is that { the first parameter, the second ginseng are obtained in the narrowband group
At least one of number, third parameter, the 4th parameter }.
For UE U3, in step S33, N number of measurement report is sent, N number of measurement report is based on N number of respectively
Measurement in narrowband group is obtained.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.
As one embodiment, N number of narrowband group is to meet predefined measurement report trigger condition in M narrowband group
Narrowband group.
As one embodiment, the measurement report includes at least one of:
The identification information of corresponding narrowband group；
The frequency information of first narrowband in corresponding narrowband group；
The frequency information of all narrowbands in corresponding narrowband group；
The corresponding case index of trigger condition that corresponding narrowband group meets；
First parameter of corresponding narrowband group；
Second parameter of corresponding narrowband group；
The third parameter of corresponding narrowband group；
4th parameter of corresponding narrowband group；
For base station N2, N number of measurement report is received in step S23, N number of measurement report is based on N number of respectively
Measurement in narrowband group is obtained.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.
Wherein, the first operation is to receive.
Embodiment 2
Embodiment 2 illustrates the schematic diagram of the embodiment of narrowband group distribution according to the present invention.As shown in Fig. 2,
K narrowband group is configured on the system carrier of a LTE carrier wave, each narrowband group includes LiA narrowband, i are no more than K's
Positive integer.The LiA narrowband is continuous or discrete on frequency domain.There is first narrowband in the narrowband group, it is described
At least synchronizing sequence in { synchronizing sequence, the broadcast message } of the first narrow band transmission narrowband group.It is each narrow in K narrowband group
Sharing with the narrowband except the first narrowband and the first narrowband in group with the first narrowband is the synchronization referred to.In K narrowband group, often
Share same broadcast message in all narrowbands in a narrowband group.
Embodiment 3
The schematic diagram that embodiment 3 illustrates one according to the present invention measurement based on X2 interface and reports.Such as 3 institute of attached drawing
Show.In attached drawing 3, the maintained cell in base station 10 is the current service cell of UE 30, and the maintained cell in base station 20 is adjacent small
Area.
In step 2_1, the configuration information for the K narrowband group that base station 10 configures is sent to base by X2 interface by base station 10
Stand 20.
In step 1_3, the configuration information of M narrowband group is sent to UE 30 by base station 20.Wherein, match confidence for the M
Breath is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.At least one in the M configuration information
A configuration information is for the cell except the serving cell of the UE.
In step 3_1, the measurement report of N number of narrowband group is sent to base station 20 by UE 30.N number of narrowband group is institute
State the subset of M narrowband group.N is no more than the positive integer of M.
Embodiment 4
Embodiment 4 illustrates L referenced by first parameter of an acquisition according to the present inventioniA target running time-frequency resource shows
It is intended to.As shown in Fig. 4, the PRB pair that oblique line mark target running time-frequency resource occupies.In embodiment 4, the LiA target time-frequency money
Source is mutual nonoverlapping, the L in the time domainiA occupied PRB pair of target running time-frequency resource is respectively by (1), (2) ...,
(Li) instruction.
Embodiment 5
Embodiment 5 illustrates one according to the present invention and obtains showing for P target running time-frequency resource referenced by the second parameter
It is intended to.As shown in Fig. 5, the PRB pair that oblique line mark target running time-frequency resource occupies.In embodiment 5, the P target time-frequency money
Source be in the time domain mutually it is nonoverlapping, the occupied PRB pair of P target running time-frequency resource is respectively by (1), (2) ..., (P)
Instruction.
Embodiment 6
Embodiment 6 illustrates the schematic diagram of the target OFDM symbol inside the PRB pair of target running time-frequency resource occupancy, such as
Shown in attached drawing 6.In attached drawing 6, the lattice of cross spider mark is the RE for keeping for PDCCH, and the lattice of grey filling is target
The occupied RE of running time-frequency resource, the pane of bold box mark are the target OFDM symbols in the present invention.In embodiment 6, this hair
The multiple target OFDM symbol in bright is distributed in multiple PRB pairs, wherein the target OFDM symbol in each PRB pair is located at
On the same narrowband.Target OFDM symbol does not include keeping for the RE of PDCCH.
Embodiment 7
Embodiment 7 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention.It is such as attached
Shown in Fig. 7.In attached drawing 7, base station processing unit 200 is mainly by 201 second module 202 of the first module and 203 groups of third module
At.
- the first module 201: the first operates feeding back signaling, and the feeding back signaling includes K configuration information.
Wherein, the K configuration information is directed to K narrowband group respectively.Wherein, the narrowband group includes that positive integer is narrow
Band includes at least the first narrowband, the synchronizing sequence and broadcast letter of narrowband group described in first narrow band transmission in the narrowband group
Breath.The bandwidth of the narrowband is the bandwidth of a PRB.K and L is positive integer.The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
- the second module 202: sending M configuration information, and the M configuration information is directed to M narrowband group.Wherein, the M
A configuration information is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.In the M configuration information
At least one configuration information is for the cell except the serving cell of the UE.
Third module 203: receiving N number of measurement report, and N number of measurement report is based in N number of narrowband group respectively
It measures obtained.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.Wherein, first
Operation is to receive.
As one embodiment, the feeding back signaling transmits on X2 interface.
As one embodiment, LTE carrier wave belonging to PRB of the identification information of the narrowband group where the narrowband group
PCID.
As one embodiment, the measurement report of N number of narrowband group only includes the identification information of N number of narrowband group.
Embodiment 8
Embodiment 8 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention.Such as attached drawing 8
It is shown.In attached drawing 8, UE processing unit 300 is mainly made of the first module 301, the second module 302 and third module 303.
- the first module 301: receiving M configuration information, and the M configuration information is directed to M narrowband group.Wherein, the M
A configuration information is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband.In the M configuration information
At least one configuration information is for the cell except the serving cell of the UE.
Wherein, the K configuration information is directed to K narrowband group respectively.Wherein, the narrowband group includes that positive integer is narrow
Band includes at least the first narrowband, the synchronizing sequence and broadcast letter of narrowband group described in first narrow band transmission in the narrowband group
Breath.The bandwidth of the narrowband is the bandwidth of a PRB.K and L is positive integer.The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
- the second module 302: according to M configuration information, the measurement of signal quality is carried out in M narrowband group.
Third module 303: sending N number of measurement report, and N number of measurement report is based in N number of narrowband group respectively
It measures obtained.N number of narrowband group is the subset of M narrowband group.N is no more than the positive integer of M.
As one embodiment, the feeding back signaling transmits on X2 interface.
As one embodiment, LTE carrier wave belonging to PRB of the identification information of the narrowband group where the narrowband group
PCID.
As one embodiment, the measurement report of N number of narrowband group only includes the identification information of N number of narrowband group.
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 includes but is not limited to RFID,
Internet-of-things terminal equipment, MTC (Machine Type Communication, machine type communication) terminal, vehicular communication equipment,
Wireless sensor, card of surfing Internet, mobile phone, tablet computer, the wireless telecom equipments such as notebook.Base station in the present invention includes but unlimited
In 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 (17)
1. a kind of method in base station for supporting narrow band communication, wherein include the following steps:
Step A. receives feeding back signaling, and the feeding back signaling includes K configuration information；
Wherein, the K configuration information is directed to K narrowband group respectively；Wherein, the narrowband group includes positive integer narrowband, institute
Stating includes at least the first narrowband in narrowband group, the synchronizing sequence and broadcast message of narrowband group described in first narrow band transmission；Institute
The bandwidth for stating narrowband is the bandwidth of a PRB；K and L is positive integer；First narrowband in the narrowband group is narrow with other
Band shares the same down-going synchronous reference, and the synchronizing sequence is only sent on first narrowband；Institute in the narrowband group
It states the first narrowband and the same broadcast message is shared in other narrowbands, the broadcast message is only sent on first narrowband；Institute
Stating configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group.
2. the method according to claim 1, wherein the feeding back signaling transmits on X2 interface.
3. the method according to claim 1, wherein the configuration information also includes at least one of:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group.
4. the method according to claim 1, wherein the step A further includes following steps:
Step A1. sends M configuration information, and the M configuration information is directed to M narrowband group；Wherein, the M configuration information
It is sent by the serving cell of the recipient of the M configuration information, the narrowband group includes positive integer narrowband；The M are matched
At least one configuration information is for the cell except the serving cell of the recipient of the M configuration information in confidence breath.
5. according to the method described in claim 4, it is characterized in that, the step A further includes following steps:
Step B. receives N number of measurement report, and N number of measurement report is based on obtained by the measurement in N number of narrowband group respectively
's；N number of narrowband group is the subset of M narrowband group；N is no more than the positive integer of M.
6. a kind of method in base station for supporting narrow band communication, wherein include the following steps:
Step A0. sends feeding back signaling, and the feeding back signaling includes K configuration information；
Wherein, the K configuration information is directed to K narrowband group respectively；Wherein, the narrowband group includes positive integer narrowband, institute
Stating includes at least the first narrowband in narrowband group, the synchronizing sequence and broadcast message of narrowband group described in first narrow band transmission；Institute
The bandwidth for stating narrowband is the bandwidth of a PRB；K and L is positive integer；First narrowband in the narrowband group is narrow with other
Band shares the same down-going synchronous reference, and the synchronizing sequence is only sent on first narrowband；Institute in the narrowband group
It states the first narrowband and the same broadcast message is shared in other narrowbands, the broadcast message is only sent on first narrowband；Institute
Stating configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group.
7. according to the method described in claim 6, it is characterized in that, the feeding back signaling transmits on X2 interface.
8. according to the method described in claim 6, it is characterized in that, the configuration information also includes at least one of:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group.
9. a kind of method in UE for supporting narrow band communication, wherein include the following steps:
Step A. receives M configuration information, and the M configuration information is directed to M narrowband group；Wherein, the M configuration information
It is sent by the serving cell of the UE, the narrowband group includes positive integer narrowband；Narrowband group is same described in first narrow band transmission
Step sequence and broadcast message；The same down-going synchronous reference is shared in first narrowband and other narrowbands in the narrowband group,
The synchronizing sequence is only sent on first narrowband；First narrowband and other narrowbands in the narrowband group is shared same
One broadcast message, the broadcast message are only sent on first narrowband；At least one in the M configuration information is matched
Confidence breath is for the cell except the serving cell of the UE；
Step A1. carries out the measurement of signal quality according to M configuration information in M narrowband group；
Wherein, the bandwidth of the narrowband is the bandwidth of a PRB；The configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group.
10. according to the method described in claim 9, it is characterized in that, the step A further includes following steps:
Step B. sends N number of measurement report, and N number of measurement report is based on obtained by the measurement in N number of narrowband group respectively
's；N number of narrowband group is the subset of M narrowband group；N is no more than the positive integer of M.
11. a kind of base station equipment for supporting narrow band communication, which is characterized in that the equipment includes:
- the first module: the first operation feeding back signaling, the feeding back signaling includes K configuration information；
Wherein, the K configuration information is directed to K narrowband group respectively；Wherein, the narrowband group includes positive integer narrowband, institute
Stating includes at least the first narrowband in narrowband group, the synchronizing sequence and broadcast message of narrowband group described in first narrow band transmission；Institute
The bandwidth for stating narrowband is the bandwidth of a PRB；K and L is positive integer；First narrowband in the narrowband group is narrow with other
Band shares the same down-going synchronous reference, and the synchronizing sequence is only sent on first narrowband；Institute in the narrowband group
It states the first narrowband and the same broadcast message is shared in other narrowbands, the broadcast message is only sent on first narrowband；Institute
Stating configuration information includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
- the second module: sending M configuration information, and the M configuration information is directed to M narrowband group；Wherein, match confidence for the M
Breath is sent by the serving cell of the recipient of the M configuration information, and the narrowband group includes positive integer narrowband；The M
At least one configuration information is for the cell except the serving cell of the recipient of the M configuration information in configuration information
's.
12. equipment according to claim 11, which is characterized in that the feeding back signaling transmits on X2 interface.
13. equipment according to claim 11, which is characterized in that the base station equipment further include:
Third module: receiving N number of measurement report, and N number of measurement report is based on the measurement institute in N number of narrowband group respectively
It obtains；N number of narrowband group is the subset of M narrowband group；N is no more than the positive integer of M；
Wherein, the first operation is to receive.
14. equipment according to claim 11, which is characterized in that the configuration information also includes at least one of:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group.
15. a kind of UE equipment for supporting narrow band communication, which is characterized in that the equipment includes:
- the first module: receiving M configuration information, and the M configuration information is directed to M narrowband group；Wherein, match confidence for the M
Breath is sent by the serving cell of the UE, and the narrowband group includes positive integer narrowband；At least one in the M configuration information
A configuration information is for the cell except the serving cell of the UE；
Wherein, K configuration information is directed to K narrowband group respectively；Wherein, the narrowband group includes positive integer narrowband, described narrow
It include at least the first narrowband, the synchronizing sequence and broadcast message of narrowband group described in first narrow band transmission in band group；It is described narrow
The bandwidth of band is the bandwidth of a PRB；K and L is positive integer；First narrowband and other narrowbands in the narrowband group is total
The same down-going synchronous reference is enjoyed, the synchronizing sequence is only sent on first narrowband；Described in the narrowband group
The same broadcast message is shared in one narrowband and other narrowbands, and the broadcast message is only sent on first narrowband；It is described to match
Confidence breath includes at least one of
The identification information of narrowband group；
The frequency information of first narrowband in narrowband group；
The frequency information of all narrowbands in narrowband group；
- the second module: according to M configuration information, the measurement of signal quality is carried out in M narrowband group.
16. equipment according to claim 15, which is characterized in that the UE equipment further include:
Third module: sending N number of measurement report, and N number of measurement report is based on the measurement institute in N number of narrowband group respectively
It obtains；N number of narrowband group is the subset of M narrowband group；N is no more than the positive integer of M.
17. equipment according to claim 15, which is characterized in that the configuration information also includes at least one of:
The public RS configuration information of first narrowband in narrowband group；
The public RS configuration information of all narrowbands in narrowband group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777204.0A CN106712913B (en) | 2015-11-13 | 2015-11-13 | A kind of method and apparatus of narrow band communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777204.0A CN106712913B (en) | 2015-11-13 | 2015-11-13 | A kind of method and apparatus of narrow band communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106712913A CN106712913A (en) | 2017-05-24 |
| CN106712913B true CN106712913B (en) | 2019-10-01 |
Family
ID=58930674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510777204.0A Active CN106712913B (en) | 2015-11-13 | 2015-11-13 | A kind of method and apparatus of narrow band communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106712913B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121161A (en) * | 2017-06-23 | 2019-01-01 | 中兴通讯股份有限公司 | A kind of adjacent area management method and system based on narrowband Internet of Things |
| EP3637849A4 (en) * | 2017-06-30 | 2020-06-17 | Huawei Technologies Co., Ltd. | Communication method and device |
| CN109041198B (en) * | 2017-06-30 | 2020-02-21 | 华为技术有限公司 | Communication method and device |
| CN112867165A (en) * | 2017-07-06 | 2021-05-28 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for dynamic scheduling |
| CN109474951B (en) * | 2017-09-07 | 2021-05-11 | 华为技术有限公司 | Mobility measurement method, device and system |
| CN109600783A (en) * | 2017-09-30 | 2019-04-09 | 中国移动通信有限公司研究院 | Cell measurements report method, cell measurements method of reseptance and equipment |
| CN110351763A (en) | 2018-04-04 | 2019-10-18 | 华为技术有限公司 | The method and apparatus of Radio Link monitoring |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101801091B (en) * | 2010-01-28 | 2012-11-14 | 北京邮电大学 | Method and device for allocating resources in OFDM/MIMO system |
| CN103428748B (en) * | 2012-05-17 | 2017-06-13 | 华为技术有限公司 | A kind of band measurement method, equipment and system |
| KR20140006304A (en) * | 2012-07-03 | 2014-01-16 | 한국전자통신연구원 | Method for receiving downlink data and machine type communication device using the method |
| CN104885539B (en) * | 2013-12-27 | 2019-10-25 | 华为技术有限公司 | Narrowband systems data transmission method and device |
-
2015
- 2015-11-13 CN CN201510777204.0A patent/CN106712913B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106712913A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106712913B (en) | A kind of method and apparatus of narrow band communication | |
| US10348431B2 (en) | Methods of discovery and measurements for small cells in OFDM/OFDMA systems | |
| US10264541B2 (en) | Operating mode coordination on a shared communication medium | |
| JP6718493B2 (en) | Base station, reception quality acquisition method, and integrated circuit | |
| US9750014B2 (en) | Interlaced carrier sense adaptive transmission (CSAT) co-existence in shared spectrum | |
| CN105745983B (en) | The system and method that network self-adapting is supported in wireless network | |
| CN103581991B (en) | The indicating means and device of measurement parameter | |
| CN103081550A (en) | Providing a beamformed physical downlink control channel (PDCCH) on an extension carrier of a mobile communication system | |
| RU2604649C2 (en) | Methods and apparatus in a wireless communication system | |
| CN110121895A (en) | Cell identity information | |
| CN102883408A (en) | Method and device for discovering micro cell | |
| CN110419187A (en) | Parameter set group for multi-carrier operation is combined | |
| CN103024753B (en) | Interference coordination method among cells in mobile communication heterogeneous network | |
| CN105794266A (en) | Method and apparatus for modified reference signal transmission for cell discovery | |
| CN106686617B (en) | A kind of method and apparatus in narrow band transmission | |
| US11388637B1 (en) | Cell selection for conditional handover | |
| CN102625439B (en) | Method and equipment for carrying out synchronization | |
| CN106658717B (en) | A kind of method and apparatus in narrow band communication | |
| CN107734575B (en) | A kind of adjacent area system information acquisition method, UE and network side equipment | |
| CN108809553A (en) | A kind of user equipment that be used to wirelessly communicate, the method and apparatus in base station | |
| CN103945446A (en) | Novel carrier type wireless communication management method and auxiliary method | |
| KR102592164B1 (en) | Operator identification for coexistence on a shared communication medium | |
| WO2021243510A1 (en) | Public land mobile network selection enhancement | |
| WO2021243691A1 (en) | Fast switching between radio access technologies in wireless communication | |
| WO2021195920A1 (en) | Nonsensical cell measurements |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |