CN103944627B - Methods, devices and systems for switching reception pattern in LTE system - Google Patents
Methods, devices and systems for switching reception pattern in LTE system Download PDFInfo
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- CN103944627B CN103944627B CN201310018420.8A CN201310018420A CN103944627B CN 103944627 B CN103944627 B CN 103944627B CN 201310018420 A CN201310018420 A CN 201310018420A CN 103944627 B CN103944627 B CN 103944627B
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Abstract
The present invention discloses a kind of methods, devices and systems for switching reception pattern in LTE system.Wherein in for the method for switching reception pattern, after the performance parameter for receiving the transmission of first mode base station reports configured information, the performance parameter of user terminal is sent to first mode base station, wherein first mode base station is detecting sending performance reporting parameters configured information when user terminal enters the cell residing for the first mode base station.After reception pattern detection information is received, the CRS indication signal quantity that PBCH signals include in detection current area, wherein first mode base station according to the performance parameter of user terminal judge user terminal support four antenna reception patterns when, to user terminal sending/receiving formula detection information.The reception pattern of user terminal is adjusted according to the CRS indication signals quantity.Such that it is able to make user terminal according to network environment adjust automatically reception pattern, Internet resources are made full use of, improve Consumer's Experience.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method, device for switching reception pattern in LTE system
And system.
Background technology
In mobile network's networking, because environment is changeable, and demand and requirement would also vary from, and can there are some special
Scene.Can there is a problem of that some are special under special screne, these specific questions can directly affect actual network organizing
Energy.Need to propose different targetedly processing method and Networking Solutions ＆ provisioneds for these special screnes.
In LTE（Long Term Evolution, Long Term Evolution）In system, due to MIMO（Multiple Input
Multiple Output, multiple-input and multiple-output）The introducing of technology, and former GSM has an obvious difference,
Multi-antenna transmission and reception exactly occurs, and in different regions, multiple antennas scheme is different.In actual mobile network
In network networking, the situation across different mimo systems, the change of this MIMO radiation patterns, to the end in movement just necessarily occurs
End is exactly a challenge, is very easy to call drop phenomenon occur.
For LTE R8 systems, CRS（Common Reference Signal, common reference signal）Be configured with three kinds
Situation：During for single-antenna transmission, only CRS0 signals；When double antenna is launched, while have two signals of CRS0 and CRS1, as UE
（User Equipment, user equipment）Distinguish expression and the demodulated reference signal of antenna element；When four antenna ports are launched, tool
There are four CRS signals, respectively CRS0, CRS1, CRS2, CRS3 signal.
In LTE mixed networking, the base station of some regions uses the configuration of 2CRS, i.e., using two antenna sending modes, and
The base station in some regions uses the configuration of 4CRS, i.e., using four antenna sending modes.In this mixed networking, some UE can only
The pilot tone of detection demodulation 2CRS, some UE both can detect the pilot tone of demodulation 2CRS, the pilot tone of 4CRS can have been demodulated again.
For the UE that can only detect the pilot tone of demodulation 2CRS, when being moved in any region of the whole network, only detect 2CRS's
Signal.And for the UE of the pilot tone of demodulation 4CRS can be detected, if the UE is from 2CRS base station movements to 4CRS base stations, due to
UE cannot understand this change, still be demodulated reception using the reception pattern of 2CRS, cannot play its maximum performance, right
The arrangement performance of network is exactly a kind of significantly sacrificing.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method, dress for switching reception pattern in LTE system
Put and system.Detect CRS information again by indicating the user terminal into 4CRS regions, such that it is able to make user terminal according to
Network environment adjust automatically reception pattern, makes full use of Internet resources, improves Consumer's Experience.
According to another aspect of the present invention, there is provided it is a kind of in LTE system switch reception pattern method, including：
After the performance parameter for receiving the transmission of first mode base station reports configured information, by the performance parameter of user terminal
First mode base station is sent to, wherein first mode base station uses four antenna emission modes, institute is entered user terminal is detected
When stating the cell residing for first mode base station, to user terminal sending performance reporting parameters configured information；
After the reception pattern detection information of first mode base station transmission is received, PBCH in detection current area
（Physical Broadcast Channel, Physical Broadcast Channel）The CRS indication signal quantity that signal includes, wherein the first mould
Formula base station sends when judging that user terminal supports four antenna reception patterns according to the performance parameter of user terminal to user terminal
Reception pattern detection information；
The reception pattern of user terminal is adjusted according to the CRS indication signals quantity.
Preferably, the step of adjusting the reception pattern of user terminal according to the CRS indication signals quantity includes：
If the CRS indication signals quantity is 4, and the reception pattern of user terminal is dual-antenna reception pattern, then will use
The reception pattern of family terminal is changed to four antenna reception patterns；
If the CRS indication signals quantity is 4, and the reception pattern of user terminal is four antenna reception patterns, then uncomfortable
The reception pattern of whole user terminal.
Preferably, when the reception pattern of user terminal is four antenna reception pattern, if detecting PBCH in current area
When the CRS indication signals quantity that signal includes is 2, the reception pattern of user terminal is changed to two antenna reception patterns.
Preferably, when the user terminal is switched on, the CRS indication signal quantity that PBCH signals include in detection current area,
And the reception pattern of user terminal is determined according to testing result.
Preferably, the step of reception pattern that user terminal is determined according to testing result, includes：
If CRS indication signals quantity is 4 and user terminal supports four antenna reception patterns, by the reception mould of user terminal
Formula is set to four antenna reception patterns；
If CRS indication signals quantity is 4 and user terminal does not support four antenna reception patterns, or CRS indication signal numbers
It is 2 to measure, then the reception pattern of user terminal is set into two antenna reception patterns.
According to another aspect of the present invention, there is provided it is a kind of in LTE system switch reception pattern method, including：
To the new user terminal sending performance reporting parameters configured information for entering cell；
Receive the performance parameter that user terminal sends；
Judge whether user terminal supports four antenna reception patterns according to the performance parameter；
If judging, user terminal supports four antenna reception patterns, to user terminal sending/receiving formula detection information, with
Just the CRS indication signal quantity that PBCH signals include in user terminal detection current area, and adjusted according to the CRS number of signals
The reception pattern of whole user terminal.
According to another aspect of the present invention, there is provided a kind of user terminal for switching reception pattern in LTE system, bag
Include：
First receiving unit, after reporting configured information in the performance parameter for receiving the transmission of first mode base station, refers to
Show that the performance parameter of user terminal is sent to first mode base station by the first transmitting element, wherein first mode base station uses four days
Line emission mode, when user terminal is detected into cell residing for the first mode base station, property is sent to user terminal
Can reporting parameters configured information；After the reception pattern detection information of first mode base station transmission is received, detection unit is indicated
The CRS indication signal quantity that PBCH signals include in detection current area, wherein first mode base station is according to user terminal
When performance parameter judges that user terminal supports four antenna reception patterns, to user terminal sending/receiving formula detection information；
First transmitting element, for the instruction according to the first receiving unit, is sent to by the performance parameter of user terminal
One multi-mode base station；
Detection unit, for the instruction according to the first receiving unit, the CRS that PBCH signals include in detection current area refers to
Show number of signals；
Mode adjustment unit, for the testing result according to detection unit, adjusts according to the CRS indication signals quantity and uses
The reception pattern of family terminal.
Preferably, mode adjustment unit specifically the CRS indication signals quantity be 4, and user terminal reception pattern
During for dual-antenna reception pattern, the reception pattern of user terminal is changed to four antenna reception patterns；If the CRS indication signals number
It is 4 to measure, and user terminal reception pattern be four antenna reception patterns when, the reception pattern of user terminal is not adjusted.
Preferably, mode adjustment unit is additionally operable to when the reception pattern of user terminal is four antenna reception pattern, and inspection
When to survey CRS indication signals quantity that unit detects PBCH signals in current area and include be 2, by the reception pattern of user terminal
It is changed to two antenna reception patterns.
Preferably, detection unit is additionally operable to when the user terminal is switched on, the CRS that PBCH signals include in detection current area
Indication signal quantity；
Mode adjustment unit is additionally operable to the testing result according to detection unit, determines the reception pattern of user terminal.
Preferably, it is 4 that mode adjustment unit is additionally operable in CRS indication signals quantity and user terminal supports that four antennas are received
During pattern, the reception pattern of user terminal is set to four antenna reception patterns；If CRS indication signals quantity is 4 and user terminal
Do not support four antenna reception patterns, or CRS indication signals quantity is when being 2, and the reception pattern of user terminal is set into two antennas
Reception pattern.
According to another aspect of the present invention, there is provided a kind of first mode base for switching reception pattern in LTE system
Stand, first mode base station uses four antenna emission modes, and first mode base station includes：
Second transmitting element, for the new user terminal sending performance reporting parameters configured information for entering cell；
Second receiving unit, the performance parameter for receiving user terminal transmission；
Recognition unit, for judging whether user terminal supports four antenna reception patterns according to the performance parameter；If sentencing
Disconnected user terminal supports four antenna reception patterns, it indicates that the second transmitting element is detected to user terminal sending/receiving formula to be believed
Breath, so as to the CRS indication signal quantity that PBCH signals in user terminal detection current area include, and according to the CRS signals
Quantity adjusts the reception pattern of user terminal.
According to another aspect of the present invention, there is provided it is a kind of in LTE system switch reception pattern system, including with
Family terminal and first mode base station.Wherein：User terminal is the user terminal that any of the above-described embodiment is related to, first mode base station
For the first mode base station that above-described embodiment is related to.
The present invention is by judging whether the new user terminal into cell residing for first mode base station supports that four antennas are received
Pattern, if judging, user terminal supports four antenna reception patterns, it indicates that PBCH signal bags in user terminal detection current area
The CRS indication signal quantity for including, and the reception pattern of user terminal is adjusted according to the CRS indication signals quantity.Such that it is able to
Make user terminal according to network environment adjust automatically reception pattern, make full use of Internet resources, improve Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the schematic diagram of reception pattern changing method one embodiment of the present invention.
Fig. 2 is the schematic diagram of another embodiment of reception pattern changing method of the present invention.
Fig. 3 is the schematic diagram of user terminal one embodiment of the present invention.
Fig. 4 is the schematic diagram of first mode base station of the present invention one embodiment.
Fig. 5 is the schematic diagram of mode switching system one embodiment of the present invention.
Fig. 6 is the information exchange schematic diagram of reception pattern switching of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, and never conduct is to the present invention and its application or makes
Any limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step for otherwise illustrating in these embodiments
Do not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing a part for specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
Fig. 1 is the schematic diagram of reception pattern changing method one embodiment of the present invention.Preferably, the embodiment is by user's end
End performs.
Step 101, after the performance parameter for receiving the transmission of first mode base station reports configured information, by user terminal
Performance parameter is sent to first mode base station.
Wherein first mode base station uses four antenna emission modes, is detecting user terminal into the first mode base
During residing cell of standing, to user terminal sending performance reporting parameters configured information.
Step 102, after the reception pattern detection information of first mode base station transmission is received, in detection current area
The CRS indication signal quantity that PBCH signals include.
Wherein first mode base station is judging that user terminal supports that four antennas receive mould according to the performance parameter of user terminal
During formula, to user terminal sending/receiving formula detection information；
Step 103, the reception pattern of user terminal is adjusted according to the CRS indication signals quantity.
Based on the mode switching method that the above embodiment of the present invention is provided, by judging new entrance residing for first mode base station
Whether the user terminal of cell supports four antenna reception patterns, if judging, user terminal supports four antenna reception patterns, it indicates that
The CRS indication signal quantity that PBCH signals include in user terminal detection current area, and according to the CRS indication signals quantity
Adjust the reception pattern of user terminal.It is fully sharp such that it is able to make user terminal according to network environment adjust automatically reception pattern
With Internet resources, Consumer's Experience is improved.
Preferably, it is above-mentioned according to the CRS indication signals quantity adjust user terminal reception pattern the step of include：
If the CRS indication signals quantity is 4, and the reception pattern of user terminal is dual-antenna reception pattern, then will use
The reception pattern of family terminal is changed to four antenna reception patterns.
If the CRS indication signals quantity is 4, and the reception pattern of user terminal is four antenna reception patterns, then uncomfortable
The reception pattern of whole user terminal.
That is, if user terminal is from 2CRS cells into 4CRS cells, the reception pattern of user terminal is changed to four antennas
Reception pattern.If user terminal need not adjust the reception pattern of user terminal when 4CRS minizones are moved.
Preferably, when the reception pattern of user terminal is four antenna reception pattern, if detecting PBCH in current area
When the CRS indication signals quantity that signal includes is 2, the reception pattern of user terminal is changed to two antenna reception patterns.
When user terminal returns to 2CRS cells from 4CRS cells, due to only including CRS0 in the PBCH signals of 2CRS cells
And CRS1, now user terminal cannot detect CRS2 and CRS3, then user terminal detect again in current area PBCH letter
Number, and enter two antenna reception patterns.
Preferably, when the user terminal is switched on, the CRS indication signal quantity that PBCH signals include in detection current area,
And the reception pattern of user terminal is determined according to testing result.
Wherein, if CRS indication signals quantity is 4 and user terminal supports four antenna reception patterns, by user terminal
Reception pattern is set to four antenna reception patterns；If CRS indication signals quantity is 4 and user terminal does not support that four antennas receive mould
Formula, or CRS indication signals quantity is 2, then the reception pattern of user terminal is set into two antenna reception patterns.
Because the start of user terminal can occur in 2CRS cells or 4CRS cells, therefore can be started shooting according to user terminal
When residing cell performance carry out corresponding configuration.
Fig. 2 is the schematic diagram of another embodiment of reception pattern changing method of the present invention.Preferably, the embodiment can be by using
The first mode base station of four antenna emission modes performs.
Step 201, to the new user terminal sending performance reporting parameters configured information for entering cell.
Step 202, receives the performance parameter that user terminal sends.
Step 203, judges whether user terminal supports four antenna reception patterns according to the performance parameter.
Step 204, if judging, user terminal supports four antenna reception patterns, is detected to user terminal sending/receiving formula
Information, so as to the CRS indication signal quantity that PBCH signals in user terminal detection current area include, and believes according to the CRS
Number amount adjusts the reception pattern of user terminal.
Based on the mode switching method that the above embodiment of the present invention is provided, by judging new entrance residing for first mode base station
Whether the user terminal of cell supports four antenna reception patterns, if judging, user terminal supports four antenna reception patterns, it indicates that
The CRS indication signal quantity that PBCH signals include in user terminal detection current area, and according to the CRS indication signals quantity
Adjust the reception pattern of user terminal.It is fully sharp such that it is able to make user terminal according to network environment adjust automatically reception pattern
With Internet resources, Consumer's Experience is improved.
Fig. 3 is the schematic diagram of user terminal one embodiment of the present invention.As shown in figure 3, user terminal includes：
First receiving unit 301, after reporting configured information in the performance parameter for receiving the transmission of first mode base station,
Indicate the first transmitting element 302 that the performance parameter of user terminal is sent into first mode base station.Adopt wherein first mode base station
With four antenna emission modes, when user terminal is detected into cell residing for the first mode base station, to user terminal
Sending performance reporting parameters configured information.After the reception pattern detection information of first mode base station transmission is received, inspection is indicated
Survey the CRS indication signal quantity that includes of PBCH signals in the detection of unit 303 current area, wherein first mode base station according to
When the performance parameter of family terminal judges that user terminal supports four antenna reception patterns, detected to user terminal sending/receiving formula and believed
Breath.
First transmitting element 302, for the instruction according to the first receiving unit 301, the performance parameter of user terminal is sent out
Give first mode base station.
Detection unit 303, for the instruction according to the first receiving unit 301, PBCH signals include in detection current area
CRS indication signal quantity.
Mode adjustment unit 304, for the testing result according to detection unit 303, according to the CRS indication signals quantity
Adjust the reception pattern of user terminal.
It is new into cell residing for first mode base station by judging based on the user terminal that the above embodiment of the present invention is provided
User terminal whether support four antenna reception patterns, if judge user terminal support four antenna reception patterns, it indicates that user
The CRS indication signal quantity that PBCH signals include in terminal detection current area, and adjusted according to the CRS indication signals quantity
The reception pattern of user terminal.Such that it is able to make user terminal according to network environment adjust automatically reception pattern, net is made full use of
Network resource, improves Consumer's Experience.
Preferably, mode adjustment unit 304 specifically the CRS indication signals quantity be 4, and user terminal reception mould
When formula is dual-antenna reception pattern, the reception pattern of user terminal is changed to four antenna reception patterns；If the CRS indication signals
Quantity is 4, and user terminal reception pattern be four antenna reception patterns when, the reception pattern of user terminal is not adjusted.
Preferably, mode adjustment unit 304 is additionally operable to when the reception pattern of user terminal is four antenna reception pattern, and
When the CRS indication signals quantity that detection unit 303 detects PBCH signals in current area and includes is 2, by connecing for user terminal
Receipts pattern is changed to two antenna reception patterns.
Preferably, detection unit 303 is additionally operable to when the user terminal is switched on, and PBCH signals include in detection current area
CRS indication signal quantity.
Mode adjustment unit 304 is additionally operable to the testing result according to detection unit 303, determines the reception mould of user terminal
Formula.
Preferably, it is 4 that mode adjustment unit 304 is additionally operable in CRS indication signals quantity and user terminal supports four antennas
During reception pattern, the reception pattern of user terminal is set to four antenna reception patterns；If CRS indication signals quantity is 4 and user
Terminal does not support four antenna reception patterns, or CRS indication signals quantity is when being 2, and the reception pattern of user terminal is set into two
Antenna reception pattern.
Fig. 4 is the schematic diagram of first mode base station of the present invention one embodiment, and wherein first mode base station uses four antennas
Emission mode.As shown in figure 4, first mode base station includes：
Second transmitting element 401, for the new user terminal sending performance reporting parameters configured information for entering cell.
Second receiving unit 402, the performance parameter for receiving user terminal transmission.
Recognition unit 403, for judging whether user terminal supports four antenna reception patterns according to the performance parameter；If
Judge that user terminal supports four antenna reception patterns, it indicates that the second transmitting element 401 is examined to user terminal sending/receiving formula
Measurement information, so as to the CRS indication signal quantity that PBCH signals in user terminal detection current area include, and according to the CRS
Number of signals adjusts the reception pattern of user terminal.
Based on the first mode base station that the above embodiment of the present invention is provided, by judging new entrance residing for first mode base station
Whether the user terminal of cell supports four antenna reception patterns, if judging, user terminal supports four antenna reception patterns, it indicates that
The CRS indication signal quantity that PBCH signals include in user terminal detection current area, and according to the CRS indication signals quantity
Adjust the reception pattern of user terminal.It is fully sharp such that it is able to make user terminal according to network environment adjust automatically reception pattern
With Internet resources, Consumer's Experience is improved.
Fig. 5 is the schematic diagram of reception pattern switching system one embodiment of the present invention.As shown in figure 5, the system includes using
Family terminal 501 and first mode base station 502.Wherein user terminal 501 is the user terminal that any embodiment shown in Fig. 3 is related to,
The first mode base station that first mode base station 502 is related to for embodiment illustrated in fig. 4.
For brevity, a user terminal is only gived in Figure 5.Those skilled in the art it will be appreciated that
Multiple user terminals are may include within the system.
Fig. 6 is the information exchange schematic diagram of reception pattern switching of the present invention.For convenience of description, it is assumed here that user terminal
After being started shooting in 2CRS cells, 4CRS cells are moved to, then 2CRS cells are returned to from 4CRS cells.
Step 601, after user terminal is started shooting in 2CRS cells, the CRS in detection current area in PBCH signals is indicated
Number of signals.
Step 602, user terminal enters two antenna reception patterns, i.e. 2CRS patterns according to testing result.
Step 603, the performance parameter that user terminal receives the transmission of first mode base station reports configured information.Wherein the first mould
Formula base station uses four antenna emission modes, when user terminal is detected into cell residing for the first mode base station, to
User terminal sending performance reporting parameters configured information.I.e. now user terminal has been enter into cell residing for first mode base station, i.e.,
4CRS cells.
Performance parameter is sent to first mode base station by step 604, user terminal.
Step 605, first mode base station judges whether user terminal supports four antenna reception patterns, i.e. 4CRS patterns.
Step 606, if user terminal supports 4CRS patterns, first mode base station is examined to user terminal sending/receiving formula
Measurement information.
Step 607, CRS indication signal quantity of the user terminal in PBCH signals in current area enters 4CRS moulds
Formula.
Step 608, user terminal judges whether the CRS2 and CRS3 being able to detect that in PBCH signals.
Step 609, when user terminal can't detect CRS2 and CRS3 in PBCH signals, reenters 2CRS patterns.
Now user terminal comes back to 2CRS cells.
By implementing the present invention, following beneficial aspects can be obtained：
1st, the present invention by the region of mixed networking to different user terminals using it is different it is tactful by the way of, allow not
Same user terminal can play its maximum performance in different zones, it is ensured that the overall performance of network.
2nd, the present invention uses existing ability of user terminal, designs new trigger mechanism, allows user terminal when suitable
Between, suitable area triggering its testing mechanism, user terminal independently judged, it is ensured that the compatibility of network.
3rd, after user terminal returns to original region, can return and contact original reception pattern.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, it is also possible to instruct the hardware of correlation to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Description of the invention is given for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are for the ordinary skill in the art obvious.Select and retouch
State embodiment and be to more preferably illustrate principle of the invention and practical application, and one of ordinary skill in the art is managed
The solution present invention is suitable to the various embodiments with various modifications of special-purpose so as to design.
Claims (13)
1. it is a kind of in LTE system switch reception pattern method, it is characterised in that including：
After the performance parameter for receiving the transmission of first mode base station reports configured information, the performance parameter of user terminal is sent
Give first mode base station, wherein first mode base station uses four antenna emission modes, described the is entered user terminal is detected
During cell residing for one multi-mode base station, to user terminal sending performance reporting parameters configured information；
After the reception pattern detection information of first mode base station transmission is received, PBCH signals include in detection current area
CRS indication signal quantity, wherein first mode base station are judging that user terminal is supported four days according to the performance parameter of user terminal
During line reception pattern, to user terminal sending/receiving formula detection information；
The reception pattern for adjusting user terminal according to the CRS indication signals quantity is corresponding four antennas reception pattern or two days
Line reception pattern.
2. method according to claim 1, it is characterised in that：
The step of adjusting the reception pattern of user terminal according to the CRS indication signals quantity includes：
If the CRS indication signals quantity is 4, and the reception pattern of user terminal is dual-antenna reception pattern, then by user's end
The reception pattern at end is changed to four antenna reception patterns；
If the CRS indication signals quantity is 4, and the reception pattern of user terminal is four antenna reception patterns, then do not adjust use
The reception pattern of family terminal.
3. method according to claim 2, it is characterised in that：
When the reception pattern of user terminal is four antenna reception pattern, if detecting what PBCH signals in current area included
When CRS indication signals quantity is 2, the reception pattern of user terminal is changed to two antenna reception patterns.
4. the method according to any one of claim 1-3, it is characterised in that：
When the user terminal is switched on, the CRS indication signal quantity that PBCH signals include in detection current area, and tied according to detection
Fruit determines the reception pattern of user terminal.
5. method according to claim 4, it is characterised in that：
The step of reception pattern of user terminal is determined according to testing result includes：
If CRS indication signals quantity is 4 and user terminal supports four antenna reception patterns, the reception pattern of user terminal is set
It is four antenna reception patterns；
If CRS indication signals quantity is 4 and user terminal does not support that four antenna reception patterns, or CRS indication signal quantity are
2, then the reception pattern of user terminal is set to two antenna reception patterns.
6. it is a kind of in LTE system switch reception pattern method, it is characterised in that including：
To the new user terminal sending performance reporting parameters configured information for entering cell；
Receive the performance parameter that user terminal sends；
Judge whether user terminal supports four antenna reception patterns according to the performance parameter；
If judging, user terminal supports four antenna reception patterns, to user terminal sending/receiving formula detection information, so as to
The CRS indication signal quantity that PBCH signals include in the terminal detection current area of family, and use is adjusted according to the CRS number of signals
The reception pattern of family terminal is corresponding four antennas reception pattern or two antenna reception patterns.
7. it is a kind of in LTE system switch reception pattern user terminal, it is characterised in that including：
First receiving unit, after reporting configured information in the performance parameter for receiving the transmission of first mode base station, indicates the
The performance parameter of user terminal is sent to first mode base station by one transmitting element, and wherein first mode base station is sent out using four antennas
Emission mode, when user terminal is detected into cell residing for the first mode base station, joins to user terminal sending performance
Number reports configured information；After the reception pattern detection information of first mode base station transmission is received, detection unit detection is indicated
The CRS indication signal quantity that PBCH signals include in current area, wherein first mode base station is in the performance according to user terminal
When parameter judges that user terminal supports four antenna reception patterns, to user terminal sending/receiving formula detection information；
First transmitting element, for the instruction according to the first receiving unit, the first mould is sent to by the performance parameter of user terminal
Formula base station；
Detection unit, for the instruction according to the first receiving unit, the CRS that PBCH signals include in detection current area indicates letter
Number amount；
Mode adjustment unit, for the testing result according to detection unit, user's end is adjusted according to the CRS indication signals quantity
The reception pattern at end is corresponding four antennas reception pattern or two antenna reception patterns.
8. user terminal according to claim 7, it is characterised in that：
Mode adjustment unit is specifically 4 in the CRS indication signals quantity, and the reception pattern of user terminal is dual-antenna reception
During pattern, the reception pattern of user terminal is changed to four antenna reception patterns；If the CRS indication signals quantity is 4, and user
When the reception pattern of terminal is four antenna reception pattern, the reception pattern of user terminal is not adjusted.
9. user terminal according to claim 8, it is characterised in that：
Mode adjustment unit is additionally operable to when the reception pattern of user terminal is four antenna reception pattern, and detection unit is detected
When the CRS indication signals quantity that PBCH signals include in current area is 2, the reception pattern of user terminal is changed to two antennas and is connect
Receipts pattern.
10. the user terminal according to any one of claim 7-9, it is characterised in that：
Detection unit is additionally operable to when the user terminal is switched on, the CRS indication signal numbers that PBCH signals include in detection current area
Amount；
Mode adjustment unit is additionally operable to the testing result according to detection unit, determines the reception pattern of user terminal.
11. user terminals according to claim 10, it is characterised in that：
Mode adjustment unit is additionally operable to, when CRS indication signals quantity is 4 and user terminal supports four antenna reception patterns, to use
The reception pattern of family terminal is set to four antenna reception patterns；If CRS indication signals quantity is 4 and user terminal does not support four antennas
Reception pattern, or CRS indication signals quantity be 2 when, the reception pattern of user terminal is set to two antenna reception patterns.
A kind of 12. first mode base stations for switching reception pattern in LTE system, it is characterised in that first mode base station
Using four antenna emission modes, first mode base station includes：
Second transmitting element, for the new user terminal sending performance reporting parameters configured information for entering cell；
Second receiving unit, the performance parameter for receiving user terminal transmission；
Recognition unit, for judging whether user terminal supports four antenna reception patterns according to the performance parameter；If judging to use
Family terminal supports four antenna reception patterns, it indicates that the second transmitting element to user terminal sending/receiving formula detection information, with
Just the CRS indication signal quantity that PBCH signals include in user terminal detection current area, and adjusted according to the CRS number of signals
The reception pattern of whole user terminal is corresponding four antennas reception pattern or two antenna reception patterns.
13. a kind of systems for switching reception pattern in LTE system, it is characterised in that including user terminal and the first mould
Formula base station, wherein：
User terminal is the user terminal that any one of claim 7-11 is related to；
First mode base station is the first mode base station that claim 12 is related to.
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| CN106961315B (en) * | 2016-01-11 | 2020-03-17 | 电信科学技术研究院 | Narrowband PBCH transmission method and device |
| CN111277344A (en) * | 2019-01-08 | 2020-06-12 | 维沃移动通信有限公司 | Receiving mode adjusting method, wireless link quality determining method and terminal |
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