CN104618975B - The method that 2G/3G circuit domain called services are realized under LTE PS connection status - Google Patents
The method that 2G/3G circuit domain called services are realized under LTE PS connection status Download PDFInfo
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Abstract
A kind of method that 2G/3G circuit domain called services are realized under LTE PS connection status, including：After the paging message for receiving 2G/3G cells in receive process under 2G/3GIDLE states, terminal upper unit sends antenna switching command to LTE physical layers；When receiving the antenna switching command for coming self terminal upper strata, the antenna measurement configuration of LTE physical layers modification downlink CPR measurements；LTE physical layers carry out downlink CPR measurements under antenna measurement configuration, and generation is reported to the measurement result of network side；It is receiving after update configuration information of the network side for the measurement result, the update of LTE physical layers receives configuration, to adapt to the data-transmission mode of single antenna reception；LTE physical layers configure signal of the reception from network side using newer receive；The terminal upper strata is in the case where the LTE physical layers update and receive configuration, the switching of control terminal antenna links scenarios；In 2G/3G cell response circuits domain called service.Embodiment of the present invention can ensure that mobile communication business quality.
Description
Technical field
The present invention relates to mobile communication technology, more particularly to realization 2G/3G circuit domains under a kind of LTE PS connection status
The method of called service.
Background technology
With flourishing for various the Internet, applications, the existing third generation（3G, 3Generation）Communication network is
Cannot meet the needs of people are growing.Wireless communication system increasingly shows mobile, broadband and interconnection networking hair
Exhibition trend, under this situation, as forth generation（4G, 4Generation）The LTE of the communication technology（Long Term
Evolution, i.e. 3GPP Long Term Evolutions project）As following direction of network evolution.
LTE network is based on full Internet protocol（IP, Internet Protocol）Framework, can only provide based on point
Group domain（PS, Packet Switched）Ip voice（VoIP, Voice over IP）Business, since LTE network does not possess meeting
Talk about the calling of class business and Service control ability, it is therefore desirable to pass through the IP multimedia subsystem of core net（IMS, IP
Multimedia Subsystem）To provide the control function of session service.
The deployment of LTE network and IMS network is a process progressively.At LTE network networking initial stage, to ensure speech business
Contiguity, a kind of implementation be design have double standby（That is voice and LTE Data Concurrents, SVLTE, Simultaneous
Voice and LTE）The communication terminal of ability, the communication terminal with double standby ability can exist simultaneously
It is standby in LTE network and 2G/3G networks.
Present inventor pass through the study found that the existing communication terminal for possessing double standby ability there are some
Shortcoming, as volume is big, of high cost, design difficulty is big.
This is because due to needing to receive LTE system signal and 2G/3G system signals simultaneously, existing mobile communication is whole
End at least needs to configure 3 antennas, wherein needing to configure 2 antennas for LTE system, for 1 day of 2G/3G system configurations
Line.
That is, compared with single standby mobile communication terminal, possessing the communication terminal of double standby ability needs to increase
The research and development difficulty and the cycle of additional antenna, radio frequency chip, wave filter or even baseband chip etc. and bigger.
And then compared with single standby mobile communication terminal, possesses the printed circuit board (PCB) of the communication terminal of double standby ability
Area can also increase, and currently there are the screen of low and middle-end communication terminal be generally 4.0 " and less, from
And bring challenges in design, especially for the harsh manufacturer of industrial design requirements, there will be very big challenges.
In addition, when the communication pattern residing for mobile communication terminal device and type of service change, how industry is ensured
Business quality is also one wide interesting issue.
The content of the invention
The technical problem to be solved by the present invention is to provide 2G/3G circuit domain called services are realized under a kind of LTE PS connection status
Method, it can be ensured that the quality of service in LTE double standby schemes.
To solve the above-mentioned problems, the embodiment of the present invention also provides realization 2G/3G circuits under a kind of LTE PS connection status
The method of domain called service, including：Received under 2G/3GIDLE states in receive process 2G/3G cells paging message it
Afterwards, terminal upper unit sends antenna switching command to LTE physical layers；Receive the antenna switching command for coming self terminal upper strata
When, the antenna measurement configuration of LTE physical layers modification downlink CPR measurements；Under LTE physical layers carry out under antenna measurement configuration
Row CPR is measured, and generation is reported to the measurement result of network side；Receiving the update from network side for the measurement result
After configuration information, the update of LTE physical layers receives configuration, to adapt to the data-transmission mode of single antenna reception；LTE physical layers use
Newer receive configures signal of the reception from network side；The terminal upper strata is received in LTE physical layers update matches somebody with somebody
In the case of putting, the switching of control terminal antenna links scenarios；In 2G/3G cell response circuits domain called service.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that：Due to antenna combination energy
It is enough selectively to work in the combination of different communication modes or different communication modes, therefore can realize shared antenna scheme,
When antenna switching occurs, by changing the configuration of terminal and by being interacted with network side, realizing the change of data transfer mode
Change, it is thus ensured that mobile communication business is smoothed out.
Description of the drawings
Fig. 1 is the structure diagram of the communication terminal of one embodiment of the present invention；
Fig. 2 is a kind of structure diagram of the communication terminal of specific embodiment of the present invention；
Fig. 3 is a kind of structure diagram of the communication terminal of specific embodiment of the present invention；
Fig. 4 is a kind of structure diagram of the communication terminal of specific embodiment of the present invention；
Fig. 5 is a kind of structure diagram of the communication terminal of specific embodiment of the present invention；
Fig. 6 is a kind of structure diagram of the communication terminal of specific embodiment of the present invention；
Fig. 7 is the flow diagram of the mobile telecommunication method of one embodiment of the present invention；
Fig. 8 is a kind of flow diagram of the mobile telecommunication method of specific embodiment of the present invention；
Fig. 9 is a kind of flow diagram of the mobile telecommunication method of specific embodiment of the present invention；
Figure 10 is a kind of structure diagram of the communication terminal of specific embodiment of the present invention；
Figure 11 is a kind of flow diagram of the mobile telecommunication method of specific embodiment of the present invention；
Figure 12 is a kind of flow diagram of the mobile telecommunication method of specific embodiment of the present invention；
Figure 13 is a kind of flow diagram of the mobile telecommunication method of specific embodiment of the present invention.
Specific embodiment
Referring to Fig. 1, it is the structure diagram of the communication terminal of one embodiment of the present invention.
Communication terminal includes communication unit 110, suitable for the antenna combination 120 that is coupled with the communication unit 110 and
Antenna switching unit 130.The antenna switching unit 130 is between communication unit 110 and antenna combination 120, suitable for switching
Coupling mode between the antenna combination 120 and communication unit 110.
Wherein, the communication unit 110 is suitable for working under at least two communication patterns；The antenna combination 120 is optional
Work in selecting property the combination of different communication modes or different communication modes；The antenna switching unit 130 is configured to cut
The coupling mode between the antenna combination 120 and communication unit 110 is changed, to match the communication residing for the communication unit 110
Pattern and its type of service.
A kind of in the specific implementation, the communication unit 110 is configured to possess in the first communication pattern and/or the second communication
The ability to work under pattern.Wherein, under the first communication pattern, communication unit 110 is suitable for processing packet switch domain service；It is logical second
Under letter pattern, communication unit 110 is suitable for processing circuit domain service, packet switch domain service or packet domain and circuit domain voice and packet data concurrent service；
Under the combination of the communication pattern of the first communication pattern and the second communication pattern, communication unit 110 is suitable under the first communication pattern
Processing packet switch domain service, and the processing circuit domain service or standby in the first communication pattern and second under the second communication pattern
Communication pattern or under the first communication pattern in connection status and it is standby in the second communication pattern.
At least possess three kinds of coupling modes between the antenna combination 120 and communication unit 110.
For example, under a kind of coupling mode, antenna combination 120 can coordinate communication unit 110 to work in the second communication pattern.
Under this kind of coupling mode, it is logical in the first communication pattern and second that antenna combination 120 can also coordinate communication unit 110 to work at the same time
Letter pattern, so as to realize while standby in the first communication pattern and the second communication pattern or can also be carried out at the same time
The business under business and the second communication pattern under one communication pattern.
It will be understood to those skilled in the art that in present specification, it is described to work at the same time in the first communication pattern and
Two communication patterns or statement similar therewith do not form the limitation to the application, can also be realized using other modes
Antenna combination is shared by the first communication pattern and the second communication pattern.Such as antenna combination can also be worked by the way of the time-division
In the first communication pattern and the second communication pattern.
Under a kind of coupling mode, antenna combination 120 can coordinate communication unit 110 work at the same time in the first communication pattern and
Second communication pattern, so as to the business that is carried out at the same time under the first communication pattern and realize it is standby under the second communication pattern,
It or can also be standby in the first communication pattern and the second communication pattern simultaneously.
Under a kind of coupling mode, antenna combination 120 coordinates communication unit 110 to work in the first communication pattern.
Communication pattern and its type of service of the antenna switching unit 130 according to residing for communication unit 110, switching at runtime antenna
Coupling mode between combination 120 and communication unit 110.
Wherein, first communication pattern can be 4G communication patterns, such as LTE communication pattern, include but not limited to FDD-
LTE, TDD-LTE etc..Second communication pattern can be 2G/3G communication patterns, include but not limited to GSM, CDMA, WCDMA,
CDMA2000, TD-SCDMA etc..
As a kind of citing, in current China Communications Standards Association（CCSA）Double standby terminal specification in, first is logical
Letter pattern and the second communication pattern specifically include following several：
TD-LTE/TD-SCDMA/GSM (GPRS) the multimode bilateral terminal type 1 defined for CCSA, the first communication pattern
Refer to TD-LTE communication patterns, the second communication pattern refers to TD-SCDMA/GSM (GPRS) pattern；
TD-LTE/TD-SCDMA/GSM (GPRS) the multimode bilateral terminal type 2 defined for CCSA, the first communication pattern
Refer to TD-LTE/TD-SCDMA communication patterns, the second communication pattern refers to GSM (GPRS) pattern；
TD-LTE/LTE FDD/TD-SCDMA/WCDMA/GSM (GPRS) the multimode bilateral terminal type defined for CCSA
1, the first communication pattern refers to TD-LTE/LTE-FDD communication patterns, and the second communication pattern 2 refers to TD-SCDMA/GSM
(GPRS)/WCDMA mode；
TD-LTE/LTE FDD/TD-SCDMA/WCDMA/GSM (GPRS) the multimode bilateral terminal type defined for CCSA
2, the first communication pattern refers to TD-LTE/LTE-FDD/TD-SCDMA communication patterns, and the second communication pattern refers to GSM
(GPRS)/WCDMA mode.
It is another in the specific implementation, the communication unit 110 be configured to possess it is logical in the first communication pattern and/or second
The ability to work under letter pattern at least possesses three kinds of coupling modes between the antenna combination 120 and communication unit 110.For example,
Under a kind of coupling mode, antenna combination 120 coordinates communication unit 110 to work in the first communication pattern；Under a kind of coupling mode, day
120 cooperation communication unit 110 of line combination works in the second communication pattern；Under a kind of coupling mode, antenna combination 120 matches somebody with somebody hop communication
Unit 110 is worked at the same time in the first communication pattern and the second communication pattern.Antenna switching unit 130 is according to 110 institute of communication unit
The communication pattern at place, the coupling mode between switching at runtime antenna combination 120 and communication unit 110.
Wherein, first communication pattern can be 4G communication patterns, such as LTE communication pattern, include but not limited to FDD-
LTE, TDD-LTE etc..Second communication pattern can be 2G/3G communication patterns, include but not limited to GSM, CDMA, WCDMA,
CDMA2000, TD-SCDMA etc..
Referring to Fig. 2, in a kind of specific embodiment of the present invention, communication terminal includes communication unit 110, is suitable for
With the antenna combination 120 and antenna switching unit 130 of the communication unit 110 coupling.The antenna switching unit 130 is located at logical
Believe between unit 110 and antenna combination 120, suitable for switching the coupling side between the antenna combination 120 and communication unit 110
Formula.
Wherein, the communication unit 110 is suitable for working under at least two communication patterns；The antenna combination 120 is optional
Work in selecting property the combination of different communication modes or different communication modes；The antenna switching unit 130 is configured to cut
The coupling mode between the antenna combination 120 and communication unit 110 is changed, to match the communication residing for the communication unit 110
Pattern and its type of service.
The antenna combination 120 includes 121 and second antenna 122 of first antenna；The antenna switching unit 130 is located at the
Between two antennas 122 and communication unit 110.
A kind of in the specific implementation, the communication unit 110 is configured to possess in the first communication pattern and/or the second communication
The ability to work under pattern.
Wherein, under the first communication pattern, communication unit 110 is suitable for processing packet switch domain service；Under the second communication pattern,
Communication unit 110 is suitable for processing circuit domain service, packet switch domain service or packet domain and circuit domain voice and packet data concurrent service；In the first communication
Under the combination of the communication pattern of pattern and the second communication pattern, communication unit 110 is suitable for handling packet domain under the first communication pattern
Business, and under the second communication pattern processing circuit domain service or it is standby in the first communication pattern and the second communication pattern or
Person is standby in the second communication pattern in connection status under the first communication pattern.
Communication pattern of the antenna switching unit 130 according to residing for communication unit 110 switches second antenna 122
Coupling relation between communication unit 110 so that the antenna combination 120 possesses at least following working methods：Described first
Correspondence works in the first communication pattern and the second communication pattern or the first antenna to 121 and second antenna 122 of antenna respectively
121 do not work, and the second antenna 122 works in the second communication pattern；121 and second antenna 122 of first antenna works in
First communication pattern；The first antenna 121 works in the first communication pattern, and second antenna 122 is worked at the same time in first
Communication pattern and the second communication pattern；121 or second antenna 122 of first antenna works independently in the first communication pattern.
It will be understood to those skilled in the art that in present specification, second antenna is worked at the same time in the first communication
The pattern statement similar with the second communication pattern or therewith does not form the limitation to the application, can also use others side
Formula realizes that the second antenna is shared by the first communication pattern and the second communication pattern.Such as second antenna can also use time-division
Mode works in the first communication pattern and the second communication pattern.
At least possess three kinds of coupling modes between the antenna combination 120 and communication unit 110.
For example, under a kind of coupling mode, first antenna 121 does not work, and the second antenna 122 cooperation communication unit 110 works
In the second communication pattern.Under this kind of coupling mode, first antenna 121 can coordinate communication unit 110 to work in the first communication mould
Formula, the second antenna 122 cooperation communication unit 110 work in the second communication pattern, so as to realize simultaneously it is standby in first lead to
Letter pattern and the second communication pattern can also carry out the first communication pattern by the cooperation of first antenna 121 and communication unit 110
Under business and meanwhile pass through the second antenna 122 coordinate communication unit 110 carry out the second communication pattern under business.
Under a kind of coupling mode, 121 and second antenna 122 of first antenna cooperation communication unit 110 works in the first communication
Pattern, while the second antenna 122 cooperation communication unit 110 works in the second communication pattern, it is logical so as to be carried out at the same time first
It is standby under the second communication pattern of business and realization under letter pattern, it can also be standby simultaneously logical in the first communication pattern and second
Letter pattern.
Under a kind of coupling mode, cooperation communication unit 110 works in first to 121 and second antenna 122 of first antenna jointly
Communication pattern；Or 121 or second antenna 122 of first antenna works independently in the first communication pattern.
Communication pattern and its type of service of the antenna switching unit 130 according to residing for communication unit 110, switching at runtime antenna
Coupling mode between combination 120 and communication unit 110.
Wherein, first communication pattern can be 4G communication patterns, such as LTE communication pattern, include but not limited to FDD-
LTE, TDD-LTE etc..Second communication pattern can be 2G/3G communication patterns, include but not limited to GSM, CDMA, WCDMA,
CDMA2000, TD-SCDMA etc..
Skilled in the art realises that pass through the communication terminal in previous embodiment, the antenna combination
120 cooperation communication units 110 can realize all kinds of mobile communication businesses, include but not limited to：The first antenna 121 and second
Antenna 122 coordinates communication unit 110 is corresponding respectively to realize packet switch domain service and circuit domain business；The first antenna 121 and
Two antennas 122 cooperation communication unit 110 works in packet switch domain service；The first antenna 121 works in packet switch domain service, institute
The second antenna 122 is stated to work at the same time in packet switch domain service and circuit domain business；121 or second antenna of first antenna 122 is single
Solely cooperation communication unit 110 realizes packet switch domain service.
It will be understood to those skilled in the art that described work at the same time in packet switch domain service and circuit domain business, it can also
It is realized by the way of the time-division.This is not repeated.
Skilled in the art realises that pass through the communication terminal in previous embodiment, the antenna combination
120 cooperation communication units 110 can realize all kinds of mobile communication businesses, include but not limited to：The first antenna 121 and second
Antenna 122 coordinates communication unit 110 is corresponding respectively to realize data service and speech business；The first antenna 121 and second day
Line 122 coordinates communication unit 110 to work in data service；The first antenna 121 works in data service, described second day
Line 122 is worked at the same time in data service and speech business；121 or second antenna 122 of first antenna is independently matched with communication unit
Member 110 realizes data service.
It will be understood to those skilled in the art that described work at the same time in data service and Circuit Service, can also use
The mode of time-division is realized.
Referring to Fig. 3, in a kind of specific embodiment of the present invention, communication terminal includes communication unit 110, is suitable for
With the antenna combination 120 and antenna switching unit 130 of the communication unit 110 coupling.
The antenna combination 120 includes 121 and second antenna 122 of first antenna；The antenna switching unit 130 is located at the
Between two antennas 122 and communication unit 110.
The communication unit 110 includes first mode radio frequency unit 111, second mode radio frequency unit 112, Base-Band Processing list
Member 113.Wherein, the first mode radio frequency unit 111 possess processing the first communication pattern radiofrequency signal ability, described second
Mode RF unit 112 possesses the ability of the second communication pattern radiofrequency signal of processing, and the baseband processing unit 113 possesses mostly logical
Believe mode baseband signal handling capacity.
The antenna switching unit 130 is adapted for carrying out the antenna combination 120 with communication unit 110 in a variety of coupling modes
Between switching.The coupling mode includes but not limited to：The corresponding coupling first respectively of 121 and second antenna 122 of first antenna
Mode RF unit 111 and second mode radio frequency unit 112；121 and second antenna 122 of first antenna couples first mode and penetrates
Frequency unit；First antenna 121 is coupled to first mode radio frequency unit 111, and the second antenna 122 is coupled to first mode radio frequency simultaneously
Unit 111 and second mode radio frequency unit 112.
The antenna switching unit 130 is by switching the coupling side between the antenna combination 120 and communication unit 110
Formula so that the mobile communication terminal antenna combination possesses at least following working methods：Different antenna point in antenna combination 120
Different communication patterns Dui Ying not worked in；Antenna in antenna combination 120 works in same communication pattern；Antenna combination
Some antennas in 120 works in a kind of communication pattern, and some antennas is worked at the same time at least two communication patterns.
For example, 121 and second antenna 122 of first antenna is corresponding respectively to work in the first communication pattern and the second communication
Pattern or the first antenna 121 do not work, and the second antenna 122 works in the second communication pattern；The first antenna 121
The first communication pattern is worked in the second antenna 122 or 121 or second antenna 122 of first antenna works independently in first
Communication pattern；The first antenna 121 works in the first communication pattern, and second antenna 122 is worked at the same time in the first communication
Pattern and the second communication pattern.
Those skilled in the art will be seen that, the first mode radio frequency unit 111 and second mode radio frequency unit 112
Specific implementation the mode of discrete device may be employed, can also integrate or using possessing at multimode radio-frequency signal
The one chip mode of reason ability.
Referring to Fig. 4, in a kind of specific embodiment of the present invention, the antenna switching unit 130 includes antenna end
Mouth 1310 and three classes communication unit port：First kind communication unit port 1311, the second class communication unit port 1312 and the 3rd
Class communication unit port 1313.
Wherein, the antenna port 1310 connects second antenna, and the first kind communication unit port 1311 connects
To first mode radio frequency unit 111, the second class communication unit port 1312 is connected to second mode radio frequency unit 112, institute
It states three classes communication unit port 1313 while is connected to first mode radio frequency unit 111 and second mode radio frequency unit 112.
It should be noted that the specific number of the three classes communication unit port depends on the communication pattern that it is supported.
It can be 1 for example, for FDD-LTE；It can be 2 for TDD-LTE；It can be 1 for WCDMA；For GSM,
It can be 2；This is not repeated.
Referring to Fig. 5, in a kind of specific embodiment of the present invention, the antenna switching unit 130 includes phase mutual coupling
The switch unit 131 and branching unit 132 connect.The switch unit 131 is further coupled to the second antenna 122, first mode radio frequency
Unit 111 and second mode radio frequency unit 112, the branching unit 132 are further coupled to first mode radio frequency unit 111 and second
Mode RF unit 112.
A kind of in the specific implementation, single pole multiple throw or similar device, the branch can be used in the switch unit 131
Power splitter or similar device may be employed in unit 132, this is not repeated.
Referring to Fig. 6, in a kind of specific embodiment of the present invention, the communication terminal further includes antenna switching
Control unit 140, for providing switch-over control signal to antenna switching unit 130.
The antenna switch control unit 140 generates switch-over control signal according to the information from baseband processing unit 113.
It specifically, can be by the coupling mode between antenna combination 120 and communication unit 110 and corresponding communication pattern and type of service
Etc. information correspond to storage, generate switch-over control signal by the way of tabling look-up；Or the form of adoption status machine is realized；Or
Antenna switch control unit 140 receives the hardware signal from baseband processing unit 113 described in person, and after treatment, output is hard
Part signal triggers the operation of antenna switching unit 130, this does not repeat.
In the concrete realization, the antenna switch control unit 140 can be arranged on the outside of baseband processing unit 113,
The inside of baseband processing unit 113 can also be arranged on.
Those skilled in the art will be seen that the baseband processing unit 113 possesses the first communication pattern base band of processing
First processing unit of signal（It is not shown）With the second processing portion of the second communication pattern baseband signal of processing（It is not shown）.Described
Discrete mode may be employed in one processing unit and second processing portion, can also integrate.
In the concrete realization, when the antenna switch control unit 140 is arranged on the inside of baseband processing unit 113,
The first processing unit can be arranged on, second processing portion can also be arranged on.Have between first processing unit and second processing portion and connect
Road is connected, realizes the interaction of information.The antenna switch control unit 140 integrates the information in the first processing unit and second processing portion
To generate corresponding switch-over control signal.
Referring to Fig. 7, the present invention also provides a kind of method of mobile communication based on communication terminal, the mobile communication
The communication unit of terminal supports at least two communication patterns, and the antenna combination of the communication terminal optionally works in
The combination of different communication modes or different communication modes；The described method includes：
S710, between communication pattern and type of service selection antenna combination and communication unit based on communication terminal
Coupling relation so that the communication terminal possesses the ability for adapting to several working ways；
S720, when the communication pattern and/or type of service of the communication terminal change, based on the variation
Adjust the coupling relation between the antenna combination and communication unit.
Wherein, the several working ways include but not limited to：The communication terminal supports double standby and/or CSFB
Mode.
Coupling relation between the antenna combination and communication unit includes but not limited to：Different antenna in antenna combination
Correspondence works in different communication patterns respectively；Antenna in antenna combination works in same communication pattern；Antenna combination
In some antennas work in a kind of communication pattern, some antennas is worked at the same time at least two communication patterns.
Coupling relation between the adjustment antenna combination and communication unit includes but not limited to：To part in antenna combination
Residing communication pattern is adjusted during Antenna Operation.
During specific implementation, the adjustment process may be employed table look-up, the various ways such as state machine are realized.
In addition, when adjusting the coupling relation between the antenna combination and communication unit, it is possible to need according to current
Communication pattern or communication pattern combination under actual conditions and demand to the data transmission between communication terminal and network side
Mode is adjusted, to ensure that business is smoothed out.
The process that data transfer mode between communication terminal and network side is adjusted may be included：To movement
Air interface signaling interaction between communicating terminal configuration in itself and communication terminal and network side.
Skilled in the art realises that by the mobile telecommunication method in previous embodiment, can realize：Antenna
Different antennae cooperation communication unit in combination corresponds to respectively realizes packet switch domain service and circuit domain business；Day in antenna combination
Line coordinates communication unit to work in packet switch domain service；Some antennas in antenna combination works in packet switch domain service, while portion
Divided antenna works in packet switch domain service and circuit domain business；Some antennas in antenna combination, which is independently matched with communication unit and realizes, to be divided
Group domain business.
Skilled in the art realises that by the mobile telecommunication method in previous embodiment, can realize：Antenna
Different antennae cooperation communication unit corresponding realization data service and speech business respectively in combination；Antenna in antenna combination is equal
Cooperation communication unit works in data service；Some antennas in antenna combination works in data service, while some antennas work
Make in data service and speech business；Some antennas in antenna combination is independently matched with communication unit and realizes data service.
The first communication pattern and the second communication pattern are supported with communication terminal below, antenna combination includes first antenna
Exemplified by the second antenna, illustrate to the coupling relation adjustment process in the method for mobile communication of the specific embodiment of the invention
Explanation.
The working method of the antenna combination includes but not limited to：The first antenna and the second antenna correspond to work respectively
In the first communication pattern and the second communication pattern；Or the first antenna does not work, the second Antenna Operation is in the second communication mould
Formula；The first antenna and the second antenna work in the first communication pattern；The first antenna works in the first communication pattern,
Second antenna is worked at the same time in the first communication pattern and the second communication pattern；The first antenna or the independent work of the second antenna
Make in the first communication pattern.
In the case of CSFB patterns are arranged in the operating mode of communication terminal, according to working as communication terminal
Preceding communication pattern switches the coupling relation between the second antenna and communication unit.
Specifically, if currently worked under the first communication pattern, configure the second antenna and exclusively enjoyed to the first communication pattern,
The second antenna can be referred to as the diversity reception antenna of the first communication pattern in such cases；If currently under the second communication pattern
Work, then configure the second antenna and exclusively enjoyed to the second communication pattern.
Its dynamic adjustment process can include：When communication terminal works in the first communication pattern, if it happens
When CSFB falls business after rise, switch the coupling relation between the second antenna and communication unit so that the second antenna is from working in first
Communication pattern, which is converted to, works in the second communication pattern；When returning to the first communication pattern after the second communication mode traffic,
Switch the coupling relation between the second antenna and communication unit so that the second antenna is converted to work from the second communication pattern is worked in
Make in the first communication pattern, to serve as the diversity reception antenna of the first communication pattern.
In the case of dual standby mode is arranged in the operating mode of communication terminal, according to communication terminal
Current communication mode and its type of service switch the coupling relation between the second antenna and communication unit.
Specifically, when the first communication pattern and the second communication pattern are all in IDLE state, first antenna works in
One communication pattern, the second Antenna Operation are in the second communication pattern；When the first communication pattern is in connection status, the second communication pattern
In IDLE state, first antenna works in the first communication pattern, the second antenna is worked at the same time in the first communication pattern and second
Communication pattern；When the first communication pattern and the second communication pattern are in connection status, first antenna works in the first communication
Pattern, the second Antenna Operation are in the second communication pattern；When the first communication pattern is in IDLE state, the second communication pattern is in and connects
When connecing state, first antenna works in the first communication pattern, the second Antenna Operation in the second communication pattern.
Its dynamic adjustment process can include：Holding state is in the first communication pattern and the second communication pattern
In the case of, when entering connection status under the first communication pattern, the second antenna is switched to together from the second communication pattern is worked in
When work in the first communication pattern and the second communication pattern；
In the case where the first communication pattern is in connection status, the second communication pattern is in holding state, when second logical
When business is initiated under letter pattern, the second antenna is switched into work from working at the same time in the first communication pattern and the second communication pattern
In the second communication pattern；
In the case where the first communication pattern and the second communication pattern are in connection status, when the industry of the second communication pattern
At the end of business, by the second antenna from work in the second communication pattern switch to work at the same time in the first communication pattern and second communicate
Pattern；
In the service ending of the second communication pattern, if current first communication pattern is in connection status, by second day
Line is worked at the same time in the first communication pattern and the second communication pattern from working in the second communication pattern and switch to；
In the case where the second communication pattern is in holding state, the first communication pattern is in connection status, when first logical
During service ending under letter pattern, the second antenna is switched into work from working at the same time in the first communication pattern and the second communication pattern
Make in the second communication pattern.
When switching the coupling relation between the second antenna and communication unit, it is also possible to including：It is adjusted according to actual demand
The data transfer mode of communication unit and network side under first communication pattern can be handled by ensuring that terminal is received in a manner of single antenna
Business under first communication pattern.
The process that data transfer mode between communication terminal and network side is adjusted may be included：To movement
Air interface signaling interaction between communicating terminal configuration in itself and communication terminal and network side.
Wherein, first communication pattern can be 4G communication patterns, such as LTE communication pattern, include but not limited to FDD-
LTE, TDD-LTE etc..Second communication pattern can be 2G/3G communication patterns, include but not limited to GSM, CDMA, WCDMA,
CDMA2000, TD-SCDMA etc..
With reference to Fig. 6, be in the first mode of communication LTE communication pattern, the second communication pattern be 2G/3G communication patterns,
Antenna combination is that exemplified by including the double antenna combination of first antenna and the second antenna, the specific embodiment of the present invention is explained
It states.
Also referring to Fig. 6 and Fig. 8, in the case where the operating mode of communication terminal is arranged to CSFB patterns, root
Switch the coupling relation between the second antenna 122 and communication unit 110 according to the current communication mode of communication terminal.
Specifically, S810, if currently in the first communication pattern（LTE communication pattern）Lower work, then configure the second antenna
122 are connected to the first communication unit port 1311, that is, distribute to the first communication pattern and exclusively enjoy, in such cases the second antenna 122
It can be referred to as the diversity reception antenna of the first communication pattern；
S820, if currently in the second communication pattern（2G/3G communication patterns）Lower work then configures the second antenna 122 and connects
The second communication unit port 1312 is connected to, that is, distributes to the second communication pattern and exclusively enjoys.
Also referring to Fig. 6 and Fig. 9, double standby is arranged in the operating mode of communication terminal（SVLTE）Pattern
In the case of, default configuration is connected to the second communication unit port 1312 for the second antenna 122.
In the course of work of communication terminal, cut according to the current communication mode of communication terminal and type of service
Change the coupling relation between the second antenna 122 and communication unit 110.
Specifically, S910 searches the net resident stage in start, and the second antenna 122 of configuration is connected to the second communication unit port
1312；At this point, the first communication pattern（LTE communication pattern）With the second communication pattern（2G/3G communication patterns）It is in standby shape
State；
S920, in the case where the first communication pattern and the second communication pattern are in holding state, when the first communication mould
When entering connection status under formula, the second antenna 122 of configuration is connected to third communication unit port 1313；At this point, the second antenna 122
The signal under the first communication pattern and under the second communication pattern is received simultaneously；
S930, in the case where the first communication pattern is in connection status, when initiating speech business under the second communication pattern
（Caller is called）When, the second antenna 122 of configuration is connected to the second communication unit port 1312；At this point, the first communication pattern and
Second communication pattern is in connection status；
S940, in the case where the first communication pattern and the second communication pattern are in connection status, when the second communication mould
At the end of the speech business of formula, the second antenna 122 of configuration is connected to third communication unit port 1313；At this point, the first communication mould
Formula is in connection status, and the second communication pattern is in holding state；
S950, at the end of the speech business of the second communication pattern, if current first communication pattern is in connection status,
It configures the second antenna 122 and is connected to third communication unit port 1313；At this point, the first communication pattern is in connection status, second
Communication pattern is in holding state；
S960, in the case where the second communication pattern is in holding state, the first communication pattern is in connection status, when
At the end of data service under one communication pattern, the second antenna 122 of configuration is connected to the second communication unit port 1312；At this time
One communication pattern and the second communication pattern are in holding state.
It will be understood to those skilled in the art that in above-mentioned specific embodiment, using the double standby scheme of 2 antennas,
When LTE communication pattern and 2G/3G communication patterns are all in IDLE state, LTE communication pattern and 2G/3G communication patterns each make
With a reception antenna, each automatic network detection is carried out, is independent of each other；When LTE communication pattern is in PS connection status and 2G/3G leads to
When letter pattern is in IDLE state, independently using primary antenna, diversity antenna is led to LTE communication pattern by receiving power splitter for LTE
Letter pattern and 2G/3G share；When LTE communication pattern is in PS connection status, and 2G/3G communication patterns initiate CS business, LTE leads to
Letter pattern is received and dispatched using only primary antenna, and diversity antenna is switched to 2G/3G communication patterns receives and dispatches for business.
In for application scenarios for example shown in Fig. 9, inventor further researches and develops discovery, the antenna combination of similar S930
Signal transmission quality problem may be brought with the coupling relation adjustment process of communication unit.
In detail, since LTE communication pattern initiates 2G/ in PS connection status using two antennas, communication terminal
It needs the diversity reception antenna of LTE system being switched to 2G/3G systems completely during 3G, the reception of LTE communication pattern is by 2 at this time
Antenna becomes 1 antenna, following some influences occurs for communication quality：
For the control channels such as PDCCH, PCFICH, when the CS business of 2G/3G occurs, the object of communication terminal
Managing layer can be according to the reception of order adjustment control channel, and since control channel is using transmitting diversity, reception antenna becomes one
Afterwards, antenna reception scheme becomes 4TX/1RX or 2TX/1RX or 1TX/1RX by 4TX/2RX or 2TX/2RX1 or 1TX/2RX,
Diversity gain is simply received without SNR has the decline of 3dB or so, but the receptivity of control signal according to multi-path environment
Redundancy is larger, is influenced less so SNR declines to receive control channel；
For PDSCH MIMO transmissions, become causing the two of PDSCH channels after 1 antenna receives from receiving the reception of 2 antennas
A TB data blocks are disturbed each other, a large amount of error codes occur；For the transmission mode of other PDSCH channels, reception antenna is by 2
Without diversity gain is received after becoming 1, SNR has the decline of 3dB or so according to multi-path environment, since LTE base station is still protected
The data that the code modulation mode of former PDSCH channels is sent to terminal are held, therefore PDSCH channels are also present with error code.
For above-mentioned transmission quality problem, inventor passes through creative work, proposes a kind of new processing mode.Specifically
Ground, when LTE communication pattern is in PS connection status, communication terminal initiates 2G/3G CS caller industry if necessary to parallel
Business, response CS called services or when doing CS domains location area updating, by certain processing procedure so that LTE network side is by LTE systems
The PDSCH channels of system are the transmission under adaptation single antenna reception by the transmission mode Dispatching adjustment under reception diversity or mimo channel
Pattern, afterwards communication terminal reception diversity antenna is stopped using under LTE communication pattern, it is switched to 2G/3G completely
Communication pattern is as sending and receiving antenna.
It is illustrated below by the specific embodiment processing mode new to this.
Referring to Fig. 10, it is a kind of structure diagram of communication terminal.
Communication terminal includes：Upper unit 101, LTE physical layer elements 102 and antenna switching unit 130.It is described
LTE physical layer elements 102 include LTE physical layers control unit 1021, LTE downlinks CPR（CQI/PMI/RI, Channel
Quality Indicator/Precoding Matrix Indicator/Rank Indicator, channel quality are indicated/prelisted
Code matrix instruction/order instruction）Measuring unit 1022, LTE physical layers receiving unit 1023
Wherein, the LTE physical layers control unit 1021 be used for receive the antenna from upper unit 101 switching refer to
When making, the antenna measurement configuration of modification LTE downlink CPR measuring units 1022；The update from network side is being received with confidence
After breath, the update of LTE physical layers receiving unit 1023 is controlled to receive configuration；
The LTE downlinks CPR measuring units 1022 are used to carry out CPR measurements under antenna measurement configuration, in generation
Offer the measurement result of network side；
The LTE physical layers receiving unit 1023 is used to configure letter of the reception from network side according to newer receive
Number；
The upper unit 101 is used in the case where the LTE physical layers receiving unit 1023 updates and receives configuration, control
Antenna switching unit 130 processed carries out the switching of antenna links scenarios.
1, when communication terminal is in the PS connection status of LTE communication pattern is please referred to Fig.1, initiates 2G/3G communication moulds
The process flow of the circuit domain calling service of formula includes：
S111, the upper unit of communication terminal send antenna switching command, LTE objects to LTE physical layer control units
Layer control unit is managed to configure the antenna measurement of LTE downlink CPR measuring units by original 4TX/2RX or 2TX/2RX or 1TX/
2RX is adjusted to 4TX/1RX or 2TX/1RX or 1TX/1RX.
S112, i.e. downlink CPR measuring units only receive first antenna（Primary antenna）Pilot signal carry out CPR measurements, under
RI is arranged to 1 by row CPR measuring units, and it is that 1 and antenna measurement are configured to 4TX/1RX or 2TX/1RX or 1TX/ to carry out RI
Broadband and subband PMI and CQI measurement during 1RX.
S113, if CPR is given the correct time in periodicity at this time, by the measurement result of CPR by PUCCH channel report networks side
（Base station）；If aperiodicity reports, DCI instructions that network side PDCCH channels is waited to carry, by the measurement result of CPR with
By PUSCH channel reporting base stations after Traffic Channel group bag.
In one kind in the specific implementation, reporting pattern for aperiodic, base station indicates mobile communication in downlink PDCCH DCI
Terminal reports PMI/CQI/RI, and above calling time is determined by base station, and in the test CASE of 3GPP, communication terminal is every 1ms
The measurement result of CPR is reported to base station, base station scheduling time delay is 10ms.
For periodically reporting pattern, report cycle is appointed in base station with communication terminal in advance, is moved to time point
Communicating terminal reports PMI/CQI/RI.Give the correct time on broadband, general CQI/PMI report cycles be 8Frame=80ms, RI report cycles
For 4 × 8Frame=320ms；CQI/PMI report cycles are 16Frame=160ms under extreme case, and it is 32 that RI, which reports the time cycle,
×16Frame=5.12s.So communication terminal generally can be obtained by the new PDSCH configurations in base station, extreme feelings in 1s
Condition may have 5~6s.
S114, LTE physical layer receiving unit keep primary antenna configuration and physical layer control channel PCFICH/PDCCH, PBCH
And PHICH, the reception pattern of Traffic Channel PDSCH, wait LTE base station that first antenna is used only according to what step S113 was reported
（Primary antenna）CPR measurement results scheduling during reception adapts to the PDSCH transmission pattern of single antenna reception.
Specifically, LTE physical layer elements obtain base station by decoding the DCI information of PDCCH channels the update of PDSCH are matched somebody with somebody
Confidence ceases, and the configuration of LTE physical layer receiving units is updated after the processing of LTE physical layers control unit, which leads to mobile
News terminal is matched in LTE communication pattern using the wireless transmission environments of 1 reception antenna.
S115, the upper unit of communication terminal control the signal for interrupting diversity reception antenna under the first communication pattern to connect
It receives, which is switched to 2G/3G communication patterns.
S116, communication terminal initiate circuit domain business in 2G/3G cells.
With step S113 CPR may be waited to report the moment it will be understood by those skilled in the art that duration is established in caller
Base station scheduling time delay is waited with LTE communication pattern in step S114 and is increased, it is general to increase within 1s, it is acceptable.
2, when communication terminal is in the PS connection status of LTE communication pattern are please referred to Fig.1, realizes 2G/3G communication moulds
The process flow of the circuit domain called service of formula includes：
S121, communication terminal receive the paging message of 2G/3G cells under 2G/3GIDLE states in receive process
Afterwards, the upper unit of communication terminal sends antenna switching command to LTE physical layer control units.
Step S111 to S115 in S122 to S126, with the specific real-time mode shown in Figure 11 is essentially identical, this does not go to live in the household of one's in-laws on getting married
It states.
S127, communication terminal is in 2G/3G cell response circuits domain called service.
3, when communication terminal is in the PS connection status of LTE communication pattern are please referred to Fig.1, realizes 2G/3G communication moulds
The process flow of the location area updating of formula includes：
For S131, it is necessary to carry out 2G/3G location area updatings, upper unit sends antenna switching to LTE physical layer control units
Instruction.
It will be understood to those skilled in the art that communication terminal needs to carry out the scene bag of 2G/3G location area updatings
It includes but is not limited to：Carry out periodical location area update；Or communication terminal measures discovery under 2G/3GIDLE states and is in
The position area edge of 2G/3G networks.
Step S111 to S115 in S132 to S136, with the specific real-time mode shown in Figure 11 is essentially identical, this does not go to live in the household of one's in-laws on getting married
It states.
S137, communication terminal is in 2G/3G cell launch positions area more new business.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Relevant hardware to be instructed to complete by program, which can be stored in a computer readable storage medium, storage
Medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the scope of restriction.
Claims (7)
1. the method for 2G/3G circuit domain called services is realized under a kind of LTE PS connection status, which is characterized in that including：
The operating mode of communication terminal is under SVLTE patterns, is received under 2G/3G system IDLE states in receive process
After the paging message of 2G/3G cells, terminal upper unit sends antenna switching command to LTE physical layers；
When receiving the antenna switching command for coming self terminal upper strata, the antenna measurement of LTE physical layers modification downlink CPR measurements is matched somebody with somebody
It puts；
LTE physical layers carry out downlink CPR measurements under antenna measurement configuration, and generation is reported to the measurement result of network side；
It receiving after update configuration information of the network side for the measurement result, the update of LTE physical layers receives configuration,
To adapt to the data-transmission mode of single antenna reception；
LTE physical layers configure signal of the reception from network side using newer receive；
In the case where the LTE physical layers update and receive configuration, control terminal antenna links scenarios are cut on the terminal upper strata
It changes；
In 2G/3G cell response circuits domain called service.
2. realizing the method for 2G/3G circuit domain called services under LTE PS connection status as described in claim 1, feature exists
In the switching of the control terminal antenna links scenarios includes：Control the signal that diversity reception antenna is interrupted under LTE communication pattern
It receives, which is switched to 2G/3G communication patterns.
3. realizing the method for 2G/3G circuit domain called services under LTE PS connection status as described in claim 1, feature exists
In the antenna measurement configuration of the modification downlink CPR measurements includes：The antenna measurement that downlink CPR is measured is configured by 4TX/2RX
Or 2TX/2RX or 1TX/2RX are adjusted to 4TX/1RX or 2TX/1RX or 1TX/1RX.
4. realizing the method for 2G/3G circuit domain called services under LTE PS connection status as described in claim 1, feature exists
In the progress downlink CPR measurements include：The pilot signal of primary antenna is only received, it is that 1 and antenna measurement are configured to carry out RI
Broadband and subband PMI and CQI measurement during 4TX/1RX or 2TX/1RX or 1TX/1RX.
5. realizing the method for 2G/3G circuit domain called services under LTE PS connection status as described in claim 1, feature exists
In described measurement result is reported to network side to include：If CPR is given the correct time in periodicity, by the measurement result of CPR by
PUCCH channel report networks side.
6. realizing the method for 2G/3G circuit domain called services under LTE PS connection status as described in claim 1, feature exists
In described measurement result is reported to network side to include：If aperiodicity reports, network side PDCCH channels are being received
After the DCI instructions of carrying, instructed according to the DCI by the measurement result of CPR with being reported after Traffic Channel group bag by PUSCH channels
Network side.
7. realizing the method for 2G/3G circuit domain called services under LTE PS connection status as described in claim 1, feature exists
In the update, which receives configuration, to be included：By decoding the DCI information of PDCCH channels, obtain network side and the update of PDSCH is matched somebody with somebody
Confidence ceases, and configuration is received according to the update configuration information update；To adapt to the PDSCH transmission pattern of single antenna reception.
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| CN102413532A (en) * | 2011-12-13 | 2012-04-11 | 华为终端有限公司 | LTE (long term evolution) single-card dual-standby multimode terminal and PS (packet switching) service switching method thereof |
| CN103368622A (en) * | 2012-03-27 | 2013-10-23 | 联芯科技有限公司 | Multi-mode dual standby terminal and method for distributing antenna resources thereof |
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| CN103368622A (en) * | 2012-03-27 | 2013-10-23 | 联芯科技有限公司 | Multi-mode dual standby terminal and method for distributing antenna resources thereof |
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