CN107069241A - Carrier aggregation radio circuit and the method for it - Google Patents
Carrier aggregation radio circuit and the method for it Download PDFInfo
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- CN107069241A CN107069241A CN201710129672.6A CN201710129672A CN107069241A CN 107069241 A CN107069241 A CN 107069241A CN 201710129672 A CN201710129672 A CN 201710129672A CN 107069241 A CN107069241 A CN 107069241A
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- frequency
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- frequency range
- carrier aggregation
- working
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Abstract
The invention provides a kind of carrier aggregation radio circuit, including first antenna, the second antenna, judgment means and switching device, wherein：The judgment means are used for the carrier aggregation working condition for judging single channel working condition or the first frequency range and the second frequency range that the carrier aggregation radio circuit is in the first frequency range；And the working condition that the switching device judges according to the judgment means, first frequency range is switched to and uses the first antenna or second antenna.
Description
Technical field
The present invention relates to the communication technology, and in particular to a kind of carrier aggregation radio circuit and for the carrier aggregation radio frequency electrical
The method on road.
Background technology
The difficult point of two-way descending carrier polymerization (hereinafter referred to as " carrier aggregation ") is that two frequency ranges work simultaneously, to radio frequency
The design of front end and antenna brings very big difficulty.Usually, while two frequency ranges of work are respectively using two antennas
In one.For some frequency range, no matter it is in single channel working condition or worked with the carrier aggregation of another frequency range
State, its used antenna is changeless.
Antenna generally is designed to include first antenna and the second antenna by the Antenna Design of carrier aggregation.The work of first antenna
Working frequency is generally 1710MHz~2690MHz, and the working frequency of the second antenna is generally 699MHz~960MHz.But, for
Some carrier aggregations combine the carrier aggregation frequency range of frequency ranges, such as Docomo companies of Japan, it include frequency it is higher in it is frequent
Section Band 1：1920MHz~2170MHz and relatively low intermediate-frequency band the Band 21 of frequency：1448MHz~1511MHz, wherein
Band 21 is the frequency range that a usual antenna will not be covered, and the whole world only has mono- operator of Docomo and used.If the frequency range is set
It is calculated as using first antenna, then it can not be supported to be worked simultaneously with the frequency ranges of Band 1, if being designed to use the second antenna,
Because the wavelength of low-frequency range is longer, required antenna area is big, and debugging is difficult, and antenna efficiency is poor, and emitting performance can not be up to standard.
The content of the invention
One aspect of the present invention provides a kind of carrier aggregation radio circuit, including first antenna, the second antenna, judgement
Device and switching device, wherein：The judgment means are used for the list for judging that the carrier aggregation radio circuit is in the first frequency range
The carrier aggregation working condition of road working condition or the first frequency range and the second frequency range；And the switching device is sentenced according to
The working condition that disconnected device judges, first frequency range is switched to and uses the first antenna or second antenna.
Alternatively, the working frequency of the first antenna include the relatively low intermediate-frequency band of frequency and frequency it is higher in again and again
Section；The working frequency of second antenna includes the relatively low intermediate-frequency band of the frequency and low frequency band；The first frequency range bag
Include the relatively low intermediate-frequency band of the frequency；Second frequency range includes the higher intermediate-frequency band of the frequency；When judgment means are sentenced
When the carrier aggregation radio circuit that breaks is in the single channel working condition of first frequency range, the switching device is by described first
Frequency range, which is switched to, uses the first antenna；And when judgment means judge that the carrier aggregation radio circuit is in described first
During the carrier aggregation working condition of frequency range and second frequency range, first frequency range is switched to and uses institute by the switching device
The second antenna is stated, second frequency range is switched to and uses the first antenna.
Alternatively, the working frequency of the first antenna includes 1448MHz~2690MHz；The work of second antenna
Frequency includes 699MHz~1511MHz；First frequency range includes 1448MHz~1511MHz；And second frequency range includes
1920MHz~2170MHz.
Alternatively, the carrier aggregation radio circuit also includes third antenna, wherein：The working frequency bag of the first antenna
Include the higher intermediate-frequency band of frequency and high-frequency band；The working frequency of second antenna includes low frequency band and ultralow frequent
Section；First frequency range includes high-frequency band；Second frequency range includes the higher intermediate-frequency band of the frequency；Work as judgment means
When judging that the carrier aggregation radio circuit is in the single channel working condition of first frequency range, the switching device is by described the
One frequency range, which is switched to, uses the first antenna；When judgment means judge that the carrier aggregation radio circuit is in the described first frequency
During the carrier aggregation working condition of section and second frequency range, the switching device switches to first frequency range using described
Third antenna, second frequency range is switched to and uses the first antenna.
Alternatively, the working frequency of the first antenna includes 1710MHz~2690MHz；The work of second antenna
Frequency includes 699MHz~960MHz；First frequency range includes 2500MHz~2690MHz；And second frequency range includes
1710MHz~1880MHz.
Alternatively, the third antenna is WIFI 2.4G antennas.
Alternatively, the working frequency of the first antenna includes the higher intermediate-frequency band of frequency and high-frequency band；Described
The working frequency of two antennas includes low frequency band and ultralow frequency frequency range；First frequency range includes low frequency band；Second frequency
Section includes ultralow frequency frequency range；When judgment means judge that the carrier aggregation radio circuit is in the single channel work of first frequency range
During state, first frequency range is switched to and uses second antenna by the switching device；And when judgment means judge institute
When stating carrier aggregation working condition of the carrier aggregation radio circuit in first frequency range and second frequency range, the switching
Device switches to first frequency range using the first antenna, and second frequency range is switched to and used described second day
Line.
Alternatively, the working frequency of the first antenna includes 1710MHz~2690MHz；The work of second antenna
Frequency includes 699MHz~960MHz；First frequency range includes 791MHz~861MHz；And second frequency range includes
703MHz~803MHz.
Another aspect provides a kind of method for carrier aggregation radio circuit, the carrier aggregation radio frequency
Circuit includes first antenna and the second antenna, and methods described includes：Judge that the carrier aggregation radio circuit is in the first frequency range
Single channel working condition or the first frequency range and the second frequency range carrier aggregation working condition；And according to the work shape of judgement
State, first frequency range is switched to and uses the first antenna or second antenna.
Alternatively, the working frequency of the first antenna include the relatively low intermediate-frequency band of frequency and frequency it is higher in again and again
Section；The working frequency of second antenna includes the relatively low intermediate-frequency band of the frequency and low frequency band；The first frequency range bag
Include the relatively low intermediate-frequency band of the frequency；Second frequency range includes the higher intermediate-frequency band of the frequency；And according to judgement
Working condition, first frequency range is switched to be included using the first antenna or second antenna：When judging carrier wave
When polymerizeing single channel working condition of the radio circuit in first frequency range, first frequency range is switched to and uses described first
Antenna；And work as the carrier aggregation work shape for judging that carrier aggregation radio circuit is in first frequency range and second frequency range
During state, first frequency range is switched to using second antenna, second frequency range is switched to and used described first day
Line.
Alternatively, the working frequency of the first antenna includes 1448MHz~2690MHz；The work of second antenna
Frequency includes 699MHz~1511MHz；First frequency range includes 1448MHz~1511MHz；And second frequency range includes
1920~2170MHz.
Alternatively, the carrier aggregation radio circuit also includes third antenna；The working frequency of the first antenna includes
The higher intermediate-frequency band of frequency and high-frequency band；The working frequency of second antenna includes low frequency band and ultralow frequency frequency range；
First frequency range includes high-frequency band；Second frequency range includes the higher intermediate-frequency band of the frequency；And according to judgement
Working condition, first frequency range is switched to be included using the first antenna or second antenna：When judging carrier wave
When polymerizeing single channel working condition of the radio circuit in first frequency range, first frequency range is switched to and uses described first
Antenna；When judging that carrier aggregation radio circuit is in the carrier aggregation working condition of first frequency range and second frequency range
When, the switching device switches to first frequency range using the third antenna, and second frequency range is switched to and used
The first antenna.
Alternatively, the working frequency of the first antenna includes 1710MHz~2690MHz；The work of second antenna
Frequency includes 699MHz~960MHz；First frequency range is 2500MHz~2690MHz；And second frequency range is
1710MHz~1880MHz.
Alternatively, the third antenna is WIFI 2.4G antennas.
Alternatively, the working frequency of the first antenna includes the higher intermediate-frequency band of frequency and high-frequency band；Described
The working frequency of two antennas includes low frequency band and ultralow frequency frequency range；First frequency range includes low frequency band；Second frequency
Section includes ultralow frequency frequency range；And according to the working condition of judgement, first frequency range is switched to and uses the first antenna
Or second antenna includes：, will when judging that carrier aggregation radio circuit is in the single channel working condition of first frequency range
First frequency range, which is switched to, uses second antenna；When judge carrier aggregation radio circuit be in first frequency range and institute
When stating the carrier aggregation working condition of the second frequency range, first frequency range is switched to using the first antenna, by described the
Two frequency ranges, which are switched to, uses second antenna.
Alternatively, the working frequency of the first antenna includes 1710MHz~2690MHz；The work of second antenna
Frequency includes 699MHz~960MHz；First frequency range includes 791MHz~861MHz；And second frequency range includes
703MHz~803MHz.
Brief description of the drawings
For a more complete understanding of the present invention and its advantage, referring now to the following description with reference to accompanying drawing, wherein：
Fig. 1 shows the block diagram of carrier aggregation radio circuit according to embodiments of the present invention.
Fig. 2 a and Fig. 2 b diagrammatically illustrate two kinds of work shapes of carrier aggregation radio circuit according to embodiments of the present invention
State.
Fig. 3 a and Fig. 3 b diagrammatically illustrate two kinds of work shapes of carrier aggregation radio circuit according to embodiments of the present invention
State.
Fig. 4 a and Fig. 4 b diagrammatically illustrate two kinds of work shapes of carrier aggregation radio circuit according to embodiments of the present invention
State.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in further detail.
Fig. 1 shows the block diagram of carrier aggregation radio circuit 100 according to embodiments of the present invention.
As shown in figure 1, the carrier aggregation radio circuit 100 includes first antenna 101, the second antenna 102, judgment means
103 and switching device 104.The carrier aggregation radio circuit 100 can be operated in the carrier aggregation of the first frequency range and the second frequency range
Under working condition.
Embodiments in accordance with the present invention, judgment means 103 can for example include modem, for judging the carrier wave
The carrier aggregation for polymerizeing single channel working condition or the first frequency range and the second frequency range that radio circuit 100 is in the first frequency range works
State.
Embodiments in accordance with the present invention, switching device 104 can for example include one or more switches.Switching device 104
The working condition judged according to the judgment means 103, the first frequency range is switched to and uses the antenna of first antenna 101 or second
102, to realize the transmission or reception of signal.
Fig. 2 a and Fig. 2 b diagrammatically illustrate two kinds of work of carrier aggregation radio circuit 100 according to embodiments of the present invention
State.
In this embodiment, the working frequency of first antenna includes the relatively low intermediate-frequency band and the higher intermediate frequency of frequency of frequency
Frequency range, the working frequency of second antenna includes the relatively low intermediate-frequency band of the frequency and low frequency band.According to the present invention's
Embodiment, the relatively low intermediate-frequency band of frequency can for example include the frequency ranges of Band 21 (1448MHz~1511MHz), and frequency is higher
Intermediate-frequency band can for example include 1710MHz~2170MHz, and low frequency band can for example include 824~960MHz.
For example, the working frequency of the first antenna of carrier aggregation radio circuit 100 can include 1448MHz~2690MHz,
The working frequency of second antenna can include 699MHz~1511MHz.
Carrier aggregation radio circuit 100 may be at the single channel working condition of the first frequency range or the second frequency range, can also locate
In the first frequency range and the carrier aggregation working condition of the second frequency range.Embodiments in accordance with the present invention, the first frequency range can include frequency
The relatively low intermediate-frequency band of rate, for example, can include the frequency ranges of Band 21 (1448MHz~1511MHz), and the second frequency range can include frequency
The higher intermediate-frequency band of rate, for example, can include Band1 frequency ranges (1920~2170MHz).
As shown in Figure 2 a, when judgment means 103 judge that carrier aggregation radio circuit 100 is in the single channel work of the first frequency range
During state, the first frequency range is switched to and uses first antenna 101 by switching device 104.
As shown in Figure 2 b, when judgment means 103 judge that carrier aggregation radio circuit 100 is in the first frequency range and the second frequency range
Carrier aggregation working condition when, switching device 104 switches to first frequency range using the second antenna 102, by second frequency
Section, which is switched to, uses first antenna 101.
In debugging, the relatively low intermediate-frequency band of frequency is mainly put into first antenna 101 and debugged, its efficiency is met the frequency
The TRP/TIS requirements of section.In the second antenna 102, the debugging of the frequency range is also taken into account.In carrier aggregation, the frequency range, which only has, to be connect
Receiving portions work, and the requirement to antenna efficiency is lower slightly.So, access efficiency is relatively low in carrier aggregation by the frequency range second day
Line 102, can also meet its antenna index request.Meanwhile, the intermediate-frequency band that the frequency of carrier aggregation is higher uses first antenna
101, its requirement to antenna index can be met.
So, when the carrier radio frequency polymerize circuit in the single channel working condition of the relatively low intermediate-frequency band of frequency, the is used
One antenna is transmitted/received, and transmitting/reception index request can be met well.When carrier radio frequency polymerization circuit is in frequency
During the carrier aggregation working condition of the relatively low intermediate-frequency band of rate and the higher intermediate-frequency band of frequency, the relatively low intermediate-frequency band of frequency makes
Received with the second relatively low antenna of working frequency, disclosure satisfy that its receptivity index request, during frequency is higher again and again
Section can also meet its receptivity index request well using the higher first antenna of working frequency.
This way it is not necessary to which the second Antenna Design is sent and received into index for meet the relatively low intermediate-frequency band of frequency simultaneously
It is required that, design and debugging difficulty can be significantly reduced, circuit area is saved, manufacturing cost is reduced.
Carrier radio frequency polymerization circuit 100 according to embodiments of the present invention can also support other frequency ranges to combine, as described below.
Fig. 3 a and Fig. 3 b diagrammatically illustrate two kinds of work of carrier aggregation radio circuit 100 according to embodiments of the present invention
State.
In this embodiment, the working frequency of the first antenna of carrier aggregation radio circuit 100 can be higher including frequency
Intermediate-frequency band and high-frequency band (for example, 2300MHz~2690MHz), for example can include 1710MHz~2690MHz, second
The working frequency of antenna can include low frequency band and ultralow frequency frequency range (for example, 699MHz~824MHz), for example, can include
699MHz~960MHz.In this embodiment, carrier aggregation radio circuit 100 also includes third antenna 105, the third antenna
105 working frequency is higher than the working frequency of first antenna, for example, can be WIFI 2.4G antennas.
Carrier aggregation radio circuit 100 may be at the single channel working condition of the first frequency range or the second frequency range, and electricity can be located
In the first frequency range and the carrier aggregation working condition of the second frequency range.Embodiments in accordance with the present invention, the first frequency range can include height
Frequent section, for example, can include 2500MHz~2690MHz, and the second frequency range can include the higher intermediate-frequency band of frequency, for example may be used
With including 1710MHz~1880MHz.
As shown in Figure 3 a, when judgment means 103 judge that carrier aggregation radio circuit 100 is in the single channel work of the first frequency range
During state, the first frequency range is switched to and uses first antenna 101 by switching device 104.
As shown in Figure 3 b, when judgment means 103 judge that carrier aggregation radio circuit 100 is in the first frequency range and the second frequency range
Carrier aggregation working condition when, switching device 104 switches to first frequency range using third antenna 105, the second frequency range
Use first antenna 101.
So, when carrier aggregation radio circuit is in the single channel working condition of high-frequency band, it disclosure satisfy that the hair of antenna
Give/index request is received, when the carrier aggregation working condition in high-frequency band and the higher intermediate-frequency band of frequency, Neng Gouman
Foot receives index request.Meanwhile, because need not be not only suitable for the second relatively low antenna adjustment of working frequency to send also fits
For receiving, design and debugging difficulty can be significantly reduced, circuit area is saved, manufacturing cost is reduced.
Fig. 4 a and Fig. 4 b diagrammatically illustrate two kinds of work of carrier aggregation radio circuit 100 according to embodiments of the present invention
State.
In this embodiment, the working frequency of the first antenna of carrier aggregation radio circuit 100 can be higher including frequency
Intermediate-frequency band and high-frequency band, can for example include 1710MHz~2690MHz, the working frequency of the second antenna can include
Low frequency band and ultralow frequency frequency range, for example, can include 699MHz~960MHz.Carrier aggregation radio circuit 100 may be at
The single channel working condition of one frequency range or the second frequency range, can also be in the carrier aggregation work shape of the first frequency range and the second frequency range
State.Embodiments in accordance with the present invention, the first frequency range can include low frequency band, for example, can include 791MHz~861MHz, the
Two frequency ranges can include ultralow frequency frequency range, for example, can include 703MHz~803MHz.
As shown in fig. 4 a, when judgment means 103 judge that carrier aggregation radio circuit 100 is in the single channel work of the first frequency range
During state, switching device 104 switches to the first frequency range using the second antenna 102.
As shown in Figure 4 b, when judgment means 103 judge that carrier aggregation radio circuit 100 is in the first frequency range and the second frequency range
Carrier aggregation working condition when, switching device 104 switches to first frequency range using first antenna 101, the second frequency range
Use the second antenna 102.
So, when carrier aggregation radio circuit is in the single channel working condition of low frequency band, it disclosure satisfy that the hair of antenna
Give/index request is received, when the carrier aggregation working condition in low frequency band and ultralow frequency frequency range, it also disclosure satisfy that reception
Index request.Meanwhile, it is also applied for connecing because the second relatively low antenna adjustment of working frequency need not be not only suitable for into transmission
Receive, design and debugging difficulty can be significantly reduced, save circuit area, reduce manufacturing cost.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, it should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc. should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of carrier aggregation radio circuit, including first antenna, the second antenna, judgment means and switching device, wherein：
The judgment means are used for the single channel working condition or for judging that the carrier aggregation radio circuit is in the first frequency range
The carrier aggregation working condition of one frequency range and the second frequency range；And
The working condition that the switching device judges according to the judgment means, first frequency range is switched to using described the
One antenna or second antenna.
2. carrier aggregation radio circuit according to claim 1, wherein using following any configuration：
First configuration：The working frequency of the first antenna include the relatively low intermediate-frequency band of frequency and frequency it is higher in again and again
Section, the working frequency of second antenna includes the relatively low intermediate-frequency band of the frequency and low frequency band, the first frequency range bag
The relatively low intermediate-frequency band of the frequency is included, second frequency range includes the higher intermediate-frequency band of the frequency, when judgment means are sentenced
When the carrier aggregation radio circuit that breaks is in the single channel working condition of first frequency range, the switching device is by described first
Frequency range, which is switched to, uses the first antenna；And when judgment means judge that the carrier aggregation radio circuit is in described first
During the carrier aggregation working condition of frequency range and second frequency range, first frequency range is switched to and uses institute by the switching device
The second antenna is stated, second frequency range is used into the first antenna；Or
Second configuration：The carrier aggregation radio circuit also includes third antenna, wherein：The working frequency bag of the first antenna
The higher intermediate-frequency band of frequency and high-frequency band are included, the working frequency of second antenna includes low frequency band and ultralow frequent
Section, first frequency range includes high-frequency band, and second frequency range includes the higher intermediate-frequency band of the frequency, works as judgment means
When judging that the carrier aggregation radio circuit is in the single channel working condition of first frequency range, the switching device is by described the
One frequency range is switched to using the first antenna, when judgment means judge that the carrier aggregation radio circuit is in the described first frequency
During the carrier aggregation working condition of section and second frequency range, the switching device switches to first frequency range using described
Third antenna, second frequency range is switched to and uses the first antenna；Or
3rd configuration：The working frequency of the first antenna includes the higher intermediate-frequency band of frequency and high-frequency band, described second
The working frequency of antenna includes low frequency band and ultralow frequency frequency range, and first frequency range includes low frequency band, second frequency range
Including ultralow frequency frequency range, when judgment means judge that the carrier aggregation radio circuit is in the single channel work shape of first frequency range
During state, the switching device switches to first frequency range using second antenna, and when judgment means judge described carry
When ripple polymerization radio circuit is in the carrier aggregation working condition of first frequency range and second frequency range, the switching device
First frequency range is switched to using the first antenna, second frequency range is switched to and uses second antenna.
3. carrier aggregation radio circuit according to claim 2, wherein：
For the described first configuration：The working frequency of the first antenna includes 1448MHz~2690MHz, second antenna
Working frequency include 699MHz~1511MHz, first frequency range include 1448MHz~1511MHz, the second frequency range bag
Include 1920MHz~2170MHz；
For the described second configuration：The working frequency of the first antenna includes 1710MHz~2690MHz, second antenna
Working frequency include 699MHz~960MHz, first frequency range include 2500MHz~2690MHz, the second frequency range bag
Include 1710MHz~1880MHz；And/or the third antenna is WIFI 2.4G antennas；And
For the described 3rd configuration：The working frequency of the first antenna includes 1710MHz~2690MHz, second antenna
Working frequency include 699MHz~960MHz, first frequency range includes 791MHz~861MHz, and second frequency range includes
703MHz~803MHz.
4. a kind of method for carrier aggregation radio circuit, the carrier aggregation radio circuit includes first antenna and second day
Line, methods described includes：
Judge that the carrier aggregation radio circuit is in the single channel working condition or the first frequency range and the second frequency range of the first frequency range
Carrier aggregation working condition；And
According to the working condition of judgement, first frequency range is switched to and uses the first antenna or second antenna.
5. method according to claim 4, wherein：
The working frequency of the first antenna includes the relatively low intermediate-frequency band and the higher intermediate-frequency band of frequency of frequency；
The working frequency of second antenna includes the relatively low intermediate-frequency band of the frequency and low frequency band；
First frequency range includes the relatively low intermediate-frequency band of the frequency；
Second frequency range includes the higher intermediate-frequency band of the frequency；And
According to the working condition of judgement, first frequency range is switched to and uses the first antenna or the second antenna bag
Include：
When judging that carrier aggregation radio circuit is in the single channel working condition of first frequency range, first frequency range is switched
To use the first antenna；And
When judging that carrier aggregation radio circuit is in the carrier aggregation working condition of first frequency range and second frequency range,
First frequency range is switched to using second antenna, second frequency range is switched to and uses the first antenna.
6. method according to claim 5, wherein：
The working frequency of the first antenna includes 1448MHz~2690MHz；
The working frequency of second antenna includes 699MHz~1511MHz；
First frequency range includes 1448MHz~1511MHz；And
Second frequency range includes 1920~2170MHz.
7. method according to claim 4, wherein：
The carrier aggregation radio circuit also includes third antenna；
The working frequency of the first antenna includes the higher intermediate-frequency band of frequency and high-frequency band；
The working frequency of second antenna includes low frequency band and ultralow frequency frequency range；
First frequency range includes high-frequency band；
Second frequency range includes the higher intermediate-frequency band of the frequency；And
According to the working condition of judgement, first frequency range is switched to and uses the first antenna or the second antenna bag
Include：
When judging that carrier aggregation radio circuit is in the single channel working condition of first frequency range, first frequency range is switched
To use the first antenna；
When judging that carrier aggregation radio circuit is in the carrier aggregation working condition of first frequency range and second frequency range,
The switching device switches to first frequency range using the third antenna, and second frequency range is switched to using described
First antenna.
8. method according to claim 7, wherein：
The working frequency of the first antenna includes 1710MHz~2690MHz, and the working frequency of second antenna includes
699MHz~960MHz, first frequency range is 2500MHz~2690MHz, and second frequency range is 1710MHz~1880MHz；
And/or.
The third antenna is WIFI 2.4G antennas.
9. method according to claim 4, wherein：
The working frequency of the first antenna includes the higher intermediate-frequency band of frequency and high-frequency band；
The working frequency of second antenna includes low frequency band and ultralow frequency frequency range；
First frequency range includes low frequency band；
Second frequency range includes ultralow frequency frequency range；And
According to the working condition of judgement, first frequency range is switched to and uses the first antenna or the second antenna bag
Include：
When judging that carrier aggregation radio circuit is in the single channel working condition of first frequency range, first frequency range is switched
To use second antenna；
When judging that carrier aggregation radio circuit is in the carrier aggregation working condition of first frequency range and second frequency range,
First frequency range is switched to using the first antenna, second frequency range is switched to and uses second antenna.
10. method according to claim 9, wherein：
The working frequency of the first antenna includes 1710MHz~2690MHz；
The working frequency of second antenna includes 699MHz~960MHz；
First frequency range includes 791MHz~861MHz；And
Second frequency range includes 703MHz~803MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710129672.6A CN107069241B (en) | 2017-03-06 | 2017-03-06 | Carrier aggregation radio frequency circuit and method therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129672.6A CN107069241B (en) | 2017-03-06 | 2017-03-06 | Carrier aggregation radio frequency circuit and method therefor |
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| CN107069241A true CN107069241A (en) | 2017-08-18 |
| CN107069241B CN107069241B (en) | 2020-05-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112804039A (en) * | 2020-12-31 | 2021-05-14 | 联想(北京)有限公司 | Carrier aggregation radio frequency system, control method and electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107069241B (en) | 2020-05-26 |
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