CN106357293B - Radio circuit and wireless communication device with the radio circuit - Google Patents

Radio circuit and wireless communication device with the radio circuit Download PDF

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Publication number
CN106357293B
CN106357293B CN201610758537.3A CN201610758537A CN106357293B CN 106357293 B CN106357293 B CN 106357293B CN 201610758537 A CN201610758537 A CN 201610758537A CN 106357293 B CN106357293 B CN 106357293B
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CN
China
Prior art keywords
frequency
radio
path
signal
demultiplexer
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Application number
CN201610758537.3A
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Chinese (zh)
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CN106357293A (en
Inventor
区杰俊
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宇龙计算机通信科技(深圳)有限公司
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Priority to CN201610758537.3A priority Critical patent/CN106357293B/en
Publication of CN106357293A publication Critical patent/CN106357293A/en
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Publication of CN106357293B publication Critical patent/CN106357293B/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges

Abstract

A kind of radio circuit and the wireless communication device with the radio circuit, the radio circuit include: Anneta module;Transceiver;And first radio-frequency module, it is connected with the transceiver and the Anneta module, for receiving and dispatching the signal of the first frequency range and the second frequency range;Second radio-frequency module, it is connected with the transceiver and the Anneta module, for receiving and dispatching the signal of third frequency range, wherein, first radio-frequency module includes concatenated first frequency demultiplexer and the second frequency demultiplexer, the transceiver is connected through the first radio frequency path and the second radio frequency path with first frequency demultiplexer respectively, first radio frequency path and the second radio frequency path are merged into HW highway by first frequency demultiplexer, and the second frequency demultiplexer is connected to through the HW highway, the HW highway is divided into third radio frequency path and the 4th radio frequency path by second frequency demultiplexer, and it is connected through the third radio frequency path and the 4th radio frequency path with the Anneta module.

Description

Radio circuit and wireless communication device with the radio circuit

Technical field

The present invention relates to fields of communication technology, and in particular to a kind of radio circuit and the wireless communication with the radio circuit Device.

Background technique

When the radio circuit of wireless communication device carries out the signal transmission of multiple frequency ranges at present, generally selected using filter The frequency band signals that need to be transmitted, but filter is difficult to inhibit the higher hamonic wave generated in signals transmission, these Higher hamonic wave will lead to extraneous (such as receiver) and be interfered, meanwhile, it can also reduce the sensitive of radio circuit itself receiving and transmitting signal Degree.

Summary of the invention

In view of the foregoing, it is necessary to which a kind of radio circuit that radio-frequency performance can be improved is provided.The radio circuit can inhibit The higher hamonic wave generated in signals transmission reduces interference of these higher hamonic waves to extraneous (such as receiver), meanwhile, it improves Itself receiving signal sensitivity.

A kind of radio circuit, the radio circuit include:

Anneta module;

Transceiver;And

First radio-frequency module is connected with the transceiver and the Anneta module, for receiving and dispatching the first frequency range and the second frequency range Signal;

Second radio-frequency module is connected with the transceiver and the Anneta module, for receiving and dispatching the signal of third frequency range, wherein First radio-frequency module includes concatenated first frequency demultiplexer and the second frequency demultiplexer, and the transceiver is respectively through the first radio frequency path and Two radio frequency paths are connected with first frequency demultiplexer, which merges into public affairs for the first radio frequency path and the second radio frequency path Common road, and it is connected to the second frequency demultiplexer through the HW highway, which is divided into third radio frequency for the HW highway and leads to Road and the 4th radio frequency path, and be connected through the third radio frequency path and the 4th radio frequency path with the Anneta module, first frequency range Signal received and dispatched through first radio frequency path, HW highway and third radio frequency path, the signal of second frequency range through this Two radio frequency paths, HW highway and the 4th radio frequency path are received and dispatched.

According to one preferred embodiment of the present invention, which includes concatenated low noise amplifier and filter, is somebody's turn to do Transceiver is connected through the 5th radio frequency path with the low noise amplifier, which is connected with the Anneta module, the third frequency range Signal is received and dispatched through the 5th radio frequency path.

According to one preferred embodiment of the present invention, which includes the first pin, second pin and third pin, is used respectively In drawing first radio frequency path, the second radio frequency path and the 5th radio frequency path, and through first radio frequency path and the second radio frequency Access is connected with first radio-frequency module, is connected through the 5th radio frequency path with second module.

According to one preferred embodiment of the present invention, which further includes third frequency demultiplexer, the third frequency demultiplexer one end with Second frequency demultiplexer and the filter are connected, and the other end is connected with the Anneta module.

According to one preferred embodiment of the present invention, which includes first antenna and the second antenna, which is Single-band antenna, for receiving and dispatching the signal of first frequency range, which is dual-band antenna, for receiving and dispatching second frequency range and being somebody's turn to do The signal of third frequency range.

According to one preferred embodiment of the present invention, the letter of the signal of first frequency range, the signal of the second frequency range and third frequency range Number be respectively 2.4G frequency range, 5G frequency range and GPS frequency range signal.

According to one preferred embodiment of the present invention, first frequency demultiplexer and the second frequency demultiplexer are pair for supporting 2.4G and 5G frequency range Frequency frequency demultiplexer.

A kind of wireless communication device includes controller and the radio circuit that is connected with the controller, which is characterized in that this is penetrated Frequency circuit is above-mentioned radio circuit.

Compared to the prior art, radio circuit of the invention can support 2.4G, 5G and GPS multiband wireless communications, first Radio-frequency module realizes the processing of radiofrequency signal using a pair of cascade first frequency demultiplexer and the second frequency demultiplexer.Due to first frequency Point device and the second frequency demultiplexer have a good isolation effect between height frequency range, and this frequency demultiplexer can both effectively inhibit the One frequency band signals receive and dispatch the higher harmonic components that access generates, and access can also be received and dispatched for the second frequency band signals plays low-pass filtering Effect, so that interference of the subharmonic to extraneous (such as receiver) can be effectively reduced, moreover it is possible to it is sensitive to improve itself reception signal Degree.

Detailed description of the invention

It is the circuit diagram of the radio circuit of present pre-ferred embodiments shown in Fig. 1.

Main element symbol description

Radio circuit 100 Transceiver 10 First pin 11 Second pin 13 Third pin 15 First radio-frequency module 30 First frequency demultiplexer 31 Second frequency demultiplexer 33 Second radio-frequency module 50 Low noise amplifier 51 Filter 53 Anneta module 70 First antenna 71 Second antenna 73 Third frequency demultiplexer 90

The present invention that the following detailed description will be further explained with reference to the above drawings.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is purged, is complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.

Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Refering to what is shown in Fig. 1, being the circuit diagram of the radio circuit of present pre-ferred embodiments.The radio circuit 100 is for moving Mobile phone, PDA(Personal Digital Assistant, personal digital assistant) etc. wireless communication devices, can with it is wireless Controller in communication device is connected, and carries out the transmitting-receiving of the signal of multiple frequency ranges.The radio circuit 100 includes transceiver 10, the One radio-frequency module 30, the second radio-frequency module 50 and Anneta module 70.First radio-frequency module 30 and second radio-frequency module 50 It is connected between the transceiver 10 and the Anneta module 70, first radio-frequency module 30 is for receiving and dispatching the first frequency range and the second frequency range Signal, which is used to receive and dispatch the signal of third frequency range.In the preferred embodiment, the letter of first frequency range Number, the signal of the signal of the second frequency range and third frequency range be respectively the signal of 2.4G frequency range, 5G frequency range and GPS frequency range.

The transceiver 10 includes the first pin 11, second pin 13 and third pin 15, is respectively used to draw for receiving and dispatching First radio frequency path of the signal of the signal of first frequency range, the signal of the second frequency range and third frequency range, the second radio frequency path and 5th radio frequency path.Wherein, first pin 11 and second pin 13 are respectively through first radio frequency path and the second radio frequency path It is connected with first radio-frequency module 30, which is connected through the 5th radio frequency path with second radio-frequency module 50.

First radio-frequency module 30 include concatenated first frequency demultiplexer 31 and the second frequency demultiplexer 33, the first of the transceiver 10 Pin 11, second pin 13 are connected through the first radio frequency path and the second radio frequency path with first frequency demultiplexer 31 respectively, this first First radio frequency path and the second radio frequency path are incorporated into HW highway by frequency demultiplexer 31, and are sent to the second frequency through the HW highway Divide device 33, which is divided into third radio frequency path and the 4th radio frequency path for the HW highway, and penetrates through the third Frequency access and the 4th radio frequency path are connected with the Anneta module 70.

Second radio-frequency module 50 includes concatenated low noise amplifier 51 and filter 53, which penetrates through the 5th Frequency access is connected with the low noise amplifier 51, which is connected with the Anneta module 70.Preferably, which is choosing Frequency filter.

The Anneta module 70 includes first antenna 71 and the second antenna 73, which is single-band antenna, for receiving Send out the signal of first frequency range.Second antenna is dual-band antenna 73, for receiving and dispatching the letter of second frequency range and the third frequency range Number.In the preferred embodiment, which is the single-band antenna that working frequency range is 5G frequency range, which is point From single-band antenna, therefore, have enough antenna efficiencies.Second antenna 73 is that working frequency range is the double of 2.4G and GPS frequency range The space utilization rate in the wireless communication device can be improved in frequency antenna.

The wireless signal and the second frequency range (such as 5G frequency of the first frequency range (such as 2.4G frequency range) are sent using the radio circuit 100 Section) wireless signal when, the first pin 11 of the transceiver 10, second pin 13 are by the signal of the first frequency range and the letter of the second frequency range Number the first frequency demultiplexer 31 is sent to by the first radio frequency path and the second radio frequency path, through the first frequency demultiplexer 31 by first frequency range Signal and the signal mixing of the second frequency range be sent to HW highway, and be sent to the second frequency demultiplexer 33 through the HW highway, the Two frequency demultiplexers 33 separate third radio frequency path and the 4th radio frequency path by the HW highway, and by the signal of first frequency range through being somebody's turn to do Third radio frequency path is to the first antenna 71, and the signal of second frequency range is through the 4th radio frequency path to the second antenna 73, by One antenna 71 and the second antenna 72 are sent.

Correspondingly, the wireless signal and the second frequency range of the first frequency range (such as 2.4G frequency range) are received using the radio circuit 100 When (such as 5G frequency range) wireless signal, the first antenna 71 and the second antenna 72 receive the signal and second of first frequency range frequently respectively The signal of section, and transmit the signal of first frequency range and the signal of the second frequency range through third radio frequency path and the 4th radio frequency path To the second frequency demultiplexer 33, which is sent to the signal of first frequency range and the mixing of the signal of the second frequency range public Access, and it is sent to the first frequency demultiplexer 31 through the HW highway, the first frequency demultiplexer 31 is led to by the first radio frequency path and the second radio frequency The signal of the signal of first frequency range and the second frequency range is respectively sent to the first pin 11 of the transceiver 10 and second drawn by road Foot 13.

When sending and receiving signals, which can exist the signal of the signal of first frequency range and the second frequency range The out-of-band noise or higher hamonic wave that optical mixing process generates filter out, which can will introduce hash in radio frequency path Filtering, to improve the quality of signal transmission.Meanwhile this can gradually to cascade first frequency demultiplexer 31 and the second frequency demultiplexer 33 The out-of-band harmonics filtering introduced from first antenna 71 and the second antenna 73, to improve its sensitivity.

In addition, in the preferred embodiment, first frequency demultiplexer 31 and the second frequency demultiplexer 33 are to support 2.4G and 5G frequency range Double frequency frequency demultiplexer, it can be ensured that the signal of 2.4G and 5G frequency range between in transmission process have certain isolation, this feature So that the type device will the biggish decaying of second_harmonic generation to 2.4G signal.Therefore, when transceiver 10 emits 2.4G When frequency band signals, the introducing of the second frequency demultiplexer 33 is by raising to the rejection ability of the second harmonic of the frequency band signals.

When sending the wireless signal of third frequency range (such as GPS frequency range) using the radio circuit 100, the third of the transceiver 10 The signal of third frequency range is sent to low noise amplifier 51 by the 5th radio frequency path and carries out signal amplification by pin 15, using filter After wave device 53 filters out-of-band harmonics and noise, it is sent to the second antenna 73 and carries out signal transmission.

When receiving the wireless signal of third frequency range (such as GPS frequency range) using the radio circuit 100, which is received The signal of the third frequency range, and it is sent to the filter 53,53 pairs of the filter filters in the wireless signal of the third channel After out-of-band harmonics and noise, which is resent to transceiver 10 to the amplification of its signal.

When carrying out the signal transmitting and receiving of third frequency range, since the first frequency demultiplexer 31 and the second frequency demultiplexer 33 are to low-frequency range such as 5G Frequency range signal below has good filter effect, can effectively filtering low segment signal, to prevent low-frequency range transmitting letter Number being coupled to receiving path generates interference to it.Therefore, first frequency demultiplexer 31 and the second frequency demultiplexer 33 can effectively improve 5G The sensitivity of UHF band reception signal.

In another preferred embodiment of the present invention, which further includes third frequency demultiplexer 90, the third frequency demultiplexer 90 one end are connected with second frequency demultiplexer 33 and the filter 53, and the other end is connected with the Anneta module 70, for by this second After antenna 73 receives the signal of second frequency range and the signal of third frequency range separated, then it is respectively sent to second frequency division Device 33 and the filter 53.

Radio circuit 100 of the invention can support 2.4G, 5G and GPS multiband wireless communications, the first radio-frequency module 30 to adopt The processing of radiofrequency signal is realized with a pair of cascade first frequency demultiplexer 31 and the second frequency demultiplexer 33.Due to first frequency demultiplexer 31 And second frequency demultiplexer 33 there is good isolation effect between height frequency range, this frequency demultiplexer can both effectively inhibit first Frequency band signals receive and dispatch the higher harmonic components that access generates, and access can also be received and dispatched for the second frequency band signals plays low-pass filtering work With to effectively inhibit interference of the high order to extraneous (such as receiver), moreover it is possible to improve the sensitivity for itself receiving signal.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This Outside, it is clear that one word of " comprising " is not excluded for other units or, odd number is not excluded for plural number.The multiple units stated in system claims Or device can also be implemented through software or hardware by a unit or device.The first, the second equal words are used to indicate name Claim, and does not indicate any particular order.

Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference Preferred embodiment describes the invention in detail, those skilled in the art should understand that, it can be to of the invention Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.

Claims (8)

1. a kind of radio circuit, which is characterized in that the radio circuit includes:
Anneta module;
Transceiver;And
First radio-frequency module is connected with the transceiver and the Anneta module, for receiving and dispatching the signal of the first frequency range and the second frequency range;
Second radio-frequency module is connected with the transceiver and the Anneta module, for receiving and dispatching the signal of third frequency range, wherein this One radio-frequency module includes concatenated first frequency demultiplexer and the second frequency demultiplexer, which penetrates through the first radio frequency path and second respectively Frequency access is connected with first frequency demultiplexer, which merges into the first radio frequency path and the second radio frequency path public logical Road, and be connected to the second frequency demultiplexer through the HW highway, second frequency demultiplexer by the HW highway be divided into third radio frequency path and 4th radio frequency path, and be connected through the third radio frequency path and the 4th radio frequency path with the Anneta module, the letter of first frequency range It number is received and dispatched through first radio frequency path, HW highway and third radio frequency path, the signal of second frequency range second is penetrated through this Frequency access, HW highway and the 4th radio frequency path are received and dispatched.
2. radio circuit as described in claim 1, which is characterized in that second radio-frequency module includes concatenated low noise amplifier And filter, the transceiver are connected through the 5th radio frequency path with the low noise amplifier, which is connected with the Anneta module, should The signal of third frequency range is received and dispatched through the 5th radio frequency path.
3. radio circuit as claimed in claim 2, which is characterized in that the transceiver includes the first pin, second pin and the Three pins are respectively used to draw first radio frequency path, the second radio frequency path and the 5th radio frequency path, and logical through first radio frequency Road and the second radio frequency path are connected with first radio-frequency module, are connected through the 5th radio frequency path with second radio-frequency module.
4. radio circuit as claimed in claim 2, which is characterized in that the radio circuit further includes third frequency demultiplexer, the third Frequency demultiplexer one end is connected with second frequency demultiplexer and the filter, and the other end is connected with the Anneta module.
5. radio circuit as claimed in claim 3, which is characterized in that the Anneta module includes first antenna and the second antenna, The first antenna is single-band antenna, and for receiving and dispatching the signal of first frequency range, which is dual-band antenna, for receiving and dispatching this The signal of second frequency range and the third frequency range.
6. radio circuit as described in claim 1, which is characterized in that the signal of first frequency range, the second frequency range signal and The signal of third frequency range is respectively the signal of 2.4G frequency range, 5G frequency range and GPS frequency range.
7. radio circuit as claimed in claim 6, which is characterized in that first frequency demultiplexer and the second frequency demultiplexer are to support 2.4G With the double frequency frequency demultiplexer of 5G frequency range.
8. a kind of wireless communication device includes controller and the radio circuit that is connected with the controller, which is characterized in that the radio frequency Circuit is radio circuit described in claim 1-7 any one.
CN201610758537.3A 2016-08-30 2016-08-30 Radio circuit and wireless communication device with the radio circuit CN106357293B (en)

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CN201610758537.3A CN106357293B (en) 2016-08-30 2016-08-30 Radio circuit and wireless communication device with the radio circuit

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CN201610758537.3A CN106357293B (en) 2016-08-30 2016-08-30 Radio circuit and wireless communication device with the radio circuit

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CN106357293B true CN106357293B (en) 2019-03-22

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101882941A (en) * 2010-07-07 2010-11-10 中兴通讯股份有限公司 Device and equipment for quadruple-frequency transceiving of global mobile communication system
CN102946257A (en) * 2012-11-05 2013-02-27 中兴通讯股份有限公司 Multi-mode receiver and receiving method of multi-mode receiver
CN105553499A (en) * 2015-10-29 2016-05-04 东莞酷派软件技术有限公司 Mobile terminal radio frequency front-end and mobile terminal
CN105634569A (en) * 2015-12-31 2016-06-01 宇龙计算机通信科技(深圳)有限公司 Control circuit and terminal achieving carrier aggregation and WIFI double-frequency MIMO

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI516044B (en) * 2013-04-19 2016-01-01 宏達國際電子股份有限公司 Handheld electronic apparatus, wireless communication apparatus t and antenna switching method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101882941A (en) * 2010-07-07 2010-11-10 中兴通讯股份有限公司 Device and equipment for quadruple-frequency transceiving of global mobile communication system
CN102946257A (en) * 2012-11-05 2013-02-27 中兴通讯股份有限公司 Multi-mode receiver and receiving method of multi-mode receiver
CN105553499A (en) * 2015-10-29 2016-05-04 东莞酷派软件技术有限公司 Mobile terminal radio frequency front-end and mobile terminal
CN105634569A (en) * 2015-12-31 2016-06-01 宇龙计算机通信科技(深圳)有限公司 Control circuit and terminal achieving carrier aggregation and WIFI double-frequency MIMO

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