CN104378136A - Wireless transceiver - Google Patents
Wireless transceiver Download PDFInfo
- Publication number
- CN104378136A CN104378136A CN201410647583.7A CN201410647583A CN104378136A CN 104378136 A CN104378136 A CN 104378136A CN 201410647583 A CN201410647583 A CN 201410647583A CN 104378136 A CN104378136 A CN 104378136A
- Authority
- CN
- China
- Prior art keywords
- band
- frequency
- pass filter
- low noise
- noise amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Transceivers (AREA)
Abstract
The invention provides a wireless transceiver. The wireless transceiver comprises an antenna, a first receiving path, a second receiving path, a first transmitting path, a second transmitting path, a switch circuit and a public frequency synthesizer, wherein the first receiving path is used for receiving signals in the 60 GHz frequency band, the second receiving path is used for receiving signals in the Q wave band, the first transmitting path is used for transmitting the signals in the 60 GHz frequency band, the second transmitting path is used for transmitting the signals in the Q wave band, and the public frequency synthesizer is used for synthesizing local oscillator signals of specific frequency in the 60 GHz frequency band and local oscillator signals of specific frequency in the Q wave band according to the frequency of the received and transmitted signals, so that the frequency of the local oscillator signals and the frequency of the signals on one of the first receiving path, the second receiving path, the first transmitting path and the second transmitting path are mixed. The transceiver is compatible with wireless communication of the Q wave band and the 60 GHz frequency band.
Description
Technical field
Invention relates to a kind of communications field, particularly relates to a kind of transceiver.
Background technology
Millimeter wave radio communication is comparatively large due to its bandwidth, thus can realize the transmission rate up to G bps magnitude, maybe will become the mainstream technology of ultrahigh speed Wireless Personal Network.
At present, numerous country and region in succession mark off near 60GHz 5 ~ 9GHz exempt from permit Continuous Band, China has also opened 59 ~ 64GHz frequency band in 2006.In the world, the standards such as ECMA-387, WirelessHD 1.0, IEEE 802.15.3c, IEEE 802.11ad have been worked up.In the industry cycle, the consumer electronics manufacturers such as NEC, Samsung, Panasonic and LG have set up WirelessHD alliance jointly to promote the application of millimeter-wave technology in transmitting without compression HD video, its huge market potential as seen.And in academia, ISSCC (International Solid State Circuits Conference) is offered special topic every year and is collected the relevant paper of millimeter-wave technology, and all many-sided researchs such as millimetre-wave circuit design, test are subject to extensive concern.
Q-band is with its loss lower than 60GHz frequency range, and under identical performance, power consumption is about 80% of 60GHz system, and becomes the frequency range that another has application potential.
Summary of the invention
The present invention be intended to propose a kind of can the transceiver of compatible Q-band and 60GHz multiband wireless communications.
The invention provides a kind of transceiver, this transceiver comprises: antenna; For receiving the first receiving path of 60GHz frequency band signals; For receiving the second receiving path of Q-band signal; For sending the first transmission path of 60GHz frequency band signals; For sending the second transmission path of Q-band signal; Switching circuit, for sending as required or receive, receiving and dispatching 60GHz frequency band signals or Q-band signal, is optionally connected to one of the first receiving path, the second receiving path, the first transmission path, the second transmission path by antenna; Public frequency synthesizer, for the frequency according to receiving and transmitting signal, the local oscillation signal of characteristic frequency in the local oscillation signal of characteristic frequency or Q-band in synthesis 60GHz frequency range, thus with the signal mixing in one of the first receiving path, the second receiving path, the first transmission path, the second transmission path.
Because the present invention adopts two receiving paths to receive 60GHz frequency band signals, Q-band signal respectively, two transmission paths send 60GHz frequency band signals, Q-band signal respectively, and adopt the ingehious design of public switching circuit and public frequency synthesizer, can with simple structure compatible Q-band and 60GHz multiband wireless communications.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious.
Fig. 1 is the transceiver block diagram for Q-band and 60GHz frequency range that invention proposes;
Fig. 2 shows the relation of frequency in 60GHz frequency range, Q-band and control word.
Embodiment
Embodiments of the invention are described below in detail.
The example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.
As shown in Figure 1, the invention provides one can the transceiver embodiments of compatible Q-band and 60GHz frequency range, and this transceiver comprises: antenna 101, switching circuit 113, the first receiving path 1, second receiving path 2, first transmission path 3, second transmission path 4, common frequency synthesizer 112.
Receiving and transmitting signal shares the same antenna.
Switching circuit has two effects: frequency band selection and transmitting-receiving are selected.
First receiving path 1 and the second receiving path 2 are the receiving path of two different frequency ranges, comprise preamble reception part and public rearmounted receiving unit respectively.Wherein, the preamble reception part of the first receiving path 1 comprises: the first band pass filter 102, first low noise amplifier 103, first frequency mixer 104; The preamble reception part of the second receiving path 2 comprises: the second band pass filter 108, second low noise amplifier 109, second frequency mixer 110; Rearmounted receiving path comprises low pass filter 105, variable gain amplifier 106,2.16Gsps analog to digital converter 107.
111 represent baseband processor.
First transmission path 3 and the second transmission path 4 are the transmission path of two different frequency ranges, comprise preposition transmitting portion and public rearmounted transmitting portion respectively.Wherein, the preposition transmitting portion of the first transmission path 3 comprises the 3rd band pass filter the 120, three low noise amplifier 121, three-mixer 122.The preposition transmitting portion of the second transmission path 4 comprises: the 3rd band pass filter 114, low noise amplifier 115, frequency mixer 116.Public rearmounted transmitting portion comprises: low pass filter 117, variable gain amplifier 118,2.16Gsps analog to digital converter 119.
Provide switch controlling signal by baseband processor 111, " 00 " represents that path 1 is connected, and " 01 " represents that path 2 is connected, and " 10 " represent that path 3 is connected, and " 11 " represent that path 4 is connected.
The relation being provided frequency synthesizer controls signal intermediate frequency point and control word by base band modulation circuit 111 is shown in Fig. 2.
The bandwidth of operation of the variable gain amplifier of variable bandwidth low-pass ripple device and bandwidth varying is also by the control of baseband processor 111 signal." 00 " represents 1.08GHz, and " 01 " represents 540MHz, and " 10 " represent 270MHz.
This receiver is zero-if architecture, and microwave signal is down-converted to base band modulation circuit 111 by direct orthogonalization.Quadrature frequency conversion use I, Q two tributary signals only phase place is different, in the drawings, for simplicity, I, Q that quadrature frequency conversion is used two tributary signal be drawn in together.
During this transceiver operational, the first receiving path 1 is 60GHz UHF band reception path, and the second receiving path 2 is Q-band receiving path, and the first transmission path 3 is 60GHz band transmit path, and the second transmission path 4 is Q-band transmitting path.
When needing the signal receiving 60GHz frequency range, baseband signal control switch makes the first receiving path be communicated with.The microwave signal that antenna 101 receives is first through 59 ~ 64GHz first band pass filter 102, with the outer interference signal of inhibition zone, then amplification process is carried out by 59 ~ 64GHz first low noise amplifier, 103 pairs of signals, the local oscillation signal of certain frequency of the 60GHz frequency range that the frequency synthesizer 112 that the microwave signal obtained and base band control produces carries out mixing, and signal is down converted to base band.Owing to only there are two kinds of baseband bandwidth 1.08GHz and 540MHz in 60GHz frequency range, therefore baseband processor 111 can according to the type of Received signal strength, controls a certain bandwidth that follow-up low pass filter 105 and variable gain amplifier 106 work between the two.Interference signal outside low pass filter 105 filtering base band, variable gain amplifier 106, according to the intensity size adjustment gain of Received signal strength, makes the output signal size after amplification remain steady state value.For the baseband signal making analog to digital converter 107 can process maximum bandwidth, according to nyquist sampling theorem, use the analog to digital converter 107 that sample rate is 2.16Gsps.The digital signal obtained enters baseband processor.
When needing the signal receiving Q-band, baseband signal control switch makes the second receiving path be communicated with.The microwave signal that antenna 101 receives is first through 43 ~ 47GHz second band pass filter 108, with the outer interference signal of inhibition zone, then amplification process is carried out by 43 ~ 47GHz second low noise amplifier, 109 pairs of signals, the local oscillation signal of certain frequency of the Q-band that the frequency synthesizer 112 that the microwave signal obtained and base band control produces carries out mixing, and signal is down converted to base band.Owing to only there are two kinds of baseband bandwidth 540MHz and 270MHz in Q-band, therefore baseband processor 111 can according to the type of Received signal strength, controls a certain bandwidth that follow-up low pass filter 105 and variable gain amplifier 106 work between the two.Interference signal outside low pass filter 105 filtering base band, variable gain amplifier 106, according to the intensity size adjustment gain of Received signal strength, makes the output signal size after amplification remain steady state value.For the baseband signal making analog to digital converter 107 can process maximum bandwidth, according to nyquist sampling theorem, use the analog to digital converter 107 that sample rate is 2.16Gsps.The digital signal obtained enters baseband processor.
When needing the signal launching 60GHz frequency range, baseband signal control switch makes the first transmission path be communicated with.Digital signal is first through the analog to digital converter 119 of 2.16Gsps.Owing to only there are two kinds of baseband bandwidth 1.08GHz and 540MHz in 60GHz frequency range, therefore base band modulation circuit 111 can according to the type transmitted, and controls a certain bandwidth that follow-up variable gain amplifier 118 and low pass filter 117 work between the two.Variable gain amplifier 118 adjusts gain according to the intensity size transmitting required, the interference signal outside low pass filter 117 filtering base band.Then, the local oscillation signal (LO) of certain frequency of the 60GHz frequency range that the frequency synthesizer 112 that baseband signal and base band control produces carries out mixing, and signal is up-converted to 60GHz frequency range.Carry out amplification process by 59 ~ 64GHz the 3rd power amplifier, 121 pairs of signals, then through 59 ~ 64GHz the 3rd band pass filter 120 to suppress the interference to other channels, finally launched by antenna 101.
When needing the signal launching Q-band, baseband signal control switch makes the second transmission path be communicated with.Digital signal is first through the analog to digital converter 107 of 2.16Gsps.Owing to only there are two kinds of baseband bandwidth 540MHz and 270MHz in Q-band, therefore base band modulation circuit 111 can according to the type transmitted, and controls a certain bandwidth that follow-up variable gain amplifier 118 and low pass filter 117 work between the two.Variable gain amplifier 118 adjusts gain according to the intensity size transmitting required, the interference signal outside low pass filter 117 filtering base band.Then, the local oscillation signal (LO) of certain frequency of the Q-band that the frequency synthesizer 112 that baseband signal and base band control produces carries out mixing, and signal is up-converted to Q-band.Carry out amplification process by 43 ~ 47GHz the 4th power amplifier, 115 pairs of signals, then through 43 ~ 47GHz the 4th band pass filter 114 to suppress the interference to other channels, finally launched by antenna 101.
The advantage of this transceiver is: adopt the public frequency synthesizer that can switch in above two frequency ranges to realize single-conversion, saving chip area; The signal of three kinds of bandwidth can be processed, meet the logic channel division rule in Q-band and 60GHz frequency range.
By above transceiver architecture, the signal of Q-band and 60GHz frequency range can be received and dispatched.Although be described in detail the present invention and advantage thereof in conjunction with specific embodiments, be to be understood that when not departing from the protection range of spirit of the present invention and claims restriction, various change, substitutions and modifications can have been carried out to these embodiments.For other examples, those of ordinary skill in the art should easy understand maintenance scope in while, the order of processing step can change.
In addition, range of application of the present invention is not limited to the technique of the specific embodiment described in specification, mechanism, manufacture, material composition, means, method and step.From disclosure of the present invention, to easily understand as those of ordinary skill in the art, for the technique existed at present or be about to develop, mechanism, manufacture, material composition, means, method or step later, wherein their perform the identical function of the corresponding embodiment cardinal principle that describes with the present invention or obtain the identical result of cardinal principle, can apply according to the present invention to them.Therefore, claims of the present invention are intended to these technique, mechanism, manufacture, material composition, means, method or step to be included in its protection range.
Claims (8)
1. a transceiver, this transceiver comprises:
Antenna (101);
For receiving first receiving path (1) of 60GHz frequency band signals;
For receiving second receiving path (2) of Q-band signal;
For sending first transmission path (3) of 60GHz frequency band signals;
For sending second transmission path (4) of Q-band signal;
Switching circuit (113), for sending as required or receive, receiving and dispatching 60GHz frequency band signals or Q-band signal, optionally antenna is connected to one of the first receiving path (1), the second receiving path (2), the first transmission path (3), the second transmission path (4);
Public frequency synthesizer (112), for the frequency according to receiving and transmitting signal, the local oscillation signal of characteristic frequency in the local oscillation signal of characteristic frequency or Q-band in synthesis 60GHz frequency range, thus with the signal mixing in one of the first receiving path (1), the second receiving path (2), the first transmission path (3), the second transmission path (4).
2. transceiver according to claim 1, wherein the first receiving path (1) comprise be linked in sequence only by first band pass filter (102) of 60GHz frequency band signals, the first low noise amplifier (103) and for utilize public frequency synthesizer (112) to synthesize 60GHz frequency range in the local oscillation signal of characteristic frequency carry out first frequency mixer (104) of mixing, one end that the first band pass filter (102) is not connected with the first low noise amplifier (103) is connected to switching circuit (113).
3. transceiver according to claim 1, wherein the second receiving path (2) comprise be linked in sequence only by second band pass filter (108) of Q-band signal, the second low noise amplifier (109) and for utilize public frequency synthesizer (112) to synthesize Q-band in the local oscillation signal of characteristic frequency carry out second frequency mixer (110) of mixing, one end that the second band pass filter (108) is not connected with the second low noise amplifier (109) is connected to switching circuit (113).
4. transceiver according to claim 1, wherein the first transmission path (3) comprise be linked in sequence only by the 3rd band pass filter (120) of 60GHz frequency band signals, the 3rd low noise amplifier (121) and for utilize public frequency synthesizer (112) to synthesize 60GHz frequency range in the local oscillation signal of characteristic frequency carry out the three-mixer (122) of mixing, one end that the 3rd band pass filter (120) is not connected with the 3rd low noise amplifier (121) is connected to switching circuit (113).
5. transceiver according to claim 1, wherein the second transmission path (4) comprise be linked in sequence only by the 4th band pass filter (114) of Q-band signal, the 4th low noise amplifier (115) and for utilize public frequency synthesizer (112) to synthesize Q-band in the local oscillation signal of characteristic frequency carry out the 4th frequency mixer (116) of mixing, one end that the 4th band pass filter (114) is not connected with the 4th low noise amplifier (115) is connected to switching circuit (113).
6. according to any one transceiver in claim 2-5, any one wherein in the first band pass filter (102), the first low noise amplifier (103), the second band pass filter (108), the second low noise amplifier (109), the 3rd band pass filter (120), the 3rd low noise amplifier (121), the 4th band pass filter (114), the 4th low noise amplifier (115) is operated in 1.08G, 540M, 270M tri-kinds of bandwidth mode once.
7. transceiver according to claim 6, under each wherein in the first band pass filter (102), the first low noise amplifier (103), the 3rd band pass filter (120), the 3rd low noise amplifier (121) works in 1.08G or 540M bandwidth mode.
8. transceiver according to claim 6, wherein the second band pass filter (108), the second low noise amplifier (109), the 4th band pass filter (114), the 4th low noise amplifier (115) each be operated in 540M or 270M bandwidth mode under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647583.7A CN104378136A (en) | 2014-11-14 | 2014-11-14 | Wireless transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647583.7A CN104378136A (en) | 2014-11-14 | 2014-11-14 | Wireless transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104378136A true CN104378136A (en) | 2015-02-25 |
Family
ID=52556829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410647583.7A Pending CN104378136A (en) | 2014-11-14 | 2014-11-14 | Wireless transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104378136A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108352853A (en) * | 2015-11-04 | 2018-07-31 | 株式会社村田制作所 | Wave splitter device and its design method |
| CN110190867A (en) * | 2019-04-18 | 2019-08-30 | 西安电子科技大学 | A kind of transceiver based on power management |
| CN110445507A (en) * | 2019-08-13 | 2019-11-12 | 李冲 | A kind of millimeter wave Terahertz transceiver module and its working method |
| WO2021184371A1 (en) * | 2020-03-20 | 2021-09-23 | 华为技术有限公司 | Receiving apparatus, transmitting apparatus, and signal processing method |
| CN114257265A (en) * | 2022-03-01 | 2022-03-29 | 四川鸿创电子科技有限公司 | Radio frequency to intermediate frequency receiving and transmitting system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998020633A2 (en) * | 1996-11-07 | 1998-05-14 | Wavtrace, Inc. | System and method for broadband millimeter wave data communication |
| WO2006103585A2 (en) * | 2005-03-30 | 2006-10-05 | Nxp B.V. | Signal transmitter for wideband wireless communication |
| CN102457297A (en) * | 2010-10-19 | 2012-05-16 | 中国科学院微电子研究所 | Radio transceiver |
-
2014
- 2014-11-14 CN CN201410647583.7A patent/CN104378136A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998020633A2 (en) * | 1996-11-07 | 1998-05-14 | Wavtrace, Inc. | System and method for broadband millimeter wave data communication |
| WO2006103585A2 (en) * | 2005-03-30 | 2006-10-05 | Nxp B.V. | Signal transmitter for wideband wireless communication |
| CN102457297A (en) * | 2010-10-19 | 2012-05-16 | 中国科学院微电子研究所 | Radio transceiver |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108352853A (en) * | 2015-11-04 | 2018-07-31 | 株式会社村田制作所 | Wave splitter device and its design method |
| CN108352853B (en) * | 2015-11-04 | 2020-07-31 | 株式会社村田制作所 | Wave splitting device and design method thereof |
| CN110190867A (en) * | 2019-04-18 | 2019-08-30 | 西安电子科技大学 | A kind of transceiver based on power management |
| CN110190867B (en) * | 2019-04-18 | 2020-09-15 | 西安电子科技大学 | Wireless transceiver based on power management |
| CN110445507A (en) * | 2019-08-13 | 2019-11-12 | 李冲 | A kind of millimeter wave Terahertz transceiver module and its working method |
| WO2021184371A1 (en) * | 2020-03-20 | 2021-09-23 | 华为技术有限公司 | Receiving apparatus, transmitting apparatus, and signal processing method |
| CN114257265A (en) * | 2022-03-01 | 2022-03-29 | 四川鸿创电子科技有限公司 | Radio frequency to intermediate frequency receiving and transmitting system |
| CN114257265B (en) * | 2022-03-01 | 2022-05-10 | 四川鸿创电子科技有限公司 | Radio frequency to intermediate frequency receiving and transmitting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2983002B1 (en) | Radio frequency receiver and receiving method | |
| CN103986488B (en) | A kind of high-performance LTE channel simulator wideband radio receiver | |
| CN104378136A (en) | Wireless transceiver | |
| CN105794309B (en) | Multi-channel radio frequency device and method | |
| CN107819489A (en) | A kind of ultra wide band high bandwidth radio-frequency receiving-transmitting two-way integral integration module | |
| US20080232279A1 (en) | Method and system for sharing filters between transmit and receive paths in an integrated fm radio | |
| CN104009765B (en) | A kind of high-performance LTE channel simulator radio frequency sending set | |
| KR102597448B1 (en) | Transceiver Elements for Beamforming | |
| CN101741803A (en) | Multi-band frequency spectrum aggregating wireless transmitter-receiver device | |
| CN102457297A (en) | Radio transceiver | |
| CN102611476A (en) | Transceiver with twice-frequency-conversion structure for 60GHz wireless communication | |
| EP3254427B1 (en) | Single local oscillator architecture for dual-band microwave/millimeter-wave transceiver | |
| CN104468069A (en) | TDD/FDD dual-mode reconfigurable wireless communication system and communication method | |
| CN104579411A (en) | Wireless receiving and transmitting circuit compatible with TDD and FDD | |
| CN102611475A (en) | Direct variable-frequency transmitter-receiver for 60 GHz wireless communication | |
| US20240014876A1 (en) | Phased array apparatus and communication device | |
| US20080084922A1 (en) | Multiprotocol multiplex wireless communication apparatus and methods | |
| US20170085281A1 (en) | Reconfigurable transmitter and receiver, and methods for reconfiguring | |
| EP2371058B1 (en) | Radio receiver | |
| CN102946257B (en) | A kind of multimode rake receiver and method of reseptance thereof | |
| CN101222741B (en) | Device and method for calibrating zero intermediate frequency transmitting parameter of base station | |
| CN1639990B (en) | Direct conversion multi-mode receiver | |
| CN112886983B (en) | Communication transceiver and terminal device | |
| CN204145461U (en) | A kind of high-frequency signal launches modulation circuit | |
| Thompson | A Multi-Band Transceiver Design for L/S/C-Band Telemetry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150225 |