CN102611476A - Twice frequency conversion structure transceiver for 60GHz wireless communication - Google Patents

Abstract

Translated fromChinese

本发明公开了一种用于60GHz无线通信的两次变频结构收发机，包括：依次串联连接的59至64GHz天线、59至64GHz带通滤波器、59至64GHz开关、59至64GHz低噪声放大器、59至64GHz下变频器、接收中频滤波器、接收中频可变增益放大器、中频解调器、接收1.08GHz和540MHz可变带宽低通滤波器、接收1.08GHz和540MHz可变带宽和增益放大器和2.16Gsps采样率的模数转换器；依次串联连接的2.16Gsps采样率的数模转换器、发射1.08GHz和540MHz可变带宽和增益放大器、发射1.08GHz和540MHz可变带宽低通滤波器、中频调制器、发射中频滤波器、发射中频可变增益放大器、上变频器和59至64GHz功率放大器；以及59至64GHz频率综合器。利用本发明，设计出了适用于中国的60GHz频谱规划的两次变频结构结构收发机。

The invention discloses a transceiver with double frequency conversion structure for 60GHz wireless communication, comprising: 59 to 64GHz antenna, 59 to 64GHz bandpass filter, 59 to 64GHz switch, 59 to 64GHz low noise amplifier, 59 to 64GHz down converter, receive IF filter, receive IF variable gain amplifier, IF demodulator, receive 1.08GHz and 540MHz variable bandwidth low-pass filter, receive 1.08GHz and 540MHz variable bandwidth and gain amplifier and 2.16 Analog-to-digital converter with Gsps sampling rate; digital-to-analog converter with 2.16Gsps sampling rate connected in series, transmitting 1.08GHz and 540MHz variable bandwidth and gain amplifier, transmitting 1.08GHz and 540MHz variable bandwidth low-pass filter, intermediate frequency modulation Transmitter, transmit IF filter, transmit IF variable gain amplifier, upconverter and 59 to 64GHz power amplifier; and 59 to 64GHz frequency synthesizer. Utilizing the present invention, a transceiver with double frequency conversion structure suitable for China's 60GHz frequency spectrum planning is designed.

Description

The double conversion structure transceiver that is used for the 60GHz radio communication

Technical field

The present invention relates to high speed short distance radio communication system technical field; Relate in particular to a kind of double conversion structure transceiver of the 60GHz of being used for radio communication, be applied to the 60GHz high speed short distance radio communication system among the WPAN (Wireless Personal Area Network).

Background technology

The advantage of 60GHz radio communication is the transmission rate that can realize up to the Gbps magnitude, and this technology will become the mainstream technology of ultrahigh speed Wireless Personal Network.Consumer electronics manufacturers such as NEC, Samsung, Panasonic and LG have set up WirelessHD alliance jointly and have promoted the application of 60GHz technology in no compression high definition video transmission at present, visible its huge market potential.Present 60GHz technology in the world becomes the focus of academia and industrial quarters concern; ISSCC (International Solid State Circuits Conference) is offered special topic every year and is collected the relevant paper of 60GHz technology, and the difficult point of many aspects such as the design of 60GHz millimetre-wave circuit, test receives extensive concern.

China has opened 59 to 64GHz frequency ranges and used frequency range as the 60GHz technology at present, and is still because technical difficulty is bigger, at the early-stage to the application study of this frequency range, also do not have to realize can be used for the double conversion structure transceiver of 60GHz radio communication.

Summary of the invention

The technical problem that (one) will solve

In view of this, main purpose of the present invention is to provide a kind of double conversion structure transceiver of the 60GHz of being used for radio communication, to design the double conversion architecture transceiver of the 60GHz frequency spectrum planning that is applicable to China.

(2) technical scheme

For achieving the above object, the invention provides a kind of double conversion structure transceiver of the 60GHz of being used for radio communication, this double conversion structure transceiver comprises:

The analog todigital converter 15 of 59 to 64GHz antenna 1,59 to 64GHz band pass filter 2,59 to 64GHz switch 3,59 to 64GHz low noise amplifier 4,59 to the 64GHz low-converters 5 that are connected in series successively, reception intermediate-frequency filter 6, reception intermediate frequency variable gain amplifier 7, if demodulator 8, reception 1.08GHz and 540MHz bandwidth varying low pass filter 9, reception 1.08GHz and 540MHz bandwidth varying andgain amplifier 10 and 2.16Gsps sample rate;

The digital toanalog converter 16 of the 2.16Gsps sample rate that is connected in series successively, emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18, emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17,IF modulator 12, emission medium-frequency filter 19, emission medium-frequencyvariable gain amplifier 20,upconverter 13 and 59 to64GHz power amplifiers 14, and 59 to64GHz power amplifiers 14 also are connected in 59 to 64GHz switches 3; And

Be connected to 59 to 64GHz frequency synthesizers 11 of 59 to 64GHz low-converters 5, if demodulator 8,IF modulator 12 and upconverter 13.

In the such scheme, the analog todigital converter 15 of said 59 to 64GHz antenna 1,59 to 64GHz band pass filter 2,59 to 64GHz switch 3,59 to 64GHz low noise amplifier 4,59 to 64GHz low-converters 5, reception intermediate-frequency filter 6, reception intermediate frequency variable gain amplifier 7, if demodulator 8, reception 1.08GHz and 540MHz bandwidth varying low pass filter 9, reception 1.08GHz and 540MHz bandwidth varying andgain amplifier 10,2.16Gsps sample rate and 59 to 64GHz frequency synthesizers 11 constitute the reception links.

Receive in the link at this; 59 to 64GHz wireless signal at first receives through said 59 to 64GHz antennas 1; Through disturbing outside said 59 to 64GHz band pass filters, the 2 filtering bands; Input to said 59 to 64GHz low noise amplifiers 4 behind the control selective reception path through said 59 to 64GHz switches 3 and amplify, introduce as far as possible little noise simultaneously; Amplifying signal inputs to said 59 to 64GHz low-converters 5; As its RF input port; Simultaneously the local oscillator port of local oscillation signal to said 59 to 64GHz low-converters 5 is provided by said 59 to 64GHz frequency synthesizers 11; Through radiofrequency signal being converted to intermediate-freuqncy signal IF after the down-conversion, at first carry out filtering through 6 pairs of intermediate-freuqncy signals of said reception intermediate-frequency filter, get into the prevention at radio-frequency port that said reception intermediate frequency variable gain amplifier 7 carries out sending into after the processing and amplifying said if demodulator 8 then; The local oscillator port of said if demodulator 8 is provided by said 59 to 64GHz frequency synthesizers 11, after the demodulation one tunnel radiofrequency signal frequency conversion is handled for the IQ two-way; Analog baseband signal inputs to said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 carries out filtering; Other signals outside its useful signal of filtering; The output of said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 offers said reception 1.08GHz and 540MHz bandwidth varying andgain amplifier 10 and is amplified to the analog todigital converter 15 that signal about 0dBm offers said 2.16Gsps sample rate afterwards and samples; Wherein said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 with said receive 1.08GHz and 540MHz bandwidth varying andgain amplifier 10 according to actual reception to signal bandwidth switch; When said 59 to 64GHz antennas 1 receive 2.16GHz bandwidth RF signal, select the 1.08GHz bandwidth, when said 59 to 64GHz antennas 1 receive 1.08GHz bandwidth RF signal, select the 540MHz bandwidth.

In the such scheme, the digital toanalog converter 16 of said 2.16Gsps sample rate, emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18, emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17,IF modulator 12, emission medium-frequency filter 19, emission medium-frequencyvariable gain amplifier 20,upconverter 13,59 to64GHz power amplifier 14,59 to 64GHz switch 3,59 to 64GHz band pass filter 2,59 to 64GHz antenna 1 and 59 to 64GHz frequency synthesizers 11 constitute transmitting chain.

In this transmitting chain; Digital baseband signal converts analog baseband signal into through the digital toanalog converter 16 of said 2.16Gsps sample rate; At first inputing to said emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18 amplifies; And its gain can be regulated; Amplified signal said emission 1.08GHz of input and 540MHz bandwidth varyinglow pass filter 17 carry out filtering; Said emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18 are regulated according to system's actual transmit signal with the bandwidth of said emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17, when the emission 2.16GHz of system bandwidth signal, select bandwidth 1.08GHz, when the emission 1.08GHz of system bandwidth signal, select bandwidth 540MHz.Import the intermediate frequency input port of saidIF modulator 12 subsequently; The local oscillator port of saidIF modulator 12 is provided by said 59 to 64GHz frequency synthesizers 11; IQ two paths of signals after ovennodulation adds up to one road signal and is modulated on the IF carrier; The back through said emission medium-frequencyvariable gain amplifier 20 and said emission medium-frequency filter 19 amplify with Filtering Processing after be sent to the intermediate frequency port of saidupconverter 13; Its local oscillator port is provided by said 59 to 64GHz frequency synthesizers 11; Simultaneously saidupconverter 13 is accomplished the secondary upconversion function and is inputed to said 59 to64GHz power amplifiers 14; Said 59 to64GHz power amplifiers 14 export said 59 to 64GHz switches 3 to and select the emission path, get into said 59 to 64GHz antennas 1 after the filtering outside being with through said 59 to 64GHz switches, 3 back said 59 to the 64GHz band pass filters 2 of entering and launch.

In the such scheme, this double conversion structure transceiver adopts the method for double conversion, after 59 to 64GHz radiofrequency signal is handled to the lower frequency medium-frequency IF through single-conversion, is demodulated to 0 to 1.08GHz and 0 to 540MHz analog baseband signal again.

In the such scheme, said reception 1.08GHz and 540MHz bandwidth varying andgain amplifier 10 and said emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18 are used between 1.08GHz bandwidth and 540MHz bandwidth, switching.

In the such scheme, said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 and said emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17 are used between 1.08GHz bandwidth and 540MHz bandwidth, switching.

In the such scheme, this double conversion structure transceiver transmitting chain with receive in the link all be signal frequency conversion is amplified to an intermediate frequency with Filtering Processing after, be converted to ABB or 59 to 64GHz radio frequencies again.

In the such scheme, this double conversion structure transceiver is realized the analog baseband signal of 1.08GHz bandwidth and 540MHz bandwidth is switched, thereby is made transceiver can handle the signal of two kinds of bandwidth through changing the bandwidth of variable gain amplifier; Through changing the bandwidth of low pass filter, realize the analog baseband signal of 1.08GHz bandwidth and 540MHz bandwidth is switched, thereby make transceiver can handle the signal of two kinds of bandwidth.

(3) beneficial effect

Can find out that from technique scheme the present invention has following beneficial effect:

1, utilizes the present invention, adopted double conversion, increased the flexibility of system, reduced the chip design difficulty.

2, utilize the present invention, owing to adopted the low pass filter and the variable gain amplifier of bandwidth varying,, satisfy the requirement of Chinese 60GHz system so can handle 1.08GHz and two kinds of analog baseband signals of 540MHz.

3, utilize the present invention,, reduced the hardware cost and the power consumption of system because frequency synthesizer can produce first order local frequency and second level local frequency simultaneously.

Description of drawings

Fig. 1 is the structural representation of the double conversion structure transceiver of the 60GHz of being used for radio communication provided by the invention.

Embodiment

For making the object of the invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, to further explain of the present invention.

This double conversion structure transceiver that is used for the 60GHz radio communication provided by the invention; Adopt the method for double conversion; Through being passed through single-conversion, 59 to 64GHz radiofrequency signal after the lower frequency medium-frequency IF is handled, is demodulated to 0 to 1.08GHz and 0 to 540MHz analog baseband signal again; Promptly choose a suitable medium-frequency IF; In transmitting and receiving link all be with signal frequency conversion to this intermediate frequency amplify with Filtering Processing after be converted to ABB or 59 to 64GHz radio frequencies again, can handle carrier wave in 59 to 64GHz scopes, bandwidth is the radiofrequency signal of 2.16GHz and 1.08GHz.

As shown in Figure 1; Fig. 1 is the structural representation of the double conversion structure transceiver of the 60GHz of being used for radio communication provided by the invention, and this double conversion structure transceiver comprises: 59 to the 64GHz antennas 1,59 that are connected in series successively to 64GHz band pass filter BPF 2,59 to 64GHz switch S witch 3,59 to 64GHz low noise amplifier LNA 4,59 to 64GHz low-converter Downconverter 5, receive intermediate-frequency filter IF BPF 6, receive intermediate frequency variable gain amplifier IFVGA 7, if demodulator IF Demodulator 8, receive 1.08GHz and 540MHz bandwidth varying low pass filter 9, receive the analog todigital converter ADC 15 of 1.08GHz and 540MHz bandwidth varying andgain amplifier VGA 10 and 2.16Gsps sample rate; The digital toanalog converter DAC 16 of the 2.16Gsps sample rate that is connected in series successively, emission 1.08GHz and 540MHz bandwidth varying andgain amplifier VGA 18, emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17, IF modulator IFModulator 12, emission medium-frequency filter IFBPF 19, emission medium-frequency variable gain amplifier IFVGA 20, upconverter Upconverter 13 and 59 to64GHz power amplifiers 14, and 59 to64GHz power amplifiers 14 also are connected in 59 to 64GHz switch S witch 3; And 59 to the 64GHz frequency synthesizer Frequency Synthesizer 11 that are connected to 59 to 64GHz low-converter Downconverter 5, if demodulator IFDemodulator 8, IF modulator IF Modulator 12 and upconverter Upconverter 13.

Wherein, the analog todigital converter 15 of said 59 to 64GHz antenna 1,59 to 64GHz band pass filter 2,59 to 64GHz switch 3,59 to 64GHz low noise amplifier 4,59 to 64GHz low-converters 5, reception intermediate-frequency filter 6, reception intermediate frequency variable gain amplifier 7, if demodulator 8, reception 1.08GHz and 540MHz bandwidth varying low pass filter 9, reception 1.08GHz and 540MHz bandwidth varying andgain amplifier 10,2.16Gsps sample rate and 59 to 64GHz frequency synthesizers 11 constitute the reception links.

Receive in the link at this; 59 to 64GHz wireless signal at first receives through said 59 to 64GHz antennas 1; Through disturbing outside said 59 to 64GHz band pass filters, the 2 filtering bands; Input to said 59 to 64GHz low noise amplifiers 4 behind the control selective reception path through said 59 to 64GHz switches 3 and amplify, introduce as far as possible little noise simultaneously; Amplifying signal inputs to said 59 to 64GHz low-converters 5; As its RF input port; Simultaneously the local oscillator port of local oscillation signal to said 59 to 64GHz low-converters 5 is provided by said 59 to 64GHz frequency synthesizers 11; Through radiofrequency signal being converted to intermediate-freuqncy signal IF after the down-conversion, at first carry out filtering through 6 pairs of intermediate-freuqncy signals of said reception intermediate-frequency filter, get into the prevention at radio-frequency port that said reception intermediate frequency variable gain amplifier 7 carries out sending into after the processing and amplifying said if demodulator 8 then; The local oscillator port of said if demodulator 8 is provided by said 59 to 64GHz frequency synthesizers 11, after the demodulation one tunnel radiofrequency signal frequency conversion is handled for the IQ two-way; Analog baseband signal inputs to said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 carries out filtering; Other signals outside its useful signal of filtering; The output of said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 offers said reception 1.08GHz and 540MHz bandwidth varying andgain amplifier 10 and is amplified to the analog todigital converter 15 that signal about 0dBm offers said 2.16Gsps sample rate afterwards and samples; Wherein said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 with said receive 1.08GHz and 540MHz bandwidth varying andgain amplifier 10 according to actual reception to signal bandwidth switch; When said 59 to 64GHz antennas 1 receive 2.16GHz bandwidth RF signal, select the 1.08GHz bandwidth, when said 59 to 64GHz antennas 1 receive 1.08GHz bandwidth RF signal, select the 540MHz bandwidth.

The digital toanalog converter 16 of said 2.16Gsps sample rate; Emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18; Emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17;IF modulator 12; Emission medium-frequency filter 19; Emission medium-frequencyvariable gain amplifier 20; Upconverter 13; 59 to64GHz power amplifiers 14; 59 to 64GHz switches 3; 59 to 64GHz band pass filters 2; 59 to 64GHz antennas 1 and 59 to 64GHz frequency synthesizers 11 constitute transmitting chain.

In this transmitting chain; Digital baseband signal converts analog baseband signal into through the digital toanalog converter 16 of said 2.16Gsps sample rate; At first inputing to said emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18 amplifies; And its gain can be regulated; Amplified signal said emission 1.08GHz of input and 540MHz bandwidth varyinglow pass filter 17 carry out filtering; Said emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18 are regulated according to system's actual transmit signal with the bandwidth of said emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17, when the emission 2.16GHz of system bandwidth signal, select bandwidth 1.08GHz, when the emission 1.08GHz of system bandwidth signal, select bandwidth 540MHz.Import the intermediate frequency input port of saidIF modulator 12 subsequently; The local oscillator port of saidIF modulator 12 is provided by said 59 to 64GHz frequency synthesizers 11; IQ two paths of signals after ovennodulation adds up to one road signal and is modulated on the IF carrier; The back through said emission medium-frequencyvariable gain amplifier 20 and said emission medium-frequency filter 19 amplify with Filtering Processing after be sent to the intermediate frequency port of saidupconverter 13; Its local oscillator port is provided by said 59 to 64GHz frequency synthesizers 11; Simultaneously saidupconverter 13 is accomplished the secondary upconversion function and is inputed to said 59 to64GHz power amplifiers 14; Said 59 to64GHz power amplifiers 14 export said 59 to 64GHz switches 3 to and select the emission path, get into said 59 to 64GHz antennas 1 after the filtering outside being with through said 59 to 64GHz switches, 3 back said 59 to the 64GHz band pass filters 2 of entering and launch.

This double conversion structure transceiver that is used for the 60GHz radio communication provided by the invention; Adopt the method for double conversion; After 59 to 64GHz radiofrequency signal is handled to the lower frequency medium-frequency IF through single-conversion, be demodulated to 0 to 1.08GHz and 0 to 540MHz analog baseband signal again.This double conversion structure transceiver transmitting chain with receive in the link all be signal frequency conversion is amplified to an intermediate frequency with Filtering Processing after, be converted to ABB or 59 to 64GHz radio frequencies again.

In the present invention, said reception 1.08GHz and 540MHz bandwidth varying andgain amplifier 10 and said emission 1.08GHz and 540MHz bandwidth varying andgain amplifier 18 are used between 1.08GHz bandwidth and 540MHz bandwidth, switching.Said reception 1.08GHz and 540MHz bandwidth varying low pass filter 9 and said emission 1.08GHz and 540MHz bandwidth varyinglow pass filter 17 are used between 1.08GHz bandwidth and 540MHz bandwidth, switching.

In the present invention, this double conversion structure transceiver is realized the analog baseband signal of 1.08GHz bandwidth and 540MHz bandwidth is switched, thereby is made transceiver can handle the signal of two kinds of bandwidth through changing the bandwidth of variable gain amplifier; Through changing the bandwidth of low pass filter, realize the analog baseband signal of 1.08GHz bandwidth and 540MHz bandwidth is switched, thereby make transceiver can handle the signal of two kinds of bandwidth.

Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely specific embodiment of the present invention; Be not limited to the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

Translated fromChinese

1.一种用于60GHz无线通信的两次变频结构收发机，其特征在于，该两次变频结构收发机包括：1. A double frequency conversion structure transceiver for 60GHz wireless communication, characterized in that, the double frequency conversion structure transceiver comprises:依次串联连接的59至64GHz天线(1)、59至64GHz带通滤波器(2)、59至64GHz开关(3)、59至64GHz低噪声放大器(4)、59至64GHz下变频器(5)、接收中频滤波器(6)、接收中频可变增益放大器(7)、中频解调器(8)、接收1.08GHz和540MHz可变带宽低通滤波器(9)、接收1.08GHz和540MHz可变带宽和增益放大器(10)和2.16Gsps采样率的模数转换器(15)；59 to 64GHz antenna (1), 59 to 64GHz bandpass filter (2), 59 to 64GHz switch (3), 59 to 64GHz low noise amplifier (4), 59 to 64GHz downconverter (5) connected in series in sequence , receiving intermediate frequency filter (6), receiving intermediate frequency variable gain amplifier (7), intermediate frequency demodulator (8), receiving 1.08GHz and 540MHz variable bandwidth low-pass filter (9), receiving 1.08GHz and 540MHz variable Bandwidth and gain amplifier (10) and analog-to-digital converter (15) of 2.16Gsps sampling rate;依次串联连接的2.16Gsps采样率的数模转换器(16)、发射1.08GHz和540MHz可变带宽和增益放大器(18)、发射1.08GHz和540MHz可变带宽低通滤波器(17)、中频调制器(12)、发射中频滤波器(19)、发射中频可变增益放大器(20)、上变频器(13)和59至64GHz功率放大器(14)，且59至64GHz功率放大器(14)还连接于59至64GHz开关(3)；以及A digital-to-analog converter (16) with a sampling rate of 2.16Gsps connected in series, a transmitting 1.08GHz and 540MHz variable bandwidth and gain amplifier (18), a transmitting 1.08GHz and 540MHz variable bandwidth low-pass filter (17), and an intermediate frequency modulation device (12), transmitting intermediate frequency filter (19), transmitting intermediate frequency variable gain amplifier (20), up-converter (13) and 59 to 64GHz power amplifier (14), and 59 to 64GHz power amplifier (14) is also connected switching (3) at 59 to 64 GHz; and分别连接于59至64GHz下变频器(5)、中频解调器(8)、中频调制器(12)和上变频器(13)的59至64GHz频率综合器(11)。The 59-64GHz frequency synthesizer (11) is respectively connected to the 59-64GHz down-converter (5), the intermediate-frequency demodulator (8), the intermediate-frequency modulator (12) and the up-converter (13).2.根据权利要求1所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，所述59至64GHz天线(1)、59至64GHz带通滤波器(2)、59至64GHz开关(3)、59至64GHz低噪声放大器(4)、59至64GHz下变频器(5)、接收中频滤波器(6)、接收中频可变增益放大器(7)、中频解调器(8)、接收1.08GHz和540MHz可变带宽低通滤波器(9)、接收1.08GHz和540MHz可变带宽和增益放大器(10)、2.16Gsps采样率的模数转换器(15)和59至64GHz频率综合器(11)构成接收链路。2. The transceiver with double frequency conversion structure for 60GHz wireless communication according to claim 1, characterized in that, the 59 to 64GHz antenna (1), the 59 to 64GHz bandpass filter (2), the 59 to 64GHz Switch(3), 59 to 64GHz Low Noise Amplifier(4), 59 to 64GHz Down Converter(5), Receive IF Filter(6), Receive IF Variable Gain Amplifier(7), IF Demodulator(8) , receiving 1.08GHz and 540MHz variable bandwidth low-pass filter (9), receiving 1.08GHz and 540MHz variable bandwidth and gain amplifier (10), 2.16Gsps sampling rate analog-to-digital converter (15) and 59 to 64GHz frequency synthesis The device (11) constitutes the receiving chain.3.根据权利要求2所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，在该接收链路中，59至64GHz的无线信号首先经过所述59至64GHz天线(1)接收，通过所述59至64GHz带通滤波器(2)滤除带外干扰，通过所述59至64GHz开关(3)的控制选择接收通路后输入至所述59至64GHz低噪声放大器(4)进行放大，同时引入尽可能小的噪声；放大的信号输入至所述59至64GHz下变频器(5)，作为其RF输入端口，同时由所述59至64GHz频率综合器(11)提供本振信号给所述59至64GHz下变频器(5)的本振端口，通过下变频之后将射频信号变频至中频信号IF，首先通过所述接收中频滤波器(6)对中频信号进行滤波，然后进入所述接收中频可变增益放大器(7)进行放大处理后送入所述中频解调器(8)的射频端口，所述中频解调器(8)的本振端口由所述59至64GHz频率综合器(11)提供，解调后将一路射频信号变频为IQ两路进行处理；模拟基带信号输入至所述接收1.08GHz和540MHz可变带宽低通滤波器(9)进行滤波，滤除其有用信号之外的其他信号，所述接收1.08GHz和540MHz可变带宽低通滤波器(9)的输出提供给所述接收1.08GHz和540MHz可变带宽和增益放大器(10)进行放大至0dBm左右的信号之后提供给所述2.16Gsps采样率的模数转换器(15)采样，其中所述接收1.08GHz和540MHz可变带宽低通滤波器(9)和所述接收1.08GHz和540MHz可变带宽和增益放大器(10)根据实际接收到的信号带宽进行切换，当所述59至64GHz天线(1)接收到2.16GHz带宽的射频信号时选择1.08GHz带宽，当所述59至64GHz天线(1)接收到1.08GHz带宽的射频信号时选择540MHz带宽。3. The double frequency conversion structure transceiver for 60GHz wireless communication according to claim 2, characterized in that, in the receiving chain, the wireless signal of 59 to 64GHz first passes through the 59 to 64GHz antenna (1) Receive, filter out-of-band interference through the 59-64GHz band-pass filter (2), select the receiving path through the control of the 59-64GHz switch (3) and input it to the 59-64GHz low-noise amplifier (4) Amplify while introducing as little noise as possible; the amplified signal is input to the 59 to 64GHz downconverter (5) as its RF input port, while the local oscillator is provided by the 59 to 64GHz frequency synthesizer (11) The signal is sent to the local oscillator port of the 59 to 64GHz downconverter (5), and the radio frequency signal is converted to the intermediate frequency signal IF after the downconversion, and the intermediate frequency signal is first filtered by the receiving intermediate frequency filter (6), and then enters The receiving intermediate frequency variable gain amplifier (7) is amplified and sent to the radio frequency port of the intermediate frequency demodulator (8), and the local oscillator port of the intermediate frequency demodulator (8) is controlled by the 59 to 64GHz frequency Synthesizer (11) provides, after demodulation, the frequency conversion of one radio frequency signal is processed into IQ two-way; The analog baseband signal is input to the described receiving 1.08GHz and 540MHz variable bandwidth low-pass filter (9) to filter, filter out its For signals other than useful signals, the output of the receiving 1.08GHz and 540MHz variable bandwidth low-pass filter (9) is provided to the receiving 1.08GHz and 540MHz variable bandwidth and gain amplifier (10) to amplify to about 0dBm After the signal is provided to the analog-to-digital converter (15) sampling of the 2.16Gsps sampling rate, wherein the receiving 1.08GHz and 540MHz variable bandwidth low-pass filter (9) and the receiving 1.08GHz and 540MHz variable bandwidth And the gain amplifier (10) is switched according to the actual received signal bandwidth, selects 1.08GHz bandwidth when described 59 to 64GHz antenna (1) receives the radio frequency signal of 2.16GHz bandwidth, when described 59 to 64GHz antenna (1) Select 540MHz bandwidth when receiving RF signal with 1.08GHz bandwidth.4.根据权利要求1所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，所述2.16Gsps采样率的数模转换器(16)、发射1.08GHz和540MHz可变带宽和增益放大器(18)、发射1.08GHz和540MHz可变带宽低通滤波器(17)、中频调制器(12)、发射中频滤波器(19)、发射中频可变增益放大器(20)、上变频器(13)、59至64GHz功率放大器(14)、59至64GHz开关(3)、59至64GHz带通滤波器(2)、59至64GHz天线(1)和59至64GHz频率综合器(11)构成发射链路。4. the double frequency conversion structure transceiver for 60GHz wireless communication according to claim 1, is characterized in that, the digital-to-analog converter (16) of described 2.16Gsps sampling rate, transmits 1.08GHz and 540MHz variable bandwidth and Gain amplifier (18), transmit 1.08GHz and 540MHz variable bandwidth low-pass filter (17), IF modulator (12), transmit IF filter (19), transmit IF variable gain amplifier (20), upconverter (13), 59 to 64GHz power amplifier (14), 59 to 64GHz switch (3), 59 to 64GHz bandpass filter (2), 59 to 64GHz antenna (1) and 59 to 64GHz frequency synthesizer (11) constitute launch link.5.根据权利要求4所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，在该发射链路中，数字基带信号通过所述2.16Gsps采样率的数模转换器(16)转换为模拟基带信号，首先输入至所述发射1.08GHz和540MHz可变带宽和增益放大器(18)进行放大，且其增益可以调节，放大后信号输入所述发射1.08GHz和540MHz可变带宽低通滤波器(17)进行滤波，所述发射1.08GHz和540MHz可变带宽和增益放大器(18)和所述发射1.08GHz和540MHz可变带宽低通滤波器(17)的带宽根据系统实际发射信号进行调节，当系统发射2.16GHz带宽信号时选择带宽1.08GHz，当系统发射1.08GHz带宽信号时选择带宽540MHz。随后输入所述中频调制器(12)的中频输入端口，所述中频调制器(12)的本振端口由所述59至64GHz频率综合器(11)提供，经过调制之后的IQ两路信号相加为一路信号并调制到中频载波上，后通过所述发射中频可变增益放大器(20)和所述发射中频滤波器(19)进行放大和滤波处理后送入到所述上变频器(13)的中频端口，其本振端口由所述59至64GHz频率综合器(11)提供，同时所述上变频器(13)完成二次上变频功能并输入至所述59至64GHz功率放大器(14)，所述59至64GHz功率放大器(14)输出至所述59至64GHz开关(3)选择发射通路，通过所述59至64GHz开关(3)后进入所述59至64GHz带通滤波器(2)进行带外滤波后进入所述59至64GHz天线(1)进行发射。5. the double frequency conversion structure transceiver for 60GHz wireless communication according to claim 4, is characterized in that, in this transmission link, digital baseband signal passes through the digital-to-analog converter (16 of described 2.16Gsps sampling rate) ) into an analog baseband signal, first input to the launch 1.08GHz and 540MHz variable bandwidth and gain amplifier (18) to amplify, and its gain can be adjusted, the amplified signal is input to the launch 1.08GHz and 540MHz variable bandwidth low Pass filter (17) is filtered, and the bandwidth of described emission 1.08GHz and 540MHz variable bandwidth and gain amplifier (18) and described emission 1.08GHz and 540MHz variable bandwidth low-pass filter (17) is according to the actual emission signal of system Adjust to select a bandwidth of 1.08GHz when the system transmits a signal with a bandwidth of 2.16GHz, and select a bandwidth of 540MHz when the system transmits a signal with a bandwidth of 1.08GHz. Then input the intermediate frequency input port of the intermediate frequency modulator (12), the local oscillator port of the intermediate frequency modulator (12) is provided by the 59 to 64GHz frequency synthesizer (11), and the IQ two-way signal phase after modulation It is added as a signal and modulated onto an intermediate frequency carrier, and then sent to the up-converter (13) after being amplified and filtered by the transmitting intermediate frequency variable gain amplifier (20) and the transmitting intermediate frequency filter (19). ), the local oscillator port is provided by the 59 to 64GHz frequency synthesizer (11), and the upconverter (13) completes the secondary upconversion function and inputs it to the 59 to 64GHz power amplifier (14 ), the 59 to 64GHz power amplifier (14) outputs to the 59 to 64GHz switch (3) to select a transmission path, and enters the 59 to 64GHz bandpass filter (2) after passing through the 59 to 64GHz switch (3) ) enters the 59 to 64GHz antenna (1) for transmission after out-of-band filtering.6.根据权利要求1所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，该两次变频结构收发机采用两次变频的方法，通过将59至64GHz的射频信号经过一次变频到较低频率中频IF进行处理后，再解调至0至1.08GHz和0至540MHz的模拟基带信号。6. The transceiver with double frequency conversion structure for 60GHz wireless communication according to claim 1, characterized in that, the double frequency conversion structure transceiver adopts the method of double frequency conversion, by passing the radio frequency signal from 59 to 64GHz once After frequency conversion to a lower frequency intermediate frequency IF for processing, it is demodulated to analog baseband signals from 0 to 1.08GHz and 0 to 540MHz.7.根据权利要求1所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，所述接收1.08GHz和540MHz可变带宽和增益放大器(10)和所述发射1.08GHz和540MHz可变带宽和增益放大器(18)用于在1.08GHz带宽与540MHz带宽之间进行切换。7. The double frequency conversion structure transceiver for 60GHz wireless communication according to claim 1, characterized in that, said receiving 1.08GHz and 540MHz variable bandwidth and gain amplifier (10) and said transmitting 1.08GHz and 540MHz A variable bandwidth and gain amplifier (18) is used to switch between 1.08GHz bandwidth and 540MHz bandwidth.8.根据权利要求1所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，所述接收1.08GHz和540MHz可变带宽低通滤波器(9)和所述发射1.08GHz和540MHz可变带宽低通滤波器(17)用于在1.08GHz带宽与540MHz带宽之间进行切换。8. The double frequency conversion structure transceiver for 60GHz wireless communication according to claim 1, characterized in that, said receiving 1.08GHz and 540MHz variable bandwidth low-pass filter (9) and said transmitting 1.08GHz and The 540MHz variable bandwidth low-pass filter (17) is used for switching between 1.08GHz bandwidth and 540MHz bandwidth.9.根据权利要求1所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，该两次变频结构收发机在发射链路和接收链路中均是将信号变频到一中频进行放大和滤波处理后，再变频至模拟基带或者59至64GHz射频。9. The double frequency conversion structure transceiver for 60GHz wireless communication according to claim 1, characterized in that, the double frequency conversion structure transceiver is to convert the signal frequency to an intermediate frequency in the transmission link and the reception link After amplification and filtering, the frequency is converted to analog baseband or 59 to 64GHz radio frequency.10.根据权利要求1所述的用于60GHz无线通信的两次变频结构收发机，其特征在于，该两次变频结构收发机通过改变可变增益放大器的带宽，实现对1.08GHz带宽和540MHz带宽的模拟基带信号进行切换，从而使得收发机可以处理两种带宽的信号；通过改变低通滤波器的带宽，实现对1.08GHz带宽和540MHz带宽的模拟基带信号进行切换，从而使得收发机可以处理两种带宽的信号。10. The double frequency conversion structure transceiver for 60GHz wireless communication according to claim 1, characterized in that, the double frequency conversion structure transceiver realizes the 1.08GHz bandwidth and 540MHz bandwidth by changing the bandwidth of the variable gain amplifier By changing the bandwidth of the low-pass filter, the analog baseband signal of 1.08GHz bandwidth and 540MHz bandwidth can be switched, so that the transceiver can process two kinds of bandwidth signals. a bandwidth signal.

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