KR100587007B1 - Wake-up system of wireless transceiver - Google Patents

Abstract

An object of the present invention is to provide a wake-up system applied to a wireless transceiver of a product for home automation, factory automation, and the like.

The present invention applies a manual correlator having the same structure to a wireless transmitter and a wireless receiver in a wake-up system applied to a wireless transceiver of a product for home automation, factory automation, and the like, and to the front and rear ends of the correlator of the wireless receiver. By having each of the amplifiers controlled to operate these amplifiers at low power, the receiver can wake up in response to the wake-up signal transmitted from the transmitter at low power.

Wireless Transceiver, Remote Control, Wake-Up, Coralation, Matched SAW Filter

Description

WAKE-UP SYSTEM OF WIRELESS TRANSCEIVER}

1 is a configuration diagram of a wake-up system of a conventional radio transceiver.

2 is a block diagram of a wake-up system of a wireless transceiver according to the present invention.

3 is a configuration diagram of the first passive correlator of the present invention.

4 is a configuration diagram of a second manual correlator of the present invention.

5 is a timing chart for the main signals of the present invention.

Explanation of symbols on the main parts of the drawings

100: wireless transmitter 110: wake-up signal generation unit

120: first manual correlator 200: wireless receiver

210: first amplifier 220: amplification controller

221 control unit 222 pulse generator

223: signal detector 230: second manual correlator

240: second amplifier 250: AC / DC converter

260: wake-up switching unit ANT1: transmitting antenna

ANT2: receiving antenna PS: power supply

The present invention relates to a wake-up system applied to a wireless transceiver of a product for home automation, factory automation, etc. In particular, a passive correlator having the same structure is applied to a wireless transmitter and a wireless receiver, respectively, and the front end of the correlator of the wireless receiver. And a rear end amplifier and controlling the amplifiers to operate at low power, so that the receiver can wake up in response to the wake up signal transmitted from the transmitter at low power.

In general, as the utility of wireless communication increases, various types of connection networks in which wires and wireless are integrated are being constructed, and thus, requirements for technical specifications in the field of low-speed, low-cost, low-power wireless communication are being raised.

One of the methods for implementing such a low power is to operate in a power saving mode in which the user wakes up with a wake-up signal in the sleep mode. However, in order to wake up by the wakeup signal, an operation for periodically checking whether the wakeup signal is received and whether the received wakeup signal is its own wakeup signal should be performed.

As described above, for the confirmation operation required for wake-up, many active elements and circuits must be operated, and thus a lot of power consumption is required, and this power consumption needs to be reduced.

One of such wake-up systems of the wireless transceiver will be described with reference to FIG.

1 is a configuration diagram of a wake-up system of a conventional radio transceiver.

Referring to FIG. 1, a conventional wake-up system of a wireless transceiver includes a transmission control unit 10 for controlling a wake-up of a transmitter, and a transmission processing unit for generating and transmitting a wake-up signal under the control of the transmission control unit 10 ( 20) and the reception control unit 40 which repeatedly switches from the sleep mode to the standby mode to control whether the user receives the wakeup signal and determines whether the received signal matches the preset unique signal to control the wakeup. ), And a reception processing unit 30 which receives a reception signal under the control of the reception control unit 40 and performs a predetermined signal processing.

In the conventional wake-up process in the wireless transceiver, when the transmission controller 10 controls the transmission of the wake-up signal, the transmission processor 20 generates and transmits the wake-up signal.

At this time, when the sleep mode is switched to the standby mode and the reception controller 40 checks whether the wake-up signal is received or not, amplification and filtering of the signal received by the reception processing unit 30, and a demodulation process. After checking whether the received signal matches the preset unique signal, and wakes up if the match is matched, if it does not match repeatedly performs the operation to go back to the sleep mode.

As described above, in the wake-up system of the conventional radio transceiver, signal processing such as demodulation of a received signal is required for wake-up, and active elements such as a mixer or an oscillator must be operated for such signal processing, and thus power consumption is required. There is a problem that this is high.

The present invention has been proposed to solve the above problems, and its object is to apply a manual correlator of the same structure to a wireless transmitter and a wireless receiver in a wireless transceiver of a product for home automation, factory automation, and the like, and a wireless receiver. A wake-up system using an oscillation in which an amplifier is provided at the front and rear ends of the correlator, respectively, and the amplifiers are operated at low power so that the receiver can wake up in response to the wake-up signal transmitted from the transmitter at low power. To provide.

In order to achieve the above object of the present invention, the wake-up system of the wireless transceiver of the present invention

In the wake-up system consisting of a wireless transmitter and a wireless receiver,

The wireless transmitter,

A wake-up signal generator for generating a wake-up signal having a high level for a predetermined time;

A first passive correlator for correlating and encoding the wakeup signal; And

A transmission antenna for wirelessly transmitting a wake-up signal encoded by the first passive correlator,

The wireless receiver,

A receiving antenna for receiving a signal from the transmitting antenna;

A first amplifier configured to be enabled according to a first enable signal to amplify the signal from the reception antenna with a predetermined gain;

An amplifying controller providing a first enable signal to the first amplifier at all times and outputting a second enable signal when a wakeup signal output from the first amplifier is detected;

A second passive correlator structurally matched with the first passive correlator and correlating and decoding the output signal of the first amplifier; And

A second amplifier configured to be enabled according to the second enable signal to amplify an output signal of the second passive correlator and wake up the wireless receiver using the amplified signal;

Characterized by including.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings referred to in the present invention, components having substantially the same configuration and function will use the same reference numerals.

2 is a block diagram of a wake-up system of a wireless transceiver according to the present invention.

Referring to FIG. 2, the wake-up system of the wireless transceiver of the present invention includes a wireless transmitter 100 and a wireless receiver 200.

The wireless transmitter 100 correlates the wakeup signal generator 110 to generate a wakeup signal SWK having a high level for a predetermined time, according to a user's selection. A first passive correlator 120 for encoding and a transmission antenna ANT1 for wirelessly transmitting the wakeup signal encoded by the first passive correlator 120.

The wakeup signal generation unit 110 may amplify the wakeup signal from the signal generator 111 and the signal generator 111 to generate a wakeup signal having a high level for a predetermined time. And a power amplifier 112.

The wireless receiver 200 includes a receiving antenna ANT2 for receiving a signal from the transmitting antenna ANT1, a power supply PS for supplying operating voltages and wake-up voltages V1 and V2, and the first antenna. An amplification control unit 220 which provides a first enable signal SE1 to the amplifier 210 at all times and outputs a second enable signal SE2 when the wake-up signal output from the first amplifier 210 is detected. And a first amplifier 210 which is supplied with the operating voltage V1 and is enabled according to the first enable signal SE1 to amplify the signal from the reception antenna ANT2 with a predetermined gain. And a second passive correlator 230 structurally matched with the first passive correlator 120 and correlating and decoding the output signal of the first amplifying unit 210, and the operating voltage V1. Is supplied and is enabled according to the second enable signal SE2, thereby providing the second passive correlator 23. And a second amplifier 240 which amplifies the output signal of 0) and wakes up the wireless receiver using the amplified signal.

In addition, the wake-up device of the present invention includes an AC / DC converter 250 for converting a signal from the second amplifier 240 into a DC switching voltage VSW and the DC switching voltage VSW. The device may further include a wake-up switching unit 260 that is turned on and supplies a wake-up voltage V2 from the power supply unit PS to the wireless receiver.

The amplification controller 220 receives the operating voltage V1 at all times to perform first control, and receives the operating voltage V1 and the controller 221 which performs the second control when a wake-up signal is detected. According to the first control by the controller 221, a first enable signal SE1 is generated and output to the first amplifier 210, and a second is controlled by the controller 221. The pulse generator 222 generates an enable signal SE2 and outputs it to the second amplifier 240, and receives the operating voltage V1, and wakes up through the first amplifier 210. And a signal detector 223 for detecting a signal output and outputting the signal output to the controller 221.

Meanwhile, the first passive correlator 120 and the second manual correlator 230 of the present invention may be made of a passive element capable of performing a correlation capable of encoding or / and decoding a signal. In addition, matched SAW filters, FBAR (Film Bulk Acoustic Resonator), or FBAR filters can be applied.

In addition, the total amplification gain of the first and second amplifiers 210 and 240 is set to a gain for amplifying the received wake-up signal to a DC switching voltage required for switching on the wake-up switch 260. Is done.

Hereinafter, an application example in which the first passive correlator 120 and the second manual correlator 230 of the present invention are implemented as a matched SAW filter will be described with reference to FIGS. 3 and 4.

3 is a configuration diagram of the first passive correlator of the present invention.

Referring to FIG. 3, the first passive correlator 120 includes a matched SAW filter formed on a piezoelectric plate, and the matched SAW filter includes a wakeup signal from the wakeup signal generator 110. A SAW input electrode unit 121 for converting a SWK into a SAW signal, a coding electrode unit 122 for correlating and encoding the SAW signal, and converting the encoded SAW signal into an electrical signal to transmit the transmission antenna ( SAW output electrode portion 123 for outputting to ANT1).

The encoding electrode part 122 is predetermined alongside the first electrode 122A at a predetermined distance from the first electrode 122A formed of a predetermined conductive linear pattern on the piezoelectric plate and the first electrode 122A. A second electrode 122B made of a conductive pattern, a plurality of first electrode fingers f1 made of a conductive pattern connected to the first electrode 122A and formed in a direction of the second electrode 122B, and the second electrode 122B. A plurality of second electrode fingers f2 connected to the second electrode 122B and formed of a conductive pattern formed in the direction of the first electrode 122A, wherein the first and second electrode fingers f1 and f2 are mutually The interdigital comb structure includes a plurality of coding electrodes CE11 ˜ CE14 each having a pair of first electrode fingers f1 and second electrode fingers f2 corresponding thereto.

4 is a configuration diagram of a second manual correlator of the present invention.

Referring to FIG. 4, the second passive correlator 230 includes a matched SAW filter formed on a piezoelectric plate, and the matched SAW filter receives a received signal received through the receive antenna ANT2 from a SAW signal. A SAW input electrode unit 231 for converting the signal to a subfield; It includes a SAW output electrode unit 233 for converting into an electrical signal.

The decryption electrode unit 232 is formed in parallel with the first electrode 232A at a predetermined distance from the first electrode 232A and the first electrode 232A formed of a predetermined conductive linear pattern on the piezoelectric substrate. A plurality of first electrode fingers f1 formed of a conductive pattern formed in a conductive pattern of the second electrode 232B, a conductive pattern connected to the first electrode 232A, and formed in a direction of the second electrode 232B; A plurality of second electrode fingers f2 connected to the second electrode 232B and formed of a conductive pattern formed in the direction of the first electrode 232A, wherein the first and second electrode fingers f1 and f2 are mutually The interdigital comb structure includes a plurality of decoding electrodes CE21 ˜ CE24 each having a pair of first electrode fingers f1 and a second electrode finger f2 corresponding thereto.

Also, referring to FIG. 2, when the wakeup voltage V2 is supplied through the wakeup switching unit 260, the controller 221 outputs first and second switching signals SS1 and SS2. Is done.

The wake-up system always connects the reception antenna ANT2 and the first amplifier 210, and connects the reception antenna ANT2 and the reception signal processor 270 according to the first switching signal SS1. A second to cut off the operating voltages V1 supplied from the power supply unit PS to the first and second amplifiers 210 and 240 according to the first switch SW1 and the second switching signal SS2. It may further include a switch (SW2).

Referring to FIG. 2, the first enable signal SE1 of the pulse generator 222 is a signal that periodically repeats an on level and an off level, and one signal is generated during a high level holding time of the wakeup signal. It is made to have the above on time. The first amplifier 210 is periodically turned on according to the first enable signal SE1.

The pulse generator 222 is configured to maintain the first enable signal SE1 at an off level according to the second control of the controller 221 and further includes a second of the pulse generator 222. The enable signal SE2 has one on-level having a time longer than the on-time holding time of the first enable signal SE1.

5 is a timing chart for the main signals of the present invention.

In Fig. 5, SWK is a wake-up signal, which is composed of data "1" having a high level for a certain time and data "0" having a low level for a certain time. SE1 is a first enable signal, which consists of a signal that periodically repeats an on level and an off level. Here, T1 is a period of the first enable signal.

S1 is an output signal of the first amplifier 210, where T2 is a high level holding time of the output signal of the first amplifier 210. S2 is an output signal of the second passive correlator 230, and it can be seen that the signal is much larger than the S1 signal. And SE2 is the second enable signal, and it can be seen that it has an on level of the holding time longer than the holding time of the on level of SE1. Here, T3 is the on-level holding time of the second enable signal.

Hereinafter, the operation and effects of the present invention will be described in detail with reference to the accompanying drawings.

The operation of the wake-up system of the wireless transceiver of the present invention will be described with reference to FIGS. 2 to 5.

First, referring to FIG. 2, the wireless transmitter 100 of the wake-up system of the wireless transceiver of the present invention wirelessly transmits a wake-up signal according to a user's selection.

In this regard, the wakeup signal generator 110 of the wireless transmitter 100 generates a wakeup signal SWK having a high level for a predetermined time and outputs the wakeup signal SWK to the first passive correlator 120. More specifically, the signal generator 111 of the wakeup signal generator 110 generates a wakeup signal having a high level for a predetermined time and outputs the wakeup signal to the power amplifier 112. For example, referring to FIG. 5, the high level holding time (eg, data “1”) of the wakeup signal SWK lasts for at least one cycle of the first enable signal SE1. Subsequently, the power amplifier 112 amplifies the wake-up signal from the signal generator 111 into power required for transmission.

Next, the first passive correlator 120 correlates and encodes the wakeup signal SWK to wirelessly transmit the encoded wakeup signal through the transmission antenna ANT1.

In this case, since the wakeup signal is encoded by the first passive correlator 120, when the correlator having the same structure is applied to the receiver, the receiver may decode the wakeup signal to wake up the wireless receiver. Can generate the required voltage.

As described above, a description will be given of a process in which the receiver, which receives the wakeup signal transmitted from the transmitter, wakes up.

Referring to FIG. 2, the wireless receiver 200 of the wake-up system of the wireless transceiver of the present invention receives the wake-up signal from the wireless transmitter and wakes up. This wake-up operation will be described.

First, a signal transmitted from the transmitting antenna ANT1 is received through the receiving antenna ANT2 of the wireless receiver 200.

Next, the amplification controller 220 of the wireless receiver 200 always provides the first enable signal SE1 to the first amplifier 210, and wakes up from the first amplifier 210. The second enable signal SE2 is output when the signal is detected. Here, the control unit 221 of the amplification control unit 220 is supplied with the operating voltage (V1) at all times to perform a first control, at this time, the pulse generator 222 is supplied with the operating voltage (V1), The first enable signal SE1 is generated and output to the first amplifier 210 according to the first control by the controller 221.

Referring to FIG. 5, the first enable signal SE1 of the pulse generator 222 may be a signal for periodically repeating an on level and an off level, and during the high level holding time of the wakeup signal. It has one or more on times.

The first amplifier 210 is supplied with the operating voltage V1 and is enabled according to the first enable signal SE1 to amplify the signal from the receiving antenna ANT2 with a predetermined gain. The signal S1 having a predetermined high level holding time is output to the second passive correlator 230. In this case, the second passive correlator 230 is structurally matched with the first passive correlator 120, and correlates and decodes the output signal S1 of the first amplifier 210 to decode the signal. Outputs

Here, in order to convert the wake-up signal into a wake-up voltage required for wake-up of the wireless receiver 200, the second correlator 230 is structural and / or the first passive correlator 120 applied to the transmitter. Or functionally matched.

In this case, the signal detector 223 of the amplification controller 220 receives the operating voltage V1, detects the wakeup signal output through the first amplifier 210, and outputs the wakeup signal to the controller 221. When the wakeup signal is detected, the controller 221 performs a second control, and thereafter, the pulse generator 222 performs a second enable signal SE2 according to the second control by the controller 221. To generate and output to the second amplifier 240.

In addition, referring to FIG. 5, the pulse generator 222 is configured to maintain the first enable signal SE1 at an off level according to the second control of the controller 221. The second enable signal SE2 of the generator 222 includes one on-level having a time T3 longer than the on-time holding time T1 of the on-level of the first enable signal SE1.

The second amplifier 240 is supplied with the operating voltage V1 and is enabled according to the second enable signal SE2 to output the output signal S2 of the second manual correlator 230. When amplified and output to the AC / DC converter 250, the AC / DC converter 250 converts a signal from the second amplifier 240 into a DC switching voltage VSW to wake up the switching unit ( 260). The wakeup switching unit 260 is turned on according to the DC switching voltage VSW to supply the wakeup voltage V2 from the power supply unit PS to the wireless receiver.

Hereinafter, the first manual correlator 120 and the second manual correlator 230 will be described in detail with reference to FIGS. 3 and 4.

First, referring to FIGS. 2 and 3, in the first passive correlator 120, the wakeup signal SWK from the wakeup signal generator 110 is SAW by the SAW input electrode unit 121. After conversion to a signal, the encoding electrode unit 122 correlates and encodes the SAW signal from the SAW input electrode unit 121. Thereafter, the SAW signal from the encoding electrode unit 122 is converted into an electrical signal by the SAW output electrode unit 123 and output to the transmission antenna ANT1.

Here, the encoding process of the first passive correlator 120 will be described. The signal input by the first passive correlator 120 of the present invention is encoded according to the structure of the matched SAW filter. That is, in the plurality of electrode pairs included in the encoding electrode of the encoding electrode unit 122, the plurality of first electrodes formed of a conductive pattern connected to the first electrode 122A and formed in the direction of the second electrode 122B. The encoding is performed differently according to the arrangement order of the plurality of second electrode fingers f2 which are connected to the edge f1 and the conductive pattern formed in the direction of the first electrode 122A and connected to the second electrode 122B.

For example, a case where the second electrode finger f2 is disposed after the first electrode finger f1 is referred to as "1", and the opposite arrangement is referred to as "0". 122) encodes to "0,1,0,0".

Next, referring to FIGS. 2 and 4, in the second passive correlator 230, an output signal of the first amplifier 210 is converted into a SAW signal by the SAW input electrode part 231, and continues. Thus, the decoding electrode unit 232 decodes the SAW signal from the SAW input electrode unit 231 by performing the same correlation as that of the first passive correlator 120. Thereafter, the SAW signal from the encoding electrode unit 232 is converted into an electrical signal by the SAW output electrode unit 233.

On the other hand, when the decoding process of the second passive correlator 230 will be described, the second passive correlator 230 of the present invention decodes the input signal according to the structure of the matched SAW filter. In the plurality of electrode pairs included in the decryption electrode of the decryption electrode unit 232, an arrangement order of electrode fingers of each electrode pair, that is, a conductive pattern connected to the first electrode 232A and formed in the direction of the second electrode 232B. In order to arrange a plurality of first electrode fingers f1 formed of a plurality of second electrode fingers f2 connected to the second electrode 232B and a conductive pattern formed in a direction of the first electrode 232A. Therefore, the encoding is different.

For example, a case where the second electrode finger f2 is disposed after the first electrode finger f1 is referred to as "1", and the opposite arrangement is referred to as "0". 232 performs encoding by " 0, 1, 0, 0 ", which is matched to the encoding in the encoding electrode unit 122 of the first passive correlator 120.

In addition, referring to FIG. 2, when the wakeup voltage V2 is supplied through the wakeup switching unit 260, the controller 221 receives the first and second switching signals SS1 and SS2. Output to the switch SW1 and the second switch SW2, respectively. Accordingly, in the wake-up system, the first switch SW1 always connects the reception antenna ANT2 and the first amplifier 210. In addition, the reception antenna ANT2 is connected to the reception signal processor 270 according to the first switching signal SS1, and a signal from the reception antenna ANT2 is input to the reception signal processor 270 to receive and process the received signal. Is done.

In addition, the second switch SW2 cuts off the operating voltages V1 supplied from the power supply unit PS to the first and second amplifiers 210 and 230 according to the second switching signal SS2.

According to the present invention as described above, it is possible to apply the correlator matched to each transceiver to wake up without increasing the amplifier amplification rate, it is possible to lower the power consumption for wake-up.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, but is defined by the claims, and the apparatus of the present invention may be substituted, modified, and modified in various ways without departing from the spirit of the present invention. It is apparent to those skilled in the art that modifications are possible.

According to the present invention as described above, in a wireless transceiver of a product for home automation, factory automation, etc., a passive correlator having the same structure is applied to a wireless transmitter and a wireless receiver, respectively, and at the front and rear ends of the correlator of the wireless receiver. By providing each of the amplifiers and controlling these amplifiers to operate at low power, there is an effect that the receiver can wake up in response to the wake-up signal transmitted from the transmitter at low power.

Claims (14)

In the wake-up system consisting of a wireless transmitter and a wireless receiver, The wireless transmitter, A wake-up signal generator for generating a wake-up signal having a high level for a predetermined time; A first passive correlator for correlating and encoding the wakeup signal; And A transmission antenna for wirelessly transmitting a wake-up signal encoded by the first passive correlator, The wireless receiver, A receiving antenna for receiving a signal from the transmitting antenna; A first amplifier configured to be enabled according to a first enable signal to amplify the signal from the reception antenna with a predetermined gain; An amplifying controller providing a first enable signal to the first amplifier at all times and outputting a second enable signal when a wakeup signal output from the first amplifier is detected; A second passive correlator structurally matched with the first passive correlator and correlating and decoding the output signal of the first amplifier; And A second amplifier configured to be enabled according to the second enable signal to amplify an output signal of the second passive correlator and wake up the wireless receiver using the amplified signal; Wake-up system of a wireless transceiver comprising a. According to claim 1, The wake-up device, An AC / DC converter converting a signal from the second amplifier into a DC switching voltage; And A wake-up switching unit which is turned on according to the DC switching voltage and supplies a wake-up voltage to the wireless receiver; Wake-up system of the radio transceiver further comprising a. According to claim 1 or 2, wherein the amplification control unit A control unit configured to receive a first operating voltage to perform a first control and to perform a second control when a wake-up signal is detected; The first enable signal is generated and output to the first amplifier according to the first control by the controller, and the second enable signal is generated by the second control by the controller. An output pulse generator; And A signal detector which receives the operation voltage and detects a wake-up signal output through the first amplifier and outputs the wake-up signal to the controller Wake-up system of a wireless transceiver comprising a. The wakeup signal generator of claim 1, A signal generator for generating a wake-up signal having a high level for a predetermined time; And A power amplifier for amplifying the wake-up signal from the signal generator to the power required for transmission Wake-up system of a wireless transceiver comprising a. The method of claim 1 wherein the first manual correlator is Consisting of a matched SAW filter formed on a piezoelectric plate, The matched SAW filter A SAW input electrode unit for converting a wakeup signal from the wakeup signal generator into a SAW signal; An encoding electrode unit for correlating and encoding the SAW signal; And The SAW output electrode unit converts the encoded SAW signal into an electrical signal and outputs the electrical signal to the transmitting antenna. Wake-up system of a wireless transceiver comprising a. The method of claim 5, wherein the encoding electrode unit A first electrode made of a predetermined conductive linear pattern on the piezoelectric substrate; A second electrode formed at a predetermined distance from the first electrode and having a predetermined conductive pattern in parallel with the first electrode; And A plurality of first electrode fingers formed of a conductive pattern connected to the first electrode and formed toward the second electrode, and a plurality of second electrode fingers made of a conductive pattern connected to the second electrode and formed in the first electrode direction And a plurality of encoding electrodes each having a comb-tooth structure in which the first and second electrode fingers are engaged with each other, wherein each of the first electrode fingers and a second electrode finger corresponding thereto is paired. Wake-up system of a wireless transceiver comprising a. The method according to claim 1 or 2, wherein the total amplification gain of the first and second amplifiers is And a gain for amplifying the received wake-up signal to a DC switching voltage required for switching on the wake-up switching unit. The method of claim 1, wherein the second manual correlator is Consisting of a matched SAW filter formed on a piezoelectric plate, The matched SAW filter A SAW input electrode unit converting a received signal received through the receiving antenna into a SAW signal; A decoding electrode unit which decodes the SAW signal by performing the same correlation as that of the first passive correlator; And SAW output electrode unit for converting the decoded SAW signal into an electrical signal Wake-up system of a wireless transceiver comprising a. The method of claim 8, wherein the decoding electrode unit A first electrode made of a predetermined conductive linear pattern on the piezoelectric substrate; A second electrode formed at a predetermined distance from the first electrode and having a predetermined conductive pattern in parallel with the first electrode; And A plurality of first electrode fingers formed of a conductive pattern connected to the first electrode and formed toward the second electrode, and a plurality of second electrode fingers made of a conductive pattern connected to the second electrode and formed in the first electrode direction And a plurality of decoding electrodes including a comb-tooth structure in which the first and second electrode fingers are engaged with each other, wherein each of the first electrode fingers and a second electrode finger corresponding thereto is paired. Wake-up system of a wireless transceiver comprising a. The method of claim 3, wherein the control unit The wakeup system of the wireless transceiver, characterized in that configured to output the first and second switching signals, when the wakeup voltage is supplied through the wakeup switching unit. The system of claim 10, wherein the wake up system is A first switch which always connects the reception antenna and the first amplifier and connects the reception antenna and the reception signal processor according to the first switching signal; And A second switch to cut off operating voltages supplied to the first and second amplifiers according to the second switching signal; Wake-up system of the radio transceiver further comprising a. The method of claim 3, wherein the first enable signal of the pulse generator is A wake-up system for a wireless transceiver, comprising a signal for periodically repeating an on level and an off level, and having at least one on time during a high level holding time of the wake up signal. The method of claim 12, wherein the pulse generator Wake-up system of a wireless transceiver, characterized in that configured to maintain the first enable signal at an off level under the second control of the controller. The method of claim 13, wherein the second enable signal of the pulse generator is Wake-up system of a wireless transceiver, characterized in that made of one on-level having a longer time than the on-level holding time of the first enable signal.

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