KR100381886B1 - Cdma signal detection apparatus of relay station for wireless communication - Google Patents

Abstract

The present invention instantaneously gains or outputs the repeater according to the presence or absence of the user and the propagation environment within the coverage (Coverage) that is actively responsible for the function of simply amplifying and transmitting the forward and reverse micro-signals of the existing repeater. It can be judged and controlled by itself without external control, and it can be applied to multi-carrier and operator integrated relay device to identify the connection status of subscribers by FA and operator and to efficiently distribute RF power by FA and operator. At the same time, it provides basic detailed information related to FA and provider frequency required for each operator's network management dimension, and it can be installed without any direct interface with various existing repeater internal circuits. Network output including grasping output status, connection frequency and number of users It delivers detailed information necessary for the re-dimension to the operator's network management NMS to enable the information transmission and control of the entire network management level including the unclear and impossible repeater to quickly cope with the intelligent communication technology of the rapidly developing repeater. To provide a CDMA signal detection device for a repeater for wireless communication, which maximizes reliability and satisfaction in use.

Description

CDA signal detection device of repeater for wireless communication {CDMA SIGNAL DETECTION APPARATUS OF RELAY STATION FOR WIRELESS COMMUNICATION}

The present invention relates to a wireless communication CDM signal detection method and apparatus for applying to a repeater installed to facilitate the transmission and reception of wireless communication devices such as mobile phones and PCS, in more detail. In order to control the gain and output of the existing repeater at the maximum setting gain and the maximum setting output at any time according to the subscriber's connection or not, the output of the repeater is shut down in the absence of the subscriber's connection. In order to continuously monitor the subscriber's access status and data rate, the gain and output of the repeater are minimized every time, and the pre-conciliation alarm associated with the multi-carrier repeater is controlled. Efficient RF POWE by Continuously Monitoring Subscriber Access Status by Frequent Allocation (FA) In addition to enabling R distribution, it is also possible to provide basic detailed information related to the frequency of access by FA and operator, which is necessary for the network management of each operator, and the output status and connection of the existing repeater's normal operation, no operation, and RF power. RF modem that has already been put to practical use by detecting, judging and controlling the minimum information necessary for each operator's network management dimension such as usage counting from the outside without direct interface with various internal repeaters. Through the network management NMS of the operator through the network management and control of the entire base station (BTS), including the repeater in the unclear concept by passing through to the operator's network management NMS, to quickly cope with the intelligent communication technology of the repeater, CDMA wireless repeater for maximum reliability and satisfaction No. relates to a detection apparatus.

Currently, repeaters installed and operated by operators operating CDMA and PCS in Korea to secure coverage of base stations have reached tens of thousands in total, medium, and small.

Such an increase in the absolute quantity of each of the repeaters has contributed sufficiently to secure the subscriber's call coverage at a low cost compared to the additional installation cost of the base station (BTS), but the simple function of the existing repeater ( Due to the simple amplification and transmission of the bi-directional micro-signals of the UP / DOWN link rather serious problems as follows.

That is, in order to respond to the call request of the subscriber at any point in time, the repeater should always be in the standby state regardless of the subscriber's connection in the maximum setting gain and the maximum output possible state, and the subscriber's connection Even if the carrier is not on (carrier on or link), the base noise level of the used FA band is amplified to the maximum gain, and the RF band base noise level of the base station (BTS) reception path due to the situation of transmitting to the base station (BTS) As a result, the capacity of the subscriber of the base station (BTS) decreases, and the call quality deteriorates.

In addition, a method and apparatus for exchanging information on the network management dimension of the operator related to the operation, statelessness, and control of the repeater in the medium-medium or small-sized repeater have not been installed in the existing relay equipment. Even if it is installed, there is excessive effort and cost for constant demodulation of CDMA signal, PN Code synchronization and detection for instantaneous change of code rate and instantaneous code rate detection and determination such as EVRC. There is a problem that is practically not applicable, such as having to solve the interface (interface) with various repeaters even if the installation is put into the cost.

On the other hand, Figure 1 is a block diagram showing a conventional repeater implemented in the prior art, Figure 2 is a conventional block diagram for detecting the CDMA signal to LNA, MIXER, PLL and constant to demodulate a constant modulated CDMA signal All existing RF signal processing units such as a demodulator should be provided, and a synchronization algorithm for frequency synchronization, secondly, QPSK demodulation and synchronization is required, and at the same time, a high speed for PN code detection is required. In-depth knowledge and understanding of the system level protocol and its ability to monitor the signal processor, the PN code synchronizer and its algorithms, or the instantaneous changing subscriber state. There is a problem that is required until.

Therefore, due to the above problems, the repeater which is conventionally practiced is contrary to the rapidly developed communication technology, which has a limitation in productivity and economical efficiency and poor call quality. There are always problems that are minimized.

The present invention has been made to solve the above-mentioned problems and has the following object.

According to the present invention, a function of simply amplifying and forwarding a forward and reverse micro-signal of an existing repeater is active within a coverage (Coverage) in which the repeater is in charge, depending on the presence or absence of the user and the propagation environment. By judging the output by itself without external control and applying it to the multi-carrier environment and the integrated relay system of operators, it is possible to grasp the connection status of subscribers by FA and operators and to efficiently distribute RF power by FA and operators. At the same time, it provides basic detailed information related to FA and provider access frequency required for each operator's network management. In order to perform the above functions, it is necessary for the network management dimension such as the normal operation status of the existing repeater, the output status of the RF repeater, the frequency of the connection and the number of connected users by simply attaching it without any direct interface with various existing repeater internal circuits. By transmitting the detailed information to the operator's network management NMS, it enables the information transmission and control of the entire network management level including the unclear and impossible repeater to quickly cope with the intelligent communication technology of the rapidly developing repeater, and the reliability of use. And to provide a CDMA signal detection device of the repeater for wireless communication to maximize the satisfaction.

The present invention for achieving the above object is a feature that has a relatively wide bandwidth (band width) compared to the heterodyne (Heterodyne) reception method, and simultaneously performs the function of reception and detection as one transistor (Transistor) The Super Regenerative Receiver (hereinafter referred to as 'SRR') is used for CDMA signal detection, but the known SRR is used to increase the reception center frequency (fo) and set bandwidth fluctuately, and to expand the bandwidth over a certain amount. In order to overcome the drawbacks of the limitations, it is necessary to secure a bandwidth of at least 1.3 MHz for receiving a CDMA signal, and in particular, to demodulate a QPSK signal of 1.2288 Mchips / s as an SRR, a dozens of sampling signals are required. Stable sampling signal with constant slope to achieve stable center frequency and flat demodulation in bandwidth In order to stabilize the center frequency (fo) and bandwidth, and apply a surface acoustic wave filter (SAW Filter: commonly referred to as SAW filter), which is mainly used as a band pass filter for CDMA mobile phones, The SRR is a sample signal generated by a sample signal generator of an external temperature compensation crystal oscillator (hereinafter referred to as TCXO) type, which converts an unstable self-quench signal generated by L and C to an external temperature compensation crystal oscillator. The injection is made to obtain a flat demodulation characteristic at a wide bandwidth.

The QPSK CDMA modulated signal demodulated by the wideband, bandwidth-stabilized super regenerative receiver (SRR) can also be used for the purpose of the present invention, to determine whether the subscriber is connected or not, to determine the PN code density, to detect the CDMA RF power level, In order to perform the control, an AGC circuit, a level slicer, a mono stable multivibrator, a fast up slow down circuit, and an integrator are applied to the formed CDMA baseband signal processing unit, thereby enabling code density coefficient, power level detection and control, which is the object of the present invention. Will be done.

1 is a block diagram showing a conventional repeater carried out in the prior art,

2 is a conventional configuration diagram for CDMA signal detection;

3 is an exemplary diagram of a circuit configuration implemented on a super regenerative receiver;

4 is a conceptual diagram for explaining the present invention;

Figure 5 is a detailed configuration diagram for showing the present invention in detail,

6 is a configuration diagram for coping with a multi-carrier and a service provider integrated type;

6A is a flowchart for easily showing the operation relationship of FIG. 6;

7 is an embodiment configuration for showing an external NMS module corresponding to the existing repeater,

8 is a reference diagram of the result when applied when no signal,

9 is a reference diagram of a result applied when an unmodulated signal is input;

10 is a reference diagram of a result applied when a CDMA signal is input;

11 is a reference diagram of a result applied when a 10 dB level up is applied;

12 is a reference diagram of the results that are applied when the rate is changed.

Explanation of symbols on the main parts of the drawings

90: gain controller 100: super regeneration receiver

110: SAW filter 120: detector

130, 220: amplifier 140, 230: fast-up slow down circuit

150: comparator 160: saturator

170: Level Slicer 180: Long Mono Stable Vibrator

190: short mono stubble vibrator 200: sample signal generator 210: integrator

240: mixing section 250: PLL section

260: microprocessor and logic section

300: signal processing unit SRR: ultra-reproducing receiver

Hereinafter, with reference to the accompanying drawings which is a preferred embodiment for implementing the above-described invention will be described in detail.

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

In addition, the terms to be described below are terms set in consideration of functions in the present invention, which may vary depending on the intentions or customs of the producers producing the products, and the definitions should be made based on the contents throughout the specification.

The present invention is shown in Figures 4 to 7, Figure 4 is a conceptual diagram for explaining the present invention, Figure 5 is a detailed configuration diagram for showing the present invention in detail, Figure 6 is a multi-carrier FIG. 7 is a schematic diagram illustrating an external NMS module corresponding to an existing repeater. Referring to FIG.

That is, in the present invention, in order to fabricate a SRR that is stable and satisfies broadband characteristics, an external TCXO type sample signal generator 200 is added to the STX filter 110 to which the SAW filter 110 is added. After injecting the generated sample signal of the proposed degree, the detected QPSK demodulation signal of the super reproduction receiving unit 100 is applied to the signal processing unit 300 which analyzes and measures the CDMA code density and power level. Surface Acoustic Wave Filter is a part that forms a specific pattern on a substrate and selects and outputs a desired frequency.It is very capable of manufacturing small size with good frequency blocking characteristics.It is a specific service frequency band for each wireless carrier. Is allocated, and each band is divided into a plurality of frequency channels. In the monitor channel and so to determine the condition of the signal, it should be able to receive a signal in each of the separate frequency channel, and uses a SAW filter 110 in the signal detection device to perform this function.

A detector 120 formed as a rectifier for direct current (DC) the CDMA noise signal output from the super reproduction receiver 100 of the super reproduction receiver SRR, and through the detector 120. Super-receiving receiver (SRR) preset through the amplifier 130 for properly amplifying the output fine signal, and the signal amplified by the amplifier 130 through a fast up slow down circuit unit 140 Optimal operation of the super regenerative receiver (SRR) at all times by forming a comparator 150 for comparing with the optimal level reception level of the control unit to control the gain controller 90 due to the difference of the comparison value output by the comparator 150 If the input of the super regenerative receiver (SRR) is the first stage of the repeater, the total output of the connected terminals is monitored, and if the input of the super regenerative receiver (SRR) is the output terminal of the repeater The repeater It is made to generate the AGC control signal for monitoring the output state.

In addition, the saturator 160 and the saturator 160 for insensitive to the input level fluctuation of the CDMA noise (pseudo noise) signal output from the super-play receiver 100 of the super-receiver receiver (SRR) and the input level fluctuations; Repeater output is turned on / off by a level slicer 170 for converting a signal outputted from the signal into a noise pulse stream and a signal outputted through the level slicer 170. It is formed of a long mono stable multivibrator (180) to turn off the output of the repeater to determine whether or not the user currently connected to the base station (BTS) through the repeater ( on / off) signals.

Short mono stable multivibrator 190 for obtaining a signal converted into a noise pulse stream by the level slicer 170 as a normalized noise pulse stream. ), An integrator 210 for converting a signal through the short mono stubble multivibrator 190 into direct current (DC) conversion, an amplifier 220 for properly amplifying a fine signal through the integrator 210, The gain and maximum ALC level of the repeater are formed by forming a fast up slow down circuit 230 for outputting an amplified signal output from the amplifier 220 to a peak noise pulse density. to get the output controlling the level.

The above configuration unit is made so that the same result can be obtained by using a counter and a timer formed inside the micro-processor.

The center frequency of the SRR is fixed to an appropriate IF band and then formed of a MIXER unit 240, a PLL unit 250, a microprocessor and a logic unit 260. It is made to correspond to the operator-integrated repeater.

The PLL unit 250 is formed of two VCO1 251 and VCO2 252, and two kinds of outputs of the VCOs 251 and 252 are provided through the SPDT switch 253 at appropriate time division intervals. 240 to provide fast in-band sweep and FA-specific detection and confirmation as the super-renewable receiver (SRR), and the VCO2 252 is driven by a microprocessor and logic unit 260. A free running sweep is performed under the control of A 254, and the VCO1 251 is controlled by the microprocessor and logic unit 260 for accurate detection and monitoring confirmation. Locks to the corresponding FA channel at each assigned time slot and controls the SPDT switch 253 in the microprocessor and logic unit 260 according to the time slot situation. Full time slot to adapt to radio conditions and user fluctuations It made to vary.

The CRN RF signal is provided to the super regenerative receiver SRR through the directional coupler 1, 270, and controlled and output by the microprocessor and logic unit 260. Receives the detected data generated by the microprocessor and the logic unit 260 using a CDMA RF modem or other RF data link 280 using a conventional coupler 2 (Directional coupler 2, 290) It transmits the information related to the repeater to the service provider NMS network by transmitting it to an external antenna to combine with the output.

Reference numeral 310 denotes a terminal of a microprocessor such as a notebook and a computer for transmitting and processing data through a communication cable (RS-232) connected to the microprocessor and logic unit 260. will be.

On the other hand, the present invention can be variously modified in the signal detection device having the above configuration and may take various forms.

It is to be understood, however, that the present invention is not limited to the specific forms referred to in the above description, but rather includes all modifications, equivalents and substitutions within the spirit and scope of the invention as defined by the appended claims. It should be understood to do.

In the present invention as described above, the CDMA signal applied to the super reproduction receiver 100 of the super reproduction receiver SRR through the gain controller 90 is generated by the low loss SAW filter 110 and the sample signal generator 200. By the cancel signal, the SAW filter 110 performs the PN code signal detection stably within the band limited bandwidth.

At this time, the detected signal is applied to two paths, the path (a) of the path generates an AGC signal for the control of the gain controller 90 for operation in the stable region of the super regenerative receiver (SRR). Is authorized to do so.

That is, as shown in Figure 11, the characteristics of the super-receiver receiver (SRR) is that the level of the detected PN noise fluctuates according to the change of the input level of the CDMA signal, and rectifies the signal by the detector 120 After that, the rectified output is applied to the amplifier 130 to be amplified to an appropriate value, and then compared with the optimal reception level value in the comparator 150 through the fast up slow down circuit unit 140. The AGC control signal, which is the output signal, is generated to control the gain controller 90.

At this time, the operation of the fast up slow down circuit unit 140 is that, if a CDMA signal of any level is applied to the super regenerative receiver SRR, the output of the noise level amplifier 130 is generally well known. It plays a role similar to the Received Signal Strength Indicator (RSSI), and this output is prevented from saturation and instantaneous fluctuation of the SRR by the fast up slow down circuit unit 140. In order to obtain a peak hold value of the instantaneous maximum power corresponding to an input CDMA level change, the output is compared with an optimal reception range value (ie, a voltage) of the super-reproducing receiver (SRR) preset in the comparator 150. As the difference value, the gain of the gain controller 90 is controlled by negative feed back.

The characteristics of the resulting AGC control signal indicated above indicate the maximum output state of the mobile station and the maximum output state for a certain period of time in a configuration such as an internal or external module of the repeater. It is.

In addition, description of the path c in the path b indicates that the PN noise signal detected by the super regenerative receiver SRR performs signal processing almost independently of the CDMA input variation applied to the super regenerative receiver SRR. In order to achieve sufficient saturation and amplification through the saturator 160, it passes through the level slicer 170 to a noise pulse stream having little influence on the input level variation of the SRR. Change.

In this case, the noise pulse stream is applied to the long mono stubble vibrator 180 through the path c about 1 ms, and the operation thereof is performed based on a minimum rate of the voice vocoder of the terminal. In the worst case, the terminal detects that the terminal is currently in the link even when the link is transmitted only at the minimum rate of the vocoder.

In other words, the same output is always maintained even at the lowest density transmission in which the interval of the noise pulse stream is spread at intervals of 1 ms.

Therefore, the mode of the long mono stubble vibrator 180 should be retriggerable, the output of which means a link state of the mobile station, and on / off of the repeater output. ) It is used as a control signal.

In addition, the description of the path (d) is that the noise pulse stream (noise pulse stream) passing through the level slicer 170 is applied to the short mono stubble vibrator 190, 0.5 ~ 1μs for each pulse input Generates a constant pulse of.

That is, the above operation may be referred to as normalization of a constant pulse width with respect to a random noise pulse width, and standardization corresponding to noise pulse density. A normalized noise pulse stream may be obtained, and the signal is DC (DC) through the integrator 210 and then amplified appropriately in the amplifier 220 to the fast-up slow-down circuit 230. Is approved.

In this case, the output of the fast up slow down circuit 230 may be regarded as a peak noise pulse density of a slow down setting time, which is currently associated with a base station (BTS) through a repeater or the like. Since it is directly related to the number of mobile stations being connected, it may be possible to manufacture an intelligent repeater that adapts to each situation by controlling the output ALC (Automatic Level Control) of the repeater using the output.

In the future, repeaters developed and manufactured in the future will be supported by Multi FA, Multi carrier and carrier-integrated broadband due to the integration of IST-95C, which is already under construction, and IMT-2000, which is expected to be established within several years, and domestic operators. Redesigned with suitable repeaters, new installations are inevitable.

Therefore, as shown in Figure 6, a multi-carrier, multi FA and carrier integrated repeater for applying the present invention as a configuration diagram for the intelligent, the center frequency (fo) is fixed to the appropriate IF band mixing section And a microprocessor and a logic unit 260 for controlling the frequency of the PLL unit 250 and the PLL unit 250 and appropriately processing the signal, and the PLL unit 250. Is composed of two VCOs 251 and 252, and the output of each VCO 251 and 252 is applied to the mixing unit 240 through an SPDT switch 253.

That is, the VCO1 251 is locked at a specific frequency, and the VCO2 252 is free running, but the D / A 254 output controlled by the microprocessor and logic unit 260. SPDT switch 253 which sweeps the entire allocated band at a high speed by the fast sweep signal and the locked signal are controlled by the microprocessor and logic unit 260. In accordance with the conversion is applied to the mixing unit 240 in a time-division manner.

At every time division sequence, the VCO1 251 sequentially applies an output locked to each expected FA band, and at every time division sequence, the VCO2 252 is able to rapidly predict the entire predictable band. Will sweep.

The fast sweep signal performs a multi-carrier band and a fast sweep in which a lock delay of each service provider's pre-allocated band is ignored. When it occurs, the microprocessor and logic unit 260 immediately turns on the output of the repeater and at the same time sets the gain and ALC level to the maximum, and the microprocessor and logic unit 260 Since the output D / A 254 value corresponds to the approximate frequency of the used FA, it is possible to quickly skip the sequential steps for each time division sequence to enable the actual FA frequency through the path of the VCO1 251. .

Similar sequences may be applied as described above even under the circumstances of the multi-carrier and the multi-user, for example, five mobile stations are linked to different FA bands. If there is a situation, the output of the VCO1 251 is applied to the mixing unit 240 only the FA band signal that is sequentially transmitted (link) sequentially in each time division sequence (sequence).

Each time division sequence includes a fast sweep time slot and a fast sweep that cover an entire band to correspond to a link attempt of another mobile station that may occur at any point in time. The time slot for determining the exact FA band of the signal detected by the multiple time slots for continuously monitoring the determined FA signal is present. The monitoring time slot is increased to five.

FIG. 6A is a flowchart for easily showing the situation of FIG. 6 described above, and the present invention enables efficient gain and output distribution for each FA and each operator due to the above operation. When applied to the NMS module, each operator will be able to obtain detailed information to grasp the information in the area.

As shown in FIG. 7, when applied to an external NMS module corresponding to an existing relay device, remote monitoring and control can be easily performed without changing the infrastructure of an existing repeater that is already installed and operated. It becomes possible.

That is, by simply connecting to the external antenna connection terminal of the target repeater without the circuit and structural changes or complicated interface inside the various types of repeaters, the operation status of the repeater as well as the current RF output accuracy, The number of users (link) is being linked (link) or the user (frequency) user access frequency, etc. can be identified and controlled at the same time to the operator.

The output from the repeater is a signal coupled by the directional coupler 1 (270) is applied to the component described above, and the signal generated by this is appropriately controlled by the microprocessor and logic unit 260, CDMA RF modem Transmitting the directional coupler 2 (290) to the external antenna via the SMS in the form of an SMS through the (280), and transmits (link) to the NMS network of the operator, when applying the present invention in the form as described above Regardless of the type or shape, it is possible to grasp and control the normal operation status of the target relay device, the subscriber connection status, and the output status from a remote location.

As a result, the present invention achieves an intelligent repeater which is superior to the technology combining the functions of the existing repeater shown in FIG. 1 and the conventional configuration diagram of CDMA signal detection shown in FIG. As shown in FIG. 2, the present invention is extremely low cost, whereas the RF QPSK demodulator, PN code synchronizer, high speed signal processor, and CDMA, PCS, etc. must be analyzed. By using the characteristics of a simple super regenerative receiver (SRR), it is possible to determine whether or not PN noise of a QDMA modulated 1.2288Mchips / sec CDMA signal, PN noise density detection, and PN noise level detection are performed by using an external NMS module signal detector. It is applied to contribute to the minimum required intelligence in the network management of the existing repeaters.

8 to 12 are reference diagrams outputted when the present invention is applied, and FIG. 8 is a reference diagram of the result when applied to no signal, and FIG. 9 is a modulated signal input. Fig. 10 is a reference diagram of the results shown when applied to the CDMA signal, Fig. 10 is a reference diagram of the results shown when the CDMA signal is input, and Fig. 11 is a reference diagram of the results shown when applied at a 10dB level up. Shows the reference value of the result that is applied when the rate is changed.

As described above, the present invention provides a function of simply repeating the forward and reverse micro-signals of the existing repeater and the gain of the repeater instantaneously according to the presence or absence of the user and the propagation environment within the coverage of the repeater. Alternatively, the output can be judged and controlled by itself without external control, and applied to a multi-carrier and operator integrated relay device to enable the identification of the access status of subscribers by FA and operators and the efficient RF POWER distribution by FA and operators. It has the effect of providing basic detailed information related to the frequency of connection by FA and operator for each network management dimension of each operator, and the simple operation without the direct interface with various existing repeater internal circuits. Output status, connection frequency and connection of RF, RF power Increasing the intelligence of repeaters that are rapidly evolving due to the effect of delivering the detailed information necessary for network management, such as the number, to the operator's network management NMS, enabling information transmission and control at the entire network management level, including unclear and impossible relays. It is obvious that the invention is a very useful invention that can simultaneously achieve various effects such as the effect of quickly coping with the communication technology, maximizing reliability and satisfaction in use.

Claims (8)

delete CDMA signal detection apparatus for a wireless communication repeater comprising a super-reproducing receiver having a stable and wideband characteristic for detecting a modulated CDMA signal and a CDMA baseband signal processor for detecting the code density and power level of the detected CDMA signal. To The CDMA baseband signal processor 300 obtains a flat demodulation characteristic at a wide bandwidth while replacing the unstable signals generated by the L and C elements of the self-quenching device 100 formed inside the super reproduction receiver 100. The SAW filter 110 is added to stabilize the center frequency (fo) and the bandwidth to be applied, and the sample signal generated by the external sample signal generator 200 is injected to generate a stable self-quench signal. SRR, which is stable and satisfies broadband characteristics, A detector 120 formed as a rectifier for direct current (DC) the CDMA noise signal output from the super playback receiver 100 of the super playback receiver SRR, and; An amplifier 130 for properly amplifying the microsignal output through the detector 120; Comparators 150 for comparing the signal amplified by the amplifier 130 with the optimal reception level value of the SRR set through the fast up slow down circuit unit 140. By forming The gain controller 90 is controlled due to the difference of the comparison value output by the comparator 150, and the super regenerative receiver SRR is kept in an optimal operating state at all times, and the input of the super regenerative receiver SRR is a repeater. In case of the first stage, the total output status of the connected terminals is monitored, and if the input of the super regenerative receiver (SRR) is an output terminal of the repeater, the AGC control signal for monitoring the output status of the repeater is generated. CDMA signal detection device of a repeater for wireless communication. The method of claim 2, In the saturator 160 and the saturator 160 to insensitive to the input level variation of the detected CDMA noise (pseudo noise) signal output from the super reproduction receiver 100 of the super reproduction receiver (SRR) A repeater output is turned on / off by a level slicer 170 for converting an output signal into a noise pulse stream and a signal output through the level slicer 170. It is formed of a long mono stable multivibrator (180) for the output of the repeater for the presence or absence of the user currently connected to the base station (BTS) through the repeater (on / off) off) CDMA signal detection device of a repeater for wireless communication, characterized in that it is generated to generate a signal. The method of claim 3, wherein Short mono stable multivibrator 190 for obtaining a signal converted into a noise pulse stream by the level slicer 170 as a normalized noise pulse stream. ), An integrator 210 for converting a signal through the short mono stubble multivibrator 190 into direct current (DC) conversion, an amplifier 220 for properly amplifying a fine signal through the integrator 210, The gain and maximum ALC level of the repeater are formed by forming a fast up slow down circuit 230 for outputting an amplified signal output from the amplifier 220 to a peak noise pulse density. CDMA signal detection apparatus for a repeater for wireless communication, characterized in that the output is controlled to control the level. The method according to any one of claims 2 to 4, The above configuration unit is a CDMA signal detection apparatus of a repeater for wireless communication, characterized in that the same result can be obtained by using a counter (timer) and a timer (timer) formed in the micro-processor (micro-processor). The method of claim 2, The center frequency of the SRR is fixed to an appropriate IF band and then formed of a MIXER unit 240, a PLL unit 250, a microprocessor and a logic unit 260. CDMA signal detection device of a repeater for wireless communication, characterized in that it is made to correspond to the operator-integrated repeater. The method of claim 6, The PLL unit 250 is formed of two VCO1 251 and VCO2 252, and two kinds of outputs of the VCOs 251 and 252 are provided through the SPDT switch 253 at appropriate time division intervals. 240 to provide fast in-band sweep and FA-specific detection and confirmation as the super-renewable receiver (SRR), and the VCO2 252 is driven by a microprocessor and logic unit 260. A free running sweep is performed under the control of A 254, and the VCO1 251 is controlled by the microprocessor and logic unit 260 for accurate detection and monitoring confirmation. Locks to a corresponding FA channel in each assigned time slot by the controller, and controls the SPDT switch 253 in the microprocessor and logic unit 260 according to the time slot conditions. Full time slot to adapt to radio conditions and user fluctuations CDMA signal detection apparatus of the radio communication repeater, characterized in that made to vary. The method of claim 2, It provides the super regenerative receiver (SRR) to apply a CDMA RF signal through the directional coupler 1 (Directional coupler, 270), and the control and the output signal by the microprocessor and logic unit 260 Receives the detected data generated by the microprocessor and the logic unit 260 using a CDMA RF modem or other RF data link 280 using a conventional coupler (Directional coupler, 290) CDMA signal detection apparatus of a repeater for wireless communication, characterized in that the transfer to the external antenna (Antenna) to be combined with the output to transmit the relay-related information to the operator NMS network.