Radio communication equipment using single frequency and method thereof

For single method and a wireless communication device

In turn to realize the communication between remote distance wireless receiver transmitter suggested two wireless communication respectively, and paved the single mode and dual mode. The single mode is so-called key voice manner, comprising completes the communication between wireless receiver transmitter is a single channel of configuration. The single mode and call for suppressing of talks over the alternating completion of. The dual mode completes the further call between wireless receiver transmitters by two corresponding frequencies' channels.

Although the invention with a wireless communication system, associated the system is an inverted in the alarm and call between wireless receiver transmitter and a single channel with the single mode same. Special, the invention and a time division duplex radiocommunication apparatus and method, and device and method for concurrent processing alarm in call, wherein a compresses the voice signal and differentiates a two-way voice signal path is a single wireless receiver transmitters in time shaft in time of gravity of the dual-view call.

Ringing system between the time division duplex wireless receiver transmitter is called single pulse transmitting/receiving system. The system, when part wireless transceiver starting with the motor call, the wireless transceiver the used called platform. When the call and output end of sub-synchronous signal (is called A synchronous signal and) of the voice signal of the compression.

The dual-view wireless transceiver (of called single) and a stemming the response of the synchronous A signal, single mode in a contact and a lower dual mode. At the time in a wireless transceiver and dual mode and proceed-to-transmit signal; the transceiver is called detection device. The detection according to call automatic target platform. When the detection the starting to send of the signal, which is called of called platform.

The is called and working to call and output end of the sub-synchronous signal (is called synchronous signal B) in addition is a simultaneous connection with the voice signal of the compression. The B synchronous signal is in form of A synchronous signal frame timing synchronization signal generation method.

The dual-view operation circuit in time division duplex wireless transceiver for transmitting of the digital 4 the detailed description. Shown and a digital 4, providing wireless transceiver A and B. Wireless transceiver comprises A time compressing circuit A1, transmitting circuit A2, A3 switch, receiving circuit A4, and expandable A5. , Wireless transceiver AND a time compressing circuit B1 similar, transmitting circuit B2, a switch B3, receiving circuit B4, and time flexible circuit B5. The time shaft of the shown the digital 5, wherein in series, signal to the voice signal in each cycle (cycle) is t1 and B1 division multiplexing and compressing circuit A1. The voice signal is compressed of between t1 to compare t1/2 is short between and. The is between the signal is a pulse signal according shown and a digital 5 (c 41).

The pulse signal and B2 and function of switch A3 and B3 a transmission circuit A2 transmitting of every between t1 is a wireless transceiver and transceiver. Between t1 transmit the circulation between (42 t2<t1/2) used by the signal receiving cycle other transceiver by a.

Each cycle t1, substantive of two-way transmitting/receiving, wherein the pseudo duplex operation is completed by a single f1 carrier frequency signal.

The system, and when shown the digital transmission 6 pulse signal 41:00, which uses a that is compressed between and voice signal comprises a sub-synchronous signal of the synchronous blade frame and a synchronous, wherein of the voice signal cover. The conducting of the frame (is one-fifth of code) with function of modem completes through MSK.

And, a synchronous signal AND is a form of a synchronous signal A frame timing synchronization signal obtaining mode. Synchronous such A or the B signal usually is a Bit synchronous signal and a frame timing synchronization signal substrate, and is a MSK- the subcarrier.

Bit synchronous signal is signal of redundancy 1 and 0 composed of multiple to dozens. For demodulating when the MSK signal obtaining of synchronization. The frame timing synchronization signal composed of multiple power ratio bit special for random codes. For determining timing or compression voice signal when expansion timing.

When the wireless transceiver is in the receiving cycle; the transceiver and is a pulse signal back receiving circuit A4 and receiving B4 comprises a synchronous signal, wherein a out a synchronous signal compression voice signal. Shown and a digital 5 (d), wherein when the circuit A5 or B5 and is compressed to the signal end of between t2 to regenerate the original testing number information in series to t1.

The invention claims a function of synchronization signal is as follows. The function is divided into two steps point sketchily: (1) And the head of voice identification signal is a flat regenerating voice signal main -, a (2)/receiving motion switch and transmission between a wireless receiver transmitters obtaining key synchronization.

Alloy, invention of the aim at the leads an hour for time compression or expands. For example, a between an t1 is 375 milliseconds, and compression ratio t2/t1 is 1/2.2. Wherein supposition compression factor does 1/2 to form a gap time. The synchronous signal, namely for time for starting transmission circuit flowing capacity, and is a switching time assigns of the insulating the gap time by the switch transmission of a switch and a receiving groove. Between the t1, specifically talk-back are 187.5 milliseconds of assigned is a cycle transmission, the other half of assigned for receiving cycle.

Therefore, wherein a system composed of a a time division duplex wireless transceiver to make the call array or a called platform is half cycle ohm and corresponding revolving body and sub-synchronous for sending and receiving of signal and voice signal. Therefore, obviously and shown the digital 6, wherein the sub-synchronous signal is long; and assigns to the voice signal in the reducing. A for sending the voice signal is electrically connected with the voice signal to determine the high power-factor and short dipole, wherein of the audio quality.

Shown and a digital 3, wherein wireless transceiver and A wireless transceiver AND is more talking the telephone, the wireless transceiver C possibly needed with wireless transceiver A or the B call. The ACK/NAK, wireless transceiver C flowing at communication channel between wireless transceiver A and B. Service at conversation is implemented the common telephone service sunward calls, a intercepts a telephone. The service; when users With THE user calling with third user C is fixed to A user, wherein with the staccato is contacted with the user A mobile phone. User in A hears the staccato, sides soon in contact with the conversation of THE user to the conversation of user SWITCH.

The wireless communication, comprising an acoustic transmission radio wave field strength wireless transceiver, and all are mutually or) via the communication with the wireless transceiver to get the advantage. Therefore, increases the field strength (transmission strength) at the call. Shown and a digital 3, having a wireless transceiver (C of called to at and) is at call between A and B; the transceiver C flowing transmitting field strength strong radio wave, namely, the call and A (or a called and B) for transmitting timing transmitting the than the subscriber station (or a called) and a transmission intensity stronger radio wave.

The, prolonging transmission strength is limited. Additionally, prolonging transmission strength without sum of ensuring consistency between datum and stronger field strength and methods are 10cm longer. In addition, which platform of transmission strength capacity is talked interference in the telephone. Therefore, prolonging transmission strength is insufficient ensuring consistency between datum to the interrupter to talk over telephone, wherein the defect.

And others the time division duplex wireless transceiver of the claims a obtained of the patent the February, 1996) Suzuki, the number patent 5493698.

Is an interrupter to talk over telephone in time division duplex; the project's inventor with hinging the following research.

In time division duplex wireless communication signal, for receiving stop's cycle can be installed in the circulation t1 for random. The; and signal of stop's receiving cycle is fixed with a claim subtract compression voice signal cycle 41 and receiving the circulation. The same and then the compression ratio. Enhanced of compression ratio of the insignificance, wherein comprising a reducing the sound quality.

In turn to prevent reduction of sound quality, and is arranged in said voice signal transmission cycle is mounted on the signal of said synchronous signal in a cycle. No sends to reduce for ensuring consistency between datum of the press; the time division duplex system and sound quality of the first fixed with the prevent so that the operation error to fix the frame timing synchronization signal mode when wherein the noise sub-synchronous signal and lower is 31 bits reducer is a small value, for example, 16 bits.

The inventors and people's test indicated of a frame timing synchronization signal comprises 16 bits; the utility movement of the noise creates of every 60 seconds presents a time. , Wherein although is not to provide call table, noise is a single platform is a detection device.

When in turn to prevent the unfavorable condition, for example, can determine wherein two and sub-synchronous signal single converting station into the detection. In addition, the predetermined duplex holding the time is not received the following sub-synchronous signal, which is detection and quick-recovery for single platform. The capable of reducing error matrix movement for producing to each 45 days the time.

For of Bulgarian at the circulation method may hole is the reduced voice transmission cycle and any other method of reduced synchronous signal Piece. Mitigation of transmission cycle of create the voice signal variable. Bits's reducer to create a movement error.

The present invention is goals to provide a using the single method and wireless communication device, the device capable of reducing the connection of will not create interference to a calling in any time execution-interruption call.

The handle is invention, a time division duplex wireless communication device and is divided sequence a voice signal in the preset cycle, compresses the voice signal in time the preset cycle, the cross sub-synchronous signal when the compression voice signal and generating a command signal, a initializing the circulation by a command signal, a initializing the signal cycle of a cycle from the comprising a compression voice signal sending signal, and when the compression voice signal according to the signal cycle in the receiving sub-synchronous signal to a on the extending to regenerate the original testing number information. The movement, the wireless diplex operation device and alarm via a single carrier frequency with one coloured at the same time communication.

On the other side the invention is; a time division duplex wireless device comprises a unit, when compressing the voice signal switch of replacing the predetermined circulation sub-synchronous signal at grant signal, the unit, a receiving when coming from the interrupter grant signal in a command signal and forbids the sub-synchronous signal extension arm and second transmission a cycle to compressing the voice signal, the unit, a receiving including a coming from the interrupter grant signal in a command signal; the period of scheduled time, generating a closing request signals and is connected to the position, and a unit, andTo coming from the response of the signal of said that a symbol having at the fixture.

On the other side the invention is; the time division duplex wireless communication method with a sequence voice signal is a pre-determined gap, compresses the time the predetermined cycle's voice signal, to generate a command signal and compression voice signal overlapped on the sub-synchronous signal, and a sending a command signal in a transmission cycle of predetermined cycle, wherein in the receiving cycle of predetermined cycle received from the comprising a compression voice signal sending signal, and sub-synchronous signal to a on the extending to regenerate the original signal in the compression voice signal in the receiving a cycle receiving and time. A method of between two wireless communication device possibly to achieve substantially at the same time communication through a single carrier frequency input.

On the other side the invention is; the time division duplex wireless communication method comprises the following steps: Switch an interrupter grant signal to substitute the synchronous signal in predetermined cycle to the compression voice signal in a call wireless communication device; And the interrupter grant signal is in of called signal in a wireless communication device for calling from device, and is longer compression voice signal overtime sub-synchronous signal in the second transmission cycle, wherein with sub-synchronous signal cycle corresponding and receiving cycle application. A signal receiving for fixing the period of scheduled time of call device, generating a closing request signal and a vibrator and each receiving cycle of called device, transmitting and receiving response of the closing request signal in call and called device and indication connected at occurrence.

The target further and function of this invention is with a gasket the shape of description embodiment is a transparent.

Digital 1 is a evidence invention embodiment time division duplex wireless communication apparatus, diagramDigital 2) is description according to the invention embodiment the movement of apparatus, and a timing is; Digital 3) is instructional diagram of call at the invention uses; Digital 4) is divided in the dual-view wireless communication device end of the call schematic drawing principle of the time; Digital 5) is divided in the dual-view wireless communication device end of the call in the time timing is; Digital 6) is distributed is divided the dual-view wireless communication device to generate the signal at the time timing is.

The is fixed to the charts specifically to a time division duplex communication apparatus according to the embodiment exhaustively.

Digital 1 is a evidence invention embodiment time division duplex wireless communication equipment diagram. Digital 3, as to call and A, the is called and B and interrupts array SWITCH, solution with the is provided with a shown the digital 1. The digital 1 unit a microphone, wherein the output received the amplifier 2. Amplifier and 2 and a scrambler 3 and analogue switch 4.

scrambler 3 output access time compressions/expansion unit 7. The time compression/expansion unit 7 with the CA, is 8 and differentiating circuit for 9 IDC through the band-pass filter (directly displacement control circuit( 6). Analogue switch 4 and 5 and a differentiating through the circuit IDC circuit.

Time compression/expansion unit 7 a data output DA connected signal generating device 10 parallel input ends. Time compression/expansion unit 7) is a ST end of the simultaneous delivery aligned a signal, which is connected with the MSK modulator 11) is an input end of the synchronous signal aligned with. The signal generating device 10 and a serial is connected with the MSK modulator 11 input end. The output of MSK modulator with the IDC circuit (6). The IDS circuit (6) junctions the radiofrequency transmitting unit (12) is the input end of the frequency modulating signal and a.

The radiofrequency transmission unit 12 13 number of the radiofrequency cable to the antenna; at the same time the antenna is further connected with a radiofrequency receiving unit 14 input end. The radiofrequency receiving unit 14 to the capacitance 15, MSK demodulator 16 and filter-high is 17 output frequency-modulated signals. In addition, the radiofrequency receiving unit to 14 times compression/expansion unit 7 and device for compressing the squelch signal and is an input end claims 18 squelch the signal and is the input end purified output signal of providing.

The capacitance 15 and 19 add to time compression through the integrated - circuit/expansion unit (7) compression a signal input end C and methods. Time compression/expansion unit is a mental signal output end EX, comprising 20 and analogue switch 21 receiving on the cooling scrambler the low-frequency amplifier 22 input ends.

The MSK demodulator 16 and receiving the first frame synchronous detector (23) is a synchronous signal A SWITCH, a second frame synchronous detector (24) is a synchronous signal AND SB, the third frame synchronous detector (25) is an interrupter grant synchronous signal SC, and fourth frame synchronous detector 26) and detection request signal SD. The frame synchronous detector 23 to 26 at for synchronizing signal to SWITCH and AN input end TA, TB, TC and TD is a switch are arranged in said/expansion unit 7 provisions.

23 To 26) is composed of a serial and parallel conversion shift register and a comparator first to the fourth detector. The transfer register's serial input end is MSK demodulator 16 output. Positive input end is a transfer register's N-layer Bit mode input end and a N-layer 8-phase parallel output. Comparator's end and output end of the frame timing synchronization signal each frame synchronous currency detection.

Synchronous frame type lead for the input end. The frame synchronous detector 23 to 26) is provided with a second frame synchronous mode coloured with the same structure and. When a N-layer Bit signal (data) is overlapped and closed the input end of comparator's; and N-layer Bit signal of the lead frame synchronous mode, the positive output “1”, and without having; and positive output “0”.

The shift register corresponding to the time of a clock signal of MSK demodulator 16 regenerating. The limiting groove with corresponding to the MSK demodulator 16 demodulation wherein a serial add to the shift register.

The N-layer 8-phase parallel output of the shift register according to corresponding to the clock signal of the MSK demodulator 16 is regenerated, and along with the direct-current exchange. Installed in the output of shift register and adding to the N-layer Bit mode on comparer are the same; the positive output “1”. Indicated detector detecting to corresponding to the synchronous signal.

At permitted for synchronizing signal (of called at grant signal SC) and closing request signal (of called and request signal) is the invention of. A synchronous signal SWITCH and THE synchronous signal SB and shown the digital 2 the time division duplex the synchronous signal is the same. A fixed in the signal details.

The filter-high is 17 and 28 add to the low-frequency amplifier with analogue switch (22). The low-frequency amplifier 22 and 29 and receiving amplifier 30 add connected to the electronic volume the mobile phone. At the same time, the output is 32 and horn amplifier 33 overlapped to the loudspeaker through the electronic (34).

Time compression/expansion unit 7 a sending/receiving conversion output SW to the high-frequency transmission device 12 and frequency receiving unit 14 transmission/receiving a conversion input end TXON and RXON.

And, a control unit (18) connected to said/expansion unit (7). The control unit 18/expansion unit (7) and control signal to the compression, such as sending/receiving switch signal and call/are called single/mode switch signal. Time compression/expansion unit 7 output frame synchronous detecting signals, the purified the signal, and to the control signal modulated signals.

The control unit (18) is connected with the duplexer 35 and PTT (key voice) of the switch 36 output. The control unit 18 a alarming is connected with the low-frequency amplifier 22 input ends.

The first time to down is a single mode wireless transceiver 35:00 the duplexer; the machine for converting the dual mode. In long and wireless transceiver an dual mode, otherwise when the duplexer is 35 to a a voice in each time for monitoring manner or.

To the embodiment example's wireless transceiver, except for providing the third frame timing synchronization signal for detecting at grant synchronous signal SC 25), and fourth frame timing synchronization signal for detecting and request signal SD 26), and end of the controller is a, and 18 and control unit outer part of the time compression expansion unit further seven, wherein hardware device with the patent, the same time division duplex wireless transceiver the number 5,493,698). Therefore, wherein an is separated from the original emitter to the wireless transceiver each element detailed description.

The, invention of the aim at the operation of the embodiment.

First; the single wireless transceiver operation of the embodiment is as follows. The operation with the patent, 5,493,698 of the operation of invention is the same.

Wherein the filtering of the FM- demodulation output of listen to noise by filter-high by the high-frequency receiving unit 14 FM- demodulation output 27 and analogue switch 28 add to the low-frequency amplifier through the integrated - circuit (22). The low-frequency amplifier 22 and 29 and receiving amplifier 30 add to the through the electronic (31) at and 32 and 33 amplifier through the electronic volume add to the loudspeaker 34).

When the control unit 18 slots for wants to output the voice, a assorted to act according to the predetermined operation and a mobile 31 or the loudspeaker 34. Is received the control unit 18 delays time and frequency receiving unit outputs' 14 purified signal SQ and is for controlling the analogue switch 28.

The pressing switch PTT 36:00 switch, a control unit 18 operation time compressions/expansion unit 7, wherein the is a single transmitting mode 36) is loosened is the PTT switch. Transmission/the output of the conversion output SW with a command signal. In addition, the high-frequency transmission unit 12) of the transmission mode from the periphery of.

At the same time, the compression/expansion unit 7 operations to limit the output of the voice signal control unit 18 4 maintain the analogue switch is a clearing and. The operation wherein the amplifier 2 output overlapped to the IDC circuit directly 6) and 12 of the high-frequency transmission unit output end.

Therefore, at the time the operation of the wireless transceiver is similar to a common PTT system and single otherwise, wherein a on the PTT switch 36 and transmission mode to transfer receiving state or.

Adhesive, invention how the aim at the wireless transceiver as calls table end of the workbench.

A command to the wireless transceiver to the call manner, wherein the operation mode, in which the wireless transceiver and call and A work, is not a to the call in a condition in platform press of the duplexer is A table according to the preset 35 state.

Therefore, the other called A platform is arranged on the synchronous A signal and at grant of the signal sending-ins.

By the synchronous signal processing to explain as follows. The signals are in time compression/expansion unit (7) at and a control unit 18 monitorings. When pressing and duplexer 35:00, wherein the received the sub-synchronous signal; the control unit 18 the operation for time compression/expansion unit 7 to flow calling method and extension wherein the plugged transmission mode.

. I.e, the compression/expansion unit for 7 to the working position to the signal of/receiving switch is SW method to the into a command signal, the starting high-frequency transmission unit 12, the output comprises Bit synchronous signal A synchronous signal SWITCH mode to data output DA, shift register of for storing the signal generating device 10 provisions, and switch MSK modulator 11 to output simultaneous aligned transmission signal ST. And a results to the responses for activating signal, the signal generating device for executing the working A synchronous signal SWITCH with an adjusting 6) through the circuit IDC overlapped to the high-frequency transmission unit (12) and 13 of the antenna is emitted out of shown the digital (2) and a.

Comprising a A synchronous signal light time, and/expansion unit 7 fixing the output signal. The, wherein the compresses voice signal to form the output of said signal output end of the CA. The compression signal is a band-pass filter 8, differentiating circuit 9, IDC circuit 6 add to the high-frequency transmission unit (12). The compression voice signal and shown the digital 2 (a) and antenna 13 output end.

When the compression unit of signal to an is 375 milliseconds between the t1, wherein the work and 187.5 milliseconds long time terminations, time compression/expansion unit 7 is in a position/receiving conversion output SW of signal extension received signal to limit the high-frequency transmission unit 12 working. Finally, used from the transmission cycle to the second 187.5 milliseconds receiving and cycles.

Adhesive; when follows the transmission cycle next 187.5 milliseconds receiving cycles in any, only and control unit 18 of the transmitting transfer mode the receiving groove, time compression/expansion unit 7 is in a position/receiving change-over switch is SW of signal extension the signal, a high-frequency transmission unit (12) with an effect, and is a sending mode, and Bit time synchronization signal mode and A synchronous signal SWITCH is the output of data output. Back of the cover the transmitting and receiving portion of the is 375 milliseconds cycles duplicates each.

The embodiment, and shown the digital 2 (a); and each transmission time synchronization signal A SWITCH achieves the scheduled time, the compression/expansion unit 7 and control unit is 18 to enable is provided with A synchronous signal SWITCH mode at different grant signal SC live A synchronous signal SWITCH to form the output of data output DA.

The interrupter grant SC signal transmission time Structural Number is made of. For example, comprising transmission time Structural Number designated the following; valueThe second 0.75, 1.5 seconds, seconds 3, 6 seconds, seconds 12, 24 seconds and 48 seconds. Usually, or equal to the 2t1×2n (n is a or a positive integer). .

A thinks for transmitting at the grant signal SC sampling frequency. A above; when for between t1 accurately is 375 milliseconds, a transmission time section second 0.75, 1.5 seconds, seconds 3, 6 seconds, seconds 12, 24 and seconds 48 seconds are corresponding on two cycles the time, which cycles the time, small cycles the time, 16 cycles the time, 32 cycles the time, and 64 between the time.

The embodiment, time compression/expansion cell unit is the preset and receiving cycle timing (of called timing window OF), a neglected of from THE synchronous signal of the second frame synchronous detector 24 and. The misoperation of the is a full noise cancellation create.

For example, timing the window and shown the digital 2 on A synchronous signal time OF the mounting time of scheduled time (D of receiving) cycle in the gap. Efficient is a synchronous signal B of the timing receiving window. The management of the timing window (is not shown) computing time to achieve by a timing circuit.

And a time, and/expansion unit is 7 to coming at the time of called and B and system for sampling a compression voice signal for integrating circuit is output. Rigid to the attaching explain of a interrupts the grant signal of interrupting DEPENDENT station receives, there is a synchronous signal B) is called and B to send a. A non-synchronization signal output B, and called platform sending-in sampling of voice signal to the starting timing the window OF body (W/2).

For receiving the voice signal, time compression/expansion unit 7 pairs end is sample and the voice signal and a signal cycle of the high-frequency receiving unit 14 supplies' and a signal.

/Audio signals of expansion unit 7 expansions is 20 add to the analogue switch is extended signal output end EX through the solution scrambler time of a compression 21).

A signal is lag's is in carrier. Therefore, the compression/expansion unit 7 operations with the time delay the mute signal delay of a signal, wherein a created is a mental time of signal compensation. Connection, and a signal output control unit 18.

A frame synchronous detector 26) from interrupting automatic closing request signal to generate wherein the timing with a synchronous signal AND equally of timing the management of window OF. The lead and further of the misoperation for noise creates.

The called time of compression and A/expansion unit 7 received the closing request signal; ONE from stemming the SD signal modulated wherein control unit 18 to a low-frequency amplifier 22 measurement preset voice signal AH, wherein at least a mobile 31 and 34 to output to indicate of a loudspeaker with the alarming of interrupter request. And a plurality of AN signal; the control unit 18 capable to control the call and A back period of scheduled time to limit the transmission mechanism and terminates the call forcefully.

Follows closely during call and A top at grant synchronous signal receiving SC cycle R of call and The, and shown the digital 2 (b) is called platform AND not to send a synchronous signal AND. The call and A received at grant synchronous signal SC period of scheduled time, interrupts platform position and request signal SD. A digital 2 obviously, wherein the signal, AN called and A and is called and B is in the receiving groove. A calling from a reception signals of AN terminates later to send wherein said voice signal. The timing by control unit 18 control. At the time of stopping hole request signal SD with a called platform AND a dashing of said voice signal. Process of called platform AND without send a synchronous signal B, calls block and detection) can not receiving to carrier. Moreover, a compressing a signal a time compensation to make the silencing circuit breaking, therefore and output noise.

In turn to prevent the noise, a secondary compression of the embodiment/expansion unit 7) and following device. Follows closely during call and output end for receiving the cycle at grant synchronous signal, SC called block and detection the output end of the signal so the expansion a signal holding the transmission an time delay the connection (is closed of noise); the waiting time of which the compensation of time of compression a signal and a signal.

, A control unit 18 core from a response of extending a signal time compression/expansion unit is 7 and fed, a analogue switch 21 opening and closing end of the mute working.

Finally, wherein the embodiment, wherein the call defined with a sound interference. The; the interference ends of the voice of ignore, and not to counteracting standard a power function.

21 And a voice signal amplifier of 22 line are presented the volume of the analogue switch 29 and 32. The control unit 18 makes the electronic (29) through the voice signal of the mobile phone 31 hear to receiving. On the other side, to prevent to whistle and an echo; the control unit 18 wherein the electronic (32) through the loudspeaker to 34 and a voice signal, wherein the loudspeaker 34 output voice layer is greater than the mobile 31 output. The, and an echo annihilator not requirement function.

The, invention of the aim at the detection method, the wireless transceiver and detection device. The detection method and represents wireless transceiver is filled on the transmission, which is received from the signal other wireless transceiver module receives the.

The wireless transceiver according shown the digital 3 in only the wireless transceiver used called array or a called and working containing stretches to the detection and method. In turn to prevent from the misoperation for noise is a, according to the device of the embodiment of making is fixed on the same synchronous signal later vertical to the wireless transceiver stretches to the detection method and twice.

When the expanded in the receiving the timing signal so the timing window, wherein the four frame timing synchronization signal closed in wireless transceiver C 23 to 26 is a detection to the wireless transceiver came the sub-synchronous signal.

The sub-synchronous signal is A synchronous signal SWITCH with interrupting in of grant synchronous signal, SC the same A synchronous signal SWITCH or at same grant synchronous signal SC once more continuously from, wherein the compression/expansion unit 7 to soon call existence of platform transmitting to the control unit 18, wherein the separating 18 times compression/expansion unit to the input of called and non-transmit mode, namely the detection method.

When the sub-synchronous signal for synchronous THE signal in a condition SB and closing request signals, AN is the same as the ACK/NAK, wherein when the same signal once the continuous, time compression/expansion unit 7 and a into the detection method.

The once wireless transceiver and detection the groove; the control unit 18 slots for the predetermined duplex holding the time is not received the synchronous signal, time compression/expansion unit is a single mode.

Therefore, the lower groove; the wireless transceiver and receiving with a call and other one is shouted call between table, namely maintaining wherein the detection method.

Alloy, invention how the aim at wireless transceiver as a called and working.

Calling block and a called platform is a compression voice signal and sampling and extending of compression a signal; and rear invention. The metal for call platform with a called platform with a false duplex system.

The treats and a detection station's wireless receiver transmitter's duplexer 35) are pressed down, and shown the digital 2 (b), wherein the control unit 18 times compression/expansion unit 7 to transfer from the reception of A synchronous signal call and A method of called party.

Calling subscriber-like working, namely and a called and B the operation of wireless transceiver to substantially call and is used, namely call working method for operation of wireless transceiver is the same. Calling subscriber-like working is differs from the following surface and call manner. Time wherein said/control of expansion unit and control unit, obviously and shown the digital 2 (b) are, a transmission cycle's first timing after is THE synchronous signal SB, and a called and A interrupter grant synchronous signal SC, wherein hereafter transmission cycle, stopping the transmission of THE synchronous signal SB.

, Wherein after receiving at grant signal, SC time compression/expansion unit 7 of generating longer THE synchronous signal SB, which is slightly late timing then starting to output the compression voice signal in the receiving of closing request signal SD, so to send the voice signal to an interrupting and closing sending-in request signal SD dashes.

Therefore, based on the embodiment, and is a wireless transceiver to call table, and wireless transceiver and is a called table, is carried out with the call and dual-view call.

Performing of according to, and shown the digital 2 (a), an interrupter permitted of signal SC is a subscriber station A output end of the preset frequency. The according stemming a receiving the response of interrupter grant synchronous signal SC, and shown the digital 2 (b), the operation to limit the called block AND the first synchronous signal AND SB in transmission wherein a cycle. The time synchronization of THE consumption of signal, and called and A called is platform AND is fixed to the received from said from at the other wireless transceiver.

Alloy, invention how the aim at wireless transceiver and shown the digital 3 the used to at table end of the workbench.

Shown and a digital 3, wherein detection C of member is call and receiving A synchronous signal or A and B of called platform existence of THE. When a user in time), and shown the digital 2 (c), pressing and detection) and at switch of 35:00 duplexer, a called and A at the time and is called and B on the groove; and control unit 18 of the moment used by the detection) via at the table type. The control unit (18) and short, at table type of wherein at the time control unit 18 three-position.

A interrupting the table type, a high-breaking grant synchronous signal SC is called and A third frame synchronous detector 25 to rope the appointed time, the signal SC is fixed on the dipole compression/expansion unit is 7 to added interrupts and C control unit (18). , A control unit (18) requirement time compression/expansion unit 7 transmission and request signal SD.

Stemming from transmitting the response of the closing request signals, AN time compression/expansion unit 7 starting the high-frequency transmission unit in transmission AND synchronous signal SB is time interval 12, wherein a called and said command signal AND and lower delay compression voice signal time intervals the output comprises Bit synchronous signal and request signal to AN data output DA. The closing request signal SD saving a shift register of the signal generating device comprises 10. At the same time, the compression/expansion unit and 7 simultaneous delivery aligned ST signal to the MSK dimmer.

Finally, signal generating device and starting to work 6, wherein the output high-frequency transmission device with MSK modulation's and request signal ONE by IDC 12 circuit. A called of the movable time interval of the B transmission AND synchronous signal and accounts, the closing request signal 13 output end of the antenna.

Above; when the power transmission end of the signal, time compression/output end of the limiting 7 signal and AN is started/receiving conversion output SW received signal to limit the high-frequency transmission unit 12 of the transmission.

Is a carrier communication a dual mode call and A and is called and B, and receiving and request signal, lights with an interrupter of request at least 31 and 34 to output a speaker of the mobile phone. , Wherein called platform and is called platform is connected truly to know of an interrupter request other wireless transceiver came, and when assorted and then connected at the table end of the call.

Therefore, the embodiment, substrate-processing based on which is called time interval for absorbing THE synchronous signal AND SB and as at the request signal cycle. No need to strengthen interrupts and C transmission electric-field intensity, calling and A to tolerate touching detecting to truly and knows at the request and a request signal ONE of interrupting and C sent in existence.

Alloy, invention how the aim at calls and A and is called platform AND when at the call end of the workbench.

Call and A of the manner of the wireless transceiver and a called and B; the user by an knew at. The user quickly ended the current conversation and fixing transfer of called and B or call and A and a called and B signal in order to at and C to send wherein the voice signal.

A are installed called THE limiting substrate-processing interrupts, and C as a called table end of the metal hood, wherein a subscriber station A talks over telephone. A called and A and is called and B to stop device, manner and C to call working platform is used, wherein a and B of any of A realizes the call.

When the transmission at grant synchronous signal and closing request signal, comprising impossible to obtain for original sub-synchronous signal according to the distance between the voice signal and lower. When it obtaining the original sub-synchronous signal frequency of multiple layer or a lower; when between the voice signal wires according to the first to the timing and end of the sub-synchronous signal and a. Therefore, service the windshield is provided with any problem.

To one embodiment of the invents, user no need is made of call and other wireless transceiver interrupts or a called and fixing substrate-processing. Capable of the control unit 18 to core guide jointing starting a preset timer to the responses for informing, wherein a transmission of the preset time later automatic ring.

The, invention how the aim at interrupts and C end of the workbench.

And the upper, a transmission signal of said interrupts, and C connected to the detection device of automatically. A user interrupting in C and is in the detection) via press of the duplexer 35, interrupts and C is made of call array or a called platform.

To the diaphragm In one embodiment, the control unit 18 capable of controlling bulge platform which makes the detecting the transmission signal of said to the back of the transmission connection with a to a calling array or a called platform.

To the diaphragm In one embodiment, the control unit 18 capable of controlling bulge platform for; and stopping interrupting and associated with the transmission signal of said is not pressed down the duplexer from the transmission 35, wherein at platform with the detection, when work and from the transmission limiting, wherein at platform transfer of called platform and starting substrate-processing automatic in turn to plugged on call and a contact.

A called block and a called platform fixing device; the control unit 18 capable of controlling bulge platform causing a transfer calls platform and automatic to the sending set is plugged and one is the contact.

To the invention, the is at unusually and occurred accurately, it has no need to increase the transmission intensity. Therefore, the invention claims a featured in time division duplex communication device, comprising a ensuring consistency between datum of unusually and interrupts the voice chip to any bring interference to the voice according to the support accurately.