WO2007126240A1

WO2007126240A1 - Complex wireless communication system

Info

Publication number: WO2007126240A1
Application number: PCT/KR2007/002012
Authority: WO
Inventors: Jung Sun Kim
Original assignee: Jung Sun Kim
Priority date: 2006-04-27
Filing date: 2007-04-25
Publication date: 2007-11-08
Also published as: KR100771466B1; RU2009142856A; CA2650239A1; JP2009535888A

Abstract

Disclosed is an ultra wide band frequency extension and modulation complex wireless communication system, including a body including a front plate which transmits and receives a frequency and a rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation; a head unit for attaching an Iris on a head of the body and supporting a frequency propagation amplification transmission of a microstrip fetch antenna; and a location based service LBS server attached to a middle portion or the head unit of the front plate of the body, having a function of transmitting an emergency rescue signal, wherein the disaster rescue GPS frequency which forms the electric wave propagation extension and modulation and the frequency propagation amplification on the body and head unit uses 5GHz millimeter wave frequency band formed in 13OdBm pulse width.

Description

COMPLEX WIRELESS COMMUNICATION SYSTEM

TECHNICAL FIELD

The present invention relates to an ultra wide band frequency extension and modulation complex communication system using 5GHz millimeter wave frequency band in which a disaster rescue GPS frequency is formed in 13OdBm pulse width, the GPS frequency being used in each frequency for space science of electric wave astronomy or sea or air disaster alarm communication and security of human life. More particularly, the present invention relates to an ultra wide band frequency extension and modulation complex communication system using 5GHz millimeter wave frequency band in which a disaster rescue GPS frequency is formed in 13OdBm pulse width, capable of converting a frequency of an emergency rescue signal (119) into a multiple language voice information service, the frequency being related to HDX frequency extension and modulation of RFID, a frequency propagation amplification transmission of a microstrip fetch antenna having an Iris attached thereto, and a location based service through a coupling method between an electric wave propagation occurred from a wavelength of 13OdBm pulse width which is a WLAN frequency band central frequency based on IEEE 802.11a and HIPERLAN2 physical layer standard by relating with an broad band wireless software defined radio SDR using an ultra wide band frequency extension and modulation common frequency band in 5GHz millimeter wave frequency band in which the disaster rescue GPS frequency is formed in 13OdBm, an ultra wide band wireless communication system and broad band wireless subscriber network BWLL, and a broad band multimedia wireless service.

BACKGROUND ART

On constructing an ultra wide frequency extension and modulation complex wireless communication system using 5GHz millimeter wave frequency band in which a disaster rescue GPS frequency is formed in 13OdBm pulse width, conventional arts which are similar in each product attached thereto include a technology for an electric wave amplification for 5GHz millimeter wave frequency band setting region in which the GPS frequency is formed in 13OdBm pulse width and HDX frequency extension and modulation of RFID in a coupling method for a very long baseline interferometer, and a frequency propagation amplification transmission technology of a microstrip fetch antenna having an Iris attached thereto in an antenna type.

Examples of such technologies include a registered Korean Utility Model Laid-Open No.1955-0003637 (published on April 17, 1955) entitled "Frequency modulator" (hereinafter, referred to as a conventional art 1-1), a registered Korean Utility Model Laid-Open No.1989-001907 (published on May 30, 1989) entitled "Apparatus and method for modulating bandwidth compression frequency" (hereinafter, referred to as a conventional art 1-2), a registered Korean Utility Model Laid-Open No.2003-0051597 (published on June 25, 2003) entitled "RFID tag installation structure, RFID tag installation method and RFID tag communication method" (hereinafter, referred to as a conventional art 2-1), a registered Korean Utility Model Laid-Open No.10-2005- 0051210 (published on June 1, 2005) entitled "Message processing method Frequency modulator" (hereinafter, referred to as a conventional art 2-2), a registered Korean Utility Model Laid-Open No.10-2004-0028834 (published on April 3, 2004) entitled "Electronic tag read system using mobile communication terminal" (hereinafter, referred to as a conventional art 2-3), a registered Korean Utility Model Laid-Open No.10-2002-0342510 (published on June 28, 2002) entitled "Flip type terminal having microstrip fetch antenna for GPS" (hereinafter, referred to as a conventional art 3), a registered Korean Utility Model Laid-Open No.10-2005-00357610 (published on April 19, 2005) entitled "Position verification system and method of mobile communication terminal using voice information of automatic response system" (hereinafter, referred to as a conventional art 4-1), and a registered Korean Utility Model Laid-Open No.20-2005-0374735 (published on February 3, 2005) entitled "Message processing method Frequency modulator" (hereinafter, referred to as a conventional art 4-2).

The conventional art 1-1 is a study for a conventional radio communication, where, in order to efficiently transmit various multimedia information consisted of video, voice and data in a limited RF frequency band, a study for a coding scheme adapted to the channel state and a digital modulation scheme and for MMIC and RFIC satisfying a low price, a high performance and a miniature of an RF module adapted to a high speed broad band property are in progress but they are not realized.

Matters to be considered in such conventional arts to design an efficient RF transceiver by a cascade HBT-MMIC radio amplification theory having a high gain and a low noise index are as follows. That is, in the case of an RF front-end, it is realistic to use an advantage of a superheterodyne method such as a superiority of selectivity, an ease of a channel selection filter condition and a removal of DC offset in a relatively high frequency over a C-band.

However, it is the most serious problem to use an image removal filter of a high Q value in the superheterodyne method, and a study should be performed, to which an active filter should be applied in design of an RF receiver to overcome that. Particularly, since there occur problems such as an increase of a noise index and a bias in an active device in a designing process to apply the active filter to the RF front-end, a recent trend is to design the amplifier by making a cascade coupling of a microwave active device indicating the high gain property and the low noise property simultaneously.

When the amplifier stage is configured by making a cascade coupling of the active device in the CE-CB form, there is an assumption where a frequency property of the amplification stage become excellent since an effective capacitance due to a miller capacitance appearing in an input stage of the amplifier is reduced. However, there occurs another problem that the cascade amplifier has to find a compromise in a low noise property, a high gain and a stability of the amplifier. There is a limitation in a precision and a tracking region of the position. That is, when there occurs a victim in an enormous sea, it is not easy to make a position verification and a tracking region has a limitation.

For example, in a high fidelity video tape recorder which records video information and audio signals, and then reproduces them when needed, signals are recorded as frequency modulated signals. To do this, a frequency modulation circuit is generally configured as an oscillator consisted of registers and capacitors, and a control terminal is equipped externally in order to control a carrier frequency when modulating frequency. A main reason why the external control equipment to control the carrier frequency is used is that an oscillation circuit consisted of registers and capacitors in configuring the frequency modulation circuit is used. That is, when the carrier frequency does not oscillate correctly, the carrier frequency is controlled by controlling a control terminal such as a variable resistor attached externally to match the carrier frequency.

Accordingly, the broad band software defined radio communication system which needs a broad frequency band of GHz width requires a power spectrum density of an ultra short pulse width 0.2 to 1.5ns in a broad band corresponding to 4-5 GHz frequency capacity to generate an ultra wide band signal in the course of constructing a bidirectional energy source of the initial transmission and reception output, requiring a 5GHz millimeter wave frequency band in which the GPS frequency is formed in 13OdBm pulse suitable in the UWB system which has a central frequency in about 65MHz to 5GHz and has its transmission length of several Km at power of several mW.

The theory will be described in more detailed as follows.

First, the VOC detects a phase difference by comparing the reference signal which is a predetermined carrier frequency with an output of the VOC which oscillates freely, and has a phase detector for generating an error voltage corresponding to the phase difference and an oscillator for oscillating the error voltage in the same frequency as the reference frequency after receiving the error voltage in a feedback manner. Further, the frequency modulator performs a frequency modulation of the input signals to be recorded with a frequency modulator having the similar configuration as the VOC.

However, the VOC is configured using an oscillation circuit configured with registers and capacitors, and those are used to oscillation frequency modulators having the same configuration. That is, a scheme to control a carrier frequency of the frequency modulator is adopted using the error voltage obtained by the automatic control loop of the VOC, and the VOC oscillates at the same frequency as the reference signal by the feedback loop. At this time, in order to control the frequency of the oscillator more correctly, the carrier frequency is controlled by performing an external control using the variable resistors, and accordingly a set manufacturing should be performed in the process of manufacturing products, such as skilled persons, a usage of parts, measuring equipment, time to control so that it becomes a cause of increase of prime cost.

Furthermore, there is a defect where a circuit for generating an oscillation signal having a frequency of 3.4MHz is needed. Further, when the frequency of the phase detector becomes high, an error generation ratio becomes high and a control error caused by the skilled person cannot be prohibited.

The conventional art 1-2 relates to "apparatus and method for modulating bandwidth compression of frequency", whose usage and object are different from the present invention.

As to the conventional art, although technical ideas described in USP No.3, 893, 163 have an advantage that there is provided a technology to record video color information and voice information on a record material which is not sensitive to an amplitude such as an optical disk, there also is a defect that the color signal should be far separated from a luminance signal on the frequency spectrum.

Such conventional arts only use the method in a commercial application, which is described in a paper entitled "System Coding Parameters, Mechanics and Electro-Mechanics of the Reflective Videodisc Palyer" by P.W. Bogels and N. V. Philips, which was submitted to autumn conference in Washington for the IEEE 17^th appliance consumer hold on June 8, 1976. Such a method by Bogels performs a frequency modulation of a carrier wave signal together with a standard NTSC video color signal, and modulates a zero cross of the frequency modulated signal together with a frequency modulated voice sub-carrier wave in a method such as a duty cycle modulation of USP No. 3,893, 163.

However, regardless of using any method, there is a problem that information to be recorded on the disk should be in the band width of the disk.

It is because a conventional disk for recording and reproducing video signals has a property of having an upper cutoff frequency of about 13MHz in its inner circumference.

A desirable method for an optical disk produced in the modulation method in accordance with the present invention includes providing a video carrier wave signal which is frequency modulated together with a complex video signal, where a carrier wave frequency of about 8.1MHzcml corresponds to a blanking level, that of about 7.6MHz corresponding to a synchronization signal, and that of about 9.3MHz corresponding to a white level.

A voice sub-carrier in which 2 separated frequencies are modulated is located between about 2.3MHz and 2.8MHz on a spectrum.

Such a method is described in detailed in the Bogels's paper.

Such a method by Bogels described above is used for a standard method in a high performance player for consumers and industry and an optical disk.

There is a radio frequency identification tag (hereinafter, referred to as "RFID tag") of electronic inductance type and electronic coupling type in a conventional art 2-1, and both sides use electronic waves and perform a communication without contacting with a read write terminal and the like. When the RFID tag described in the conventional art having an antenna coil and a controller receives a transmission signal in the read write terminal using the antenna coil, the controller converts it into power and stores the power in a condenser. Further, the RFID tag transmits information such as ID code stored in the storage to the read write terminal again using the power.

The transmission and reception method includes an Amplitude Shift Keying (ASK) method and a Frequency Shift Keying (FSK) method. The former performs the transmission and reception by the ASK of electromagnetic waves and the latter performs it by the FSK of the electromagnetic waves.

If dividing a general RFID tag into antenna coil types, there exist two types of an antenna coil of a disk type using a circular coreless coil and a cylindrical antenna coil having a ferrite core wound with an electric heating wave anti-node copper wire. Each external shape of them corresponds to a shape of an antenna coil, where the former is formed of a disk shape and the latter is formed of a rod shape.

Here, the RFID tag having the antenna coil of the disk shape performs a communication using a magnetic flux change in the direction of surface of the circular coil, and the RFID tag having an antenna coil on the cylinder performs a communication using a magnetic flux change in the direction of the axis. Here, alternating electric flux and magnetic flux of the electromagnetic wave are converted at a phase of 90 degrees. However, when the magnetic fluxes alternated by the magnetic change are crossed with conductive materials such as iron, aluminum, copper, etc., there occurs overcurrent in the conductive material, and a magnetic flux is generated in the direction which is negative to the alternating magnetic flux by the overcurrent. Accordingly, it is general to locate the conventional RFID tag as far as possible from the conductive material.

As a result, in the case that the RFID tag should be installed adjacent to the conductive material, there is a problem that the overcurrent is controlled by locating the coil surface of the RFID tag and the surface of the conductive material on a plane using the RFID tag having the antenna coil of a disk shape and then making them far from the conductive material by inserting a nun- conductive spacer therebetween, or by transmitting the magnetic flux flowing in the conductive material to a high magnetic permeability material by inserting ferrite core or amorphous magnetic sheet having a high permeability between the coil surface and the conductive material.

Up to recently, it is possible to reduce the effect of the conductive material using such a method, and to perform a communication in the direction perpendicular to the coil surface, that is, in the direction where the magnetic distribution is widen by the antenna coil on the disk.

On the contrary, there is an advantage where the RFID tag having the antenna coil on the cylinder can be made small remarkably compared with the RFID tag having the antenna coil on the disk so that it can be applied to all applications.

However, since it is considered unreasonable in principle to install the RFID tag having the antenna coil on the cylinder on the surface of the conductive material, this was not tried even in the conventional study.

Further, the conventional art 2-1 relates to "RFID tag installation structure, RFID tag installation method and RFID tag communication method".

As such, in the conventional art applying the frequency partially and differently, the frequency used in the ASK wireless communication method may be 50KHz to 500KHz in a point of the communication sensitivity (communication length), and 100KHz to 400KHz most desirably.

However, the conventional art has no difference from the conventional art 1-2 except that when the RFID tag having the antenna coil on the cylinder formed in the rod shape is installed to be nearly folded with and horizontally to the installation surface of the conductive material, a communication can be performed as a frequency given in the region using a magnetic flux in a space of the installation surface having the RFID tag.

The conventional tag 2-2 relates to a technology connected to the conventional arts 1-2 and 2-1, which is "Method and apparatus for processing message through RFID".

The conventional art uses a principle where a mutual message transmission and a material transmission can be made only when massage sender and receiver should exist in the same network simultaneously since the messenger service system operates on the basis of a transmission of real time data.

However, since it is not possible to transmit materials or message when a user needs them in such a system, there is a possibility to lose a time to transmit the message, to need an additional infrastructure such as an E-mail, or to restrict the usage.

Furthermore, since it is not possible to verify whether the other party is a true one or not and a user authentication is performed with only simple personal information which is easy to drain out, a confidence to the other party also becomes a problem.

Furthermore, since a home messenger is performed by an unspecified majority in the process of storing and reproducing the message, there is a problem that message transmission among members (for example, family, company) who are formed in a specific district has a limitation of time and place according to a property of the members and task types due to the fact that message recipient cannot be fixed when specified persons exchange messages in a specified group although there is no problem to transmit a simple message among family members, and platforms or products have no mobility or portability due to the fact that the apparatus uses a single equipment several times.

Additionally, the conventional art 2-3 also relates to a technology where an electronic tag system is used in a mobile communication terminal.

The conventional art relates to an electronic tag read system using a mobile communication terminal, and more particularly, to an electronic tag read system using a mobile communication terminal, which includes an electronic tag reader capable of reading RFID tag information in a nun- contacting scheme using a radio frequency identification technology, with which whoever can verify, obtain and utilize electronic tag information attached to each equipment, that is, information of corresponding equipment with ease anytime and wherever using the mobile communication terminal including the electronic tag reader.

Using the conventional art, almost every object such as products, goods, equipment, animal and plant, articles, stocked property has information and price with a bar code attached to it.

However, there are problems such as a high price and an inefficiency to make consumers and producers inconvenient because of various limitation function of the bar code, that is, the bar code should be within a laser region of the read object when reading it, plentiful information cannot be recorded, there is a high possibility of damage, change and forgery, and time and cost are needed to read it.

In order to overcome such problems, a new electronic tag related RFID technology is suggested which can replace it, and the RFID technology utilizing such an electronic tag can be referred to as a wireless identification apparatus which is a field of an automation data collection apparatus with which data is collected or recorded using a wireless frequency to utilize needed information.

A general configuration of the FRID system for the conventional art is as follows.

The FRID system is configured with three factors, that is, transponder which is so called electronic tag, an electronic tag reader, and a host computer or data processing equipment, and the electronic tag has a semiconductor chip (IC chip) manufactured to meet various usage and request and an antenna which can receive a frequency transmitted from the electronic tag reader.

When the electronic tag passes through an effective frequency region of the antenna in the electronic tag reader, it detects signals from the electronic tag reader, and transmits information materials stored in the electronic tag to the electronic tag reader.

The electronic tag reader includes an antenna for transmitting and receiving radio waves, and an electronic circuit for transmitting and receiving the radio waves to and from the electronic tag. The semiconductor chip in the electronic tag reader converts signals incoming from the electronic tag, or stores them in a memory which is a storage while verifying the signals of the data, and may transmit them later when it is needed.

The electronic tag reader which received the data from the electronic tag converts them into digital signals and transmits them to a host computer through a wired or wireless communication network. However, in the RFID technology using such an electronic tag, the electronic tag has a defect that information of the electronic tag can be recognized only when there is a separate electronic tag reader. Conventionally, individuals, or consumers and users of company do not have the electronic tag reader so that there is almost no way to utilize the information of the electronic tag.

That is, in the case that when there is not the conventional electronic tag or a separate electronic tag reader is used, there is an inconvenience as follows.

First, while the electronic tag includes a storage, different from the bar code so that various information can be stored, such as manufactured date, original production site, product guarantee, product authentication, distribution process, effective period, history matter, general consumers or users may experience forged or changed products purchase, unconfirmed effective period, and obscurity of original production site since they cannot confirm such information.

Second, it is not easy to obtain information contained in the electronic tag of various installations, that is, tour information, traffic information, position information, etc.

Third, users cannot read and utilize the electronic tag in a ubiquitous computing age to be popularized from no on so that it brings about vast inconvenience s .

Fourth, when a user wishes to perform a management task efficiently using the electronic tag which is used for property, equipment, products, physical distribution, stock, animals, etc., he or she has to purchase a separate electronic tag reader so that additional costs are generated, and there occur inconveniences to hold separate readers.

In the case of conventional microwave open surface antenna as pointed out in the process described above, although it radiates the power occurred using a high power output pipe through a parabola antenna in space, an active phase arrangement antenna generates electromagnetic wave at several antenna elements. Therefore, the electromagnetic wave is synthesized by controlling phases of each arrangement radiation elements, so all elements form one electric wave surface to transmit the electromagnetic wave in a predetermined direction only or the electromagnetic wave is received from that direction only.

Accordingly, the present invention utilizes a u-sensor network system in which the frequency is used as energy source in the RFID technology which uses an electronic tag.

The u-sensor network defined here is constructed when the antenna sensor tag (sensor) attached to the GPS terminal and a reader attached to the satellite antenna are connected to an information communication network such as BcN mutually, and the tag and reader are connected using frequency and receive energy from its own energy source or transmission and reception frequency to be operated.

Generally, when the reader transmits the electric wave to the tag, the tag obtains energy from the reception electric wave to be activated. Further, the activated tag loads its information and transmits it to the reader. Here, the tag is divided into a passive type and a passive type according to the method to obtain the energy source of the electric wave transmitted.

Here, the passive type obtains the transmission energy from the electric wave received form the reader, the active type obtains the transmission energy form a separate battery and the reader transmits collected information to branch station center through a network. The tag signal employs a collision prevention algorithm, so it recognizes currently stored information up to 100 a second and can retransmit it.

Since it should be possible to recognize victim using the electronic tag, it is needed to define a system to endow a sole identification umber to a unit region or globally. There are Electronic Product Code EPC suggested in EAN.UCC (European Article Number/ Europe, Uniform Code Council/ Northern America region) which leads international current standardization and u-ID (Ubiquitous-ID) system suggested in Japan, and they are promoted as international standard suggestion. Meanwhile, IPv6 is promoted in Internet address system so that a countermeasure for a code system standard suggestion in a national level is needed to connect the EPC method.

From now, a chip having a band of 900MHz which will be used in a variety fields such as global distribution, current is produced by ALIEN, PHILIPS and MATRICS, and a chip of 2.45GHz is produced by HITACHI in a small quantity. Currently, chip price is 40% of the tag price, and a new technology is being developed to make the chip little and the price reduced in order to realize a tag whose price is less than 5 cents. Further, while current price of the chip whose dimension is lmm x lmm is higher than 10 cents, it is expected that the mu-chip produced by HITACHI whose dimension is 0.3mm x 0.3mm and the nano block chip produced by ALIEN whose dimension is 0.35mm x 0.35mm can be reduced to 1 cent in price.

Accordingly, it is a global trend to develop a multi-band, multi-protocol reader that can recognizes a frequency at 5GHz millimeter wave frequency band in which the disaster rescue GPS frequency is formed in 13OdBm pulse width in the process. The conventional art 3 relates to "Flip type terminal having microstrip fetch antenna for GPS", which is a study related with GPS antenna attached to the GPS terminal to add the conventional GPS service function.

Conventionally, GPS service function refers to an added service to receive GPS satellite information and hold individual position information so that it is widely used to E911 service for holding an individual security, navigation system, physical distribution, leisure, etc. For such a GPS service function, an antenna for the GPS is mounted on a generalized handheld terminal. Conventionally, it was general that the GPS antenna is mounted on the main body in a projecting manner.

Main types of such a GPS antenna are a ceramic fetch antenna where a ceramic patch of ceramic shape is cased with a plastic injection molding, and a helix antenna where cylindrical Teflon type is cased with a plastic injection molding formed of twisted power supplying wires.

However, since such a conventional antenna should be large in size of the main body considering the mounting space, it is not possible to mount it inside the main body, and it is not easy to match an angle to the satellite to receive the GPS satellite signals due to the interference with other parts even though it is mounted in the main body.

Accordingly, the conventional GPS antenna should be mounted outside the main body. However, since the size of the main body should be large in the case that the antenna is applied to the terminal and GPS terminal which are minimizing and sliming more and more, the user experiences inconveniences to hold it and there is a limitation to variously design it.

In reality, in the case of the ceramic patch antenna among the conventional GPS antenna, the patch size is 25mm x 25mm x 4mm, and in the case of cylindrical helix antenna, it is 50mm x 15mm. So, it is not possible to mount the antenna in the miniaturized terminal main body. Further, the conventional GPS antenna becomes a large obstruction to miniaturization and sliming of the main body even though it is mounted outside the main body.

Additionally, in the case of carelessly dropping the handheld terminal on the ground, there occasionally occurs the case that the antenna of the main body, especially, the GPS antenna is damaged, so that the terminal cannot provide the GPS service.

The conventional art 4-1 relates to "Position verification system and method of mobile communication terminal using voice information of automatic response system".

The conventional art relates to a position verification system and position verification method capable of providing position information of the specific mobile communication terminal verified through the position search using an automatic response system. The position verification system of the mobile communication terminal in accordance with one embodiment includes a side module for identifying a base station on a radio access network connected to a second terminal unit or a core network in the case that a page request to the LBS platform module for generating a page request of the second terminal system is generated, and an information provision control module for controlling the automatic response system so that the generated position information is informed to the first terminal unit as voice data. Such an object is converted, more specifically, applied to the position verification system and position verification method capable of providing the position information of a specific mobile communication terminal verified through the position search.

Such a position search service is embodied in a method for predicting the position of the other party by identifying the cell position of near base station which verified an access of the mobile communication terminal of a specific user.

However, such a conventional position search service provides information on the position of the mobile communication terminal whose position is verified with visual information such as text or map (image), so that there is a sever restriction to a user whose terminal cannot display such visual information to provide the position search service.

Further, since all manipulations to make the position search service is used by an interface depending on key buttons of the user's terminal, it becomes a barrier to block access to the service to users who are not familiar with it. Further, it is fact that the interface depending on the key buttons requests a very troublesome key button manipulation, such as a wireless (or wired) Internet access, a position search service menu access, a position search object input, etc. to receive the position search service so that it obstructs an activation of the service usage.

Accordingly, it is deeply requested to provide a position verification system and method of a mobile communication terminal having a new concept, which can provide the service of the interface for the position search with a simple key manipulation so as to enhance a service access, and can provide information on the verified user's position with a voice which is easy to obtain information.

The conventional art 4-2 can be divided into "Wireless emergency call system" and the like.

The conventional art relates to an emergency call system in a particular place (for example, an underground parking lot, a crime ridden area), and more specifically, to a wireless emergency call system capable of informing a central control center (for example, an apartment superintendent, a police station, a fire station) of an emergency situation when a crime or a fire broke out in a specific area. The object of the conventional art is to configure an emergency call system capable of collecting an emergency call wireless signal for the emergency situation from the handheld call terminal and transmitting it to a control center. Therefore, when a crime or a fire broke out in a specific area, such emergency situation is informed to a central control center (for example, a control office, a police station, a fire station) which is located in the other location so that a rapid response is made for such situations, and a convenience of usage is enhanced by improving an inconvenience based on the control of the conventional emergency bell and adding RFID output material for open and close of the entrance door of the parking lot as well as various kinds of entrance doors to a call terminal of the wireless emergency call system.

When integrating the conventional arts described above, it can be understood that the radio wave interference system in the theory for the interspace- VLBI defined in the present invention can be divided into several types according to methods of synthesizing radio wave signals emitting from each antenna.

In an embodiment, a method for enhancing a precision of the measuring network includes a method for enhancing a precision of an orbit element of a satellite by observing the GPS from many observatories. However, there is an error in the satellite orbit element, and it makes an effect so much in the precision of the GPS.

First, the radio wave can be synthesized by making a connection using a direct cable, and this case is referred to as "radio wave array". The radio wave array is very useful for a short distance interference system in installation and management, so that it is installed and used so many in an actual astronomical study in countries such as United States, Japan, European countries.

In the case of a radio wave interference system where a mutual distance is hundreds or thousands of Km in order to obtain a space definition higher than the radio wave array, since it is not possible to connect it directly through the cable, signals emitted from each antenna are recorded on each tape and the tapes are gathered again and synthesized. That is, the GPS is observed from the VLBI view point in a method considered to enhance the precision of the orbit element.

In other words, after the precise relative position is determined using the VLBI observation network, the GPS also enhance the precision of the orbit determination when calculating the position of the satellite for the VLBI searching point by searching the satellite, wherein the precision of 2-3cm is obtained for the distance over hundreds of km using the GPS-VLBI method. This case is referred to as VLBI.

Second, the theory for the HDX radio wave propagation extension modulation of the RFID means that when information processed after receiving signals from the GPS satellite and a pseudo satellite is transmitted to the central control center through a mark signal of the wireless tag attached to the GPS terminal for the life jacket, correction information is calculated there, and various processing is performed so that correct positions of victims are listed one by one.

In relation with the above item, a detailed description of constituent of the signal transmitted from the GPS satellite is as follows. The GPS signal is made with reference to universal time coordinated time through 2 cesium atomic watches and 2 rubidium atomic watches mounted on the satellite, and the cesium atomic watch mounted on the GPS satellite generates a basic frequency of fO (=10.23MHz) in the state that it maintains stability of about 10 to 13 degrees a day. The GPS uses a RF signal which is suitable to transmission for ground and ground near users, and it is obtained by multiplying the two carrier signals of Ll and L2 and the basic frequency f0 by integer times. The carrier loads navigation message signal of the satellite produced at 50bps and C/ A, P code, where the P code has a resolution of 10 times relative to the C/A code in frequency and the carrier has a resolution of 1,000 times relative to the C/A code. Therefore, when comparing a vision using the GPS, better precision can be obtained if the P code is used rather than C/A code, and the carrier is used rather than the P code. With the relative position method using GPS carrier wave phase data, when a theory to provide the position information in a precision of mm unit is adapted to the vision comparison, it is possible to compare the frequency between the atomic watches which are apart about several hundred Km. Although the general visual comparison GPS receivers has a low precision since they use code values of the GPS signals, it is possible to obtain a frequency stability of about 10 to 15 a day and to compare the vision at a precision of several ps in the case of using carrier materials to which the relative position method, so that international standard vision especially determines the UTC at the enhanced precision.

Here, general GPS visual comparison receivers use code values of the GPS signal but not the carrier phase value. However, it is possible to enhance the visual frequency comparison precision upon accumulating data of such carrier phase and passing through the post process. Because of the merit, the GPS phase data is used a measurement field requiring high precision already. When the carrier phases is synchronized each other, effect of the multiple paths disappear and it is possible to gain a frequency stability of about 10-15 a day since the measured ionization layer delay value is used. Although that satisfies the precision which is required by current frequency standards sufficiently, not one comparison a day but continuous comparisons are needed in order to gain such performance. Since the comparison of the GPS phase also is affected by the system, stability of the delay time for various parts of the receiver should be maintained and its change should be measured repeatedly.

On the other hand, when it is consisted of a base station (central and local) mounted on earth and navigation system mounted in each ship, sea region control contents of each local area are transmitted through data communication between the central and local base stations and provide the computer (electronic sea map) with real time information. However, when service regions are large, management is performed in the local base station of sea region, and the central base station can be omitted or endow a monitoring function only. The earth base station can utilize manless relay base station depending on the surrounding condition. The local base station receives ship information reported from each ship through wireless data communication and stores it. When in needed, it can select individual ship symbol and inspect information on the ship. The ship reports to ship nearby and earth base station information on position of the ship and other navigation related one using GPS satellite position sensor, receives information on other ships and earth base station and provides the computer (electronic sea map) in real time.

Further, ship automatic identification system related to the process can transmit various types of information at different information update rates. The update period of static information is 6 minutes or performed depending on requirement, and static information includes international marine organization IMO, identification number MMSI, call sign, title of ship, length and width of ship, type of ship, freight loaded, antenna position. Notification of information on the position received from the GPS automatically is made every 3 minutes, and every 2 to 12 seconds on navigation depending on speed. The notification information includes reference time, position (latitude and longitude), position precision, head direction, return rate, navigation situation and additional information, and navigation related information is made every 6 minutes or when requested, including the number of hall, destination and estimated time of arrival, navigation plan, and correspondence.

Especially, an automatic identification system AIS is a digital VHF wireless transponder system, which can be operated at a constant mode regardless of sea region the mounted ship navigates and without any interference on ship. 2 VHF frequency channels 87B and 87B in the sea mobile frequency band are used for communication between ships and between ship and sea base station. Each channel has transmission rate of 9,600BPS, and about 2,000 (2,250) information transmission a minute can be made. The AIS is comprised of 2 independent receivers and one transmitter, where the receiver can simultaneously receive information in 2 channels and the transmitter alternately transmits information in 2 channels. The GPS receiver provides correct time, ship position, navigation data, a communication processor of ship AIS transmits the information together with data and ship name from ship sensor, static data such as call code, navigation related data, and receives information from other ships and earth base station to display. The sea base station AIS receives information from each ship and displays it on monitor. Further, the sea base station AIS transmits navigation related information to each ship. When in needed, it transmits the information to other institute through the network. The AIS developed for aviation adopts self-organized time division multiple access (self-organized TDMA or STDMA) method in order to maximize channel usability. That is, it is a method where earth station and all AIS mounted ships make time-slot allocation for a reference time, and uses GPS time generally. Data communication such as mutual position report can be made between various victims through a same wireless frequency channel. When the same channel is divided into 2,250 time slots and allocated to each ship, and the information is transmitted in a given time interval, other victims simultaneously receive it as a light type (blue light) in a security mode. In the reception method, a position report period is determined according to aviation condition such as speed of ship and head return acceleration rate, which is STDMA method where operator can in self- regulation determine a suitable time-slot to make a retransmission to the victim without collision between them.

The AIS plans to make a report system between ships and between ship and earth control station and a connection operation to VTS system, and should enhance efficiency of ship control as well as navigation security. Helper should automatically gain information from the system and tasks of the navigator should be minimized in the procedure. Further, the navigator should have sufficient availability. The system can be used in search and rescue operation.

Additionally, such functions are similar to the functions which is applied using the general GPS satellite signal in current marine control system, and a correct position can be calculated by applying CD-GPS method which is determined using DGPS to correct code information and carrier information.

Here, implicated definition of the DGPS is as follows.

Error of the receiver includes visual shaking of satellite, orbit shaking of satellite, and electric wave delay when electric wave passes through atmosphere. It is not possible to expect error factors in the GPS receiver. Accordingly, it is not needed to calculate and correct those errors. Accordingly, another one GPS receiver is used other than the GPS receiver to make a position measurement actually. More than 2 GPS receivers are needed to remove the error. At least one GPS receiver is installed at a fixed position known precisely to calculate the position of its own using the signal transmitted from the satellite and compares the calculated position with the position known already. The difference is GPS signal error. Since the GPS error changes depending on time, it is not possible to deal the measured time once with ease. Those 2 or more GPS receivers should be operated simultaneou sly .

The receiver which measures that error is called a reference station. The reference station measures the error at any time and transmits the measured error information to the mobile GPS receiver. The mobile GPS receiver is regarded to receive the same error as the reference station and subtracts the error part from the received measurement value. In the meaning of taking the difference, this method is called a differential GPS, DGPS. Since the error information is information transmitted from the reference station to the mobile station, when the reference station is 1 station, it can make service to a very broad region of mobile stations. There is a data format acknowledged internationally so that the mobile station can use any receiver of any GPS producer. This format is called RTCM-SC 104. In the case of navigation equipment, the position error of the DGPS is about 10m, and in the case of GIS data obtaining equipment or marine measuring equipment, the position error is Im. Further, the positioning of DGPS is performed in two methods, a real time processing method and post-processing method.

In a function endowed as described above, when each indication mark of the wireless tag (RFID) attached to the GPS terminal for life jacket is endowed with a unique number and transmitted, it is possible to recognize positions of hundreds of victims at a time. Further, since it is possible to correctly mark information on sea area, position of victim, distance, etc. on a disaster of sea guidance map so that there are increased interests in sea information and a disaster rescue.

Third, according to the theory of a frequency radio wave amplification transmission method of a microstrip patch antenna, a method for changing frequency radio wave amplification where the patch is changed in three dimensional structures by attaching an Iris to the microstrip patch antenna attached to the GPS of life jacket is adopted.

Fourth, an emergency rescue 110 frequency emitted from the GPS terminal of life jacket can be serviced in multiple voice information through the location based service which is a core technology formed in a complex function.

In the conventional art described above in accordance with the present invention, it can be found that frequency band (13OdBm) signal intensities related to the frequency requested in each item of first, second, third and fourth items have a common factor.

Reviewing an interspace- VLBI in the first item, the common factor is that it is possible to obtain a radio wave propagation extension and modulation and frequency propagation amplification using the interspace- VLBI and coupling method as a frequency band (13OdBm) signal having almost same signal intensity from all satellites in the GPS satellite signal system among the satellites.

In the second item, the communication region needed to the HDX radio wave propagation extension and modulation of the tag (RFID) has a property where it is propagated far as the frequency of the signal becomes low, and there is a problem that the radio wave of the signal experiences a diffraction phenomenon in the material having the size of the wavelength of it. As a result, when the wavelength becomes short, it is severely affected by the environment so that it becomes almost non-practical over 2GHz. Accordingly, it becomes possible to make a radio wave propagation extension and modulation and frequency propagation amplification using the interspace- VLBI and coupling method by the minute radio wave signal system of 13OdBm with an active tag frequency.

In the third item, the frequency amplification transmission method of the microstrip patch antenna is needed in an utilization of the minute radio wave signal intensity of about 13OdBm for the radio wave propagation extension and modulation and frequency propagation amplification using the change method of the frequency propagation amplification where the patch is changed in the three dimensional structure by attaching the Iris to the microstrip patch antenna attache to the GPS terminal for life jacket in the actual GPS satellite signal system among satellites described above.

In the fourth item, the LBS means all fields which provide requested services based on the position of the client (handheld phone or PDA), it means an integrated service to provide moving persons with correct position information with ease and high speed from the existing network and wireless communication network. The located based service technology which is a next generation GIS core technology is a technology with which a location based service is utilized with his or her native language using his or her terminal in any place in the world, wherein in the case that it is commercialized in multiple languages using the minute radio wave signal of 13OdBm in a single database, the frequency of the emergency rescue signal transmitted from the GPS terminal of the life jacket can be changed into a multiple language voice information service through the location based service that is a GIS core technology formed in the complex function.

DETAILED DESCRIPTION OF THE INVENTION (PROBLEM TO BE SOLVED BY THE INVENTION)

It is, therefore, an objective of the present invention to observe /record victims on sea through medium such as electromagnetic energy reflected or radiated in various wavelengths and extract necessary information using observation equipment mounted on observation stage such as GPS satellite or pseudo satellite in space, and air craft, by sharing the same disaster rescue GPS frequency transmitted as existing elastic wave formed in atmosphere, in the case that a victim having a life jacket GPS terminal outputs fine electric wave being an emergency rescue signal on sea.

Another object of the present invention is to embody a WLAN frequency band central frequency extension system based on IEEE 802.11a and HIPERLAN2 physical layer standard, by connecting a broad band software defined radio SDR and an ultra wide band wireless communication system and a broad band subscriber network BWLL, a broad band multimedia wireless service, utilizing 5GHz millimeter wave frequency band formed in disaster rescue GPS frequency of 13OdBm pulse width which is used for space science for electric wave astronomy or sea or air accident alarm communication and life security.

Namely, another object of the present invention is to provide a complex wireless communication system in which IEEE 802.11a and HIPERLAN2 physical layer standard based WLAN frequency band central frequency extension system by connecting a broad band software defined radio and an ultra wide band wireless communication system and a broad band wireless subscriber network BWLL, a broad band multimedia wireless service in a frequency propagation amplification transmission method of a microstrip fetch antenna having HDX electric wave propagation extension and modulation of RFID and Iris using a very long baseline interferometer coupling in the ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band formed in disaster rescue GPS frequency of 13OdBm and an electric wave amplification transmission where a multiple language voice information service is available, the service being connected to a location based service which is a GIS core technology whose emergency rescue signal frequency transmitted in the emergency rescue GPS terminal is formed in a complex function.

Another object of the present invention is to make fine electric wave of an emergency rescue signal reach a GPS satellite in space using the same frequency as existing surface elastic wave formed in the atmosphere, in the case that a victim having the emergency rescue GPS terminal outputs the fine electric wave. That is, the object is to embody extended wavelength phase change in an output stage using a central frequency shift according to a gas absorption in the earth atmosphere in the ultra wide band frequency extension and modulation process using 5GHz millimeter wave frequency band formed in the emergency rescue GPS frequency having almost same signal strength from all satellites in order to obtain electric wave propagation extension and modulation and frequency propagation amplification in a real GPS satellite signal system between satellites. It means a process to form the electric wave propagation extension and modulation and frequency propagation amplification by coupling the propagation signal in the 5GHz millimeter waver frequency band formed in 13OdBm pulse width transmitted from the very long baseline interferometer to an existing surface elastic wave formed in the earth atmosphere. (TECHNICAL SOLUTION)

The frequency wave defined above means the number of repeated vibration of wave during one second. At this time, the frequency is considered a natural resource existing in a physical environment around us as well as a mere numerical value of repeated vibration. The reason why the frequency is considered resource is that while the frequency starts with the concept that it is a kind of wave, the wave (especially electromagnetic wave) can transfer information such as voice, image and data to a long distance using vibration of strength. Line is a medium to give and receive information in a wired communication since information is exchanged through the line. However, frequency spread in space is a medium to exchange information in a wireless communication since information is exchanged through an assigned frequency of electromagnetic wave distributed in space.

However, since one frequency can transmit very little information only, generally frequency band communication using several frequencies is used. While such frequency bands are used divisionally according to usage of the frequency, since there occurs the confusion when same frequency band is used at the same area and time with different usage and accordingly the frequency used once cannot be used in different usage, the frequency has the concept of resource in the facet that it is used for a desired object using propagation communication equipment as a tool.

Besides that, since physical availability capacity of the frequency is limited in an absolute concept, the available band for the purpose of information transmission by men is limited to 3kHz to 3,000GHz, which is defined "electromagnetic wave spreading in space without an artificial conduct whose frequency is less than 3,000GHz" in electric wave communication rules of international electric communication organization. However, such band is an ideal one, and an available band with current technology is much less than the band of 3,000GHz.

Characteristics of frequency are as follows. First, it makes transmission speed fast. Second, it makes transmission and reception of much more information. Third, it makes attenuation volume high as it is transmitted. Fourth, it makes straight property high as it is transmitted. Fifth, it makes diffraction of electromagnetic wave reduced.

When Korean reference from 1998 to 2000 when the frequency utilization value is calculated is considered, it is noted that economical value of frequency utilization in mobile phone service market and mobile phone terminal market is 140 million dollars in average yearly using frequency of IMHz. It is considered except system equipment and related parts, and related contents and export part, so its economical effect will be enormous size considering that. Additionally, electric wave usage occur employment of several hundreds of thousand people and additional value in other industry, so it is admitted that usage of the electric wave can make much effects on economical and social facets.

In the mobile communication network hereinafter, while transmission speed of several tens Mbps is aimed by way of 2nd generation and 3rd generation in order to achieve the need to improve speed and mobile region, it is expected that the wireless network such as a wireless LAN having limited region and mobility with high transmission speed is integrated with high mobility and communication region and developed connectively.

In the fixed and subscriber connection wireless communication network, it is expected that a service region limitation and an installation and maintenance restriction of existing wired network can be solved using broad band wireless subscriber network B-WIL, broad band multimedia service network BMWS, and broad band wireless matched device using several tens GHz, and large unit resistant area and large building and island are connected that it will be developed to an ultra high speed link and subscriber access network which can transmits data of several hundreds Mbps level.

Accordingly, in the wireless LAN, it will be possible to provide a broad band multimedia service having the same service quality as the wired network with a speed of tens or hundreds Mbps using 5GHz and millimeter band, and it will be developed to public wireless access network (or wireless Metropolitan Area Network) as well as a traditional premise private wireless network capable of transmitting data of hundreds Mbps level.

Accordingly, in the wireless LAN, it is possible to provide the same quality of broad band multimedia service as the wired network at a speed of tens or hundreds Mbps using 5GHz and millimeter bands, and it is expected that the wireless LAN develops to the direction of a public wireless access network (or wireless metropolitan area network) as well as a conventional premise private wireless network so that it supplements the broad band mobile network mutually.

In a home area network HAN, it is expected that the home are network develops to the direction of seeking a high speed and a convenience in connection and integration of various calculations, monitoring and communication devices in home, and an integrated home network together with other wired and wireless home networks through a gateway. Additionally, it is expected that a variety of wireless networks capable of making human happier appear with the development of electric wave usage technology in view of wireless communication network capable of constructing mobile office on car by applying next generation wireless communication technology using millimeter wave to IT field.

Ultimately, in the future information communication network, the ultra high speed Internet will spread more widely on the basis of integration of the wired and wireless communications, and the Internet will be established as a general service. Further, a WLAN frequency band central frequency extension system based on IEEE 802.11a and HIPERLAN2 physical layer standard is embodied by connecting it to a broad band software defined radio and ultra wide band wireless communication system and broad band wireless subscriber network B_WLL, and a broad band multimedia wireless service network based on the ultra wide band frequency extension and modulation and electric wave amplification transmission and then the services using the wired and wireless satellites separately are needed to be integrated.

For example, the wireless LAN standard suggested for frequency utilization by United States and European countries since 1999 became a core technology standard in the future IT industry, and it can make enormous profits when successful in making products in view of size of the future global IT market and can be a strategy industry of each country. However, in view of global trends, while 54Mbps level wireless LAN modem is currently under the development, the reality is that a simulator needed to develop IEEE 802.11a and HIPERLAN2 physical layer standard based wireless LAN modem and WLAN frequency band analysis material related to it is insufficient.

As is shown in the result of frequency interference analysis simulation using radar in connection of the above described one, it is true that United States also depends on U-NII Lower, Middle Band plan of the frequency 5,1450MHz to 5,350MHz to be used. However, there occur same channel interference and neighboring channel interference generally, and in order to analyze interference effected to WLAN in 5GHz band by the radar, a modeling task is needed by analyzing signals of meteorological observation radar and a situation grasp for the electric wave environment additionally. It is because interference source can determine whether interference occurs in the same or adjacent channel as the signal source. The present invention considers effects caused by the same channel interference only. It is because the effects of interference for the WLAN is not analyzed or researched until now, so WLAN frequency band is not determined yet.

According to international standardization and technology reference research material compared with WRC-2003, a study for sharing GSO FSS and NGSO satellite networks is undertaken as GSO NGSO FSS satellite network is introduced to FSS frequency band in which most satellite networks are GSO satellite network. Especially, the present invention relates to an ultra wide band frequency extension and modulation complex wireless communication system using 5GHz millimeter wave frequency band whose disaster secure GPS frequency is 13OdBm with respect to sharing method between the GSO satellite network and NGSO satellite network in the FSS frequency band of IGHz to 40GHz around the 3 region to which Korea belongs.

For reference, the present invention refers to Radio Regulations and International Telecommunication Union-Radio communication Sector for international standardization trend in each agenda, and WRC-2000 conference presided by ITU applies the study on high density fixed satellite task frequency distribution and ship earth station related regulation review in relation to the fixed satellite task, the study on electric wave regulation appendix S30, S30A and S9 and SI l revision review (agenda 1.27) and study on satellite digital audio broadcast (satellite DAB) regulation review (agenda 1.34).

Here, since hardware development of millimeter wave frequency band related with the description above requires fine process precision and active elements fixed to temperature, it costs high and so has not been practical yet. Millimeter monolithic integrated circuit study and development project is vividly undergone in US and other advanced countries, and a study on a phase displacement which is important subject to realize arrangement antenna described above remains in the study of hybrid microwave integrated circuit until now.

Further, in order that MMIC low noise amplifier of millimeter wave band solves phase error and output loss of replacement device, noise index improvement of the low noise amplifier and uniformity fault of device parameter, WLAN frequency band central frequency extension system based on IEEE 802.11a and HIPERLAN2 physical layer standard should be embodied in relation to the gain and efficiency improvement of high output amplifier, a broad band software defined radio and ultra wide band wireless communication and broad band wireless subscriber network using 5GHz millimeter wave frequency band formed in 13OdBm pulse width, and broad band multimedia wireless service.

In other word, in order to use the frequency in current Ka band, it is needed to make broad band of output amplifier and increase of output power, saturation input level enhancement of low noise amplifier and reduction of recovery time. Further, compared with radar of microwave band, the millimeter wave band has merits that situation notification and topology prohibition by high precision image can be increased, earth surface having complex background and low space target identification can be increased, and antenna can be mounted on air craft due to its small size and weight, and it is advantageous for ESM, ECCM since millimeter wave attenuates in proportion to distance. However, in order to make such millimeter wave band practical, it should be a precondition that an ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band in which disaster secure GPS frequency is formed in 13OdBm pulse width.

A study on output extension and shift of frequency through a sensor sensing whether analysis gas in atmospheric layer of earth atmosphere for such process has been undertaken, and a variety of gas sensors to measure that for frequency movement path of current atmosphere have been practical. However, in an actual GPS satellite signal system between satellites, by utilizing 5GHz millimeter wave frequency band in which the disaster secure GPS frequency having signal whose intensity is the same as existing surface acoustic wave formed in earth atmosphere, and the almost same as all satellites in order to obtain electric wave propagation extension and modulation and frequency propagation amplification, there is not the very long baseline interferometer coupling method using WLAN frequency band central frequency extension system based on IEEE 802.11a and HIPERLAN2 physical layer standard related to the broad band software defined radio by the ultra wide band frequency extension and modulation and propagation amplification transmission and the ultra wide band wireless communication system and broad band wireless subscriber network, and broad band multimedia service network.

One of the reasons is as follows. In a general surface acoustic wave gas sensor, fine mass change occurred when the gas is absorbed in piezoelectric device obstacles the progress of the surface acoustic wave, and detection device of the gas sensor transforms chemical change induced by absorption of gas to be detected on the surface of the device into an electric signal. So, sensitivity for specific gas quantity is high but frequency change circuit should be embodied.

Design and embodiment of a general frequency band device circuit are as follows.

In the art, an element to be considered first when an amplifier is designed and used is frequency band. While there are ultra wide band devices having 10GHz or more such as a microwave power module due to the development of the broad band technology, its use is very restrict and costs high. So, it is not suitable to be used normally yet.

In the case of the amplifier which is used for communication, it has band widths of several tens MHz normally and is designed and used to operate optimally in a limited band width. In the case of band width used, it is limited by a gain-bandwidth product which is a correlation of gain and bandwidth primarily, and it is general that characteristics of the band width is provided in detail in data material of device used (amplification transistor). While general characteristics in the band include linear and non-linear characteristics, planarity in the band also is an import element. It is because the band having excessive ripple component or gradient cannot be used due to the signal distortion regardless of signal amplification. Generally, planarity in the band has limitation to be restricted to +/-1 dB or less.

For example, in the test condition to embody an excessive vector diagram applied to an output voltage of phase detector of a combiner, when, in the state that 70MHz notch frequency is fixed in a diversity reception path and a notch frequency of main path changes from 50MHz to 90MHz, both paths are applied notch depths of 10, 20 and 30Db, such selection is made because the wireless relay system embodied actually modulates STM- 1(155.520 Mbps) signal to 64-QAM and transmits it within IF frequency 70MHz, channel band 40MHz. As a result, vector sum changes according to the notch depth, resulting in deterioration of combiner characteristic.

The gain which is an amplification level of input signal in the test process is the most important factor among characteristics of the amplifier, and the gain value is determined in consideration of power level of input and output and expressed as follows.

Here, P_out is output power of power amplifier, GA is a gain of power amplifier, and Pi_n is input power of the power amplifier.

Actually, input and output of the power amplifier limits level to be applied according to amplification devices (normally GaAa FET, LDMOS and so on), and a signal level matched to the characteristic should be applied in order to operate the power amplifier stably. When the input signal is increased from a very low level, it is amplified by the gain of the amplifier. Here, when the input signal reaches a predetermined level, the amplifier cannot hold the gain any more and is saturated.

In the conventional art, the point where the output is saturated is fixed at the position IdB apart on an extension line of the characteristic curvature of the gain, which is called IdB compression point CP. The point is a reference point of the maximum output. When reached this point, the amplifier is saturated and reduced in life when an input continues to increase and the amplifier is used at this point for a long time. Further, since the non-linear characteristic is sharply deteriorated, the amplifier is not used at this point normally. While suitable maximum output should be fixed in consideration of specification or characteristic required by a designer of the amplifier, the output level should be limited to a level which is less several dB, or 1OdB or more than IdB CP.

By utilizing the 5GHz millimeter wave frequency band whose disaster secure GPS frequency is formed in 13OdBm pulse width, an efficiency of the amplifier depending on a simple amplifier system embodiment is a very important factor and is a measurement of design and fabrication of the amplifier, except of the WLAN frequency band central frequency extension system based on a broad band software defined radio and ultra wide band wireless communication system by the ultra wide frequency extension and modulation and frequency amplification transmission , and broad band multimedia wireless service network related IEEE 802.11a and HIPERLAN2 physical layer standard. However, the active device consumes voltage and current by the bias for operation, and the level that such a bias contributes to output level of actual signal is a basic definition of efficiency. For example, as the non-linear characteristic becomes worse, the rate that power is consumed on occurrence of harmonic or intermodulation signal rather than amplification of desired signals, and operation mode of the amplification show different efficiency characteristics according to A, B, C and S grades as follows.

P₁ is a basic output of RF signal in the above expression, and Pdc is consumed power of the bias applied for operation of the amplifier. Although the above expression is a definition of efficiency expressed generally, it is general to express the efficiency using power added efficiency PAE when indicating characteristic of the amplifier.

As shown in the above expression, a general characteristic of the amplifier efficiency which is changed according to an operation mode of the amplifier changes in its efficiency and output according to the operation mode of each amplifier, and it is noted that the operation mode is changed at any time depending on the field in which the amplifier is used.

Resultantly, so-called linear amplifier in the art cannot be complete linear amplifier. Accordingly, the linear amplifier in the art is called in the sense that it has a minimized non-linear characteristic. Accordingly, while representative of the non-linear characteristic of the amplifier is occurrence of intermodulation signals, it is defined that signals pass through amplifier and merely is a transfer characteristic occurring at the output. The intermodulation signal is occurred since the amplifier has a used band width. When f 1 and f2 signals are applied to the input as a new frequency component appearing at the output by two or more input signals and their harmonics, components of their combination nf 1 mf2 are appeared at the output.

Here, m and n are positive numbers.

When the intermodulation characteristic appearing at the output of the amplifier used in the communication system is viewed as the result, generally two large signals positioned in the center appear as the input signals. Here, small signals positioned left and right are distorted signals occurred by the intermodulation characteristic. Especially, the occurrence of the harmonic is a representative characteristic of the non-linearity which occurs in the device such as signal mixer as well as amplifiers. In the harmonic component occurred at the amplifier, the amplifier is designed in consideration of that when input is applied fl signal, the signal having nfl component appears at the output. Such components should be mostly provided at the data sheet. In the case of selecting an amplifier for a small signal, a prediction is made only using a third intercept point IP when there is not such a data.

Using 5GHz millimeter wave frequency band in which the frequency band disaster rescue GPS frequency which is a main layer of common surface acoustic wave gas layer of atmosphere to be obtained in the present invention is formed in 13OdBm pulse width, an electric wave propagation extension and modulation and frequency propagation amplification are formed by coupling the wavelength shift path of output stage according to gas absorption of atmosphere and electric wave propagation and very long baseline interferometer occurred from wavelength of 13OdBm pulse width which is a central frequency of WLAN frequency band based on IEEE 802.11a and HIPERLAN2 physical layer standard. By adding the complex multiple function in the process, there is provided first, that since the suggested method has a property in which a communication region needed to make the HDX radio propagation extension and modulation of the tag (RFID) becomes far as the frequency of the signal becomes low, it can be applied when the interspace- VLBI and coupling method are secured using the frequency band (13OdBm) signal having nearly same signal intensity from all satellites in order to obtain the radio propagation extension and modulation and frequency propagation amplification in the real GPS satellite signal system between satellites, second, by forming the head unit for supporting the frequency propagation amplification transmission of the microstrip fetch antenna by attaching the Iris to the body, the practical GPS satellite signal system can be applied between the satellites when the interspace-VLBI and coupling method are secured using the frequency band (13OdBm) signal having nearly same signal intensity from all satellites in order to obtain the radio propagation extension and modulation and frequency propagation amplification, there is an effect that a method for changing the frequency propagation amplification can be embodied where the fetch itself is changed in a three dimension configuration by attaching the Iris to the microstrip fetch antenna, third, in each item, it is possible to embody a multiple language voice information service through the location based service which is a GIS core technology where a frequency of the emergency rescue signal transmitted from the GPS terminal of the life jacket is formed as a complex function.

(ADVANTAGEOUS EFFECTS)

The present invention relates to a frequency band (13OdBm) extension and modulation complex multifunction system of a GPS terminal for a life jacket, which is used when there is an accident at sea, at a ship or at an airplane. That is, an ultra wide band frequency extension and modulation complex wireless communication system according to the present invention includes a body including a front plate which transmits and receives a frequency through wavelength of an output stage in the process that a disaster rescue GPS frequency introduces and shares a method of coupling with a very long baseline interferometry using a wavelength of an electric propagation occurred from an ultra wide band frequency extension and modulation which usesδGHz millimeter wave frequency band formed in 13OdBm pulse width, and a rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation; a head unit for attaching an Iris on a head of the body and supporting a frequency propagation amplification transmission of a microstrip fetch antenna; and a location based service LBS server attached to a middle portion or the head unit of the front plate of the body, having a function of transmitting an emergency rescue signal and converting the signal into a multi-language voice information service, wherein the disaster rescue GPS frequency which forms the electric wave propagation extension and modulation and the frequency propagation amplification on the body and head unit uses 5GHz millimeter wave frequency band formed in 13OdBm pulse width.

BRIEF DESCRIPTION OF THE DRAWINGS

These and other features, aspects, and advantages of preferred embodiments of the present invention will be more fully described in the following detailed description, taken in conjunction with the accompanying drawings. In the drawings:

Fig. 1 is a front view in accordance with an embodiment of the present invention;

Fig. 2 is a bottom view in accordance with an embodiment of the present invention;

Fig. 3 is a view showing a configuration of a location measurement system of a GPS terminal to which the present invention is applied;

Figs. 4 to 8 show a schematic block diagram of a location tracking terminal and views explaining a procedure of frequency band 13OdBm extension and modulation of a signal intensity in accordance with an embodiment of the present invention;

Fig. 9 is a detailed block diagram showing a configuration of a frequency modulator shown in Fig. 4;

Fig. 10 is a view showing a detailed configuration of a VOC shown in Fig. 9;

Figs. 11 to 14 show waveforms for explaining operations of a PLL construction of phase divider A-7 shown in Fig. 9;

Fig. 15 is a view showing a detailed configuration of a FBC circuit related with a mutual conductance amplifier A- 10 shown in Fig. 9;

Figs. 16 to 19 show output waveforms of an FCC circuit;

Fig. 20 is a detailed circuit diagram of a mutual conductance amplifier;

Fig. 21 is a block diagram showing an embodiment of an output waveform shown in Fig. 20;

Fig. 22 is a block diagram showing an embodiment of RFID controlling system;

Fig. 23 is a schematic diagram of an electronic tag read system using a GPS terminal of the present invention and a view illustrating a first embodiment of a wireless-frequency method; Fig. 24 is a detailed block diagram of an electronic tag read device 208 shown in Fig. 23;

Fig. 25 is a graph showing a frequency band 13OdBm frequency extension and modulation of a signal intensity in a microcomputer 23 shown in Fig. 4 and an output result after shifting the central frequency;

Fig. 26 is a constructional view of a digital VHF wireless transponder of a transmission operation system in the frequency full wave transmitter 80 shown in Fig. 4 as frequency channel relation of an automatic identification system AIS such as satellite, GPS satellite, air craft, ship in a frequency transmission method of STDMA;

Fig. 27 shows a development expectation view of next generation mobile communication network using a frequency band directed by the present invention;

Fig. 28 shows an atmospheric radar frequency distribution;

Fig. 29 shows a vector diagram regarding an output voltage of a phase detector of a combiner which is actually embodied by a phase detector in accordance with a notch depth in the frequency modulation output A-2 shown in Fig. 26;

Fig. 30 shows a gain and output characteristic of an amplifier shown in Figs. 26 and 29 in accordance with the present invention;

Fig. 31 is a view showing amplifier efficiency and output according to an operation mode in an output characteristic in Fig. 30;

Fig. 32 is a view showing a frequency intermodulation characteristic of a typical transmission amplifier in accordance with an input signal intensity dBm, in the case that an emergency rescue ON is operated in a disaster rescue GPS terminal of the present invention in an actual embodiment shown in Fig. 1; and

Fig. 33 is a schematic view for a u-tag network system.

[Description of numerals for major parts in drawings] 10: head unit 20: body unit

21: front plate 22: rear plate

23: microcomputer 30: location tracking terminal

31: interspace- VLBI receiver 32 -.location based service (LBS) server 50: electronic tag (RFID) 60: Iris unit

61: microstrip fetch antenna 62: frequency band (13OdBm) 64: mobile video and positioning center 70: position determination entity 80: emergency rescue signal transmitter 90: application service provider service 201: mobile communication terminal 202: mobile communication controller 300: transmitter

203: RFID operating software provider server 205: electronic tag 208: RFID reading device

302: receiver 307: external communication unit

308: controller 30: antenna

SG32: frequency extension and modulation unit SG33: self position transmitter SG34: microstrip fetch antenna processor SG35: map information reader SG36: position information superimpose unit SG37: group position information processing unit BEST MODE FOR CARRYING OUT THE INVENTION

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. This invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The best mode of the present invention provides an ultra wide band frequency extension and modulation complex wireless communication system, including a body including a front plate which transmits and receives a frequency through wavelength of an output stage in the process that a disaster rescue GPS frequency introduces and shares a method of coupling with a very long baseline interferometry using a wavelength of an electric propagation occurred from an ultra wide band frequency extension and modulation which uses5GHz millimeter wave frequency band formed in 13OdBm pulse width, and a rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation; a head unit for attaching an Iris on a head of the body and supporting a frequency propagation amplification transmission of a microstrip fetch antenna; and a location based service LBS server attached to a middle portion or the head unit of the front plate of the body, having a function of transmitting an emergency rescue signal and converting the signal into a multi-language voice information service, wherein the disaster rescue GPS frequency which forms the electric wave propagation extension and modulation and the frequency propagation amplification on the body and head unit uses 5GHz millimeter wave frequency band formed in 13OdBm pulse width.

MODE FOR INVENTION

According to an embodiment of the present invention, there is provided a frequency band (13OdBm) extension and modulation complex multifunction system of a GPS terminal for a life jacket, which is used when there is an accident at sea, at a ship or at an airplane, including a body including a front plate which transmits and receives a frequency through wavelength of an output stage in the process that a disaster rescue GPS frequency introduces and shares a method of coupling with a very long baseline interferometry using a wavelength of an electric propagation occurred from an ultra wide band frequency extension and modulation which usesδGHz millimeter wave frequency band formed in 13OdBm pulse width, and a rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation; a head unit for attaching an Iris on a head of the body and supporting a frequency propagation amplification transmission of a micro strip fetch antenna; and a location based service LBS server attached to a middle portion or the head unit of the front plate of the body, having a function of transmitting an emergency rescue signal and converting the signal into a multi-language voice information service, wherein the disaster rescue GPS frequency which forms the electric wave propagation extension and modulation and the frequency propagation amplification on the body and head unit uses 5GHz millimeter wave frequency band formed in 13OdBm pulse width.

Further, according to the present invention, it is preferred that the body is comprised of the front plate which transmits and receives a frequency transferred from the disaster rescue GPS terminal in a process of introducing and sharing a coupling scheme with the very long baseline interferometer using the electric wave propagation occurred from wavelength of the ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band in which the GPS frequency is formed 13OdBm pulse width, and the rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation, and the head unit attaches an Iris on a head of the body and supports a frequency propagation amplification transmission of a microstrip fetch antenna.

Further, according to the present invention, it is preferred that the frequency modulator which modulates electric wave propagation occurred from the wavelength of the ultra wide band frequency extension and modulation which the disaster rescue GPS terminal uses 5GHz millimeter wave frequency band in which the GPS frequency requested is formed in 13OdBm pulse width and has the same oscillator as the VCO, includes an automatic frequency detection circuit for comparing in phase a fixed frequency signal which is less than the carrier frequency with a signal which is divided by an output of the voltage control oscillator which oscillates at a frequency which is several times of the frequency, a VCO whose input is an error voltage which is output of the frequency detection circuit, an error current producer which changes output error voltage of PLL including a divider which divides the high frequency of the VCO to current, a feedback clamping circuit for receiving a reference signal to determine a clamping level of the low fixed frequency signal and an input signal whose frequency is to be modulated and clamps the input signal, and a frequency deflection /carrier frequency correction control circuit having an adder to add the error current and deviation current, whereby the input signal is frequency modulated with the set carrier frequency.

Further, it is preferred that a chip material forming the disaster rescue GPS terminal is formed in a HDX electric wave propagation method using the electric wave propagation occurred from the ultra wide band frequency extension and modulation which uses 5GHz millimeter wave frequency band in which the GPS frequency is formed in 13OdBm pulse width with the active tag on the rear plate in order that the victim can ware the terminal.

Further, it is preferred that an Iris is attached to the microstrip fetch antenna inserted to the disaster rescue GPS terminal, and a frequency with which the fetch itself is transformed in a three dimensional structure is processed in an electric wave amplification transmission method using remotely the electric wave propagation occurred from the wavelength of ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band in which GPS frequency is formed in 13OdBm pulse width.

Further, it is preferred that the frequency of the emergency rescue signal transmitted from the disaster rescue GPS terminal is transformed in a multiple language voice information service through a location based service which is a GIS core technology formed in a complex function.

The body of the present invention is comprised of the front plate which transmits and receives a frequency transferred from the disaster rescue GPS terminal in a process of introducing and sharing a coupling scheme with the very long baseline interferometer using the electric wave propagation occurred from wavelength of the ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band in which the GPS frequency is formed 13OdBm pulse width, and the rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation. Here, Fig. 1 is a front view in accordance with an embodiment of the present invention, Fig. 2 is a bottom view in accordance with an embodiment of the present invention, and Fig. 3 is a view showing a configuration of a location measurement system of a GPS terminal to which the present invention is applied.

Referring to Figs. 1 to 3, it can be understood that a complex multifunction system of a frequency band (13OdBm) extension modulation of a GPS terminal in a life jacket in accordance with the present invention includes a video function connected with a navigator.

As shown in Fig. 1, a microcomputer 23 exposed on a front plate 21 is a thin plate having a thickness of 8mm and a size of a width (25mm) x a length (55mm), which is generally divided into a first sensor contact and a second sensor contact, both of them are mounted therein in a form of chip devices. It includes two pairs of switches which are located in upper and lower parts, each pair having two protruded switches on a key operation unit of a display unit in left and right sides of a straight line so that the switches can be operated (on and off) by a manual operation to indicate an emergency situation when meeting with a disaster. Here, a pair of switches on the upper part is made of an On operation line and a pair of switches on the lower part is made of an Off operation line. Especially, in On or Off operation state, the left side is a main switch and the right side is an auxiliary switches. An auxiliary switch is equipped with the provision that the main switch does not smoothly operate in an emergency situation when meeting with a disaster.

In the complex multifunction system of a frequency band (13OdBm) extension modulation of the microcomputer 23, the front plate 21 that transmits and receives the frequency transmitted from the microcomputer 23 through the wavelength of the output stage in the process of introducing and sharing the interspace-VLBI and coupling scheme in the frequency band (13OdBm) is shown in front view which is generally divided into a band and a display unit. Its constituents are described in detail as follows.

In the emergency rescue signal (119 frequency) in accordance with the present invention, the microcomputer 23 system is formed in an automatic On operation by inserting a portion protruded on the left side in the key manipulation unit attached on the microcomputer 23. For the rescue request with respect to the emergency situation of the victim, the emergency rescue signal (119 frequency) is repeatedly transmitted in an interval of 3 to 4 seconds.

Next, as shown in Fig. 2, the rear plate 22 is generally divided into a band and a first sensor contact and a second sensor contact both built in the display unit. It modulates a covariance matrix size of a signal space in a microwave amplification transmission scheme which has an orthogonality in embodying a partial space channel estimation by using a location tracking terminal (30, apparatus or chip device) configured in the first sensor contact as the frequency band (13OdBm) 62 which is the frequency by the microcomputer 23 remotely. Also, the frequency modulator having the same oscillator as the VOC is comprised of an automatic frequency detection circuit for phase comparing an a fixed frequency signal whose frequency is lower than a carrier frequency and an output of the voltage control oscillator (VOC) which oscillates in a frequency which is multiple times of the frequency with a signal divided in multiple times, a VOC whose input is an error voltage of the output of the frequency detection circuit, an error current generator having a voltage/power converter for converting an output error power of the PLL including a frequency divider for dividing a high frequency of the VOC, a feedback clamping (FBC) circuit for receiving the low fixed frequency signal, an input signal to be converted in frequency and a reference voltage determining a clamping level and then clamping the input signal, and an adder for adding an error current and a deviation current, where the frequency of the input signal is modulated in a set carrier frequency.

The constituents of it will be described in detailed as follows.

The system includes a body having a rear plate 22 forming a tag (RFID) of an HDX frequency extension modulation portion using the location tracking terminal (30, apparatus or chip device) vector; a head unit for attaching a iris on a head of the body and supporting a frequency propagation amplification transmission of a microstrip fetch antenna; and a location based service attached to a middle portion of the front plate of the body or a head unit, having a function of transmitting an emergency rescue signal and converting the signal into a multi-language voice information service, wherein the location based service (32, LBS server) is comprised of a first sensor contact and a second sensor contract installed in the display unit of the microcomputer 23.

The emergency rescue signal (119 frequency) of the present invention is modulated in frequency by a frequency modulator (D-I) by way of a carrier frequency correction controller (A-2) installed in the first sensor contact mounted in the microcomputer 23 and outputted. Here, the oscillator in the frequency modulator has the same configuration as the VOC of the error current generator (A-I) so that the error voltage (Verr) is applied to the frequency modulator (D-I) as well as the VOC and then it is possible to obtain the carrier frequency controlled automatically without an external control. The frequency correction controller (A-2) includes the error current generator (A-I) and the deviation current generator (A-3), outputs (lerr amd ldev) of the circuit blocks (A-I and A-4) are added in the adder (A-5) and output as a correction signal (A-2).

The error current generator (A-I) generates an error current lerr by the mutual conductance amplifier OTA (A-9) existing in the frequency modulator (D-I) of Fig. 9 which can perform frequency band 13OdBm frequency extension and modulation by way of a Phase Lock Loop (PLL) block consisted of an automatic frequency detector (A-6), a frequency divider (A-7) and an oscillator (A-8). Here, the deviation current generator (A-3) is comprised of the feedback clamping circuit (A- 10) and band gap reference circuit (A-I l) of Fig. 10 which has received the synchronization signal fh and a video signal. The feedback clamping circuit (A- 10) and band gap reference circuit (A-I l) generate the deviation current Idev by way of the mutual conductance amplifier (C-l)(C-2) as voltage /current transformer.

Specifically, the VOC of the present invention is characterized in that it compares a reference signal of a desired carrier frequency with an output of the VOC which vibrates freely and detects a phase difference and has a phase detector for generating an error voltage corresponding to the phase difference and an oscillator for receiving the error voltage in feedback and oscillating it as the same frequency as the reference frequency. Accordingly, the frequency modulator has a configuration similar to the VOC to modulate the input signal to be record.

Since the oscillator is configured as the mutual conductance amplifiers (C-I, C-2) having the characteristics described above, the VOC (B-3) of the 32OfH is the same as an oscillation frequency variance configured in the frequency modulator (D-I) shown in Fig. 5 to be described below even though the oscillation frequency changes due to any reason. The error current generator (A-I) is basically comprised of a PLL, and the oscillation frequency of the VOC (B-3) has 5.04MHz, for example. The signal has a fH frequency signal which is applied to the automatic frequency detection circuit (B-I) through 1/32OfH frequency divider so that it is compared with a fH synchronization signal applied externally and generates an error voltage Verr corresponding to a mismatch phase difference. The error voltage Verr is applied to the VOC (B-I) again and correctly oscillates at 5.04MHz. The error voltage Verr is inputted to the VOC (B-I) of the 32OfH and the voltage /current converter (B-4), and then connected to the frequency modulator (D-I). The error voltage Verr is converted into the corresponding amount of current and outputted by the voltage/ current converter (B-4) so that the error current lerr is generated.

Fig. 3 shows a process where an Iris is attached to the microstrip fetch antenna inserted to the disaster rescue GPS terminal, and a frequency with which the fetch itself is transformed in a three dimensional structure is processed in an electric wave amplification transmission method using remotely the electric wave propagation occurred from the wavelength of ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band in which GPS frequency is formed in 13OdBm pulse width.

Fig. 3 is a view showing a configuration of a location tracking system of a GPS terminal to which the present invention is applied, and the system is comprised of a head unit 10, a microcomputer 23, a location tracking terminal 30, an interspace-VLBI receiver 31, a controller in a location based service 32, an emergency rescue signal (119 frequency) transmitter 40, an electronic tag (RFID) 50, an electronic tag reader 51, an Iris unit 60, a microstrip fetch antenna 61, a frequency band (13OdBm) 62. A detailed description of the constituents will be given as follows.

The emergency rescue signal (119 frequency) transmitter (BTC/BSC) 40 that includes the GPS transceiver related to a signal system of a victim emergency situation in accordance with the present invention and location information from the GPS pseudo satellites 31 and 31-1 transmits to a position determination entity (PDE) 70 base station information including the location information, local information between the base station and the microcomputer 23, and base station information including sea, ship or airplane phase information through the switch MSC 63. The PDE 70 calculates the location on the basis of the location information received from the microcomputer 23.

The PDE 70 can also include the GPS receiver and then the location information from the GPS satellite 31-2, and utilizes it to calculate the position of the microcomputer 23.

Further, the PDE 70 receives mobile video and position information of the microcomputer 23 managed in the victim position registration conversion apparatus (Iris unit, ILR) 60 as well as position information and base station information calculated in the longitude and longitude information received from the microcomputer 23, and makes the position of the microcomputer 23 more correct.

The mobile positioning center (MPC) 51 provides mobile video and positioning information based on a multiple language voice information service conversion in which the frequency band (13OdBm) 62 frequency transmitted from the microcomputer 23 forms the micro wave propagation extension modulation and frequency propagation amplification according to an emergency rescue signal request from a victim of the location based service (LBS server) 32 where a personalization and a mobility are coupled among the information communication and the wireless Internet service. Further, it receives entire information in the microcomputer 23 and transmits them to the LBS server 32. When the mobile video and positioning information is transmitted to the LBS server 32 through the electronic tag reader MPC (mobile video and positioning center) 64 which is a monitoring recognition system after exchanging it with a general mobile computer peripheral, the LBS server 32 transmits the information to an application service provider service ASP 40 and utilizes it to provide various mobile video and positioning based service provider with a basic material.

In Fig. 4, the emergency rescue signal in the disaster rescue GPS terminal is transformed in a multiple language voice information service method through a transmission process in the GPS terminal system internal structure of the present invention first, and the location based service system which is a GPS core technology formed in a complex function installed in the GPS receiver second.

Fig. 4 shows a schematic block diagram of a position tracking terminal according to an embodiment of the present invention and is a view explaining an ultra wide band frequency extension and modulation procedure using 5GHz millimeter wave frequency band in which the disaster rescue GPS frequency for signal intensity is formed in 13OdBm pulse width. The procedure is a complex one where frequency band 13OdBm (62) frequency transmitted from the microcomputer (23) is collected at the receiver (31) formed by the very long baseline interferometer and retransmitted. It is related to the self position transmitter SG33, microstrip fetch antenna processor SG34 and GIS and a map information reader SG35 which is an image signal synthesizing system and changed mutually to provide the rescue signal (1 19 frequency) and position information superimpose unit SG36 with mobile image and position information according to the multiple language voice information service conversion. Also, information merged through the ultra wide band HDX frequency extension and modulation unit 32 has the GPS transmission and reception functions through the emergency rescue signal transmitter 80 which is a frequency full wave transmission system.

Hereinafter, a more detailed description of constructional system for GPS transmission and reception functions will be given with reference to Figs. 5 to 7.

Fig. 5 shows a radiation shape of GPS antenna related to a frequency modulation and extension in accordance with 13OdBm signal output installed in the GPS satellite and satellite itself. That is, the frequency band 13OdBm 62 frequency transmitted from the microcomputer 23 has a series of process where the electric wave propagation extension and modulation and frequency propagation amplification are formed in the complex multiple function system and it is retransmitted as Ll signal in the Ll carrier 13OdBm which is a GPS satellite signal system of Fig. 5 installed in the received satellite. That means GPS satellite signal system which transforms it to L2 signal through a complex modulation process of L2 carrier.

The GPS receives or transmits signals from or to 24 satellite (height is 20.200km, gradient is 55 degrees, and period is 12 hours), 5 monitoring stations and controlling station in 6 orbits which are turning the earth. The satellites are arranged to receive signals from at least 5 satellites at the frequency band 13OdBm 62 transmitted from the microcomputer 23 when requested from the victim's emergency rescue signal. Each satellite is constructed to complex convert L band frequency, that is, Ll (1,575.42 MHz) and L2 (1,227.6 MHz) and transmit them. Ll carries P code and C/A code, and P2 carries P code.

Here, the P code and C/A code indicate constituents in the signal system which is transmitted by the GPS satellite. The navigation data installed in the satellite and ship, air craft are superimposed by the P code and C/A code, and are carried by the Ll and L2. Detailed description for them is given with reference to the Radio Regulation RR and International Telecommunication Union-Radiocommunication Sector ITU-R which is acknowledged to revise by World Radiocommunication Conference-2000. The GPS signal is made with reference to the universal time coordinated vision through 2 cesium atomic watches and 2 rubidium atomic watches mounted in the satellite. The cesium atomic watches mounted in the GPS satellite maintain stability of about 1013 region a day and generate a basic frequency f0 = 10.23 MHz. The GPS is obtain by making integer times of the basic frequency f0 which is suitable for transmission output for user on earth, that is, the microcomputer 23 or searching person. And, the satellite received by a series of processes in which the frequency band 13OdBm 62 frequency transmitted from the microcomputer 23 forms electric wave propagation extension and modulation and frequency propagation amplification can work with Ll carrier 13OdBm which is a GPS satellite signal system shown in Fig. 5 mounted in the satellite and it is defined to be optimized.

In the process that the frequency received in the satellite forms the electric wave propagation extension and modulation and frequency propagation amplification in the GPS satellite signal system mounted in the satellite, Fig. 6 is a radiation type shape of the GPS antenna, and its production type is divided into (a) E-area shape and (b) H-area shape. In the frequency extension and modulation process, Fig. 7 shows a result the electric wave propagation changes the central frequency, and Fig. 8 illustrates a frequency band 13OdBm frequency extension state of the signal intensity. A frequency modulation circuit having a correction circuit for controlling a carrier frequency of the frequency modulation circuit in order to record the frequency signal on the magnetized record medium is constructed as Fig. 9.

Fig. 9 is a detailed block diagram illustrating a construction of the HDX frequency extension and modulation unit shown in Fig. 4. The HDX frequency extension and modulation unit includes an automatic frequency detection circuit for comparing in phase a fixed frequency signal which is less than the carrier frequency with a signal which is divided by an output of the voltage control oscillator which oscillates at a frequency which is several times of the frequency, a VCO whose input is an error voltage which is output of the frequency detection circuit, an error current producer which changes output error voltage of PLL including a divider which divides the high frequency of the VCO to current, a feedback clamping circuit for receiving a reference signal to determine a clamping level of the low fixed frequency signal and an input signal whose frequency is to be modulated and clamps the input signal, and a frequency deflection /carrier frequency correction control circuit having an adder to add the error current and deviation current, whereby the input signal is frequency modulated with the set carrier frequency.

A detailed description of HDX frequency extension and modulation unit shown in Fig. 9 will be given.

The frequency signal according to the present invention passes through a carrier frequency correction controller A-2 to be modulated by the frequency modulator D- 1. Since the oscillator included in the frequency modulator D- 1 has the same construction as an automatic frequency detection circuit which compares a fixed frequency signal having a low circuit gain of the amplitude of the sideband and carrier in the output spectrum and output of the voltage control oscillator VCO which oscillates at several times of frequency of the frequency with the divided signal by the several times, error voltage Verr is applied to its own modulator D-I as well as VCO (D-I) outputting the frequency circuit gain, so that it is possible to automatically gain controlled carrier frequency without an external control. That is, when the output Ierr and deviation current Idev are changed, the modulation unit includes a mutual conductance amplifier OTA (A-9) in the frequency modulator D- 1 , the feedback clamping circuit A-IO in Fig. 10 and a band gap reference circuit A-I l.

As shown in Fig. 9, the deviation current production unit A3 has a construction of passing through a first mutual conductance amplifier A-IO which is fed back the deviation current production unit A-3, where an output of the first mutual conductance amplifier A-IO passes through a condenser Cl and an impedance circuit Zin of Fig. 10 and a second mutual conductance amplifier A-I l to be applied to another condenser C2 connected to an output of the second mutual conductance amplifier A-I l. The final output is obtained there. This is a principle to be oscillated using a negative feedback that the output Vout is fed back to a negative input of the first mutual conductance amplifier A-IO and a negative resistance Zin, so an input drive level gm of the mutual conductance frequency of the oscillation circuit in the frequency converter changes to oscillate VCO stably.

The frequency correction controller (A-2) includes the error current generator (A-I) and deviation current generator (A-3), and outputs Ierr and Idev of the two circuit blocks (A-I and A-4) are added in an adder (A-5) and then output as a correction control signal (A-2).

Here, the error current generator (A-I) generates the error lerr by the voltage /current converter (A-9) by way of a Phase Lock Loop (PLL) block consisted of an automatic frequency detector (A-6), a frequency divider (A-7) and an oscillator (A-8) after receiving a synchronization signal fh externally. Further, as shown in Fig. 4, the map information reader SG35 obtains frequency modulated signal which is small or large according to its level, correspondingly to the input image signal. Here, the deviation current production unit A-3 of Fig. corresponding to the level of the image signal is a feedback clamping circuit A-IO receiving the synchronization signal fh and image signal of Fig. 10, a band gap reference circuit A-I l and a voltage/ current converter, and the mutual conductance amplifier C-I and C-2 produces a complex deviation current Idev through the same relation construction as the mutual conductance amplifier C-I and C-2 of Fig. 15.

Fig. 10 is a detailed construction of the VCO shown in Fig. 9.

The VCO of Fig. 10 has the same construction as the automatic frequency detection circuit which outputs 320fh frequency, especially compares in phase the fixed frequency signal having a low circuit gain of the carrier amplitude and sideband in the output spectrum of the error current production unit A- 1 and the output of the voltage control oscillator VCO which oscillates at a frequency higher than the frequency several times, and the error voltage Verr is applied to its own frequency modulator D-I as well as the VCO (D-I) of Fig. 9 which outputs a circuit gain according to the frequency deformation, so that it is possible to gain the automatically controlled carrier frequency without any external control.

Here, the VCO has a phase detector which compares a reference signal which is a desired carrier frequency and an output of the VCO oscillating freely, detects the phase difference, and generates an error voltage corresponding to the phase difference, and an oscillator which receives the error voltage in a feedback manner and oscillates it at the same frequency as the reference frequency. Further, the circuit gain VCO (B-3) occurred by deformation of the frequency alternate pulse is mutually related to have first and second mutual conductance amplifiers C-I and C-2, the mutual conductance amplifiers C-I and C-2 have a high degree of freedom since they are combined with unit circuit elements having high independency. Further, the mutual conductance amplifiers C-I and C-2 are suitable to a free control since the mutual conductance is changed and then the oscillating frequency is changed. Further, characteristics of the element such as resistance rate are remained constantly and a plurality of filters can be controlled at a time.

Since the oscillator B-3 is constructed of the mutual conductance amplifiers C- I and C-2 having the characteristics described above, even when the oscillation frequency is converted by any cause, circuit gain VCO (B-3) of the converted frequency of the 32fh and changed quantity of the same oscillation frequency as the oscillation frequency constructed in frequency modulator D- 1 of Fig. 9 to be described below are same relatively.

The error current generator (A-I) basically has a PLL configuration, and the oscillation frequency of VOC (B-3) has a frequency of 5.04MHz, for example. A fH frequency signal of the signal is applied to an automatic frequency detection circuit (B-I) through an 1/32OfH frequency divider and compared with a fH synchronization signal applied externally so that there occurs an error voltage Verr corresponding to a mismatched phase difference. The error voltage Verr is applied to the VOC (B-I) again so that it regularly oscillates at 5.04MHz. The error voltage Verr is applied to the voltage /current converter (B-4) as well as the VOC (B-I) of the 32OfH so that it is connected to the frequency modulator (D-I), where the error voltage Verr is converted and outputted as the corresponding current by the voltage /current converter (B-4) and there occurs an error current lerr.

It makes the generator having the same configuration as the VOC in the frequency modulator (D-I) oscillate correctly, where the frequency depends on application products, for example, 3.4MHz.

That is, it is made to achieve the object of the present invention and the carrier frequency of the frequency modulator D-I means that external automatic control can be made.

Figs. 11 to 14 are waveforms illustrating operations of the PLL construction of the divider A-7 of Fig. 9.

The PLL needs the VOC of Fig. 9. The PLL of the error current generator (A-I) outputs the VCO which receives the error voltage as the VOC and oscillates the corresponding frequency signal at a frequency of several times of the frequency. It includes an error current production unit having a voltage /current converter which converts the output error voltage of the PLL including a divider for dividing the high frequency of the VCO into current, and the mutual conductance amplifiers C-I and C-2 which receives the low fixed frequency signal, an input signal to be modulated in frequency, and a reference voltage to determine the clamping level and clamps the input signal as shown in a detailed view of the feedback clamping circuit of Fig. 15 and Fig. 20.

In the PLL including VCO, that is, the conventional circuit which uses the divider A-7, an oscillation frequency control is reduced since the oscillator of the VCO and an oscillation circuit of the frequency oscillator are constructed of passive elements of RC. Further, while a new construction is needed to provide an oscillator to oscillate a frequency of 3.4 MHz, it is overcome with employment of a mutual conductance amplifier A-9 in the frequency modulator D-I of Fig. 9 capable of extending and modulating a frequency band of 13OdBm. Resultantly, since a phase comparison of high frequency signal of 3.4MHz is performed, it is difficult to detect a precise error voltage Verr. However, since the phase comparison is performed by forming a frequency band 13OdBm frequency extension and modulation lower than 15.625MHz, a precise phase comparison can be obtained.

Further, since a circuit to control a frequency deviation of the frequency modulation circuit is added, there is an effect to control the frequency modulation, too.

In the process of forming an electric wave propagation extension and modulation and frequency propagation amplification in the operation signal system which is constructed of PLL of the divider A- 7 shown in Fig. 9, Fig. 11 illustrates a magnitude (a) of a normalized frequency impedance change of TNlO mode and TMOl mode and Fig. 12 illustrates a phase (b) of a normalized frequency impedance change of TMlO mode and TMOl mode. Fig. 13 shows a simulated experiment for the result and a result for an experimental frequency reflection loss of the experiment, and Fig. 14 shows a result of an experimental axial ratio frequency band width.

Fig. 15 is a detailed circuit diagram of a feedback clamping circuit C-I which is constructed related with the mutual conductance amplifier A-9 shown in Fig. 9. Referring to Fig. 9, it is drawn to gain a frequency modulated signal of small and high according to its level correspondingly to the input image signal. Here, the corresponding frequency for the level of the image signal is displayed concretely, and especially the dark clip region of the lowest level and the white clip level region of high level region are displayed. Fig. 15 illustrates a FBC circuit for a frequency value correspondingly to the image signal level by integrating the above. That is, for an example, it is noted that the dark clip 75% level becomes 2.65MHz when it is modulated in frequency.

In the feedback clamping circuit C-I, the PLL needs the voltage control oscillator VCO of Fig. 9 when a connection is performed to form the electric wave propagation extension and modulation and frequency propagation amplification by the PLL construction operation signal system. The PLL of error current production unit A-I receives the error voltage Verr as VCO and outputs the signal corresponding it to the VCO (B- 103) which is oscillated as a frequency higher than the frequency several times. It includes an error current production unit having a voltage/ current converter for converting the output error voltage which includes a divider for dividing the high frequency of the VCO. As shown in the detailed view of the feedback clamping circuit of Fig. 15 which receives the low fixed frequency signal, an input signal to be modulated in frequency, and a reference voltage to determine the clamping level and clamps them to the image signal, the design is that a synchronization tip is arranged in a predetermined potential before the image signal IN is applied to the feedback circuit. However, the feedback clamping circuit C-I arranges the synchronization tip in a predetermined potential once again.

The arranged image signal generates current Idev which is proportional to the magnitude of the signal input through the mutual conductance amplifier, that is, the mutual conductance amplifier A-9 of Fig. 9. The obtained current Idev is added to the error current Ierr to control the carrier frequency and controls the frequency deviation of the frequency modulator. That is, the synchronization tip of the image signal is modulated into 3.4MHz and the white part is modulated into 4.4 MHz.

The detailed construction of the feedback clamping circuit C-I is as shown in Fig. 15, and the detailed circuit construction of the mutual conductance amplifier A-9 is as shown in Fig. 20.

First, a feedback clamping circuit 0111 of Fig. 15 is a circuit for clamping the synchronization tip potential of an input video signal IN into a certain potential. As shown in this figure, a reference synchronization signal fh is input to the circuit, and thus transistors Q3 and Q4 connected to a collector of a transistor Q2 receiving the signal are operated during only a fh period. A reference voltage Vref is a potential for clamping a synchronization tip. The input video signal IN is applied to a base of the transistor Q3 via a P- type MOS transistor PMOS4, and the collector voltage Va of the transistor Q4 is changed depending on the synchronization tip potential of a video signal applied to the base of the transistor Q3. If the synchronization tip potential of the input video signal IN is lower than the reference input voltage Vref, a current flowing through the transistor Q4 increases. The gate voltage of the transistor PMOS4 increases, and thus a voltage Vx increases. As a result, the reference voltage Vref and the voltage Vx become identical with each other.

On the contrary, if the synchronization tip potential of the input video signal IN is higher than the reference voltage Vref, a capacitor C2 is charged, and the voltage Vx increases. The emitter voltage of a transistor Q7 increases, and thus the voltage Vx decreases. As a result, the reference voltage Vref and the voltage Vx become identical with each other.

Figs. 16 to 19 are waveform diagrams illustrating outputs of a feedback clamping circuit. The voltage control oscillator VCO of Fig. 9 is required in the feedback clamping circuit. In the PLL of the error current generator A- 1 , the VOC B- 103 receives an error voltage Verr and oscillates a signal with a frequency corresponding to the error voltage Verr to have a frequency a few times higher than the aforementioned frequency. As an example, a VOC oscillation frequency of 320fh is generally input to 1/32OfH counter including a flip flop to generate fh, and the phase of a signal counted down as 1/320 is compared with that of the reference signal fh of Fig. 16 in the automatic frequency detection circuit B-I of Fig. 9. The error voltage Verr is obtained through a well-known method. The error voltage Verr will be briefly described below.

First, an H-pulse with a duty rate of 60%, in which the equalizing pulse period of a complex synchronization signal is eliminated, is made as shown in Fig. 17.

Next, an output of the feedback clamping circuit is branched as 1/320, and a gate pulse for PLL detection is simultaneously made as shown in Fig. 18 so as to gate the signal and the H-pulse. Then, a detection output shown in Fig. 19 is obtained, and an error voltage Verr is generated by integrating the detection output with an integrator.

The error voltage Verr controls the oscillation frequency of the VCO B-3. For example, if an initial VCO oscillation frequency is low, the period of a gate pulse of Fig. 18 increases, and an output of the integrator increases while an upper portion of a detection output of Fig. 19 is extended. For this reason, the oscillation frequency of the VCO B-3 is increased. Accordingly, the detection output shown in Fig. 19 is input to the frequency modulator D-I of Fig. 9 having the same structure as the VCO B-3 via the voltage/ current converter B- 4 so as to control the oscillation frequency by a variation of the VOC B-3. For this reason, a designed oscillation frequency can be oscillated.

Meanwhile, before a video signal is applied to the feedback clamping circuit in Fig. 9, a synchronization tip aligns the video signal to have a predetermined potential. The aligned video signal generates a current Idev in proportion to the amplitude of a signal input through a mutual conductance amplifier, i.e., the voltage /current converter B-4. The obtained current Idev is added to an error current Ierr for controlling a carrier frequency to control the frequency deviation of the frequency modulator D-I of Fig. 9. That is, a synchronization tip portion of the video signal is modulated into 3.4Mhz, and a white portion of the video signal is modulated into 4.4MHz. This means that a frequency modulation circuit having a signal intensity provided with a synchronization tip control circuit portion of the video signal for automatically controlling the carrier frequency of the frequency modulation circuit for recording a frequency signal in an automatic recording medium is formed in the process of extending and modulating a frequency with a frequency band of 13OdBm.

Fig. 20 is a detailed circuit diagram of a mutual conductance amplifier.

In the mutual conductance amplifier of Fig. 20, a predetermined voltage is applied to a transistor Ql. Unless an external input 14 applied to an emitter of the transistor Ql is changed, a predetermined current flows through a transistor Q4. An output 0111 of the feedback clamping circuit of Fig. 15 is applied to a PMOS transistor PMOS3, and a predetermined voltage 13 is applied to a PMOS transistor PMOS 4 symmetrically connected to the PMOS transistor PMOS 3. When the two voltages are identical to each other, an output 0113 of the circuit is zero. Here, the predetermined voltage is a voltage for such an operation. In this condition, the mutual conductance amplifier circuit generates a current Idev in proportion to the potential of the input video signal, so that a frequency deviation can be realized in the frequency modulation D-I of Fig. 9.

Particularly, as shown in Fig. 20, the input video signal IN is applied to a base of a transistor Q3 via the PMOS transistor PMOS4, and a collector voltage Va of the transistor Q4 is changed depending on the synchronization tip potential of the input video signal applied to the base of the transistor Q3. If the synchronization tip potential of the input video signal IN is lower than a reference input voltage Vref, a current flowing through the transistor Q4 increases, and a capacitor C2 connected between a collector of the transistor Q4 and a ground GND is discharged through the transistor Q4.

Here, an oscillator 13 of Fig. 20 is configured such that an input signal is applied to a first mutual conductance amplifier C-I for allowing an output Vout of the oscillator 13 to be feedback, and an output of the first mutual conductance amplifier C-I is applied to another capacitor C2 of Fig. 15 connected to an output of a second mutual conductance amplifier C-2 via a capacitor Cl, an impedance circuit Zin and the second mutual conductance amplifier C-2 of Fig. 15, so that a final output Vout can be obtained from the capacitor C2.

Fig. 21 illustrates an example of the output waveform in Fig. 20.

In the same condition as Fig. 20, an error current Ierr and a deviation current Idev are added to each other by the adder A-6 of Fig. 9 and then input to the frequency modulator D-I of Fig. 9. As shown in Fig. 21, a frequency- modulated signal is output. Particularly, since the oscillator 13 of Fig. 20 has the same configuration the VOC of the error current generator A- 1 of Fig. 9 due to the implied frequency modulation, an error voltage Verr is identically applied to the frequency modulator D-I as well as the VCO. Thus, a carrier frequency automatically controlled without an external control is obtained.

That is, if the error current Ierr and the deviation current Idev are changed, the gm value of the mutual conductance amplifier OTA in the frequency modulator D- 1 of Fig. 9 is changed, and thus an oscillated frequency is changed. In Fig. 21, a signal modulated to be dense or sparse corresponding to an input video signal in accordance with its level can be obtained,.

Fig. 22 is a block diagram illustrating an embodiment of an RFID control system.

An RFID technology using an electronic tag may refer to a wireless recognition device that is included in one field of an automatic data collection for utilizing required information by collecting or recording data using radio frequencies. The RFID system generally includes three components, i.e., a transponder, so-called an RFID reading device, a host computer and equipment for processing data. The electronic tag is connected to a semiconductor chip (IC chip) fabricated to be suitable for location tracking information of a victim and an antenna embedded in a GPS terminal for receiving frequencies received and transmitted from the RFID reading device. If the electronic tag passes within the effective frequency range of an antenna in the RFID reading device, a signal output from the RFID reading device is detected to transmit information data stored in the electronic tag to the RFID reading device. The RFID reading device includes an antenna for receiving/ transmitting electronic waves and an electronic circuit for receiving/transmitting electronic waves toward the electronic tag. The semiconductor chip in the RFID reading device changes a signal input from the electronic tag, stores the signal in a memory that is a storage device while verifying it, or transmits the signal later as necessary.

Fig. 23 is a schematic view of an RFID detection system using the GPS terminal of the present invention, in which a code conversion system in a process of demodulating a frequency from a GPS satellite receiving a frequency input form the GPS terminal of the present invention is converted into a system for detecting an electronic tag.

The RFID detection system using the GPS terminal, shown in Fig. 23, includes an electronic tag 205 attached to the microstrip patch antenna processor SG34 of Fig. 4 so as to store various information in the microstrip patch antenna processor SG34 of Fig. 4 and to transmit corresponding information when detecting a signal within an effective frequency range; an RFID reading device 208 for transmitting an effective frequency signal for reading information recorded in the electronic tag or for reading information from the electronic tag existing within the effective frequency range; and an RFID operating software provider server 203 for providing RFID operating software to a mobile communication controller 202 for processing information received from the RFID reading device 208 or providing the received information to a screens of a satellite and a mobile communication terminal 201, or performing its operation for the mobile communication controller 202.

Fig. 24 is a detailed block diagram of the RFID reading device 208 of Fig. 23. The RFID reading device 208 includes an antenna 309 for transmitting a predetermined frequency for receiving information from the electronic tag 205 to an electronic tag 208- 1 as a signal format and receiving information from the electronic tag 208-1 through a non-contact mode in approximation within the effective frequency range; a transmitter 300 for transmitting an effective frequency signal to be transmitted to the electronic tag 208-1 to the antenna 309; a receiver 302 for reading and recognizing information of the electronic tag 208-1 received through the antenna 309; an external communication unit 307 for communicating with the controller, e.g., for converting the information read and recognized from the receiver 302 into a digital signal, storing the information in the memory while detecting a signal of the information, and transmitting the information to the controller 308 in the an artificial satellite and a GPS satellite; and a power supply for supplying power to respective blocks constituting the RFID reading device 208 of Fig. 23.

Fig. 25 is an output result after the process of extending and modulating a frequency with a frequency band of 13OdBm and changing a center frequency. Here, the output result illustrates the width 500 and state 501 of a pulse for a frequency in the generation process and a shape of extension and modulation.

Fig. 26 is a view illustrating STDMA (Self-organized Time Division Multiple Access) that is a frequency transmitting mode. The STDMA is a frequency channel communication system of an automatic identification system (AIS) such as satellites, GPS satellites, airplanes and ships. The STDMA is a digital VHF wireless transponder that is a transmission operating system in the emergency SOS transmitter 80 of Fig. 4. The GPS terminal of the present invention has the function of transmitting various types of information at different information renewal rates using beacon signals identical with the transmission functional structure of the AIS.

The renewal period of static information is performed every 6 minutes or as necessary. The static information includes an IMO identification number (MMSI), a call sign, a victim's name, the location and state of the victim, and the like. In an SOS system, location information from artificial and GPS satellites is automatically input, and the location information is transmitted to navigating airplanes and ships every 2 to 12 seconds. The information in the SOS system includes standard time, location information precision such as longitude and latitude, victim's body temperature, fluid speed, additional information, and the like.

As an example, a continuous mode is maintained without any interruption of navigating airplanes and ships.

According to a conventional paper (See "Studies on frequency application for new radio communication", by Information and Communication University, Korea, 2001-18, 2002. 1, pp. 256-257), two VHF frequency channels 87B and 88B are used to communicate between airplanes, or ships and a base station. Here, each of the channels has a transmission rate of 9600bps, and about 2000 (2,250) information may be transmitted per minute.

The AIS includes two individual receivers and one transmitter. The receiver may simultaneously receive information from two channels. The transmitter alternately transmits two channels. An artificial and GPS satellite receiver provides various information data for exact time received from a victim, victim's location, drifting condition and the like to navigating airplanes, ships and a seashore base station in real time. A communication processor of AIS for ships linked with the receiver transmits the information together with data from a ship sensor, static data, navigation data and the like, and receives information from other ships and an earth base station to display the information on a monitor.

In this process, the AIS for seashore base station receives information from each ship to display it on a monitor. The AIS transmits information related to an SOS system transmitted from a victim to respective ships, and transmits the information to other institutions via networks as necessary.

The AIS developed for airplanes employs A TDMA or STDMA mode so as to maximize the application of channels. That is, the TDMA or STDMA mode is a mode for allowing all airplanes and ships having a built-in AIS to perform time- slot allocation during one reference time. Artificial and GPS satellite time is mainly used in the TDMA or STDMA mode. In the TDMA or STDMA mode, data communication, such as mutual location report between requestors and the like, is possible through the same wireless frequency channel.

If the same channel is divided into 2250 time intervals to be allocated to respective ships and information is transmitted at the respective time intervals, other requestors can simultaneously receive the information. In a receiving mode, a location report period is set depending on a navigation condition such as the speed of a ship, a ship bow acceleration ratio and the like. The STDMA mode shown in Fig. 26 is a mode in which an appropriate time interval for transmission can be self-controlled for each requestor while avoiding a discord between the requestors.

Fig. 27 is a view illustrating the development expectation of a next- generation mobile communication network using a frequency band according to the present invention.

In a further information communication network, as high-speed internet is more extended based on the integration of wire/wireless communication, Internet will be a universal service. The frequency (Hz) of a GPS terminal for rescue implements a frequency extension system having a WLAN frequency band center frequency based on IEEE 802.11a and HIPERLAN2 physical layer to be linked with DSR_Software defined radio by UWB frequency extended modulation and wave amplification transmission, UWB wireless communication system, UWB wireless subscriber network (B-WLL) and BMWS_broadband multimedia wireless service, using 5GHz mm frequency band formed in a pulse width of 13OdBm. Accordingly, the integration of services additionally using wire/wireless satellites is required.

In the future information communication network, the integration of wire/wireless communication is obtained through a well-known scheme. This will be briefly described below.

In the future mobile communication network, it can be expected that a transmission speed of a few tens Mbps higher than the second and third generations is required to satisfy speed and mobile range, mobility and communication range higher than a wireless network such as a wireless LAN having limited range and mobility is required.

Thus, it can be expected that a UWB multimedia service with the same service quality as wire networks at a transmission speed of a few tens or hundreds Mbps is provided using 5Ghz mm band in the wireless LAN, and a public wireless access network (or wireless metropolitan area network) as well as a conventional private wireless network is developed to communicate with the UWB mobile network.

Fig. 28 illustrates a frequency distribution of a weather radar.

Since an interference between the same channel and adjacent channels occurs, a modeling operation through the signal analysis of the weather radar is required to analyze the inference effect of the radar influencing WLAN. Additionally, the present condition for an electric wave environment is required. This is because an interference source can determine whether or not an interference of a signal source with the same channel or adjacent channels occurs. Fig. 29 is a view illustrating vector degrees for an output voltage of a phase detector in a combiner actually implemented by the phase detector depending on a notch depth in the frequency modulation output A-2 of Fig. 26.

In the design and use of an amplifier in the frequency modulation output A-2 of Fig. 26, a frequency band is the most important. With the development of wide band technologies, UWB elements having a bandwidth of 10GHz or more, such as MPM (Microwave Power Module) are used. However, the use of the UWB elements is very limited, and price is high. Thus, it is not suitable for general use. An amplifier used for communication has a bandwidth of a few tens MHz or so, and is generally designed and used to perform an optimal operation within a limited bandwidth. The used bandwidth is first limited by a gain-bandwidth product that is a correlation between a gain and a bandwidth. Such a bandwidth characteristic is generally provided in detail to data of an used element (an amplifier transistor) . Linear and nonlinear characteristics and the like are used as general characteristic in a band, and planarity in a band is also one of important factors. If an excessive ripple component or slope exists in a band, it is difficult to use the amplifier due to the distortion of a signal regardless of the amplification of the signal. In general, the planarity in a band is limited within +/- IdB.

In the frequency modulation output A-2 of Fig. 26, the test condition for an output voltage of the phase detector in the combiner actually implemented by the phase detector depending on a notch depth is a case where notch depths of 10, 20 and 3OdB is applied by changing the notch frequency in a main path from 50 to 90MHz in the state that a notch frequency of 70MHz is fixed in a diversity reception path. Such a selection is performed because the actually implemented wireless relay system modulates a STM-I (155.520Mbps) signal into 64-QAM and then transmits an IF frequency of 70MHz within a channel band of 40MHz. As shown in this figure, it can be seen that the vector sum is changed depending on a fading notch depth. This is a factor that characteristics of the combiner are degraded.

Fig. 30 illustrates gain and output characteristics by an amplifier in Figs. 26 and 29 according to the present invention. A gain that is an amplification degree of an input signal is the most important in characteristics of the amplifier. Such a gain value is determined, considering power required in an output and the level of power to be input. The gain value may be expressed by the following expression:

Here, P_out denotes an output power of a power amplifier, GA denotes a gain of the power amplifier, and Pi_n denotes an input power of the power amplifier.

Practically, the input or output of the power amplifier is limited to a level applicable depending on an element (e.g., GaAs FET, LDMOS or the like) for amplification. A signal level suitable for such characteristics should be applied for the purpose of stable and safe operations of the power amplifier. If an input signal is gradually amplified from a very low level, a signal is amplified by a gain possessed by the amplifier to be output. If an input signal of a certain level is applied, the gain is not maintained any more and then saturated. Such a characteristic is shown as a graph of Fig. 30 by the Expression (1.1).

In Fig. 30, a point at which an output is saturated is set as an output distant from IdB on an extension line of a gain characteristic curve. The point refers to IdB compression point (CP), and is set as a reference point of the maximum output. Since the amplifier is saturated at this point, the lifespan of the amplifier is reduced in a case where an input is continuously increased or the amplifier is used at this point for a long period of time. Since the nonlinear characteristic is rapidly degraded, the amplifier is not used at this point. The appropriate maximum output should be set, considering specifications and characteristics required by a designer. However, the maximum output is used as a few or 1OdB lower than the IdB CP. The lowering an output lever is referred to as "back-off

Fig. 31 illustrates a correlation between efficiency and output of an amplifier depending on an operation mode in the output characteristic. In Fig. 31, the efficiency of the amplifier is one of the most important factors, and becomes a standard for determining how the design and fabrication of the amplifier is optimized.

The voltage and current of an active element is consumed by a bias for operation. The efficiency of the active element is a degree at which such a bias contributes to the output level of a real signal. As the nonlinear characteristic becomes worse, a rate when power is consumed in the generation of a high- frequency or mixed-modulation signal becomes higher than when power is consumed in the amplification of a signal. The operation mode of the amplifier shows efficiency characteristics depending on classification such as A, B, C and S. An expression representing such a efficiency is as follows:

(1.2)

In Expression (1.2), Pl denotes a basic output of an RF signal, and Pdc denotes consumption power of a bias applied for operation of the amplifier. Expression (1.2) is a definition for a generally expressed efficiency. However, the characteristics of the amplifier are generally expressed using power added efficiency (PAE).

In Fig. 31, it can be seen that efficiency is changed depending on an operation mode of each amplifier. The operation mode is varied depending on a field in which an amplifier is used. Practically, amplifiers such as linear amplifiers are not completely linear. Thus, the amplifiers are linear as the meaning of minimizing nonlinear characteristics of the amplifiers. Representative ones in the nonlinear characteristics of the amplifier are a mutual modulation or mixed modulation signal and a higher harmonic wave signal. The two characteristics are transmission characteristics in which a signal is output by passing through the amplifier. Since the amplifier has a use bandwidth in the mixed modulation signal, the mixed modulation signal may be generated. If fl and f2 signals are applied as new frequency components output by two or more input signals and their higher harmonic wave components, an nfl±mf2 component may be output. Here, n and m are positive numbers.

Fig. 32 is a view illustrating frequency mixed modulation characteristic of a typical amplifier for transmission depending on an input signal intensity (dBm) when operation emergency rescue (ON) in the GPS terminal for rescue according to the present invention. In Fig. 32, two large signals in the middle are input signals, and small signal components at the left and right of the large signals are distortion signals generated due to the mixed modulation characteristic. When designing an amplifier, such components are provided from data sheets. In a case where an amplifier for small signals, the components are estimated using intercept points (IPs) when such data does not exist.

The generation of a higher harmonic wave is representative one of the nonlinear characteristics. The higher harmonic wave is generated not only in an amplifier but also in an element such as a signal mixer. If an fl signal is applied as an input, a higher harmonic wave component generated in an amplifier is output as a signal having an nfl component. Such a high- frequency distortion is generally measured with total harmonic distortion (THD). In the THD, the high-frequency distortion is shown as a ratio of the sum of higher harmonic component signal power with respect to input signal power.

There are limited EPC (Electronic Product Code) in EAN (European Article Number/ Eroupe) and UCC (Uniform Code Council/ North America), leading international product marking barcode standard, and limited u-ID (ubiquitous-ID) in Japan. According to these definitions, in a u-sensor network as a U-tag network system having a frequency as an energy source, a tag (sensor) having an antenna and a reader having an antenna are linked with information communication networks such as BcN. The tag and reader are connected to each other using a frequency, and operated by receiving an energy- source itself or energy to be operated from a reception frequency.

If the reader transmits an electric wave to the tag, the tag obtains energy from the received electric wave to be activated. The activated tag transmits its own information to the reader.

Here, Fig. 33 is a schematic view of a u-tag network system.

In Fig 33, the u-tag network system having a frequency as an energy source is described in RFID technologies utilizing electronic tags. In the u- sensor network defined above, an antenna tag (sensor) attached to the GPS terminal 10 of Fig. 3 and a reader attached to the satellite antennas 31, 31-1 and 31-2 are bi-directionally linked with the information communication network such as BcN. The tag and reader are connected to each other using a frequency, and operated by receiving an energy source itself or energy to be operated from a reception frequency. INDUSTRIAL APPLICABILITY

The frequency extension and modulation complex multifunction system in the frequency band (13OdBm) of the GPS terminal for rescue in accordance with the present invention forms the front plate which transmits and receives the frequency transmitted in the GPS terminal for rescue in the process of inducing and sharing the interspace-VLBI and coupling method in the frequency band (13OdBm) and the rear plate which is contacted with the tag (RFID) of the HDX frequency extension and modulation. So, since the suggested method can be applied when the interspace-VLBI and coupling method are secured using the frequency band (13OdBm) signal having nearly same signal intensity from all satellites in order to obtain the radio wave extension modulation and frequency micro wave amplification in a real GPS satellite signal system between satellites, there is no limitation in the noise space vector dimension and the size of the covariance matrix is reduced so that the calculation complexity is reduced and the embodiment can be easy.

Further, the frequency of the antenna which is applied to the RFID system generally uses various frequency bands from a low frequency band of 125 KHz to a micro wave band of 5.8GHz. However, the micro wave has a severe diffraction phenomenon in a material having the same size as a wavelength in a complex earth atmosphere environment such as a multiple path error, a satellite orbit error and clock error, a convective zone error, an ionospheric zone error, etc. Resultantly, when the wavelength becomes short, it is affected in a large scale by the environment so that it is rarely practical in frequencies above 2GHz.

Accordingly, there is an effect that a cause of the same signal intensity frequency is embodied from the channel estimation algorithm which has a reduced complexity in the DS /CDMA DMA downward link (point to multipoint) by coupling a partial space channel algorithm with a match filter. For example, in the case of the point and multipoint system such as a digital multimedia broadcast (DMB), a practical assumption can be generally made as follows. First, the downward link signal is synchronized in a transmission stage and has the same signal power. Second, the downward link signal passes the same radio propagation channel.

The point-to-multipoint mobile receiver adopted in the frequency extension and modulation complex multifunction system in the frequency band (13OdBm) of the GPS terminal for rescue in accordance with the present invention knows diffusion code of all channels. Since the suggested method has a property in which a communication region needed to make the HDX radio propagation extension and modulation of the tag (RFID) becomes far as the frequency of the signal becomes low, it can be applied when the interspace- VLBI and coupling method are secured using the frequency band (13OdBm) signal having nearly same signal intensity from all satellites in order to obtain the radio propagation extension and modulation and frequency propagation amplification in the real GPS satellite signal system between satellites.

Additionally, by forming the head unit for supporting the frequency propagation amplification transmission of the microstrip fetch antenna by attaching the Iris to the body, the practical GPS satellite signal system can be applied between the satellites when the interspace-VLBI and coupling method are secured using the frequency band (13OdBm) signal having nearly same signal intensity from all satellites in order to obtain the radio propagation extension and modulation and frequency propagation amplification, there is an effect that a method for changing the frequency propagation amplification can be embodied where the fetch itself is changed in a three dimension configuration by attaching the Iris to the microstrip fetch antenna.

Consequently, a limitation of a coding method and a digital modulation method suitable to the channel state in order to effectively make a transmission in the RF frequency band limited by the cascade HBT-MMIC propagation amplification theory having a high gain and a low noise index can be overcome. Further, while a merchandise development of a module by the MMIC and RFIC meeting a low price, a high performance and a miniaturization of the RF module adapted to a high speed broad band property is not realized but under investigation, it will be substituted with the present invention.

The present invention includes a location based service having a transmission function of the emergency rescue signal capable of forming the radio propagation extension modulation and frequency propagation amplification by being attached to a middle portion of the body front plate or the head unit, and capable of converting this into a multiple language voice information service, so that it is possible to embody a multiple language voice information service.

While the GPS terminal having the interspace-VLBI and the coupling method function capable of frequency transmission and reception output cross for the frequency band (13OdBm) having nearly same signal intensity from all satellites in order to obtain the radio propagatin extension modulation and the frequency propagation amplification in the real GPS satellite signal system between satellites having specific shape and configuration is described with reference to the accompanying drawings, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.

Claims

WHAT IS CLAIMED IS:

1. An ultra wide band frequency extension and modulation complex wireless communication system, comprising: a body including a front plate which transmits and receives a frequency through wavelength of an output stage in the process that a disaster rescue GPS frequency introduces and shares a method of coupling with a very long baseline interferometry using a wavelength of an electric propagation occurred from an ultra wide band frequency extension and modulation which usesδGHz millimeter wave frequency band formed in 13OdBm pulse width, and a rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation; a head unit for attaching an Iris on a head of the body and supporting a frequency propagation amplification transmission of a microstrip fetch antenna; and a location based service LBS server attached to a middle portion or the head unit of the front plate of the body, having a function of transmitting an emergency rescue signal and converting the signal into a multi-language voice information service, wherein the disaster rescue GPS frequency which forms the electric wave propagation extension and modulation and the frequency propagation amplification on the body and head unit uses 5GHz millimeter wave frequency band formed in 13OdBm pulse width.

2. The complex wireless multifunction system according to claim 1, wherein the body is comprised of the front plate which transmits and receives a frequency transferred from the disaster rescue GPS terminal in a process of introducing and sharing a coupling scheme with the Very long baseline interferometer using the electric wave propagation occurred from wavelength of the ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band in which the GPS frequency is formed 13OdBm pulse width, and the rear plate which is contact with an electronic tag RFID of an HDX frequency extension and modulation, and the head unit attaches an Iris on a head of the body and supports a frequency propagation amplification transmission of a microstrip fetch antenna.

3. The complex wireless multifunction system according to claim 1 or 2, wherein the frequency modulator which modulates electric wave propagation occurred from the wavelength of the ultra wide band frequency extension and modulation which the disaster rescue GPS terminal uses 5GHz millimeter wave frequency band in which the GPS frequency requested is formed in 13OdBm pulse width and has the same oscillator as the VCO, includes an automatic frequency detection circuit for comparing in phase a fixed frequency signal which is less than the carrier frequency with a signal which is divided by an output of the voltage control oscillator which oscillates at a frequency which is several times of the frequency, a VCO whose input is an error voltage which is output of the frequency detection circuit, an error current producer which changes output error voltage of PLL including a divider which divides the high frequency of the VCO to current, a feedback clamping circuit for receiving a reference signal to determine a clamping level of the low fixed frequency signal and an input signal whose frequency is to be modulated and clamps the input signal, and a frequency deflection /carrier frequency correction control circuit having an adder to add the error current and deviation current, whereby the input signal is frequency modulated with the set carrier frequency.

4. The complex wireless multifunction system according to claim 1 or 2, wherein a chip material forming the disaster rescue GPS terminal is formed in a HDX electric wave propagation method using the electric wave propagation occurred from the ultra wide band frequency extension and modulation which uses 5GHz millimeter wave frequency band in which the GPS frequency is formed in 13OdBm pulse width with the active tag on the rear plate in order that the victim can ware the terminal.

5. The complex wireless multifunction system according to claim 1 or 2, wherein an Iris is attached to the microstrip fetch antenna inserted to the disaster rescue GPS terminal, and a frequency with which the fetch itself is transformed in a three dimensional structure is processed in an electric wave amplification transmission method using remotely the electric wave propagation occurred from the wavelength of ultra wide band frequency extension and modulation using 5GHz millimeter wave frequency band in which GPS frequency is formed in 13OdBm pulse width.

6. The complex wireless multifunction system according to claim 1 or 2, wherein the frequency of the emergency rescue signal transmitted from the disaster rescue GPS terminal is transformed in a multiple language voice information service through a location based service which is a GIS core technology formed in a complex function.