TH86850A - Radio service in a closed environment - Google Patents

Abstract

DC60 The presence of a common repeater in any communication system, including one base station and one mobile unit. Will make the communication system connected Communication between the base station and the mobile unit is located in a relatively closed environment, thus preventing High-frequency radio communication occurs between the base station and the mobile unit. One linear two-way frequency converter, one plus a high frequency port to It is a two-way connection to the base station. Along with a low frequency port to provide a two-way connection with Low frequency signals that can distribute radio frequency energy through a closed environment. That low frequency port The repeater is connected to one cable which radiates and receives low radio frequency energy within a closed environment. The repeater includes the other antenna. In order to be a connection Wireless to cable It is also equipped with a second linear two-way frequency converter, one of which has a low frequency port connected to an antenna. So as to connect the two The way to low frequency signals With a high frequency port In order to be a two-way connection, the signal that It is compatible with the high radio frequency signals that the communication system is using. One second antenna It is connected to the high frequency port of the linear type frequency converter, two way. A two-way linear type, that second machine and one of the closest moving units. The presence of a common repeater in a particular communication system, including one base station and one mobile unit. Will make the communication system connected Communication between the base station and the mobile unit is located in a relatively closed environment, thus preventing High-frequency radio communication occurs between the base station and the mobile unit. One linear two-way frequency converter, one plus a high frequency port to It is a two-way connection to the base station. Along with a low frequency port to provide a two-way connection with Low frequency signals that can distribute radio frequency energy through a closed environment. That low frequency port The repeater is connected to one cable which radiates and receives low radio frequency energy within a closed environment. The repeater includes the other antenna. In order to be a connection Wireless to cable It is also equipped with a second linear two-way frequency converter, one of which has a low frequency port connected to an antenna. So as to connect the two The way to low frequency signals With a high frequency port In order to be a two-way connection, the signal that It is compatible with the high radio frequency signals that the communication system is using. One second antenna It is connected to the high frequency port of the linear type frequency converter, two way. A two-way linear type, that second machine and one of the closest moving units.

Claims (7)

Disclaimer (all) which will not appear on the advertisement page: 1. In communication system including at least one base station. And at the very least One mobile unit, both operating at high radio frequencies, a repeater system to provide Link the communication between the base station and the mobile unit. When the mobile unit is in the environment Relatively closed to high radio frequency communications between the base station and the mobile unit, the repeater system is included. One linear two-way frequency converter, including High frequency port for two-way connection to the base station; And a low frequency port for a two-way connection to a low frequency signal for radiating energy. Radio frequency through closed environment Cable transmission path Connected to the low frequency port of the linear frequency converter Two-way, one, and located in a closed environment for low frequency radiating and receiving Within closed environment First antenna for wireless connection to cable trajectory. A second linear two-way frequency converter including A low frequency port connected to the first antenna for Two-way Connection to Low Frequency Signal High frequency port for two-way connection to signals compatible with the signal. High radio frequencies used by communication systems; And the second antenna that is connected to the port High frequency of two linear type frequency converter The second way; And a third linear two-way frequency converter, located in a closed environment, combined with a low-frequency port connected to the cable trajectory. For a two-way connection with low frequency signals; And a high frequency port for two-way connection With signals that can be compatible with the signal High radio frequencies used by communication systems; And a third antenna connected to the high frequency port of the two linear frequency converters The third machine 2. The repeater system of Claim No. 1 where the environment is closed. Subway station 3. Claim repeater system No. 1, where the closed environment is the building 4. Claim repeater system No. 1, where the closed environment is mine 5. Claim repeater system Article 1 where the environment is closed is a drain. 6. Repeater system of claim No. 1 where the first antenna, the converter A second linear two-way frequency, and a second antenna were placed on the vehicle, and the arrangement of the cable trajectory within a closed environment combined with distribution along the route. Expect vehicle's passing through a closed environment. 7. Repeater system of claim No. 1, which includes additional Fourth, two-way linear frequency converter, located in a closed environment, in combination with a low-frequency port connected to the cable-routing path for Two-way connection with low frequency signals; And a high frequency port for a two-way connection to a signal that is compatible with the signal. High radio frequencies used by communication systems; And the fourth antenna connected to the high-frequency port of the two-way linear frequency converter. Fourth, where the fourth linear-type frequency converter operates at a synchronized frequency. To obtain a fixed offset from the frequency used by a third linear two-way frequency converter and where the third antenna And a fourth string was placed within an enclosed environment so that The first cell is formed within the enclosed environment. 8. Repeater system of claim 6, whereby the arrangement of the cable path. Within closed environment Also included is the distribution where the moving unit is expected to be taken 9. The repeater system of Clause 6 where the closed environment is the building, and where the vehicle is the elevator in the building. 1 0. Repeater system of claim 6, where the enclosed environment is a subway system consisting of a station platform connected by train tunnels, and where vehicles are locomotives in the system. Subway 1 1. Repeater system of claim No. 6 where linear type frequency converter Two-way, second machine And each third machine has a respective transmission frequency And machine frequency Synchronous, respectively, and then linear two-way frequency converters. Second machine And the third is controlled to make its respective transmission frequency be compensated for a predetermined quantity from its respective synchronous type converter frequency, thus producing a motion pattern. Fed 1 2. The repeater system of claim 10, where the signal is directed by the transmission path. The cable is relative to the first base station, and where the ends of the cable trajectory are overlapped. Overlap the corresponding end of the cable transmission path to relate to the second base station, the overlap area will suffice. To allow vehicles to pass through the ends of the cable trajectory The pair went in unison for at least several seconds. When the vehicle is driving at speed The predefined distance from the cable transmission path associated with the first base station, and approached the cable transmission path associated with the second base station, in order to allow service forwarding. From one base station to the second base station 1 3. In a communication system including at least one base station And at the very least One mobile unit, both operating at high radio frequencies, a repeater system for providing Link the communication between the base station and the mobile unit when the mobile unit is located in the environment. Relatively closed to radio frequency communications between base stations and mobile units, repeater systems Including signs One linear two-way frequency converter, including High frequency port for two-way connection to the base station; And a low frequency port for a two-way connection to a low frequency signal for radiating energy. Radio frequency through closed environment Cable path connected to the low frequency port of linear frequency converters. Two-way, one, and located in a closed environment for low frequency radiating and receiving Within closed environment First antenna for wireless connection to cable trajectory. A second linear two-way frequency converter including A low frequency port connected to the first antenna for Two-way Connection to Low Frequency Signal High frequency port for two-way connection to signals compatible with the signal. High radio frequencies used by communication systems; And a second antenna connected to the high frequency port of the two linear frequency converters The second way; And a third antenna, connected to the high frequency port of the two linear frequency converters On the first device, for a wireless connection to at least one base station. 4.In a communication system including at least one base station and at least One mobile unit, both operating at high radio frequencies, a repeater system for providing Link communication between base stations And the moving unit when the moving unit is located in the environment Relatively closed to radio frequency communications between base stations and mobile units, a repeater system is included. One linear two-way frequency converter with a high frequency port for two-way connection to the base station; And a low frequency port for a two-way connection to a low frequency signal for radiating energy. Radio frequency through closed environment Cable path connected to the low frequency port of linear frequency converters. Two-way, one, and located in a closed environment for low frequency radiating and receiving Within closed environment First antenna for wireless connection to cable trajectory. A second linear two-way frequency converter including A low frequency port connected to the first antenna for Two-way connection to low frequency signals High frequency port for two-way connection. With signals that can be compatible with the signal High radio frequencies used by communication systems; And the second antenna that is connected to High frequency port of two linear type frequency converters The second way; And the second cable trajectory, linked to the high frequency port of the frequency converter. One, two-way linear type, for connection to at least one base station 1 5. In a communication system including a base station And moving units, both operate at High radio, method for communication between base stations And the moving unit when the moving unit is located in The environment is relatively closed to high radio frequency communications between Base station and mobile unit, assembled with the steps of Using a second antenna to receive a high radio frequency signal from the mobile unit. Linear conversion to high radio frequency signals Received as a low frequency signal for Exposure of radio frequency energy into a closed environment. Low frequency radiations from the first antenna Using a cable transmission path to receive low frequency signals within a closed environment. Low frequency linear conversion Received to be a high radio frequency signal of the base station; And output of high radio frequency signals of the base station to the base station, whereby the procedure of the high radio frequency signal output Of base station to base station consists of high frequency transmission of base station to base station via air interface 1 6. In a communication system which combines base stations and mobile units, both operate at high radio frequencies, repeater systems for providing a communication link between the base station and the unit. Mobile when the moving unit is in its surroundings That is relatively closed to high radio frequency communications Between the base station and the mobile unit, a repeater system is included. One linear two-way frequency converter, including A high frequency port for a two-way connection to one that is compatible with the high radio frequencies used by communication systems; And a low frequency port for two-way connection to low frequency signals Which is the frequency for Radiates radio frequency energy through a closed environment. First antenna, linked to the high frequency port of the frequency converter. One linear two-way, one for receiving and transmitting high-frequency radio signals. Cable path connected to the low frequency port of linear frequency converters. Two-way one, and located in a closed environment for low frequency broadcasting Within closed environment A second linear two-way frequency converter, located in a closed environment, in combination with a physically connected low frequency port to the cable transmission path. For a two-way connection With low frequency signals; And a high frequency port for a two-way connection to a second high-frequency signal Be compatible with the high radio frequencies used by communication systems; And the second antenna that is connected to High frequency port of two linear type frequency converters Second engine 1 7. In a communication system including at least one base station And at the very least One mobile unit, both operating at high radio frequencies, a repeater system for providing Link communication between base stations And the moving unit when the moving unit is located in the environment Relatively closed to high radio frequency communications between the base station and the mobile unit, the repeater system is included. One linear two-way frequency converter, including High-frequency port for two-way connection to the signal. Which has a frequency that can be compatible with High frequency signals are used by communication systems; And a low frequency port for a two-way connection to a low frequency signal, which provides a frequency for radiating radio frequency energy through a closed environment. The path is transmitted through one of the cables connected. With the low-frequency port of the frequency converter type Linear, two-way, one machine, and located within a closed environment for Frequency signal distribution Low within a closed environment Second linear two-way frequency converter, located in a closed environment, in combination with a low-frequency port connected to the cable trajectory. For a two-way connection with low frequency signals; And a high frequency port for a two-way connection to a signal that is compatible with the signal. High radio frequencies used by communication systems The first antenna that is connected to High frequency port of linear type frequency converter A second, two-way, and in a closed environment to serve the first cell in the communication system. High-frequency port for a two-way connection with a frequency signal. That can be compatible with High frequency signals are used by communication systems; And a low frequency port for a two-way connection to a low frequency signal, which provides a frequency for radiating Radio frequency energy through a closed environment The path is transmitted through the second cable connected. With the low-frequency port of the frequency converter type A third linear, two-way, and located within a closed environment for frequency signal distribution. Low within a closed environment Fourth linear two-way frequency converter, located in a closed environment, in combination with a low-frequency port connected to the path. Pass through a second cable for a two-way connection with Low frequency signal; And a high frequency port for two-way connection With signals that can be compatible with the signal High radio frequencies used by communication systems; And a second antenna connected to the high frequency port of the two linear frequency converters The fourth antenna is positioned within a closed environment to serve the second cell, where the second antenna is positioned within the enclosed environment where the segment Of the second cell overlaps the portion of the first cell, where the forwarding of services between the base stations is One and the second base station serving the first cell And the second, respectively, will be able to produce results when the unit Moving between first and second cells