CN101902815B - Repeater and mobile positioning system - Google Patents
Repeater and mobile positioning system Download PDFInfo
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- CN101902815B CN101902815B CN 201010229773 CN201010229773A CN101902815B CN 101902815 B CN101902815 B CN 101902815B CN 201010229773 CN201010229773 CN 201010229773 CN 201010229773 A CN201010229773 A CN 201010229773A CN 101902815 B CN101902815 B CN 101902815B
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Abstract
The invention discloses a repeater and a mobile positioning system and belongs to the technical field of mobile digital TV broadcast. The repeater comprises a radio frequency module and a repeater ID generating module, wherein the radio frequency module comprises a donor antenna and a service antenna. An ID is added to the repeater through the repeater ID generating module, so that a mobile terminal positioned in a coverage area of the repeater can acquire the ID of the repeater, determine the position of the repeater according to the ID of the repeater and position the mobile terminal according to the position of the repeater. Therefore, positioning deviation of the mobile terminal is reduced and precise positioning for the mobile terminal is realized.
Description
Technical field
The present invention relates to the mobile digital broadcast television technical field, particularly a kind of repeater and movable positioning system.
Background technology
In the mobile digital broadcast television field, mobile terminal positioning technology be owing to can realize location to portable terminal, obtains the positional information of portable terminal and is widely used.Existing mobile terminal positioning technology mainly is to utilize from the base station transmitter antenna to the pseudo range measurement the mobile terminal antenna, resolves the position of portable terminal.Yet, in existing mobile digital broadcast television system, in order to guarantee the normal broadcast singal that receives from the base station of portable terminal, the region division that can't directly cover in some base stations the repeater, the zone that can't directly cover in the base station, by the signal between transmission base station, repeater and the portable terminal, guarantee the normal broadcast singal that receives from the base station of portable terminal.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Because the overlay area of base station has been expanded in the repeater, and existing repeater only has signal enhancing and forwarding capability, when portable terminal is positioned at the overlay area of repeater, as still according to the base station transmitter antenna to the pseudo range measurement between the mobile terminal antenna, resolve the position of portable terminal, then can increase the deviations to portable terminal.
Summary of the invention
The problem that increases in order to solve the deviations to portable terminal that the repeater brings, the embodiment of the invention provides a kind of repeater and movable positioning system.Described technical scheme is as follows:
A kind of repeater comprises radio-frequency module, and described radio-frequency module comprises donor antenna and service antenna, and described repeater also comprises:
Repeater ID generation module for generation of repeater ID, and after the repeater ID that produces is converted into radiofrequency signal, is launched by the service antenna in the described radio-frequency module.
A kind of movable positioning system comprises base station, portable terminal, mobile positioning center location-server, and described system also comprises above-mentioned repeater
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
Add ID by repeater ID generation module to the repeater, so that when portable terminal is positioned at the overlay area of repeater, can obtain the ID of repeater, determine the position of repeater according to the ID of repeater, position according to the repeater positions portable terminal, reduced deviation that portable terminal is positioned, realized portable terminal is accurately located.
Description of drawings
Fig. 1 is the structural representation of a kind of repeater of providing of the embodiment of the invention 1 and 2;
Fig. 2 is the structural representation of a kind of repeater of providing of the embodiment of the invention 1;
Fig. 3 is the structural representation of a kind of repeater of providing of the embodiment of the invention 2;
Fig. 4 is the structural representation of the first repeater of providing of the embodiment of the invention 3;
Fig. 5 is the structural representation of the second repeater of providing of the embodiment of the invention 3;
Fig. 6 is the structural representation of the third repeater of providing of the embodiment of the invention 3;
Fig. 7 is the structural representation of the first repeater of providing of the embodiment of the invention 4;
Fig. 8 is the structural representation of the second repeater of providing of the embodiment of the invention 4.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Repeater of the present invention specifically can be applied to broadcast world, as broadcast direct broadcast station, also can be used for the communications field, as communication repeater station.Following embodiment 1 and 2 is applied to broadcast world with it, is that example is specifically described as broadcast direct broadcast station; Embodiment 3 and 4 is applied to the communications field with it, is that example is specifically described as communication repeater station.
Embodiment 1
Referring to Fig. 1, the embodiment of the invention provides a kind of repeater, comprising: radio-frequency module 20 and repeater ID (Identification, identifier) generation module 30.
Radio-frequency module 20 is used for realizing enhancing and the forwarding of digital broadcast signal between base station and the portable terminal.
The same with the traditional broadcast repeater, radio-frequency module 20 main enhancing and the forwarding capabilitys of realizing digital broadcast signal between base station and the portable terminal.Particularly, referring to Fig. 2, radio-frequency module 20 comprises: donor antenna 201, the first band pass filter 202, low noise power amplifier module 203, power amplifier (PA, Power Amplificatory) module 204, the second band pass filter 205, service antenna 206, control module 207 and power module 208.
Particularly, the base station is in the process of portable terminal emission digital broadcast signal, and donor antenna 201 picks up broadcast singal from the overlay area of existing base station, broadcast singal is sent to the first band pass filter 202; The logical outer signal of 202 pairs of bands of the first band pass filter carries out fabulous isolation, suppresses band stray and interference signal, obtains filtered broadcast singal, and filtered broadcast singal is delivered to low noise power amplifier module 203; 203 pairs of filtered broadcast singals of low noise power amplifier module carry out low noise amplification, to improve the signal noise ratio of complete machine, the quality of ensuring coverage district signal; The signal that power amplifier module 204 was processed the low noise power amplifier module further is amplified to the specified power level, i.e. the required signal level intensity of system, and then after 205 filtering of the second band pass filter, give service antenna 206, launched by service antenna 206.Control module 207 is used for the operating state of Real-time Collection repeater modules, the parameters of modules in the control repeater, detect modules in the repeater relevant warning, with warning message, be transmitted to centralized monitor administrative center.Power module 208 is used for providing energy.
Repeater ID generation module 30 for generation of repeater ID, and after the repeater ID that produces is converted into radiofrequency signal, is launched by the service antenna 207 in the radio-frequency module 20.
Particularly, repeater ID can launch with digital broadcast signal.Receive the repeater ID of repeater ID generation module 30 emissions when the portable terminal that needs positioning service that is arranged in this overlay area, repeater after, the mobile positioning center location-server repeater ID returned to the mobile positioning center location-server, so that can utilize repeater ID that it is positioned.
Wherein, repeater ID in the present embodiment is the identity numbering of repeater, the corresponding repeater ID in each repeater, and each repeater has fixing position, can determine a repeater and position thereof by a repeater ID, so the repeater ID in the present embodiment is specially position, repeater ID.Produce repeater ID by repeater ID generation module 30, be equivalent to add ID to each repeater.
Particularly, when repeater ID was position, repeater ID, referring to Fig. 2, repeater ID generation module 30 can comprise:
Position, the first repeater ID generation unit 301 is for generation of position, repeater ID.
First information modulating unit 302 is used for position, the repeater ID that position, the first repeater ID generation unit 301 produces is carried out coded modulation, generates position, repeater ID baseband signal.
The first band spectrum modulation unit 303, the pseudo noise code that is used for position, repeater ID baseband signal that first information modulating unit 302 is produced and pseudo-random sequence generator 304 generations multiplies each other or mould two adds, and produces the speed spread-spectrum signal identical with pseudo noise code.
Pseudo-random sequence generator 304 is for generation of pseudo noise code.
Wherein, pseudo-random sequence generator 304 can be by pseudo random sequence generation unit and oscillator realization, and specific implementation process and prior art are similar, repeat no more herein.
The first Carrier Modulation unit 305 is used for the spread-spectrum signal that the first band spectrum modulation unit 303 produces is carried out Carrier Modulation, obtains radiofrequency signal.
The first power amplifier 306 after being used for the radiofrequency signal that the first Carrier Modulation unit 305 obtains amplified, is launched by the service antenna 209 in the radio-frequency module 20.
Wherein, receive the radiofrequency signal of service antenna 206 emissions when the portable terminal that needs positioning service that is arranged in this overlay area, repeater after, radiofrequency signal is carried out demodulation obtain spread-spectrum signal, spread-spectrum signal is carried out despreading obtain position, repeater ID, thereby determine the overlay area that this portable terminal is positioned at the repeater, and this position, repeater ID is transmitted to the mobile positioning center location-server, so that the mobile positioning center location-server can position portable terminal according to directly putting position ID.
Particularly, according to position, repeater ID portable terminal is positioned at least and can adopt following method:
Obtain the position of repeater according to position, repeater ID; According to the position of repeater, utilize existing pseudorange method to determine portable terminal with respect to the pseudorange of repeater, and the position of resolving portable terminal.
Need to prove, be not limited to said method and realize the location, can also utilize other any feasible methods realizations in the prior art.
The described repeater of the embodiment of the invention, add ID by position, the first repeater ID generation unit to the repeater, so that when portable terminal is positioned at the overlay area of repeater, can obtain position, repeater ID, determine the position of repeater according to position, repeater ID, position according to the repeater positions portable terminal, has reduced deviation that portable terminal is positioned, realizes portable terminal is accurately located.More accurate indoor positioning can be carried out to heavy construction, skyscraper in repeater by the embodiment of the invention, differentiates the same plane zone of different floors, can realize the seamless location of indoor and outdoor.And exist in the situation of a plurality of repeaters in the coverage of a base station, can distinguish the coverage which repeater portable terminal is positioned at, be applicable to exist in the coverage of a base station situation of a plurality of repeaters.
Embodiment 2
Overlay area with the repeater in the present embodiment is divided into N sub-overlay area, subcovering zone ID for a correspondence of each subcovering region division, can determine a concrete zone and position thereof by each subcovering zone ID, wherein N is positive integer, and the concrete value of N can be set according to the practical application situation.Referring to Fig. 1, the embodiment of the invention provides a kind of repeater, and this repeater comprises: radio-frequency module 40 and repeater ID generation module 50.
Radio-frequency module 40 is used for realizing enhancing and the forwarding of digital broadcast signal between base station and the portable terminal.
Referring to Fig. 3, radio-frequency module 40 comprises: donor antenna 401, the first band pass filter 402, low noise power amplifier module 403, power amplifier module 404, the second band pass filter 405, a N service antenna 406, control module 407 and power module 408.Wherein, N is positive integer, and is identical with the value of the number in the subcovering zone of repeater.
Wherein, the radio-frequency module 40 of the present embodiment is with the difference of the radio-frequency module 20 of embodiment 1, the radio-frequency module 40 of the present embodiment comprises N service antenna 406, a sub-overlay area of the corresponding repeater of each service antenna, each service antenna for its corresponding subcovering zone provide service (namely strengthen and forwarding in this subcovering zone portable terminal and the digital broadcast signal between the base station).Other modules that comprise in the radio-frequency module 40 are similar to Example 1, repeat no more herein.
For example: the overlay area of repeater is divided into 3 sub-overlay areas is respectively: the first subcovering zone A1, the second subcovering zone A2, the 3rd subcovering zone A3.Correspondingly, radio-frequency module 40 comprises that 3 service antenna 409 are respectively first service antenna B1, second service antenna B2, the 3rd service antenna B3, and wherein first service antenna B1 is that the A1 service of the first subcovering zone, second service antenna B2 are that the A2 service of the second subcovering zone, the 3rd service antenna B3 are the A3 service of the 3rd subcovering zone.
Repeater ID generation module 50 for generation of repeater ID, and after the repeater ID that produces is converted into radiofrequency signal, is launched by the service antenna 406 in the radio-frequency module 40.
Particularly, repeater ID can launch with digital broadcast signal.Receive the repeater ID of repeater ID generation module 50 emissions when the portable terminal that needs positioning service that is arranged in this overlay area, repeater after, the mobile positioning center location-server repeater ID returned to the mobile positioning center location-server, so that can utilize repeater ID that it is positioned.
Wherein, repeater ID in the present embodiment is the identity numbering in the subcovering zone of repeater, each corresponding repeater ID in subcovering zone of each repeater, can determine subcovering zone and the position thereof of a repeater by a repeater ID, so the repeater ID in the present embodiment is specially subcovering zone, repeater ID.
Particularly, when repeater ID was subcovering zone, repeater ID, referring to Fig. 3, repeater ID generation module 50 can comprise:
Subcovering zone, the first repeater ID generation unit 501 is for generation of N repeater subcovering zone ID.
First information modulating unit 502 is used for N the repeater subcovering zone ID that subcovering zone, the first repeater ID generation unit 501 generates is carried out respectively coded modulation, generates subcovering zone, N repeater ID baseband signal.
The first band spectrum modulation unit 503, subcovering zone, N the repeater ID baseband signal that is used for first information modulating unit 502 is produced multiplies each other with the pseudo noise code of pseudo-random sequence generator generation respectively or mould two adds, and produces N the spread-spectrum signal that speed is identical with pseudo noise code.
Pseudo-random sequence generator 504 is for generation of pseudo noise code.
Wherein, pseudo-random sequence generator 504 can be by pseudo random sequence generation unit and oscillator realization, and specific implementation process and prior art are similar, repeat no more herein.
The first Carrier Modulation unit 505 is used for N the spread-spectrum signal that the first band spectrum modulation unit 503 produces carried out Carrier Modulation, obtains N radiofrequency signal.
The first power amplifier 506 after being used for N the radiofrequency signal that the first Carrier Modulation unit 505 obtains amplified respectively, is launched by the respective service antenna 406 in the radio-frequency module 40 respectively.
Need to prove, the radiofrequency signal that arbitrary service antenna 409 is launched, the portable terminal that is arranged in its subcovering zone of serving is received, the portable terminal that is arranged in other subcovering zones is received, the portable terminal that namely is arranged in this overlay area, repeater can be received M radiofrequency signal, M is positive integer, and M is less than or equal to N.
Receive M radiofrequency signal of service antenna 406 emissions when the portable terminal that needs positioning service in certain the subcovering zone that is arranged in this repeater after, M radiofrequency signal carried out respectively demodulation obtain M spread-spectrum signal, M spread-spectrum signal carried out respectively despreading obtain M repeater subcovering zone ID, thereby determine the overlay area that this portable terminal is positioned at the repeater, and M repeater subcovering zone ID can be transmitted to the mobile positioning center location-server, so that the mobile positioning center location-server can position portable terminal according to M repeater subcovering zone ID.
Particularly, according to M repeater subcovering zone ID portable terminal is positioned at least and can adopt following method:
Utilize M the repeater subcovering zone ID of acquisition for mobile terminal, obtain the grid characteristic parameter, utilize grid characteristic parameter matching technique, portable terminal is carried out hi-Fix.
Need to prove, be not limited to said method and realize the location, can also utilize other any feasible methods realizations in the prior art.
The described repeater of the embodiment of the invention, add ID by repeater subcovering zone ID generation module to each subcovering zone of repeater, so that when portable terminal is positioned at the overlay area of repeater, can obtain subcovering zone, repeater ID, determine the position in subcovering zone, repeater according to repeater subcovering zone ID, position according to subcovering zone, repeater positions portable terminal, reduced deviation that portable terminal is positioned, realized portable terminal is accurately located.More accurate indoor positioning can be carried out to heavy construction, skyscraper in repeater by the embodiment of the invention, differentiates the same plane zone of different floors, can realize the seamless location of indoor and outdoor.And exist in the situation of a plurality of repeaters in the coverage of a base station, can distinguish which coverage which repeater portable terminal is positioned at, be applicable to exist in the coverage of a base station situation of a plurality of repeaters.
Embodiment 3
Referring to Fig. 4, Fig. 5 and Fig. 6, the embodiment of the invention provides a kind of repeater, comprising: radio-frequency module 60 and repeater ID generation module 70.
Radio-frequency module 60 is used for realizing enhancing and the forwarding of signal of communication between base station and the portable terminal.
The same with the traditional communication repeater, radio-frequency module 60 main enhancing and the forwarding capabilitys of realizing signal of communication between base station and the portable terminal.Particularly, referring to Fig. 4, Fig. 5 and Fig. 6, radio-frequency module 60 comprises: donor antenna 601, first duplexer 602, descending low noise amplifier 603, downstream filter 604, downlink drive amplifier 605, descending high power amplifier 606, control module 607, the second duplexer 608, service antenna 609, up low noise amplifier 610, upstream filter 611, upper line driver amplifier 612, up high power amplifier 613 and power module 614.
Particularly, in down link (base station is in the process of portable terminal emission signal of communication), the original radio frequency signal that donor antenna 601 receives from the base station, the original radio frequency signal transmitting is entered descending low noise amplifier 603 behind the out-of-band signal of band pass filter filtering original radio frequency signal in first duplexer 602, descending low noise amplifier 603 is transmitted to downstream filter 604 after improving the noise factor of original radio frequency signal, after suppressing, the band stray of 604 pairs of original radio frequency signal of downstream filter and interference signal be transmitted to downlink drive amplifier 605,605 pairs of original radio frequency signal of downlink drive amplifier are transmitted to descending high power amplifier 606 after adjusting amplification, after by descending high power amplifier 606 original radio frequency signal being amplified to the specified power level, be transmitted into the portable terminal that is positioned at the overlay area, repeater by service antenna 609.And up link (portable terminal is in the process of base station emission signal of communication) is similar with the down link process, the service antenna 609 of repeater receives transmitting from portable terminal, after processing similar process by the second duplexer 608, up low noise amplifier 610, upstream filter 611, upper line driver amplifier 612,613 execution of up high power amplifier with the signal of above-mentioned down link again, be transmitted to the base station by donor antenna 601.Control module 607 is used for the operating state of Real-time Collection repeater modules, the parameters of modules in the control repeater, detect modules in the repeater relevant warning, with warning message, be transmitted to centralized monitor administrative center.Power module 614 is used for providing energy.
Repeater ID generation module 70 for generation of repeater ID, and after the repeater ID that produces is converted into radiofrequency signal, is launched by the service antenna 609 in the radio-frequency module 60.
Particularly, repeater ID can launch with signal of communication.Receive the repeater ID of repeater ID generation module 70 emissions when the portable terminal that needs positioning service that is arranged in this overlay area, repeater after, the mobile positioning center location-server repeater ID returned to the mobile positioning center location-server, so that can utilize repeater ID that it is positioned.
Wherein, repeater ID in the present embodiment is the identity numbering of repeater, the corresponding repeater ID in each repeater, and each repeater has fixing position, can determine a repeater and position thereof by a repeater ID, so the repeater ID in the present embodiment is specially position, repeater ID.Produce repeater ID by repeater ID generation module 70, be equivalent to add ID to each repeater.Particularly, when repeater ID was position, repeater ID, referring to Fig. 4, repeater ID generation module 70 can comprise:
Position, the first repeater ID generation unit 701 is for generation of position, repeater ID.
First information modulating unit 702 is used for position, the repeater ID that position, the first repeater ID generation unit 701 produces is carried out coded modulation, generates position, repeater ID baseband signal.
The first band spectrum modulation unit 703, the pseudo noise code that is used for position, repeater ID baseband signal that first information modulating unit 702 is produced and pseudo-random sequence generator 704 generations multiplies each other or mould two adds, and produces the speed spread-spectrum signal identical with pseudo noise code.
Wherein, pseudo-random sequence generator 704 can be by pseudo random sequence generation unit and oscillator realization, and specific implementation process and prior art are similar, repeat no more herein.
The first Carrier Modulation unit 705 is used for the spread-spectrum signal that the first band spectrum modulation unit 703 produces is carried out Carrier Modulation, obtains radiofrequency signal.
The first power amplifier 706 after being used for the radiofrequency signal that the first Carrier Modulation unit 705 obtains amplified, is launched by the service antenna 609 in the radio-frequency module 60.
Wherein, receive the radiofrequency signal of service antenna 609 emissions when the portable terminal that needs positioning service that is arranged in this overlay area, repeater after, radiofrequency signal is carried out demodulation obtain spread-spectrum signal, spread-spectrum signal is carried out despreading obtain position, repeater ID, thereby determine the overlay area that this portable terminal is positioned at the repeater, and this position, repeater ID is transmitted to the mobile positioning center location-server, so that the mobile positioning center location-server can position portable terminal according to directly putting position ID.
Particularly, according to position, repeater ID portable terminal is positioned at least and can adopt following method:
Obtain the position of repeater according to position, repeater ID; Position according to the repeater, utilize existing Cell-ID (Cell Identifier, realm identifier), the localization methods such as OTDOA (Observed Time Difference ofArrival, Observable different the times of advent) or mesh fitting location, portable terminal is positioned.
Need to prove, be not limited to said method and realize the location, can also utilize other any feasible methods realizations in the prior art.
Particularly, when repeater ID was position, repeater ID, referring to Fig. 5, repeater ID generation module 70 can comprise:
Position, the second repeater ID generation unit 707 is for generation of position, repeater ID.
The first pilot signal processing unit 708, the signal of communication that receives from the base station for the donor antenna 601 to radio-frequency module 60 carries out demodulation, obtains pilot signal.
Position, the first repeater ID modulating unit 709 is used for position, the repeater ID that position, the second repeater ID generation unit 707 produces is modulated to the pilot signal that the first pilot signal processing unit 708 obtains, and obtains spread-spectrum signal.
Need to prove, not only position, repeater ID can be modulated on the pilot signal, portable terminal health information of repeater time service information and/or repeater work system etc. also together can also be modulated to and be transmitted to portable terminal on the pilot signal, so that can obtain more repeater information.
The second Carrier Modulation unit 710 is used for the spread-spectrum signal that position, the first repeater ID modulating unit 709 produces is carried out Carrier Modulation, obtains radiofrequency signal.
The second power amplifier 711 after being used for the radiofrequency signal that the second Carrier Modulation unit 710 obtains amplified, is launched by the service antenna 609 in the radio-frequency module 60.
Wherein, receive the radiofrequency signal of service antenna 607 emissions when the portable terminal that needs positioning service that is arranged in this overlay area, repeater after, radiofrequency signal is carried out demodulation obtain spread-spectrum signal, spread-spectrum signal is carried out despreading obtain position, repeater ID, thereby determine the overlay area that this portable terminal is positioned at the repeater, and this position, repeater ID is transmitted to the mobile positioning center location-server, so that the mobile positioning center location-server can position portable terminal according to directly putting position ID.
Particularly, according to position, repeater ID portable terminal is positioned at least and can adopt following method:
Obtain the position of repeater according to position, repeater ID; According to the position of repeater, utilize the localization methods such as existing Cell-ID, OTDOA or mesh fitting localization method, portable terminal is positioned.
Need to prove, be not limited to said method and realize the location, can also utilize other any feasible methods realizations in the prior art.
Particularly, when repeater ID was position, repeater ID, referring to Fig. 6, repeater ID generation module 70 can comprise:
The second pilot signal processing unit 712, be used for the pilot signal of donor antenna 601 from the signal of communication that the base station receives of radio-frequency module 60 carried out phase shift, obtain the pilot signal after the phase shift, pilot signal after the phase shift is returned in the signal of communication, launch by the service antenna 609 in the radio-frequency module 60.
Carry out phase shift by the signal of communication that the donor antenna 601 in the radio-frequency module 60 is received from the base station, represent different repeaters with the out of phase of the pilot signal in the signal of communication.Such as: 70 degree phase places with pilot signal represent that 60 phase places of the first repeater, pilot signal represent the second repeater etc.
The described repeater of the embodiment of the invention, add ID by position, the second repeater ID generation unit to the repeater, so that when portable terminal is positioned at the overlay area of repeater, can obtain position, repeater ID, determine the position of repeater according to position, repeater ID, position according to the repeater positions portable terminal, has reduced deviation that portable terminal is positioned, realizes portable terminal is accurately located.More accurate indoor positioning can be carried out to heavy construction, skyscraper in repeater by the embodiment of the invention, differentiates the same plane zone of different floors, can realize the seamless location of indoor and outdoor.And exist in the situation of a plurality of repeaters in the coverage of a base station, can distinguish the coverage which repeater portable terminal is positioned at, be applicable to exist in the coverage of a base station situation of a plurality of repeaters.
Embodiment 4
Overlay area with the repeater in the present embodiment is divided into N sub-overlay area, subcovering zone ID for a correspondence of each subcovering region division, can determine a concrete zone and position thereof by each subcovering zone ID, wherein N is positive integer, and the concrete value of N can be set according to the practical application situation.Referring to Fig. 7 and Fig. 8, the embodiment of the invention provides a kind of repeater, and this repeater comprises: radio-frequency module 80 and repeater ID generation module 90.
Radio-frequency module 80 is used for realizing enhancing and the forwarding of signal of communication between base station and the portable terminal.
The same with the traditional communication repeater, radio-frequency module 80 main enhancing and the forwarding capabilitys of realizing signal of communication between base station and the portable terminal.Particularly, referring to Fig. 7 and Fig. 8, radio-frequency module 80 comprises: donor antenna 801, first duplexer 802, descending low noise amplifier 803, downstream filter 804, downlink drive amplifier 805, descending high power amplifier 806, control module 807, the second duplexer 808, a N service antenna 809, up low noise amplifier 810, upstream filter 811, upper line driver amplifier 812, up high power amplifier 813 and power module 814.Wherein, N is positive integer, and is identical with the value of the number in the subcovering zone of repeater.
Wherein, the radio-frequency module 80 of the present embodiment is with the difference of the radio-frequency module 60 of embodiment 3, the radio-frequency module 80 of the present embodiment comprises N service antenna 809, a sub-overlay area of the corresponding repeater of each service antenna, each service antenna for its corresponding subcovering zone provide service (namely strengthen and forwarding in this subcovering zone portable terminal and the signal of communication between the base station).Other modules that comprise in the radio-frequency module 80 are similar to Example 1, repeat no more herein.
For example: the overlay area of repeater is divided into 3 sub-overlay areas is respectively: the first subcovering zone A1, the second subcovering zone A2, the 3rd subcovering zone A3.Correspondingly, radio-frequency module 80 comprises that 3 service antenna 809 are respectively first service antenna B1, second service antenna B2, the 3rd service antenna B3, and wherein first service antenna B1 is that the A1 service of the first subcovering zone, second service antenna B2 are that the A2 service of the second subcovering zone, the 3rd service antenna B3 are the A3 service of the 3rd subcovering zone.
Repeater ID generation module 90 for generation of repeater ID, and after the repeater ID that produces is converted into radiofrequency signal, is launched by the service antenna 809 in the radio-frequency module 80.
Particularly, the sub-ID in repeater can launch with signal of communication.Receive the repeater ID of repeater ID generation module 90 emissions when the portable terminal that needs positioning service that is arranged in this overlay area, repeater after, the mobile positioning center location-server repeater ID returned to the mobile positioning center location-server, so that can utilize repeater ID that it is positioned.
Wherein, repeater ID in the present embodiment is the identity numbering in the subcovering zone of repeater, each corresponding repeater ID in subcovering zone of each repeater, can determine subcovering zone and the position thereof of a repeater by a repeater ID, so the repeater ID in the present embodiment is specially subcovering zone, repeater ID.
Particularly, when repeater ID was subcovering zone, repeater ID, referring to Fig. 7, repeater ID generation module 90 can comprise:
Subcovering zone, the first repeater ID generation unit 901 is for generation of N repeater subcovering zone ID.
First information modulating unit 902 is used for N the repeater subcovering zone ID that subcovering zone, the first repeater ID generation unit 901 generates is carried out respectively coded modulation, generates subcovering zone, N repeater ID baseband signal.
The first band spectrum modulation unit 903, subcovering zone, N the repeater ID baseband signal that is used for first information modulating unit 902 is produced multiplies each other with the pseudo noise code of pseudo-random sequence generator generation respectively or mould two adds, and produces N the spread-spectrum signal that speed is identical with pseudo noise code.
Wherein, pseudo-random sequence generator 904 can be by pseudo random sequence generation unit and oscillator realization, and specific implementation process and prior art are similar, repeat no more herein.
The first Carrier Modulation unit 905 is used for N the spread-spectrum signal that the first band spectrum modulation unit 903 produces carried out Carrier Modulation, obtains N radiofrequency signal.
The first power amplifier 906 after being used for N the radiofrequency signal that the first Carrier Modulation unit 905 obtains amplified respectively, is launched by the respective service antenna 809 in the radio-frequency module 80 respectively.
Need to prove, the radiofrequency signal that arbitrary service antenna 809 is launched, the portable terminal that is arranged in its subcovering zone of serving is received, the portable terminal that is arranged in other subcovering zones is received, the portable terminal that namely is arranged in the request positioning service of this overlay area, repeater can be received M radiofrequency signal, M is positive integer, and M is less than or equal to N.
Receive M radiofrequency signal of service antenna 809 emissions when the portable terminal that needs positioning service in certain the subcovering zone that is arranged in this repeater after, M radiofrequency signal carried out respectively demodulation obtain M spread-spectrum signal, M spread-spectrum signal carried out respectively despreading obtain M repeater subcovering zone ID, thereby determine the overlay area that this portable terminal is positioned at the repeater, and M repeater subcovering zone ID can be transmitted to the mobile positioning center location-server, so that the mobile positioning center location-server can position portable terminal according to M repeater subcovering zone ID.
Particularly, according to M repeater subcovering zone ID portable terminal is positioned at least and can adopt following method:
Utilize M repeater subcovering zone ID of acquisition for mobile terminal, obtain and according to subcovering zone, M repeater and position thereof, utilize the localization methods such as existing Cell-ID, OTDOA or mesh fitting location, portable terminal is positioned.
Need to prove, be not limited to said method and realize the location, can also utilize other any feasible methods realizations in the prior art.
Particularly, when repeater ID was subcovering zone, repeater ID, referring to Fig. 8, repeater ID generation module 90 can comprise:
Subcovering zone, the second repeater ID generation unit 907 is for generation of N repeater subcovering zone ID.
The first pilot signal processing unit 908, the signal of communication that receives from the base station for the donor antenna 801 to radio-frequency module 80 carries out demodulation, obtains pilot signal.
Position, the first repeater ID modulating unit 909, be used for N the repeater subcovering zone ID that subcovering zone, the second repeater ID generation unit 907 produces is modulated to respectively the pilot signal that the first pilot signal processing unit 908 obtains, obtain N spread-spectrum signal.
Need to prove, not only repeater subcovering zone ID can be modulated on the pilot signal, portable terminal health information of repeater time service information and/or repeater work system etc. also together can also be modulated to and be transmitted to portable terminal on the pilot signal, so that can obtain more repeater information.
The second Carrier Modulation unit 910 is used for N the spread-spectrum signal that position, the first repeater ID modulating unit 909 produces carried out respectively Carrier Modulation, obtains N radiofrequency signal.
The second power amplifier 911 after being used for N the radiofrequency signal that the second Carrier Modulation unit 910 obtains amplified respectively, is launched by the respective service antenna 809 in the radio-frequency module 80 respectively.
Need to prove, the radiofrequency signal that arbitrary service antenna 809 is launched, the portable terminal that is arranged in its subcovering zone of serving is received, the portable terminal that is arranged in other subcovering zones is received, the portable terminal that namely is arranged in the request positioning service of this overlay area, repeater can be received M radiofrequency signal, M is positive integer, and M is less than or equal to N.
Receive M radiofrequency signal of service antenna 809 emissions when the portable terminal that needs positioning service in certain the subcovering zone that is arranged in this repeater after, M radiofrequency signal carried out respectively demodulation obtain M spread-spectrum signal, M spread-spectrum signal carried out respectively despreading obtain M repeater subcovering zone ID, thereby determine the overlay area that this portable terminal is positioned at the repeater, and M repeater subcovering zone ID can be transmitted to the mobile positioning center location-server, so that the mobile positioning center location-server can position portable terminal according to M repeater subcovering zone ID.
Particularly, according to M repeater subcovering zone ID portable terminal is positioned at least and can adopt following method:
Utilize M repeater subcovering zone ID of acquisition for mobile terminal, obtain and according to subcovering zone, M repeater and position thereof, utilize the localization methods such as existing Cell-ID, OTDOA or mesh fitting location, portable terminal is positioned.
Need to prove, be not limited to said method and realize the location, can also utilize other any feasible methods realizations in the prior art.
The described repeater of the embodiment of the invention, add ID by repeater subcovering zone ID generation module to each subcovering zone of repeater, so that when portable terminal is positioned at the overlay area of repeater, can obtain subcovering zone, repeater ID, determine the position in subcovering zone, repeater according to repeater subcovering zone ID, position according to subcovering zone, repeater positions portable terminal, reduced deviation that portable terminal is positioned, realized portable terminal is accurately located.More accurate indoor positioning can be carried out to heavy construction, skyscraper in repeater by the embodiment of the invention, differentiates the same plane zone of different floors, can realize the seamless location of indoor and outdoor.And exist in the situation of a plurality of repeaters in the coverage of a base station, can distinguish which coverage which repeater portable terminal is positioned at, be applicable to exist in the coverage of a base station situation of a plurality of repeaters.
In addition, the embodiment of the invention also provides a kind of movable positioning system, comprises any one repeater among base station, portable terminal, mobile positioning center location-server and the embodiment 1-4.
All or part of content in the technical scheme that above embodiment provides can realize by software programming, and its software program is stored in the storage medium that can read, storage medium for example: the hard disk in the computer, CD or floppy disk.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a repeater comprises radio-frequency module, and described radio-frequency module comprises donor antenna and service antenna, it is characterized in that, when described radio-frequency module comprised N service antenna, wherein, N was positive integer, and described repeater also comprises: repeater ID generation module;
Wherein, described repeater ID generation module comprises:
Subcovering zone, the first repeater ID generation unit is for generation of N repeater subcovering zone ID;
First information modulating unit is used for N the repeater subcovering zone ID that subcovering zone, described the first repeater ID generation unit generates is carried out respectively coded modulation, generates subcovering zone, N repeater ID baseband signal;
The first band spectrum modulation unit, subcovering zone, N the repeater ID baseband signal that is used for described first information modulating unit is produced multiplies each other with the pseudo noise code of pseudo-random sequence generator generation respectively or mould two adds, and produces N the spread-spectrum signal that speed is identical with pseudo noise code;
Pseudo-random sequence generator is for generation of pseudo noise code;
The first Carrier Modulation unit is used for N the spread-spectrum signal that described the first band spectrum modulation unit produces carried out Carrier Modulation, obtains N radiofrequency signal;
The first power amplifier, after being used for N the radiofrequency signal that described the first Carrier Modulation unit obtains amplified respectively, go out by the respective service antenna transmission in the radio-frequency module respectively, can receive M radiofrequency signal so that be arranged in the portable terminal of overlay area, described repeater, a described M radiofrequency signal is carried out respectively demodulation obtain M spread-spectrum signal, a described M spread-spectrum signal is carried out respectively despreading obtain M repeater subcovering zone ID, and described M repeater subcovering zone ID be transmitted to the mobile positioning center location-server, so that described mobile positioning center location-server positions described portable terminal according to described M repeater subcovering zone ID, wherein, M is positive integer, and M is less than or equal to N;
Or wherein, described repeater ID generation module comprises:
Subcovering zone, the second repeater ID generation unit is for generation of N repeater subcovering zone ID;
The first pilot signal processing unit, the signal of communication that receives from the base station for the donor antenna to described radio-frequency module carries out demodulation, obtains pilot signal;
Position, the first repeater ID modulating unit, be used for N the repeater subcovering zone ID that subcovering zone, described the second repeater ID generation unit produces is modulated to respectively the pilot signal that described the first pilot signal processing unit obtains, obtain N spread-spectrum signal;
The second Carrier Modulation unit is used for N the spread-spectrum signal that position, described the first repeater ID modulating unit produces carried out respectively Carrier Modulation, obtains N radiofrequency signal;
The second power amplifier, after being used for N the radiofrequency signal that described the second Carrier Modulation unit obtains amplified respectively, go out by the respective service antenna transmission in the described radio-frequency module respectively, can receive M radiofrequency signal so that be arranged in the portable terminal of overlay area, described repeater, a described M radiofrequency signal is carried out respectively demodulation obtain M spread-spectrum signal, a described M spread-spectrum signal is carried out respectively despreading obtain M repeater subcovering zone ID, and described M repeater subcovering zone ID be transmitted to the mobile positioning center location-server, so that described mobile positioning center location-server positions described portable terminal according to described M repeater subcovering zone ID, wherein, M is positive integer, and M is less than or equal to N.
2. a movable positioning system comprises base station, portable terminal, mobile positioning center location-server and repeater, and described repeater comprises radio-frequency module; Described radio-frequency module comprises donor antenna and service antenna; It is characterized in that, when described radio-frequency module comprised N service antenna, wherein, N was positive integer, and described repeater also comprises: repeater ID generation module;
Wherein, described repeater ID generation module comprises:
Subcovering zone, the first repeater ID generation unit is for generation of N repeater subcovering zone ID;
First information modulating unit is used for N the repeater subcovering zone ID that subcovering zone, described the first repeater ID generation unit generates is carried out respectively coded modulation, generates subcovering zone, N repeater ID baseband signal;
The first band spectrum modulation unit, subcovering zone, N the repeater ID baseband signal that is used for described first information modulating unit is produced multiplies each other with the pseudo noise code of pseudo-random sequence generator generation respectively or mould two adds, and produces N the spread-spectrum signal that speed is identical with pseudo noise code;
Pseudo-random sequence generator is for generation of pseudo noise code;
The first Carrier Modulation unit is used for N the spread-spectrum signal that described the first band spectrum modulation unit produces carried out Carrier Modulation, obtains N radiofrequency signal;
The first power amplifier, after being used for N the radiofrequency signal that described the first Carrier Modulation unit obtains amplified respectively, go out by the respective service antenna transmission in the radio-frequency module respectively, can receive M radiofrequency signal so that be arranged in the portable terminal of overlay area, described repeater, a described M radiofrequency signal is carried out respectively demodulation obtain M spread-spectrum signal, a described M spread-spectrum signal is carried out respectively despreading obtain M repeater subcovering zone ID, and described M repeater subcovering zone ID be transmitted to the mobile positioning center location-server, so that described mobile positioning center location-server positions described portable terminal according to described M repeater subcovering zone ID, wherein, M is positive integer, and M is less than or equal to N;
Or wherein, described repeater ID generation module comprises:
Subcovering zone, the second repeater ID generation unit is for generation of N repeater subcovering zone ID;
The first pilot signal processing unit, the signal of communication that receives from the base station for the donor antenna to described radio-frequency module carries out demodulation, obtains pilot signal;
Position, the first repeater ID modulating unit, be used for N the repeater subcovering zone ID that subcovering zone, described the second repeater ID generation unit produces is modulated to respectively the pilot signal that described the first pilot signal processing unit obtains, obtain N spread-spectrum signal;
The second Carrier Modulation unit is used for N the spread-spectrum signal that position, described the first repeater ID modulating unit produces carried out respectively Carrier Modulation, obtains N radiofrequency signal;
The second power amplifier, after being used for N the radiofrequency signal that described the second Carrier Modulation unit obtains amplified respectively, go out by the respective service antenna transmission in the described radio-frequency module respectively, can receive M radiofrequency signal so that be arranged in the portable terminal of overlay area, described repeater, a described M radiofrequency signal is carried out respectively demodulation obtain M spread-spectrum signal, a described M spread-spectrum signal is carried out respectively despreading obtain M repeater subcovering zone ID, and described M repeater subcovering zone ID be transmitted to the mobile positioning center location-server, so that described mobile positioning center location-server positions described portable terminal according to described M repeater subcovering zone ID, wherein, M is positive integer, and M is less than or equal to N.
3. movable positioning system according to claim 2, it is characterized in that, described portable terminal, be used for receiving N the radiofrequency signal that a described N service antenna is launched, receive M radiofrequency signal, a described M radiofrequency signal is carried out respectively demodulation obtain M spread-spectrum signal, a described M spread-spectrum signal is carried out respectively despreading obtain M repeater subcovering zone ID, and described M repeater subcovering zone ID is transmitted to the mobile positioning center location-server;
Described mobile positioning center location-server is used for receiving M the repeater subcovering zone ID that described portable terminal is launched, and subcovering zone ID positions described portable terminal according to described M repeater.
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| CN 201010229773 CN101902815B (en) | 2010-07-13 | 2010-07-13 | Repeater and mobile positioning system |
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| CN104684082A (en) * | 2015-03-06 | 2015-06-03 | 苏州海博智能系统有限公司 | System and method for realizing building inner positioning based on base station signal amplification devices |
| CN105516930B (en) * | 2015-12-04 | 2019-01-18 | 京信通信系统（中国）有限公司 | A kind of room subsystem localization method and device |
| CN108235227B (en) * | 2016-12-13 | 2020-10-16 | 中国移动通信集团上海有限公司 | Terminal position monitoring system and method |
| CN109951814B (en) * | 2017-12-20 | 2021-11-19 | 中国电信股份有限公司 | Positioning method, positioning device and computer-readable storage medium |
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| CN1581713A (en) * | 2003-08-04 | 2005-02-16 | 周常柱 | DS/SS spread spectrum communication technique for improving spread spectrum gain |
| CN1778055A (en) * | 2003-02-24 | 2006-05-24 | 高通股份有限公司 | Forward link repeater frequency watermarking system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1778055A (en) * | 2003-02-24 | 2006-05-24 | 高通股份有限公司 | Forward link repeater frequency watermarking system |
| CN1581713A (en) * | 2003-08-04 | 2005-02-16 | 周常柱 | DS/SS spread spectrum communication technique for improving spread spectrum gain |
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