CN103391556A

CN103391556A - WLAN (wireless local area network) access system, power supply injector device and antenna device

Info

Publication number: CN103391556A
Application number: CN2013103253638A
Authority: CN
Inventors: 洪鼎标
Original assignee: Fujian Star Net Communication Co Ltd
Current assignee: Ruijie Networks Co Ltd
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2013-11-13
Anticipated expiration: 2033-07-30
Also published as: CN103391556B

Abstract

The invention discloses a WLAN access system, a power supply injector device and an antenna device so as to solve the problem that a conventional WLAN access technology can not realize efficient and reliable roaming service in a wider range. According to the WLAN access system, the power supply injector device and the antenna device, an AP (assess point), a power supply injector and a first antenna group are arranged, wherein the first antenna group comprises at least two antennae connected in series sequentially through a feed line; the AP is connected with the power supply injector through the feed line; the power supply injector is connected with an initial antenna in the first antenna group through the feed line; the power supply injector provides DC voltage signals for the antennae connected in series; each antenna outputs a DC voltage signal to a next adjacent antenna; the power supply injector outputs a downlink radio frequency signal from the AP to the antenna group; each antenna outputs the downlink radio frequency signal to a next adjacent antenna and sends the downlink radio frequency signal; a received uplink radio frequency signal is transmitted to an upper adjacent antenna step by step; and the power supply injector transmits the uplink radio frequency signals to the AP.

Description

WLAN (wireless local area network) connecting system, power supply injector equipment, antenna equipment

Technical field

The present invention relates to network communicating system, particularly, relate to a kind of WLAN (wireless local area network) connecting system, power supply injector equipment, antenna equipment.

Background technology

Increasingly mature along with radio network technique, wireless network is accepted by increasing enterprise customer.From the routine office work environment to the trans-regional network interconnection, wireless network is all being played the part of important role.The introducing of wireless network, for the enterprises and individuals provides a kind of novel network application platform, for enterprise has created wireless working space freely.

At present, WLAN (wireless local area network) (WLAN, Wireless Local Area Network) obtained increasing application, as school, hospital, hotel, office block etc., WLAN becomes effective support of access in radio, supplementary and extension, is important channel quick, that equip and realize universal service flexibly.

Fig. 1 shows the system configuration of WLAN, WLAN comprises router, Radio Access Controller (AC, Access Controller) and WAP (wireless access point) (AP, Access Point), site STA (Station) and AP wireless connections, the management that AP bears radio communication with being connected of cable network, some AP and AC carry out wired connection, AC and router carry out wired connection, and router is linked in the Internet (Internet).

The WLAN technology adopts radio frequency (RF, Radio Frequency) technology is by the medium of radio wave as the data transmission, the transmitting range of the radiofrequency signal of AP output generally only has tens meters, like this, STA will realize continuing access network in moving process, will roam between adjacent AP, perhaps at the different radio frequency interchannel of identical AP, roam; In the radiofrequency signal coverage of each AP, radio-frequency (RF) signal strength weakens gradually along with the extension of coverage, and radiofrequency signal is subject to signal strength signal intensity in the situation about stopping of building masonry wall and also can dies down, like this at STA from an AP roams into the process of another AP, perhaps from the radio-frequency module of AP, roam into another radio-frequency module process of (radio-frequency module is used for carrying out the mutual conversion between digital baseband signal and radiofrequency signal), the insecure problem of roaming that may exist roaming time to grow, go offline etc.Like this, in the application scenarios that roaming is had relatively high expectations, just can't meet the roaming demand of application scenarios.

For example, in the electronics of hospital is made the rounds of the wards application, because health care worker is mobile to diagnosing patient in each ward of the lesion of being everlasting, and use electric terminal (for example PAD) with WIFI function to carry out record by the electronics application system of making the rounds of the wards, therefore require will to carry out in lesion wide coverage, evenly, wireless signal that signal strength signal intensity is higher disposes; If wireless signal is disposed the situation that coverage is little, inhomogeneous or interference is stronger that exists, will cause the phenomenons such as PAD goes offline in moving process, roaming time is long, thereby such network design can not meet the higher roaming requirement that electronics is made the rounds of the wards and applied.

Divide the WLAN of deployment to address this problem to a certain extent by chamber.Divide in deployment scheme in chamber, AP is arranged between the light current of building or the corridor ceiling, employing comprises that the power distributing circuit of power splitter, coupler, feeder line, a plurality of antennas that are positioned at Indoor environment and passive accessory etc. is connected with AP, the radiofrequency signal of AP output is incorporated into the indoor of a plurality of rooms of buildings, realizes the covering of indoor radio signal.But, divide in deployment scheme in chamber, usually can not dispose antenna in corridor or aisle, and, the limited amount of the antenna of an AP connection, be generally 5 to 6 antennas, and the limited coverage area of the wireless signal of WLAN deployment scheme is divided in the chamber of making, like this, need to dispose the electronics that divides wlan system could meet above-mentioned hospital in a plurality of chambers requirement of application to the wireless signal wide coverage of making the rounds of the wards.But, in the situation that adjacent chamber divides between the AP of wlan system roams, still there are the problems referred to above in electronic equipment.

The roaming of the high efficient and reliable in as seen, can't realizing in a big way in existing WLAN access technology.

Summary of the invention

In view of this, the embodiment of the present invention provides a kind of WLAN connecting system, power supply injector equipment, antenna equipment, in order to the problem of the roaming of the high efficient and reliable in can't realizing in existing WLAN access technology in a big way.

Embodiment of the present invention technical scheme is as follows:

A kind of WLAN connecting system, comprise: AP, power supply injector and the first antenna sets, the first antenna sets comprises at least two antennas by feeder line order series winding, each antenna lays respectively at preposition in building, the first radio frequency interface of AP is connected with the power supply injector by feeder line, and the power supply injector is connected with the initial antenna in the first antenna sets by feeder line; AP, be used for by the first radio frequency interface output downlink radio-frequency signal; The power supply injector, be used for external AC power supply is converted to d. c. voltage signal, with the d. c. voltage signal that is converted to from the downlink radio-frequency signal of AP, exports to initial antenna in the first antenna sets; Initial antenna in the first antenna sets, be used for d. c. voltage signal and the downlink radio-frequency signal of acquisition from the power supply injector, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent antenna; Other antenna in the first antenna sets, be used for obtaining the d. c. voltage signal and the downlink radio-frequency signal that forward from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent next antenna.

A kind of power supply injector equipment, described power supply injector equipment is the power supply injector in WLAN connecting system as above, described power supply injector is connected to the first radio frequency interface of AP by feeder line, also by feeder line, be connected to initial antenna in the first antenna sets, the first antenna sets comprises at least two antennas by feeder line order series winding, described power supply injector equipment comprises: power transfer module is used for external AC power supply is converted to d. c. voltage signal; The first port, be used for the downlink radio-frequency signal of acquisition from the first radio frequency interface of AP; The second port, be used for and will and export to the initial antenna of the first antenna sets from the d. c. voltage signal of power transfer module from the downlink radio-frequency signal of first end mouth.

a kind of antenna equipment, described antenna is an antenna in the first antenna sets in the above WLAN connecting system, in the WLAN connecting system, the first antenna sets comprises at least two antennas by feeder line order series winding, described antenna is arranged in the building preposition, initial antenna in described the first antenna sets is connected to the power supply injector by feeder line, the power supply injector is connected to the first radio frequency interface of wireless access point AP by feeder line, described antenna comprises: the first port, be used for to obtain downlink radio-frequency signal and d. c. voltage signal from power supply injector or an adjacent upper antenna, wherein, downlink radio-frequency signal is that AP exports to the power supply injector, and d. c. voltage signal is that the power supply injector presses the signal conversion to get external AC, power transfer module, be used for the d. c. voltage signal that the first port acquires is converted to the operating voltage signal of described antenna, Anneta module, be used for the downlink radio-frequency signal that the first port acquires is exported to site STA, the second port, be used for the downlink radio-frequency signal that the first port acquires is exported to the adjacent next antenna of described antenna.

A kind of WLAN (wireless local area network) connecting system, comprise: AP, power supply injector and the first antenna sets, the first antenna sets comprises at least two antennas by feeder line order series winding, each antenna lays respectively at preposition in building, the first radio frequency interface of AP is connected with the power supply injector by feeder line, and the power supply injector is connected with the initial antenna in the first antenna sets by feeder line; AP, be used for by the up radiofrequency signal of the first radio frequency interface acquisition from the power supply injector; The power supply injector, be used for external AC power supply is converted to d. c. voltage signal, and the d. c. voltage signal that is converted to is exported to initial antenna in the first antenna sets; To export to AP by the first radio frequency interface from the up radiofrequency signal of first day line group; Initial antenna in the first antenna sets, be used for the d. c. voltage signal of acquisition from the power supply injector, the d. c. voltage signal that acquires is converted to the operating voltage of antenna, and the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of site STA, and acquisition is all exported to the power supply injector from the up radiofrequency signal of next antenna adjacent in the first antenna sets with the up radiofrequency signal that acquires; Other antenna in the first antenna sets, be used for obtaining the d. c. voltage signal that forwards from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of STA, and acquisition is all exported to an adjacent upper antenna from the up radiofrequency signal of next antenna adjacent in the first antenna sets with the up radiofrequency signal that acquires.

A kind of power supply injector equipment, described power supply injector equipment is the power supply injector of the WLAN connecting system of the above, described power supply injector is connected to the first radio frequency interface of wireless access point AP by feeder line, also by feeder line, be connected to initial antenna in the first antenna sets, the first antenna sets comprises at least two antennas by feeder line order series winding, described power supply injector equipment comprises: power transfer module is used for external AC power supply is converted to d. c. voltage signal; The first port, be used for and will export to AP by the first radio frequency interface from the up radiofrequency signal of the second port; The second port, be used for exporting to from the d. c. voltage signal of power transfer module the initial antenna of the first antenna sets; Acquisition is from the up radiofrequency signal of the first antenna sets.

A kind of antenna equipment, described antenna is an antenna in the first antenna sets in WLAN connecting system as above, in the WLAN connecting system, the first antenna sets comprises at least two antennas by feeder line order series winding, described antenna is arranged in the building preposition, initial antenna in described the first antenna sets is connected to the power supply injector by feeder line, the power supply injector is connected to the first radio frequency interface of wireless access point AP by feeder line, described antenna comprises: the first port, power transfer module, Anneta module and the second port; Wherein, the first port, be used for the d. c. voltage signal of acquisition from the power supply injector; To and from the up radiofrequency signal of the second port, export to adjacent a upper antenna or power supply injector from the up radiofrequency signal of Anneta module; Wherein, d. c. voltage signal is that the power supply injector presses the signal conversion to get external AC; Power transfer module, be used for the d. c. voltage signal that the first port acquires is converted to the operating voltage signal of described antenna; Anneta module, be used for the up radiofrequency signal of acquisition from site STA; The second port, be used for the up radiofrequency signal of acquisition from adjacent next antenna.

in embodiments of the present invention, AP is set, power supply injector and the first antenna sets, the first antenna sets comprises at least two antennas by feeder line order series winding, each antenna lays respectively at predetermined Indoor environment, the first radio frequency interface of AP is connected with the power supply injector by feeder line, the power supply injector is connected with the initial antenna in the first antenna sets by feeder line, the power supply injector is converted to d. c. voltage signal with external AC power supply, the d. c. voltage signal that is converted to is exported to initial antenna in the first antenna sets, initial antenna is converted to d. c. voltage signal the operating voltage signal of antenna, the d. c. voltage signal that initial antenna also will acquire is exported to adjacent antenna, the antenna that acquires d. c. voltage signal also is converted to d. c. voltage signal the operating voltage signal of antenna, and in the situation that antenna is connected with adjacent next antenna, d. c. voltage signal is continued to export to adjacent next antenna, thereby the power supply injector is embodied as each antenna power supply, make each antenna become active antenna, can carry out more complicated control processes,

On the direction of downstream signal, AP is by the first radio frequency interface output downlink radio-frequency signal, the power supply injector is transmitted to initial antenna in the first antenna sets with downlink radio-frequency signal, the downlink radio-frequency signal that this initial antenna output acquires, and the downlink radio-frequency signal that will acquire is exported to adjacent antenna, the downlink radio-frequency signal that other antenna output acquires, and the downlink radio-frequency signal that also all will acquire is exported to adjacent next antenna;

On the direction of upward signal, after the up radiofrequency signal of each antenna acquisition from STA in the first antenna sets, up radiofrequency signal is exported to an adjacent upper antenna, the up radiofrequency signal that the up radiofrequency signal from STA that initial antenna in the first antenna sets will acquire and each antenna forward is exported to the power supply injector, and the up radiofrequency signal that the power supply injector will acquire is exported to AP by the first radio frequency interface;

as seen, in the WLAN connecting system that the embodiment of the present invention provides, first, AP connects one group of antenna by the power supply injector, each antenna in antenna sets is arranged in the building preposition, as long as can be the antenna power supply by the power supply injector, just the antenna of a greater number can be set, this quantity can be divided the quantity of the antenna that arranges in WLAN significantly greater than chamber in prior art, thereby can reach large-scale radiofrequency signal covers, second, what the downlink radio-frequency signal that each antenna acquires was that same AP sends is all namely identical, the up radiofrequency signal that each antenna acquires also can be exported to AP reliably, when thereby STA moves access in the coverage of the first antenna sets, all to access in the coverage of the radiofrequency signal of same AP, thereby can avoid roaming and export reliably and obtain radiofrequency signal, and then, the technical scheme that provides by the embodiment of the present invention, can solve in existing WLAN access technology the problem of the roaming of the high efficient and reliable in can't realizing in a big way.

Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, perhaps by implementing the present invention, understand.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification writing, claims and accompanying drawing.

Description of drawings

Fig. 1 is the system architecture diagram of WLAN;

The structured flowchart of the WLAN connecting system that Fig. 2 provides for the embodiment of the present invention;

The structured flowchart of the power supply injector that Fig. 3 provides for the embodiment of the present invention;

Another structured flowchart of the power supply injector that Fig. 4 provides for the embodiment of the present invention;

The structured flowchart of the antenna equipment that Fig. 5 provides for the embodiment of the present invention;

Another structured flowchart of the antenna equipment that Fig. 6 provides for the embodiment of the present invention;

Another structured flowchart of the WLAN connecting system that Fig. 7 provides for the embodiment of the present invention;

Another structured flowchart of the power supply injector that Fig. 8 a provides for the embodiment of the present invention;

Another structured flowchart of the power supply injector that Fig. 8 b provides for the embodiment of the present invention;

Another structured flowchart of the antenna equipment that Fig. 9 provides for the embodiment of the present invention;

Another structured flowchart of the antenna equipment that Figure 10 provides for the embodiment of the present invention;

Another structured flowchart of the WLAN connecting system that Figure 11 provides for the embodiment of the present invention;

Another structured flowchart of the power supply injector that Figure 12 provides for the embodiment of the present invention;

Another structured flowchart of the power supply injector that Figure 13 a provides for the embodiment of the present invention;

Another structured flowchart of the WLAN connecting system that Figure 13 b provides for the embodiment of the present invention;

Another structured flowchart of the antenna equipment that Figure 14 provides for the embodiment of the present invention;

Another structured flowchart of the antenna equipment that Figure 15 provides for the embodiment of the present invention;

Another structured flowchart of the WLAN connecting system that Figure 16 provides for the embodiment of the present invention;

Another structured flowchart of the power supply injector that Figure 17 provides for the embodiment of the present invention;

Another structured flowchart of the power supply injector that Figure 18 a provides for the embodiment of the present invention;

Another structured flowchart of the WLAN connecting system that Figure 18 b provides for the embodiment of the present invention;

Another structured flowchart of the antenna equipment that Figure 19 provides for the embodiment of the present invention;

Another structured flowchart of the antenna equipment that Figure 20 provides for the embodiment of the present invention.

Embodiment

Below in conjunction with accompanying drawing, embodiments of the invention are described, should be appreciated that embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.

For the problem of the roaming that can't realize interior in a big way high efficient and reliable in existing WLAN access technology, the embodiment of the present invention provides connecting system, power supply injector equipment, the antenna equipment of a kind of WLAN, in order to address this problem.

in the technical scheme that the embodiment of the present invention provides, the power supply injector is set between AP and antenna sets, and, antenna sets comprises at least two antennas by feeder line order series winding, each antenna lays respectively at preposition in building, the power supply injector is exported to d. c. voltage signal on the antenna that is connected, the d. c. voltage signal that each antenna will obtain is exported to adjacent next antenna, the d. c. voltage signal that each antenna will acquire is converted to the operating voltage of antenna, thereby realize that the power supply injector is each antenna power supply, as long as the power supply capacity of power supply injector allows just the antenna of quantity as much as possible to be set, this quantity can be divided the quantity of the antenna that arranges in WLAN significantly greater than chamber in prior art, thereby can reach large-scale radiofrequency signal covers,

And,, because the power supply of power supply injector makes antenna become active antenna, can carry out more complicated control and process; The power supply injector will be transmitted to from the downlink radio-frequency signal of AP the initial antenna in antenna sets, initial antenna is transmitted to adjacent antenna with downlink radio-frequency signal, the downlink radio-frequency signal that other each antenna will acquire is transmitted to adjacent next antenna, each antenna also will be transmitted to from the up radiofrequency signal of STA an adjacent upper antenna, and initial antenna will be from STA's and from the up radiofrequency signal of other each antenna, by the power supply injector, is transmitted to AP; Be also, the downlink radio-frequency signal that each antenna acquires is all identical, the up radiofrequency signal that each antenna acquires also can be exported to AP reliably, when thereby STA moves access in the coverage of the first antenna sets, all to access in the coverage of the radiofrequency signal of same AP, thereby can avoid roaming, and the sending and receiving radio frequency is believed reliably.

Below the embodiment of the present invention is elaborated.

Embodiment one

Fig. 2 shows the structured flowchart of the WLAN connecting system that the embodiment of the present invention provides, and this system comprises:

AP1, power supply injector 2 and the first antenna sets 3, the first antenna sets comprises at least two antennas 31 by feeder line order series winding ... 3n, each antenna lays respectively at preposition in building, the first radio frequency interface 11 of AP1 is connected with power supply injector 2 by feeder line, and power supply injector 2 is connected with the initial antenna 31 in the first antenna sets 3 by feeder line;

Wherein, preposition in the residing building of antenna, can be according to the empirical value of signal cover and definite position, positions such as indoor, corridor, staircase;

AP1, be used for by the first radio frequency interface 11 output downlink radio-frequency signals;

Power supply injector 2, be used for external AC power supply is converted to d. c. voltage signal, with the d. c. voltage signal that is converted to from the downlink radio-frequency signal of AP1, exports to initial antenna 31 in the first antenna sets 3; Preferably, power supply injector 2 also the d. c. voltage signal that is converted to is carried out overcurrent protection and overvoltage protection is processed rear initial antenna 31 in exporting to the first antenna sets 3, for antenna provides more stable and reliable d. c. voltage signal;

Initial antenna 31 in the first antenna sets 3, be used for d. c. voltage signal and the downlink radio-frequency signal of acquisition from power supply injector 2, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent antenna;

Other antenna 32 in the first antenna sets ... 3n, be used for obtaining the d. c. voltage signal and the downlink radio-frequency signal that forward from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent next antenna; For example, antenna 3i(i=2 ... n) after acquiring downlink radio-frequency signal from an adjacent upper antenna 3i-1, this downlink radio-frequency signal is transmitted to adjacent next antenna 3i+1;

Preferably, each antenna 31 ... 3n carries out signal intensity attenuation and power amplification to the downlink radio-frequency signal that acquires, and the downlink radio-frequency signal after signal intensity attenuation and power amplification is exported to site STA and adjacent next antenna; Antenna carries out signal intensity attenuation and power amplification to downlink radio-frequency signal, can make the signal strength signal intensity of downlink radio-frequency signal of each antenna output roughly suitable, for STA provides signal strength signal intensity uniform downlink radio-frequency signal, make STA can carry out efficient communication, downlink radio-frequency signal after amplifying is exported to adjacent next antenna, can make up step by step the decay of the transmission path such as feeder line to downlink radio-frequency signal.

Below respectively the structure of the antenna of the structure of above-mentioned power supply injector 2 is described.

Fig. 3 shows the structured flowchart of the power supply injector that the embodiment of the present invention provides, and the power supply injector comprises:

Power transfer module 21, be used for external AC power supply is converted to d. c. voltage signal; This d. c. voltage signal is the d. c. voltage signal that is adapted at transmitting on feeder line, for example the d. c. voltage signal of 12 volts;

The first port 22, be used for the downlink radio-frequency signal of acquisition from the first radio frequency interface of AP;

The second port 23, be connected to power transfer module 21 and the first port 22, is used for and exporting to the initial antenna 31 of the first antenna sets from the d. c. voltage signal of power transfer module 21 from the downlink radio-frequency signal of first end mouth 22.

Preferably, as shown in Figure 4, on the basis of power supply injector shown in Figure 3, the power supply injector can also comprise: energy supply control module 24 is used for the d. c. voltage signal from power transfer module 21 is carried out overcurrent protection and overvoltage protection processing; , the second port 23 is exported to antenna 31 with the d. c. voltage signal that energy supply control module 24 has carried out overcurrent protection and overvoltage protection processing; Thereby voltage injector 2 can provide reliable and stable d. c. voltage signal for each antenna in the first antenna sets 3.

, according to Fig. 3 or power supply injector shown in Figure 4, can provide d. c. voltage signal for the first antenna sets effectively reliably.

Fig. 5 shows the structured flowchart of the antenna equipment that the embodiment of the present invention provides, and comprising:

The first port 301, be used for to obtain downlink radio-frequency signal and d. c. voltage signal from power supply injector 2 or an adjacent upper antenna;

Power transfer module 302, be connected to the first port 301, is used for the d. c. voltage signal that the first port 301 acquires is converted to the operating voltage signal of described antenna;

Anneta module 303, be connected to the first port 301, is used for the downlink radio-frequency signal that the first port 301 acquires is exported to STA;

The second port 304, be connected to the first port 301, is used for the downlink radio-frequency signal that the first port 301 acquires is exported to the adjacent next antenna of described antenna;

Preferably, as shown in Figure 6, on the basis of antenna equipment shown in Figure 5, antenna equipment can also comprise:

Numeral attenuation module 305, be connected to the first port 301, the signal strength signal intensity that is used for the downlink radio-frequency signal that acquires according to the first port 301, determine the attenuation that downlink radio-frequency signal is decayed, and according to the signal strength signal intensity of the attenuation of determining to the downlink radio-frequency signal that acquires, decays;

RF Amplifier Module 306, be connected to digital attenuation module 305, and the downlink radio-frequency signal that is used for after digital attenuation module 305 decays carries out power amplification; ,

Anneta module 303, be connected to RF Amplifier Module 306, is used for the downlink radio-frequency signal after RF Amplifier Module 306 power amplifications is exported to STA;

The second port 304, be connected to RF Amplifier Module 306, is used in the situation that described antenna is connected with next antenna adjacent in this group, and the downlink radio-frequency signal after RF Amplifier Module 306 power amplifications is exported to the adjacent next antenna of described antenna.

In system shown in Figure 2, the signal stream of the d. c. voltage signal that the power supply injector provides is:

The second port 23 of power supply injector 2 will be exported to from the d. c. voltage signal of power transfer module 21 or energy supply control module 24 the first port 301 of the initial antenna 31 in the first antenna sets 3, the d. c. voltage signal that the power transfer module 302 of initial antenna 31 will acquire is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to adjacent next antenna by the second port 304; The d. c. voltage signal that the power transfer module 302 of other antenna in the first antenna sets 3 also will acquire is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to adjacent next antenna by the second port 304.

In system shown in Figure 2, the signal stream of downlink radio-frequency signal is:

AP1 exports to downlink radio-frequency signal the first port 22 of power supply injector 2 by the first radio frequency interface 11, the second port 23 of power supply injector 2 will be exported to from the downlink radio-frequency signal of first end mouth 22 the first port 301 of the initial antenna 31 in the first antenna sets 3, the digital attenuation module 305 of initial antenna 31 and RF Amplifier Module 306 carry out signal intensity attenuation and power amplification to the lower radiofrequency signal that acquires respectively, be that Anneta module 303 is exported to STA by eating dishes without rice or wine with the downlink radio-frequency signal after decay and amplification, and the downlink radio-frequency signal after will decaying and amplify is exported to adjacent next antenna by the second port 304, the downlink radio-frequency signal that the first port 301 of other each antenna in the first antenna sets 3 obtains from an adjacent upper antenna, the digital attenuation module 305 of antenna and RF Amplifier Module 306 carry out signal intensity attenuation and power amplification to the lower radiofrequency signal that acquires respectively, downlink radio-frequency signal after decay and amplification is exported to STA by eating dishes without rice or wine, and the downlink radio-frequency signal after will decaying and amplify is exported to adjacent next antenna, position, end antenna in the first antenna sets 3 does not have adjacent next antenna, therefore the downlink radio-frequency signal that will not acquire is exported to other antenna.

According to system shown in Figure 2 and operation principle thereof, each antenna in the antenna of series winding all is positioned at the building preposition, transmit successively the d. c. voltage signal that power supply injector 2 provides between antenna, and d. c. voltage signal is converted to the operating voltage signal, carry out work according to the operating voltage signal, can carry out large-scale radiofrequency signal and cover; And, antenna is converted to the operating voltage signal with d. c. voltage signal, for active device (for example digital attenuation module and RF Amplifier Module) provides the operating voltage that is converted to signal, thereby antenna becomes active antenna, can provide radiofrequency signal stable, that signal quality is even, signal strength signal intensity is high for STA, and transmit successively downlink radio-frequency signal between antenna, the downlink radio-frequency signal that is each antenna output is all identical, thereby in the coverage of the first antenna sets 3, STA can reliably obtain downlink radio-frequency signal while moving access efficiently.

Embodiment two

Fig. 7 shows the structure of the WLAN connecting system that the embodiment of the present invention provides, and the annexation between the device that this system is included and device is identical with Fig. 2; Wherein,

AP1, be used for by the up radiofrequency signal of the first radio frequency interface acquisition from power supply injector 2;

Power supply injector 2, be used for external AC power supply is converted to d. c. voltage signal, and the d. c. voltage signal that is converted to is exported to initial antenna 31 in the first antenna sets 3; To export to AP1 by the first radio frequency interface 31 from the up radiofrequency signal of first day line group 3; Preferably, power supply injector 2 also the d. c. voltage signal that is converted to is carried out overcurrent protection and overvoltage protection is processed, and will export to initial antenna 31 in the first antenna sets 3 through the d. c. voltage signal that overcurrent protection and overvoltage protection are processed, for antenna provides more stable and reliable d. c. voltage signal;

Initial antenna 31 in the first antenna sets 3, be used for the d. c. voltage signal of acquisition from power supply injector 2, the d. c. voltage signal that acquires is converted to the operating voltage of antenna, and the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of STA, and acquisition is all exported to power supply injector 2 from the up radiofrequency signal of next antenna adjacent in the first antenna sets with the up radiofrequency signal that acquires;

Other antenna 3n in the first antenna sets, be used for obtaining the d. c. voltage signal that forwards from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of STA, and acquisition is all exported to a upper antenna adjacent with antenna from the up radiofrequency signal of next antenna adjacent in the first antenna sets with the up radiofrequency signal that acquires;

Preferably, each antenna also is used for: the up radiofrequency signal that acquires is carried out low noise amplification, up radiofrequency signal after low noise amplification is exported to a upper antenna or power supply injector 2 adjacent in the first antenna sets, can make up step by step the decay of the transmission paths such as feeder line to up radiofrequency signal.

Following the present invention describes the structure of power supply injector 2 and the structure of antenna 3n.

The structure of the power supply injector that provides in the embodiment of the present invention is provided Fig. 8 a, and this power supply injector comprises:

The first port 22, be connected to the second port 23, is used for exporting to AP1 by the first radio frequency interface 11 from the up radiofrequency signal of the second port 23;

The second port 23, be connected to power transfer module 21, is used for exporting to from the d. c. voltage signal of energy supply control module 21 the initial antenna 31 of the first antenna sets 3; Acquisition is from the up radiofrequency signal of the first antenna sets 3;

Preferably, as shown in Figure 8 b, energy supply control module 24, be used for the d. c. voltage signal from power transfer module 21 is carried out overcurrent protection and overvoltage protection processing,, the second port 23, also be used for exporting to from the d. c. voltage signal of energy supply control module 24 the initial antenna 31 of the first antenna sets 3; , the antenna of voltage injector 2 first antenna sets 3 provides reliable and stable d. c. voltage signal.

, according to above-mentioned power supply injector, can provide d. c. voltage signal for the first antenna sets effectively reliably.

Fig. 9 shows the structure of the antenna equipment that the embodiment of the present invention provides, and this antenna comprises:

The first port 301, be connected to Anneta module 303 and the second port 304, is used for the d. c. voltage signal of acquisition from power supply injector 2; To and from the up radiofrequency signal of the second port 304, export to adjacent a upper antenna or power supply injector 2 from the up radiofrequency signal of Anneta module 303;

Anneta module 303, be used for the up radiofrequency signal of acquisition from site STA;

The second port 304, be used in the situation that described antenna is connected with next antenna adjacent in this group, obtains the up radiofrequency signal from this adjacent next antenna.

Preferably, as shown in figure 10, on the basis of antenna equipment shown in Figure 9, antenna equipment can also comprise:

Low noise amplification module 307, be used for the up radiofrequency signal that the up radiofrequency signal that Anneta module 303 is acquired and the second port 304 acquire and carry out low noise amplification; ,

The first port 301, be used for and will export to adjacent a upper antenna or power supply injector from the up radiofrequency signal of the large module 307 of LNA.

In system shown in Figure 7, the signal stream of the d. c. voltage signal that the power supply injector provides is:

In system shown in Figure 7, the signal stream of up radiofrequency signal is:

Antenna 31 in the first antenna sets 3 ... eating dishes without rice or wine of 3n is the up radiofrequency signal that Anneta module 303 obtains from STA, by the up radiofrequency signal of the second port 304 acquisitions from adjacent next antenna, the up radiofrequency signal that acquires is all exported to an adjacent upper antenna by the first port 301; The up radiofrequency signal from STA that initial antenna 31 in the first antenna sets 3 acquires by Anneta module 303, (this up radiofrequency signal comprises antenna 32 in the first antenna sets 3 to obtain up radiofrequency signal from adjacent next antenna by the second port 304 ... the up radiofrequency signal that 3n acquires), the initial antenna 31 up radiofrequency signal that by the first port 301, will acquire is exported to the second port 23 of power supply injector 2; The up radiofrequency signal that power supply injector 23 acquires the second port 23 by the first port 22 outputs to the first radio frequency interface 11 of AP.

according to system shown in Figure 7 and operation principle thereof, each antenna in the antenna of series winding all is positioned at the building preposition, transmit successively the d. c. voltage signal that power supply injector 2 provides between antenna, and d. c. voltage signal is converted to the operating voltage signal, carry out work according to the operating voltage signal, can carry out large-scale radiofrequency signal and cover, and, antenna is converted to the operating voltage signal with d. c. voltage signal, for active device (for example RF Amplifier Module) provides the operating voltage that is converted to signal, thereby antenna becomes active antenna, can carry out more complicated control operation to transmitting up radiofrequency signal, and the up radiofrequency signal that will acquire between antenna is transmitted to power supply injector 2, power supply injector 2 is exported to AP with up radiofrequency signal, be that the up radiofrequency signal that each antenna acquires all can be exported to AP reliably, thereby in the coverage of the first antenna sets 3 also namely in the coverage of the up radiofrequency signal of same AP, STA can reliably export up radiofrequency signal while moving access efficiently.

Embodiment three

Embodiment one and embodiment two provide respectively the WLAN connecting system that downlink radio-frequency signal and up radiofrequency signal are processed, in the process of specific implementation, the WLAN connecting system that the WLAN connecting system that embodiment one provides and embodiment two provide can be unified setting, also namely corresponding device or module can be unified setting, for example, AP1, power supply injector 2 and each antenna all can be unified setting, thereby reach the purpose of equipment Intensive Design.

The signal stream of the WLAN that unification arranges can, with reference to the stream of the signal in above-described embodiment one and embodiment two, repeat no more here.

The WLAN connecting system that provides by embodiment three, can carry out the covering of large-scale downlink radio-frequency signal and up radiofrequency signal, in the coverage of the first antenna sets 3, STA can reliably obtain efficiently downlink radio-frequency signal and export up radiofrequency signal while moving access.

Embodiment four

Embodiment four on the basis of embodiment one, provides a kind of mechanism of downlink radio-frequency signal coverage and mechanism of downlink radio-frequency signal transmission backup of enlarging.

(1) the following describes the mechanism of the expansion downlink radio-frequency signal coverage that embodiment four provides

Figure 11 shows the structure of the WLAN connecting system that the embodiment of the present invention provides, this system comprises: AP1, power supply injector 2, the first antenna sets 3 and the second antenna sets 4, the first antenna sets 3 comprises at least two antennas 31 by feeder line order series winding ... 3n, the second antenna sets 4 comprises at least two antennas 41 by feeder line order series winding ... 4n, each antenna in the first antenna sets 3 and the second antenna sets 4 lays respectively at preposition in building, the first radio frequency interface 11 of AP1 is connected with power supply injector 2 by feeder line, power supply injector 2 is connected with the initial antenna 31 in the first antenna sets 3 by feeder line, the second radio frequency interface 12 of AP is connected and is connected by feeder line with the power supply injector, power supply injector 2 is connected with the initial antenna 41 in the second antenna sets 4 by feeder line, and, position, end antenna 3n in the first antenna sets 3 is connected with position, the end antenna 4n in the second antenna sets 4 by feeder line,

On the basis of the function of each device of system shown in Figure 2, in system shown in Figure 11, corresponding device also comprises following function:

AP1, also be used for by the second radio frequency interface 12 output downlink radio-frequency signals; Wherein, the first radio frequency interface 11 and the second radio frequency interface 12 are positioned on same radio-frequency module, radio-frequency module is used for baseband signal is converted to radiofrequency signal, and be the single current working pattern between the first radio frequency interface 11 and the second radio frequency interface 12, the single current working pattern can guarantee between the first radio frequency interface 11 and the second radio frequency interface 12 the identical downlink radio-frequency signal of synchronous output, and guarantees the identical downlink radio-frequency signal of each antenna output in each antenna and the second antenna sets in follow-up the first antenna sets;

Power supply injector 2, also be used for the d. c. voltage signal that will be converted to and export to the initial antenna 41 of the second antenna sets 4 from the downlink radio-frequency signal of the second radio frequency interface 12 of AP; Preferably, power supply injector 2 also the d. c. voltage signal that is converted to is carried out overcurrent protection and overvoltage protection is processed, and will export to initial antenna 31 in the first antenna sets 3 and the initial antenna 41 in the second antenna sets 4 through the d. c. voltage signal that overcurrent protection and overvoltage protection are processed, for antenna provides more stable and reliable d. c. voltage signal;

Initial antenna 41 in the second antenna sets 4, be used for d. c. voltage signal and the downlink radio-frequency signal of acquisition from power supply injector 2, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent antenna;

Other antenna 42 in the second antenna sets ... 4n, be used for obtaining the d. c. voltage signal and the downlink radio-frequency signal that forward from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent next antenna.

Preferably, each antenna in the first antenna sets and each antenna in the second antenna sets also are used for: the downlink radio-frequency signal that acquires is carried out signal intensity attenuation and power amplification, the downlink radio-frequency signal after signal intensity attenuation and power amplification is exported to site STA and adjacent next antenna; Antenna carries out signal intensity attenuation and power amplification to downlink radio-frequency signal, can make the signal strength signal intensity of downlink radio-frequency signal of each antenna output roughly suitable, for STA provides signal strength signal intensity uniform downlink radio-frequency signal, make STA can carry out efficient communication, downlink radio-frequency signal after amplifying is exported to adjacent next antenna, can make up step by step the decay of the transmission path such as feeder line to downlink radio-frequency signal.

The structure of the power supply injector 2 that provides in embodiment four as shown in figure 12, comprises:

Power transfer module 21, be used for external AC power supply is converted to d. c. voltage signal;

The second port 23, be connected to power transfer module 21 and the first port 22, is used for and exporting to the initial antenna 31 of the first antenna sets 3 from the d. c. voltage signal of power transfer module 21 from the downlink radio-frequency signal of first end mouth 22;

The 3rd port 25, be used for the radiofrequency signal of acquisition from the second radio frequency interface of AP;

The 4th port 26, be connected to power transfer module 21 and the 3rd port 25, is used for and exporting to the initial antenna 41 of the second antenna sets 4 from the d. c. voltage signal of power transfer module 21 from the downlink radio-frequency signal of the 3rd port 25.

Preferably, as shown in Figure 13 a, on the basis of power supply injector 2 shown in Figure 12, power supply injector 2 can also comprise: energy supply control module 24 is used for the d. c. voltage signal from power transfer module 21 is carried out overcurrent protection and overvoltage protection processing; ; the second port 23 also is connected to energy supply control module 24; energy supply control module 24 has been carried out d. c. voltage signal that overcurrent protection and overvoltage protection process exported to antenna 31 the 4th port 26 and also be connected to energy supply control module 24, energy supply control module 24 has been carried out the d. c. voltage signal that overcurrent protection and overvoltage protection process exported to antenna 41; Thereby voltage injector 2 can provide reliable and stable d. c. voltage signal for the antenna of the first antenna sets 3 and each antenna in the second antenna sets 4.

, according to the power supply injector shown in Figure 12 or Figure 13 a, can be effectively reliably provide d. c. voltage signal for the first antenna sets and the second antenna sets.

In the structure of the antenna equipment that provides in embodiment four and embodiment one, the structure of the antenna equipment shown in Fig. 5 or Fig. 6 is identical, and also, the structure of each antenna in each antenna in the first antenna sets 3 and the second antenna sets 4 is all identical.

In the situation that the first antenna sets 3 and the second antenna sets 4 all with the AP1 proper communication, the signal of the d. c. voltage signal in the signal stream of the d. c. voltage signal in the first antenna sets 3 and the second antenna sets 4 and embodiment one flows identical, repeats no more here.

In the situation that the first antenna sets 3 and the second antenna sets 4 all with the AP1 proper communication, in the signal stream of the downlink radio-frequency signal in the first antenna sets 3 and the second antenna sets 4 and embodiment one, the signal of downlink radio-frequency signal flows identically, repeats no more here.

the WLAN connecting system that provides by embodiment four, utilize two radio frequency interfaces of the same radio-frequency module of AP can be set to the characteristics of single-stream mode (i.e. synchronous output downlink radio-frequency signal), two radio frequency interfaces of the same radio-frequency module of AP are respectively connected one group of antenna sets by the power supply injector respectively, expanded the quantity of the antenna of WLAN connecting system, enlarged the coverage of downlink radio-frequency signal, larger downlink radio-frequency signal access scope can be provided, compared to existing technology, enlarged significantly the access scope of downlink radio-frequency signal, and, each antenna all can be exported identical downlink radio-frequency signal effectively reliably, thereby can be more significantly and effectively solve in prior art the problem of the roaming of the high efficient and reliable in can't realizing in a big way.

(2) the following describes the mechanism of the downlink radio-frequency signal transmission backup that embodiment four provides

as shown in Figure 13 b, on the basis of WLAN connecting system shown in Figure 11, two radio frequency interfaces of the radio-frequency module of AP also connect one group of antenna i.e. the first antenna sets 3 and the second antenna sets 4 by the power supply injector respectively, and position, the end antenna 3n of the first antenna sets 3 is connected by feeder line with position, the end antenna 4n in the second antenna sets 4, in the situation that a radio frequency interface breaks down and can't communicate with corresponding antenna sets, this group antenna can be by transmitting d. c. voltage signal and downlink radio-frequency signal with another group antenna of AP proper communication, thereby realization is communicated by letter with AP's, realize the function of downlink radio-frequency signal transmission backup.

Below the second radio frequency interface 12 take AP1 breaks down and can't communicate the mechanism that the downlink radio-frequency signal transmission backup that the present embodiment provides is described as example with the second antenna sets 4.

In system shown in Figure 11, power supply injector 2 also is used for exporting to from the heartbeat signal (the Beacon frame that for example regularly sends) of the first radio frequency interface 11 of AP1 the initial antenna 31 of the first antenna sets 3, will export to initial antenna 42 in the second antenna sets 4 from the heartbeat signal of the second radio frequency interface 12 of AP1;

Each antenna 31 in the first antenna sets 3 ... 3n, also be used for the heartbeat signal from AP that power supply injector 2 is forwarded or from the heartbeat signal of the adjacent upper antenna of the first antenna sets 3, export to adjacent next antenna; That is, the initial antenna 31 of the first antenna sets 3 will be exported to other antenna 32 in adjacent antenna 32, the first antenna sets 3 from the heartbeat signal of power supply injector 2 ... the heartbeat signal that 3n will acquire is respectively exported to adjacent next antenna;

Each antenna 41 in the second antenna sets 4 ... 4n, also be used for the heartbeat signal from AP that power supply injector 2 is forwarded or from the heartbeat signal of the adjacent upper antenna of the second antenna sets 4, export to adjacent next antenna; , that is, the initial antenna 41 of the second antenna sets 4 will be exported to from the heartbeat signal of power supply injector 2 other antenna 42 of adjacent antenna 42, the first antenna sets 4 ... the heartbeat signal that 4n will acquire is respectively exported to adjacent next antenna;

, in the situation that the radio frequency interface of AP1 breaks down, can't communicate with corresponding antenna sets, the antenna in this antenna sets can't acquire the heartbeat signal that corresponding radio frequency interface issues, on the other hand, the heartbeat signal that position, end antenna in the first antenna sets 3 and the second antenna sets 4 all will acquire is exported to next adjacent antenna, be also, position, the end antenna 3n of the first antenna sets 3 can export to heartbeat signal position, the end antenna 4n in the second antenna sets 4, in like manner, position, end antenna 4n in the second antenna sets 4 also can export to heartbeat signal position, the end antenna 3n of the first antenna sets 3, like this, each antenna can judge the source of the actual heartbeat signal that acquires, thereby whether identification can't communicate with corresponding radio frequency interface, whether need to communicate by another group antenna and AP, concrete principle is as follows:

Position, end antenna 4n in the second antenna sets 4, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the second antenna sets 4, acquisition, from the heartbeat signal of position, the end antenna 3n in the first antenna sets 3, is exported to a upper antenna adjacent in the second antenna sets 4 with the heartbeat signal that acquires; And, in the situation that acquire heartbeat signal from the end position antenna 3n in the first antenna sets 3, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of position, the end antenna 3n in the first antenna sets 3, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the second antenna sets 4;

Other antenna 42 in the second antenna sets ... 4n, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the second antenna sets 4, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the second antenna sets 4; And, in the situation that acquire heartbeat signal from next antenna adjacent in the second antenna sets 4, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of next antenna adjacent in the second antenna sets 4, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the second antenna sets 4;

As seen, in the situation that breaking down, the second radio frequency interface 12 of AP1 can't communicate with the second antenna sets 4, the second antenna sets 4 can forward d. c. voltage signal and downlink radio-frequency signal by the first antenna sets 3 with the first antenna sets 3 as backup path, and realization is communicated by letter with AP's.

In like manner, in the situation that the first radio frequency interface 11 of AP1 breaks down, can't communicate with the first antenna sets 3, the operation principle that system is concrete comprises:

Position, end antenna 3n in the first antenna sets 3, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the first antenna sets 3, acquisition, from the heartbeat signal of position, the end antenna 4n in the second antenna sets 4, is exported to a upper antenna adjacent in the first antenna sets 3 with the heartbeat signal that acquires; And, in the situation that acquire heartbeat signal from the end position antenna 4n in the second antenna sets 4, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of position, the end antenna 4n in the second antenna sets 4, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the first antenna sets 3;

Other antenna 32 in the first antenna sets 3 ... 3n, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the first antenna sets 3, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the first antenna sets 3; And, in the situation that acquire heartbeat signal from next antenna adjacent in the first antenna sets 3, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of next antenna adjacent in the first antenna sets 3, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the first antenna sets 3.

Below take the antenna in the first antenna sets 3 as example, illustrate the structure of the antenna equipment that embodiment four provides.Be understandable that, the antenna in the second antenna sets also has identical structure.

Particularly, as shown in figure 14, the antenna equipment that embodiment four provides on the basis of antenna equipment shown in Figure 5, also comprises:

Monitoring module 308, be used for acquiring in the situation that monitor the first port 301 heartbeat signal that forwards from the upper antenna that AP1 is that forward by power supply injector 2 or the first antenna sets 3 is adjacent, control the path that is communicated with between the first port 301 to second ports 304, do not acquire heartbeat signal in the situation that monitor the first port 301, control the path that is communicated with between the second port 304 to first ports 301; ,

The first port 301, be used in the situation that the path between the first port 301 to second ports 304 is communicated with, and obtains downlink radio-frequency signal and d. c. voltage signal from power supply injector 2 or an adjacent upper antenna; In the situation that the path between the second port 304 to first ports 301 is communicated with, heartbeat signal, downlink radio-frequency signal and d. c. voltage signal that the second port 304 acquires are exported to the adjacent upper antenna of described antenna;

Power transfer module 302, be used in the situation that the path between the first port 301 to second ports 304 is communicated with, and the d. c. voltage signal that the first port 301 is acquired is converted to the operating voltage signal of described antenna; In the situation that the path between the second port 304 to first ports 301 is communicated with, the d. c. voltage signal that the second port 304 is acquired is converted to the operating voltage signal of described antenna;

Anneta module 303, be used for, in the situation that the path between the first port 301 to second ports 304 is communicated with, the downlink radio-frequency signal that the first port 301 acquires is exported to STA; In the situation that the path between the second port 304 to first ports 301 is communicated with, the downlink radio-frequency signal that the second port 304 acquires is exported to STA;

The second port 304, be used for, in the situation that the path between the first port 301 to second ports 304 is communicated with, heartbeat signal, downlink radio-frequency signal and d. c. voltage signal that the first port 301 acquires are exported to the adjacent next antenna of described antenna; , in the situation that the path between the second port 304 to first ports 301 is communicated with, obtain from the end position antenna 4n in the second antenna sets 4 or from described antenna adjacent upper antenna heartbeat signal, downlink radio-frequency signal and a d. c. voltage signal.

As shown in figure 15, the antenna equipment that embodiment four provides is on the basis of antenna equipment shown in Figure 6, and corresponding module also is used for:

Anneta module 303, be used for the downlink radio-frequency signal after RF Amplifier Module 306 power amplifications is exported to site STA;

The second port 304, be used for, in the situation that the path between the first port 301 to second ports 304 is communicated with, the downlink radio-frequency signal after RF Amplifier Module 306 power amplifications is exported to the adjacent next antenna of described antenna;

The first port 301, be used for, in the situation that the path between the second port 304 to first ports 301 is communicated with, the downlink radio-frequency signal after RF Amplifier Module 306 power amplifications is exported to the adjacent upper antenna of described antenna.

Below with the second radio frequency interface 12 of AP1, break down can't communicate with the second antenna sets 4, the second antenna 4 communicates as the signal stream in example explanation the second antenna sets 4 with AP1 by the first antenna sets 3.

After the second radio frequency interface 12 broke down, the signal stream of the d. c. voltage signal in the second antenna sets 4 was:

The second port 304 of position, the end antenna 4n of the second antenna sets 4 obtains the d. c. voltage signal from the second port 304 outputs of position, the end antenna 3n in the first antenna sets 3, the d. c. voltage signal that the power transfer module 302 of position, end antenna 4n will acquire is converted to the operating voltage signal of antenna, and the d. c. voltage signal that antenna 4n the first port 301 in position, end also will acquire is by exporting to the adjacent upper antenna of end position antenna 4n; The d. c. voltage signal that the power transfer module 302 of other antenna in the second antenna sets 4 also acquires the second port 304 of this antenna is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to the second port 304 of a upper antenna adjacent with antenna by the first port 301.

After the second radio frequency interface 12 broke down, the signal stream of the downlink radio-frequency signal in the second antenna sets 4 was:

The second port 304 of position, the end antenna 4n of the second antenna sets 4 obtains the downlink radio-frequency signal from the second port 304 outputs of position, the end antenna 3n in the first antenna sets 3, digital attenuation module 305 and the RF Amplifier Module 306 of position, end antenna 4n carry out signal intensity attenuation and power amplification to the radiofrequency signal that the second port 304 acquires respectively, the downlink radio-frequency signal of Anneta module 303 after with signal intensity attenuation and power amplification exported to STA, and the downlink radio-frequency signal after will decaying and amplify is exported to an adjacent upper antenna by the first port 301; The downlink radio-frequency signal that the second port 301 of other antenna in the second antenna sets 4 obtains from a upper antenna, the digital attenuation module 305 of antenna and RF Amplifier Module 306 carry out signal intensity attenuation and power amplification to the downlink radio-frequency signal that acquires respectively, the downlink radio-frequency signal of Anneta module 303 after with signal intensity attenuation and power amplification exported to STA, and the downlink radio-frequency signal of the first port 301 after with signal intensity attenuation and power amplification is by exporting to an adjacent upper antenna.

to sum up, the WLAN connecting system that embodiment four provides, can significantly effectively enlarge by the quantity of extended antenna the coverage of downlink radio-frequency signal on the one hand, can carry out the downlink radio-frequency signal transmission backup by the backup path that the first antenna sets and the second antenna sets form mutually on the other hand, thereby STA is in the downlink radio-frequency signal coverage of same AP during mobile access in the downlink radio-frequency signal coverage of the first antenna sets 3 and the second antenna sets 4, can reliably obtain efficiently downlink radio-frequency signal, can be significantly and effectively solve in prior art the problem of the roaming of the high efficient and reliable in can't realizing in a big way.

Embodiment five

Embodiment five on the basis of embodiment two, provides a kind of mechanism of up radiofrequency signal coverage and mechanism of up radio signal transmission backup of enlarging.

(1) the following describes the mechanism of the up radiofrequency signal coverage of expansion that embodiment four provides

Figure 16 shows the structure of the WLAN connecting system that the embodiment of the present invention provides, and comprising:

AP1, also be used for obtaining up radiofrequency signal by the second radio frequency interface 12; Wherein, the first radio frequency interface 11 and the second radio frequency interface 12 are positioned on same radio-frequency module, and radio-frequency module is used for radiofrequency signal is converted to baseband signal, and are the single current working pattern between the first radio frequency interface 11 and the second radio frequency interface 12;

Power supply injector 2, the d. c. voltage signal that also is used for being converted to is exported to the initial antenna 41 of the second antenna sets 4, will export to AP1 by the second radio frequency interface 12 from the up radiofrequency signal of second day line group 4; Preferably, power supply injector 2 also the d. c. voltage signal that is converted to is carried out overcurrent protection and overvoltage protection is processed, and will export to initial antenna 41 in the second antenna sets 4 through the d. c. voltage signal that overcurrent protection and overvoltage protection are processed, for antenna provides more stable and reliable d. c. voltage signal;

Initial antenna 41 in the second antenna sets 4, be used for the d. c. voltage signal of acquisition from power supply injector 2, the d. c. voltage signal that acquires is converted to the operating voltage of antenna, and the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of STA, and acquisition is all exported to power supply injector 2 from the up radiofrequency signal of adjacent next antenna with the up radiofrequency signal that acquires;

Other antenna 42 in the second antenna sets 4 ... 4n, be used for obtaining the d. c. voltage signal that forwards from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of STA, and acquisition is all exported to an adjacent upper antenna from the up radiofrequency signal of adjacent next antenna with the up radiofrequency signal that acquires.

Preferably, each antenna in the first antenna sets 3 and the second antenna sets 4 also is used for: the up radiofrequency signal that acquires is carried out low noise amplification, up radiofrequency signal after low noise amplification is exported to a upper antenna or power supply injector 2 adjacent in the first antenna sets, can make up step by step the decay of the transmission paths such as feeder line to up radiofrequency signal.

Figure 17 shows the structure of the power supply injector that the embodiment of the present invention provides, and comprising:

The second port 23, be connected to power transfer module 21, is used for exporting to from the d. c. voltage signal of power transfer module 21 the initial antenna 31 of the first antenna sets 3; Acquisition is from the up radiofrequency signal of the first antenna sets 3;

The 3rd port 23, be connected to the 4th port 26, is used for exporting to AP1 by the second radio frequency interface 12 from the up radiofrequency signal of the 4th port 26;

The 4th port 26, be connected to power transfer module 21, is used for exporting to from the d. c. voltage signal of power transfer module 21 the initial antenna 41 of the second antenna sets 4; Acquisition is from the up radiofrequency signal of the second antenna sets 4.

Preferably, as shown in Figure 18 a, on the basis of power supply injector shown in Figure 17, the power supply injector can also comprise: energy supply control module 24 is used for the d. c. voltage signal from power transfer module 21 is carried out overcurrent protection and overvoltage protection processing; , the second port 23, also be connected to energy supply control module 24, also is used for exporting to from the d. c. voltage signal of energy supply control module 24 the initial antenna 31 of the first antenna sets 3; The 4th port 26, also be connected to energy supply control module 24, also is used for exporting to from the d. c. voltage signal of energy supply control module 24 the initial antenna 41 of the second antenna sets 4.Thereby voltage injector 2 can provide reliable and stable d. c. voltage signal for the antenna of the first antenna sets 3 and each antenna in the second antenna sets 4.

, according to the power supply injector shown in Figure 17 or Figure 18 a, can be effectively reliably provide d. c. voltage signal for the first antenna sets and the second antenna sets.

In the structure of the antenna equipment that provides in embodiment five and embodiment two, the structure of the antenna equipment shown in Fig. 9 or Figure 10 is identical, and also, the structure of each antenna in each antenna in the first antenna sets 3 and the second antenna sets 4 is all identical.

In the situation that the first antenna sets 3 and the second antenna sets 4 all with the AP1 proper communication, in the signal stream of the d. c. voltage signal in the first antenna sets 3 and the second antenna sets 4 and embodiment two, the signal of d. c. voltage signal flows identically, repeats no more here.

In the situation that the first antenna sets 3 and the second antenna sets 4 all with the AP1 proper communication, in the signal stream of the up radiofrequency signal in the first antenna sets 3 and the second antenna sets 4 and embodiment two, the signal of up radiofrequency signal flows identically, repeats no more here.

the WLAN connecting system that provides by embodiment five, utilize two radio frequency interfaces of the same radio-frequency module of AP can be set to the characteristics of single-stream mode (being the up radiofrequency signal of synchronization gain), two radio frequency interfaces of the same radio-frequency module of AP are respectively connected one group of antenna sets by the power supply injector respectively, expanded the quantity of the antenna of WLAN connecting system, enlarged the coverage of up radiofrequency signal, larger up radiofrequency signal access scope can be provided, compared to existing technology, enlarged significantly the access scope of up radiofrequency signal, and, the up radiofrequency signal that each antenna acquires all can be exported to AP reliably, thereby can be more significantly and effectively solve in prior art the problem of the roaming of the high efficient and reliable in can't realizing in a big way.

(2) the following describes the mechanism of the up radio signal transmission backup that embodiment five provides

as shown in Figure 18 b, on the basis of WLAN connecting system shown in Figure 16, two radio frequency interfaces of the radio-frequency module of AP connect one group of antenna by the power supply injector respectively, i.e. the first antenna sets 3 and the second antenna sets 4, and position, the end antenna 3n of the first antenna sets 3 is connected by feeder line with position, the end antenna 4n in the second antenna sets 4, in the situation that a radio frequency interface breaks down and can't communicate with corresponding antenna sets, this group antenna can be by transmitting d. c. voltage signal and up radiofrequency signal with another group antenna of AP proper communication, thereby realization is communicated by letter with AP's, realize the function of up radio signal transmission backup.

Below the second radio frequency interface 12 take AP1 breaks down and can't communicate the mechanism that the up radio signal transmission backup that the present embodiment provides is described as example with the second antenna sets 4.

In system shown in Figure 16, power supply injector 2 also is used for exporting to from the heartbeat signal of the first radio frequency interface 11 of AP1 the initial antenna 31 of the first antenna sets 3, will export to initial antenna 42 in the second antenna sets 4 from the heartbeat signal of the second radio frequency interface 12 of AP1;

Each antenna 31 in the first antenna sets 3 ... 3n, also be used for the heartbeat signal from AP1 that power supply injector 2 is forwarded or from the heartbeat signal of the adjacent upper antenna of the first antenna sets 3, export to adjacent next antenna;

Each antenna 41 in the second antenna sets 4 ... 4n, also be used for the heartbeat signal from AP that power supply injector 2 is forwarded or from the heartbeat signal of the adjacent upper antenna of the second antenna sets 4, export to adjacent next antenna;

, in the situation that the radio frequency interface of AP1 breaks down, can't communicate with corresponding antenna sets, the antenna in this antenna sets can't acquire the heartbeat signal that corresponding radio frequency interface issues, on the other hand, the heartbeat signal that position, end antenna in the first antenna sets 3 and the second antenna sets 4 all will acquire is exported to next adjacent antenna, be also, position, the end antenna 31 of the first antenna sets 3 can be exported to heartbeat signal position, the end antenna 41 in the second antenna sets 4, in like manner, position, end antenna 41 in the second antenna sets 4 also can be exported to heartbeat signal position, the end antenna 31 of the first antenna sets 3, like this, each antenna can judge the source of the actual heartbeat signal that acquires, thereby whether identification can't communicate with corresponding radio frequency interface, whether need to communicate by another group antenna and AP, concrete principle is as follows:

position, end antenna 4n in the second antenna sets 4, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the second antenna sets 4, acquisition, from the heartbeat signal of position, the end antenna 3n in the first antenna sets 3, is exported to a upper antenna adjacent in the second antenna sets 4 with the heartbeat signal that acquires, and, in the situation that acquire heartbeat signal from the end position antenna 3n in the first antenna sets 3, acquisition is from the d. c. voltage signal of position, the end antenna 3n in the first antenna sets 3, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the second antenna sets 4, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the second antenna sets 4, and the up radiofrequency signal that will acquire is exported to position, end antenna 3n in the first antenna sets 3,

other antenna 42 in the second antenna sets 4 ... 4n, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the second antenna sets 4, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the second antenna sets 4, and, in the situation that acquire heartbeat signal from next antenna adjacent in the second antenna sets 4, acquisition is from the d. c. voltage signal of next antenna adjacent in the second antenna sets 4, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the second antenna sets 4, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the second antenna sets 4, and the up radiofrequency signal that will acquire is exported to next antenna adjacent in the second antenna sets 4,

As seen, in the situation that breaking down, the second radio frequency interface 12 of AP1 can't communicate with the second antenna sets 4, the second antenna sets 4 can forward d. c. voltage signal and up radiofrequency signal by the first antenna sets 3 with the first antenna sets 3 as backup path, and realization is communicated by letter with AP's.

position, end antenna 3n in the first antenna sets 3, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the first antenna sets 3, acquisition, from the heartbeat signal of position, the end antenna in the second antenna sets 4, is exported to a upper antenna adjacent in the first antenna sets 3 with the heartbeat signal that acquires, and, in the situation that acquire heartbeat signal from the end position antenna 4n in the second antenna sets 4, acquisition is from the d. c. voltage signal of position, the end antenna 4n in the second antenna sets 4, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the first antenna sets 4, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the first antenna sets, and the up radiofrequency signal that will acquire is exported to position, the end antenna 4n in the second antenna sets 4,

other antenna 32 in the first antenna sets 3 ... 3n, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the first antenna sets 3, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the first antenna sets 3, and, in the situation that acquire heartbeat signal from next antenna adjacent in the first antenna sets 3, acquisition is from the d. c. voltage signal of next antenna adjacent in the first antenna sets 3, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the first antenna sets, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the first antenna sets, and the up radiofrequency signal that will acquire is exported to next antenna adjacent in the first antenna sets.

Below take the antenna in the first antenna sets as example, illustrate the structure of the antenna equipment that embodiment four provides.Be understandable that, the antenna in the second antenna sets also has identical structure.

Particularly, as shown in figure 19, on the basis of the antenna equipment shown in Figure 9 of the antenna equipment that embodiment five provides in embodiment two, also comprise:

Monitoring module 308, be used for acquiring the heartbeat signal of the upper antenna forwarding that is forwarded by the power supply injector from AP or the first antenna sets 3 is adjacent in the situation that monitor the first port 301, control the path that is communicated with between the first port 301 to second ports 304, do not acquire heartbeat signal in the situation that monitor the first port 301, control the path that is communicated with between the second port 304 to first ports 301; ,

The first port 301, be used in the situation that the path between the first port 301 to second ports 304 is communicated with, acquisition is from power supply injector 2 or from the d. c. voltage signal of the adjacent upper antenna of described antenna, the up radiofrequency signal from STA that Anneta module 303 is acquired, from the up radiofrequency signal of the second port 304, exports to power supply injector 2 or the adjacent upper antenna of described antenna; In the situation that the path between the second port 304 to first ports 301 is communicated with, heartbeat signal and d. c. voltage signal that the second port 304 acquires are exported to the adjacent upper antenna of described antenna, obtain the up radiofrequency signal from the adjacent upper antenna of described antenna;

The second port 304, be used in the situation that the path between the first port 301 to second ports 304 is communicated with, heartbeat signal and d. c. voltage signal that the first port 301 acquires are exported to the adjacent next antenna of described antenna, obtain the up radiofrequency signal from the adjacent next antenna of described antenna; In the situation that the path between the second port 304 to first ports 301 is communicated with, acquisition is from the end position antenna 4n in the second antenna sets 4 or from heartbeat signal and the d. c. voltage signal of the adjacent next antenna of described antenna, and the up radiofrequency signal that the up radiofrequency signal that the first port 304 is acquired and Anneta module 303 acquire is exported to the adjacent upper antenna of described antenna.

As shown in figure 20, the antenna equipment that embodiment four provides is on the basis of antenna equipment shown in Figure 10, and corresponding module also is used for:

The first port 301, be used for, in the situation that the path between the first port 301 to second ports 304 is communicated with, the up radiofrequency signal after low noise amplification module 307 low noise amplifications is sent to power supply injector 2 or the adjacent upper antenna of described antenna;

The second port 304, be used in the situation that the path between the second port 304 to first ports 301 is communicated with, and just the up radiofrequency signal after low noise amplification module 307 low noise amplifications sends to the adjacent next antenna of described antenna.

After the second radio frequency interface 12 broke down, the signal stream of the up radiofrequency signal in the second antenna sets 4 was:

The up radiofrequency signal that the Anneta module 303 of other each antenna in the second antenna sets 4 obtains from STA, the up radiofrequency signal that the first port 301 obtains from a upper antenna, the up radiofrequency signal that 307 pairs of Anneta modules 303 of low noise amplification module and the first port 301 acquire is carried out low noise amplification, and the up radiofrequency signal after low noise amplification is exported to an adjacent upper antenna by the second port 304; The up radiofrequency signal that the Anneta module 303 of position, the end antenna 4n of the second antenna sets 4 obtains from STA, the up radiofrequency signal that the first port 301 obtains from a upper antenna, the upper radiofrequency signal that 307 pairs of Anneta modules 303 of low noise amplification module of end position antenna 4n and the first port 301 acquire is carried out low noise amplification, and the up radiofrequency signal after low noise amplification is exported to position, end antenna 3n in the first antenna sets 3 by the second port 304; The up radiofrequency signal that position, end antenna 3n in the first antenna sets 3 and other each antenna will acquire is step by step exported to power supply injector 2, and power supply injector 2 is exported to AP1 with up radiofrequency signal by the first radio frequency interface 11.

to sum up, the WLAN connecting system that embodiment five provides, can significantly effectively enlarge by the quantity of extended antenna the coverage of up radiofrequency signal on the one hand, can carry out by the backup path that the first antenna sets and the second antenna sets form mutually on the other hand up radio signal transmission backup, thereby STA is mobile access in the up radiofrequency signal coverage of the first antenna sets 3 and the second antenna sets 4, can reliably export efficiently up radiofrequency signal, can be significantly and effectively solve in prior art the problem of the roaming of the high efficient and reliable in can't realizing in a big way.

Embodiment six

Embodiment four and embodiment five provide respectively the WLAN connecting system that downlink radio-frequency signal and up radiofrequency signal are processed, in the process of specific implementation, the WLAN connecting system that the WLAN connecting system that embodiment four provides and embodiment five provide can be unified setting, also namely corresponding device or module can be unified setting, for example, AP1, power supply injector 2 and each antenna all can be unified setting, thereby reach the purpose of equipment Intensive Design.

The signal stream of the WLAN that unification arranges can, with reference to the stream of the signal in above-described embodiment four and embodiment five, repeat no more here.

The WLAN connecting system that provides by embodiment stream, can carry out the covering of large-scale downlink radio-frequency signal and up radiofrequency signal, in the coverage of the first antenna sets 3 and the second antenna sets 4, STA can reliably obtain efficiently downlink radio-frequency signal and export up radiofrequency signal while moving access.

in sum, the technical scheme that provides according to the embodiment of the present invention, the power supply injector is set between AP and antenna sets, and, antenna sets comprises at least two antennas by feeder line order series winding, each antenna lays respectively at preposition in building, the power supply injector is exported to d. c. voltage signal on the antenna that is connected, the d. c. voltage signal that each antenna will obtain is exported to adjacent next antenna, the d. c. voltage signal that each antenna will acquire is converted to the operating voltage of antenna, thereby realize that the power supply injector is each antenna power supply, as long as the power supply capacity of power supply injector allows just the antenna of quantity as much as possible to be set, this quantity can be divided the quantity of the antenna that arranges in WLAN significantly greater than chamber in prior art, thereby can reach large-scale radiofrequency signal covers,

And,, because the power supply of power supply injector makes antenna become active antenna, can carry out more complicated control and process; The power supply injector will be transmitted to from the downlink radio-frequency signal of AP the initial antenna in antenna sets, each antenna is transmitted to adjacent next antenna with the downlink radio-frequency signal from AP that the power supply injector forwards, each antenna also will be transmitted to from the up radiofrequency signal of STA an adjacent upper antenna, and initial antenna will be from STA's and from the up radiofrequency signal of other each antenna, by the power supply injector, is transmitted to AP; Be also, the downlink radio-frequency signal that each antenna acquires is all identical, the up radiofrequency signal that each antenna acquires also can be exported to AP reliably, when thereby STA moves access in the coverage of the first antenna sets, can avoid roaming and export reliably and obtain radiofrequency signal.

One of ordinary skill in the art will appreciate that and realize that all or part of step that above-described embodiment method is carried is to come the relevant hardware of instruction to complete by program, described program can be stored in a kind of computer-readable recording medium, this program when carrying out, comprises step of embodiment of the method one or a combination set of.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module uses that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.

Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code one or more.

The present invention describes with reference to flow chart and/or the block diagram of method, equipment (system) and computer program according to the embodiment of the present invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of realizing in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step to produce computer implemented processing, thereby be provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction of carrying out on computer or other programmable devices.

Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.

Claims

1. WLAN (wireless local area network) connecting system, it is characterized in that, comprise: wireless access point AP, power supply injector and the first antenna sets, the first antenna sets comprises at least two antennas by feeder line order series winding, each antenna lays respectively at preposition in building, the first radio frequency interface of AP is connected with the power supply injector by feeder line, and the power supply injector is connected with the initial antenna in the first antenna sets by feeder line;

AP, be used for by the first radio frequency interface output downlink radio-frequency signal;

The power supply injector, be used for external AC power supply is converted to d. c. voltage signal, with the d. c. voltage signal that is converted to from the downlink radio-frequency signal of AP, exports to initial antenna in the first antenna sets;

Initial antenna in the first antenna sets, be used for d. c. voltage signal and the downlink radio-frequency signal of acquisition from the power supply injector, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent antenna;

Other antenna in the first antenna sets, be used for obtaining the d. c. voltage signal and the downlink radio-frequency signal that forward from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent next antenna.

2. system according to claim 1, it is characterized in that, described system also comprises: the second antenna sets, the second antenna sets comprises at least two antennas by feeder line order series winding, the second radio frequency interface of AP connects by feeder line with the power supply injector, and the power supply injector is connected with the initial antenna in the second antenna sets by feeder line; ,

AP, also be used for by the second radio frequency interface output downlink radio-frequency signal; Wherein, the first radio frequency interface and the second radio frequency interface are positioned on same radio-frequency module, and radio-frequency module is used for baseband signal is converted to radiofrequency signal, and are the single current working pattern between the first radio frequency interface and the second radio frequency interface;

The power supply injector, also be used for the d. c. voltage signal that will be converted to and export to the initial antenna of the second antenna sets from the downlink radio-frequency signal of the second radio frequency interface of AP;

Initial antenna in the second antenna sets, be used for d. c. voltage signal and the downlink radio-frequency signal of acquisition from the power supply injector, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent antenna;

Other antenna in the second antenna sets, be used for obtaining the d. c. voltage signal and the downlink radio-frequency signal that forward from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to adjacent next antenna.

3. system according to claim 2, is characterized in that, position, the end antenna in the first antenna sets is connected with position, the end antenna in the second antenna sets by feeder line; The power supply injector also is used for exporting to from the heartbeat signal of the first radio frequency interface of AP the initial antenna of the first antenna sets, will export to initial antenna in the second antenna sets from the heartbeat signal of the second radio frequency interface of AP;

Each antenna in the first antenna sets, also be used for the heartbeat signal from AP that the power supply injector is forwarded or from the heartbeat signal of the adjacent upper antenna of the first antenna sets, export to adjacent next antenna;

Each antenna in the second antenna sets, also be used for the heartbeat signal from AP that the power supply injector is forwarded or from the heartbeat signal of the adjacent upper antenna of the second antenna sets, export to adjacent next antenna; ,

Position, end antenna in the second antenna sets, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the second antenna sets, acquisition, from the heartbeat signal of position, the end antenna in the first antenna sets, is exported to a upper antenna adjacent in the second antenna sets with the heartbeat signal that acquires; And, in the situation that acquire heartbeat signal from the end position antenna in the first antenna sets, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of position, the end antenna in the first antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the second antenna sets;

Other antenna in the second antenna sets, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the second antenna sets, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the second antenna sets; And, in the situation that acquire heartbeat signal from next antenna adjacent in the second antenna sets, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of next antenna adjacent in the second antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the second antenna sets; Perhaps,

Position, end antenna in the first antenna sets, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the first antenna sets, acquisition, from the heartbeat signal of position, the end antenna in the second antenna sets, is exported to a upper antenna adjacent in the first antenna sets with the heartbeat signal that acquires; And, in the situation that acquire heartbeat signal from the end position antenna in the second antenna sets, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of position, the end antenna in the second antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the first antenna sets;

Other antenna in the first antenna sets, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the first antenna sets, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the first antenna sets; And, in the situation that acquire heartbeat signal from next antenna adjacent in the first antenna sets, acquisition is from d. c. voltage signal and the downlink radio-frequency signal of next antenna adjacent in the first antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the downlink radio-frequency signal that acquires of output, and the d. c. voltage signal that will acquire and downlink radio-frequency signal are exported to a upper antenna adjacent in the first antenna sets.

4. system according to claim 2, is characterized in that, the power supply injector also is used for:

The d. c. voltage signal that is converted to is carried out overcurrent protection and overvoltage protection processing;

To export to initial antenna in the first antenna sets and the initial antenna in the second antenna sets through the d. c. voltage signal that overcurrent protection and overvoltage protection are processed.

5. the described system of any one according to claim 1～4, is characterized in that, each antenna also is used for:

The downlink radio-frequency signal that acquires is carried out signal intensity attenuation and power amplification, the downlink radio-frequency signal after signal intensity attenuation and power amplification is exported to site STA and adjacent antenna.

6. power supply injector equipment, it is characterized in that, described power supply injector equipment is the power supply injector in WLAN (wireless local area network) connecting system as claimed in claim 1, described power supply injector is connected to the first radio frequency interface of wireless access point AP by feeder line, also by feeder line, be connected to initial antenna in the first antenna sets, the first antenna sets comprises that described power supply injector equipment comprises by at least two antennas of feeder line order series winding:

Power transfer module, be used for external AC power supply is converted to d. c. voltage signal;

The first port, be used for the downlink radio-frequency signal of acquisition from the first radio frequency interface of AP;

The second port, be used for and will and export to the initial antenna of the first antenna sets from the d. c. voltage signal of power transfer module from the downlink radio-frequency signal of first end mouth.

7. power supply injector equipment according to claim 6, it is characterized in that, described power supply injector also is connected to the second radio frequency interface of AP by feeder line, be connected to initial antenna in the second antenna sets by feeder line, the second antenna sets comprises that described power supply injector equipment also comprises by at least two antennas of feeder line order series winding:

The 3rd port, be used for the radiofrequency signal of acquisition from the second radio frequency interface of AP;

The 4th port, be used for and will and export to the initial antenna of the second antenna sets from the d. c. voltage signal of power transfer module from the downlink radio-frequency signal of the 3rd port.

8. power supply injector equipment according to claim 7, is characterized in that, described power supply injector equipment also comprises:

Energy supply control module, be used for the d. c. voltage signal from power transfer module is carried out overcurrent protection and overvoltage protection processing; ,

The second port, also be used for exporting to from the d. c. voltage signal of energy supply control module the initial antenna of the first antenna sets;

The 4th port, also be used for exporting to from the d. c. voltage signal of energy supply control module the initial antenna of the second antenna sets.

9. antenna equipment, it is characterized in that, described antenna is an antenna in the first antenna sets in WLAN (wireless local area network) WLAN connecting system in claim 1, in the WLAN connecting system, the first antenna sets comprises at least two antennas by feeder line order series winding, described antenna is arranged in the building preposition, initial antenna in described the first antenna sets is connected to the power supply injector by feeder line, the power supply injector is connected to the first radio frequency interface of wireless access point AP by feeder line, described antenna comprises:

The first port, be used for to obtain downlink radio-frequency signal and d. c. voltage signal from power supply injector or an adjacent upper antenna; Wherein, downlink radio-frequency signal is that AP exports to the power supply injector, and d. c. voltage signal is that the power supply injector presses the signal conversion to get external AC;

Power transfer module, be used for the d. c. voltage signal that the first port acquires is converted to the operating voltage signal of described antenna;

Anneta module, be used for the downlink radio-frequency signal that the first port acquires is exported to site STA;

The second port, be used for the downlink radio-frequency signal that the first port acquires is exported to the adjacent next antenna of described antenna.

10. antenna equipment according to claim 9, it is characterized in that, under described antenna, the WLAN connecting system also comprises the second antenna sets, the second radio frequency interface of AP also connects the power supply injector by feeder line, the power supply injector also is connected to the initial antenna in the second antenna sets, the second antenna sets comprises at least two antennas by feeder line order series winding, and position, the end antenna of the first antenna sets is connected with position, the end antenna in the second antenna sets, and described antenna equipment also comprises:

Monitoring module, be used for acquiring the heartbeat signal of the upper antenna forwarding that is forwarded by the power supply injector from AP or the first antenna sets is adjacent in the situation that monitor the first port, control the path that is communicated with between the first port to the second port, do not acquire heartbeat signal in the situation that monitor the first port, control the path that is communicated with between the second port to the first port; ,

The first port, be used in the situation that the path between the first port to the second port is communicated with, and obtains downlink radio-frequency signal and d. c. voltage signal from power supply injector or an adjacent upper antenna; In the situation that the path between the second port to the first port is communicated with, heartbeat signal, downlink radio-frequency signal and d. c. voltage signal that the second port acquires are exported to the adjacent upper antenna of described antenna;

Power transfer module, be used in the situation that the path between the first port to the second port is communicated with, and the d. c. voltage signal that the first port is acquired is converted to the operating voltage signal of described antenna; In the situation that the path between the second port to the first port is communicated with, the d. c. voltage signal that the second port is acquired is converted to the operating voltage signal of described antenna;

Anneta module, be used for, in the situation that the path between the first port to the second port is communicated with, the downlink radio-frequency signal that the first port acquires is exported to site STA; In the situation that the path between the second port to the first port is communicated with, the downlink radio-frequency signal that the second port acquires is exported to STA;

The second port, be used for, in the situation that the path between the first port to the second port is communicated with, heartbeat signal, downlink radio-frequency signal and d. c. voltage signal that the first port acquires are exported to the adjacent next antenna of described antenna; , in the situation that the path between the second port to the first port is communicated with, obtain from the end position antenna in the second antenna sets or from described antenna adjacent upper antenna heartbeat signal, downlink radio-frequency signal and a d. c. voltage signal.

11. antenna equipment according to claim 10, is characterized in that, described antenna equipment also comprises:

The numeral attenuation module, be used for the signal strength signal intensity according to the downlink radio-frequency signal that acquires, and determines the attenuation that downlink radio-frequency signal is decayed, and according to the signal strength signal intensity of the attenuation of determining to the downlink radio-frequency signal that acquires, decays;

RF Amplifier Module, be used for the downlink radio-frequency signal after digital attenuation module decay is carried out power amplification; ,

Anneta module, be used for the downlink radio-frequency signal after the RF Amplifier Module power amplification is exported to site STA;

The second port, be used for, in the situation that the path between the first port to the second port is communicated with, the downlink radio-frequency signal after the RF Amplifier Module power amplification is exported to the adjacent next antenna of described antenna;

The first port, be used for, in the situation that the path between the second port to the first port is communicated with, the downlink radio-frequency signal after the RF Amplifier Module power amplification is exported to the adjacent upper antenna of described antenna.

12. WLAN (wireless local area network) connecting system, it is characterized in that, comprise: wireless access point AP, power supply injector and the first antenna sets, the first antenna sets comprises at least two antennas by feeder line order series winding, each antenna lays respectively at preposition in building, the first radio frequency interface of AP is connected with the power supply injector by feeder line, and the power supply injector is connected with the initial antenna in the first antenna sets by feeder line;

AP, be used for by the up radiofrequency signal of the first radio frequency interface acquisition from the power supply injector;

The power supply injector, be used for external AC power supply is converted to d. c. voltage signal, and the d. c. voltage signal that is converted to is exported to initial antenna in the first antenna sets; To export to AP by the first radio frequency interface from the up radiofrequency signal of first day line group;

Initial antenna in the first antenna sets, be used for the d. c. voltage signal of acquisition from the power supply injector, the d. c. voltage signal that acquires is converted to the operating voltage of antenna, and the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of site STA, and acquisition is all exported to the power supply injector from the up radiofrequency signal of next antenna adjacent in the first antenna sets with the up radiofrequency signal that acquires;

Other antenna in the first antenna sets, be used for obtaining the d. c. voltage signal that forwards from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of STA, and acquisition is all exported to an adjacent upper antenna from the up radiofrequency signal of next antenna adjacent in the first antenna sets with the up radiofrequency signal that acquires.

13. system according to claim 12, it is characterized in that, described system also comprises: the second antenna sets, the second antenna sets comprises at least two antennas by feeder line order series winding, the second radio frequency interface of AP connects by feeder line with the power supply injector, and the power supply injector is connected with the initial antenna in the second antenna sets by feeder line; ,

AP, also be used for obtaining up radiofrequency signal by the second radio frequency interface; Wherein, the first radio frequency interface and the second radio frequency interface are positioned on same radio-frequency module, and radio-frequency module is used for radiofrequency signal is converted to baseband signal, and are the single current working pattern between the first radio frequency interface and the second radio frequency interface;

The power supply injector, the d. c. voltage signal that also is used for being converted to is exported to the initial antenna of the second antenna sets, will export to AP by the second radio frequency interface from the up radiofrequency signal of second day line group;

Initial antenna in the second antenna sets, be used for the d. c. voltage signal of acquisition from the power supply injector, the d. c. voltage signal that acquires is converted to the operating voltage of antenna, and the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of site STA, and acquisition is all exported to the power supply injector from the up radiofrequency signal of adjacent next antenna with the up radiofrequency signal that acquires;

Other antenna in the second antenna sets, be used for obtaining the d. c. voltage signal that forwards from an adjacent upper antenna, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, the d. c. voltage signal that obtains is exported to adjacent next antenna; Acquisition is from the up radiofrequency signal of STA, and acquisition is all exported to an adjacent upper antenna from the up radiofrequency signal of adjacent next antenna with the up radiofrequency signal that acquires.

14. system according to claim 13, is characterized in that, position, the end antenna in the first antenna sets is connected with position, the end antenna in the second antenna sets by feeder line; The power supply injector also is used for exporting to from the heartbeat signal of the first radio frequency interface of AP the initial antenna of the first antenna sets, will export to initial antenna in the second antenna sets from the heartbeat signal of the second radio frequency interface of AP;

Each antenna in the first antenna sets, also be used for the heartbeat signal from AP that the power supply injector is forwarded or from the heartbeat signal of the adjacent upper antenna of first group of antenna, export to adjacent next antenna;

Each antenna in the second antenna sets, also be used for the heartbeat signal from AP that the power supply injector is forwarded or from the heartbeat signal of the adjacent upper antenna of second group of antenna, export to adjacent next antenna; ,

Position, end antenna in the second antenna sets, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the second antenna sets, acquisition, from the heartbeat signal of position, the end antenna in the first antenna sets, is exported to a upper antenna adjacent in the second antenna sets with the heartbeat signal that acquires; And, in the situation that acquire heartbeat signal from the end position antenna in the first antenna sets, acquisition is from the d. c. voltage signal of position, the end antenna in the first antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the second antenna sets, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the second antenna sets, and the up radiofrequency signal that will acquire is exported to position, the end antenna in the first antenna sets;

other antenna in the second antenna sets, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the second antenna sets, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the second antenna sets, and, in the situation that acquire heartbeat signal from next antenna adjacent in the second antenna sets, acquisition is from the d. c. voltage signal of next antenna adjacent in the second antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the second antenna sets, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the second antenna sets, and the up radiofrequency signal that will acquire is exported to next antenna adjacent in the second antenna sets, perhaps,

Position, end antenna in the first antenna sets, also be used in the situation that do not acquire heartbeat signal from the adjacent upper antenna of the first antenna sets, acquisition, from the heartbeat signal of position, the end antenna in the second antenna sets, is exported to a upper antenna adjacent in the first antenna sets with the heartbeat signal that acquires; And, in the situation that acquire heartbeat signal from the end position antenna in the second antenna sets, acquisition is from the d. c. voltage signal of position, the end antenna in the second antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the first antenna sets, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the first antenna sets, and the up radiofrequency signal that will acquire is exported to position, the end antenna in the second antenna sets;

other antenna in the first antenna sets, also be used for the heartbeat signal of acquisition from the adjacent next antenna of the first antenna sets, and the heartbeat signal that acquires is exported to a upper antenna adjacent in the first antenna sets, and, in the situation that acquire heartbeat signal from next antenna adjacent in the first antenna sets, acquisition is from the d. c. voltage signal of next antenna adjacent in the first antenna sets, the d. c. voltage signal that acquires is converted to the operating voltage signal of antenna, and the d. c. voltage signal that will acquire is exported to a upper antenna adjacent in the first antenna sets, acquisition is from the up radiofrequency signal of STA with from the up radiofrequency signal of a upper antenna adjacent in the first antenna sets, and the up radiofrequency signal that will acquire is exported to next antenna adjacent in the first antenna sets.

15. system according to claim 13, is characterized in that, the power supply injector also is used for:

16. according to claim 12～15, the described system of any one, is characterized in that, each antenna also is used for:

The up radiofrequency signal that acquires is carried out low noise amplification, the up radiofrequency signal after low noise amplification is exported to adjacent antenna or power supply injector.

17. power supply injector equipment, it is characterized in that, described power supply injector equipment is the power supply injector of the WLAN (wireless local area network) WLAN connecting system in claim 12, described power supply injector is connected to the first radio frequency interface of wireless access point AP by feeder line, also by feeder line, be connected to initial antenna in the first antenna sets, the first antenna sets comprises that described power supply injector equipment comprises by at least two antennas of feeder line order series winding:

The first port, be used for and will export to AP by the first radio frequency interface from the up radiofrequency signal of the second port;

The second port, be used for exporting to from the d. c. voltage signal of power transfer module the initial antenna of the first antenna sets; Acquisition is from the up radiofrequency signal of the first antenna sets.

18. power supply injector equipment according to claim 17, it is characterized in that, described power supply injector also is connected to the second radio frequency interface of AP by feeder line, be connected to initial antenna in the second antenna sets by feeder line, the second antenna sets comprises that described power supply injector equipment also comprises by at least two antennas of feeder line order series winding:

The 3rd port, be used for and will export to AP by the second radio frequency interface from the up radiofrequency signal of the 4th port;

The 4th port, be used for exporting to from the d. c. voltage signal of power transfer module the initial antenna of the second antenna sets; Acquisition is from the up radiofrequency signal of the second antenna sets.

19. power supply injector equipment according to claim 18, is characterized in that, also comprises:

20. antenna equipment, it is characterized in that, described antenna is an antenna in the first antenna sets in WLAN (wireless local area network) WLAN connecting system in claim 12, in the WLAN connecting system, the first antenna sets comprises at least two antennas by feeder line order series winding, described antenna is arranged in the building preposition, initial antenna in described the first antenna sets is connected to the power supply injector by feeder line, the power supply injector is connected to the first radio frequency interface of wireless access point AP by feeder line, described antenna comprises: the first port, power transfer module, Anneta module and the second port, wherein,

The first port, be used for the d. c. voltage signal of acquisition from the power supply injector; To and from the up radiofrequency signal of the second port, export to adjacent a upper antenna or power supply injector from the up radiofrequency signal of Anneta module; Wherein, d. c. voltage signal is that the power supply injector presses the signal conversion to get external AC;

Anneta module, be used for the up radiofrequency signal of acquisition from site STA;

The second port, be used for the up radiofrequency signal of acquisition from adjacent next antenna.

21. antenna equipment according to claim 20, it is characterized in that, under described antenna, the WLAN connecting system also comprises the second antenna sets, it is the power supply injector that the second radio frequency interface of AP also connects by feeder line, the power supply injector also is connected to the initial antenna in the second antenna sets, the second antenna sets comprises at least two antennas by feeder line order series winding, and position, the end antenna of the first antenna sets is connected with position, the end antenna in the second antenna sets, and described antenna equipment also comprises:

The first port, be used in the situation that the path between the first port to the second port is communicated with, acquisition is from the power supply injector or from the d. c. voltage signal of the adjacent upper antenna of described antenna, the up radiofrequency signal from STA that Anneta module is acquired, from the up radiofrequency signal of the second port, exports to power supply injector or the adjacent upper antenna of described antenna; In the situation that the path between the second port to the first port is communicated with, heartbeat signal and d. c. voltage signal that the second port acquires are exported to the adjacent upper antenna of described antenna, obtain the up radiofrequency signal from the adjacent upper antenna of described antenna;

The second port, be used in the situation that the path between the first port to the second port is communicated with, heartbeat signal and d. c. voltage signal that the first port acquires are exported to the adjacent next antenna of described antenna, obtain the up radiofrequency signal from the adjacent next antenna of described antenna; In the situation that the path between the second port to the first port is communicated with, acquisition is from the end position antenna in the second antenna sets or from heartbeat signal and the d. c. voltage signal of the adjacent next antenna of described antenna, and the up radiofrequency signal that the up radiofrequency signal that the first port is acquired and Anneta module acquire is exported to the adjacent upper antenna of described antenna.

22. antenna equipment according to claim 21, is characterized in that, described antenna equipment also comprises:

The low noise amplification module, be used for the up radiofrequency signal that acquires is carried out low noise amplification; ,

The first port, be used for, in the situation that the path between the first port to the second port is communicated with, the up radiofrequency signal after low noise amplification module low noise amplification is sent to power supply injector or the adjacent upper antenna of described antenna;

The second port, be used in the situation that the path between the second port to the first port is communicated with, and just the up radiofrequency signal after low noise amplification module low noise amplification sends to the adjacent next antenna of described antenna.