CN201156741Y

CN201156741Y - Integrated access equipment system

Info

Publication number: CN201156741Y
Application number: CNU2008200554604U
Authority: CN
Inventors: 白凌松; 沈强
Original assignee: SHANGHAI NETSTAR INTERNATIONAL TRADING CO Ltd
Current assignee: SHANGHAI NETSTAR INTERNATIONAL TRADING CO Ltd
Priority date: 2008-02-05
Filing date: 2008-02-05
Publication date: 2008-11-26
Anticipated expiration: 2018-02-05

Abstract

The utility model provides an integrated access device system which is covering a wireless communication chamber. The integrated access device system comprises a first mixer and a second mixer. The first mixer comprises a first input port, a second input port and a first output port; the first input port and the second input port respectively input signals of the frequency range from 746 to 960MHz and from 1700 to 2200MHz; the first mixer mixes the signals; then the signals are transmitted outwards from the first input port. The second mixer comprises a third input port, a fourth input port and a second output port; the third input port transmits inwards the signals of the frequency range which are transmitted outward from the first output port of the first mixer; the fourth input port transmits inwards the signals of the frequency range of 380 to 512MHz, and the signals are transmitted outwards from the second mixer. The integrated access device system integrates the signals of the frequency range from 380 to 512MHz, from 746 to 960MHz and from 1700 to 2200MHz, reduces the construction of redundant projects, and saves the costs.

Description

A kind of integrated access equipment system

Technical field

Embodiment of the present utility model relates to civilian wireless communication field, relates in particular to a kind of integrated access equipment system that is used for the wireless telecommunications indoor covering system.

Background technology

Progress along with communication system, the communication system that CDMA, GSM, DCS, PHS, WLAN, 3G etc. are different is more and more general, the outdoor location network signal can cover by the base station of each operator, and indoor signal can solve by traditional indoor covering system.It is more and more outstanding that yet each operator builds the problems such as repeated construction that covering system brought of oneself respectively.At such problem, the solution of multisystem mixing platform (POINT OF INTERFACE is hereinafter to be referred as POI) has been proposed.The POI platform needing to be mainly used in heavy construction that multiple-network system inserts, the urban operating mechanism, and as places such as large-scale museum, subway, railway station, airport, office offices of government, this POI product has realized that multiband, many signals close the road function.

Yet existing POI platform can only be finished two-band and close the road, can't mix the signal of 380-512MHz frequency range, lacks the support to the 380-512MHz frequency range.Fig. 1 is the schematic diagram of existing POI platform.A four unification mixers 02 and B four unification mixers 03 receive respectively and the 746-960MHz frequency band signals of Hybrid port 1-port 4 and the 1700-2200MHz frequency band signals of port 5-port 8, after will mixing, be that signal behind the road exports the two-in-one mixer 01 of C to by both output port two input ports are closed in tandem, close the road through tandem, at last by its output port output signal, thereby reach the purpose that 746-960MHz mixes with the 1700-2200MHz frequency band signals.As seen, though the POI platform can be finished the road of closing of 746-960MHz and 1700-2200MHz two-band, it is just powerless at needs the 380-512MHz frequency range being covered.

Therefore, how a kind of platform that can sneak into the 380-512MHz frequency range simultaneously is provided, reach the effect that covers institute's wire/wireless communication system simultaneously, the loss of time, manpower and fund that problems such as minimizing repeated construction are brought, be convenient to simultaneously install and maintenance in the future, become one of problem that needs to be resolved hurrily.

The utility model content

The purpose of this utility model provides a kind of integrated access equipment system (Integrated AccessDevice is hereinafter to be referred as IAD), solves existing POI platform and can't mix the problems such as repeated construction that the 380-512MHz frequency band signals is brought.

The IAD that the utility model provides comprises: first mixer, it comprises first input end mouth, second input port and first output port, described first input end mouth and described second input port are imported the signal of 746-960MHz and 1700-2200MHz frequency range respectively, close behind the road by described first output port output by the described first mixer tandem; And second mixer, it comprises the 3rd input port, four-input terminal mouth and second output port, described the 3rd input port is imported the frequency band signals of first output port output of described first mixer, the signal of described four-input terminal mouth input 380-512MHz frequency range closes behind the road by described second output port output by the described second mixer tandem.

Further technical characterictic of the present utility model is: also comprise the 3rd mixer, it comprises A input port, B input port, C input port, D input port and E output port, described A input port, B input port, C input port, D input port are imported the 746-960MHz frequency band signals respectively, close behind the road by described E output port output by described the 3rd mixer tandem, described E output port is connected with the first input end mouth of described first mixer; And the 4th mixer, it comprises F input port, G input port, H input port, I input port and J output port, described F input port, G input port, H input port, I input port are imported the 1700-2200MHz frequency band signals respectively, close behind the road by described J output port output by described the 4th mixer tandem, described J output port is connected with second input port of described first mixer.

Further technical characterictic of the present utility model is: the signal of described 746-960MHz, 1700-2200MHz and 380-512MHz frequency range is separately through input described first input end mouth, second input port and four-input terminal mouth behind the mixed electrical bridge.

Further technical characterictic of the present utility model can be: also comprise dual directional coupler, first test port and second test port, described dual directional coupler comprises the coupler input port, the coupler output port, input test port and output test port, described coupler input port is connected with first output port of described first mixer, described coupler output port is connected with the 3rd input port of described second mixer, described first test port is connected with described input test port, and described second test port is connected with described output test port.

Further technical characterictic of the present utility model is: the electrical connection of described equipment room all connects with semi-flexible coaxial cable.

Further technical characterictic of the present utility model is: described first mixer is the cavity mixer, and described second mixer is a lumped parameter frequency-selecting mixer.

Technique effect of the present utility model is: a kind of integrated access equipment system that utilizes that the utility model provides, except can supporting regular handset communications band (746-960MHz and 1700-2200MHz), also compatible 380-512MHz frequency range, reduce repeated construction, saved cost greatly.

Description of drawings

Fig. 1 is existing POI platform schematic diagram;

Fig. 2 is the first embodiment schematic diagram of the present utility model;

Fig. 3 is the second embodiment schematic diagram of the present utility model; And

Fig. 4 is the 3rd an embodiment schematic diagram of the present utility model.

Embodiment

For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.

Fig. 2 is the first embodiment schematic diagram of the present utility model.As shown in Figure 2, present embodiment comprises first mixer 11, second mixer 15, the 3rd mixer 12 and the 4th mixer 13.4 746～960MHz signal input ports 1,2,3,4 are connected respectively to four input ports of A, B, C, D 121,122,123,124 that a frequency band is the 3rd mixer 12 (the microstrip-type power splitter is anticaustic) of 746～960MHz from panel by semi-flexible coaxial cable, 44 unlike signals that are in together in 746～960MHz frequency range can be carried out tandem by the 3rd mixer 12 and close the road, by 125 outputs of E output port; 4 1700～2200MHz signal input ports 5,6,7,8 are connected respectively to four input ports of F, G, H, I 131,132,133,134 that a frequency band is the 4th mixer 13 (the microstrip-type power splitter is anticaustic) of 1700～2200MHz from panel by semi-flexible coaxial cable, 44 unlike signals that are in together in 1700～2200MHz frequency range can be carried out tandem by the 4th mixer 13 and close the road, by 135 outputs of J output port.Again with the E of the 3rd mixer 12 and the 4th mixer 13, J output port 125,135 also is connected respectively to first mixer 11 by semi-flexible coaxial cable the first input end mouth 111 and second input port 112, the signal of this two-way different frequency range can be closed the road by first mixer 11, the output of first output port 113 be exactly to close the road after 746～960MHz add the signal of 1700～2200MHz.First output port 113 of first mixer 11 is received the 3rd input port 151 of second mixer 15, simultaneously 380～512MHz signal input port 9 is connected to the four-input terminal mouth 152 of second mixer 15 by semi-flexible coaxial cable, finish that by second mixer 15 380～512MHz signal is mixed into system, second output port 153 of second mixer 15 is connected to the output port 19 of equipment by semi-flexible coaxial cable the most at last.Reach the effect that the road is advanced 746～960MHz and 1700～2200MHz frequency band signals and passed through an output port output signal is closed in the tandem of 380-512MHz frequency band signals.

In order to finish the mixing of 380-512MHz frequency band signals, what second mixer 15 in the present embodiment adopted is the lumped parameter frequency-selecting mixer of circuit type structure, uses capacitor and inductor to form the merging that high-frequency circuit is finished signal; Owing to use non-cavity type structure, can effectively keep the size of mixer simultaneously,, also can not make the volume of mixer become big, be convenient to like this install and maintenance in the future even if be applied in the low-frequency range of 380-512MHz.First mixer 11 is selected the cavity mixer for use.

In the present embodiment, use semi-flexible coaxial cable to connect between each device, do not use other electric connection mode to connect but also do not get rid of.

In actual applications, 746～960MHz and 1700～2200MHz frequency band signals also can directly not imported first, second input port 111,112 of first mixer 11 by third and fourth mixer 12,13; 746～960MHz and 1700～2200MHz frequency band signals and 380-512MHz frequency band signals also can be separately by inputing to first, second and four-input terminal mouth behind the mixed electrical bridge.Wherein, third and fourth mixer 12,13 is selected the cavity mixer for use.

The technical indicator of used each device of present embodiment sees following table 1 for details to table 4.

Table 1 is the technical indicator of the 3rd mixer 12.

The technical indicator of table 1 the 3rd mixer 12

Table 2 is technical indicators of the 4th mixer 13.

The technical indicator of table 2 the 4th mixer 13

Table 3 is technical indicators of first mixer 11.

The technical indicator of table 3 first mixer 11

Table 4 is technical indicators of second mixer 15.

The technical indicator of table 4 second mixer 15

Fig. 3 is second embodiment of the present utility model.As shown in Figure 3,, on the basis of first embodiment, a dual directional coupler 14 has been installed, has also been comprised first test port 101 and second test port 102 simultaneously for the ease of to the maintenance of equipment and Fault Diagnosis in the future.Described dual directional coupler 14 includes coupler input port 141, coupler output port 142, input test port one 43 and output test port 144.The method of present embodiment is that dual directional coupler 14 is installed between first mixer 11 and second mixer 15, promptly, first output port 113 of first mixer 11 is connected to the coupler input port 141 of dual directional coupler 14, the coupler output port 144 of dual directional coupler 14 is connected to the 3rd input port 151 of second mixer 15, and the input test port one 43 of dual directional coupler 14 is connected to first test port 101, and the output test port 144 of dual directional coupler 14 is connected to second test port 102.

Under the not out-of-work situation of equipment, just can detect the input signal situation of signal output port 1～8 like this at first test port 101; And the connection situation that just can detect first output port 142 at second test port 102.

Table 5 is technical indicators of dual directional coupler 14.

The technical indicator of table 5 dual directional coupler 14

Fig. 4 is the 3rd embodiment of the present utility model.As shown in Figure 4, on the basis of first embodiment, in order to increase the output port number of equipment, become two

output ports

29,39, the 3rd mixer 12 among first embodiment, the 4th mixer 13 usefulness the 7th mixer 31, the 8th mixer 32, the 9th mixer 33, the tenth mixer 34 and first mixed electrical bridge 16 and second mixed electrical bridge 17 are replaced; Again owing to can have more one group of output after substituting, so need to increase corresponding the 5th mixer 21 and the 6th mixer 25, so and, also increase by the 3rd mixed electrical bridge 18 simultaneously because increased the input port 10 that the 6th mixer 25 can increase by a 380～512MHz accordingly.Described signal output port 9 and signal output port 10 enter second mixer 15 and the 6th mixer 25 after by the 3rd mixed electrical bridge 18 again.

Specifically, the M of the 7th mixer 31 and the 8th mixer 32, P output port 313,323 are connected with second input port 162 with the first input end mouth 161 of first mixed electrical bridge 16 respectively, the S of the 9th mixer and the tenth mixer, V output port 333,343 are connected with four-input terminal mouth 172 with the 3rd input port 171 of second mixed electrical bridge 17 respectively, first output port 163 of first mixed electrical bridge 16 and second output port 164 respectively with first of first mixer 11 and the 5th mixer 21, the 5th input port 111,211 connect, the 3rd output port 173 of second mixed electrical bridge 17 and the 4th output port 174 respectively with second of first mixer 11 and the 5th mixer 21, the 6th input port 112,212 connect, the 5th output port 183 of the 3rd mixed electrical bridge 18 and the 6th output port 184 respectively with the 4th of second mixer 15 and the 6th mixer 25, the 8th input port 152,252 connect first of first mixer 11 and the 5th mixer 21, the 3rd output port 113,213 respectively with the 3rd of second mixer 15 and the 6th mixer 25, the 7th input port 151,251 connect.

Wherein, the 5th mixer 21 is selected the cavity mixer for use, and the 6th mixer 25 is selected lumped parameter frequency-selecting mixer for use.

The effect of mixed electrical bridge is that the two-way input signal is divided equally respectively on two output ports, that is to say that importing X and two signals of Y respectively just can obtain two ports and all export X/2+Y/2.So just, can realize having the purpose of two equipment

output end mouths

29,39.

Same, in this embodiment, also dual directional coupler and test port can be installed between first mixer 11 and second mixer 15 and the 5th mixer 21 and the 6th mixer 25.

To sum up, the integrated access equipment system that the utility model provides can merge 380-512MHz with 746-960MHz and 1700-2200MHz frequency band signals, reduced repeated construction, has saved cost.

Below preferred embodiment of the present utility model is specified, but the utility model is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.

Claims

1. an integrated access equipment system in order to wireless signal in the receiving chamber, is characterized in that, comprising:

First mixer, comprise first input end mouth, second input port and first output port, described first input end mouth and described second input port are imported the signal of 746-960MHz and 1700-2200MHz frequency range respectively, close behind the road by described first output port output by the described first mixer tandem; And

Second mixer, comprise the 3rd input port, four-input terminal mouth and second output port, described the 3rd input port is imported the frequency band signals of first output port output of described first mixer, the signal of described four-input terminal mouth input 380-512MHz frequency range closes behind the road by described second output port output by the described second mixer tandem.

2. integrated access equipment as claimed in claim 1 system is characterized in that, also comprises:

The 3rd mixer, comprise A input port, B input port, C input port, D input port and E output port, described A input port, B input port, C input port, D input port are imported the 746-960MHz frequency band signals respectively, close behind the road by described E output port output by described the 3rd mixer tandem, described E output port is connected with the first input end mouth of described first mixer; And

The 4th mixer, comprise F input port, G input port, H input port, I input port and J output port, described F input port, G input port, H input port, I input port are imported the 1700-2200MHz frequency band signals respectively, close behind the road by described J output port output by described the 4th mixer tandem, described J output port is connected with second input port of described first mixer.

3. integrated access equipment as claimed in claim 1 system, it is characterized in that, also comprise: dual directional coupler, first test port and second test port, described dual directional coupler comprises the coupler input port, the coupler output port, input test port and output test port, described coupler input port is connected with first output port of described first mixer, described coupler output port is connected with the 3rd input port of described second mixer, described first test port is connected with described input test port, and described second test port is connected with described output test port.

4. as each described integrated access equipment system of claim 1 to 3, it is characterized in that: the signal of described 746-960MHz, 1700-2200MHz and 380-512MHz frequency range is separately through input described first input end mouth, second input port and four-input terminal mouth behind the mixed electrical bridge.

5. integrated access equipment as claimed in claim 4 system, it is characterized in that: the electrical connection of described equipment room all connects with semi-flexible coaxial cable.

6. integrated access equipment as claimed in claim 1 system, it is characterized in that: described first mixer is the cavity mixer, described second mixer is a lumped parameter frequency-selecting mixer.