CN102271370A - Base station equipment and channel unit switching method - Google Patents
Base station equipment and channel unit switching method Download PDFInfo
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- CN102271370A CN102271370A CN2011102525369A CN201110252536A CN102271370A CN 102271370 A CN102271370 A CN 102271370A CN 2011102525369 A CN2011102525369 A CN 2011102525369A CN 201110252536 A CN201110252536 A CN 201110252536A CN 102271370 A CN102271370 A CN 102271370A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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Abstract
The embodiment of the invention provides base station equipment and a channel unit switching method, wherein the base station equipment includes a first channel unit which is used for generating a modulation signal at a frequency f1 and for outputting the modulation signal to a radio frequency control chain, a second channel unit which is used for receiving a first control signal sent by a base station controller, and the radio frequency control chain, wherein the first control signal is used for controlling a work frequency of the second channel unit to be f1, for generating a modulation signal at a frequency f1 and for outputting the modulation signal to the radio frequency control chain; and the radio frequency control chain is used for outputting the modulation signal at the frequency f1 generated by the first channel unit to the first inlet of a chamber combiner, and for outputting the modulation signal at the frequency f1 generated by the second channel unit to the first inlet of the chamber combiner, wherein frequency points supported by a filter in the chamber combiner which is connected with the first inlet include the f1. Due to application of the technical scheme provided by the embodiment of the invention, communication between the base station and a mobile station is not interrupted when the channel unit goes wrong.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of base station equipment and channel device changing method.
Background technology
In existing trunked communication system, as shown in Figure 1, the base station comprises: base station controller, channel device, mixer and antenna etc.The modulation signal that a plurality of channel devices send is launched from antenna after closing the road by mixer, and as shown in Figure 1, the modulation signal that channel device 1, channel device 2, channel device 3, channel device 4 send closes the Lu Houcong antenna by mixer and sends.For the group system of channel device quantity above 4, the general some cavity mixer frequently that adopts, point cavity mixer frequently comprises a plurality of filters, the corresponding frequency of each filter, promptly for a filter, have only the signal of a frequency to pass through, this just needs the operating frequency of each channel device in the trunked communication system corresponding one by one with the frequency that each filter is supported respectively, as shown in Figure 1, the operating frequency of channel device 1 is identical with the frequency that filter 1 is supported, the operating frequency of channel device 2 is identical with the frequency that filter 2 is supported.
General, has only a control channel in the trunked communication system, a plurality of Traffic Channels can be arranged, this control channel can be the operating frequency of channel device 1, also can be the operating frequency of channel device 2, can be the operating frequency of other channel devices also, and control channel is used for bearer control signalling, such as, needed control information etc. is called out in the foundation of base station between public information, base station and travelling carriage that all travelling carriages send.Traffic Channel is used to carry the business datum between base station and travelling carriage, such as speech data or Media Stream etc.
When certain channel device fault, if control channel is the operating frequency of this channel device, then control channel just need switch on the one other channel machine, if certain Traffic Channel is the operating frequency of this channel device, then this Traffic Channel just need switch on the one other channel machine, such as, channel device 1 fault, then control channel or Traffic Channel just need switch on the channel device 2, changed the frequency of control channel or Traffic Channel this moment, become the operating frequency of channel device 2 by the operating frequency of original channel device 1.
Prior art has following shortcoming:
Because during certain channel device fault, need to change the frequency of control channel or Traffic Channel, if change the frequency of control channel, travelling carriage need break from original network, again search network, re-register registration then, cause in a period of time that control channel switches, can not proper communication between base station and the travelling carriage; If change the frequency of Traffic Channel, cause Traffic Channel institute loaded service data to interrupt, also can interrupt communicating by letter between base station and the travelling carriage.
Summary of the invention
The embodiment of the invention provides a kind of base station equipment and channel device changing method, in the time of can making the channel device fault, does not interrupt communicating by letter between base station and the travelling carriage.
In view of this, the embodiment of the invention provides:
A kind of base station equipment comprises: radio frequency control link, first channel device and second channel machine,
First channel device, being used for generated frequency is f
1Modulation signal and output to radio frequency control link;
The second channel machine, be used to receive first control signal that base station controller sends, described first control signal is that work duration that base station controller monitors the first channel device fault or first channel device sends when reaching the predetermined work duration, and the operating frequency that described first control signal is used to control the second channel machine is f
1According to described first control signal, generated frequency is f
1Modulation signal and output to radio frequency control link;
Radio frequency control link, the frequency that is used for first channel device is generated is f
1Modulation signal output to the cavity mixer first the inlet; The frequency that the second channel machine is generated is f
1Modulation signal output to the cavity mixer first the inlet; Wherein, the frequency of the filter support in the described first cavity mixer that connected of inlet comprises f
1
A kind of channel device changing method comprises:
The first channel device generated frequency is f
1Modulation signal and output to radio frequency control link; Radio frequency control link is f with the frequency that first channel device generates
1Modulation signal output to the cavity mixer first the inlet; The frequency of the filter support in the cavity mixer that described first inlet is connected comprises f
1
The second channel machine receives first control signal that base station controller sends, described first control signal is that work duration that base station controller monitors the first channel device fault or first channel device sends when reaching the predetermined work duration, and the operating frequency that described first control signal is used to control the second channel machine is f
1According to described first control signal, generated frequency is f
1Modulation signal and output to radio frequency control link; Described radio frequency control link is f with the frequency that the second channel machine generates
1Modulation signal output to the cavity mixer first the inlet.
The second channel machine is the operating frequency f of first channel device receiving the operating frequency that is used to control the second channel machine in the embodiment of the invention
1First control signal after, generated frequency is f
1Modulation signal and output to radio frequency control link, radio frequency control link is f with the frequency that the second channel machine generates
1Modulation signal output to the cavity mixer first the inlet, like this, if first channel device breaks down, then second channel machine generated frequency is f
1Modulation signal and output to first inlet of cavity mixer, this moment, the frequency of control channel or Traffic Channel did not just need to change, the communication between base station and the travelling carriage just can not interrupted like this.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the base station equipment structure chart that prior art provides;
Fig. 2 is a kind of base station equipment structure chart that the embodiment of the invention provides;
Fig. 3 is the another kind of base station equipment structure chart that the embodiment of the invention provides;
Fig. 4 is first channel device that the embodiment of the invention the provides inner connection diagram of base station equipment when not breaking down;
Fig. 5 is first channel device that the embodiment of the invention the provides inner connection diagram of back base station equipment that breaks down;
Fig. 6 is the base station equipment structure chart of a kind of double-channel machine backup that provides of the embodiment of the invention;
Fig. 7 is the base station equipment structure chart of a kind of multichannel machine backup that provides of the embodiment of the invention;
Fig. 8 is the another kind of base station equipment structure chart that the embodiment of the invention provides
Fig. 9 is the PDT system construction drawing that the embodiment of the invention provides;
Figure 10 is the channel device changing method flow chart that the embodiment of the invention provides;
Figure 11 is the another kind of channel device changing method flow chart that the embodiment of the invention provides.
Embodiment
Consult Fig. 2, the embodiment of the invention provides a kind of base station equipment, and it comprises: first channel device 01, second channel machine 02 and radio frequency control link 05, wherein,
Wherein, it can be that base station controller monitors the first channel device cisco unity malfunction that base station controller monitors the first channel device fault, and perhaps base station controller monitors the communication disruption of first channel device and base station controller, promptly thinks the first channel device fault.Wherein, the work duration that base station controller monitors first channel device sends the scene that first control signal is applicable to that first channel device and second channel wheel change jobs when reaching the predetermined work duration, quit work after 12 hours such as the first channel device continuous operation, work by the second channel machine.Wherein, base station controller can be integrated in the base station equipment, also can be independent of base station equipment, does not influence realization of the present invention.
Optionally, the original operating frequency of second channel machine can be f
2, the second channel machine after receiving first control signal that base station controller sends, with operating frequency from f
2Switch to f
1, the frequency of control channel or Traffic Channel is not changed, promptly also remain f
1Perhaps, the second channel machine did not generate modulation signal before receiving first control signal, and generated frequency is f after receiving first control signal
1Modulation signal.
Radio frequency control link 05, the frequency that is used for first channel device 01 is generated is f
1Modulation signal output to cavity mixer 07 first the inlet; The frequency that second channel machine 02 is generated is f
1Modulation signal output to cavity mixer 07 first the inlet; Wherein, cavity mixer 07 comprises at least: with first first filter 071 that is connected of inlet of cavity mixer 07 and, with second filter 072 that second inlet of cavity mixer 07 is connected, the frequency of this first filter, 071 support comprises f
1, do not comprise f
2, the frequency that this second filter 072 is supported comprises f
2, do not comprise f
1Wherein, radio frequency control link can be the radio frequency handoff links in the subsequent embodiment, and perhaps, radio frequency control link is the link that comprises splitter or mixer, specifically sees below the detailed description of continuous embodiment.
The second channel machine is the operating frequency f of first channel device receiving the operating frequency that is used to control the second channel machine in the embodiment of the invention
1First control signal after, generated frequency is f
1Modulation signal and output to radio frequency control link, radio frequency control link is f with the frequency that the second channel machine generates
1Modulation signal output to the cavity mixer first the inlet, like this, if first channel device breaks down, then second channel machine generated frequency is f
1Modulation signal and output to first inlet of cavity mixer, this moment, the frequency of control channel or Traffic Channel did not just need to change, the communication between base station and the travelling carriage just can not interrupted like this.
In order to make technique scheme clearer, follow-up each embodiment will be described in detail technique scheme.
Consult Fig. 3, the embodiment of the invention provides a kind of base station equipment, and it comprises: first channel device 10, second channel machine 20 and radio frequency handoff links 50, wherein, the operating frequency of first channel device 10 is f
1, the operating frequency of second channel machine 20 is f
2
Radio frequency handoff links 50, be used to receive from the modulation signal of first channel device with from the modulation signal of second channel machine, receive second control signal that base station controller sends, described second control signal is used to control signal that the radio frequency handoff links sends to first inlet of cavity mixer and switches to modulation signal from the second channel machine from the modulation signal from first channel device, before receiving second control signal, (i.e. the frequency of first channel device generation is f to send modulation signal from first channel device to first inlet of cavity mixer (illustrating with label 70 among the figure)
1Modulation signal); After receiving second control signal, stop to send modulation signal from first channel device to first inlet of cavity mixer, to send to first inlet of cavity mixer from the modulation signal of second channel machine, this moment, the modulation signal from the second channel machine was f for the frequency that the second channel machine generates
2Modulation signal, wherein, the filter in the described first cavity mixer 70 that connected of inlet is first filter 71, the frequency of its support comprises f
1, do not comprise f
2, the filter in the cavity mixer that described second inlet is connected is second filter 72 among Fig. 3, the frequency of its support comprises f
2, do not comprise f
1
Receive before first control signal of base station controller transmission the operating frequency f of this second channel machine 20 at second channel machine 20
2Can corresponding a Traffic Channel, i.e. the operating frequency f of this second channel machine 20
2Be used for the bearer service data, such as speech data or Media Stream etc., monitor the first channel device fault after second channel machine 20 sends first control signal at base station controller 60, this second channel machine changes operating frequency, becomes control channel.Like this, can make before the first channel device fault, the second channel machine is born the transmission of some business datums, share the business data transmission pressure of other channel devices, when the first channel device fault, again can be timely as control channel, like this, travelling carriage does not just need to break the new search network of laying equal stress on from original network, base station of having avoided control channel to switch being caused and the communication disruption between the travelling carriage.
Wherein, this base station equipment also comprises: base station controller 60, in one embodiment, this base station controller is monitored first channel device, sends described first control signal and second control signal when monitoring the first channel device fault.In another embodiment, this base station controller is used to monitor the work duration of first channel device, sends described first control signal and second control signal when the work duration of first channel device reaches the predetermined work duration.
The second channel machine switches to the operating frequency f of first channel device receiving the operating frequency that is used to control the second channel machine in the embodiment of the invention
1First control signal after, with operating frequency from f
2Switch to f
1, generated frequency is f
1Modulation signal and output to the radio frequency handoff links; The radio frequency handoff links will send to first inlet of cavity mixer from the modulation signal of second channel machine after receiving second control signal, like this, if first channel device breaks down, then the operating frequency of second channel machine switching oneself is the operating frequency of first channel device, the radio frequency handoff links sends to first inlet of cavity mixer with the modulation signal that generates after the second channel machine switch operating frequency, when the operating frequency of control channel is above-mentioned f
1The time, for travelling carriage, the frequency of its control channel does not change, thus travelling carriage search network again, base station of so just having avoided control channel to switch being caused and the communication disruption between the travelling carriage.
In order to make the present invention's technical scheme that provides embodiment illustrated in fig. 3 clearer, following Fig. 4 and embodiment illustrated in fig. 5 will being described in detail to technique scheme:
Fig. 4 and Fig. 5 show a kind of base station equipment structure chart that the embodiment of the invention provides, it comprises: first channel device 100, second channel machine 200, radio frequency handoff links 500, base station controller 600 and cavity mixer 700, the frequency of supposition control channel correspondence is f among this embodiment
1Wherein, radio frequency handoff links 500 comprises: control unit 501, first radio-frequency relay 502 and second radio-frequency relay 503.Wherein, the difference of Fig. 4 and Fig. 5 is that first radio-frequency relay 502 is different with the connected mode of second radio-frequency relay 503.When Fig. 4 shows first channel device 100 and does not break down, the connected mode of first radio-frequency relay 502 and second radio-frequency relay 503, after Fig. 5 shows first channel device 100 and breaks down, the connected mode of first radio-frequency relay 502 and second radio-frequency relay 503.Wherein, this control unit 501 can be a single-chip microcomputer.
When first channel device 100 did not break down, first channel device, 100 generated frequencies were f
1Modulation signal and output to the radio frequency handoff links; Second channel machine 200 generated frequencies are f
2Modulation signal and output to the radio frequency handoff links.
Radio frequency handoff links 500 comprises: control unit 501, first radio-frequency relay 502 and second radio-frequency relay 503, and described first radio-frequency relay 502 comprises: first delivery outlet 5022 that is electrically connected with first inlet of cavity mixer, second delivery outlet 5023 that is electrically connected with second inlet of cavity mixer and the input port 5021 that is electrically connected with the delivery outlet of first channel device; Described second radio-frequency relay 502 comprises: the 3rd delivery outlet 5032 that is electrically connected with second inlet of cavity mixer, the 4th delivery outlet 5033 that is electrically connected with first inlet of cavity mixer and the input port 5031 that is electrically connected with the delivery outlet of second channel machine.
When first channel device 100 does not break down, the input port 5021 of first radio-frequency relay 502 is connected with first delivery outlet 5022 of first radio-frequency relay 502, at this moment, (i.e. the frequency of first channel device, 100 generations is f to the modulation signal of first channel device 100 of input port 5021 receptions of first radio-frequency relay 502
1Modulation signal) from this first delivery outlet 5022 output to cavity mixer 700 first the inlet.The input port 5031 of second radio-frequency relay is connected with the 3rd delivery outlet 5032 of second radio-frequency relay, and at this moment, the modulation signal of the second channel machine 200 that the input port 5031 of second radio-frequency relay receives (is that the frequency that second channel machine 100 generates is f
2Modulation signal) from the 3rd delivery outlet 5032 output to cavity mixer 700 second the inlet.Wherein, the filter in the cavity mixer 700 that first inlet of cavity mixer 700 is connected is first filter 701, and the filter in the cavity mixer 700 that second inlet of cavity mixer 700 is connected is second filter 702.The filtering bandwidth of first filter 701 comprises frequency f
1, do not comprise frequency f
2, the filtering bandwidth of second filter 702 comprises frequency f
2, do not comprise frequency f
1
After control unit 501 in the radio frequency handoff links 500 receives second control signal of base station controller transmission, resolve this second control signal, according to analysis result, the input port 5021 of controlling first radio-frequency relay is connected the input port 5021 that changes first radio-frequency relay into and is connected with second delivery outlet 5023 with first delivery outlet 5022, at this moment, the delivery outlet of the modulation signal of output first channel device 100 switches to described second delivery outlet 5023 from described first delivery outlet 5022 on first radio-frequency relay 502; The input port 5031 of controlling second radio-frequency relay is connected the input port 5031 that changes second radio-frequency relay into and is connected with the 4th delivery outlet 5033 with the 3rd delivery outlet 5032, at this moment, the delivery outlet of the modulation signal of output second channel machine 200 just switches to described the 4th delivery outlet 5033 from described the 3rd delivery outlet 5032 on second radio-frequency relay 503, and making the modulation signal from second channel machine 200 (is that the frequency that second channel machine 200 generates is f
1Modulation signal) send to first inlet of cavity mixer 600.
In the embodiment of the invention during the first channel device fault, then the operating frequency of second channel machine switching oneself is the operating frequency of first channel device, and the radio frequency handoff links sends to the modulation signal that generates after the second channel machine switch operating frequency first inlet of cavity mixer.For travelling carriage, the frequency of its control channel does not change, and send first control signal and all be the ms level to the time that the radio frequency handoff links sends second control signal because base station controller monitors after the first channel device fault to the second channel machine, and radio frequency link hardware switching time less than 20.0ms, base station of having avoided control channel to switch being caused and the communication disruption between the travelling carriage.
Further, the base station equipment that this embodiment provided can also be carried out channel device and switch after first channel device, 100 fault restoration, recovers first channel device and the original operating state of second channel machine, and is concrete:
After control unit 501 in the radio frequency handoff links 500 receives the 4th control signal of base station controller transmission, the input port 5021 of controlling first radio-frequency relay is connected the input port 5021 that changes first radio-frequency relay into and is connected with first delivery outlet 5022 with second delivery outlet 5023, at this moment, the delivery outlet of the modulation signal of output first channel device 100 switches to described first delivery outlet 5021 from described second delivery outlet 5023 on first radio-frequency relay 502; The input port 5031 of controlling second radio-frequency relay is connected the input port 5031 that changes second radio-frequency relay into and is connected with the 3rd delivery outlet 5032 with the 4th delivery outlet 5033, at this moment, the delivery outlet of the modulation signal of output second channel machine 200 just switches to described the 3rd delivery outlet 5032 from described the 4th delivery outlet 5033 on second radio-frequency relay 503, like this, just can recover first channel device and the original operating state of second channel machine.
Need to prove, also can not comprise control unit 501 in the radio frequency handoff links 500, as shown in Figure 6, base station controller is directly controlled first relay 502 and second relay 503 with Transistor-Transistor Logic level, such as base station controller when monitoring first channel device, 100 faults, send second control signal to first radio-frequency relay 502 and second radio-frequency relay 503, this second control signal is a high level, first radio-frequency relay 502 is connected input port 5021 under the control of high level and changes input port 5021 into and be connected with second delivery outlet 5023 with first delivery outlet 5022, at this moment, the delivery outlet of the modulation signal of output first channel device 100 switches to described second delivery outlet 5023 from described first delivery outlet 5022 on first radio-frequency relay 502; Second radio-frequency relay 503 is connected input port 5031 under the control of high level and changes input port 5031 into and be connected with the 4th delivery outlet 5023 with the 3rd delivery outlet 5022, at this moment, the delivery outlet of the modulation signal of output second channel machine 200 just switches to described the 4th delivery outlet 5033 from described the 3rd delivery outlet 5032 on second radio-frequency relay 503.Perhaps, second control signal comprises first Transistor-Transistor Logic level and second Transistor-Transistor Logic level, be that base station controller sends first Transistor-Transistor Logic level to first radio-frequency relay 502, such as high level, first radio-frequency relay 502 is connected input port 5021 under the control of first Transistor-Transistor Logic level and changes input port 5021 into and be connected with second delivery outlet 5023 with first delivery outlet 5022; Base station controller sends second Transistor-Transistor Logic level to second radio-frequency relay 503, such as low level, second radio-frequency relay 503 is connected input port 5031 under the control of second Transistor-Transistor Logic level and changes input port 5031 into and be connected with the 4th delivery outlet 5023 with the 3rd delivery outlet 5022;
Follow-up, after base station controller is monitoring first channel device, 100 fault restoration, send the 4th control signal to first radio-frequency relay 502 and second radio-frequency relay 503, at this moment, the 4th control signal is a low level, first radio-frequency relay 502 is connected input port 5021 under low level control and changes input port 5021 into and be connected with first delivery outlet 5022 with second delivery outlet 5023, at this moment, the delivery outlet of the modulation signal of output first channel device 100 switches to described first delivery outlet 5022 from described second delivery outlet 5023 on first radio-frequency relay 502; Second radio-frequency relay 503 is connected input port 5031 under low level control and changes input port 5031 into and be connected with the 3rd delivery outlet 5032 with the 4th delivery outlet 5033, at this moment, the delivery outlet of the modulation signal of output second channel machine 200 just switches to described the 3rd delivery outlet 5032 from described the 4th delivery outlet 5033 on second radio-frequency relay 503.Perhaps, the 4th control signal comprises the 3rd Transistor-Transistor Logic level and the 4th Transistor-Transistor Logic level, being base station controller sends the 3rd Transistor-Transistor Logic level to first radio-frequency relay 502, and first radio-frequency relay 502 is connected input port 5021 under the control of the 3rd Transistor-Transistor Logic level and changes input port 5021 into and be connected with first delivery outlet 5022 with second delivery outlet 5023; Base station controller sends the 4th Transistor-Transistor Logic level to second radio-frequency relay 503, and second radio-frequency relay 503 is connected input port 5031 under the control of the 4th Transistor-Transistor Logic level and changes input port 5031 into and be connected with the 3rd delivery outlet 5032 with the 4th delivery outlet 5033.Need to prove, after first channel device, 100 fault restoration, also can control input port 5021 on first relay manually and be connected with second delivery outlet 5023 and change input port 5021 into and be connected, the input port on second relay 5031 is connected with the 4th delivery outlet 5033 changes input port 5031 into and be connected with the 3rd delivery outlet 5032 with first delivery outlet 5022.
Need to prove that the radio frequency handoff links also can not adopt radio-frequency relay, does not influence realization of the present invention.
Need to prove that the second channel machine also can leave unused and not send modulation signal in the various embodiments described above of the present invention, does not influence realization of the present invention when first channel device does not break down.
Need to prove Fig. 4 and the operating frequency f with first channel device embodiment illustrated in fig. 5
1For the frequency of control channel correspondence is an example, when having described the first channel device fault, the operating frequency that the second channel machine switches oneself is the operating frequency of first channel device.In other embodiments, the operating frequency f of first channel device
1Also can be the frequency of certain Traffic Channel correspondence, when the first channel device fault, the operating frequency that the second channel machine switches oneself be the operating frequency of first channel device of fault, continues to utilize this frequency transmission service signal.
Need to prove, channel device (being above-mentioned first channel device) for main usefulness in the various embodiments described above of the present invention has only disposed an alternate channel machine (being the second channel machine), in other embodiments, also can dispose a plurality of alternate channel machines, accordingly, dispose a plurality of radio-frequency relays, each radio-frequency relay has a plurality of delivery outlets, does not influence realization of the present invention.Fig. 7 shows three channel devices schematic diagram of backup mutually, and first channel device, second channel machine and the 3rd channel device backup each other, and wherein, the operating frequency of first channel device is f
1, the frequency that its filter (i.e. first filter) that is connected for first inlet of cavity mixer is supported, the operating frequency of second channel machine is f
2, the frequency that its filter (i.e. second filter) that is connected for second inlet of cavity mixer is supported, the operating frequency of the 3rd channel device is f
3, the frequency that its filter (i.e. the 3rd filter) that is connected for the 3rd inlet of cavity mixer is supported.
Fig. 8 shows another base station equipment that the embodiment of the invention provides, it comprises: first channel device 901, second channel machine 902, first splitter 903, second splitter 904, first mixer 905 and second mixer 906, also base station equipment can also comprise cavity mixer 907 and base station controller 908, wherein, cavity mixer 907 comprises filter 1 and filter 2 9072.Wherein, splitter and mixer can adopt power divider and branch line coupler.
Wherein, the function of first channel device 901, second channel machine 902, cavity mixer 907 and base station controller 908 is identical with the various embodiments described above description, does not repeat them here.
Wherein, the input port of first splitter 903 is electrically connected with the delivery outlet of first channel device 901, two delivery outlets of first splitter 903 are electrically connected with an input port of first mixer 905 and second mixer 906 respectively, and two delivery outlets of second splitter 904 are electrically connected with another input port of first mixer 905 and second mixer 906 respectively; The delivery outlet of first mixer 905 is electrically connected with first inlet of cavity mixer 907; The delivery outlet of second mixer 906 is electrically connected with second inlet of cavity mixer 907.
First splitter 903 is divided into two-way with the modulation signal of first channel device, 901 outputs in the embodiment of the invention, be transferred to first mixer 905 and second mixer 906 respectively, second splitter 904 is divided into two-way with the modulation signal of second channel machine 902 outputs, be transferred to first mixer 905 and second mixer 906 respectively, like this, the modulation signal synthetic one tunnel that first mixer 905 is just exported the modulation signal and the second channel machine 902 of 901 outputs of first channel device outputs to first inlet of cavity mixer 907, because the frequency of filter one support that first inlet of cavity mixer 907 is connected comprises f
1, do not comprise f
2So, be f even filter one receives frequency
1And f
2Modulation signal, this filter one can only be f with frequency also
1Signal output to antenna, be f with frequency
2Target signal filter.In like manner, the modulation signal synthetic one tunnel that second mixer 906 is just exported the modulation signal and the second channel machine 902 of 901 outputs of first channel device outputs to second inlet of cavity mixer 907, because the frequency of filter two supports that second inlet of cavity mixer 907 is connected comprises f
2, do not comprise f
1So, be f even filter two receives frequency
1And f
2Modulation signal, this filter two can only be f with frequency also
2Signal output to antenna, be f with frequency
1Target signal filter.Because when first channel device, 901 faults, the operating frequency of second channel machine switches to f
1So, guaranteed that the first inlet transmission frequency to cavity mixer 907 that first mixer 901 can continue is f
1Modulation signal, when the operating frequency of control channel is above-mentioned f
1The time, for travelling carriage, the frequency of its control channel does not change, thus travelling carriage search network again, base station of so just having avoided control channel to switch being caused and the communication disruption between the travelling carriage.
Fig. 9 has illustrated and has used the alert with Digital Clustering (Police Digital Trunking of technical solution of the present invention, PDT) system, it comprises: backboard 800, two base station controllers (base station controller 1 and base station controller 2), label is respectively 801 and 802, two Switching Power Supplies (Switching Power Supply 1 and Switching Power Supply 2), label is respectively 803 and 804, fan unit 805,4 channel devices (are channel device 1, channel device 2, channel device 3 and channel device 4), label is respectively 806,807,808,809, and cavity mixer 810, splitter 811, wherein, radio frequency control link is integrated in the cavity mixer 810, wherein radio frequency is controlled 26S Proteasome Structure and Function and above-mentioned Fig. 3 of link, Fig. 4, Fig. 5, Fig. 6, Fig. 7 or 26S Proteasome Structure and Function shown in Figure 8 are similar, do not repeat them here.
Consult Figure 10, the embodiment of the invention provides a kind of channel device changing method, and this method is applicable to the base station equipment that the various embodiments described above provide, and this method mainly comprises:
1001, the first channel device generated frequency is f
1Modulation signal and output to radio frequency control link; Radio frequency control link is f with the frequency that first channel device generates
1Modulation signal output to the cavity mixer first the inlet; The frequency of the filter support in the cavity mixer that described first inlet is connected comprises f
1
Wherein, the radio frequency control link in the embodiment of the invention can be the radio frequency handoff links in the foregoing description, also can be the link that comprises splitter and mixer, does not influence realization of the present invention.
1002, the second channel machine receives first control signal that base station controller sends, and the operating frequency that described first control signal is used to control the second channel machine is f
1The second channel machine is according to described first control signal, and generated frequency is f
1Modulation signal and output to radio frequency control link; Described radio frequency control link is f with the frequency that the second channel machine generates
1Modulation signal output to the cavity mixer first the inlet.
Wherein, before this step, described radio frequency control link receives second control signal from base station controller, and described second control signal is used to control signal that first inlet of radio frequency Quality Initiative road direction cavity mixer sends and switches to modulation signal from the second channel machine from the modulation signal from first channel device.Wherein, this first control signal and second control signal are sent when base station controller monitors the first channel device fault; Perhaps, this first control signal and second control signal are to send when the work duration that base station controller monitors first channel device reaches the predetermined work duration.
The second channel machine is the operating frequency f of first channel device receiving the operating frequency that is used to control the second channel machine in the embodiment of the invention
1First control signal after, generated frequency is f
1Modulation signal and output to radio frequency control link, radio frequency control link is f with the frequency that the second channel machine generates
1Modulation signal output to the cavity mixer first the inlet, like this, if first channel device breaks down, then second channel machine generated frequency is f
1Modulation signal and output to first inlet of cavity mixer, this moment, the frequency of control channel or Traffic Channel did not just need to change, the communication between base station and the travelling carriage just can not interrupted like this.
In order to make technique scheme provided by the invention clearer, following embodiment is described in detail technique scheme:
1101, the first channel device generated frequency is f
1Modulation signal and output to the radio frequency handoff links; The radio frequency handoff links will be f from the frequency of the generation of first channel device
1Modulation signal send to first inlet of cavity mixer; The frequency of the filter support in the cavity mixer that described first inlet is connected comprises f
1, do not comprise f
2
1102, base station controller monitors the first channel device fault, sends the operating frequency that described first control signal of first control signal is used to control the second channel machine to the second channel machine and switches to f
1Send second control signal to the radio frequency handoff links, described second control signal is used to control signal that the radio frequency handoff links sends to first inlet of cavity mixer and switches to modulation signal from the second channel machine from the modulation signal from first channel device.
Optionally, above-mentioned first control signal and second control signal are that work duration that base station controller monitors first channel device sends when reaching the predetermined work duration, this scheme is applicable to that first channel device and second channel wheel change jobs, work by the second channel machine after 12 hours such as the first channel device continuous operation, change again after 12 hours by the first channel device work in the continuous operation of second channel machine.
1103, the second channel machine receives first control signal that base station controller sends, according to this first control signal, with operating frequency from f
2Switch to f
1, generated frequency is f
1Modulation signal and output to the radio frequency handoff links.
Wherein, before this step, this method also comprises: second channel machine generated frequency is f
2Modulation signal and output to the radio frequency handoff links; The radio frequency handoff links will (be that the frequency that the second channel machine generates is f from the modulation signal of second channel machine before receiving second control signal
2Modulation signal) send to second inlet of cavity mixer, the frequency of the filter support in the cavity mixer that described second inlet is connected comprises f
2, do not comprise f
1
1104, the radio frequency handoff links receives second control signal that base station controller sends, and stop first inlet to the cavity mixer and send modulation signal from first channel device, will (be that the frequency that the second channel machine generates is f from the modulation signal of second channel machine
2Modulation signal) send to first inlet of cavity mixer.
Wherein, step 1103 and step 1104 do not have the sequencing on the sequential, can carry out simultaneously.Wherein, the radio frequency handoff links among this embodiment can adopt the radio frequency handoff links among above-mentioned Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7.
Wherein, this method also comprises:
1105, base station controller monitors after the first channel device fault restoration, sends the 3rd control signal to the second channel machine, and the operating frequency that the 3rd control signal is used to control the second channel machine switches to f
2Send the 4th control signal to the radio frequency handoff links, the 4th control signal is used to control signal that the radio frequency handoff links sends to first inlet of cavity mixer and switches to modulation signal from first channel device from the modulation signal from the second channel machine.
1106, the second channel machine is according to the 3rd control signal, with operating frequency from f
1Switch to f
2, generated frequency is f
2Modulation signal and output to the radio frequency handoff links.
1107, the radio frequency handoff links receives the 4th control signal that base station controller sends, and stops first inlet to the cavity mixer and sends modulation signal from the second channel machine, will (i.e. the frequency of first channel device generation is f from the modulation signal of first channel device
1Modulation signal) send to first inlet of cavity mixer.
Wherein, step 1106 and step 1107 do not have the sequencing on the sequential, can carry out simultaneously.
Optionally, above-mentioned the 3rd control signal and the 4th control signal are that work duration that base station controller monitors the second channel machine sends when reaching the predetermined work duration.
The second channel machine switches to the operating frequency f of first channel device receiving the operating frequency that is used to control the second channel machine in the embodiment of the invention
1First control signal after, with operating frequency from f
2Switch to f
1, generated frequency is f
1Modulation signal and output to the radio frequency handoff links; The radio frequency handoff links will send to first inlet of cavity mixer from the modulation signal of second channel machine after receiving second control signal, like this, if first channel device breaks down, then the operating frequency of second channel machine switching oneself is the operating frequency of first channel device, the radio frequency handoff links sends to first inlet of cavity mixer with the modulation signal that generates after the second channel machine switch operating frequency, when the operating frequency of control channel is above-mentioned f
1The time, for travelling carriage, the frequency of its control channel does not change, thus travelling carriage search network again, base station of so just having avoided control channel to switch being caused and the communication disruption between the travelling carriage.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, read-only memory for example, disk or CD etc.
More than base station equipment and channel device changing method that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a base station equipment is characterized in that, comprising: radio frequency control link, first channel device and second channel machine,
First channel device, being used for generated frequency is f
1Modulation signal and output to radio frequency control link;
The second channel machine, be used to receive first control signal that base station controller sends, described first control signal is that work duration that base station controller monitors the first channel device fault or first channel device sends when reaching the predetermined work duration, and the operating frequency that described first control signal is used to control the second channel machine is f
1According to described first control signal, generated frequency is f
1Modulation signal and output to radio frequency control link;
Radio frequency control link, the frequency that is used for first channel device is generated is f
1Modulation signal output to the cavity mixer first the inlet; The frequency that the second channel machine is generated is f
1Modulation signal output to the cavity mixer first the inlet; Wherein, the frequency of the filter support in the described first cavity mixer that connected of inlet comprises f
1
2. base station equipment according to claim 1 is characterized in that,
Described second channel machine also was used for before first control signal that receives the base station controller transmission, and generated frequency is f
2Modulation signal and output to radio frequency control link;
Described radio frequency control link, be used to receive second control signal from base station controller, described second control signal is that work duration that base station controller monitors the first channel device fault or first channel device sends when reaching the predetermined work duration, and described second control signal is used to control signal that first inlet of radio frequency Quality Initiative road direction cavity mixer sends and switches to modulation signal from the second channel machine from the modulation signal from first channel device; Before receiving second control signal, sending the frequency that first channel device generates to first inlet of cavity mixer is f
1Modulation signal, sending the frequency that the second channel machine generates to second inlet of cavity mixer is f
2Modulation signal; After receiving second control signal, sending the frequency that the second channel machine generates to first inlet of cavity mixer is f
1Modulation signal, wherein, the frequency of the filter support in the described second cavity mixer that connected of inlet comprises f
2
3. base station equipment according to claim 2 is characterized in that,
Described second control signal also is used for, and the signal that second inlet of control radio frequency Quality Initiative road direction cavity mixer sends switches to modulation signal from first channel device from the modulation signal from the second channel machine;
Described radio frequency control link comprises: first radio-frequency relay and second radio-frequency relay, described first radio-frequency relay comprises: first delivery outlet that is electrically connected with first inlet of cavity mixer, second delivery outlet that is electrically connected with second inlet of cavity mixer, and the input port that is electrically connected with the delivery outlet of first channel device; Described second radio-frequency relay comprises: the 3rd delivery outlet that is electrically connected with second inlet of cavity mixer, the 4th delivery outlet that is electrically connected with first inlet of cavity mixer, and the input port that is electrically connected with the delivery outlet of second channel machine;
Under the control of second control signal, the input port of first radio-frequency relay is connected the input port that changes first radio-frequency relay into and is connected with second delivery outlet with first delivery outlet, the input port of second radio-frequency relay is connected the input port that changes second radio-frequency relay into and is connected with the 4th delivery outlet with the 3rd delivery outlet.
4. base station equipment according to claim 3 is characterized in that,
Described second control signal is a Transistor-Transistor Logic level.
5. base station equipment according to claim 3 is characterized in that,
Described second control signal is a digital signal;
Described radio frequency control link also comprises:
Control unit, after being used to receive second control signal of base station controller transmission, according to described second control signal, the input port of controlling first radio-frequency relay is connected the input port that changes first radio-frequency relay into and is connected with second delivery outlet with first delivery outlet; The input port of controlling second radio-frequency relay is connected the input port that changes second radio-frequency relay into and is connected with the 4th delivery outlet with the 3rd delivery outlet.
6. according to each described base station equipment of claim 2 to 5, it is characterized in that,
Described base station equipment also comprises:
Base station controller is used to monitor first channel device, sends first control signal to the second channel machine when the work duration of the first channel device fault or first channel device reaches the predetermined work duration, sends second control signal to radio frequency control link.
7. base station equipment according to claim 1 is characterized in that,
Described radio frequency control link comprises: first splitter, second splitter, first mixer and second mixer, wherein,
The input port of first splitter is electrically connected with the delivery outlet of first channel device, two delivery outlets of first splitter are electrically connected with an input port of first mixer and second mixer respectively, and two delivery outlets of second splitter are electrically connected with another input port of first mixer and second mixer respectively; The delivery outlet of first mixer is electrically connected with first inlet of cavity mixer; The delivery outlet of second mixer is electrically connected with second inlet of cavity mixer.
8. according to claim 1 or 7 described base station equipments, it is characterized in that,
Described base station equipment also comprises:
Base station controller is used to monitor first channel device, sends first control signal to the second channel machine when the work duration of the first channel device fault or first channel device reaches the predetermined work duration.
9. a channel device changing method is characterized in that, comprising:
The first channel device generated frequency is f
1Modulation signal and output to radio frequency control link; Radio frequency control link is f with the frequency that first channel device generates
1Modulation signal output to the cavity mixer first the inlet; The frequency of the filter support in the cavity mixer that described first inlet is connected comprises f
1
The second channel machine receives first control signal that base station controller sends, described first control signal is that work duration that base station controller monitors the first channel device fault or first channel device sends when reaching the predetermined work duration, and the operating frequency that described first control signal is used to control the second channel machine is f
1According to described first control signal, generated frequency is f
1Modulation signal and output to radio frequency control link; Described radio frequency control link is f with the frequency that the second channel machine generates
1Modulation signal output to the cavity mixer first the inlet.
10. method according to claim 9 is characterized in that:
Is f at described radio frequency control link with the frequency that the second channel machine generates
1Modulation signal output to the cavity mixer first the inlet before, this method also comprises:
Described radio frequency control link receives second control signal from base station controller, described second control signal is that work duration that base station controller monitors the first channel device fault or first channel device sends when reaching the predetermined work duration, and described second control signal is used to control signal that first inlet of radio frequency Quality Initiative road direction cavity mixer sends and switches to modulation signal from the second channel machine from the modulation signal from first channel device.
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| CN201110252536.9A CN102271370B (en) | 2011-08-30 | 2011-08-30 | Base station equipment and channel unit switching method |
| PCT/CN2012/075751 WO2013029395A1 (en) | 2011-08-30 | 2012-05-18 | Base station apparatus and channel machine switching method |
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|---|---|---|---|
| CN201110252536.9A CN102271370B (en) | 2011-08-30 | 2011-08-30 | Base station equipment and channel unit switching method |
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| WO2013029395A1 (en) * | 2011-08-30 | 2013-03-07 | 海能达通信股份有限公司 | Base station apparatus and channel machine switching method |
| CN102970704A (en) * | 2012-12-14 | 2013-03-13 | 大唐移动通信设备有限公司 | Radio link failure monitoring method and system and base station |
| CN104270833A (en) * | 2014-09-10 | 2015-01-07 | 哈尔滨海能达科技有限公司 | Wireless communication system and subdivider thereof |
| CN105259911A (en) * | 2015-07-22 | 2016-01-20 | 北京佰才邦技术有限公司 | Control method and system of movable carrier and control system of unmanned plane |
| CN105553994A (en) * | 2015-12-22 | 2016-05-04 | 通号通信信息集团上海有限公司 | Digital wireless communication system based on voice gateway and application thereof |
| CN106937346A (en) * | 2015-12-30 | 2017-07-07 | 哈尔滨海能达科技有限公司 | PDT control channel machines shift process, base station and base station controller |
| CN110098455A (en) * | 2018-01-30 | 2019-08-06 | 凯瑟雷恩欧洲股份公司 | HF combiner, HF combiner arragement construction and the mobile radio station of mobile radio station |
| CN111092672A (en) * | 2018-10-24 | 2020-05-01 | 成都鼎桥通信技术有限公司 | Channel selection method and device |
| CN111654921A (en) * | 2020-04-13 | 2020-09-11 | 广州维德科技有限公司 | Cluster base station communication method and cluster base station communication system |
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| WO2013029395A1 (en) * | 2011-08-30 | 2013-03-07 | 海能达通信股份有限公司 | Base station apparatus and channel machine switching method |
| CN102970704A (en) * | 2012-12-14 | 2013-03-13 | 大唐移动通信设备有限公司 | Radio link failure monitoring method and system and base station |
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| CN104270833A (en) * | 2014-09-10 | 2015-01-07 | 哈尔滨海能达科技有限公司 | Wireless communication system and subdivider thereof |
| CN105259911A (en) * | 2015-07-22 | 2016-01-20 | 北京佰才邦技术有限公司 | Control method and system of movable carrier and control system of unmanned plane |
| CN105553994A (en) * | 2015-12-22 | 2016-05-04 | 通号通信信息集团上海有限公司 | Digital wireless communication system based on voice gateway and application thereof |
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| CN106937346A (en) * | 2015-12-30 | 2017-07-07 | 哈尔滨海能达科技有限公司 | PDT control channel machines shift process, base station and base station controller |
| CN110098455A (en) * | 2018-01-30 | 2019-08-06 | 凯瑟雷恩欧洲股份公司 | HF combiner, HF combiner arragement construction and the mobile radio station of mobile radio station |
| CN110098455B (en) * | 2018-01-30 | 2022-04-29 | 瑞典爱立信有限公司 | HF combiner for a mobile radio station, HF combiner arrangement and mobile radio station |
| CN111092672A (en) * | 2018-10-24 | 2020-05-01 | 成都鼎桥通信技术有限公司 | Channel selection method and device |
| CN111092672B (en) * | 2018-10-24 | 2022-04-29 | 成都鼎桥通信技术有限公司 | Channel selection method and device |
| CN111654921A (en) * | 2020-04-13 | 2020-09-11 | 广州维德科技有限公司 | Cluster base station communication method and cluster base station communication system |
Also Published As
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| WO2013029395A1 (en) | 2013-03-07 |
| CN102271370B (en) | 2014-02-12 |
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