CN102970742B - Radio communication system frequency control method and device - Google Patents
Radio communication system frequency control method and device Download PDFInfo
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- CN102970742B CN102970742B CN201210491984.9A CN201210491984A CN102970742B CN 102970742 B CN102970742 B CN 102970742B CN 201210491984 A CN201210491984 A CN 201210491984A CN 102970742 B CN102970742 B CN 102970742B
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Abstract
The present invention discloses a kind of radio communication system frequency control method, comprising: the operating frequency of emitter is detected by front-end detection device, and the operating frequency of receiving apparatus is detected by rear end control device; Front-end detection device obtains the operating frequency of receiving apparatus, and whether the operating frequency judging the operating frequency of emitter and receiving apparatus is identical; If both operating frequencies are identical, then emitter is set up radio communication with receiving apparatus and is connected; If both operating frequencies are not identical, the operating frequency of receiving apparatus is adjusted to the operating frequency of emitter by rear end control device. The invention also discloses a kind of radio communication system frequency control device, comprise N platform emitter, N platform front-end detection device, receiving apparatus and rear end control device, N >=1. Radio communication system frequency control method provided by the present invention and device, can realize control to the operating frequency of receiving apparatus, effectively the quantity of control receiving apparatus and relevant support equipment thereof, it is to increase the utilization ratio of system resource.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of radio communication system frequency control method and device.
Background technology
Radio communication (WirelessCommunication) a kind of utilizes electromagnetic wave signal the characteristic of Free propagation in space can carry out the signalling methods of message exchange. In recent years, wireless communication technology is in communication technical field, with fastest developing speed, most widely used.
Existing radio communication system mainly comprises: mobile cellular net system, WLAN (wireless local area network) system, broadcast television system, satellite communication system and some wireless near field communication networks. Wherein, mobile cellular net system mainly contains the global system for mobile communications (GlobalSystemofMobilecommunication is called for short GSM) of Generation Mobile Telecommunication System technology; General packet radio service (GeneralPacketRadioService is called for short GPRS); G mobile communication CDMA 2000 (CodeDivisionMultipleAccess2000, be called for short CDMA2000), the many location (WidebandCodeDivisionMultipleAccess of wideband code division, it is called for short WCDMA) and the TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) (TimeDivision-SynchronousCodeDivisionMultipleAccess, be called for short TD-SCDMA) of China's independent intellectual property right. And WLAN (wireless local area network) system mainly comprises wireless high-fidelity (WirelessFidelity is called for short Wi-Fi) and worldwide interoperability for microwave access (WorldwideInteroperabilityforMicrowaveAccess is called for short WiMax).
At present, widely, it can realize the on-the-spot real-time line with command and control center, rear end, to realize the emergency processing to accident in the application of radio communication system in fields such as fire-fighting, water conservancy, traffic, safety and national defence.
Radio communication system is operationally, each emitter adopts mutually different frequency (i.e. different frequency) to carry out work, first by modulation, such as frequency modulation (FrequencyModulation, be called for short FM), amplitude modulation (AmplitudeModulation, be called for short AM) etc., then after data conversion, encrypt/decrypt etc. process, in the way of logical radio communication connects, respectively real-time condition on-the-spot separately is sent to the receiving apparatus of command and control center, rear end.
Wireless communication technology, according to work frequency range or transmission media classification, has medium wave communication, short-wave communication, ultrashort wave communication, micro-wave communication and satellite communications etc. Each concrete operating frequency in work frequency range, radio frequency (RadioFrequency is called for short RF) frequency when mainly referring to that emitter is launched and when receiving apparatus receives, and rf frequency just refers to applicable transmit by radio, the frequency propagated and receive.
In existing radio communication system, usually the physical location of multiple stage emitter is arranged in different places, receiving apparatus then fixed placement in places such as command and control centers, rear end. For ensureing the normal communication connection of emitter and receiving apparatus, the rear end command centre in system must be provided with the receiving apparatus identical with described emitter quantity, and it must adopt the operating frequency identical with emitter correspondingly. For example, a radio communication system includes 10 emitter, then rear end command centre need to be provided with 10 receiving apparatuss accordingly, receive the signal from described 10 emitter respectively, but the distinctive points of these 10 receiving apparatuss is mostly just its operating frequency separately. When radio communication system scale is bigger, the emitter quantity of system front end constantly increases, then rear end command centre will the numerous receiving apparatus of magnitude setting and relevant equipment, also make the structure of radio communication system too complicated simultaneously.
Therefore, current radio communication system generally also exists complex structure, resource utilization is low, frequency interferences is serious and the defect such as construction cost height.
Summary of the invention
Technical problem to be solved by this invention is, a kind of radio communication system frequency control method and device are provided, by the operating frequency of radio communication system being controlled, reduce the quantity of the receiving equipment in the command centre of rear end, it is to increase the utilization ratio of system resource.
For solving above technical problem, the present invention provides a kind of radio communication system frequency control method, comprises the following steps:
The operating frequency of emitter is detected by front-end detection device, and the operating frequency of receiving apparatus is detected by rear end control device; Each emitter adopts mutually different frequency to carry out work, adopts the mode of different frequency to pass on the field data of every platform emitter to receiving apparatus;
Described front-end detection device sends query statement to described rear end control device, obtains the operating frequency of described receiving apparatus;
Described front-end detection device judges that whether the operating frequency of the operating frequency of described emitter and described receiving apparatus is identical;
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, described emitter is set up radio communication with described receiving apparatus and is connected;
When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, the amendment order of described front-end detection device transmission frequency is to described rear end control device; Described rear end control device is according to described frequency modification order, and after the operating frequency of described receiving apparatus is adjusted to the operating frequency of described emitter, described emitter is set up radio communication with described receiving apparatus and is connected.
The present invention also provides a kind of radio communication system frequency control device, comprises N platform emitter, N platform front-end detection device, receiving apparatus and rear end control device, N >=1;
Described N platform emitter and described N platform front-end detection device connect one to one; Described receiving apparatus is connected with described rear end control device; Each emitter adopts mutually different frequency to carry out work, adopts the mode of different frequency to pass on the field data of every platform emitter to receiving apparatus;
Described front-end detection device is used for the operating frequency to described emitter and detects, and described rear end control device is used for the operating frequency to described receiving apparatus and detects;
Described front-end detection device also for sending query statement to described rear end control device, obtains the operating frequency of described receiving apparatus;
Also whether operating frequency for the operating frequency and described receiving apparatus that judge described emitter is identical for described front-end detection device;
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, described emitter is set up radio communication with described receiving apparatus and is connected;
When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, the amendment order of described front-end detection device transmission frequency is to described rear end control device; Described rear end control device is according to described frequency modification order, and after the operating frequency of described receiving apparatus is adjusted to the operating frequency of described emitter, described emitter is set up radio communication with described receiving apparatus and is connected.
Radio communication system frequency control method provided by the invention and device, by the operating frequency of the receiving apparatus in control radio communication system, make the information that in radio communication system a receiving apparatus can receive multiple stage emitter and transmits, avoiding receiving apparatus must, operating frequency corresponding identical situation consistent with the emitter quantity of system front end, greatly increase the utilization ratio of system resource, and effectively reduce the frequency interferences in system. Especially when radio communication system scale is relatively big, when there is more transmitter, radio communication system frequency control method provided by the present invention is more obvious with the excellent properties of device, can effectively reduce complexity and the system construction cost of system architecture, it is to increase the utilization ratio of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of radio communication system frequency control method provided by the invention;
Fig. 2 is the structural representation of the 2nd embodiment of radio communication system frequency control method provided by the invention;
Fig. 3 is the structural representation of the first embodiment of radio communication system frequency control device provided by the invention;
Fig. 4 is the one-piece construction figure of the radio communication system frequency control device that Fig. 3 provides;
Fig. 5 is the structural representation of the 2nd embodiment of radio communication system frequency control device provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
See Fig. 1, it it is the structural representation of the first embodiment of radio communication system frequency control method provided by the invention.
In the present embodiment, the transmitter of this radio communication system comprises front-end detection device and emitter, and receiving equipment comprises rear end control device and receiving apparatus. When specifically implementing, described radio communication system frequency control method, comprises the following steps:
Step 101: the operating frequency of emitter is detected by front-end detection device, the operating frequency of receiving apparatus is detected by rear end control device.
When specifically implementing, each emitter adopts mutually different frequency to carry out work, namely adopts the mode of different frequency to pass on the field data of every platform emitter to receiving apparatus. Front-end detection device obtains its operating frequency after emitter being detected, rear end control device obtains its operating frequency after being detected by receiving apparatus. The working order of emitter and receiving apparatus grasped respectively by front-end detection device and rear end control device, so that extracting the operating frequency of emitter or receiving apparatus in subsequent disposal.
Step 102: described front-end detection device sends query statement to described rear end control device, obtains the operating frequency of described receiving apparatus.
After described front-end detection device obtains the operating frequency of receiving apparatus, then it grasps the operating frequency parameter of emitter and receiving apparatus simultaneously, so that comparing the operating frequency of emitter and receiving apparatus.
Step 103: described front-end detection device judges that whether the operating frequency of the operating frequency of described emitter and described receiving apparatus is identical.
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, perform step 105; When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, then perform step 104.
Step 104: the amendment order of described front-end detection device transmission frequency is to described rear end control device; The operating frequency of described receiving apparatus, according to described frequency modification order, is adjusted to the operating frequency of described emitter by described rear end control device.
Step 105: described emitter is set up radio communication with described receiving apparatus and is connected.
See Fig. 2, it it is the structural representation of the 2nd embodiment of radio communication system frequency control method provided by the invention.
The difference of the present embodiment and the first embodiment is, specifically, described front-end detection device comprises frequency detection module further and launches end wireless module, and described rear end control device comprises control module and receiving end wireless module further.
When specifically implementing, described radio communication system frequency control method, comprises the following steps:
Step 201: the operating frequency of described emitter is detected by described frequency detection module, and the operating frequency of described emitter is sent to described transmitting end wireless module; The operating frequency of described receiving apparatus is detected by described control module, and the operating frequency of described receiving apparatus is sent to described receiving end wireless module.
Identical with the first embodiment, in the specific implementation, each emitter is also adopt the mode of different frequency to pass on the field data of every platform emitter to receiving apparatus to the present embodiment. Specifically, emitter operating frequency is detected by the frequency detection module in front-end detection device, and receiving apparatus operating frequency is detected by the control module in the control device of rear end; And transmitting end wireless module acquisition frequency detection module is detected the emitter operating frequency obtained, receiving end wireless module obtains control module and is detected the operation of receiver frequency obtained, so that " frequency is mutual " of transmitting end in this radio communication system and receiving end.
Step 202: described transmitting end wireless module sends query statement to described receiving end wireless module, obtains the operating frequency of described receiving apparatus, and sends it to described frequency detection module.
Described transmitting end wireless module sends it to frequency detection module after obtaining the operating frequency of receiving apparatus, then described frequency detection module grasps the operating frequency parameter of emitter and receiving apparatus simultaneously, so that comparing the operating frequency of emitter and receiving apparatus.
Step 203: described frequency detection module judges that whether the operating frequency of the operating frequency of described emitter and described receiving apparatus is identical.
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, perform step 205;
When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, then perform step 204.
Step 204: described frequency detection module produces frequency modification order, and is transferred to described transmitting end wireless module; Described frequency modification order is sent to described receiving end wireless module by described transmitting end wireless module; Described frequency modification order is transferred to described control module after described receiving end wireless module receives; The operating frequency of described receiving apparatus, according to described frequency modification order, is adjusted to the operating frequency of described emitter by described control module.
Step 205: described emitter is set up radio communication with described receiving apparatus and is connected.
Further, in the present embodiment, described frequency modification order comprises verification information. When performing step 204, specifically, after control module in the control device of described rear end receives described frequency modification order, parse the verification information in described frequency modification order, verify errorless after, described control module sends a control signal to described receiving apparatus, and the operating frequency of described receiving apparatus is adjusted to the operating frequency of described emitter.
In the specific implementation, the frequency modification order that control module sends over according to transmitting end wireless module, according to parameters such as default decoding process, passage mark, order words, parses the new operating frequency in described frequency modification order; After control module correctly resolves described frequency modification order, just can complete the automatic amendment of operation of receiver frequency. Now, new operating frequency is switched to the work at present frequency of receiving apparatus by control module, and former operating frequency can be used as frequency for subsequent use, so that calling at any time in the later stage communicates or switching.
Further, in the present embodiment, described receiving end wireless module receives the frequency modification order of described transmitting end wireless module by frequency modulated mode or general packet radio service mode. When specifically implementing, the communication between described transmitting end wireless module and described receiving end wireless module can adopt FM mode of frequency regulation or GPRS mode to carry out, but is not only limited to this two kinds of signalling methodss.
The useful effect implementing the radio communication system frequency control method that the embodiment of the present invention provides is, the control to the operation of receiver frequency in System Back-end command centre can be realized, make the mating of operating frequency of each emitter of receiving apparatus with system front end, thus realize multiple stage emitter and the communication connection of a receiving apparatus, can effectively save the frequency resource of receiving apparatus, and effective receiving apparatus of Controlling System rear end command centre and the quantity of relevant support equipment.
See Fig. 3, it it is the structural representation of the first embodiment of radio communication system frequency control device provided by the invention.
In the present embodiment, described radio communication system frequency control device, comprises N platform emitter 100, N platform front-end detection device 200, receiving apparatus 300 and rear end control device 400, N >=1.
Described N platform emitter 100 connects one to one with described N platform front-end detection device 200; Described receiving apparatus 300 is connected with described rear end control device 400.
Described front-end detection device 200 is for detecting the operating frequency of described emitter 100, and described rear end control device 400 is for detecting the operating frequency of described receiving apparatus 300.
Described front-end detection device 200 also for sending query statement to described rear end control device 400, obtains the operating frequency of described receiving apparatus 300.
Also whether operating frequency for the operating frequency and described receiving apparatus 400 that judge described emitter 100 is identical for described front-end detection device 200.
When the operating frequency of described emitter 100 is identical with the operating frequency of described receiving apparatus 300, described emitter 100 is set up radio communication with described receiving apparatus 300 and is connected.
When the operating frequency of described emitter 100 is not identical with the operating frequency of described receiving apparatus 300, the amendment order of described front-end detection device 200 transmission frequency is to described rear end control device 400; Described rear end control device 400 is according to described frequency modification order, and after the operating frequency of described receiving apparatus 300 is adjusted to the operating frequency of described emitter 100, described emitter 100 is set up radio communication with described receiving apparatus 300 and is connected.
In the present embodiment, the principle of work of this radio communication system frequency control device is: the operating frequency of the emitter 100 that detection is obtained by front-end detection device 200, the operating frequency detecting the receiving apparatus 300 obtained with rear end control device 400 compares, if both are identical, this emitter 100 can directly be set up radio communication with receiving apparatus 300 and be connected; If both are not identical, then front-end detection device 200 produces frequency modification order, and described frequency modification order is sent to rear end control device 400; Rear end control device 400, according to described frequency modification order, revises the operating frequency of receiving apparatus 300; When receiving apparatus 300 is identical with the operating frequency of emitter 100, both set up radio communication and connect.
It should be noted that, Fig. 3 only depicts emitter 100 connection corresponding to a front-end detection device 200, and illustrate only the communication connection of an emitter 100 with receiving apparatus 300. In fact, emitter 100 radio communication system frequency control device in the present embodiment also exists N platform, and N platform emitter 100 correspond to a receiving apparatus 300 jointly. Wherein, N is natural number, and N >=1.
See Fig. 4, it is the one-piece construction figure of the radio communication system frequency control device that Fig. 3 provides.
As shown in Figure 4, in specific implementation process, can using an emitter 100 and a front-end detection device 200 as a transmitter, using a receiving apparatus 300 and a rear end control device 400 as a receiving equipment. In the radio communication system frequency control device then provided at Fig. 3, exist N platform transmitter (can see the transmitter 1 in Fig. 4, transmitter 2 ..., transmitter N), and described N platform transmitter correspond to a receiving equipment jointly.
In the specific implementation, obviously, in the radio communication system frequency control device provided at the present embodiment, along with the continuous increase of the quantity of its transmitter, correspondingly, the quantity of its receiving equipment also can suitably increase, and not the quantity of receiving apparatus or receiving equipment is defined as unique one. That is, can there is other M platform transmitter in the radio communication system frequency control device that the embodiment of the present invention provides, they correspond to another receiving equipment jointly. Wherein, M is natural number, and M >=1.
See Fig. 5, it it is the structural representation of the 2nd embodiment of radio communication system frequency control device provided by the invention.
The difference of the embodiment shown in the present embodiment and Fig. 3 is: described front-end detection device 200 comprises frequency detection module 210 further and launches end wireless module 220, and described rear end control device 400 comprises control module 410 and receiving end wireless module 420 further.
Specifically, described emitter 100 is connected with described frequency detection module 210, and described frequency detection module 210 is also connected with described transmitting end wireless module 220; Described receiving apparatus 300 is connected with described control module 410, and described control module 410 is also connected with described receiving end wireless module 420.
Described frequency detection module 210 is for detecting the operating frequency of described emitter 100, and the operating frequency of described emitter 100 is sent to described transmitting end wireless module 420.
Described control module 410 is for detecting the operating frequency of described receiving apparatus 300, and 300 operating frequencies of described receiving apparatus are sent to described receiving end wireless module 420.
Described transmitting end wireless module 220, for sending query statement to described receiving end wireless module 420, obtains the operating frequency of described receiving apparatus 300, and sends it to described frequency detection module 210.
Also whether operating frequency for the operating frequency and described receiving apparatus 300 that judge described emitter 100 is identical for described frequency detection module 210.
When the operating frequency of described emitter 100 is identical with the operating frequency of described receiving apparatus 300, described emitter 100 is set up radio communication with described receiving apparatus 300 and is connected.
When the operating frequency of described emitter 100 is not identical with the operating frequency of described receiving apparatus 300, described frequency detection module 210 produces frequency modification order, and is transferred to described transmitting end wireless module 220.
Described transmitting end wireless module 220 is also for being sent to described receiving end wireless module 420 by described frequency modification order; Described frequency modification order is transferred to described control module 410 after described receiving end wireless module 420 receives; The operating frequency of described receiving apparatus 300, according to described frequency modification order, is adjusted to the operating frequency of described emitter 100 by described control module 410; Described emitter 100 is set up radio communication with described receiving apparatus 300 and is connected.
Further, in the radio communication system frequency control device that the present embodiment provides, described frequency modification order comprises verification information; Control module 410 in described rear end control device 400 is also for after receiving described frequency modification order, parsing the verification information in described frequency modification order; Verify errorless after, the operating frequency of described receiving apparatus 300 also for sending a control signal to described receiving apparatus 300, is adjusted to the operating frequency of described emitter 100 by described control module 410.
Further, in the radio communication system frequency control device that the present embodiment provides, described receiving end wireless module 420 receives the frequency modification order of described transmitting end wireless module 220 by frequency modulated mode or general packet radio service mode.
When specifically implementing, communication between described transmitting end wireless module 220 and described receiving end wireless module 420 can adopt FM mode of frequency regulation (i.e. frequency modulated mode) or GPRS mode (i.e. general packet radio service mode) to carry out, but is not only limited to this two kinds of signalling methodss.
In the present embodiment, the principle of work of this radio communication system frequency control device is: first frequency detection module 210 detects the operating frequency of the emitter 100 of the systems radiate end at its place, receive the operating frequency of the receiving apparatus 300 from System Back-end command centre again by launching end wireless module 220, and then judge that whether emitter 100 is consistent with the operating frequency of receiving apparatus 300. If both operating frequencies are consistent, then emitter 100 can directly be set up radio communication with receiving apparatus 200 and is connected; If both operating frequencies are inconsistent, then frequency detection module 210 produces frequency modification order, and by launching end wireless module 220, described frequency modification order is sent to receiving end wireless module 420; Receiving end wireless module 420 sends frequency modification order to control module 410 again; Control module 410 correctly parses the operating frequency of emitter 100, then the operating frequency of receiving apparatus 300 is revised as the operating frequency of emitter 100. When described receiving apparatus 300 is identical with the operating frequency of emitter 100, both can set up radio communication and connect.
It should be noted that, identical with the embodiment shown in Fig. 3, Fig. 5 only depicts emitter 100 connection corresponding to a front-end detection device 200, and illustrate only the communication connection of an emitter 100 with receiving apparatus 300. In fact, emitter 100 radio communication system frequency control device in the present embodiment also exists N platform, and N platform emitter 100 correspond to a receiving apparatus 300 jointly. Wherein, N is natural number, and N >=1.
Radio communication system frequency control method that the embodiment of the present invention provides and device, by the operating frequency of the receiving apparatus in control radio communication system, make the information that in radio communication system a receiving apparatus can receive multiple stage emitter and transmits, the effectively quantity of control receiving apparatus and relevant support equipment thereof, greatly increase the utilization ratio of system resource, and effectively reduce the frequency interferences in system. Especially when radio communication system scale is relatively big, emitter quantity constantly increases, the radio communication system frequency control method that the embodiment of the present invention provides is more obvious with the excellent properties of device, can effectively reduce complexity and the system construction cost of system architecture, it is to increase the utilization ratio of system equipment resource.
The above is the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a radio communication system frequency control method, it is characterised in that, comprise the following steps:
The operating frequency of emitter is detected by front-end detection device, and the operating frequency of receiving apparatus is detected by rear end control device; Each emitter adopts mutually different frequency to carry out work, adopts the mode of different frequency to pass on the field data of every platform emitter to receiving apparatus;
Described front-end detection device sends query statement to described rear end control device, obtains the operating frequency of described receiving apparatus;
Described front-end detection device judges that whether the operating frequency of the operating frequency of described emitter and described receiving apparatus is identical;
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, described emitter is set up radio communication with described receiving apparatus and is connected;
When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, the amendment order of described front-end detection device transmission frequency is to described rear end control device; Described rear end control device is according to described frequency modification order, and after the operating frequency of described receiving apparatus is adjusted to the operating frequency of described emitter, described emitter is set up radio communication with described receiving apparatus and is connected.
2. radio communication system frequency control method as claimed in claim 1, it is characterized in that, described front-end detection device comprises frequency detection module further and launches end wireless module, and described rear end control device comprises control module and receiving end wireless module further, and described method comprises:
The operating frequency of described emitter is detected by described frequency detection module, and the operating frequency of described emitter is sent to described transmitting end wireless module;
The operating frequency of described receiving apparatus is detected by described control module, and the operating frequency of described receiving apparatus is sent to described receiving end wireless module;
Described transmitting end wireless module sends query statement to described receiving end wireless module, obtains the operating frequency of described receiving apparatus, and the operating frequency of described receiving apparatus is sent to described frequency detection module;
Described frequency detection module judges that whether the operating frequency of the operating frequency of described emitter and described receiving apparatus is identical;
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, described emitter is set up radio communication with described receiving apparatus and is connected;
When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, described frequency detection module produces frequency modification order, and gives described transmitting end wireless module by described frequency modification command transfer;
Described frequency modification order is sent to described receiving end wireless module by described transmitting end wireless module;
Described frequency modification order is transferred to described control module after described receiving end wireless module receives; Described control module is according to described frequency modification order, and after the operating frequency of described receiving apparatus is adjusted to the operating frequency of described emitter, described emitter is set up radio communication with described receiving apparatus and is connected.
3. radio communication system frequency control method as claimed in claim 2, it is characterised in that, described frequency modification order comprises verification information;
After control module in the control device of described rear end receives described frequency modification order, parse the verification information in described frequency modification order, verify errorless after, described control module sends a control signal to described receiving apparatus, and the operating frequency of described receiving apparatus is adjusted to the operating frequency of described emitter.
4. radio communication system frequency control method as described in item as arbitrary in claim 2��3, it is characterised in that, described receiving end wireless module receives the frequency modification order of described transmitting end wireless module by frequency modulated mode or general packet radio service mode.
5. a radio communication system frequency control device, it is characterised in that, comprise N platform emitter, N platform front-end detection device, receiving apparatus and rear end control device, N >=1;
Described N platform emitter and described N platform front-end detection device connect one to one; Described receiving apparatus is connected with described rear end control device; Each emitter adopts mutually different frequency to carry out work, adopts the mode of different frequency to pass on the field data of every platform emitter to receiving apparatus;
Described front-end detection device is used for the operating frequency to described emitter and detects, and described rear end control device is used for the operating frequency to described receiving apparatus and detects;
Described front-end detection device also for sending query statement to described rear end control device, obtains the operating frequency of described receiving apparatus;
Also whether operating frequency for the operating frequency and described receiving apparatus that judge described emitter is identical for described front-end detection device;
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, described emitter is set up radio communication with described receiving apparatus and is connected;
When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, the amendment order of described front-end detection device transmission frequency is to described rear end control device; Described rear end control device is according to described frequency modification order, and after the operating frequency of described receiving apparatus is adjusted to the operating frequency of described emitter, described emitter is set up radio communication with described receiving apparatus and is connected.
6. radio communication system frequency control device as claimed in claim 5, it is characterized in that, described front-end detection device comprises frequency detection module further and launches end wireless module, and described rear end control device comprises control module and receiving end wireless module further;
Described emitter is connected with described frequency detection module, and described frequency detection module is also connected with described transmitting end wireless module; Described receiving apparatus is connected with described control module, and described control module is also connected with described receiving end wireless module;
Described frequency detection module is used for the operating frequency to described emitter and detects, and the operating frequency of described emitter is sent to described transmitting end wireless module;
Described control module is used for the operating frequency to described receiving apparatus and detects, and the operating frequency of described receiving apparatus is sent to described receiving end wireless module;
Described transmitting end wireless module is used for sending query statement to described receiving end wireless module, obtains the operating frequency of described receiving apparatus, and the operating frequency of described receiving apparatus is sent to described frequency detection module;
Also whether operating frequency for the operating frequency and described receiving apparatus that judge described emitter is identical for described frequency detection module;
When the operating frequency of described emitter is identical with the operating frequency of described receiving apparatus, described emitter is set up radio communication with described receiving apparatus and is connected;
When the operating frequency of described emitter is not identical with the operating frequency of described receiving apparatus, described frequency detection module produces frequency modification order, and gives described transmitting end wireless module by described frequency modification command transfer;
Described transmitting end wireless module is also for being sent to described receiving end wireless module by described frequency modification order; Described frequency modification order is transferred to described control module after described receiving end wireless module receives; The operating frequency of described receiving apparatus, according to described frequency modification order, is adjusted to the operating frequency of described emitter by described control module; Described emitter is set up radio communication with described receiving apparatus and is connected.
7. radio communication system frequency control device as claimed in claim 6, it is characterised in that, described frequency modification order comprises verification information;
Control module in the control device of described rear end is also for after receiving described frequency modification order, parsing the verification information in described frequency modification order; Verify errorless after, the operating frequency of described receiving apparatus also for sending a control signal to described receiving apparatus, is adjusted to the operating frequency of described emitter by described control module.
8. radio communication system frequency control device as described in item as arbitrary in claim 6��7, it is characterised in that, described receiving end wireless module receives the frequency modification order of described transmitting end wireless module by frequency modulated mode or general packet radio service mode.
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CN1949703A (en) * | 2005-10-14 | 2007-04-18 | 株式会社瑞萨科技 | Transmitting/receiving device and communication system using the same |
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