CN1568058A - A remote control system and method thereof - Google Patents
A remote control system and method thereof Download PDFInfo
- Publication number
- CN1568058A CN1568058A CN 03137712 CN03137712A CN1568058A CN 1568058 A CN1568058 A CN 1568058A CN 03137712 CN03137712 CN 03137712 CN 03137712 A CN03137712 A CN 03137712A CN 1568058 A CN1568058 A CN 1568058A
- Authority
- CN
- China
- Prior art keywords
- mode
- long
- control
- controlled device
- wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a telecontrol system. It includes telecontrol section and controlled device section. And message sending and receiving devices with at least two message sending mode are separately integrated in the telecontrol section and the controlled device section. The message sending and receiving device separately connects to the telecontrol module of the telecontrol section and the main control module of the controlled device. The invention also discloses a telecontrol method. While the message is been sending between the telecontrol section and the controlled device section, the message sending mode would be reasonably chosen according to the actually size of the message, and can automatically switch into another message sending mode when one of the message sending mode comes into fault. The invention could sharply decrease the cost of the user using telecontrol system and improve the reliability of telecontrol system.
Description
Technical field
The present invention relates to remote control technology, be specifically related to a kind of tele-control system and method thereof.
Background technology
Flourish along with wireless network also obtained increasing application based on the remote control technology of wireless network at present.For example, in mobile radio system, need carry out Long-distance Control to base station and repeater.
The repeater is a kind of a kind of radio transmission transferring equipment that plays the signal humidification in the wireless communication transmissions process, and the blind area that is widely used in mobile radio system covers, the suburb covers, the occasions such as covering along the line of highway.Along with the mobile radio system frequency constantly develops to high band, the quantity demand to the repeater in the mobile radio system is also increasing.In order to ensure the normal operation of network, need carry out remote operation maintaining to numerous repeaters, in time handle the information such as fault alarm of repeater, and adjust running parameter of repeater etc. as required.
Fig. 1 is the structured flowchart of existing repeater.The course of work of repeater as can be seen from Figure 1, at down direction, by donor antenna pickoff signals from existing overlay area,, the signal of filtering is transmitted into after power amplifier amplifies once more treats the overlay area by the out-of-band signal of band pass filter filtered signal; At up direction, the signal of the travelling carriage in the overlay area is transmitted into corresponding base station through after the similar processing procedure, thereby realizes the signal transmission between base station and the travelling carriage.
At present the mode that Long-distance Control is carried out in the repeater mainly is to embed travelling carriage in the repeater, needs to increase a large amount of processing units in this case, realizes the cost height.
In order to reduce the development cost of system, can consider directly to use the mode of wireless information to carry out Long-distance Control.Number be 01140814.6 in Chinese patent application, denomination of invention is in the patent application of " based on the tele-control system and the method for wireless information business ", proposed to use tele-control system and the method for controlling such as the wireless information of short message.Fig. 2 shows its system architecture diagram.As can be seen from Figure 2, this system comprises wireless information receiving system and wireless information dispensing device, and further comprises the control application server that is used for controlling each controlled device, and the control application server is connected with each controlled device by cable network.Figure 3 illustrates the employed long-range control method of this tele-control system, comprise sending wireless information, receiving wireless information, the message that receives is carried out safety inspection, generated control command and control command sent to step such as controlled device according to wireless information.The scheme that provides from this patent application as can be seen, it uses wireless information can utilize the cordless communication network of existing maturation, for example global digital mobile phone (GSM) system or code division multiple access (CDMA) network, compare cable network, reduced cost, and controlled convenient flexible.
But in present Long-distance Control based on wireless information business, can only use a kind of wireless information, for example short message (SMS) or GPRS (GPRS), the byte of the message of Fa Songing is very many if desired, the simple SMS that uses needs considerable time, and also can increase the cost expenditure.On the contrary, if use GPRS merely, under the situation that message is very simple, byte is considerably less that needs send, using the GPRS transmission to compare the SMS meeting equally can cost of idleness.
Present control system, particularly the control system at commercial Application becomes increasingly complex, and the message of transmission is also varied, the length of its byte and disunity, the message that has may have only several bytes, and the message that has even have million byte.How to select to send the form of message in this case flexibly, thereby make the use cost of Long-distance Control minimum, also do not have a kind of method can accomplish this point at present.
Summary of the invention
In view of this, an object of the present invention is to provide a kind of tele-control system, this system can suitable wireless information form transmit this message according to the Capacity Selection of real messages, thereby reduces the cost that transmits message.
Another object of the present invention is to provide a kind of long-range control method according to above-mentioned tele-control system.
Above-mentioned purpose of the present invention is achieved by the following technical solutions:
A kind of tele-control system, comprise Long-distance Control part and controlled device part, comprised the information receiving and transmitting device of two or more transmission of messages mode respectively integrated in Long-distance Control part and controlled device part, the information receiving and transmitting device respectively with Long-distance Control partly remote control module and the main control module of controlled device be connected.
In this tele-control system, the transmission of messages mode can be a wireless mode, and this moment, the information receiving and transmitting device was radio modem (MODEM).The wireless mode here can comprise SMS mode, general data transmission means, GPRS mode, Multimedia Message (MMS) mode that is applied to gsm system, and wireless modem is the GSM MODEM that supports gsm system.The wireless mode here also can comprise SMS mode, MMS mode and the data service mode that is applied to cdma system, and described wireless modem is the CDMA MODEM that supports cdma system.
In this tele-control system, two or more transmission of messages mode can comprise wireless mode and wired mode at least, and this moment, the information receiving and transmitting device was wireless modem and wired MODEM.Wherein, wireless mode may further include two or more wireless mode again.
In this tele-control system, the information receiving and transmitting device can be integrated in the Long-distance Control server of Long-distance Control server section and the controlled device inside of controlled device part respectively.
A kind of long-range control method comprises at least:
A. Long-distance Control part transmitting control commands or controlled device partly send response message;
B. between Long-distance Control part and controlled device part, transmit control command or response message;
C. controlled device partly receives from the control command of Long-distance Control part and carries out the operation that comprises in the control command, and perhaps Long-distance Control partly receives from the response message of controlled device part and to response message and carries out corresponding operating;
Wherein step b further comprises:
Determine the byte number of control command or response message, and use corresponding transmission of messages mode transmission control command or response message between Long-distance Control part and controlled device part according to predefined byte number scope.
In above-mentioned long-range control method, step b may further include:
Calculating preestablishes the message traffic in the time period, and whether judges flow greater than preset value, if use wired mode transmission control command or response message between Long-distance Control part and controlled device part; Otherwise further determine the byte number of control command or response message and carry out subsequent step.
In above-mentioned long-range control method, predefined byte number scope can be two scopes among the step b, if the byte number of control command or response message in the byte number small range, uses wireless SMS trafficwise transmission; If the byte number of control command or response message in the bigger scope of byte number, uses the wireless GPRS trafficwise of gsm system or the data service mode of cdma system to transmit.
In above-mentioned long-range control method,, switch to another kind of wireless traffic mode and transmit if break down when wherein a kind of wireless traffic mode is transmitted; If break down when transmitting, switch to the wireless traffic mode and transmit by wired mode.
From technical scheme of the present invention as can be seen, by being provided with the information receiving and transmitting device of two or more transmission of messages mode integrated, can select suitable transmission of messages mode to transmit according to its length to concrete message, thereby greatly reduced user's use cost, and therefore promoted further popularizing and development of tele-control system.
The present invention can the situation that certain transmission of messages mode breaks down therein under, automatically switch to other transmission means, can only use a kind of transmission means compared to existing technology, the present invention has greatly improved the whole system reliability of operation.
Simultaneously, use the wireless information send mode except utilizing cordless communication network, the present invention can further use wired mode to transmit message, and it is faster that jumbo message is transmitted, and cost is cheaper.
Description of drawings
Fig. 1 is the structured flowchart of repeater in the existing wireless communications system;
Fig. 2 is the schematic diagram that has now based on the tele-control system of wireless information business;
Fig. 3 is the flow chart that has now based on the long-range control method of wireless information business;
Fig. 4 is a kind of of the present invention's tele-control system of being applied to wireless communication system repeater control
The schematic diagram of embodiment;
Fig. 5 is a structured flowchart embodiment illustrated in fig. 4;
Fig. 6 is that control command embodiment illustrated in fig. 4 issues flow chart;
Fig. 7 is response message report flow figure embodiment illustrated in fig. 4;
Fig. 8 is the schematic diagram of the tele-control system of second kind of embodiment of the present invention;
Fig. 9 is that control command embodiment illustrated in fig. 8 issues flow chart;
Figure 10 is response message report flow figure embodiment illustrated in fig. 8.
Embodiment
The present invention is described in detail with the specific embodiment that is applied to the control of radio communication system base station and repeater below in conjunction with accompanying drawing.
Fig. 4 shows the schematic diagram of one embodiment of the invention, as shown in Figure 4, in order to realize concentrated Long-distance Control with lower development cost and use cost to a plurality of controlled devices, tele-control system according to the present invention comprises Long-distance Control part and controlled device part, wherein Long-distance Control partly comprises remote control module and information receiving and transmitting device that is used to send and receive wireless information that is positioned on the Long-distance Control server, controlled device partly comprises the main control module that is positioned at controlled device, and comprises an information receiving and transmitting device that is used to send and receive wireless information equally.The information receiving and transmitting device here can be a radio modem (MODEM), and the MODEM in the controlled device also can directly be a mobile module.
Further as shown in Figure 5, in the Long-distance Control part, remote control module is positioned at Long-distance Control server inside, and MODEM can be integrated in remote controllers inside, also can and be connected to remote control module in Long-distance Control server outside.In order to come transmitting control commands according to the different wireless information of different control command Capacity Selection, when transmitting control commands, remote control module of the present invention is used to receive user's control commands and encrypts, judge the control command capacity then and according to Capacity Selection different radio message mode, MODEM of the present invention is then integrated at least two kinds of wireless information business, for example SMS business and gprs service, MODEM is used to receive the control command from remote control module, and the wireless information business transmitting control commands that uses remote control module to select.When receiving response message, MODEM is used to receive the response message from controlled device that sends by wireless network, and sends this response message to remote control module, after remote control module receives response message, be used for authentication, deciphering, response message is used then.
In the controlled device part, main control module is positioned at controlled device inside, and MODEM can be integrated in controlled device inside equally, also can and be electrically connected to main control module in the controlled device outside.When receiving control command, MODEM is used to receive the control command from the Long-distance Control server that sends by wireless network, and sends it to main control module.Main control module is used for control command is carried out authentication, deciphering, then control command is distributed to corresponding other module.When sending response message, main control module is used to collect corresponding information, finishes framing, encryption, and selects suitable wireless information mode according to the response message character length.The wireless information business that MODEM is used to use main control module to select sends to the Long-distance Control server with response message.
System configuration of the present invention has been described above.As can be seen, by integrated at least two kinds of wireless information business in MODEM, and in remote control module or main control module, increase a module that is used to judge message-length and selects suitable messaging service according to judged result, thereby make the present invention select suitable wireless information send mode according to the order or the message-length of reality, accomplished that cost is minimum, and control is also convenient flexibly.
The following describes long-range control method of the present invention.Long-range control method equally also comprises the process of transmitting control commands and receives the process of response message, below it introduced respectively.
As shown in Figure 6, when transmitting control commands, at first in step 601, remote control module receives the order of user by the main frame input of Control Server, encrypts in step 602 pair order then.In step 603, whether judge command byte greater than preset value, then if greater than preset value, show that then this byte is very big, use SMS message to send and not only lose time but also need higher cost, so execution in step 604, just MODEM transmits control command by gprs service; If command byte is less than preset value, show that then this order is suitable for the professional transmission of SMS, and need not use the gprs service mode, may form the expenditure waste equally for the so little order of byte, so execution in step 605, promptly MODEM is by the professional transmission of SMS control command.
For example, the byte number of control command may be seldom when carrying out regular maintenance, at this moment only need to use the SMS mode to get final product, and will carry out the remote version upgrading to base station and repeater the time, control command will be very complicated, its byte number will be quite big, at this moment just be suitable for carrying out transfer of data with the GPRS mode.
In step 606, the MODEM of controlled device receives the control command from remote control module, obtains the sign (ID) number of Long-distance Control server, then control command is sent to main control module.Main control module carries out authentication and deciphering in step 607 and 608 pairs of control commands respectively, and the control command after step 609 will be deciphered is issued corresponding module then, carries out corresponding adjusting by corresponding module according to control command.
As shown in Figure 7, when receiving response message, at first in step 701, collect response message by the main control module in the controlled device, in step 702, main control module carries out framing, encryption to response message then, and judges that in step 703 whether the byte number of response message is greater than preset value.Equally, if greater than preset value, then execution in step 704, and just MODEM transmits by gprs service; Otherwise, execution in step 705, promptly MODEM is by the professional transmission of SMS.
In step 706, the MODEM of Long-distance Control server receives the response message from controlled device, and obtains ID number of controlled device, sends response message to remote control module then.In step 707 and 708, remote control module carries out authentication and deciphering to response message, carries out corresponding actions in step 709 response response message.
Fig. 8 shows the schematic diagram of another embodiment of the present invention.As can be seen from Figure 8, all increased a wired MODEM in this embodiment in Long-distance Control server and the controlled device, these wired MODEM link together by cable network, the cable network here can utilize existing wireline communication network, and cable network has plurality of advantages such as bandwidth height, channel quality number, MODEM equipment cost be low.Need to prove that here wired MODEM can be integrated in Long-distance Control server or controlled device inside as wireless modem equally, also can be electrically connected to the said equipment by interface.In addition, those skilled in the art are appreciated that also wired MODEM and wireless modem can also be integrated among the MODEM, and this MODEM both can be transmitted and receive data by wired mode, also can transmit and receive data by wireless mode.
The purpose that increases wired MODEM in tele-control system is that the event data stream amount is very big, uses wired mode to transmit by wired MODEM so and compares any wireless information mode, all can improve transmission speed and reduce transmission cost.
The control command that Fig. 9 shows behind the wired MODEM of increase issues flow chart.As shown in Figure 9, in step 901, remote control module receives the order of user by the main frame input of Control Server, encrypts in step 902 pair order then.In step 903, remote control module calculates required flow according to the size of data volume then, and judges that whether the flow value that calculates is greater than predetermined value.If the flow in this section period, shows then that the data volume that this moment, needs transmitted is a lot of greater than predetermined value, therefore select to transmit by wired mode, just execution in step 904, by wired MODEM transmission control command.In this case, at first whether successful by wired MODEM transmission in step 905 judgement, if success is then used wired MODEM transmission, otherwise shown wired MODEM fault, then forward step 907 to, transmit by wireless modem.Simultaneously,, then show data volume and little, will more save cost by wireless mode if the result that step 903 is judged shows data traffic smaller or equal to preset value, so execution in step 907, just transmit by wireless modem.
Under situation by the wireless modem transmission, at first in step 908, judge that whether command byte is greater than preset value, if greater than preset value, show that then this byte is very big, use SMS message to send and not only lose time but also need higher cost, so execution in step 911, just MODEM transmits control command by gprs service; If command byte is less than preset value, show that then this order is suitable for the professional transmission of SMS, and need not use the gprs service mode, may form the expenditure waste equally for the so little order of byte, so execution in step 909, promptly MODEM is by the professional transmission of SMS control command.
In order to guarantee the reliability of command transfer, under the situation of decision MODEM by the professional transmission of SMS, further whether successful in the transmission of step 910 judgment data, if success then use the professional transmission of SMS, otherwise forward step 911 to, just transfer to use the gprs service transmission, to guarantee that order can not lost.
After step 911, also judge whether to send successfully in step 912, if send successfully, then use the gprs service transmission, otherwise in step 917 flow process abnormal end.
No matter be by wired MODEM, still be the data of transmitting by the SMS mode or the GPRS mode of wireless modem, all can there be corresponding wired MODEM or wireless modem to receive at controlled device, execution in step 906 or 913 just, the MODEM of controlled device receives the control command from remote control module, obtain the sign (ID) number of Long-distance Control server, then control command is sent to main control module.Main control module carries out authentication and deciphering in step 914 and 915 pairs of control commands respectively, and the control command after step 916 will be deciphered is issued corresponding module then, carries out corresponding adjusting by corresponding module according to control command.
Similar with Fig. 9, Figure 10 shows the response message report flow figure under this embodiment situation.As shown in figure 10, in step 1001, collect corresponding information by the main control module in the controlled device, then in step 1002, main control module carries out framing, encryption to response message.In step 1003, main control module calculates required flow according to data volume then, and judges that whether the flow value that calculates is greater than predetermined value.If the flow in this section period, shows then that the data volume that this moment, needs transmitted is a lot of greater than predetermined value, therefore select to transmit by wired mode, just execution in step 1004, by wired MODEM transmission control command.In this case, at first whether successful by wired MODEM transmission in step 1005 judgement, if success is then used wired MODEM transmission, otherwise shown wired MODEM fault, then forward step 1007 to, transmit by wireless modem.Simultaneously,, then show data volume and little, will more save cost by wireless mode if the result that step 1003 is judged shows data traffic smaller or equal to preset value, so execution in step 1007, just transmit by wireless modem.
Under situation by the wireless modem transmission, at first in step 1008, judge that whether command byte is greater than preset value, if greater than preset value, show that then this byte is very big, use SMS message to send and not only lose time but also need higher cost, so execution in step 1011, just MODEM transmits control command by gprs service; If command byte is less than preset value, show that then this order is suitable for the professional transmission of SMS, and need not use the gprs service mode, may form the expenditure waste equally for the so little order of byte, so execution in step 1009, promptly MODEM is by the professional transmission of SMS control command.
In order to guarantee the reliability of command transfer, under the situation of decision MODEM by the professional transmission of SMS, further whether successful in the transmission of step 1010 judgment data, if success then use the professional transmission of SMS, otherwise forward step 1011 to, just transfer to use the gprs service transmission, to guarantee that order can not lost.
After step 1011, also judge whether to send successfully in step 1012, if send successfully, then use the gprs service transmission, otherwise in step 1017 flow process abnormal end.
No matter be by wired MODEM, still be the data of transmitting by the SMS mode or the GPRS mode of wireless modem, all can receive at the Long-distance Control server by corresponding wired MODEM or wireless modem, execution in step 1006 or 1013 just, the MODEM of Long-distance Control server receives the response message from the controlled device main control module, obtain the sign (ID) number of controlled device, then response message is sent to remote control module.Remote control module carries out authentication and deciphering in step 1014 and 1015 pairs of response messages respectively, then the response message that receives in step 1016 response.
Tele-control system of the present invention and long-range control method are applicable to the wireless communication system that all support two or more wireless traffic simultaneously, for example GSM, CDMA 2000, TDMA, WCDMA, TD-SCDMA or the like.MMS, the SMS that wireless information mode of the present invention can be a gsm system, GPRS and general data trafficwise also can be MMS, SMS and the data service modes that comprises cdma systems such as CDMA 2000, WCDMA, TD-SCDMA.
By two specific embodiments the present invention is introduced above.It will be understood by those skilled in the art that except these two kinds of execution modes without departing from the spirit of the invention, various implementations to be arranged.Simultaneously, the present invention is not limited to the Long-distance Control to base station and repeater, and in contrast, spirit of the present invention can be applied to any occasion that needs Long-distance Control.Therefore be appreciated that top introduction only is used to show spirit of the present invention, and be not used in restriction protection scope of the present invention.
Claims (12)
1. tele-control system, comprise Long-distance Control part and controlled device part, it is characterized in that, comprised the information receiving and transmitting device of two or more transmission of messages mode respectively integrated in Long-distance Control part and controlled device part, described information receiving and transmitting device respectively with Long-distance Control partly remote control module and the main control module of controlled device be connected.
2. tele-control system according to claim 1 is characterized in that, described transmission of messages mode is a wireless mode, and described information receiving and transmitting device is radio modem (MODEM).
3. tele-control system according to claim 2, it is characterized in that, described transmission of messages mode comprises short message (SMS) mode, general data transmission means, data packet services (GPRS) mode, Multimedia Message (MMS) mode that is applied to global digital mobile phone (GSM) system, and described wireless modem is the GSM MODEM that supports gsm system.
4. tele-control system according to claim 2, it is characterized in that, described transmission of messages mode comprises SMS mode, MMS mode and the data service mode that is applied to code division multiple access (CDMA) system, and described wireless modem is the CDMA MODEM that supports cdma system.
5. tele-control system according to claim 1 is characterized in that, described two or more transmission of messages mode comprises wireless mode and wired mode at least, and described information receiving and transmitting device is wireless modem and wired MODEM.
6. tele-control system according to claim 5 is characterized in that described wireless mode further comprises two or more wireless mode.
7. tele-control system according to claim 1 is characterized in that, described information receiving and transmitting device is integrated in the Long-distance Control server of Long-distance Control server section and the controlled device inside of controlled device part respectively.
8. long-range control method comprises at least:
A. Long-distance Control part transmitting control commands or controlled device partly send response message;
B. between Long-distance Control part and controlled device part, transmit control command or response message;
C. controlled device partly receives from the control command of Long-distance Control part and carries out the operation that comprises in the control command, and perhaps Long-distance Control partly receives from the response message of controlled device part and to described response message and carries out corresponding operating;
It is characterized in that step b further comprises:
Determine the byte number of control command or response message, and use corresponding transmission of messages mode transmission control command or response message between Long-distance Control part and controlled device part according to predefined byte number scope.
9. long-range control method according to claim 8 is characterized in that step b further comprises:
Calculating preestablishes the message traffic in the time period, and whether judges flow greater than preset value, if use wired mode transmission control command or response message between Long-distance Control part and controlled device part; Otherwise further determine the byte number of control command or response message and carry out subsequent step.
10. according to Claim 8 or 9 described long-range control methods, it is characterized in that, predefined byte number scope is two scopes among the step b, if the byte number of control command or response message in the byte number small range, uses wireless SMS trafficwise transmission; If the byte number of control command or response message in the bigger scope of byte number, uses the wireless GPRS trafficwise of gsm system or the data service mode of cdma system to transmit.
11. long-range control method according to claim 10 is characterized in that, if break down when wherein a kind of wireless traffic mode is transmitted, switches to another kind of wireless traffic mode and transmits.
12. long-range control method according to claim 9 is characterized in that, if break down when transmitting by wired mode, switches to the wireless traffic mode and transmits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137712 CN1290359C (en) | 2003-06-20 | 2003-06-20 | A remote control system and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137712 CN1290359C (en) | 2003-06-20 | 2003-06-20 | A remote control system and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1568058A true CN1568058A (en) | 2005-01-19 |
| CN1290359C CN1290359C (en) | 2006-12-13 |
Family
ID=34470510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03137712 Expired - Fee Related CN1290359C (en) | 2003-06-20 | 2003-06-20 | A remote control system and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1290359C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100433643C (en) * | 2005-06-29 | 2008-11-12 | 华为技术有限公司 | Parameter information and method for connecting identification renewal during system soft switching |
| CN101916572A (en) * | 2010-08-20 | 2010-12-15 | 深圳市同洲电子股份有限公司 | Method, device and system for play switching of multimedia resources |
| CN102077650A (en) * | 2008-06-24 | 2011-05-25 | 阿德里亚诺·豪尔赫·巴博萨·弗塔道 | Automatic system for real time data reception and transmission to central controller |
| CN102385362A (en) * | 2011-09-14 | 2012-03-21 | 无锡市星亿涂装环保设备有限公司 | Remote control method, device and system |
| CN101227746B (en) * | 2008-02-19 | 2012-07-04 | 汪健辉 | Mobile communication network-based positioning system and method |
| CN105812103A (en) * | 2014-12-30 | 2016-07-27 | 海能达通信股份有限公司 | Method and device for transfer station hot standby, and communication system |
| CN106162815A (en) * | 2015-03-30 | 2016-11-23 | 展讯通信（上海）有限公司 | Wireless cellular network and communication means thereof |
| CN109002065A (en) * | 2012-03-14 | 2018-12-14 | 东南水务公司 | Pressure blowdown control system and method |
-
2003
- 2003-06-20 CN CN 03137712 patent/CN1290359C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100433643C (en) * | 2005-06-29 | 2008-11-12 | 华为技术有限公司 | Parameter information and method for connecting identification renewal during system soft switching |
| CN101227746B (en) * | 2008-02-19 | 2012-07-04 | 汪健辉 | Mobile communication network-based positioning system and method |
| CN102077650A (en) * | 2008-06-24 | 2011-05-25 | 阿德里亚诺·豪尔赫·巴博萨·弗塔道 | Automatic system for real time data reception and transmission to central controller |
| CN101916572A (en) * | 2010-08-20 | 2010-12-15 | 深圳市同洲电子股份有限公司 | Method, device and system for play switching of multimedia resources |
| CN101916572B (en) * | 2010-08-20 | 2014-07-30 | 深圳市同洲电子股份有限公司 | Method, device and system for play switching of multimedia resources |
| CN102385362A (en) * | 2011-09-14 | 2012-03-21 | 无锡市星亿涂装环保设备有限公司 | Remote control method, device and system |
| CN109002065A (en) * | 2012-03-14 | 2018-12-14 | 东南水务公司 | Pressure blowdown control system and method |
| CN105812103A (en) * | 2014-12-30 | 2016-07-27 | 海能达通信股份有限公司 | Method and device for transfer station hot standby, and communication system |
| CN105812103B (en) * | 2014-12-30 | 2019-07-19 | 海能达通信股份有限公司 | The method, apparatus and communication system of intermediate station warm back-up |
| CN106162815A (en) * | 2015-03-30 | 2016-11-23 | 展讯通信（上海）有限公司 | Wireless cellular network and communication means thereof |
| CN106162815B (en) * | 2015-03-30 | 2019-07-12 | 展讯通信（上海）有限公司 | Wireless cellular network and its communication means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1290359C (en) | 2006-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1227838C (en) | Hybrid wireless optical and radio fequency communication link | |
| US6442372B1 (en) | Method and system for communicating with remote units in a communication system | |
| CA2232324C (en) | Scalable radio platform | |
| CN1471331A (en) | Base station system for mobile communication | |
| CN1287616C (en) | Multiple partial news communication between honeyomb equipment using standard interface | |
| CN1097992C (en) | Base station system | |
| CN1244320A (en) | Method, system and mobile communication unit for communicating over multiple channels in wireless communication system | |
| CN1249113A (en) | Mobile communication | |
| EP1691505A2 (en) | Method and system for transmitting a multimedia message | |
| BR0113894A (en) | Method and equipment for high rate data transmission in a wireless communication system | |
| RU2004131211A (en) | METHOD AND DEVICE FOR PROVIDING MULTIPLE TEMPORARY FLOWS OF DATA BLOCKS TO THE UPPER LEVEL WHEN OPERATING IN A / GB MODE OF RADIO ACCESS (GERAN) GSM / EDGE STANDARD | |
| CN1451149A (en) | Method for providing traffic information to radiotelephones | |
| CN1515100A (en) | Apparatus and method for controlling packet data transmission between BSC and BTS | |
| CN1272294A (en) | Operation and maintenance link for antenna equipment | |
| CN1290359C (en) | A remote control system and method thereof | |
| CN1625857A (en) | Providing multicast services in a point-to-multipoint manner for a radio communication system | |
| CN1421107A (en) | Cell proadcast in hybrid GSM/CDMA network | |
| CN102821072B (en) | Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data | |
| CN1720758A (en) | Adaptive control of transmission procedures | |
| CN101650872B (en) | System and method for collecting power utilization information | |
| CN1905570A (en) | Method and apparatus for indentifying multi-stage remote-wireless apparatus | |
| CN101031095A (en) | Method of mobile telecommunication system | |
| CN1719893A (en) | Portable terminal video communication picture quality improving apparatus and method thereof | |
| CN1224185C (en) | Method for avoiding interferences in cellular CDMA radio networks caused by defective mobile stations | |
| CN101969390B (en) | Wireless audio and video transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20200620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |