CN101527897A - Emergency communication method of wireless cell phone and wireless local area network and communication device - Google Patents
Emergency communication method of wireless cell phone and wireless local area network and communication device Download PDFInfo
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- CN101527897A CN101527897A CN200910132335A CN200910132335A CN101527897A CN 101527897 A CN101527897 A CN 101527897A CN 200910132335 A CN200910132335 A CN 200910132335A CN 200910132335 A CN200910132335 A CN 200910132335A CN 101527897 A CN101527897 A CN 101527897A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to an emergency communication method of a wireless cell phone and a wireless local area network and a communication device. The communication method comprises the following steps: (1) under normal condition, a communication system is in general communication mode, if the communication system detects that a general communication link fails, the communication system is switched into an emergency communication mode; if the communication system detects that the failures of the general communication link are eliminated, the communication system is switched back to the general communication mode; (2) under normal condition, the communication system is in general communication mode, if an authorized user starts the emergency communication mode, the communication system is switched into the emergency communication mode; if the authorized user closes the emergency communication mode, the communication system is switched back to the general communication mode; and (3) under normal condition, the communication system is powered by an external power supply, if the external power supply fails, the communication system is switched into a standby power supply; if the failures of the external power supply are eliminated, the communication system is switched back to the external power supply. The emergency communication method and the communication device solve the problem of communication between wireless users under emergency conditions.
Description
Technical field
The present invention relates to a kind of wireless communications method and communicator, particularly a kind of wireless emergency communication method and communicator.
Background technology
Earthquake is to one of maximum natural calamity of human security harm, and China is located between circum-Pacific seismic belt and the Eurasian earthquake zone, is one of country that seismic activity in the world is the strongest and earthquake disaster is the most serious.7%th, 20 century global continent 35% the earthquake more than 7.0 grades that China accounts for global land surface occurs in China; The dead 1,200,000 philtrum China of 20th century earthquake account for 590,000, occupy first of the various countries.According to " national protection against and mitigation of earthquake disasters planning (2006-2020) ", most of area, China's Mainland is positioned at the above zone of earthquake intensity VI degree; 50% area is positioned at the above territory, earthquake highly seismic region of VII degree, the above big city (the earthquake risk as Beijing, Xi'an, Chengdu, packet header, Tangshan is all relatively large) of million people's mouth that comprises 23 provincial capitals and 2/3, the potential threat of earthquake is huge.Along with the quickening of National urban degree, urban population sharply increases, and violent earthquake causes the risk of huge personnel and building disaster definitely should pay much attention to.
After special disaster such as earthquake takes place, ensure the emergency communication of disaster area policy-making body, guarantee that central authorities, local governments at various levels and commanding agency's running are significant to the disaster relief.Under the existence conditions, after disasters such as earthquake take place, the disaster area power failure, common fixed network is communicated by letter with wireless network and is become extremely unreliable, communication disruption such as landline telephone, mobile phone, Personal Handyphone System, the Internet are all inevitable, cause many places, especially many intensive relatively township, town and even county towns of population become " isolated island " that shuts off oneself from society, and then cause accident rescue command's door to collapse not clear with human mortality's the condition of a disaster to the isolated regional architecture thing of communicating by letter, influence carrying out of rescue work, had influence on the unified plan of government.
With Wenchuan, Sichuan on the 12nd May in 2008 8 grades of special violent earthquake disasters taking place is example, and this earthquake causes the communication disruption of overlarge area, is the communication disruption of overlarge area for the second time on old China hand's trustworthy historical record after the southern ice and snow disaster at the beginning of year 08.After disaster took place, Sichuan, Gansu domestic some areas communication were had a strong impact on, and communicated by letter and interrupt comprehensively in a plurality of severely afflicated areas at county level such as (isolated above 48 hours with external information), Wenchuan.At the disaster relief initial stage, the main channel that obtains information has only Aba state government website.Have only by indivedual marine satellite phones and Aba state government and disaster area are got in touch.Earthquake took place after many days, and the communication in many disaster areas is still interrupted.The communication issue that the 8 grades of special violent earthquake disasters in Wenchuan cause, be fail to set up can be after calamity effective emergency communication system, cause the condition of a disaster to fail in time to distinguish, disaster relief sluggishness in some areas is suffered heavy losses.Simultaneously, after the earthquake, because seismic monitoring data interruption based on wire communication, the earthquake region earthquake is surveyed shake and can't in time be transmitted or lose with the macroseism Monitoring Data, causing earthquake generation development and earthquake disaster to influence situation does not have telemetry, influences the scientific and reasonable of the quick judgement of disaster and the disaster relief.
It is directly that catastrophe such as earthquake generation back fixed network is broken off, and also is inevitable, and also can breaks off based on the up radio communication of fixed network, and reason is returned and studied carefully the problem that exists in its existing wireless communications technology that adopts:
What (1) wireless cell phone communication such as GSM, CDMA, WCDMA at present and wireless LAN communication adopted is that the wireless base station adds mode wired or that microwave is up, its data feedback channel is owing to be confined to adopt copper cable, optical cable, perhaps microwave, when major disaster takes place, copper cable, optical cable and microwave station all may wreck, any radio reception device all can't independently be finished cut-in operation in conventional system, cause communication to carry out.
(2) at present in wireless cell phone communications such as GSM, CDMA, WCDMA and wireless LAN communication, the commanding to government emergency department does not give Special Empower, major disaster or big assembly process take place in, because all ruthless pre-emptions of all users, can cause communication to block up, emergency command information and important communication can't be carried out, and the work of government maybe can't be launched by retardation.
(3) wireless cell phone communication such as GSM, CDMA, WCDMA at present or do not have back-up source, or back-up source off-capacity, the back-up source kind is limited, is not enough to deal with the powerup issue of extreme case.A kind of in the back situation, in case lose external power source, back-up source can only of short durationly be powered.Present wireless LAN communication is not more considered the back-up source problem.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, a kind of wireless cell phone and WLAN (wireless local area network) emergency communication method and communicator are provided, solved the problem that the wireless user communicates under the case of emergency.
Technical solution of the present invention is:
Wireless cell phone and WLAN (wireless local area network) emergency communication method may further comprise the steps:
(1) communication system is in the general communication pattern under the normal condition, if when communication system detects the general communication link and breaks down, then communication system is switched to the emergency communication pattern; If when communication system detects the elimination of general communication link failure, then communication system is switched back to the general communication pattern;
(2) communication system is in the general communication pattern under the normal condition, if authorized user starts the emergency communication pattern, then communication system switches to the emergency communication pattern; If authorized user is closed the emergency communication pattern, then communication system switches to the general communication pattern;
(3) communication system is powered by external power supply under the normal condition, if when communication system detects external power supply and breaks down, then communication system is switched to stand-by power supply; If when communication system detects the external power supply fault recovery, then communication system is switched back to external power supply.
Described communication system can be carried out the Special Empower management to the user, and after described communication system switched to the emergency communication pattern, communication system was preferentially to authorized user or only to authorized user open communication business.
The process that communication pattern switches in the described step (1) is: if communication system detects the general communication up link when breaking down, then with the automatic or manual satellite communication link that switches to of communication uplink, enter the emergency communication pattern; If when communication system detects the elimination of general communication uplink failure, then communication uplink is switched back to the general communication link, enters normal communication mode.
Described satellite communication link can be provided with talk times, the duration of call.
Described communication system regularly detects automatically to standby satellite communication link.Testing process is: communication system is regularly to the satellites transmits detecting information, and described detecting information returns ground via satellite, and described communication system is understood the detecting information that returns; If the detecting information that returns is consistent with the detecting information that sends, judge that then satellite communication link is normal; Otherwise, if the detecting information that returns is inconsistent with the detecting information that sends, judge that then satellite communication link breaks down, send trouble hunting information.
The process that power supply switches in the described step (3) is: if communication system detects external power supply when breaking down, then with the automatic or manual stand-by power supply that switches to of communication system; When if communication system detects the external power supply fault recovery, then with the automatic or manual external power supply that switches back to of communication system.
Described communication system is carried out the Special Empower management to the user: preestablish authorized user in database; After described communication system switches to the emergency communication pattern, only to predefined authorized user open communication business in the database or preferentially to authorized user open communication business; When described authorized user is the wireless cell phone user, by wireless cell phone user's the SIM card and the database comparison of described communication system are carried out the authorized user identities authentication, when described authorized user is wireless local network user, carries out the authorized user authentication or carry out the authorized user authentication according to MAC Address by username and password.
Wireless cell phone and WLAN (wireless local area network) emergency communication device comprise
Wireless user: be used for proposing the wireless access request to radio reception device;
Radio reception device: judge to receive the wireless access request that the wireless user proposes, control its communication by communication control module;
Communication control module: be used to detect communication link and whether break down, the switching between the control communication pattern, and the communication of control radio reception device and the communication of satellite communication equipment;
Satellite communication equipment:, be used to connect communicating by letter between radio reception device and the satellite by communication control module control;
Satellite: the destination of being responsible for connecting the wireless access request;
Energy supply control module: be used to detect external power supply and whether break down, the switching between control communication system power supply;
And stand-by power supply.
Described stand-by power supply be among storage battery, solar cell, generator, the uninterrupted power supply UPS any or appoint several combinations.
The present invention compared with prior art has following advantage:
(1) the present invention is by increasing the emergency communication pattern in communication system, make communication system comprise general communication pattern and two kinds of patterns of emergency communication pattern, communication system is in the general communication pattern under the normal condition, and communication system is in the emergency communication pattern under the case of emergency; Compare present communication system, can be under cases of emergency such as the condition of a disaster burst in time get in touch, the maintenance information opened with the external world.When the normal uplink of wireless cell phone communication and wireless LAN communication is destroyed, enable standby satellite communication link as up link, and existing wireless cell phone communication and WLAN (wireless local area network) do not possess this function.
(2) the present invention allows the interim or permanent Special Empower to the user, preferentially to authorized user or only to authorized user open communication business, when channel crowds (as big assembly) or enables satellite communication link, insertion authority user, or preferential insertion authority user, thereby ensured the communication requirement of authorized user in particular cases.And present wireless cell phone communication and WLAN (wireless local area network) do not possess this function.
(3) the present invention adopts standby satellite communication link and overlength (more than three days) stand-by power supply, can guarantee the emergency communication demand of authorized user in the long time, avoids occurring communication isolated island phenomenon.When the external power supply of wireless cell phone communication and wireless LAN communication is destroyed, automatically enable standby generating set, solar cell or storage battery etc. as power supply, and existing wireless cell phone communication and WLAN (wireless local area network) connecting system do not possess the overlength function of supplying power.
(4) the present invention can carry out timing automatic to standby satellite communication link and detects, and has ensured the unimpeded of satellite communication link under the emergency rating.
Description of drawings
Fig. 1 is the wireless cell phone and the WLAN (wireless local area network) emergency communication device schematic diagram of the embodiment of the invention;
Fig. 2 is the wireless cell phone and the WLAN (wireless local area network) emergency communication wireless access flow chart of the embodiment of the invention;
Fig. 3 is the emergency service schematic diagram of the embodiment of the invention.
Embodiment
Below with reference to accompanying drawing embodiments of the invention are described.
Wireless cell phone and WLAN (wireless local area network) emergency communication method comprise the steps:
(1) communication system is in general communication pattern (as by communications such as optical cables, copper cable, microwave) under the normal condition, if when detecting the general communication link and breaking down (as the destruction earthquake), then communication system is switched to the emergency communication pattern; If when detecting the elimination of general communication link failure, then communication system is switched back to the general communication pattern.
The fault detection method of described general communication up link is: the fault of uplink communication link comprises multiple situations such as communication information integrality, communication disruption, if communication system is found the relevant signaling in the Operation and maintenance link and the chain rupture alarm occurred, so just judge that outage has appearred in the uplink communication link, communication system is automatically switched to the emergency communication pattern or the notified on authorization user switches to the emergency communication pattern with it.After communication system judges that uplink communication link down fault is eliminated, be the general communication pattern with communication system automatic switchover or notified on authorization user manual switching.
(2) communication system regularly detects automatically to standby satellite communication link.
Communication system regularly detects automatically to standby satellite communication link: regularly to the satellites transmits detecting information, described detecting information returns ground via satellite, and described communication system is understood the detecting information that returns; If the detecting information that returns is consistent with the detecting information that sends, judge that then satellite communication link is normal; Otherwise, if the detecting information that returns is inconsistent with the detecting information that sends, judge that then satellite communication link breaks down, send trouble hunting information.
Described communication system satellite communication link database in can be provided with talk times, the duration of call.
(3) communication system is in the general communication pattern under the normal condition, if authorized user starts the emergency communication pattern, then communication system switches to the emergency communication pattern; If authorized user is closed the emergency communication pattern, then communication system switches to the general communication pattern.
Communication system is carried out the Special Empower management to the user, after described communication system switches to the emergency communication pattern, preferentially to authorized user or only to authorized user open communication business.
Described communication system is carried out the Special Empower management to the user: import authorization user information in the database of communication system in advance; Under the emergency communication pattern, communication control module is compared the communication request and the predefined authorization user information of database that receive, if belong to the communication request that authorized user sends, then ensure this user's communications demand, its concrete way to manage is similar to the pre-payment mobile phone (has telephone expenses then to serve, the then forced interruption conversation of no telephone expenses, different is the inefficacy of avoiding wired system, authorization data all is stored in the radio access station communication control module).When described authorized user is the wireless cell phone user, by wireless cell phone user's the SIM card and the database comparison of described communication system are carried out the authorized user identities authentication, when described authorized user is wireless local network user, carry out the authorized user authentication by username and password etc.
(4) communication system is powered by external power supply under the normal condition, if when detecting external power supply and breaking down, then communication system is switched to stand-by power supply; If when detecting the external power supply fault recovery, then communication system is switched back to external power supply.
Wireless cell phone and WLAN (wireless local area network) emergency communication device are as shown in Figure 1.This communicator comprises wireless user's (cell phone, radio networking device), radio reception device (antenna for base station, WiMAX WIFI antenna, cell phone system, router or other Ethernet equipment), communication control module, satellite communication equipment, satellite, energy supply control module and stand-by power supply.The wireless user is used for proposing the wireless access request to radio reception device; Radio reception device is judged the wireless access request that receives wireless user's proposition, controls its communication by communication control module; Whether communication control module is used to detect communication link and breaks down, the switching between the control communication pattern, and the communication of control radio reception device and the communication of satellite communication equipment; Satellite communication equipment is controlled by communication control module, is used to connect communicating by letter between radio reception device and the satellite; Satellite is responsible for connecting the destination or the terrestrial repetition station of wireless access request, and satellite adopts ChinaStar-1 (satellite that possesses communication function all can, as marine satellite, iridium satellite etc.) in the present embodiment; Whether energy supply control module is used to detect external power supply and breaks down, the switching between control communication system power supply; Stand-by power supply has the ultra-delay performance, can communication system that supports work more than 3 days.
Described general communication link is optical cable, copper cable or microwave communications link, and described emergency satellite communication link comprises satellite communication equipment and satellite.Satellite communication equipment adopts German ND SatCom company to produce in the present embodiment
IDU 7000 SERIES (the similar functions product of other company also can), signaling interface can adopt E1/T1 (G.703)/ISDN BRI for voice/data/PRI or Dual-Ethernet interface.
Communication control module is controlled switching of this communication system uplink communication link, energy supply control module is controlled switching of this communication system power supply, antenna for base station is responsible for inserting wireless cell phone, the WIFI antenna is responsible for inserting wireless local network user, cell phone system generally includes the base station to second generation communication system, base station controllers etc. provide the part of service for wireless cell phone, router or other Ethernet equipment provide service for wireless local network user, UPS is interchange with the storage battery dc inversion, battery monitor monitoring battery-operated state, controller for solar arrives storage battery with the power storage of solar cell output.
When communication control module detects the general communication link and breaks down, the wireless user proposes the wireless access request to radio reception device, after described radio reception device receives the wireless access request, judge whether described wireless user is authorized user, if, then radio reception device receives the wireless access request, and communication equipment connects satellite via satellite, is connected the destination of wireless access request or is transferred to the destination through the terrestrial repetition station by described satellite; If not, then radio reception device refusal wireless access request; When communication control module detects the elimination of general communication link failure, communication system is switched back to the general communication pattern.Access process as shown in Figure 2.
Communication control module regularly detects automatically to the satellite communication link that is made of satellite communication equipment and satellite: the regular trace routine of establishment in communication control module, described communication control module every day (as some every days 9) is to satellites transmits link test information, described detecting information returns ground via satellite, and described communication system is understood the detecting information that returns; If the detecting information that returns is consistent with the detecting information that sends, judge that then satellite communication link is normal; Otherwise, if the detecting information that returns is inconsistent with the detecting information that sends, judge that then satellite communication link breaks down, send trouble hunting information.
When energy supply control module detects external power supply and breaks down, communication system is switched to stand-by power supply; When energy supply control module detects the external power supply fault recovery, communication system is switched back to external power supply.
The detection method of described power failure is: energy supply control module when back-up system operate as normal (be lower than 200V, can not) when detecting external power supply and drop into to a certain degree as civil power, think that promptly external power supply breaks down, and realize the seamless automatic switchover of power supply; Energy supply control module is when detecting external power supply voltage in a period of time and be raised to a certain degree, think that promptly external power supply recovers, automatically the switchback external power supply (is similar on line type UPS, but can realize management, and can and realize manual intervention) with the central control system swap data to multiple electric source modes such as solar energy, generators.
As shown in Figure 3, the stand-by power supply of present embodiment is the combination (stand-by power supply also can be any among storage battery, solar cell, generator, the uninterrupted power supply UPS) of batteries, solar panel, generating set and uninterrupted power supply UPS.Described batteries is by the control of battery monitor device, and described solar panel is controlled by controller for solar.The STP175S-24/Ab-1 that solar panel adopts STP Utilities Electric Co. to produce, the Hipulse that UPS adopts Emerson Network Power CO., Ltd to produce.
In the practice, energy supply control module and communication control module can be separate equipment, and this equipment comprises hardware or software, also can be integrated circuit boards of wireless cell phone communication and WLAN communication device, perhaps only are one section software programs.
With the county, big small towns or be unit with certain average population (as 100,000 people), set up a wireless cell phone and a WLAN (wireless local area network) emergency communication system based on fixed network and satellite dual mode communication, this system can automatically switch into the satellite communication pattern that can independently bear cut-in operation under emergency rating, the emergency command leading member can use mobile phone rapidly channel contact is extraneous and interknit via satellite in the support area after the condition of a disaster burst, notify the condition of a disaster at once, help higher level's department's unified plan of fighting calamities and providing relief, avoid causing big communication " isolated island " (as the county town, Wenchuan after 5.12 earthquakes).The back stand-by power supply is broken off in external power supply by this system can support three days at least.
The content that is not described in detail in the specification of the present invention belongs to this area professional and technical personnel's known technology.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction, and every technical spirit according to the present invention all still belongs to protection scope of the present invention to any modification, equivalent variations and modification that above embodiment did.
Claims (10)
1, wireless cell phone and WLAN (wireless local area network) emergency communication method is characterized in that: may further comprise the steps
(1) communication system is in the general communication pattern under the normal condition, if communication system detects the general communication link and breaks down, then communication system is switched to the emergency communication pattern; If communication system detects the general communication link failure and eliminates, then communication system is switched back to the general communication pattern;
(2) communication system is in the general communication pattern under the normal condition, if authorized user starts the emergency communication pattern, then communication system switches to the emergency communication pattern; If authorized user is closed the emergency communication pattern, then communication system switches to the general communication pattern;
(3) communication system is powered by external power supply under the normal condition, if communication system detects external power supply and breaks down, then communication system is switched to stand-by power supply; If communication system detects the external power supply fault recovery, then communication system is switched back to external power supply.
2, wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication method, it is characterized in that: described communication system can be carried out the Special Empower management to the user, after described communication system switched to the emergency communication pattern, communication system was preferentially to authorized user or only to authorized user open communication business.
3, wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication method, it is characterized in that: the process that communication pattern switches in the described step (1) is: if communication system detects the general communication up link when breaking down, then, enter the emergency communication pattern with the automatic or manual satellite communication link that switches to of communication uplink; If when communication system detects the elimination of general communication uplink failure, then communication uplink is switched back to the general communication link, enters the general communication pattern.
4, wireless cell phone according to claim 3 and WLAN (wireless local area network) emergency communication method is characterized in that: described satellite communication link can be provided with talk times, the duration of call.
5, according to claim 3 or 4 described wireless cell phones and WLAN (wireless local area network) emergency communication method, it is characterized in that: described communication system regularly detects automatically to standby satellite communication link.
6, wireless cell phone according to claim 5 and WLAN (wireless local area network) emergency communication method, it is characterized in that: its testing process is: described communication system is regularly to the satellites transmits detecting information, described detecting information returns ground via satellite, and described communication system is understood the detecting information that returns; If the detecting information that returns is consistent with the detecting information that sends, judge that then satellite communication link is normal; Otherwise, if the detecting information that returns is inconsistent with the detecting information that sends, judge that then satellite communication link breaks down, send trouble hunting information.
7, wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication method, it is characterized in that: the process that power supply switches in the described step (3) is: if communication system detects external power supply when breaking down, then with the automatic or manual stand-by power supply that switches to of communication system; When if communication system detects the external power supply fault recovery, then with the automatic or manual external power supply that switches back to of communication system.
8, wireless cell phone according to claim 2 and WLAN (wireless local area network) emergency communication method is characterized in that: described communication system is carried out the Special Empower management to the user and is: preestablish authorized user in database; After described communication system switches to the emergency communication pattern, only to predefined authorized user open communication business in the database or preferentially to authorized user open communication business; When described authorized user is the wireless cell phone user, by wireless cell phone user's the SIM card and the database comparison of described communication system are carried out the authorized user identities authentication, when described authorized user is wireless local network user, carry out the authorized user authentication by username and password, perhaps carry out the authorized user authentication according to MAC Address.
9, wireless cell phone and WLAN (wireless local area network) emergency communication device is characterized in that: comprise
Wireless user: be used for proposing the wireless access request to radio reception device;
Radio reception device: judge to receive the wireless access request that the wireless user proposes, control its communication by communication control module;
Communication control module: be used to detect communication link and whether break down, the switching between the control communication pattern, and the communication of control radio reception device and the communication of satellite communication equipment;
Satellite communication equipment:, be used to connect communicating by letter between radio reception device and the satellite by communication control module control;
Satellite: the destination of being responsible for connecting the wireless access request;
Energy supply control module: be used to detect external power supply and whether break down, the switching between control communication system power supply;
And stand-by power supply.
10, wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication device is characterized in that: described stand-by power supply be among storage battery, solar cell, generator, the uninterrupted power supply UPS any or appoint several combinations.
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| CN200910132335A CN101527897A (en) | 2009-03-25 | 2009-03-25 | Emergency communication method of wireless cell phone and wireless local area network and communication device |
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| CN200910132335A CN101527897A (en) | 2009-03-25 | 2009-03-25 | Emergency communication method of wireless cell phone and wireless local area network and communication device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101965040A (en) * | 2010-10-27 | 2011-02-02 | 深圳市嘉易安安防科技有限公司 | Back end equipment, wireless communication system and method |
| CN101977074A (en) * | 2010-10-27 | 2011-02-16 | 深圳市嘉易安安防科技有限公司 | Back-end equipment as well as wireless communication system and method |
| WO2011050536A1 (en) * | 2009-10-30 | 2011-05-05 | 华为技术有限公司 | Equipment and method for telephone service broadband communication |
| CN102281155A (en) * | 2011-08-01 | 2011-12-14 | 中兴通讯股份有限公司 | PTN-based PW switching method, and system and device thereof |
| WO2014201766A1 (en) * | 2013-06-20 | 2014-12-24 | 中兴通讯股份有限公司 | Emergency communication method, mobile terminal, authentication server and wireless access point |
| CN104469828A (en) * | 2014-10-16 | 2015-03-25 | 成都思迈科技发展有限责任公司 | Quakeproof and outage-prevention system of base station |
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2009
- 2009-03-25 CN CN200910132335A patent/CN101527897A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011050536A1 (en) * | 2009-10-30 | 2011-05-05 | 华为技术有限公司 | Equipment and method for telephone service broadband communication |
| US8599811B2 (en) | 2009-10-30 | 2013-12-03 | Huawei Technologies Co., Ltd. | Broadband communication apparatus and method for implementing telephone service |
| CN101965040A (en) * | 2010-10-27 | 2011-02-02 | 深圳市嘉易安安防科技有限公司 | Back end equipment, wireless communication system and method |
| CN101977074A (en) * | 2010-10-27 | 2011-02-16 | 深圳市嘉易安安防科技有限公司 | Back-end equipment as well as wireless communication system and method |
| CN101965040B (en) * | 2010-10-27 | 2014-09-17 | 深圳市嘉易安安防科技有限公司 | Back end equipment, wireless communication system and method |
| CN102281155A (en) * | 2011-08-01 | 2011-12-14 | 中兴通讯股份有限公司 | PTN-based PW switching method, and system and device thereof |
| WO2014201766A1 (en) * | 2013-06-20 | 2014-12-24 | 中兴通讯股份有限公司 | Emergency communication method, mobile terminal, authentication server and wireless access point |
| CN104244210A (en) * | 2013-06-20 | 2014-12-24 | 中兴通讯股份有限公司 | Emergency communication method, mobile terminal, authentication server and wireless access point |
| CN104469828A (en) * | 2014-10-16 | 2015-03-25 | 成都思迈科技发展有限责任公司 | Quakeproof and outage-prevention system of base station |
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Application publication date: 20090909 |