CN104567830B - Hydrologic monitoring method for wireless communication system with frequency band allocation - Google Patents
Hydrologic monitoring method for wireless communication system with frequency band allocation Download PDFInfo
- Publication number
- CN104567830B CN104567830B CN201510031854.0A CN201510031854A CN104567830B CN 104567830 B CN104567830 B CN 104567830B CN 201510031854 A CN201510031854 A CN 201510031854A CN 104567830 B CN104567830 B CN 104567830B
- Authority
- CN
- China
- Prior art keywords
- hydrologic
- monitoring
- information
- base station
- hydrological
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 340
- 238000004891 communication Methods 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 19
- 230000003321 amplification Effects 0.000 claims description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 15
- 230000008020 evaporation Effects 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 13
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/04—Traffic adaptive resource partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for realizing hydrologic monitoring of a wireless communication system with frequency band allocation, which comprises the following steps that the wireless communication system with frequency band allocation comprises a hydrologic monitoring management platform, at least three hydrologic monitoring stations, a base station, at least two adjacent communication repeaters, and/or at least one adjacent wireless repeater and at least one mobile terminal, and can realize an optimized hydrologic information network transmission scheme according to the base station idle frequency band allocation, and provide effective hydrologic information scheduling, early warning and information publishing for all levels of government departments. The hydrologic monitoring management platform issues hydrologic monitoring, recording judgment, emergency scheduling and frequency band allocation to the hydrologic monitoring station, the base station, the communication repeater and/or the wireless repeater by formulating a hydrologic monitoring strategy, so that an optimized hydrologic information network transmission scheme is realized, and effective hydrologic information scheduling, early warning and information publishing are provided for all levels of government departments.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a wireless communication system with a frequency band allocation method for realizing hydrological monitoring.
Background
In order to deal with the influence of abnormal weather on rivers caused by the excitation of global greenhouse effect, an accurate, timely and effective river hydrological information monitoring system is provided, and the system can provide effective hydrological information monitoring for government departments at all levels, implement comprehensive hydrological information scheduling, and early warning and information publishing in advance.
Moreover, with the multi-service convergence development of the next generation full-network and full-band mobile communication network, a good communication platform is provided for the hydrologic information mobile communication solution.
Disclosure of Invention
The invention aims to provide a wireless communication system with frequency band allocation, which comprises a hydrologic monitoring management platform, a hydrologic monitoring station, a base station, a communication repeater and a wireless repeater, and can realize the optimized hydrologic information network transmission scheme according to the allocation of the idle frequency band of the base station and provide effective hydrologic information scheduling, early warning and information release for all levels of government departments.
The wireless communication system with frequency band allocation realizes the allocation of idle frequency bands of a network in such a way so as to realize hydrologic monitoring.
Firstly, a hydrologic monitoring management platform makes a hydrologic monitoring strategy, sets a monitoring safety threshold and a management mode of a hydrologic monitoring station, and sends the hydrologic monitoring station.
Preferably, the management mode includes:
an autonomous hosting mode: the hydrologic information threshold is lower than a safety region of historical synchronization data;
a platform management mode: the hydrologic information threshold is higher than a safe area of historical contemporaneous data;
a platform scheduling mode: the hydrologic information threshold is lower than an unsafe area of historical synchronization data;
early warning management mode: the hydrologic information threshold is higher than the unsafe area of the historical contemporaneous data;
the special scheduling mode is as follows: the hydrologic information threshold is higher than the unsafe region of historical contemporaneous data.
And thirdly, the hydrologic monitoring station implements hydrologic monitoring according to the monitoring strategy of the hydrologic monitoring platform.
Preferably, the water level monitoring module of the hydrological monitoring station monitors water level information on, in and downstream of the river.
Preferably, the flow monitoring module of the hydrological monitoring station monitors flow information on, in and downstream of the river.
Preferably, the silt monitoring module of the hydrological monitoring station monitors silt information on, in and downstream of the river.
Preferably, the precipitation monitoring module of the hydrological monitoring station monitors precipitation information on, in and downstream of the river.
Preferably, the evaporation monitoring module of the hydrological monitoring station monitors evaporation information on, in and downstream of the river.
And moreover, the hydrologic monitoring station implements recording and judgment of hydrologic information according to a monitoring strategy of the hydrologic monitoring platform.
Preferably, a water level monitoring module of the hydrological monitoring station records water level information in real time, and historical synchronization data are judged and calculated.
Preferably, a flow monitoring module of the hydrologic monitoring station records flow information in real time and judges and calculates historical synchronization data.
Preferably, the sediment monitoring module of the hydrological monitoring station records the sediment information in real time, and judges and calculates historical synchronization data.
Preferably, the rainfall monitoring module of the hydrological monitoring station records rainfall information in real time and judges and calculates historical synchronization data.
Preferably, an evaporation monitoring module of the hydrological monitoring station records evaporation information in real time, and historical synchronization data are judged and calculated.
And thirdly, the hydrologic monitoring station implements emergency and scheduling of hydrologic information according to a monitoring strategy of the hydrologic monitoring platform.
Preferably, the emergency strategy comprises:
general emergency procedures: starting an autonomous trusteeship mode by the hydrological monitoring station, and monitoring and reporting hydrological information of the slave machines by the hydrological monitoring station; moderate emergency procedure: the hydrologic monitoring station starts a platform management mode, and the hydrologic monitoring station monitors and reports hydrologic information;
high emergency procedure: the hydrologic monitoring station starts an early warning management mode, and the hydrologic monitoring management platform implements hydrologic information monitoring and publishing.
Preferably, the scheduling policy includes:
general scheduler: the hydrologic monitoring management platform starts a platform scheduling mode and sends a base station request to a mobile terminal to forbid access;
the special scheduling program comprises the following steps: the hydrologic monitoring management platform starts a platform scheduling and information issuing mode and sends a base station request to the mobile terminal to forbid an access request.
Thirdly, the hydrologic monitoring management platform sends a base station assigned idle frequency band allocation request; and then, the base station implements frequency band allocation of the idle frequency band according to the emergency and scheduling strategy of the hydrologic monitoring management platform.
Preferably, the base station assigns an idle frequency band to realize frequency band allocation of at least two adjacent communication repeaters;
preferably, the base station assigns an idle frequency band to implement frequency band deployment of at least one adjacent wireless repeater.
And finally, the hydrologic monitoring and management platform implements short message issuing of hydrologic information according to emergency and scheduling strategies.
Preferably, the hydrologic monitoring and management platform customizes the hydrologic information short message early warning group sending service, and realizes the release of hydrologic information to the users of 2G, 3G and 4G and the cluster system of the local network.
Preferably, the base station implements short messages for releasing hydrological information to users in areas above, in and below rivers through the communication repeater.
Preferably, the base station implements short messages for releasing hydrological information to users in areas above, in and below rivers through the wireless repeater.
Preferably, users in areas above, in and below the river can access the hydrological monitoring and management platform through the communication repeater and the base station to obtain hydrological information of relevant geographic coordinates.
Preferably, users in areas above, in and below the river can access the hydrological monitoring and management platform through the wireless repeater and the base station to obtain hydrological information of relevant geographic coordinates.
Preferably, the hydrological information further comprises hydrological types, hydrological data, synchronization ratio values, emergency levels and the like.
A wireless communication system with a frequency band allocation method for realizing hydrological monitoring is characterized in that a hydrological monitoring management platform is used for issuing hydrological monitoring management instructions through a base station, and the instructions are issued to a communication module of a communication repeater through the communication repeater so as to start a real-time monitoring strategy of a hydrological monitoring station.
Monitoring strategy mode 1: an autonomous escrow mode of the hydrological monitoring station.
And the hydrologic cycle detection is judged to be a general emergency level, and the hydrologic monitoring station starts an autonomous hosting mode.
The hydrologic monitoring management platform assigns a hydrologic monitoring station in a coverage area of a neighboring communication repeater of a base station as a host computer and another hydrologic monitoring station as a slave computer.
The base station starts sector traffic level, assigns an idle frequency band F1 as a hydrological monitoring communication frequency band, and sends a frequency band allocation instruction to the communication repeater, and then the hydrological monitoring station encrypts and modulates the detected hydrological information through the communication module, assigns the hydrological monitoring frequency band according to the base station, sends the hydrological monitoring frequency band to a retransmission antenna of the communication repeater, after the signal amplification processing of the communication repeater, the donor antenna is accessed to the base station, and then the encrypted and modulated hydrological information is sent to a donor antenna of another communication repeater through the base station, after the signal amplification processing of the communication repeater, the retransmission antenna is sent to the communication module for decryption and demodulation, and then the hydrological information is sent to the hydrological monitoring station.
The hydrologic monitoring station counts the hydrologic information of the hydrologic monitoring station according to week, month, season and year, and sends the counted hydrologic information to a retransmission antenna of the communication repeater after being encrypted and modulated by the communication module at a network idle time node assigned by the base station, and the communication repeater accesses the base station through a donor antenna after amplifying the signal, and sends the counted hydrologic information to the hydrologic monitoring management platform.
A certain mobile terminal can access to a base station through a retransmission antenna of a communication repeater after signal amplification processing by a donor antenna, and further accesses the hydrological information of the week, month, season and year of a hydrological monitoring and management platform to obtain the mobile internet application service of the hydrological information.
And the retransmission antenna and the donor antenna both adopt full-band omnidirectional antennas.
The hydrological information comprises information guide codes, geographical coordinates, hydrological types, hydrological data, synchronization ratio values, emergency levels, transmission types, equipment numbers, master-slave relations, information check codes and the like.
The hydrological data includes river hydrological data such as water level, flow, silt, precipitation, evaporation and the like.
Monitoring strategy mode 2: and a platform management mode of the hydrologic monitoring management platform.
And (4) judging the hydrologic cycle detection to be a moderate emergency level, and starting a platform management mode by the hydrologic monitoring station.
The base station starts sector traffic level, assigns an idle frequency band F1 as a hydrologic monitoring communication frequency band, and issues a frequency band allocation instruction to the wireless repeater, and then the hydrologic monitoring station allocates hydrologic monitoring frequency band according to the base station after encrypting and modulating the detected hydrologic information by the communication module, sends the hydrologic information to the retransmission antenna of the wireless repeater, and after amplifying the signal of the wireless repeater, the hydrologic information is accessed to the base station through the donor antenna, and then the hydrologic information is issued to the hydrologic monitoring management platform.
A certain mobile terminal can access to a base station through a retransmission antenna of a wireless repeater after signal amplification processing by a donor antenna, and further accesses hydrological information of days, weeks, months, seasons and years of a hydrological monitoring and management platform to obtain a mobile internet application service of the hydrological information.
Monitoring strategy mode 3: and a platform scheduling mode of the hydrologic monitoring management platform.
The hydrologic cycle detection of the hydrologic monitoring station judges that the hydrologic cycle is in a general scheduling grade, preferentially executes a platform management mode, sends an access request for forbidding a mobile terminal to a base station, and ensures the data transmission rate monitored by an idle frequency band execution platform of the base station.
Monitoring strategy mode 4: and an early warning management mode of the hydrologic monitoring management platform.
And (4) detecting and judging the hydrologic cycle to be a high emergency level, and starting an early warning management mode by the hydrologic monitoring station.
The hydrological observation station preferentially executes a platform management mode and implements early warning identification for reporting hydrological information.
The early warning identification is divided into three levels according to the historical synchronization ratio.
The hydrologic monitoring management platform customizes the hydrologic information short message early warning group sending service, and the hydrologic information short message early warning group sending service is issued to the mobile terminal through the base station and the wireless repeater and/or the communication repeater to provide hydrologic emergency prompt.
Monitoring strategy mode 5: and a special scheduling mode of the hydrologic monitoring management platform.
And the hydrologic cycle detection of the hydrologic monitoring station judges that the hydrologic cycle detection is in a special scheduling grade, preferentially executes an early warning management mode, sends an access request for forbidding a mobile terminal to the base station, and ensures the data transmission rate monitored by the idle frequency band execution platform of the base station.
The frequency band allocation step of the communication repeater is that a near-end duplexer coupling base station bears an idle frequency band allocation instruction, the idle frequency band allocation instruction is analyzed by a communication module, the idle frequency band allocation instruction is issued to a frequency shift module through an uplink integrated module of a complete machine set, the frequency shift frequency selection channel numbers of the downlink integrated module and the uplink integrated module are adjusted, further, the switching of the relay transmission frequency bands of the communication repeater and another communication repeater is realized, the wireless multi-stage full coverage of hydrological information monitoring stations in river upper, middle and lower reaches watersheds is realized, and the timely, effective and rapid transmission of hydrological monitoring to a hydrological monitoring management platform is ensured.
The frequency band allocation step of the wireless repeater is that the near-end duplexer is coupled with the base station to bear idle frequency band allocation instructions, and the idle frequency band allocation instructions are analyzed by the communication module to complete the bandwidth adjustment of the uplink band selection module and the frequency point adjustment of the downlink frequency point selector. The idle frequency band assignment instruction of the base station is sent to a communication module of the hydrological monitoring station through a near-end duplexer, a downlink low noise amplifier, a downlink frequency point selector, a downlink power amplifier, a far-end duplexer and a far-end omnidirectional antenna of the wireless repeater. And then, the hydrologic monitoring station sends the detected hydrologic information to a far-end omnidirectional antenna, a far-end duplexer, an uplink low-noise amplifier, an uplink band selection module, an uplink amplifier, a near-end duplexer and a near-end directional antenna through a communication module, transmits the detected hydrologic information to the base station, and sends the detected hydrologic information to the hydrologic monitoring management platform through the base station, so that the timely return of the long-distance hydrologic monitoring is realized, and the early warning and information issuing capability of the hydrologic monitoring platform is.
A hydrological monitoring method for wireless communication system with frequency band allocation is characterized in that hydrological information monitoring on the upstream of a river is implemented through a certain hydrological monitoring station, and real-time monitoring data are reported to an adjacent communication repeater through a data line.
Furthermore, the communication repeater issues the hydrologic information to another communication repeater through the omnidirectional antenna according to the monitoring strategy issued by the hydrologic monitoring management platform and the idle frequency band allocation instruction of the base station.
And the other hydrological monitoring station monitors hydrological information of the midstream of the river, and real-time monitoring data are reported to the adjacent communication repeater through the data line.
Furthermore, the communication repeater receives the hydrological information from the adjacent communication repeater according to the monitoring strategy issued by the hydrological monitoring management platform and the idle frequency band allocation instruction of the base station.
Furthermore, the communication repeater sends hydrological information of the upstream and midstream of the river to the hydrological monitoring and management platform through the base station through the omnidirectional antenna of the communication repeater.
Furthermore, the communication repeater implements network coverage to the adjacent mobile users through the omnidirectional antenna thereof.
Furthermore, the mobile terminal accesses the hydrological monitoring and management platform through the base station through the communication repeater.
A hydrological monitoring method for a wireless communication system with frequency band allocation is characterized in that hydrological information monitoring on the downstream of a river is implemented through a hydrological monitoring station, and real-time monitoring data are reported to an adjacent wireless repeater through a data line.
The wireless repeater issues hydrological information of the downstream of the river to the hydrological monitoring and management platform through the base station through the directional antenna according to the monitoring strategy issued by the hydrological monitoring and management platform and the idle frequency band allocation instruction of the base station.
Furthermore, the wireless repeater implements network coverage to the adjacent mobile users through the omnidirectional antenna of the wireless repeater.
Furthermore, the mobile terminal accesses the hydrological monitoring and management platform through the base station through the wireless repeater.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto.
The wireless communication system with the frequency band allocation method for realizing the hydrological monitoring has an optimized network, realizes hydrological information monitoring, early warning and information publishing, shows and improves the hydrological information utilization of river areas, can quickly publish river hydrological information carried by severe meteorology, and helps people to effectively utilize the hydrological information.
Drawings
Fig. 1 is a flow chart of hydrological monitoring according to an embodiment of the present invention.
Fig. 2 is a structural view of embodiment 1 of the present invention.
Fig. 3 is a structural view of embodiment 2 of the present invention.
Fig. 4 is a structural diagram of a communication repeater in embodiment 1 of the present invention.
Fig. 5 is a structural diagram of a wireless repeater in embodiment 2 of the present invention.
Fig. 6 is a schematic view of a scene application according to embodiment 3 of the present invention.
Detailed Description
To further clarify the objects, aspects and advantages of the embodiments of the present invention, there will be described hereinafter in the following brief description of the embodiments or drawings that are required in the prior art, it being understood that the described embodiments are a part of the embodiments of the present invention and are not intended to be a full description of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flow chart of hydrological monitoring according to an embodiment of the present invention.
As shown in fig. 1, policy issuing S11:
the hydrologic monitoring management platform is used for setting a monitoring safety threshold and a management mode of a hydrologic monitoring station;
an autonomous hosting mode: the hydrologic information threshold is lower than a safety region of historical synchronization data;
a platform management mode: the hydrologic information threshold is higher than a safe area of historical contemporaneous data;
a platform scheduling mode: the hydrologic information threshold is lower than an unsafe area of historical synchronization data;
early warning management mode: the hydrologic information threshold is higher than the unsafe area of the historical contemporaneous data;
the special scheduling mode is as follows: the hydrologic information threshold is higher than the unsafe region of historical contemporaneous data.
As shown in fig. 1, policy issuing S11:
and the hydrologic monitoring management platform sends a base station assigned idle frequency band allocation request.
As shown in fig. 1, hydrologic monitoring S12:
the water level monitoring module monitors water level information of the upper, middle and lower streams of the river;
the flow monitoring module monitors flow information of the upper, middle and lower streams of the river;
the silt monitoring module monitors silt information on the upper, middle and lower streams of a river;
the rainfall monitoring module monitors rainfall information on the upper stream, the middle stream and the lower stream of the river;
the evaporation monitoring module monitors evaporation information on the upper, middle and lower streams of the river.
As shown in fig. 1, recording and determining S13:
the water level monitoring module records water level information in real time, and judges and calculates historical synchronization data;
the flow monitoring module records flow information in real time, and judges and calculates historical synchronization data;
the silt monitoring module records silt information in real time, and judges and calculates historical synchronization data;
the rainfall monitoring module records rainfall information in real time, and judges and calculates historical synchronization data;
the evaporation monitoring module records evaporation information in real time, and judges and calculates historical synchronization data.
As shown in fig. 1, emergency and dispatch S14:
general emergency procedures: starting an autonomous trusteeship mode by the hydrological monitoring station, and monitoring and reporting hydrological information of the slave machines by the hydrological monitoring station; moderate emergency procedure: the hydrologic monitoring station starts a platform management mode, and the hydrologic monitoring station monitors and reports hydrologic information;
high emergency procedure: the hydrologic monitoring station starts an early warning management mode, and the hydrologic monitoring management platform implements hydrologic information monitoring and publishing.
As shown in fig. 1, emergency and dispatch S14:
general scheduler: the hydrologic monitoring management platform starts a platform scheduling mode and sends a base station request to a mobile terminal to forbid access;
the special scheduling program comprises the following steps: the hydrologic monitoring management platform starts a platform scheduling and information issuing mode and sends a base station request to the mobile terminal to forbid an access request.
As shown in fig. 1, the frequency band allocation S15:
the base station assigns idle frequency bands to realize frequency band allocation of the adjacent communication repeater;
the base station assigns idle frequency bands to realize frequency band allocation of the adjacent wireless repeater.
As shown in fig. 1, information distribution S16:
the hydrologic monitoring management platform customizes hydrologic information short message early warning group sending service;
the base station implements short message publishing of hydrological information through the communication repeater;
the base station implements short message publishing of hydrological information through the wireless repeater.
Fig. 2 is a structural diagram of embodiment 1 of the present invention, and as shown in fig. 2, the hydrologic monitoring management platform 11 issues a hydrologic monitoring management command through the base station 12, and issues the command to the communication modules 31 and 32 through the communication repeaters 41 and 42, so as to start the real-time monitoring strategies of the hydrologic monitoring stations 21 and 22.
Monitoring strategy mode 1: autonomous hosting mode of the hydrological monitoring stations 21 and 22.
The hydrologic cycle detection is judged as a general emergency level, and the hydrologic monitoring stations 21 and 22 start an autonomous hosting mode.
The hydrological monitoring management platform 11 assigns the hydrological monitoring station 22 in the coverage area to which the adjacent communication repeater 42 of the base station 12 belongs as a hosting host, and assigns the other hydrological monitoring station 21 as a hosted slave.
The base station 12 starts the sector traffic level, assigns an idle frequency band F1 as the hydrological monitoring communication frequency band, and issues the frequency band allocation command to the communication repeater 41 and 42, and further, the hydrological monitoring station 21 encrypts and modulates the detected hydrological information through the communication module 31, assigns the hydrological monitoring frequency band according to the base station, sends the hydrological monitoring frequency band to the retransmission antenna 51 of the communication repeater 41, after the signal amplification processing of the communication repeater 41, the donor antenna 52 is accessed to the base station 12, then the base station 12 sends the encrypted and modulated hydrological information to the donor antenna 53 of the communication repeater 42, after the signal amplification processing of the communication repeater 42, the retransmission antenna 54 is sent to the communication module 32 for decryption and demodulation, and then issues the hydrological information to the hydrological monitoring station 22.
The hydrologic monitoring station 22 counts the hydrologic information of the hydrologic monitoring stations 21 and 22 according to week, month, season and year, and at a network idle time node assigned by the base station 12, the counted hydrologic information is encrypted and modulated by the communication module 32, then is sent to the retransmission antenna 54 of the communication repeater 42, is subjected to signal amplification processing by the communication repeater 42, is accessed to the base station 12 through the donor antenna 53, and then is sent to the hydrologic monitoring management platform 11.
The mobile terminal 13 can access to the base station 12 through the repeater 41 and/or the repeater antennas 51 and 53 of the repeater 42 after signal amplification processing, and then through the repeater 41 and/or the donor antennas 52 and 54 of the repeater 42, and further access to the week, month, season and year hydrologic information of the hydrologic monitoring and management platform 11, and obtain the mobile internet application service of the hydrologic information.
The retransmission antennas 51 and 53 each employ an omni-directional antenna of the full frequency band.
Donor antennas 52 and 54 each employ a full band omni-directional antenna.
The hydrological information comprises information guide codes, geographical coordinates, hydrological types, hydrological data, synchronization ratio values, emergency levels, transmission types, equipment numbers, master-slave relations, information check codes and the like.
The hydrological data includes river hydrological data such as water level, flow, silt, precipitation, evaporation and the like.
Fig. 3 is a structural diagram of embodiment 2 of the present invention, and as shown in fig. 3, the hydrologic monitoring management platform 11 issues a hydrologic monitoring management instruction through the base station 12, issues the hydrologic monitoring management instruction to the communication module 31 through the wireless repeater 43, and starts a real-time monitoring policy of the hydrologic monitoring station 21.
Monitoring strategy mode 2: platform management mode of the hydrological monitoring and management platform 11.
The hydrologic cycle detection is judged to be in a moderate emergency level, and the hydrologic monitoring station 21 starts a platform management mode.
The base station 12 starts the sector traffic level, assigns an idle frequency band F1 as a hydrologic monitoring communication frequency band, and issues a frequency band allocation instruction to the wireless repeater 43, and further, the hydrologic monitoring station 21 allocates the hydrologic monitoring frequency band to the base station after the detected hydrologic information is encrypted and modulated by the communication module 31, and sends the hydrologic monitoring frequency band to the retransmission antenna 55 of the wireless repeater 43, and the wireless repeater 43 amplifies the signal, accesses the base station 12 through the donor antenna 56, and issues the hydrologic information to the hydrologic monitoring management platform 11.
The mobile terminal 13 can access to the base station 12 through the retransmission antenna 55 of the wireless repeater 43 after signal amplification processing and the donor antenna 56 of the wireless repeater 43, and further access to the hydrological information of day, week, month, season and year of the hydrological monitoring and management platform 11, and obtain the mobile internet application service of the hydrological information.
Monitoring strategy mode 3: platform dispatch mode of the hydrological monitoring and management platform 11.
As shown in fig. 3, the hydrologic monitoring management platform 11 issues a hydrologic monitoring general scheduling command through the base station 12, issues the command to the communication module 31 through the wireless repeater 43, and starts the platform scheduling mode of the hydrologic monitoring station 21.
The hydrologic cycle detection of the hydrologic monitoring station 21 judges that the hydrologic cycle is a general scheduling class, preferentially executes the platform management mode, sends an access request for forbidding the mobile terminal 13 to the base station 12, and ensures the data transmission rate of the base station idle frequency band execution platform monitoring.
Fig. 3 is a structural diagram of embodiment 2 of the present invention, and as shown in fig. 3, the hydrologic monitoring management platform 11 issues a hydrologic monitoring management instruction through the base station 12, issues the hydrologic monitoring management instruction to the communication module 31 through the wireless repeater 43, and starts a real-time monitoring policy of the hydrologic monitoring station 21.
Monitoring strategy mode 4: and an early warning management mode of the hydrologic monitoring management platform 11.
And the hydrologic cycle detection judges that the hydrologic cycle is a high emergency level, and the hydrologic monitoring station 21 starts an early warning management mode.
The hydrological measurement station 21 preferentially executes the platform management mode and implements the early warning identification of the reported hydrological information.
The early warning identification is divided into three levels according to the historical synchronization ratio.
The hydrologic monitoring management platform 11 customizes the hydrologic information short message early warning group sending service, and sends the service to the mobile terminal 13 through the base station 12 via the wireless repeater 43 and/or the communication repeater 41 and/or the communication repeater 42 to provide a hydrologic emergency prompt.
The mobile terminal 13 can access to the base station 12 through the retransmission antenna 55 of the wireless repeater 43 after signal amplification processing and the donor antenna 56 thereof, and further access to the hydrological information of time, day, week, month, season and year of the hydrological monitoring and management platform 11, and obtain the mobile internet application service of the hydrological information.
Monitoring strategy mode 5: the hydrologic monitoring management platform 11 is in a special scheduling mode.
As shown in fig. 3, the hydrologic monitoring management platform 11 issues a hydrologic monitoring special scheduling instruction through the base station 12, issues the hydrologic monitoring special scheduling instruction to the communication module 31 through the wireless repeater 43, and starts a special scheduling mode of the hydrologic monitoring station 21.
The hydrologic cycle detection of the hydrologic monitoring station 21 judges that the scheduling level is special, preferentially executes the early warning management mode, sends an access request for forbidding the mobile terminal 13 to the base station 12, and ensures the data transmission rate monitored by the idle frequency band execution platform of the base station.
Fig. 4 is a structural diagram of a communication repeater in embodiment 1 of the present invention.
As shown in fig. 4, the near-end omni-directional antenna 65 receives a relay transmission signal of another communication repeater, or receives an idle frequency band allocation command of the base station 12, or sends the idle frequency band allocation command to the base station 12 to carry hydrologic information.
The far-end omnidirectional antenna 68 transmits a relay transmission signal to another communication repeater, or receives a service request from the mobile terminal 13, or receives hydrologic information of the communication module 31 of the hydrologic detection station 21.
The complete machine kit 66 is provided with an independent power supply module 69 for providing power supplies of wind energy, solar energy, commercial power and the like for the communication repeater.
The frequency band allocation step of the communication repeater is that a near-end duplexer 61 is coupled with a base station to bear an idle frequency band allocation instruction, the idle frequency band allocation instruction is analyzed by a communication module 33, the idle frequency band allocation instruction is issued to a frequency shift module 63 through an uplink integrated module 62 of a complete machine kit 66, frequency shift frequency selection channel numbers of a downlink integrated module 64 and the uplink integrated module 62 are adjusted, further, the switching of relay transmission frequency bands of the communication repeater 41 and 42 is realized, the wireless multi-stage full coverage of hydrological information monitoring stations in river upper, middle and lower reaches watershed is realized, and the timely, effective and fast transmission of hydrological monitoring to a hydrological monitoring management platform 11 is ensured.
Fig. 5 is a structural diagram of a wireless repeater in embodiment 2 of the present invention.
As shown in fig. 5, the near-end directional antenna 81 receives the idle frequency band allocation command of the base station 12, or sends the idle frequency band allocation command to the base station 12 to carry the hydrologic information.
The far-end omnidirectional antenna 84 receives a service request from the mobile terminal 13, or receives hydrologic information of the communication module 31 of the hydrologic detection station 21.
The frequency band allocation step of the wireless repeater is to couple the base station through the near-end duplexer 82 to bear the idle frequency band allocation command, and the idle frequency band allocation command is analyzed by the communication module 34 to complete the bandwidth adjustment of the uplink band selection module 75 and the frequency point adjustment of the downlink frequency point selector 75. As shown in fig. 5, the assigned idle band of the receiving base station 12 is sent to the communication module 31 of the hydrologic monitoring station 21 through the near-end duplexer 82, the downlink low noise amplifier 71, the downlink frequency point selector 72, the downlink power amplifier 73, the far-end duplexer 83, and the far-end omnidirectional antenna 84. Then, the hydrologic monitoring station 21 sends the detected hydrologic information to the far-end omnidirectional antenna 84, the far-end duplexer 83, the uplink low-noise amplifier 74, the uplink band selection module 75, the uplink amplifier 76, the near-end duplexer 82 and the near-end directional antenna 81 through the communication module 31, transmits the detected hydrologic information to the base station 12, and transmits the detected hydrologic information to the hydrologic monitoring management platform 11 through the base station 12, so that the long-distance hydrologic monitoring can be timely transmitted back, and the early warning and information issuing capabilities of the hydrologic monitoring platform are improved.
Fig. 6 is a schematic view of a scene application in embodiment 3 of the present invention, as shown in fig. 6, a hydrological monitoring station 21 monitors hydrological information at an upstream of a river, and real-time monitoring data is reported to an adjacent communication repeater 41 through a data line; the adjacent communication repeater 41 issues the hydrologic information to the adjacent communication repeater 42 through the omnidirectional antenna according to the monitoring strategy issued by the hydrologic monitoring management platform 11 and the idle frequency band allocation instruction of the base station 12.
As shown in fig. 6, the hydrological monitoring station 22 monitors hydrological information in midstream of a river, and real-time monitoring data is reported to the adjacent communication repeater 42 through a data line; the adjacent communication repeater 42 receives the hydrological information from the adjacent communication repeater 41 according to the monitoring strategy issued by the hydrological monitoring management platform 11 and the idle frequency band allocation instruction of the base station 12; the adjacent communication repeater 42 transmits hydrological information of the river upstream and midstream to the hydrological monitoring and management platform 11 through the base station 12 by the omnidirectional antenna.
As shown in fig. 6, the proximity repeater 42 implements network coverage for the neighboring mobile subscriber 13 through its omni-directional antenna, and the mobile terminal 13 accesses the hydrological monitoring and management platform 11 through the base station 12 through the repeater 41.
As shown in fig. 6, the hydrological monitoring station 22 monitors hydrological information at the downstream of the river, and real-time monitoring data is reported to the adjacent wireless repeater 43 through a data line; the neighboring wireless repeater 43 issues the hydrological information of the river downstream to the hydrological monitoring and management platform 11 through the base station 12 by the directional antenna thereof according to the monitoring strategy issued by the hydrological monitoring and management platform 11 and the idle frequency band allocation instruction of the base station 12.
As shown in fig. 6, the neighboring wireless repeater 43 implements network coverage for the neighboring mobile subscriber 13 through its omni-directional antenna, and the mobile terminal 13 accesses the hydrological monitoring and management platform 11 through the wireless repeater 43 via the base station 12.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. A method for realizing hydrologic monitoring in a wireless communication system with frequency band allocation is characterized by comprising the following steps: firstly, a hydrologic monitoring management platform makes a hydrologic monitoring strategy, sets a monitoring safety threshold and a management mode of a hydrologic monitoring station, and sends the hydrologic monitoring station down;
furthermore, hydrologic monitoring station implements hydrologic monitoring according to hydrologic monitoring platform's monitoring strategy:
monitoring water level information of the upper, middle and lower streams of a river by a water level monitoring module of the hydrological monitoring station; or,
monitoring the flow information of the upper, middle and lower streams of the river by a flow monitoring module of the hydrological monitoring station; or,
monitoring silt information on the upper stream, the middle stream and the lower stream of a river by a silt monitoring module of a hydrological monitoring station; or,
monitoring rainfall information of the upstream, middle and downstream of the river by a rainfall monitoring module of the hydrological monitoring station; or,
monitoring the evaporation information of the upper, middle and lower streams of the river by an evaporation monitoring module of the hydrological monitoring station;
furthermore, the hydrology monitoring station implements the record and the judgement of hydrology information according to the monitoring strategy of hydrology monitoring platform:
recording water level information in real time by a water level monitoring module of the hydrological monitoring station, and judging and calculating historical synchronization data; or,
recording flow information in real time by a flow monitoring module of the hydrological monitoring station, and judging and calculating historical synchronization data; or,
recording the sediment information in real time by a sediment monitoring module of the hydrological monitoring station, and judging and calculating historical synchronization data; or,
a rainfall monitoring module of the hydrological monitoring station records rainfall information in real time, and historical synchronization data are judged and calculated; or,
an evaporation monitoring module of the hydrological monitoring station records evaporation information in real time, and historical synchronization data are judged and calculated;
thirdly, the hydrologic monitoring station implements emergency and scheduling of hydrologic information according to a monitoring strategy of the hydrologic monitoring platform;
thirdly, the hydrologic monitoring management platform sends a base station assigned idle frequency band allocation request; further, it is possible to prevent the occurrence of,
the base station implements frequency band allocation of an idle frequency band according to emergency and scheduling strategies of the hydrologic monitoring management platform; further, it is possible to prevent the occurrence of,
the base station assigns idle frequency bands to realize frequency band allocation of at least two adjacent communication repeaters; and/or the presence of a gas in the gas,
the base station assigns an idle frequency band to realize the frequency band allocation of at least one adjacent wireless repeater;
finally, the hydrologic monitoring management platform implements short message issuing of hydrologic information according to emergency and scheduling strategies; further, it is possible to prevent the occurrence of,
the hydrologic monitoring management platform customizes hydrologic information short message early warning group sending service; further, it is possible to prevent the occurrence of,
the base station implements short message publishing of hydrological information through the communication repeater; and/or the presence of a gas in the gas,
and the base station implements short message publishing of the hydrological information through the wireless repeater.
2. The method of claim 1,
the hydrologic monitoring strategy comprises an emergency strategy and a scheduling strategy;
the emergency strategy comprises the following steps:
general emergency procedures: the hydrologic monitoring station starts a main self-supporting mode, and monitors and reports hydrologic information of slave machines; moderate emergency procedure: the hydrologic monitoring station starts a platform management mode, and the hydrologic monitoring station monitors and reports hydrologic information;
high emergency procedure: the hydrologic monitoring station starts an early warning management mode, and the hydrologic monitoring management platform implements hydrologic information monitoring and issuing the scheduling strategy comprises:
general scheduler: the hydrologic monitoring management platform starts a platform scheduling mode and sends a base station request to a mobile terminal to forbid access;
the special scheduling program comprises the following steps: the hydrologic monitoring management platform starts a platform scheduling and information issuing mode and sends a base station request to a mobile terminal to forbid an access request;
the management mode comprises the following steps:
master-self-hosting mode: the hydrologic information threshold is lower than a safety region of historical synchronization data;
a platform management mode: the hydrologic information threshold is higher than a safe area of historical contemporaneous data;
a platform scheduling mode: the hydrologic information threshold is lower than an unsafe area of historical synchronization data;
early warning management mode: the hydrologic information threshold is higher than the unsafe area of the historical contemporaneous data;
the special scheduling mode is as follows: the hydrologic information threshold is higher than the unsafe region of historical contemporaneous data.
3. The method of claim 2, wherein the master self-hosting mode comprises:
the hydrologic cycle detection of the hydrologic monitoring station is judged to be a general emergency level, and the hydrologic monitoring station starts an autonomous hosting mode;
the hydrologic monitoring management platform assigns a second hydrologic monitoring station in a coverage area where a second adjacent communication repeater of the base station belongs to as a hosting host and assigns a first hydrologic monitoring station as a hosted slave;
the base station starts sector telephone traffic level, assigns an idle frequency band F1 as a hydrologic monitoring communication frequency band, and issues a frequency band allocation instruction to the first communication repeater and the second communication repeater, further, the first hydrologic monitoring station encrypts and modulates the detected hydrologic information through the first communication module, assigns hydrologic monitoring frequency bands according to the base station, sends the hydrologic monitoring frequency bands to the retransmission antenna of the first communication repeater, accesses the donor antenna to the base station after the signal amplification of the first communication repeater, sends the encrypted and modulated hydrologic information to the donor antenna of the second communication repeater through the base station, sends the hydrologic information to the second communication module for decryption and demodulation after the signal amplification of the second communication repeater, and then issues the hydrologic information to the second hydrologic monitoring station;
the second hydrologic monitoring station counts the hydrologic information of the first hydrologic monitoring station and the second hydrologic monitoring station according to week, month, season and year, and at a network idle time node assigned by the base station, the counted hydrologic information is encrypted and modulated by the second communication module, then is sent to a retransmission antenna of the second communication repeater, is accessed to the base station through a donor antenna after being amplified by a signal of the second communication repeater, and then is sent to the hydrologic monitoring management platform;
the mobile terminal can access to the base station through the retransmission antennas of the first communication repeater and the second communication repeater after signal amplification processing, and then access to the hydrological information of the week, month, season and year of the hydrological monitoring and management platform to obtain the mobile internet application service of the hydrological information.
4. The method of claim 2, wherein the platform management mode comprises:
the hydrologic cycle detection of the hydrologic monitoring station is judged to be a moderate emergency level, and the hydrologic monitoring station starts a platform management mode;
the method comprises the steps that a base station starts a sector telephone traffic level, assigns an idle frequency band F1 as a hydrologic monitoring communication frequency band, and issues a frequency band allocation instruction to a wireless repeater, and further, the hydrologic monitoring station allocates the hydrologic monitoring frequency band according to the base station after encrypting and modulating detected hydrologic information by a communication module, sends the hydrologic information to a retransmission antenna of the wireless repeater, accesses the base station through a donor antenna after amplifying the signal of the wireless repeater, and issues the hydrologic information to a hydrologic monitoring management platform;
the mobile terminal can access the base station through the retransmission antenna of the wireless repeater after signal amplification processing, and then accesses the hydrological information of the date, week, month, season and year of the hydrological monitoring and management platform to obtain the mobile internet application service of the hydrological information.
5. The method of claim 2, wherein the platform scheduling pattern comprises:
the hydrologic monitoring management platform issues a hydrologic monitoring general scheduling instruction through the base station, issues the general scheduling instruction to a communication module through a wireless repeater and starts a platform scheduling mode of an adjacent hydrologic monitoring station;
and the hydrologic cycle detection of the hydrologic monitoring station judges that the hydrologic cycle detection is in a general scheduling grade, the platform management mode is preferentially executed, and then, an access request for forbidding the mobile terminal is sent to the base station, so that the data transmission rate of the base station idle frequency band execution platform monitoring is ensured.
6. The method of claim 2, wherein the alert management mode comprises:
hydrologic cycle detection of a hydrologic monitoring station is judged to be a high emergency level, and the hydrologic monitoring station starts an early warning management mode;
the hydrological measurement station preferentially executes the platform management mode, and then implements early warning identification for reporting hydrological information;
the early warning identification is divided into three levels according to the historical synchronization ratio;
the hydrologic monitoring management platform is used for customizing hydrologic information short message early warning group sending service, issuing the hydrologic information short message early warning group sending service to the mobile terminal through the base station and the wireless repeater to provide hydrologic emergency prompt;
the mobile terminal can access the base station through the retransmission antenna of the wireless repeater after signal amplification processing, and then access the hydrological information of time, day, week, month, season and year of the hydrological monitoring and management platform to obtain the mobile internet application service of the hydrological information.
7. The method of claim 2, wherein the special scheduling mode comprises:
the hydrologic monitoring management platform issues a hydrologic monitoring special scheduling instruction through the base station, issues the instruction to a communication module through any wireless repeater and starts a special scheduling mode of an adjacent hydrologic monitoring station;
and the hydrologic cycle detection of the hydrologic monitoring station judges that the hydrologic cycle detection is a special scheduling grade, the early warning management mode is preferentially executed, and then, an access request for forbidding a mobile terminal is sent to the base station, so that the data transmission rate monitored by the base station idle frequency band execution platform is ensured.
8. The method as claimed in any one of claims 1-7, wherein the frequency band allocation of the communication repeater is performed by using a near-end duplexer coupled to a base station to carry an idle frequency band allocation command, which is analyzed by a communication module, and then sent to a frequency shift module via an uplink integrated module of a complete set, so as to adjust the frequency shift and frequency selection channel numbers of the downlink integrated module and the uplink integrated module, thereby realizing the switching of the relay transmission frequency bands of the communication repeater and another communication repeater, realizing the wireless multi-stage full coverage of the hydrological information monitoring station in the river upper, middle and lower reaches, and ensuring the timely, effective and fast transmission of hydrological monitoring to the hydrological monitoring management platform.
9. The method according to any one of claims 1-7, wherein the frequency band allocation of the wireless repeater is performed by coupling a base station with a near-end duplexer to carry an idle frequency band allocation command, analyzing the idle frequency band allocation command by a communication module, and completing the bandwidth adjustment of an uplink band selection module and the frequency point adjustment of a downlink frequency point selector, wherein the idle frequency band command of the base station is transmitted to the communication module of the hydrological monitoring station through the near-end duplexer of the wireless repeater, a downlink low noise amplifier, the downlink frequency point selector, a downlink power amplifier, a far-end duplexer, a far-end omnidirectional antenna; and then, the hydrologic monitoring station sends the detected hydrologic information to a far-end omnidirectional antenna, a far-end duplexer, an uplink low-noise amplifier, an uplink band selection module, an uplink amplifier, a near-end duplexer and a near-end directional antenna through a communication module, transmits the detected hydrologic information to the base station, and sends the detected hydrologic information to the hydrologic monitoring management platform through the base station, so that the timely return of the long-distance hydrologic monitoring is realized, and the early warning and information issuing capability of the hydrologic monitoring platform is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031854.0A CN104567830B (en) | 2015-01-22 | 2015-01-22 | Hydrologic monitoring method for wireless communication system with frequency band allocation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031854.0A CN104567830B (en) | 2015-01-22 | 2015-01-22 | Hydrologic monitoring method for wireless communication system with frequency band allocation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104567830A CN104567830A (en) | 2015-04-29 |
| CN104567830B true CN104567830B (en) | 2017-08-29 |
Family
ID=53084449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031854.0A Active CN104567830B (en) | 2015-01-22 | 2015-01-22 | Hydrologic monitoring method for wireless communication system with frequency band allocation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104567830B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106657369A (en) * | 2016-12-29 | 2017-05-10 | 上海月阳信息科技有限公司 | Water conservancy monitoring system based on Internet of Things |
| CN112486656B (en) * | 2020-12-10 | 2022-12-16 | 上海创远仪器技术股份有限公司 | Method for realizing wireless ionization wire task scheduling and data downloading |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860870A (en) * | 2010-05-26 | 2010-10-13 | 北京邮电大学 | Frequency planning method and system for cellular communication system for fixed relays |
| CN103841100A (en) * | 2014-02-18 | 2014-06-04 | 河海大学 | System for having access to flood-prevention early warning service based on Android tablet terminal and construction method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237369A (en) * | 2008-03-05 | 2008-08-06 | 中科院嘉兴中心微系统所分中心 | A wireless sensor network system for monitoring riverbank security based on obliquity sensor |
| CN102547721B (en) * | 2009-08-25 | 2015-09-30 | 华为技术有限公司 | The method of share spectrum resources, equipment and system |
| CN101713652A (en) * | 2009-11-05 | 2010-05-26 | 河海大学 | Intelligent multi-sensor system and working method thereof |
| CN102540988A (en) * | 2010-12-17 | 2012-07-04 | 中科怡海高新技术发展江苏股份公司 | Intelligent monitoring equipment for water environment |
| CN103021137B (en) * | 2012-12-04 | 2015-03-18 | 中铁二十一局集团有限公司 | Surface displacement method high slope stability remote three-dimensional digital warning method and system |
-
2015
- 2015-01-22 CN CN201510031854.0A patent/CN104567830B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860870A (en) * | 2010-05-26 | 2010-10-13 | 北京邮电大学 | Frequency planning method and system for cellular communication system for fixed relays |
| CN103841100A (en) * | 2014-02-18 | 2014-06-04 | 河海大学 | System for having access to flood-prevention early warning service based on Android tablet terminal and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104567830A (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lyu et al. | Characterizing urban vehicle-to-vehicle communications for reliable safety applications | |
| ES2877227T3 (en) | Selection of uplink transmission parameters for transmission and retransmission of initial random access messages | |
| Gaddam et al. | A comparative study on various LPWAN and cellular communication technologies for IoT based smart applications | |
| WO2009022752A1 (en) | Radio communication system and method | |
| CN104567830B (en) | Hydrologic monitoring method for wireless communication system with frequency band allocation | |
| Porte et al. | Heterogeneous wireless IoT architecture for natural disaster monitorization | |
| Shaikh et al. | On the performance of dual RIS-assisted V2I communication under Nakagami-m fading | |
| EP3531754B1 (en) | Communication control device, communication control method, and computer program | |
| CN105338547B (en) | Pci signal optimization method and system in LTE network based on antenna power | |
| Vitadhani et al. | Simulating LoRaWAN for flood early warning system in ciliwung river, bogor-Jakarta | |
| CN102014429A (en) | Method for fast positioning of mobile terminal in cellular network | |
| CN108010275A (en) | A kind of mountain flood and geological disaster monitoring and warning is registered one's residence to people's feedback response system | |
| Hochgraf et al. | Providing first responders with real-time status of cellular networks during a disaster | |
| Amirshahi et al. | Radio frequency interference monitoring system for weather satellite ground stations: Challenges and opportunities | |
| CN204405067U (en) | A kind of wireless communication system with frequency range allotment | |
| CN103578230A (en) | Landslide and debris flow alarm method based on Internet of Things | |
| WO2013125240A1 (en) | Communication system | |
| Hendrawan et al. | Long Range (LoRa) Network Planning Analysis at 920-923 MHz Frequency for Region Palabuhanratu | |
| Nashiruddin et al. | Long Range Wide Area Network Deployment for Smart Metering Infrastructure in Urban Area: Case Study of Bandung City | |
| KR101779050B1 (en) | Apparatus and method for repeater control | |
| Kouh Daragh | A heterogeneous communications network for smart grid by using the cost functions | |
| Sangrit et al. | Experiments on LoRa Communication Used in a Relay Station Network for Disaster Management | |
| JP2006302183A (en) | Disaster prevention information distribution method and disaster prevention information distribution system using position information | |
| EP2689600A1 (en) | A system and method of monitoring, management and control of licensing and permits of cellular providers' networks | |
| CN202949421U (en) | Digital enclave remote-distance covering 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 362005 Fujian high tech park, Quanzhou, China (3-G-L-) () Patentee after: Fujian Mai Wei communication Polytron Technologies Inc Address before: 362005 Fujian high tech park, Quanzhou, China (3-G-L-) () Patentee before: MAIWEI COMMUNICATION TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 362005 high tech park, Qingmeng science and Technology Industrial Park, Quanzhou, Fujian, 3-G-L- (1) Patentee after: Fujian Mai Wei communication Polytron Technologies Inc Address before: Quanzhou Qingmeng science and Technology Industrial Park hi tech park 3-G-L- (1) Patentee before: MAIWEI COMMUNICATION TECHNOLOGY CO., LTD. |