CN115226115A - Building communication system and method - Google Patents
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- CN115226115A CN115226115A CN202210628522.0A CN202210628522A CN115226115A CN 115226115 A CN115226115 A CN 115226115A CN 202210628522 A CN202210628522 A CN 202210628522A CN 115226115 A CN115226115 A CN 115226115A
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- 238000004891 communication Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000004044 response Effects 0.000 claims abstract description 87
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 4
- 238000010295 mobile communication Methods 0.000 abstract description 19
- 230000035515 penetration Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 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
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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Abstract
The invention discloses a building communication system and a method, wherein a communication channel between a first communication unit and an outdoor base station is constructed by deploying a second communication unit; by deploying the first communication subsystem in the target area in the building, the mobile communication access request of the user in the target area can be solved, and the use experience of the user in the mobile communication network in the target area is improved; the first communication unit transmits the response signal to the terminal for a plurality of times continuously within a preset time period after transmitting the response signal once, thus increasing the duration of the response signal; and because the total energy of the signals is increased by sending for many times, the coverage depth of the signals is improved, the wall penetration loss of the signals in the transmission process can be effectively resisted, and the accurate acquisition of the response signals by the terminal is ensured.
Description
Technical Field
The invention relates to the technical field of intelligent buildings, in particular to a building communication system and a building communication method.
Background
The technologies such as BIM, GIS, cloud computing, big data, artificial intelligence, 3D printing, internet of things and robots bring huge changes to the traditional building industry, create new data synergistic effect, and perform building service on more efficient, better and more cooperative platforms. Digital buildings will build buildings from design, production, construction to operation and maintenance.
As an important component of a smart city, the smart building is a future development direction of the building industry, and the smart city puts higher requirements on information interconnection and intercommunication among buildings.
With the development of communication technology, in order to meet the use experience of mobile communication users on mobile communication networks, which is rapidly increasing, indoor base stations have been deployed in most buildings to meet the daily requirements of the users, but the indoor base stations cannot realize indoor signal full coverage, so that some signal coverage blind areas exist in the buildings, such as a staircase area, and because one or two layers of fireproof doors are generally arranged between the area and the room, the transmission of signals is hindered, so that the signal coverage effect of the base stations is poor, and the use experience of the mobile communication networks of the users in the area is also greatly reduced.
Disclosure of Invention
The present invention is directed to at least solving the problems of the prior art. Therefore, the invention provides a building communication system and a building communication method, which can realize full signal coverage in a building and improve the use experience of a mobile communication network of a user.
In a first aspect of the present invention, a building communication system is provided, including:
the first communication unit is installed in a target area of a building and used for sending a response signal to a terminal located in the target area and continuously sending the response signal for multiple times within preset time after the response signal is sent for the first time, wherein the response signal is a signal correspondingly fed back by a server according to a request signal sent by the terminal;
the outdoor base station is installed at the top of the building and used for sending the request signal to the server and receiving the response signal generated by the server according to the request signal;
and the second communication unit is arranged in a non-target area of the building, is in communication connection with the first communication unit and the outdoor base station, and is used for transmitting the request signal to the outdoor base station, receiving the response signal transmitted by the outdoor base station and transmitting the response signal to the first communication unit.
According to the first aspect of the invention, at least the following advantages are achieved:
(1) Constructing a communication channel between the first communication unit and the outdoor base station by deploying the second communication unit; by deploying the first communication subsystem in a target area in a building, a mobile communication access request for a user in the target area can be solved, and the use experience of the user in a mobile communication network in the target area is improved;
(2) After the first communication unit of the system sends the response signal once, the first communication unit continuously sends the response signal to the terminal for a plurality of times in a preset time period, so that the duration time of the response signal is increased; and because the total energy of the signals is increased by sending the signals for many times, the coverage depth of the signals is improved, the wall penetration loss of the signals in the transmission process can be effectively resisted, and the accurate acquisition of the response signals by the terminal is ensured.
According to some embodiments of the invention, the first communication unit comprises a signal transceiving module and a switch; the switch is respectively connected with the signal transceiving module and the second communication unit through optical cables.
According to some embodiments of the present invention, the signal transceiver module includes a BBU unit and a plurality of RRU units, and the BBU unit is connected to the switch through an optical cable; and the RRU units are respectively connected with the switch through optical cables.
According to some embodiments of the present invention, the target area is a staircase area, and a plurality of RRU units are separately disposed at intervals between each of the staircases.
According to some embodiments of the invention, the second communication unit is an indoor base station, the indoor base station is connected to the exchange by an optical cable and is wirelessly connected to the outdoor base station.
According to some embodiments of the invention, the indoor base station and the outdoor base station are both 4G or 5G base stations.
According to some embodiments of the invention, the terminal is a mobile phone or a tablet computer with a network card function.
In a second aspect of the present invention, there is provided a building communication method, comprising the steps of:
receiving a request signal from a terminal in a target area of a building;
forwarding the request signal to a server;
receiving a response signal from the server; wherein the response signal is a signal fed back by the server according to the request signal;
and sending a response signal to the terminal, and continuously sending the response signal to the terminal within a preset time after the response signal is sent for the first time.
According to the second aspect of the present invention, at least the following advantageous effects are obtained:
(1) The method and the system can receive the request signal of the terminal in the target area, accurately forward the request signal to the server, solve the mobile communication access request of the user in the target area, and improve the use experience of the user in the mobile communication network in the target area.
(2) After the response signal is sent once, the method continuously sends the response signal to the terminal for a plurality of times in a preset time period, so that the duration time of the response signal is increased; and because the total energy of the signals is increased by sending the signals for many times, the coverage depth of the signals is improved, the wall penetration loss of the signals in the transmission process can be effectively resisted, and the accurate acquisition of the response signals by the terminal is ensured.
According to some embodiments of the invention, the continuously transmitting the response signal to the terminal within a preset time after the response signal is transmitted for the first time comprises:
setting a transmission period in the preset time;
and after the response signal is sent for the first time, sending the response signal to the terminal once when the transmission period is triggered once.
According to some embodiments of the invention, said forwarding the request signal to a server comprises:
transmitting the request signal to an indoor base station installed in a non-target area of the building, so that the indoor base station transmits the request signal to an outdoor base station, and the outdoor base station transmits the request signal to the server.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a building communication system according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a building communication method according to an embodiment of the invention;
FIG. 3 is a flow chart illustrating a building communication method according to another embodiment of the invention;
fig. 4 is a flowchart illustrating a building communication method according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The industrial intelligent building management platform for the Zhongjian five-office building covers design software, an intelligent factory management system, an intelligent construction management system and an intelligent operation and maintenance management system.
As an important component of a smart city, the smart building is a future development direction of the building industry, and the smart city puts higher requirements on information interconnection and intercommunication among buildings. With the development of communication technology, in order to meet the use experience of mobile communication users on mobile communication networks, which is rapidly increasing, indoor base stations have been deployed in most buildings to meet the daily requirements of the users, but the indoor base stations cannot realize full coverage of indoor signals, so that signal coverage blind areas exist in the buildings, such as a staircase area, and because one or two layers of fireproof doors are generally arranged between the area and the indoor space, the transmission of signals is hindered, so that the signal coverage effect of the base stations is poor, and the use experience of the mobile communication networks of the users in the area is greatly reduced
In order to solve the technical defects, referring to fig. 1, an embodiment of the present invention provides a building communication system, including a first communication unit, a second communication unit and an outdoor base station, wherein:
the first communication unit is installed in a target area of the building and used for sending a response signal to a terminal located in the target area and continuously sending the response signal for multiple times within a preset time after the response signal is sent for the first time, wherein the response signal is a signal correspondingly fed back by the server according to a request signal sent by the terminal. For example, the terminal needs to request the server to process a certain service requirement (e.g. request to open a certain website), and sends a request signal containing the service requirement.
And the outdoor base station is installed at the top of the building and used for sending the request signal to the server and receiving a response signal generated by the server according to the request signal.
And the second communication unit is arranged in a non-target area of the building, is respectively in communication connection with the first communication unit and the outdoor base station, and is used for transmitting the request signal to the outdoor base station, receiving the response signal transmitted by the outdoor base station and transmitting the response signal to the first communication unit.
In this embodiment, the target area is a staircase area, the first communication unit is installed in the staircase, a communication range of the first communication unit covers the entire staircase area, and when a handheld terminal (for example, a mobile phone or a tablet with internet access function) of a user is located in the staircase, the first communication unit can receive a request signal sent by the terminal. The first communication unit transmits the received request signal to the second communication unit, and the second communication unit is installed in a non-target area of the building, on one hand, the second communication unit can cover the whole non-target area, provide mobile signal access and mobile signal receiving functions for terminals located in the non-target area, and provide network services for the terminals located in the non-target area, which is common knowledge of persons skilled in the art and will not be described in detail herein. On the other hand, the second communication unit wirelessly connects to the outdoor base station, and the second communication unit transmits the request signal to the outdoor base station. The outdoor base station is located at the top of the building and is used to transmit a request signal to the server (the type of server is not particularly limited here). And after the server performs relevant processing, the server sends the feedback response signal to the first communication unit according to the original path. The first communication unit transmits a response signal to the terminal, and after transmitting once, transmits the response signal a plurality of times consecutively within a preset time. After receiving at least one response signal, the terminal can demodulate and process the received response signal, and finally the terminal displays the content information contained in the response signal.
The system constructs a communication channel between a first communication unit and an outdoor base station by deploying a second communication unit; by deploying the first communication subsystem in the target area, a mobile communication access request of a terminal in the target area can be solved, and the use experience of a user in a mobile communication network in the target area is improved.
Moreover, after the first communication unit of the system sends the response signal once, the response signal is continuously sent to the terminal for multiple times in the preset time period, so that the duration of the response signal is prolonged, the total energy of the signal is increased due to multiple sending, the coverage depth of the signal is improved, the wall penetration loss of the signal in the transmission process can be effectively resisted, and the accurate acquisition of the response signal by the terminal is ensured.
In some embodiments, the first communication unit sets a transmission period within a preset time, and transmits the response signal to the terminal once every time the transmission period is triggered after the response signal is transmitted for the first time. The terminal performs a signal search in the target area, for example, performs a signal search for the response signal sent by the first communication unit in at least one transmission cycle, and when at least one response signal sent by the first communication unit in the transmission cycle is searched, the terminal performs a demodulation (common knowledge of those skilled in the art, and is not specifically received here) operation on the received response signal, and the terminal displays the information content contained in the signal.
In some embodiments, the first communication unit comprises a signal transceiving module and a switch; the switch is connected with the signal transceiving module and the second communication unit through optical cables. The signal transceiver module can package a request signal (containing a service requirement) of the terminal into the VPN tunnel, and then transmits the request signal to the second communication unit through the switch via the optical cable; the switch is used as a transmission switching device, and the function of the switch is not described in detail here.
In some embodiments, the signal transceiver module includes a BBU unit and a plurality of RRU units, and the BBU unit is connected to the switch through an optical cable; the RRU units are respectively connected with the switch through optical cables.
The Radio Remote Unit (RRU) Unit is mainly used for transmitting signals to the terminal in the stair area. By setting a multi-channel scheme of a BBU unit and a plurality of RRU units, the problem of omnibearing signal coverage of a staircase can be solved, and the specific types of integrated chips used by the BBU unit and the RRU units are not described in detail here. Preferably, a plurality of RRU units are respectively spaced apart from each other between each floor. Of course, the setting can be performed according to actual situations, for example, when there are many floors of a building, the setting can be performed at intervals between every two floors or every three floors of a staircase respectively in consideration of cost reasons, and the setting can be specifically performed on the ceiling of the staircase, so that the omnidirectional coverage of the staircase is satisfied, and the mobile communication access experience of a user is improved.
In some embodiments, the second communication unit is an indoor base station, the terminal is accessed through RRU units distributed on each floor, the RRU units transmit request signals (including service requirements) sent by the terminal of the user to the BBU unit through the switch, and the BBU unit transmits the request signals to the indoor base station through the switch after performing VPN (virtual private network) encapsulation processing; after receiving the service requirement, the indoor base station adjusts the baseband signal and transmits the signal to the outdoor base station; the outdoor base station sends the signal to the operator's server for demand processing.
When the server processing of the operator is completed, the signal processing result is returned according to the original path.
In some embodiments, the indoor base station and the outdoor base station are both 4G or 5G base stations, which can fully meet the mobile communication access requirement of users in the stair area at the present stage.
Referring to fig. 2 to 4, an embodiment of the invention provides a building communication method for a first communication unit, including the following steps:
in step S101, a first communication unit receives a request signal from a terminal in a target area of a building.
Step S102, the first communication unit forwards the request signal to a server.
Wherein step S102 specifically includes:
the first communication unit transmits the request signal to an indoor base station installed in a non-target area of the building, so that the indoor base station transmits the request signal to an outdoor base station, and the outdoor base station transmits the request signal to the server at step S1021.
Step S103, the first communication unit receives a response signal from the server; wherein, the response signal is a signal fed back by the server according to the request signal.
And step S104, the first communication unit sends the response signal to the terminal and continuously sends the response signal to the terminal within the preset time after the response signal is sent for the first time.
Wherein step S104 specifically includes:
step S1041, the first communication unit sets a transmission period in a preset time.
Step S1042, after the first sending the response signal, the first communication unit sends the response signal to the terminal once every time a transmission cycle is triggered.
In step S1041 and step S1042, the first communication unit transmits the response signal once every other transmission period, so that the total energy of the transmission of the response signal is increased, and the coverage depth and the coverage width of the signal are increased.
For the terminal receiving the response signal, the terminal can perform signal search on the response signal sent by the first communication unit in at least one transmission period, when at least one response signal sent in the transmission period is searched, the received response signal can be demodulated, and finally, the terminal displays the content information contained in the response signal.
It should be noted that the terminal may receive the same response signal multiple times during its search for the signal, and it only needs to demodulate one of the response signals. It should be noted that, of course, the transmission period needs to be set according to actual situations, and the number of times of sending the same response signal should be limited to ensure the balance between efficiency and cost, where the specific value is not limited.
The method can receive the request signal of the terminal in the target area, accurately forward the request signal to the server, solve the mobile communication access request of the user in the target area, and improve the use experience of the user in the mobile communication network in the target area.
After the response signal is sent once, the method continuously sends the response signal to the terminal for a plurality of times in a preset time period, so that the duration time of the response signal is increased; and because the total energy of the signals is increased by sending the signals for many times, the coverage depth of the signals is improved, the wall penetration loss of the signals in the transmission process can be effectively resisted, and the accurate acquisition of the response signals by the terminal is ensured.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A building communication system, comprising:
the first communication unit is installed in a target area of a building and used for sending a response signal to a terminal located in the target area and continuously sending the response signal for multiple times within preset time after the response signal is sent for the first time, wherein the response signal is a signal correspondingly fed back by a server according to a request signal sent by the terminal;
the outdoor base station is installed at the top of the building and used for sending the request signal to the server and receiving the response signal generated by the server according to the request signal;
and the second communication unit is arranged in a non-target area of the building, is in communication connection with the first communication unit and the outdoor base station, and is used for transmitting the request signal to the outdoor base station, receiving the response signal transmitted by the outdoor base station and transmitting the response signal to the first communication unit.
2. The building communication system according to claim 1, wherein the first communication unit includes a signal transceiving module and a switch; the switch is respectively connected with the signal transceiving module and the second communication unit through optical cables.
3. The building communication system according to claim 2, wherein the signal transceiver module comprises a BBU unit and a plurality of RRU units, and the BBU unit is connected with the switch through an optical cable; and the RRU units are respectively connected with the switch through optical cables.
4. The building communication system of claim 3, wherein the target area is a stairwell area, and a plurality of RRU units are separately spaced apart from each other in each stairwell.
5. A building communication system as claimed in claim 2, wherein the second communication unit is an indoor base station, and the indoor base station is connected to the switch via an optical cable and is wirelessly connected to the outdoor base station.
6. The building communication system of claim 5, wherein the indoor base station and the outdoor base station are both 4G or 5G base stations.
7. The building communication system according to any one of claims 1 to 6, wherein the terminal is a mobile phone or a tablet computer having a network card function.
8. A building communication method is characterized by comprising the following steps:
receiving a request signal from a terminal in a target area of a building;
forwarding the request signal to a server;
receiving a response signal from the server; wherein the response signal is a signal fed back by the server according to the request signal;
and sending a response signal to the terminal, and continuously sending the response signal to the terminal within a preset time after the response signal is sent for the first time.
9. The building communication method according to claim 8, wherein said continuously transmitting the response signal to the terminal for a preset time after the response signal is transmitted for the first time comprises:
setting a transmission period in the preset time;
and after the response signal is sent for the first time, sending the response signal to the terminal once when the transmission period is triggered once.
10. The building communication method of claim 8, wherein forwarding the request signal to a server comprises:
transmitting the request signal to an indoor base station installed in a non-target area of the building, so that the indoor base station transmits the request signal to an outdoor base station, and the outdoor base station transmits the request signal to the server.
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| CN202210628522.0A CN115226115A (en) | 2022-06-06 | 2022-06-06 | Building communication system and method |
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| CN202210628522.0A CN115226115A (en) | 2022-06-06 | 2022-06-06 | Building communication system and method |
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2022
- 2022-06-06 CN CN202210628522.0A patent/CN115226115A/en active Pending
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| CN1819676A (en) * | 2005-03-11 | 2006-08-16 | 华为技术有限公司 | Indoor base station system |
| US20080159226A1 (en) * | 2006-12-29 | 2008-07-03 | Lucent Technologies Inc | Methods of handling coverage within a wireless communications system |
| CN102484569A (en) * | 2009-06-22 | 2012-05-30 | 高通股份有限公司 | Wireless communication having reduced feedback delay |
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