CN112291048B - Management data sending method in urban brain system - Google Patents
Management data sending method in urban brain system Download PDFInfo
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- CN112291048B CN112291048B CN202011591313.0A CN202011591313A CN112291048B CN 112291048 B CN112291048 B CN 112291048B CN 202011591313 A CN202011591313 A CN 202011591313A CN 112291048 B CN112291048 B CN 112291048B
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- user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/188—Time-out mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/189—Transmission or retransmission of more than one copy of a message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method for sending management data in an urban brain system, which comprises the following steps: the method comprises the steps that a first user terminal receives system information containing first data sending times of the first user terminal to a data storage server from the data storage server; through wireless communication between the mobile terminals, the first user terminal receives second data transmission times and unit consumption energy of the second user terminal to the data storage server from the second user terminal; comparing the energy consumed when the first user terminal directly transmits the management data with the energy consumed when the management data is transmitted through the second user terminal, and determining whether to transmit the management data of the first user terminal to the data storage server through the second user terminal; and the data storage server adjusts the sending times in real time. According to the invention, through cooperation among the user terminals, energy consumption in the process of sending the management data is saved.
Description
Technical Field
The present invention relates to a data transmission technique for an urban brain system, and more particularly, to a management data transmission method for transmitting management data between a data storage server performing wireless communication and a plurality of user terminals in the urban brain system.
Background
In the urban brain system, it is necessary for each user terminal to efficiently transmit urban management data to data storage service sessions distributed in each area in real time. Here, the city management data includes various surveillance videos, government publicity videos, tables, text files, city management collection data, and the like, and each day includes a large amount of data.
Generally, the environment and the position for setting the data storage device are preset and cannot be moved after being set; the number of the user terminals is huge, and the user terminals move at any time, and the environment of the user terminals cannot be predicted and limited. Moreover, the communication between the data server and each user terminal is performed by using a mobile communication network, and the communication between the user terminals can be performed by a direct communication mode among the mobile terminals such as a local area network, WIFI, bluetooth and the like in addition to the communication through the mobile communication network.
Since one data storage server needs to respond to a plurality of user terminals, the data storage server dynamically allocates communication channel resources to each user terminal that requires transmission of management data, and requires different encoding schemes and data transmission times for each user terminal according to the distance of each user terminal. In the case of a user terminal, a large amount of energy is consumed for each wireless communication for transmitting data, and if a large number of repeated transmissions are required, the amount of energy consumed for transmitting data is not negligible.
Therefore, when the energy consumption of a certain user terminal in communication with the data storage server is large due to environmental restrictions, the user terminal can cooperate with a neighboring user terminal to perform data transmission.
Disclosure of Invention
The present invention is made to solve the above technical problems in the prior art, and an object of the present invention is to provide a method for transmitting management data in an urban brain system, which saves energy consumption when transmitting the management data through cooperation between user terminals.
The invention relates to a management data transmission method in an urban brain system, which transmits management data among a data storage server, a first user terminal and a second user terminal which carry out wireless communication, and comprises the following steps:
the method comprises the steps that a first user terminal receives system information containing first data sending times from a data storage server, wherein the first data sending times are times of repeated sending when the data storage server requires the first user terminal to send management times to the data storage server;
the first user terminal receives a second data sending frequency from the second user terminal and unit consumed energy when the second user terminal sends unit data to the data storage server, wherein the second data sending frequency is the number of times of repeated sending when the data storage server requires the second user terminal to send the management data to the data storage server;
the first user terminal compares the energy consumed when the first user terminal directly transmits the management data with the energy consumed when the second user terminal transmits the management data, determines whether to transmit the management data to the data storage server through the second user terminal according to the comparison result,
when the energy consumed by the first user terminal when the first user terminal directly sends the management data is larger, after the first user terminal sends the management data to the second user terminal, the second user terminal sends the management data to the data storage server according to the second data sending times; and
after the data storage server starts to receive the management data, analyzing the received part of the management data, adjusting the data transmission times of the management data in real time according to the communication condition of the data storage server and the coding condition or the data type or the data size or the error rate of the received part of the management data, and transmitting the adjusted data transmission times to the user terminal which is transmitting the management data.
Furthermore, preferably, the energy consumed when the first user terminal directly transmits the management data is energy consumed when the first user terminal transmits the management data according to the first data transmission number;
the energy consumed in transmitting the management data by the second user terminal includes: and the energy consumed when the first user terminal sends the management data to the second user terminal, and the energy consumed when the second user terminal sends the management data to the data storage server according to the second data sending times.
Furthermore, it is preferable that: and the first user terminal receives the second data transmission times and the unit consumption energy when the second user terminal transmits the unit amount of data from the second user terminal, and simultaneously receives the data transmission times of other user terminals adjacent to the second user terminal and the unit consumption energy when the unit amount of data is transmitted.
According to the invention, energy consumption for sending the management data to the data storage server is saved through cooperation among the user terminals.
Drawings
Fig. 1 is a schematic diagram of management data transmission between a data storage server and user terminals in a brain system of a city according to the present invention.
Fig. 2 is a flow chart of a method for transmitting management data in a brain system of a city according to the present invention.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
Fig. 1 is a schematic diagram of management data transmission between a data storage server and user terminals in a brain system of a city according to the present invention. As shown in fig. 1, wireless data transmission may be performed between the data storage server 100 and the first user terminal 200 and the second user terminal 300 in the urban brain system by using a mobile communication network, and communication may be performed between the first user terminal 200 and the second user terminal 300 by using a direct communication method between mobile terminals in addition to the mobile communication network.
Since one data storage server needs to respond to a plurality of user terminals, the data storage server dynamically allocates communication channel resources to each user terminal that requires transmission of management data, and requires different encoding schemes and data transmission times for each user terminal according to the distance of each user terminal. In the case of a user terminal, a large amount of energy is consumed for each wireless communication for transmitting data, and if a large number of requested transmission times are required, the amount of energy consumed for transmitting data is not negligible.
Fig. 2 is a flow chart of a method for transmitting management data in a brain system of a city according to the present invention. As shown in fig. 2, in step S110, when the first user terminal 200 needs to transmit the management data to the data storage server 100, a wireless communication link is first established with the data storage server 100, and then the system information transmitted by the data storage server 100 to the first user terminal 200 is received. The system information includes information such as an encoding method used when data is transmitted, and the number of times of first data transmission that is the number of times of repeated transmission when the data storage server 100 requests the first user terminal 200 to transmit management data to the data storage server 100.
In the S120 step, the first user terminal 200 searches for a communicable neighboring second user terminal 300, and receives a second data transmission number, which is the number of times the second user terminal 300 is required to transmit management data to the data storage server 100 by the data storage server 100, and a unit consumption energy when the second user terminal 300 transmits a unit amount of data to the data storage server 100 from the found second user terminal 300. Here, the first user terminal 200 periodically transmits a terminal identification message to search for other user terminals in the vicinity, and the other user terminals receive the terminal identification message and transmit a response message generated in response to the terminal identification message to the first user terminal 200, thereby establishing a communication link between the two user terminals.
The unit energy consumption when each user terminal 300 transmits a unit amount of data to the data storage server 100 may be measured in advance by a known professional testing method and stored in the internal memory of each user terminal.
The communication between the first user terminal 200 and the second user terminal 300 may be a mobile communication network, or may be a communication method such as a local area wireless network, WIFI, bluetooth, or the like.
In step S130, the first user terminal 200 compares the energy consumed when the first user terminal 200 directly transmits the management data with the energy consumed when the second user terminal 300 transmits the management data, and determines whether to transmit the management data to the data storage server 100 through the second user terminal 300 according to the comparison result.
When the energy consumed by the first user terminal 200 when directly transmitting the management data is larger, after the first user terminal 200 transmits the management data to the second user terminal 300, the second user terminal 300 transmits the management data to the data storage server 100 according to the second data transmission times.
Here, the energy consumed when the first user terminal 200 directly transmits the management data is energy consumed when the first user terminal 200 transmits the management data according to the first data transmission number. The energy consumed in transmitting the management data through the second user terminal 300 includes: the energy consumed when the first user terminal 200 transmits the management data to the second user terminal 300, and the energy consumed when the second user terminal 300 transmits the management data to the data storage server 100 according to the second data transmission times.
The energy consumed when data is transmitted between the user terminals may be measured in advance by using a known professional testing method according to a communication method (for example, mobile communication, WIFI communication, bluetooth communication, etc.) between the user terminals, and then stored in an internal memory of each user terminal, which will not be described in detail herein.
In step S140, when the energy consumed when the first user terminal directly transmits the management data is greater than the energy consumed when the second user terminal transmits the management data, it is determined to transmit the management data through the second user terminal 300; otherwise, the first ue 200 continues to search for other neighboring ues, and then compares the energy consumption in data transmission to select the ue with lower energy consumption for transmission to transmit the management data. If no other user terminal that consumes less transmission energy is finally found available, the first user terminal 200 transmits the management data directly to the data storage server according to the first data transmission number.
Further, each user terminal may periodically search for a plurality of user terminals in the vicinity that can communicate, and store the number of transmissions and the unit consumption energy received by each user terminal in the vicinity. When the first user terminal requires to provide the sending times and the unit consumption energy, the sending times and the unit consumption energy of the first user terminal are sent to the first user terminal together with the sending times and the unit consumption energy of other adjacent user terminals, so that the searching time of the first user terminal is saved.
Further, the data storage server 100 may analyze a part of the received management data after starting to receive the management data transmitted from the user terminal, adjust the number of times of transmission of the management data in real time according to the communication status of the data storage server itself and the encoding status, the data type, the data size, the error rate, and the like of the received part of the management data, and transmit the adjusted number of times of transmission to the user terminal that is transmitting the management data.
As described above, the present invention compares transmission power consumption between adjacent ues, and transmits management data using a ue with less transmission power consumption, thereby saving power consumption of the ue when transmitting data.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above, and includes several programs for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A management data transmission method in an urban brain system transmits management data among a data storage server, a first user terminal and a second user terminal which perform wireless communication, and is characterized by comprising the following steps:
the first user terminal receives system information containing first data sending times from the data storage server, wherein the first data sending times are times of repeated sending when the data storage server requires the first user terminal to send the management data to the data storage server;
the first user terminal receives a second data sending frequency from the second user terminal and unit consumed energy when the second user terminal sends unit data to the data storage server, wherein the second data sending frequency is the number of times of repeated sending when the data storage server requires the second user terminal to send the management data to the data storage server;
the first user terminal compares the energy consumed when the first user terminal directly transmits the management data with the energy consumed when the second user terminal transmits the management data, determines whether to transmit the management data to the data storage server through the second user terminal according to the comparison result,
when the energy consumed by the first user terminal when the first user terminal directly sends the management data is larger, after the first user terminal sends the management data to the second user terminal, the second user terminal sends the management data to the data storage server according to the second data sending times; and
after the data storage server starts to receive the management data, analyzing the received part of the management data, adjusting the data transmission times of the management data in real time according to the communication condition of the data storage server and the coding condition or the data type or the data size or the error rate of the received part of the management data, and transmitting the adjusted data transmission times to the user terminal which is transmitting the management data to the data storage server.
2. The management data transmission method according to claim 1,
the energy consumed when the first user terminal directly transmits the management data is the energy consumed when the first user terminal transmits the management data according to the first data transmission times;
the energy consumed in transmitting the management data by the second user terminal includes: and the energy consumed when the first user terminal sends the management data to the second user terminal, and the energy consumed when the second user terminal sends the management data to the data storage server according to the second data sending times.
3. The management data transmitting method according to claim 1, further comprising:
the first user terminal periodically transmitting a terminal identification message to find a communicable neighboring user terminal;
and after receiving the terminal identification message, the second user terminal sends a response message generated by responding to the terminal identification message to the first user terminal.
4. The management data transmitting method according to claim 1, further comprising:
and the first user terminal receives the second data transmission times and the unit consumption energy when the second user terminal transmits the unit amount of data from the second user terminal, and simultaneously receives the data transmission times of other user terminals adjacent to the second user terminal and the unit consumption energy when the unit amount of data is transmitted.
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