CN111669839A

CN111669839A - Water quantity distribution method and system for multi-layer water resource management

Info

Publication number: CN111669839A
Application number: CN202010571069.5A
Authority: CN
Inventors: 王丽珍; 赵勇; 王建华; 李海红; 朱永楠; 翟家齐; 刘荣华; 李想; 王庆明; 姜珊; 何凡
Original assignee: China Institute of Water Resources and Hydropower Research
Current assignee: China Institute of Water Resources and Hydropower Research
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-09-15
Anticipated expiration: 2040-06-22
Also published as: CN111669839B

Abstract

The invention discloses a water quantity distribution method for multilayer water resource management, which comprises the following steps: collecting water demand information by a mobile terminal; monitoring, by a mobile terminal, system information transmitted by a base station, wherein the mobile terminal communicates with the base station over an unlicensed spectrum; determining, by the mobile terminal, a PRACH resource for transmitting a random access preamble in response to monitoring the system information, wherein the PRACH resource for transmitting the random access preamble is indicated in the system information, wherein the PRACH resource for transmitting the random access preamble includes a plurality of occasions for transmitting the random access preamble, wherein the plurality of occasions for transmitting the random access preamble include at least a first occasion, a second occasion, and a third occasion, wherein the first occasion, the second occasion, and the third occasion occupy the same time resource, and the first occasion, the second occasion, and the third occasion occupy different frequency resources, wherein the first occasion and the second occasion are located within a first sub-band, the third occasion is located within a second sub-band, and the first sub-band is non-overlapping with the second sub-band.

Description

Water quantity distribution method and system for multi-layer water resource management

Technical Field

The present invention relates to the field of water resource allocation technology, and more particularly, to a water allocation method and system for multi-layer water resource management.

Background

The water resource allocation means that the water resources are regulated, stored, transported and distributed by adopting a time allocation project and a space allocation project, so that the ecological storage and the optimized allocation of the water resources are realized.

CN109039366B in the prior art discloses a remote hydrographic water resource data transmission system, which includes a signal receiving circuit, a calibration comparison circuit and a signal output circuit, where the signal receiving circuit receives signals at the input end of a signal transmission channel for a control terminal in the remote hydrographic water resource data transmission system, the calibration comparison circuit receives the signals output by the signal receiving circuit in two paths, one path is frequency-modulated by a frequency modulation circuit composed of a triode Q2, a triode Q3, a resistor R15 and a potentiometer RW1, a composite circuit composed of a resistor R9, a resistor R10 and a capacitor C6C 9 is designed to filter abnormal signals in the signals, the other path is attenuated by an attenuation circuit composed of a potentiometer RW2, a capacitor C3 and a capacitor C4, then a composite switch composed of a triode Q4 and a triode Q5 is used to detect signal potentials, the signal output circuit uses a dual-T frequency selection circuit composed of a resistor R12R 14 and a capacitor C10C 12 to screen out single frequency signals,

the information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to provide a water quantity distribution method and a water quantity distribution system for multi-layer water resource management, which can overcome the defects of the prior art.

In order to achieve the above object, the present invention provides a water distribution method for multi-layer water resource management, which is characterized in that the water distribution method for multi-layer water resource management comprises the following steps:

collecting water demand information by a mobile terminal;

monitoring, by a mobile terminal, system information transmitted by a base station, wherein the mobile terminal communicates with the base station over an unlicensed spectrum;

determining, by the mobile terminal, PRACH resources for transmitting a random access preamble in response to monitoring the system information, wherein the PRACH resources for transmitting the random access preamble are indicated in the system information, wherein the PRACH resources for transmitting the random access preamble include a plurality of occasions for transmitting the random access preamble, wherein the plurality of occasions for transmitting the random access preamble include at least a first occasion, a second occasion, and a third occasion, wherein the first occasion, the second occasion, and the third occasion occupy the same time resource, and the first occasion, the second occasion, and the third occasion occupy different frequency resources, wherein the first occasion and the second occasion are located within a first sub-band, the third occasion is located within a second sub-band, and the first sub-band is non-overlapping with the second sub-band;

performing, by the mobile terminal, a Listen Before Talk (LBT) procedure on a frequency band corresponding to the first opportunity, on a frequency band corresponding to the second opportunity, and on a frequency band corresponding to the third opportunity simultaneously in response to determining the PRACH resource for transmitting the random access preamble;

if the LBT process is successfully executed on the frequency band corresponding to the first time machine, the mobile terminal sends a random access lead code to the base station on the frequency band corresponding to the first time machine;

if the LBT process is successfully executed on the frequency band corresponding to the second opportunity, the mobile terminal sends a random access lead code to the base station on the frequency band corresponding to the second opportunity;

if the LBT process is successfully executed on the frequency band corresponding to the third opportunity, the mobile terminal sends a random access lead code to the base station on the frequency band corresponding to the third opportunity;

and if the LBT process is not successfully executed on the frequency band corresponding to the first opportunity, the frequency band corresponding to the second opportunity and the frequency band corresponding to the third opportunity, the mobile terminal executes the LBT process again at the next LBT opportunity.

In a preferred embodiment, the water distribution method of multi-layer water resource management comprises the following steps:

determining, by the base station, an operating mode of the base station in response to receiving the random access preamble;

if the operation mode of the base station is judged to be the first operation mode, the base station sends a first random access response MAC PDU to the mobile terminal at least at a first moment and sends a second random access response MAC PDU to the mobile terminal at a second moment, wherein the first random access response MAC PDU at least comprises a timing advance indication, a temporary C-RNTI allocated to the mobile terminal and a first uplink authorization, and the second random access response MAC PDU at least comprises a timing advance indication, a temporary C-RNTI allocated to the mobile terminal and a second uplink authorization;

performing, by the mobile terminal, an LBT procedure in response to receiving the first random access response MAC PDU;

in response to receiving the first random access response MAC PDU, continuing to monitor, by the mobile terminal, a second random access response MAC PDU sent by the base station;

if the LBT execution process is successful, sending an RRC connection establishment request message to the base station by the mobile terminal on the resource indicated by the first uplink authorization;

re-performing, by the mobile terminal, the LBT procedure at a next LBT occasion if the performing of the LBT procedure is unsuccessful;

if the re-performing of the LBT procedure is successful, transmitting, by the mobile terminal, an RRC connection setup request message to the base station on the resource indicated by the second uplink grant.

if the operation mode of the base station is judged to be the second operation mode, the base station sends a random access response MAC PDU to the mobile terminal, wherein the random access response MAC PDU at least comprises a first MAC sub PDU and a second MAC sub PDU, the first MAC sub PDU at least comprises a timing advance indication, a temporary C-RNTI allocated to the mobile terminal and a first uplink authorization, and the second MAC sub PDU at least comprises a timing advance indication, a temporary C-RNTI allocated to the mobile terminal and a second uplink authorization;

performing, by the mobile terminal, an LBT procedure in response to receiving the random access response MAC PDU;

transmitting, by the base station, a random access response, MAC, PDU to the mobile terminal if the operation mode of the base station is determined to be the third operation mode, wherein the random access response, MAC, PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and an uplink grant, wherein the uplink grant includes an indication of frequency resources for a PUSCH channel used to transmit the RRC connection setup request message and an indication of a list of time resources for a PUSCH channel used to transmit the RRC connection setup request message, wherein the list of time resources for a PUSCH channel used to transmit the RRC connection setup request message includes at least a first time resource and a second time resource for a PUSCH channel used to transmit the RRC connection setup request message, and wherein the first time resource and the second time resource do not overlap;

transmitting, by the mobile terminal, the RRC connection setup request message to the base station on a first time resource of a PUSCH channel for transmitting the RRC connection setup request message if the performing of the LBT procedure is successful;

transmitting, by the mobile terminal, the RRC connection setup request message to the base station on a second time resource of the PUSCH channel for transmitting the RRC connection setup request message if the re-performing of the LBT procedure is successful.

transmitting, by the base station, a random access response, MAC, PDU to the mobile terminal if the operation mode of the base station is determined to be the fourth operation mode, wherein the random access response, MAC, PDU comprises at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and an uplink grant, wherein the uplink grant comprises an indication of frequency resources for a PUSCH channel for transmitting the RRC connection setup request message and an indication of time resources for a PUSCH channel for transmitting the RRC connection setup request message, wherein the indication of time resources for the PUSCH channel for transmitting the RRC connection setup request message indicates to the mobile terminal a first point in time for transmitting the RRC connection setup request message and a time interval between the first point in time and a second point in time;

transmitting, by the mobile terminal, an RRC connection setup request message to the base station on a PUSCH channel at a first time point if performing the LBT procedure is successful;

deriving, by the mobile terminal, a second point in time based on the first point in time and a time interval between the first point in time and the second point in time if re-performing the LBT procedure is successful;

transmitting, by the mobile terminal, an RRC connection setup request message to the base station on the PUSCH channel at a second point in time;

transmitting, by the base station, an RRC connection setup complete message to the mobile terminal in response to receiving the RRC connection setup request message;

sending, by the mobile terminal, water demand information to the base station in response to establishing the RRC connection with the base station;

in response to receiving the water demand information, the water demand information is transmitted to the water demand information server by the base station, and water amount distribution is performed by the server based on the water demand information.

The invention provides a water distribution system for multilayer water resource management, which is characterized by comprising the following components:

a unit for collecting water demand information by the mobile terminal;

means for monitoring, by a mobile terminal, system information transmitted by a base station, wherein the mobile terminal communicates with the base station over an unlicensed spectrum;

means for determining, by a mobile terminal, PRACH resources for transmitting a random access preamble in response to monitoring system information, wherein the PRACH resources for transmitting the random access preamble are indicated in the system information, wherein the PRACH resources for transmitting the random access preamble include a plurality of occasions for transmitting the random access preamble, wherein the plurality of occasions for transmitting the random access preamble include at least a first occasion, a second occasion, and a third occasion, wherein the first occasion, the second occasion, and the third occasion occupy a same time resource, and the first occasion, the second occasion, and the third occasion occupy different frequency resources, wherein the first occasion and the second occasion are located within a first sub-band, the third occasion is located within a second sub-band, and the first sub-band is non-overlapping with the second sub-band;

means for performing, by the mobile terminal, a Listen Before Talk (LBT) procedure on a frequency band corresponding to the first opportunity, on a frequency band corresponding to the second opportunity, and on a frequency band corresponding to the third opportunity simultaneously in response to determining PRACH resources for transmitting the random access preamble;

means for transmitting, by the mobile terminal, a random access preamble to the base station on a frequency band corresponding to the first time-machine if performing the LBT procedure on the frequency band corresponding to the first time-machine is successful;

means for transmitting, by the mobile terminal, a random access preamble to the base station on a frequency band corresponding to the second occasion if performing the LBT procedure on the frequency band corresponding to the second occasion is successful;

means for transmitting, by the mobile terminal, a random access preamble to the base station on a frequency band corresponding to the third occasion if performing the LBT procedure on the frequency band corresponding to the third occasion is successful;

means for re-performing, by the mobile terminal, the LBT procedure at a next LBT opportunity if none of the LBT procedures performed on the frequency band corresponding to the first opportunity, the frequency band corresponding to the second opportunity, and the frequency band corresponding to the third opportunity are successful.

In a preferred embodiment, a multi-level water resource management water distribution system comprises:

means for determining, by the base station, an operating mode of the base station in response to receiving the random access preamble;

means for transmitting, by the base station, a first random access response, MAC, PDU to the mobile terminal at least at a first time and a second random access response, MAC, PDU to the mobile terminal at a second time if the operation mode of the base station is determined to be the first operation mode, wherein the first random access response, MAC PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal and a first uplink grant, and the second random access response, MAC PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal and a second uplink grant;

means for performing, by the mobile terminal, an LBT procedure in response to receiving the first random access response, MAC, PDU;

means for continuing, by the mobile terminal, to monitor a second random access response, MAC, PDU sent by the base station in response to receiving the first random access response, MAC, PDU;

means for transmitting, by the mobile terminal, an RRC connection setup request message to the base station on a resource indicated by the first uplink grant if performing the LBT procedure is successful;

means for re-performing, by the mobile terminal, the LBT procedure at a next LBT occasion if performing the LBT procedure is unsuccessful;

means for sending, by the mobile terminal, an RRC connection setup request message to the base station on the resource indicated by the second uplink grant if the re-performing of the LBT procedure is successful.

means for transmitting, by the base station, a random access response, MAC, PDU to the mobile terminal if the operation mode of the base station is determined to be the second operation mode, wherein the random access response, MAC, PDU includes at least a first MAC sub-PDU and a second MAC sub-PDU, wherein the first MAC sub-PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and a first uplink grant, and the second MAC sub-PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and a second uplink grant;

means for performing, by the mobile terminal, an LBT procedure in response to receiving the random access response, MAC, PDU;

means for transmitting, by the base station, a random access response, MAC, PDU to the mobile terminal if the operation mode of the base station is determined to be the third operation mode, wherein the random access response, MAC, PDU comprises at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and an uplink grant, wherein the uplink grant comprises an indication of frequency resources for a PUSCH channel used to transmit the RRC connection setup request message and an indication of a list of time resources for the PUSCH channel used to transmit the RRC connection setup request message, wherein the list of time resources for the PUSCH channel used to transmit the RRC connection setup request message comprises at least a first time resource and a second time resource for the PUSCH channel used to transmit the RRC connection setup request message, and wherein the first time resource and the second time resource do not overlap;

means for transmitting, by the mobile terminal, the RRC connection setup request message to the base station on a first time resource of a PUSCH channel for transmitting the RRC connection setup request message if performing the LBT procedure is successful;

means for transmitting, by the mobile terminal, the RRC connection setup request message to the base station on a second time resource of the PUSCH channel used to transmit the RRC connection setup request message if the re-performing of the LBT procedure is successful.

means for transmitting, by the base station, a random access response, MAC, PDU to the mobile terminal if the operation mode of the base station is determined to be the fourth operation mode, wherein the random access response, MAC, PDU comprises at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and an uplink grant, wherein the uplink grant comprises an indication of frequency resources for a PUSCH channel used to transmit the RRC connection setup request message and an indication of time resources for the PUSCH channel used to transmit the RRC connection setup request message, wherein the indication of time resources for the PUSCH channel used to transmit the RRC connection setup request message indicates to the mobile terminal a first point in time for transmitting the RRC connection setup request message and a time interval between the first point in time and a second point in time;

means for transmitting, by the mobile terminal, an RRC connection setup request message on a PUSCH channel to the base station at a first point in time if performing the LBT procedure is successful;

means for deriving, by the mobile terminal, a second point in time based on the first point in time and a time interval between the first point in time and the second point in time if re-performing the LBT procedure is successful;

means for transmitting, by the mobile terminal, an RRC connection setup request message on a PUSCH channel to the base station at a second point in time;

means for transmitting, by the base station, an RRC connection setup complete message to the mobile terminal in response to receiving the RRC connection setup request message;

means for transmitting, by the mobile terminal, water demand information to the base station in response to establishing the RRC connection with the base station;

and a unit for transmitting the water demand information to the water demand information server by the base station in response to receiving the water demand information, and performing water amount distribution by the server based on the water demand information.

Compared with the prior art, the invention has the advantages that water resources are in short supply in China, many regions are still in a state of serious water shortage, although water resources are not short in many regions, the water use state is not optimistic due to the problem of water pollution, and the problem of water resource short supply is further aggravated if the water resources are not reasonably allocated. In order to improve the effectiveness of water resource allocation, the correctness of a water resource allocation decision must be ensured, the allocation decision must be made correctly according to sufficient information and data, the traditional water resource allocation decision is made basically according to data provided by statistical departments in various regions, the data provided by the statistical departments in various regions have a series of problems of time lag, inconsistent data statistical calibers, excessive macroscopic upper data and the like, a method for automatically collecting data is needed in order to improve the accuracy of data collection and reduce interference, and the application provides a water distribution method and a system for multi-layer water resource management aiming at the requirements of the prior art.

Drawings

Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.

FIG. 2 is a flow diagram of a method according to an embodiment of the invention.

Fig. 3 is a schematic diagram of information transmission according to an embodiment of the present invention.

Fig. 4 is a diagram illustrating a base station transmitting information in a first operation mode according to an embodiment of the present invention.

Fig. 5 is a diagram illustrating a base station transmitting information in a second operation mode according to an embodiment of the present invention.

Fig. 6 is a diagram illustrating a base station transmitting information in a second operation mode according to an embodiment of the present invention.

Fig. 7 is a diagram illustrating a base station transmitting information in a second operation mode according to an embodiment of the present invention.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention. As shown, the system of the present invention includes a mobile terminal that may communicate with a base station over an unlicensed spectrum or a licensed spectrum. The unlicensed spectrum is also called a shared spectrum, unlicensed spectrum, and means that the frequency band can be used without issuing a license from a related department. The multi-level management in the present invention refers to water resource management performed at different levels, and for example, the decision of water resource allocation may be made hierarchically using a prefecture-level administrative unit as a basic level, a prefecture-level city as a second level, and a province as a third level.

FIG. 2 is a flow diagram of a method according to an embodiment of the invention. As shown in the figure, the method of the present invention comprises the steps of:

step 101: collecting water demand information by a mobile terminal; water demand information is to be understood broadly, and any information related to water resource allocation can be collected as water demand information.

Step 102: monitoring, by a mobile terminal, system information transmitted by a base station, wherein the mobile terminal communicates with the base station over an unlicensed spectrum;

step 103: determining, by the mobile terminal, PRACH resources for transmitting a random access preamble in response to monitoring the system information, wherein the PRACH resources for transmitting the random access preamble are indicated in the system information, wherein the PRACH resources for transmitting the random access preamble include a plurality of occasions for transmitting the random access preamble, wherein the plurality of occasions for transmitting the random access preamble include at least a first occasion, a second occasion, and a third occasion, wherein the first occasion, the second occasion, and the third occasion occupy the same time resource, and the first occasion, the second occasion, and the third occasion occupy different frequency resources, wherein the first occasion and the second occasion are located within a first sub-band, the third occasion is located within a second sub-band, and the first sub-band is non-overlapping with the second sub-band; for example, in the LTE system, the maximum bandwidth of the system may be 100MHz, the bandwidth is divided into 5 component carriers, each component carrier has a bandwidth of 20MHz, in the LTE system, the first sub-band may refer to a frequency band consisting of two component carriers and a bandwidth of 40MHz, and the second sub-band may refer to a frequency band consisting of another component carrier and a bandwidth of 20 MHz. The bandwidth of the 5G system is larger, and the sub-band of the 5G system can be divided according to the band division method described above.

Step 104: performing, by the mobile terminal, a Listen Before Talk (LBT) procedure on a frequency band corresponding to the first opportunity, on a frequency band corresponding to the second opportunity, and on a frequency band corresponding to the third opportunity simultaneously in response to determining the PRACH resource for transmitting the random access preamble;

step 105: if the LBT process is successfully executed on the frequency band corresponding to the first time machine, the mobile terminal sends a random access lead code to the base station on the frequency band corresponding to the first time machine;

step 106: if the LBT process is successfully executed on the frequency band corresponding to the second opportunity, the mobile terminal sends a random access lead code to the base station on the frequency band corresponding to the second opportunity;

step 107: if the LBT process is successfully executed on the frequency band corresponding to the third opportunity, the mobile terminal sends a random access lead code to the base station on the frequency band corresponding to the third opportunity;

step 108: and if the LBT process is not successfully executed on the frequency band corresponding to the first opportunity, the frequency band corresponding to the second opportunity and the frequency band corresponding to the third opportunity, the mobile terminal executes the LBT process again at the next LBT opportunity.

a unit for collecting water demand information by the mobile terminal;

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable water demand information processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable water demand information processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable water demand information processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable water demand information processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A water distribution method for multi-layer water resource management is characterized by comprising the following steps:

collecting water demand information by a mobile terminal;

determining, by the mobile terminal, a PRACH resource for transmitting a random access preamble in response to listening to the system information, wherein the PRACH resource for transmitting a random access preamble is indicated in the system information, wherein the PRACH resource for transmitting the random access preamble comprises a plurality of occasions for transmitting the random access preamble, wherein the plurality of occasions for transmitting the random access preamble comprise at least a first occasion, a second occasion, and a third occasion, wherein the first, second and third occasions occupy the same time resource, and the first, second and third occasions occupy different frequency resources, wherein the first and second occasions are within a first sub-band, the third occasion is within a second sub-band, and the first and second sub-bands do not overlap;

in response to determining the PRACH resources for transmitting the random access preamble, performing, by the mobile terminal, a listen-before-talk, LBT, procedure on a frequency band corresponding to the first opportunity, on a frequency band corresponding to the second opportunity, and on a frequency band corresponding to the third opportunity simultaneously;

if the LBT process is successfully executed on the frequency band corresponding to the first time machine, a random access preamble is sent to the base station by the mobile terminal on the frequency band corresponding to the first time machine;

if the LBT process is successfully executed on the frequency band corresponding to the second opportunity, the mobile terminal sends a random access preamble to the base station on the frequency band corresponding to the second opportunity;

if the LBT process is successfully executed on the frequency band corresponding to the third opportunity, the mobile terminal sends a random access preamble to the base station on the frequency band corresponding to the third opportunity;

2. The method for water distribution in multi-tier water resource management as recited in claim 1, wherein the method for water distribution in multi-tier water resource management comprises the steps of:

determining, by a base station, an operating mode of the base station in response to receiving the random access preamble;

if the operation mode of the base station is judged to be the first operation mode, the base station sends a first random access response MAC PDU to the mobile terminal at least at a first moment, and sends a second random access response MAC PDU to the mobile terminal at a second moment, wherein the first random access response MAC PDU at least comprises a timing advance indication, a temporary C-RNTI allocated to the mobile terminal and a first uplink authorization, and the second random access response MAC PDU at least comprises a timing advance indication, a temporary C-RNTI allocated to the mobile terminal and a second uplink authorization;

performing, by the mobile terminal, an LBT procedure in response to receiving the first random access response, MAC, PDU;

transmitting, by the mobile terminal, an RRC connection setup request message to the base station on the resource indicated by the first uplink grant if the performing of the LBT procedure is successful;

and if the re-performing of the LBT process is successful, sending an RRC connection establishment request message to the base station by the mobile terminal on the resource indicated by the second uplink authorization.

3. The method for water distribution in multi-tier water resource management as recited in claim 2, wherein the method for water distribution in multi-tier water resource management comprises the steps of:

4. The method for water distribution in multi-tier water resource management as recited in claim 3, wherein the method for water distribution in multi-tier water resource management comprises the steps of:

transmitting, by the base station, a random access response MAC PDU to the mobile terminal if it is determined that the operation mode of the base station is the third operation mode, wherein the random access response MAC PDU comprises at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal and an uplink grant, wherein the uplink grant comprises an indication of frequency resources for a PUSCH channel used to transmit the RRC connection setup request message and an indication of a list of time resources for a PUSCH channel used to transmit the RRC connection setup request message, the time resource list of the PUSCH for transmitting the RRC connection establishment request message at least comprises a first time resource and a second time resource of the PUSCH for transmitting the RRC connection establishment request message, wherein the first time resource and the second time resource are not overlapped;

transmitting, by the mobile terminal, an RRC connection setup request message to the base station on a first time resource of the PUSCH channel for transmitting the RRC connection setup request message if performing the LBT procedure is successful;

transmitting, by the mobile terminal, the RRC connection setup request message to the base station on the second time resource of the PUSCH channel for transmitting the RRC connection setup request message if the re-performing of the LBT procedure is successful.

5. The method for water distribution in multi-tier water resource management as recited in claim 4, wherein the method for water distribution in multi-tier water resource management comprises the steps of:

transmitting, by the base station, a random access response, MAC, PDU to the mobile terminal if the operation mode of the base station is determined to be the fourth operation mode, wherein the random access response, MAC, PDU comprises at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and an uplink grant, wherein the uplink grant comprises an indication of frequency resources for a PUSCH channel for transmitting an RRC connection setup request message and an indication of time resources for a PUSCH channel for transmitting an RRC connection setup request message, wherein the indication of time resources for a PUSCH channel for transmitting an RRC connection setup request message indicates to the mobile terminal a first point in time for transmitting the RRC connection setup request message and a time interval between the first point in time and a second point in time;

transmitting, by the mobile terminal, an RRC connection setup request message on a PUSCH channel to the base station at the first time point if performing the LBT procedure is successful;

transmitting, by the mobile terminal, an RRC connection setup request message on a PUSCH channel to the base station at the second point in time;

sending, by the base station, an RRC connection setup complete message to the mobile terminal in response to receiving the RRC connection setup request message;

transmitting, by a mobile terminal, the water demand information to the base station in response to establishing an RRC connection with the base station;

and responding to the received water demand information, sending the water demand information to the water demand information server by the base station, and performing water quantity distribution by the server based on the water demand information.

6. A multi-tiered water resource management water distribution system, comprising:

a unit for collecting water demand information by the mobile terminal;

means for determining, by the mobile terminal, PRACH resources for transmitting a random access preamble in response to listening to the system information, wherein the PRACH resource for transmitting a random access preamble is indicated in the system information, wherein the PRACH resource for transmitting the random access preamble comprises a plurality of occasions for transmitting the random access preamble, wherein the plurality of occasions for transmitting the random access preamble comprise at least a first occasion, a second occasion, and a third occasion, wherein the first, second and third occasions occupy the same time resource, and the first, second and third occasions occupy different frequency resources, wherein the first and second occasions are within a first sub-band, the third occasion is within a second sub-band, and the first and second sub-bands do not overlap;

means for performing, by a mobile terminal, a Listen Before Talk (LBT) procedure on a frequency band corresponding to the first opportunity, on a frequency band corresponding to the second opportunity, and on a frequency band corresponding to the third opportunity simultaneously in response to determining the PRACH resource for transmitting a random access preamble;

means for transmitting, by a mobile terminal, a random access preamble to the base station on a frequency band corresponding to the first time-slot if performing an LBT procedure on the frequency band corresponding to the first time-slot is successful;

means for transmitting, by a mobile terminal, a random access preamble to the base station on a frequency band corresponding to the second occasion if performing an LBT procedure on the frequency band corresponding to the second occasion is successful;

means for transmitting, by a mobile terminal, a random access preamble to the base station on a frequency band corresponding to the third occasion if performing an LBT procedure on the frequency band corresponding to the third occasion is successful;

means for re-performing, by the mobile terminal, the LBT procedure at a next LBT occasion if none of the LBT procedures performed on the frequency band corresponding to the first occasion, the frequency band corresponding to the second occasion, and the frequency band corresponding to the third occasion are successful.

7. The multi-tiered water resource management water distribution system as recited in claim 6 wherein said multi-tiered water resource management water distribution system comprises:

means for determining, by a base station, an operating mode of the base station in response to receiving the random access preamble;

means for transmitting, by the base station, a first random access response, MAC, PDU to the mobile terminal at least at a first time and transmitting a second random access response, MAC, PDU to the mobile terminal at a second time if it is determined that the operation mode of the base station is the first operation mode, wherein the first random access response, MAC, PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and a first uplink grant, and the second random access response, MAC, PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and a second uplink grant;

means for performing, by a mobile terminal, an LBT procedure in response to receiving the first random access response, MAC, PDU;

means for continuing, by the mobile terminal, to listen for a second random access response, MAC, PDU transmitted by the base station in response to receiving the first random access response, MAC, PDU;

means for transmitting, by a mobile terminal, an RRC connection setup request message to the base station on resources indicated by the first uplink grant if performing an LBT procedure is successful;

8. The multi-tiered water resource management water distribution system as recited in claim 7 wherein said multi-tiered water resource management water distribution system comprises:

means for transmitting, by a base station, a random access response MAC PDU to a mobile terminal if the operation mode of the base station is determined to be a second operation mode, wherein the random access response MAC PDU includes at least a first MAC sub-PDU and a second MAC sub-PDU, wherein the first MAC sub-PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and a first uplink grant, and the second MAC sub-PDU includes at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and a second uplink grant;

means for performing, by a mobile terminal, an LBT procedure in response to receiving the random access response, MAC, PDU;

9. The multi-tiered water resource management water distribution system as recited in claim 8 wherein said multi-tiered water resource management water distribution system comprises:

means for transmitting, by the base station, a random access response MAC PDU to the mobile terminal if it is determined that the operation mode of the base station is the third operation mode, wherein the random access response MAC PDU comprises at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal and an uplink grant, wherein the uplink grant comprises an indication of frequency resources for a PUSCH channel used to transmit the RRC connection setup request message and an indication of a list of time resources for a PUSCH channel used to transmit the RRC connection setup request message, the time resource list of the PUSCH for transmitting the RRC connection establishment request message at least comprises a first time resource and a second time resource of the PUSCH for transmitting the RRC connection establishment request message, wherein the first time resource and the second time resource are not overlapped;

means for transmitting, by a mobile terminal, an RRC connection setup request message to the base station on a first time resource of the PUSCH channel for transmitting the RRC connection setup request message if performing the LBT procedure is successful;

means for transmitting, by the mobile terminal, the RRC connection setup request message to the base station on the second time resource of the PUSCH channel for transmitting the RRC connection setup request message if the re-performing of the LBT procedure is successful.

10. The multi-tiered water resource management water distribution system as recited in claim 9 wherein the multi-tiered water resource management water distribution system comprises:

means for transmitting, by a base station, a random access response, MAC, PDU to the mobile terminal if the operation mode of the base station is determined to be a fourth operation mode, wherein the random access response, MAC, PDU comprises at least a timing advance indication, a temporary C-RNTI assigned to the mobile terminal, and an uplink grant, wherein the uplink grant comprises an indication of frequency resources for a PUSCH channel used to transmit an RRC connection setup request message and an indication of time resources for the PUSCH channel used to transmit the RRC connection setup request message, wherein the indication of time resources for the PUSCH channel used to transmit the RRC connection setup request message indicates to the mobile terminal a first point in time for transmitting the RRC connection setup request message and a time interval between the first point in time and a second point in time;

means for transmitting, by a mobile terminal, an RRC connection setup request message on a PUSCH channel to the base station at the first point in time if performing the LBT procedure is successful;

means for transmitting, by a mobile terminal, an RRC connection setup request message on a PUSCH channel to the base station at the second point in time;

means for transmitting, by a base station, an RRC connection setup complete message to the mobile terminal in response to receiving the RRC connection setup request message;

means for transmitting, by a mobile terminal, the water demand information to the base station in response to establishing an RRC connection with the base station;

and a unit for transmitting the water demand information to the water demand information server by a base station in response to receiving the water demand information, and performing water volume allocation by the server based on the water demand information.