CN112367151A

CN112367151A - Intelligent oil field safety monitoring method based on wireless sensor with wireless communication function

Info

Publication number: CN112367151A
Application number: CN202011168605.3A
Authority: CN
Inventors: 施亚冬; 钱锦霞
Original assignee: Nantong Haoyou Environmental Protection Technology Co ltd
Current assignee: Nantong Haoyou Environmental Protection Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-02-12

Abstract

The invention discloses an intelligent oil field safety monitoring method based on a wireless sensor with a wireless communication function, which comprises the following steps: monitoring oil field safety information by a first wireless sensor, a second wireless sensor and a third wireless sensor respectively, and monitoring a synchronous signal and system information sent by a base station; in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the first relay wireless terminal, a first PRACH opportunity for transmitting a random access preamble based on the synchronization signal and the system information; determining, by the second relay wireless terminal, a second PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station; in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the third relay wireless terminal, a third PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information.

Description

Intelligent oil field safety monitoring method based on wireless sensor with wireless communication function

Technical Field

The invention relates to the technical field of intelligent oil fields, in particular to a safety monitoring method of an intelligent oil field based on a wireless sensor with a wireless communication function.

Background

An oil field refers to a specific area of crude oil production. Sometimes referred to collectively as the reservoir of oil accumulated in the subsurface of a particular area.

The prior art CN106761668B discloses an oil well fault intelligent analysis decision-making system and method, which comprises a data acquisition module, a remote measurement and control module, a server, a database connection module and a function module, wherein the data acquisition module comprises an electrical parameter acquisition module, a temperature sensor, a pressure sensor, a working fluid level measuring instrument, an integrated power indicator, a flow sensor and a combustible gas detector, the electrical parameter acquisition module, the temperature sensor, the pressure sensor, the working fluid level measuring instrument, the integrated power indicator and the flow sensor are all in communication connection with the remote measurement and control module, a production database and an expert database are arranged in the server, the production database is in one-way communication connection with the data acquisition module, and the expert database is in two-way communication connection with the database connection module.

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 an intelligent oil field safety monitoring method based on a wireless sensor with a wireless communication function, which can overcome the defects of the prior art.

In order to achieve the purpose, the invention provides an intelligent oil field safety monitoring method based on a wireless sensor with a wireless communication function, which comprises the following steps:

monitoring oil field safety information by a first wireless sensor, a second wireless sensor and a third wireless sensor respectively;

monitoring, by the first relay wireless terminal, the second relay wireless terminal, and the third relay wireless terminal, a synchronization signal and system information transmitted by the base station;

in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the first relay wireless terminal, a first PRACH opportunity for transmitting a random access preamble based on the synchronization signal and the system information;

determining, by the second relay wireless terminal, a second PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station;

in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the third relay wireless terminal, a third PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information, wherein the first PRACH opportunity, the second PRACH opportunity, and the third PRACH opportunity are located in the same subframe;

in response to determining the first PRACH opportunity, transmitting, by the first relay wireless terminal, a random access preamble to the base station;

transmitting, by the base station, a random access response to the first relay wireless terminal in response to receiving the random access preamble;

in response to receiving the random access response, sending, by the first relay wireless terminal, a random access request to the base station to complete random access to the base station;

in response to completion of random access to the base station, transmitting, by the first relay wireless terminal, a sidelink resource request message to the base station;

in response to receiving the sidelink resource request message, a sidelink time-frequency resource is allocated by the base station to the first relay wireless terminal.

In a preferred embodiment, the intelligent oilfield safety monitoring method based on the wireless sensor with the wireless communication function comprises the following steps:

in response to receiving the allocated sidelink time-frequency resources, transmitting, by the first relay wireless terminal, a first sidelink control message to the first wireless sensor in a first set of symbols of the first time slot, wherein the first sidelink control message does not include an indication of feedback resources for transmitting ACK/NACK;

in response to receiving the allocated sidelink time frequency resource, transmitting, by the first relay wireless terminal, a first sidelink data message to the first wireless sensor in a second set of symbols of the first time slot, wherein the first sidelink data message comprises a request for monitoring data;

determining, by the first wireless sensor, whether the first side link control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the first side link data message;

determining, by the first wireless sensor, a resource for transmitting oilfield security information in response to determining that the first sidelink control message does not have an indication of a feedback resource for transmitting the ACK/NACK, wherein the resource for transmitting oilfield security information is indicated in the first sidelink control message;

in response to determining the resources for transmitting the oilfield safety information, transmitting, by the first wireless sensor, first oilfield safety information to the first relay wireless terminal in a first time slot for transmission, wherein the first oilfield safety information occupies 2 OFDM symbols;

in response to determining the resource for transmitting the oilfield safety information, a copy of the first oilfield safety information is transmitted by the first wireless sensor to the first relay wireless terminal in a first time slot for transmission.

in response to receiving the allocated sidelink time-frequency resources, transmitting, by the first relay wireless terminal, a second sidelink control message to the second wireless sensor in the first set of symbols of the second time slot, wherein the second sidelink control message includes an indication of feedback resources for transmitting ACK/NACK;

transmitting, by the first relay wireless terminal, a second sidelink data message to the second wireless sensor in a second set of symbols of the second time slot in response to receiving the allocated sidelink time frequency resource, wherein the second sidelink data message comprises a request for monitoring data;

determining, by the second wireless sensor, whether the second sidelink control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the second sidelink data message;

transmitting, by the second wireless sensor, an ACK message to the first relay wireless terminal in a third set of symbols of the second slot in response to determining that the second side link control message has an indication of feedback resources for transmitting ACK/NACK;

in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK, transmitting, by the second wireless sensor, a NACK message to the first relay wireless terminal in a third set of symbols of the second time slot if the second wireless sensor does not correctly receive the second sidelink data message;

determining, by the second wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the second sidelink control message;

in response to determining the resources for transmitting the oilfield safety information, transmitting, by the second wireless sensor, second oilfield safety information to the first relay wireless terminal in a second transmission-ready time slot, wherein the second oilfield safety information occupies 4 OFDM symbols;

in response to determining the resource for transmitting the oilfield safety information, a copy of the second oilfield safety information is transmitted by the second wireless sensor to the first relay wireless terminal in a third time slot for transmission.

in response to receiving the allocated sidelink time-frequency resource, transmitting, by the first relay wireless terminal, a third sidelink control message to the third wireless sensor in the first set of symbols of the third time slot, wherein the third sidelink control message includes an indication of a feedback resource for transmitting ACK/NACK;

in response to receiving the allocated sidelink time frequency resource, transmitting, by the first relay wireless terminal, a third sidelink data message to the third wireless sensor in the second set of symbols of the third time slot, wherein the third sidelink data message comprises a request for monitoring data;

determining, by the third wireless sensor, whether the third sidelink control message has an indication of feedback resources for transmitting the ACK/NACK in response to receiving the third sidelink data message;

transmitting, by the third wireless sensor, an ACK message to the first relay wireless terminal in the first set of symbols of the fourth slot in response to determining that the third side link control message has an indication of feedback resources for transmitting ACK/NACK;

in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK, transmitting, by the third wireless sensor, a NACK message to the first relay wireless terminal in the first set of symbols of the fourth slot if the second wireless sensor does not correctly receive the second sidelink data message;

determining, by the third wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the third sidelink control message;

in response to determining the resources for transmitting the oilfield safety information, transmitting, by the third wireless sensor, third oilfield safety information to the first relay wireless terminal in a third transmission-dedicated time slot, wherein the third oilfield safety information occupies 1 OFDM symbol;

in response to determining the resource for transmitting the oilfield safety information, a copy of the third oilfield safety information is transmitted by the second wireless sensor to the first relay wireless terminal in a fourth time slot for transmission.

transmitting, by the first relay wireless terminal, a scheduling request to the base station in response to receiving the first oilfield security information;

allocating, by the base station, a first PUSCH resource to the first relay wireless terminal in response to receiving the scheduling request, wherein the first PUSCH resource is located in a first PUSCH slot;

if the first relay wireless terminal receives the second oilfield safety information before the first oilfield safety information is transmitted by using the first PUSCH resource, the base station judges whether the second oilfield safety information is high-priority information;

if the second oilfield security information is high priority information, transmitting a scheduling request with high priority to the base station by the first relay wireless terminal;

transmitting, by the base station, a PDCCH message to the first relay wireless terminal in response to receiving the scheduling request having the high priority, wherein the PDCCH message includes an indication for a second PUSCH resource and an indication for a third PUSCH resource, wherein the second PUSCH resource is located in a first PUSCH slot, wherein the third PUSCH resource is located in a second PUSCH slot, wherein the second PUSCH slot is located after the first PUSCH slot;

transmitting, by the first relay wireless terminal, second oilfield security information to the base station in the first PUSCH slot in response to receiving the PDCCH message;

in response to receiving the PDCCH message, transmitting, by the first relay wireless terminal, the first oilfield security information to the base station in a second PUSCH slot.

further determining, by the second relay wireless terminal, PUSCH resources for the second relay wireless transmission of the random access request in response to determining the second PRACH opportunity, wherein the PUSCH resources for the second relay wireless transmission of the random access request are located in the first set of PUSCH resources;

in response to determining the PRACH resources and the PUSCH resources, sending, by the second relay wireless terminal, a random access preamble and a random access request to the base station;

sending, by the base station, a random access completion message to the second relay wireless terminal in response to receiving the random access preamble and the random access request;

in response to determining the third PRACH opportunity, further determining, by the third relay wireless terminal, PUSCH resources for the third relay wireless terminal to transmit the random access request, wherein the PUSCH resources for the third relay wireless terminal to transmit the random access request are located in a second set of PUSCH resources;

in response to determining the PRACH resources and the PUSCH resources, transmitting, by the third relay wireless terminal, a random access preamble and a random access request to the base station;

in response to receiving the random access preamble and the random access request, transmitting, by the base station, a random access complete message to the third relay wireless terminal.

The invention provides an intelligent oil field safety monitoring system based on a wireless sensor with a wireless communication function, which comprises:

a unit for monitoring the oilfield safety information by the first wireless sensor, the second wireless sensor and the third wireless sensor respectively;

means for monitoring, by the first relay wireless terminal, the second relay wireless terminal, and the third relay wireless terminal, a synchronization signal and system information transmitted by the base station;

means for determining, by the first relay wireless terminal, a first PRACH occasion for transmitting a random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station;

means for determining, by the second relay wireless terminal, a second PRACH occasion for transmitting the random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station;

means for determining, by a third relay wireless terminal, a third PRACH opportunity for transmitting a random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station, wherein the first PRACH opportunity, the second PRACH opportunity, and the third PRACH opportunity are located in a same subframe;

means for transmitting, by the first relay wireless terminal, a random access preamble to the base station in response to determining the first PRACH occasion;

means for transmitting, by the base station, a random access response to the first relay wireless terminal in response to receiving the random access preamble;

means for transmitting, by the first relay wireless terminal, a random access request to the base station to complete random access to the base station in response to receiving the random access response;

means for transmitting, by the first relay wireless terminal, a sidelink resource request message to the base station in response to completion of random access to the base station;

means for allocating, by the base station, sidelink time-frequency resources to the first relay wireless terminal in response to receiving the sidelink resource request message.

In a preferred embodiment, the intelligent oilfield safety monitoring system based on the wireless sensor with the wireless communication function comprises:

means for transmitting, by the first relay wireless terminal, a first side link control message to the first wireless sensor in a first set of symbols of the first time slot in response to receiving the allocated side link time-frequency resources, wherein an indication of feedback resources for transmitting ACK/NACK is not included in the first side link control message;

means for transmitting, by the first relay wireless terminal, a first sidelink data message to the first wireless sensor in a second set of symbols of the first time slot in response to receiving the allocated sidelink time frequency resource, wherein the first sidelink data message comprises a request for monitoring data;

means for determining, by a first wireless sensor, whether a first side link control message has an indication of feedback resources for sending ACK/NACK in response to receiving a first side link data message;

means for determining, by the first wireless sensor, a resource for transmitting oilfield security information in response to determining that the first sidelink control message does not have an indication of feedback resources for transmitting ACK/NACK, wherein the resource for transmitting oilfield security information is indicated in the first sidelink control message;

means for transmitting, by a first wireless sensor, first oilfield safety information to a first relay wireless terminal in a first time slot for transmission in response to determining a resource for transmitting the oilfield safety information, wherein the first oilfield safety information occupies 2 OFDM symbols;

the method includes, in response to determining a resource for transmitting oilfield security information, transmitting, by a first wireless sensor, a copy of the first oilfield security information to a first relay wireless terminal in a first time slot for transmission.

means for transmitting, by the first relay wireless terminal to the second wireless sensor in the first set of symbols of the second time slot, a second sidelink control message in response to receiving the allocated sidelink time-frequency resource, wherein the second sidelink control message includes an indication of feedback resources for transmitting ACK/NACK;

means for transmitting, by the first relay wireless terminal, a second sidelink data message to the second wireless sensor in a second set of symbols of the second time slot in response to receiving the allocated sidelink time frequency resource, wherein the second sidelink data message comprises a request for monitoring data;

means for determining, by the second wireless sensor, whether the second sidelink control message has an indication of feedback resources for sending ACK/NACK in response to receiving the second sidelink data message;

means for transmitting, by the second wireless sensor, an ACK message to the first relay wireless terminal in a third set of symbols of the second slot in response to determining that the second side link control message has an indication of feedback resources for transmitting ACK/NACK;

means for transmitting, by the second wireless sensor, a NACK message to the first relay wireless terminal in a third set of symbols of the second slot if the second wireless sensor does not correctly receive the second sidelink data message in response to determining that the second sidelink control message has an indication of feedback resources for transmitting ACK/NACK;

means for determining, by the second wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the second sidelink control message;

means for transmitting, by a second wireless sensor, second oilfield safety information to a first relay wireless terminal in a second transmission-ready time slot in response to determining the resources for transmitting the oilfield safety information, wherein the second oilfield safety information occupies 4 OFDM symbols;

means for transmitting, by the second wireless sensor, a copy of the second oilfield security information to the first relay wireless terminal in a third time slot for transmission in response to determining the resource for transmitting the oilfield security information.

means for transmitting, by the first relay wireless terminal, a third sidelink control message to the third wireless sensor in the first set of symbols of the third time slot in response to receiving the allocated sidelink time frequency resource, wherein the third sidelink control message includes an indication of a feedback resource for transmitting ACK/NACK;

means for transmitting, by the first relay wireless terminal, a third sidelink data message to the third wireless sensor in the second set of symbols of the third time slot in response to receiving the allocated sidelink time frequency resource, wherein the third sidelink data message comprises a request for monitoring data;

means for determining, by the third wireless sensor, whether the third side link control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the third side link data message;

means for transmitting, by the third wireless sensor, an ACK message to the first relay wireless terminal in the first set of symbols of the fourth slot in response to determining that the third side link control message has an indication of feedback resources for transmitting ACK/NACK;

means for transmitting, by the third wireless sensor, a NACK message to the first relay wireless terminal in the first set of symbols of the fourth slot if the second wireless sensor does not correctly receive the second sidelink data message in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK;

means for determining, by the third wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the third sidelink control message;

means for transmitting, by a third wireless sensor, third oilfield safety information to the first relay wireless terminal in a third transmission-dedicated time slot in response to determining the resources for transmitting the oilfield safety information, wherein the third oilfield safety information occupies 1 OFDM symbol;

means for transmitting, by the second wireless sensor, a copy of the third oilfield security information to the first relay wireless terminal in a fourth time slot for transmission in response to determining the resource for transmitting the oilfield security information.

means for transmitting, by a first relay wireless terminal, a scheduling request to a base station in response to receiving the first oilfield security information;

means for allocating, by the base station, a first PUSCH resource to the first relay wireless terminal in response to receiving the scheduling request, wherein the first PUSCH resource is located in a first PUSCH slot;

means for determining, by the base station, whether the second oilfield security information is high priority information if the first relay wireless terminal receives the second oilfield security information before transmitting the first oilfield security information using the first PUSCH resource;

means for transmitting, by the first relay wireless terminal, a scheduling request with high priority to the base station if the second oilfield safety information is high priority information;

means for transmitting, by the base station, a PDCCH message to the first relay wireless terminal in response to receiving the scheduling request having the high priority, wherein the PDCCH message includes an indication of a second PUSCH resource and an indication of a third PUSCH resource, wherein the second PUSCH resource is located in a first PUSCH slot, wherein the third PUSCH resource is located in a second PUSCH slot, wherein the second PUSCH slot is located after the first PUSCH slot;

means for transmitting, by the first relay wireless terminal, second oilfield security information to the base station in the first PUSCH slot in response to receiving the PDCCH message;

means for transmitting, by the first relay wireless terminal, the first oilfield safety information to the base station in the second PUSCH slot in response to receiving the PDCCH message.

means for further determining, by the second relay wireless terminal, a PUSCH resource for the second relay wireless to transmit the random access request in response to determining the second PRACH occasion, wherein the PUSCH resource for the second relay wireless to transmit the random access request is located in the first set of PUSCH resources;

means for transmitting, by the second relay wireless terminal, a random access preamble and a random access request to the base station in response to determining the PRACH resource and the PUSCH resource;

means for transmitting, by the base station, a random access complete message to the second relay wireless terminal in response to receiving the random access preamble and the random access request;

means for further determining, by the third relay wireless terminal, a PUSCH resource for the third relay wireless terminal to transmit a random access request in response to determining the third PRACH opportunity, wherein the PUSCH resource for the third relay wireless terminal to transmit the random access request is located in the second set of PUSCH resources;

means for transmitting, by the third relay wireless terminal, a random access preamble and a random access request to the base station in response to determining the PRACH resource and the PUSCH resource;

means for transmitting, by the base station, a random access complete message to the third relay wireless terminal in response to receiving the random access preamble and the random access request.

The present invention also provides a computer-readable storage medium having program code embodied therein, which when executed by a processor, causes the processor to:

In a preferred embodiment, a computer readable storage medium includes program code therein, which when executed by a processor, causes the processor to:

Compared with the prior art, the invention has the advantages that the oil and gas development relates to national energy safety and is an economic life line with great concern, large complex machines are generally used in the oil field exploitation process, the operation states of the machines are monitored, timely comprehensive analysis and feedback are difficult, and meanwhile, due to the complexity of geological conditions, a plurality of processes in the oil field exploitation need to be finely monitored and analyzed and judged in time. According to the current technical level, the computing power of a common computer cannot analyze mass data in time, if real-time analysis and real-time feedback cannot be realized, the monitoring effect and the prevention effect may be deteriorated, and in order to improve the computing power, data computation needs to be shifted to a server or a supercomputer for implementation. In order to achieve the aim, the application provides an intelligent oil field safety monitoring method based on a wireless sensor with a wireless communication function.

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.

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.

Example 1:

FIG. 2 is a flow diagram of a method according to an embodiment of the invention. As shown in the figure, the intelligent oil field safety monitoring method based on the wireless sensor with the wireless communication function comprises the following steps:

step 101: monitoring oil field safety information by a first wireless sensor, a second wireless sensor and a third wireless sensor respectively; the wireless sensor can monitor related parameters of oil field safety, and can perform wireless communication;

step 102: monitoring, by the first relay wireless terminal, the second relay wireless terminal, and the third relay wireless terminal, a synchronization signal and system information transmitted by the base station; the relay wireless terminal can be a smart phone, a self-walking robot with a wireless communication module and the like;

step 103: in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the first relay wireless terminal, a first PRACH opportunity for transmitting a random access preamble based on the synchronization signal and the system information;

step 104: determining, by the second relay wireless terminal, a second PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station;

step 105: in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the third relay wireless terminal, a third PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information, wherein the first PRACH opportunity, the second PRACH opportunity, and the third PRACH opportunity are located in the same subframe;

step 106: in response to determining the first PRACH opportunity, transmitting, by the first relay wireless terminal, a random access preamble to the base station;

step 107: transmitting, by the base station, a random access response to the first relay wireless terminal in response to receiving the random access preamble;

step 108: in response to receiving the random access response, sending, by the first relay wireless terminal, a random access request to the base station to complete random access to the base station;

step 109: in response to completion of random access to the base station, transmitting, by the first relay wireless terminal, a sidelink resource request message to the base station;

step 110: in response to receiving the sidelink resource request message, a sidelink time-frequency resource is allocated by the base station to the first relay wireless terminal.

In a preferred embodiment, the intelligent oilfield safety monitoring method based on the wireless sensor with the wireless communication function comprises the following steps: in response to receiving the allocated sidelink time-frequency resources, transmitting, by the first relay wireless terminal, a first sidelink control message to the first wireless sensor in a first set of symbols of the first time slot, wherein the first sidelink control message does not include an indication of feedback resources for transmitting ACK/NACK; in response to receiving the allocated sidelink time frequency resource, transmitting, by the first relay wireless terminal, a first sidelink data message to the first wireless sensor in a second set of symbols of the first time slot, wherein the first sidelink data message comprises a request for monitoring data; determining, by the first wireless sensor, whether the first side link control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the first side link data message; determining, by the first wireless sensor, a resource for transmitting oilfield security information in response to determining that the first sidelink control message does not have an indication of a feedback resource for transmitting the ACK/NACK, wherein the resource for transmitting oilfield security information is indicated in the first sidelink control message; in response to determining the resources for transmitting the oilfield safety information, transmitting, by the first wireless sensor, first oilfield safety information to the first relay wireless terminal in a first time slot for transmission, wherein the first oilfield safety information occupies 2 OFDM symbols; in response to determining the resource for transmitting the oilfield safety information, a copy of the first oilfield safety information is transmitted by the first wireless sensor to the first relay wireless terminal in a first time slot for transmission.

In a preferred embodiment, the intelligent oilfield safety monitoring method based on the wireless sensor with the wireless communication function comprises the following steps: in response to receiving the allocated sidelink time-frequency resources, transmitting, by the first relay wireless terminal, a second sidelink control message to the second wireless sensor in the first set of symbols of the second time slot, wherein the second sidelink control message includes an indication of feedback resources for transmitting ACK/NACK; transmitting, by the first relay wireless terminal, a second sidelink data message to the second wireless sensor in a second set of symbols of the second time slot in response to receiving the allocated sidelink time frequency resource, wherein the second sidelink data message comprises a request for monitoring data; determining, by the second wireless sensor, whether the second sidelink control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the second sidelink data message; transmitting, by the second wireless sensor, an ACK message to the first relay wireless terminal in a third set of symbols of the second slot in response to determining that the second side link control message has an indication of feedback resources for transmitting ACK/NACK; in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK, transmitting, by the second wireless sensor, a NACK message to the first relay wireless terminal in a third set of symbols of the second time slot if the second wireless sensor does not correctly receive the second sidelink data message; determining, by the second wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the second sidelink control message; in response to determining the resources for transmitting the oilfield safety information, transmitting, by the second wireless sensor, second oilfield safety information to the first relay wireless terminal in a second transmission-ready time slot, wherein the second oilfield safety information occupies 4 OFDM symbols; in response to determining the resource for transmitting the oilfield safety information, a copy of the second oilfield safety information is transmitted by the second wireless sensor to the first relay wireless terminal in a third time slot for transmission.

In a preferred embodiment, the intelligent oilfield safety monitoring method based on the wireless sensor with the wireless communication function comprises the following steps: in response to receiving the allocated sidelink time-frequency resource, transmitting, by the first relay wireless terminal, a third sidelink control message to the third wireless sensor in the first set of symbols of the third time slot, wherein the third sidelink control message includes an indication of a feedback resource for transmitting ACK/NACK; in response to receiving the allocated sidelink time frequency resource, transmitting, by the first relay wireless terminal, a third sidelink data message to the third wireless sensor in the second set of symbols of the third time slot, wherein the third sidelink data message comprises a request for monitoring data; determining, by the third wireless sensor, whether the third sidelink control message has an indication of feedback resources for transmitting the ACK/NACK in response to receiving the third sidelink data message; transmitting, by the third wireless sensor, an ACK message to the first relay wireless terminal in the first set of symbols of the fourth slot in response to determining that the third side link control message has an indication of feedback resources for transmitting ACK/NACK; in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK, transmitting, by the third wireless sensor, a NACK message to the first relay wireless terminal in the first set of symbols of the fourth slot if the second wireless sensor does not correctly receive the second sidelink data message; determining, by the third wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the third sidelink control message; in response to determining the resources for transmitting the oilfield safety information, transmitting, by the third wireless sensor, third oilfield safety information to the first relay wireless terminal in a third transmission-dedicated time slot, wherein the third oilfield safety information occupies 1 OFDM symbol; in response to determining the resource for transmitting the oilfield safety information, a copy of the third oilfield safety information is transmitted by the second wireless sensor to the first relay wireless terminal in a fourth time slot for transmission.

In a preferred embodiment, the intelligent oilfield safety monitoring method based on the wireless sensor with the wireless communication function comprises the following steps: transmitting, by the first relay wireless terminal, a scheduling request to the base station in response to receiving the first oilfield security information; allocating, by the base station, a first PUSCH resource to the first relay wireless terminal in response to receiving the scheduling request, wherein the first PUSCH resource is located in a first PUSCH slot; if the first relay wireless terminal receives the second oilfield safety information before the first oilfield safety information is transmitted by using the first PUSCH resource, the base station judges whether the second oilfield safety information is high-priority information; if the second oilfield security information is high priority information, transmitting a scheduling request with high priority to the base station by the first relay wireless terminal; transmitting, by the base station, a PDCCH message to the first relay wireless terminal in response to receiving the scheduling request having the high priority, wherein the PDCCH message includes an indication for a second PUSCH resource and an indication for a third PUSCH resource, wherein the second PUSCH resource is located in a first PUSCH slot, wherein the third PUSCH resource is located in a second PUSCH slot, wherein the second PUSCH slot is located after the first PUSCH slot; transmitting, by the first relay wireless terminal, second oilfield security information to the base station in the first PUSCH slot in response to receiving the PDCCH message; in response to receiving the PDCCH message, transmitting, by the first relay wireless terminal, the first oilfield security information to the base station in a second PUSCH slot.

In a preferred embodiment, the intelligent oilfield safety monitoring method based on the wireless sensor with the wireless communication function comprises the following steps: further determining, by the second relay wireless terminal, PUSCH resources for the second relay wireless transmission of the random access request in response to determining the second PRACH opportunity, wherein the PUSCH resources for the second relay wireless transmission of the random access request are located in the first set of PUSCH resources; in response to determining the PRACH resources and the PUSCH resources, sending, by the second relay wireless terminal, a random access preamble and a random access request to the base station; sending, by the base station, a random access completion message to the second relay wireless terminal in response to receiving the random access preamble and the random access request; in response to determining the third PRACH opportunity, further determining, by the third relay wireless terminal, PUSCH resources for the third relay wireless terminal to transmit the random access request, wherein the PUSCH resources for the third relay wireless terminal to transmit the random access request are located in a second set of PUSCH resources; in response to determining the PRACH resources and the PUSCH resources, transmitting, by the third relay wireless terminal, a random access preamble and a random access request to the base station; in response to receiving the random access preamble and the random access request, transmitting, by the base station, a random access complete message to the third relay wireless terminal.

Example 2:

the invention also provides an intelligent oil field safety monitoring system based on the wireless sensor with the wireless communication function, which comprises the following components: a unit for monitoring the oilfield safety information by the first wireless sensor, the second wireless sensor and the third wireless sensor respectively; means for monitoring, by the first relay wireless terminal, the second relay wireless terminal, and the third relay wireless terminal, a synchronization signal and system information transmitted by the base station; means for determining, by the first relay wireless terminal, a first PRACH occasion for transmitting a random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station; means for determining, by the second relay wireless terminal, a second PRACH occasion for transmitting the random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station; means for determining, by a third relay wireless terminal, a third PRACH opportunity for transmitting a random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station, wherein the first PRACH opportunity, the second PRACH opportunity, and the third PRACH opportunity are located in a same subframe; means for transmitting, by the first relay wireless terminal, a random access preamble to the base station in response to determining the first PRACH occasion; means for transmitting, by the base station, a random access response to the first relay wireless terminal in response to receiving the random access preamble; means for transmitting, by the first relay wireless terminal, a random access request to the base station to complete random access to the base station in response to receiving the random access response; means for transmitting, by the first relay wireless terminal, a sidelink resource request message to the base station in response to completion of random access to the base station; means for allocating, by the base station, sidelink time-frequency resources to the first relay wireless terminal in response to receiving the sidelink resource request message.

In a preferred embodiment, the intelligent oilfield safety monitoring system based on the wireless sensor with the wireless communication function comprises: means for transmitting, by the first relay wireless terminal, a first side link control message to the first wireless sensor in a first set of symbols of the first time slot in response to receiving the allocated side link time-frequency resources, wherein an indication of feedback resources for transmitting ACK/NACK is not included in the first side link control message; means for transmitting, by the first relay wireless terminal, a first sidelink data message to the first wireless sensor in a second set of symbols of the first time slot in response to receiving the allocated sidelink time frequency resource, wherein the first sidelink data message comprises a request for monitoring data; means for determining, by a first wireless sensor, whether a first side link control message has an indication of feedback resources for sending ACK/NACK in response to receiving a first side link data message; means for determining, by the first wireless sensor, a resource for transmitting oilfield security information in response to determining that the first sidelink control message does not have an indication of feedback resources for transmitting ACK/NACK, wherein the resource for transmitting oilfield security information is indicated in the first sidelink control message; means for transmitting, by a first wireless sensor, first oilfield safety information to a first relay wireless terminal in a first time slot for transmission in response to determining a resource for transmitting the oilfield safety information, wherein the first oilfield safety information occupies 2 OFDM symbols; the method includes, in response to determining a resource for transmitting oilfield security information, transmitting, by a first wireless sensor, a copy of the first oilfield security information to a first relay wireless terminal in a first time slot for transmission.

In a preferred embodiment, the intelligent oilfield safety monitoring system based on the wireless sensor with the wireless communication function comprises: means for transmitting, by the first relay wireless terminal to the second wireless sensor in the first set of symbols of the second time slot, a second sidelink control message in response to receiving the allocated sidelink time-frequency resource, wherein the second sidelink control message includes an indication of feedback resources for transmitting ACK/NACK; means for transmitting, by the first relay wireless terminal, a second sidelink data message to the second wireless sensor in a second set of symbols of the second time slot in response to receiving the allocated sidelink time frequency resource, wherein the second sidelink data message comprises a request for monitoring data; means for determining, by the second wireless sensor, whether the second sidelink control message has an indication of feedback resources for sending ACK/NACK in response to receiving the second sidelink data message; means for transmitting, by the second wireless sensor, an ACK message to the first relay wireless terminal in a third set of symbols of the second slot in response to determining that the second side link control message has an indication of feedback resources for transmitting ACK/NACK; means for transmitting, by the second wireless sensor, a NACK message to the first relay wireless terminal in a third set of symbols of the second slot if the second wireless sensor does not correctly receive the second sidelink data message in response to determining that the second sidelink control message has an indication of feedback resources for transmitting ACK/NACK; means for determining, by the second wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the second sidelink control message; means for transmitting, by a second wireless sensor, second oilfield safety information to a first relay wireless terminal in a second transmission-ready time slot in response to determining the resources for transmitting the oilfield safety information, wherein the second oilfield safety information occupies 4 OFDM symbols; means for transmitting, by the second wireless sensor, a copy of the second oilfield security information to the first relay wireless terminal in a third time slot for transmission in response to determining the resource for transmitting the oilfield security information.

In a preferred embodiment, the intelligent oilfield safety monitoring system based on the wireless sensor with the wireless communication function comprises: means for transmitting, by the first relay wireless terminal, a third sidelink control message to the third wireless sensor in the first set of symbols of the third time slot in response to receiving the allocated sidelink time frequency resource, wherein the third sidelink control message includes an indication of a feedback resource for transmitting ACK/NACK; means for transmitting, by the first relay wireless terminal, a third sidelink data message to the third wireless sensor in the second set of symbols of the third time slot in response to receiving the allocated sidelink time frequency resource, wherein the third sidelink data message comprises a request for monitoring data; means for determining, by the third wireless sensor, whether the third side link control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the third side link data message; means for transmitting, by the third wireless sensor, an ACK message to the first relay wireless terminal in the first set of symbols of the fourth slot in response to determining that the third side link control message has an indication of feedback resources for transmitting ACK/NACK; means for transmitting, by the third wireless sensor, a NACK message to the first relay wireless terminal in the first set of symbols of the fourth slot if the second wireless sensor does not correctly receive the second sidelink data message in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK; means for determining, by the third wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the third sidelink control message; means for transmitting, by a third wireless sensor, third oilfield safety information to the first relay wireless terminal in a third transmission-dedicated time slot in response to determining the resources for transmitting the oilfield safety information, wherein the third oilfield safety information occupies 1 OFDM symbol; means for transmitting, by the second wireless sensor, a copy of the third oilfield security information to the first relay wireless terminal in a fourth time slot for transmission in response to determining the resource for transmitting the oilfield security information.

In a preferred embodiment, the intelligent oilfield safety monitoring system based on the wireless sensor with the wireless communication function comprises: means for transmitting, by a first relay wireless terminal, a scheduling request to a base station in response to receiving the first oilfield security information; means for allocating, by the base station, a first PUSCH resource to the first relay wireless terminal in response to receiving the scheduling request, wherein the first PUSCH resource is located in a first PUSCH slot; means for determining, by the base station, whether the second oilfield security information is high priority information if the first relay wireless terminal receives the second oilfield security information before transmitting the first oilfield security information using the first PUSCH resource; means for transmitting, by the first relay wireless terminal, a scheduling request with high priority to the base station if the second oilfield safety information is high priority information; means for transmitting, by the base station, a PDCCH message to the first relay wireless terminal in response to receiving the scheduling request having the high priority, wherein the PDCCH message includes an indication of a second PUSCH resource and an indication of a third PUSCH resource, wherein the second PUSCH resource is located in a first PUSCH slot, wherein the third PUSCH resource is located in a second PUSCH slot, wherein the second PUSCH slot is located after the first PUSCH slot; means for transmitting, by the first relay wireless terminal, second oilfield security information to the base station in the first PUSCH slot in response to receiving the PDCCH message; means for transmitting, by the first relay wireless terminal, the first oilfield safety information to the base station in the second PUSCH slot in response to receiving the PDCCH message.

In a preferred embodiment, the intelligent oilfield safety monitoring system based on the wireless sensor with the wireless communication function comprises: means for further determining, by the second relay wireless terminal, a PUSCH resource for the second relay wireless to transmit the random access request in response to determining the second PRACH occasion, wherein the PUSCH resource for the second relay wireless to transmit the random access request is located in the first set of PUSCH resources; means for transmitting, by the second relay wireless terminal, a random access preamble and a random access request to the base station in response to determining the PRACH resource and the PUSCH resource; means for transmitting, by the base station, a random access complete message to the second relay wireless terminal in response to receiving the random access preamble and the random access request; means for further determining, by the third relay wireless terminal, a PUSCH resource for the third relay wireless terminal to transmit a random access request in response to determining the third PRACH opportunity, wherein the PUSCH resource for the third relay wireless terminal to transmit the random access request is located in the second set of PUSCH resources; means for transmitting, by the third relay wireless terminal, a random access preamble and a random access request to the base station in response to determining the PRACH resource and the PUSCH resource; means for transmitting, by the base station, a random access complete message to the third relay wireless terminal in response to receiving the random access preamble and the random access request.

Example 3:

the present invention provides a computer-readable storage medium having program code embodied therein, which when executed by a processor, causes the processor to: monitoring oil field safety information by a first wireless sensor, a second wireless sensor and a third wireless sensor respectively; monitoring, by the first relay wireless terminal, the second relay wireless terminal, and the third relay wireless terminal, a synchronization signal and system information transmitted by the base station; in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the first relay wireless terminal, a first PRACH opportunity for transmitting a random access preamble based on the synchronization signal and the system information; determining, by the second relay wireless terminal, a second PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information in response to monitoring the synchronization signal and the system information transmitted by the base station; in response to monitoring the synchronization signal and the system information transmitted by the base station, determining, by the third relay wireless terminal, a third PRACH opportunity for transmitting the random access preamble based on the synchronization signal and the system information, wherein the first PRACH opportunity, the second PRACH opportunity, and the third PRACH opportunity are located in the same subframe; in response to determining the first PRACH opportunity, transmitting, by the first relay wireless terminal, a random access preamble to the base station; transmitting, by the base station, a random access response to the first relay wireless terminal in response to receiving the random access preamble; in response to receiving the random access response, sending, by the first relay wireless terminal, a random access request to the base station to complete random access to the base station; in response to completion of random access to the base station, transmitting, by the first relay wireless terminal, a sidelink resource request message to the base station; in response to receiving the sidelink resource request message, a sidelink time-frequency resource is allocated by the base station to the first relay wireless terminal.

In a preferred embodiment, a computer readable storage medium includes program code therein, which when executed by a processor, causes the processor to: in response to receiving the allocated sidelink time-frequency resources, transmitting, by the first relay wireless terminal, a first sidelink control message to the first wireless sensor in a first set of symbols of the first time slot, wherein the first sidelink control message does not include an indication of feedback resources for transmitting ACK/NACK; in response to receiving the allocated sidelink time frequency resource, transmitting, by the first relay wireless terminal, a first sidelink data message to the first wireless sensor in a second set of symbols of the first time slot, wherein the first sidelink data message comprises a request for monitoring data; determining, by the first wireless sensor, whether the first side link control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the first side link data message; determining, by the first wireless sensor, a resource for transmitting oilfield security information in response to determining that the first sidelink control message does not have an indication of a feedback resource for transmitting the ACK/NACK, wherein the resource for transmitting oilfield security information is indicated in the first sidelink control message; in response to determining the resources for transmitting the oilfield safety information, transmitting, by the first wireless sensor, first oilfield safety information to the first relay wireless terminal in a first time slot for transmission, wherein the first oilfield safety information occupies 2 OFDM symbols; in response to determining the resource for transmitting the oilfield safety information, a copy of the first oilfield safety information is transmitted by the first wireless sensor to the first relay wireless terminal in a first time slot for transmission.

In a preferred embodiment, a computer readable storage medium includes program code therein, which when executed by a processor, causes the processor to: in response to receiving the allocated sidelink time-frequency resources, transmitting, by the first relay wireless terminal, a second sidelink control message to the second wireless sensor in the first set of symbols of the second time slot, wherein the second sidelink control message includes an indication of feedback resources for transmitting ACK/NACK; transmitting, by the first relay wireless terminal, a second sidelink data message to the second wireless sensor in a second set of symbols of the second time slot in response to receiving the allocated sidelink time frequency resource, wherein the second sidelink data message comprises a request for monitoring data; determining, by the second wireless sensor, whether the second sidelink control message has an indication of feedback resources for sending the ACK/NACK in response to receiving the second sidelink data message; transmitting, by the second wireless sensor, an ACK message to the first relay wireless terminal in a third set of symbols of the second slot in response to determining that the second side link control message has an indication of feedback resources for transmitting ACK/NACK; in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK, transmitting, by the second wireless sensor, a NACK message to the first relay wireless terminal in a third set of symbols of the second time slot if the second wireless sensor does not correctly receive the second sidelink data message; determining, by the second wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the second sidelink control message; in response to determining the resources for transmitting the oilfield safety information, transmitting, by the second wireless sensor, second oilfield safety information to the first relay wireless terminal in a second transmission-ready time slot, wherein the second oilfield safety information occupies 4 OFDM symbols; in response to determining the resource for transmitting the oilfield safety information, a copy of the second oilfield safety information is transmitted by the second wireless sensor to the first relay wireless terminal in a third time slot for transmission.

In a preferred embodiment, a computer readable storage medium includes program code therein, which when executed by a processor, causes the processor to: in response to receiving the allocated sidelink time-frequency resource, transmitting, by the first relay wireless terminal, a third sidelink control message to the third wireless sensor in the first set of symbols of the third time slot, wherein the third sidelink control message includes an indication of a feedback resource for transmitting ACK/NACK; in response to receiving the allocated sidelink time frequency resource, transmitting, by the first relay wireless terminal, a third sidelink data message to the third wireless sensor in the second set of symbols of the third time slot, wherein the third sidelink data message comprises a request for monitoring data; determining, by the third wireless sensor, whether the third sidelink control message has an indication of feedback resources for transmitting the ACK/NACK in response to receiving the third sidelink data message; transmitting, by the third wireless sensor, an ACK message to the first relay wireless terminal in the first set of symbols of the fourth slot in response to determining that the third side link control message has an indication of feedback resources for transmitting ACK/NACK; in response to determining that the second sidelink control message has an indication of feedback resources for transmitting the ACK/NACK, transmitting, by the third wireless sensor, a NACK message to the first relay wireless terminal in the first set of symbols of the fourth slot if the second wireless sensor does not correctly receive the second sidelink data message; determining, by the third wireless sensor, a resource for transmitting oilfield security information in response to transmitting the ACK message to the first relay wireless terminal, wherein the resource for transmitting oilfield security information is indicated in the third sidelink control message; in response to determining the resources for transmitting the oilfield safety information, transmitting, by the third wireless sensor, third oilfield safety information to the first relay wireless terminal in a third transmission-dedicated time slot, wherein the third oilfield safety information occupies 1 OFDM symbol; in response to determining the resource for transmitting the oilfield safety information, a copy of the third oilfield safety information is transmitted by the second wireless sensor to the first relay wireless terminal in a fourth time slot for transmission.

In a preferred embodiment, a computer readable storage medium includes program code therein, which when executed by a processor, causes the processor to: transmitting, by the first relay wireless terminal, a scheduling request to the base station in response to receiving the first oilfield security information; allocating, by the base station, a first PUSCH resource to the first relay wireless terminal in response to receiving the scheduling request, wherein the first PUSCH resource is located in a first PUSCH slot; if the first relay wireless terminal receives the second oilfield safety information before the first oilfield safety information is transmitted by using the first PUSCH resource, the base station judges whether the second oilfield safety information is high-priority information; if the second oilfield security information is high priority information, transmitting a scheduling request with high priority to the base station by the first relay wireless terminal; transmitting, by the base station, a PDCCH message to the first relay wireless terminal in response to receiving the scheduling request having the high priority, wherein the PDCCH message includes an indication for a second PUSCH resource and an indication for a third PUSCH resource, wherein the second PUSCH resource is located in a first PUSCH slot, wherein the third PUSCH resource is located in a second PUSCH slot, wherein the second PUSCH slot is located after the first PUSCH slot; transmitting, by the first relay wireless terminal, second oilfield security information to the base station in the first PUSCH slot in response to receiving the PDCCH message; in response to receiving the PDCCH message, transmitting, by the first relay wireless terminal, the first oilfield security information to the base station in a second PUSCH slot.

In a preferred embodiment, a computer readable storage medium includes program code therein, which when executed by a processor, causes the processor to: further determining, by the second relay wireless terminal, PUSCH resources for the second relay wireless transmission of the random access request in response to determining the second PRACH opportunity, wherein the PUSCH resources for the second relay wireless transmission of the random access request are located in the first set of PUSCH resources; in response to determining the PRACH resources and the PUSCH resources, sending, by the second relay wireless terminal, a random access preamble and a random access request to the base station; sending, by the base station, a random access completion message to the second relay wireless terminal in response to receiving the random access preamble and the random access request; in response to determining the third PRACH opportunity, further determining, by the third relay wireless terminal, PUSCH resources for the third relay wireless terminal to transmit the random access request, wherein the PUSCH resources for the third relay wireless terminal to transmit the random access request are located in a second set of PUSCH resources; in response to determining the PRACH resources and the PUSCH resources, transmitting, by the third relay wireless terminal, a random access preamble and a random access request to the base station; in response to receiving the random access preamble and the random access request, transmitting, by the base station, a random access complete message to the third relay wireless 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 data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data 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 data 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 data 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. The intelligent oil field safety monitoring method based on the wireless sensor with the wireless communication function is characterized by comprising the following steps of:

in response to monitoring a synchronization signal and system information transmitted by a base station, determining, by a third relay wireless terminal, a third PRACH opportunity for transmitting a random access preamble based on the synchronization signal and the system information, wherein the first PRACH opportunity, the second PRACH opportunity, and the third PRACH opportunity are located in a same subframe;

transmitting, by a first relay wireless terminal, a random access preamble to the base station in response to determining the first PRACH occasion;

transmitting, by a base station, a random access response to the first relay wireless terminal in response to receiving the random access preamble;

in response to receiving the random access response, sending, by a first relay wireless terminal, a random access request to the base station to complete random access to the base station;

sending, by a first relay wireless terminal, a sidelink resource request message to the base station in response to completion of random access to the base station;

allocating, by the base station, a sidelink time-frequency resource to the first relay wireless terminal in response to receiving the sidelink resource request message.

2. The method for monitoring the safety of the smart oilfield based on the wireless sensor with the wireless communication function as claimed in claim 1, wherein the method for monitoring the safety of the smart oilfield based on the wireless sensor with the wireless communication function comprises the following steps:

in response to receiving the allocated sidelink time-frequency resources, transmitting, by a first relay wireless terminal, a first sidelink control message to the first wireless sensor in a first set of symbols of a first time slot, wherein the first sidelink control message does not include an indication of feedback resources for transmitting ACK/NACK;

in response to receiving the allocated sidelink time frequency resource, transmitting, by a first relay wireless terminal, a first sidelink data message to the first wireless sensor in a second set of symbols of a first time slot, wherein the first sidelink data message comprises a request for monitoring data;

determining, by a first wireless sensor, whether the first side link control message has an indication of feedback resources for sending ACK/NACK in response to receiving the first side link data message;

determining, by a first wireless sensor, a resource for transmitting the oilfield security information in response to determining that the first sidelink control message does not have an indication of feedback resources for transmitting ACK/NACK, wherein the resource for transmitting the oilfield security information is indicated in the first sidelink control message;

in response to determining the resources for transmitting the oilfield safety information, transmitting, by a first wireless sensor, first oilfield safety information to the first relay wireless terminal in a first time slot for transmission, wherein the first oilfield safety information occupies 2 OFDM symbols;

in response to determining the resource for transmitting the oilfield security information, transmitting, by the first wireless sensor, a copy of the first oilfield security information to the first relay wireless terminal in a first time slot for transmission.

3. The method for monitoring the safety of the smart oilfield based on the wireless sensor with the wireless communication function as claimed in claim 2, wherein the method for monitoring the safety of the smart oilfield based on the wireless sensor with the wireless communication function comprises the following steps:

transmitting, by the first relay wireless terminal, a second sidelink data message to the second wireless sensor in a second set of symbols of a second time slot in response to receiving the allocated sidelink time frequency resource, wherein the second sidelink data message comprises a request for monitoring data;

determining, by a second wireless sensor, whether the second sidelink control message has an indication of feedback resources for sending ACK/NACK in response to receiving the second sidelink data message;

transmitting, by a second wireless sensor, an ACK message to the first relay wireless terminal in a third set of symbols of a second slot in response to determining that the second side link control message has an indication of feedback resources for transmitting ACK/NACK;

in response to determining that the second sidelink control message has an indication of feedback resources for transmitting ACK/NACK, transmitting, by the second wireless sensor, a NACK message to the first relay wireless terminal in a third set of symbols of a second slot if the second wireless sensor does not correctly receive the second sidelink data message;

determining, by a second wireless sensor, a resource for transmitting the oilfield security information in response to transmitting an ACK message to the first relay wireless terminal, wherein the resource for transmitting the oilfield security information is indicated in the second sidelink control message;

transmitting, by a second wireless sensor, second oilfield security information to the first relay wireless terminal in a second transmission-ready time slot in response to determining the resources for transmitting the oilfield security information, wherein the second oilfield security information occupies 4 OFDM symbols;

in response to determining the resource for transmitting the oilfield security information, transmitting, by a second wireless sensor, a copy of second oilfield security information to the first relay wireless terminal in a third transmission-dedicated time slot.

4. The method according to claim 3, wherein the method for monitoring the safety of the smart oilfield based on the wireless sensor with wireless communication function comprises the following steps:

transmitting, by the first relay wireless terminal, a third sidelink data message to the third wireless sensor in a second set of symbols of a third time slot in response to receiving the allocated sidelink time frequency resource, wherein the third sidelink data message comprises a request for monitoring data;

determining, by a third wireless sensor, whether the third side link control message has an indication of feedback resources for sending ACK/NACK in response to receiving the third side link data message;

transmitting, by a third wireless sensor, an ACK message to the first relay wireless terminal in a first set of symbols of a fourth slot in response to determining that the third side link control message has an indication of feedback resources for transmitting ACK/NACK;

in response to determining that the second sidelink control message has an indication of feedback resources for sending ACK/NACK, sending, by a third wireless sensor, a NACK message to the first relay wireless terminal in a first set of symbols of a fourth slot if the second wireless sensor does not correctly receive the second sidelink data message;

determining, by a third wireless sensor, a resource for transmitting the oilfield security information in response to transmitting an ACK message to the first relay wireless terminal, wherein the resource for transmitting the oilfield security information is indicated in the third sidelink control message;

transmitting, by a third wireless sensor, third oilfield safety information to the first relay wireless terminal in a third transmission-dedicated time slot in response to determining the resources for transmitting the oilfield safety information, wherein the third oilfield safety information occupies 1 OFDM symbol;

in response to determining the resource for transmitting the oilfield security information, transmitting, by the second wireless sensor, a copy of the third oilfield security information to the first relay wireless terminal in a fourth time slot for transmission.

5. The method according to claim 4, wherein the method for monitoring the safety of the smart oilfield based on the wireless sensor with wireless communication function comprises the following steps:

transmitting, by a first relay wireless terminal, a scheduling request to the base station in response to receiving the first oilfield security information;

allocating, by a base station, a first PUSCH resource to the first relay wireless terminal in response to receiving the scheduling request, wherein the first PUSCH resource is located in a first PUSCH slot;

if the first relay wireless terminal receives the second oilfield security information before the first oilfield security information is transmitted using the first PUSCH resource, the base station determines whether the second oilfield security information is high priority information;

if the second oilfield security information is high priority information, sending a scheduling request with high priority to the base station by a first relay wireless terminal;

transmitting, by a base station to the first relay wireless terminal, a PDCCH message in response to receiving the scheduling request with high priority, wherein the PDCCH message includes an indication of a second PUSCH resource and an indication of a third PUSCH resource, wherein the second PUSCH resource is located in the first PUSCH slot, wherein the third PUSCH resource is located in a second PUSCH slot, wherein the second PUSCH slot is located after the first PUSCH slot;

transmitting, by a first relay wireless terminal, the second oilfield security information to the base station in the first PUSCH slot in response to receiving the PDCCH message;

transmitting, by a first relay wireless terminal, the first oilfield security information to the base station in the second PUSCH slot in response to receiving the PDCCH message.

6. The method according to claim 5, wherein the method for monitoring the safety of the smart oilfield based on the wireless sensor with wireless communication function comprises the following steps:

further determining, by the second relay wireless terminal, a PUSCH resource for the second relay wireless transmission of the random access request in response to determining the second PRACH occasion, wherein the PUSCH resource for the second relay wireless transmission of the random access request is located in the first set of PUSCH resources;

transmitting, by a second relay wireless terminal, a random access preamble and a random access request to the base station in response to determining the PRACH resource and the PUSCH resource;

in response to determining the third PRACH opportunity, further determining, by the third relay wireless terminal, PUSCH resources for the third relay wireless terminal to transmit a random access request, wherein the PUSCH resources for the third relay wireless terminal to transmit a random access request are located in a second set of PUSCH resources;

transmitting, by a third relay wireless terminal, a random access preamble and a random access request to the base station in response to determining the PRACH resource and the PUSCH resource;

transmitting, by the base station, a random access completion message to the third relay wireless terminal in response to receiving the random access preamble and the random access request.

7. The utility model provides a wisdom oil field safety monitoring system based on wireless sensor with wireless communication function which characterized in that, wisdom oil field safety monitoring system based on wireless sensor with wireless communication function includes:

means for determining, by a third relay wireless terminal, a third PRACH opportunity for transmitting a random access preamble based on a synchronization signal and system information in response to monitoring the synchronization signal and the system information transmitted by the base station, wherein the first PRACH opportunity, the second PRACH opportunity, and the third PRACH opportunity are located in a same subframe;

means for transmitting, by a first relay wireless terminal, a random access preamble to the base station in response to determining the first PRACH occasion;

means for transmitting, by a base station, a random access response to the first relay wireless terminal in response to receiving the random access preamble;

means for transmitting, by a first relay wireless terminal, a random access request to the base station to complete random access to the base station in response to receiving the random access response;

means for transmitting, by a first relay wireless terminal, a sidelink resource request message to the base station in response to completion of random access to the base station;

means for allocating, by a base station, a sidelink time-frequency resource to the first relay wireless terminal in response to receiving the sidelink resource request message.

8. The smart oilfield safety monitoring system based on a wireless sensor with wireless communication function of claim 7, wherein the smart oilfield safety monitoring system based on a wireless sensor with wireless communication function comprises:

means for transmitting, by a first relay wireless terminal to the first wireless sensor in a first set of symbols of a first slot, a first sidelink control message in response to receiving the allocated sidelink time-frequency resource, wherein an indication of feedback resources for transmitting ACK/NACK is not included in the first sidelink control message;

means for transmitting, by a first relay wireless terminal, a first sidelink data message to the first wireless sensor in a second set of symbols of a first time slot in response to receiving the allocated sidelink time frequency resource, wherein the first sidelink data message comprises a request for monitoring data;

means for determining, by a first wireless sensor, whether the first side link control message has an indication of feedback resources for sending ACK/NACK in response to receiving the first side link data message;

means for determining, by a first wireless sensor, a resource for transmitting the oilfield security information in response to determining that the first sidelink control message does not have an indication of feedback resources for transmitting ACK/NACK, wherein the resource for transmitting the oilfield security information is indicated in the first sidelink control message;

means for transmitting, by a first wireless sensor, first oilfield security information to the first relay wireless terminal in a first time slot for transmission in response to determining resources for transmitting the oilfield security information, wherein the first oilfield security information occupies 2 OFDM symbols;

means for transmitting, by the first wireless sensor, a copy of the first oilfield security information to the first relay wireless terminal in a first time slot for transmission in response to determining the resource to transmit the oilfield security information.

9. The system of claim 8, wherein the system comprises:

means for transmitting, by a first relay wireless terminal to the second wireless sensor in a first set of symbols of a second slot, a second sidelink control message in response to receiving the allocated sidelink time-frequency resource, wherein the second sidelink control message includes an indication of feedback resources for transmitting ACK/NACK;

means for transmitting, by a first relay wireless terminal to the second wireless sensor in a second set of symbols of a second time slot, a second sidelink data message in response to receiving the allocated sidelink time frequency resource, wherein the second sidelink data message comprises a request for monitoring data;

means for determining, by a second wireless sensor, whether the second sidelink control message has an indication of feedback resources for sending ACK/NACK in response to receiving the second sidelink data message;

means for transmitting, by a second wireless sensor, an ACK message to the first relay wireless terminal in a third set of symbols of a second slot in response to determining that the second side link control message has an indication of feedback resources for transmitting ACK/NACK;

means for transmitting, by the second wireless sensor, a NACK message to the first relay wireless terminal in a third set of symbols of a second slot if the second wireless sensor does not correctly receive the second sidelink data message in response to determining that the second sidelink control message has an indication of feedback resources for transmitting ACK/NACK;

means for determining, by a second wireless sensor, a resource for transmitting the oilfield security information in response to transmitting an ACK message to the first relay wireless terminal, wherein the resource for transmitting the oilfield security information is indicated in the second sidelink control message;

means for transmitting, by a second wireless sensor, second oilfield security information to the first relay wireless terminal in a second time slot for transmission in response to determining the resources for transmitting the oilfield security information, wherein the second oilfield security information occupies 4 OFDM symbols;

means for transmitting, by the second wireless sensor, a copy of the second oilfield security information to the first relay wireless terminal in a third transmission-dedicated time slot in response to determining the resource for transmitting the oilfield security information.

10. The system of claim 9, wherein the system comprises:

means for transmitting, by a first relay wireless terminal, a third sidelink control message to the third wireless sensor in a first set of symbols of a third time slot in response to receiving the allocated sidelink time frequency resource, wherein the third sidelink control message includes an indication of feedback resources for transmitting ACK/NACK;

means for transmitting, by the first relay wireless terminal, a third sidelink data message to the third wireless sensor in a second set of symbols of a third time slot in response to receiving the allocated sidelink time frequency resource, wherein the third sidelink data message comprises a request for monitoring data;

means for determining, by a third wireless sensor, whether the third side link control message has an indication of feedback resources for sending ACK/NACK in response to receiving the third side link data message;

means for transmitting, by a third wireless sensor, an ACK message to the first relay wireless terminal in a first set of symbols of a fourth slot in response to determining that the third side link control message has an indication of feedback resources for transmitting ACK/NACK;

means for transmitting, by a third wireless sensor, a NACK message to the first relay wireless terminal in a first set of symbols of a fourth slot if the second wireless sensor does not correctly receive the second sidelink data message in response to determining that the second sidelink control message has an indication of feedback resources for transmitting ACK/NACK;

means for determining, by a third wireless sensor, a resource for transmitting the oilfield security information in response to transmitting an ACK message to the first relay wireless terminal, wherein the resource for transmitting the oilfield security information is indicated in the third sidelink control message;

means for transmitting, by the second wireless sensor, a copy of the third oilfield security information to the first relay wireless terminal in a fourth time slot for transmission in response to determining the resource to transmit the oilfield security information.