Wireless access method based on stepped radio frequency adjustment

Abstract

The invention belongs to the technical field of wireless communication, and discloses a wireless access method based on stepped radio frequency adjustment, which comprises the following steps: a transmitting terminal machine and a receiving terminal machine are included, the transmitting terminal machine and the receiving terminal machine judge whether the transmitting terminal machine and the receiving terminal machine are master nodes or slave nodes, the master node transmits access messages, and the slave nodes monitor the access messages. According to the invention, on the basis of a radio frequency grading control principle, a transmitting terminal machine starts to transmit a signal from the lowest grade of radio frequency during access, and if an access response of an access terminal machine is not received, the transmitting radio frequency is improved by one grade until the access response is received, so that safe access of omnidirectional beams is realized.

Description

Technical Field

[0001] The invention belongs to the technical field of wireless communications and relates to a wireless access method based on step radio frequency regulation. Background Art

[0002] In wireless transmission, the larger the radio frequency, the longer the transmission distance, and the higher the probability of being wirelessly intercepted. Therefore, in terms of the concealment and security of wireless transmission, it is hoped that the transmitting radio frequency is as small as possible.

[0003] Due to the complexity of wireless channels, various interference signals will appear in wireless transmission. The larger the radio frequency, the stronger the anti-interference ability will be. Therefore, for the sake of communication quality, it is hoped that the transmitting radio frequency is as large as possible.

[0004] In order to ensure the concealment of communication as much as possible under the premise of ensuring the communication quality, the present invention innovatively proposes a wireless access method based on step radio frequency adjustment. Summary of the invention

[0005] (I) Purpose of the invention

[0006] In order to achieve the concealment of communication as much as possible under the premise of ensuring the communication quality, the present invention provides a wireless access method based on step radio frequency adjustment to achieve secure access of omnidirectional beams.

[0007] (II) Technical solution

[0008] In order to solve the above technical problems, the present invention provides a wireless access method based on step radio frequency adjustment, which includes: a transmitter and a receiver, the transmitter and the receiver determine whether they are a master node or a slave node, the master node transmits an access message, and the slave node listens to the access message.

[0009] Among them, there is at least one transmitting terminal.

[0010] Among them, there is at least one receiving terminal.

[0011] Wherein, the transmitter and the receiver are both implemented through a wireless omnidirectional communication device.

[0012] Among them, in the wireless access method, power is turned on first, and the transmitter and the receiver determine whether they are the master node or the slave node according to the pre-set parameters.

[0013] When the master node transmits an access message, it first transmits the access message with the lowest radio frequency.

[0014] After receiving the access information from the node, the access response information is returned to the master node.

[0015] After the master node transmits the access message, the time for adjusting the radio frequency level is set to t. If no access response message is received from the slave node within t, the radio frequency is adjusted up one level and the access message is continued to be transmitted.

[0016] Among them, after the master node transmits the access message, if it receives the access response message from the slave node within time t, it maintains the current radio frequency level to achieve signal access.

[0017] (III) Beneficial effects

[0018] The wireless access method based on step RF adjustment provided by the above technical solution is based on the principle of RF grade control. When accessing, the transmitter starts to transmit signals from the lowest RF grade. If no access response is received from the access terminal, the transmitting RF grade is increased by one grade until the access response is received, thereby realizing safe access of omnidirectional beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of step RF adjustment in an embodiment of the present invention. DETAILED DESCRIPTION

[0020] In order to make the purpose, content and advantages of the present invention more clear, the specific implementation methods of the present invention are further described in detail below in conjunction with the drawings and examples.

[0021] This embodiment provides a wireless access method based on step radio frequency adjustment, including a transmitter and a receiver. The transmitter and the receiver determine whether they are a master node or a slave node. The master node transmits an access message with the lowest radio frequency, and the slave node listens to the access message.

[0022] There is at least one transmitter and at least one receiver.

[0023] Both the transmitter and the receiver are realized through a wireless omnidirectional communication device.

[0024] In the wireless access method, the implementation steps are as follows:

[0025] The first step is that after power-on, the wireless omnidirectional communicator determines whether it is a master node or a slave node based on the pre-set parameters.

[0026] In the second step, if it is a master node, it transmits an access message with the lowest radio frequency, and if it is a slave node, it starts to listen to the access message.

[0027] The third step is to set the time for adjusting the radio frequency level to t. If no access response message is received from the slave node within t time, a higher radio frequency level is selected to continue transmitting access messages.

[0028] Step 4: If an access response message is received from the slave node within time t, the current radio frequency level is maintained to achieve signal access.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A wireless access method based on step radio frequency adjustment, characterized in that: include: It includes a transmitter and a receiver. The transmitter and the receiver determine whether they are a master node or a slave node. The master node transmits an access message, and the slave node listens to the access message.

2. The wireless access method based on step radio frequency adjustment according to claim 1, characterized in that: There is at least one transmitting terminal.

3. The wireless access method based on step radio frequency adjustment according to claim 2, characterized in that: There is at least one receiving terminal.

4. The wireless access method based on step radio frequency adjustment according to claim 3, characterized in that: The transmitter and receiver are both implemented through wireless omnidirectional communication devices.

5. The wireless access method based on step radio frequency adjustment according to claim 4, characterized in that: In the wireless access method, power is first turned on, and the transmitter and the receiver determine whether they are the master node or the slave node according to the pre-set parameters.

6. The wireless access method based on step radio frequency adjustment according to claim 5, characterized in that: When the master node transmits an access message, it first transmits the access message at the lowest radio frequency.

7. The wireless access method based on step radio frequency adjustment according to claim 6, characterized in that: After receiving the access information from the node, it returns the access response information to the master node.

8. The wireless access method based on step radio frequency adjustment according to claim 7, characterized in that: After the master node transmits the access message, it sets the time for adjusting the radio frequency level to t. If it does not receive the access response message from the slave node within t, it adjusts the radio frequency to a higher level and continues to transmit the access message.

9. The wireless access method based on step radio frequency adjustment according to claim 8, characterized in that: After the master node transmits the access message, if it receives the access response message from the slave node within time t, it maintains the current radio frequency level to achieve signal access.

10. An application of the wireless access method based on step radio frequency adjustment according to any one of claims 1 to 9 in the field of wireless communication technology.

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