Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Wireless interphone signal transmission method based on transfer platform

A wireless walkie-talkie and signal transmission technology, which is applied in radio relay systems, two-party line system stations, active electrical relay systems, etc., can solve the problems of communication distance limitation, many repeaters occupied, and terminal diffraction ability limited. , to achieve the effect of expanding coverage, increasing communication distance, and reducing communication blind spots

Inactive Publication Date: 2013-02-27
SHENZHEN TELETONE INFORMATION TECH
View PDF4 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in wireless walkie-talkies, air interface protocol standards such as DMR, DPMR, and PPT are usually used for signal transmission. There are often communication blind spots in the use process, and automatic call forwarding cannot be realized. The radio capability is limited, which leads to the limitation of the communication distance, and it cannot meet the forwarding function of the walkie-talkie well.
Therefore, the digital walkie-talkies on the market now start to use repeaters for forwarding, but they can only achieve inter-frequency forwarding, resulting in the need for repeaters to occupy too many frequencies

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Wireless interphone signal transmission method based on transfer platform
  • Wireless interphone signal transmission method based on transfer platform
  • Wireless interphone signal transmission method based on transfer platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 and figure 2 As shown, the signal transmission method of this embodiment includes the following steps:

[0029] 1) The burst frame is used as the basic unit for transmission, and each burst frame occupies a carrier frequency, which includes a time slot Slot1 and a time slot Slot2.

[0030] 2) The transmitting terminal MS1 transmits signals to the relay station BS and the receiving terminal MS2 in the time slot Slot1 of the carrier frequency, and at the same time the receiving terminals MS2, MS3, and MS4 receive the signals directly transmitted by the transmitting terminal MS1;

[0031] 3) The relay station BS receives the signal in the time slot Slot2 of the carrier frequency, and after the receiving state is switched to the forwarding state, it forwards the signal in the time slot Slot1 of the carrier frequency;

[0032] 4) The receiving terminals MS2, MS3 and MS4 receive the signal forwarded by the relay station BS in the time slot Slot2 of the car...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a wireless interphone signal transmission method based on a transfer platform, which comprises the following steps: (1) transmission is carried out with a burst frame as a base unit, wherein each burst frame occupies one carrier frequency; (2) a transmitting terminal transmits signals to the transfer platform and a receiving terminal at the time slot Slot1 of the carrier frequency, and simultaneously the receiving terminal receives the signal directly transmitted by the transmitting terminal; (3) the transfer platform receives signals at the time slot Slot2 of the carrier frequency and forwards the signals at the time slot Slot1 of the carrier frequency; (4) the receiving terminal receives the signals forwarded by the transfer platform at the time slot Slot2 of the carrier frequency and carries out preferential processing on the signals received at the time slot Slot1 and the time slot Slot2, so that a transmission cycle is completed after processing; and (5) next burst frame is started to transmit, and the step (2) is performed until all the signals are transmitted. Through the adoption of the method, the communication distance can be increased, the coverage range is expanded, the communication blind spots are reduced, and co-frequency forwarded signal transmission can be realized.

Description

technical field [0001] The invention relates to a signal transmission method, in particular to a repeater-based wireless walkie-talkie signal transmission method. It belongs to the technical field of wireless communication. Background technique [0002] With the rapid development of information technology, human society has entered a flourishing information age, and wireless communication is widely used in modern society, especially the communication technology of wireless walkie-talkies, which can be used in mobile one-to-many It is a terminal device for communication at one point, so that multiple people can communicate with each other and hear the same person at the same time. Therefore, it has been widely used in various fields such as transportation, transportation, construction, property, security, and government agencies. [0003] However, in wireless walkie-talkies, air interface protocol standards such as DMR, DPMR, and PPT are usually used for signal transmission....

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04Q5/24H04B7/15
Inventor 俞聿光张明韦忠于林胜
Owner SHENZHEN TELETONE INFORMATION TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products