Uplink signal processing system
A signal processing and carrier signal technology, applied in the field of data communication, can solve problems such as high cost, large investment cost, and inability to pass through optical fibers, and achieve the effect of reducing construction work and communication costs
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Embodiment 1
[0018] This embodiment provides an uplink signal processing system, such as figure 1 As shown, the system includes:
[0019] The terminal device 14 is used to receive the digital signal sent by the first user terminal 15, convert the digital signal into a carrier signal, and send the carrier signal; the terminal device 14 can be a device provided with a carrier signal processing chip, such as a power The function of the modem is to process and convert the digital signal conforming to the IEEE 802.3 standard sent by the first user terminal 15 into an analog electrical signal suitable for transmission on the power line, which is used to represent uplink communication data. Specifically, the digital signal conforming to the IEEE802.3 standard received from the device port is converted into a carrier analog signal suitable for power cable transmission through encryption, coding, and modulation processing.
[0020] The relay device 13 is connected to the terminal device 14 through...
Embodiment 2
[0035] This embodiment provides an uplink signal processing method, such as image 3 As shown, the method includes:
[0036] S1, the terminal device receives the digital signal sent by the first user terminal, converts the digital signal into a carrier signal, and sends the carrier signal; the terminal device can be a device equipped with a carrier signal processing chip, such as a power modem, its function The digital signal conforming to the IEEE 802.3 standard sent by the first user terminal is processed and converted into an analog electrical signal suitable for transmission on the power line, which is used to represent uplink communication data. Specifically, the digital signal conforming to the IEEE802.3 standard received from the device port is converted into a carrier analog signal suitable for power cable transmission through encryption, coding, and modulation processing.
[0037] S2. The relay device receives the carrier signal, gains the carrier signal, and sends t...
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