Modem, communications method of modem, and wireless charging method and device

Patent metadata

Field	Value
Publication number	US-2016277124-A1
Application number	US-201615167567-A
Country	US
Kind code	A1
Filing date	May 27, 2016
Priority date	Nov 29, 2013
Publication date	Sep 22, 2016
Grant date	—

Abstract

The present invention provides a communications method of a modem, including: determining a current power supply mode; if it is determined that the current power supply mode is that a network device is used to supply power by using a copper twisted pair, switching a communications interface from a fiber interface to an electrical interface, where the electrical interface connects to the network device by using the copper twisted pair and the fiber interface connects to a passive optical network by using an optical fiber. The present invention further provides a modem, and a wireless charging method and device. According to the technical solutions provided in the present invention, it is implemented that a service can still be provided after an external power supply is powered off.

First claim

What is claimed is:

1 . A communications method of a modem, wherein the method comprises:
determining a current power supply mode; and if it is determined that the current power supply mode is that a network device is used to supply power by using a copper twisted pair, switching a communications interface from a fiber interface to an electrical interface, wherein the electrical interface connects to the network device by using the copper twisted pair and the fiber interface connects to a passive optical network by using an optical fiber.

2 . The method according to claim 1 , wherein the method further comprises:
transmitting a data signal and/or a voice signal by using the electrical interface.

3 . The method according to claim 1 wherein the method further comprises:
communicating with a wireless communications network by using an access device of the wireless communications network, so as to transmit the data signal or transmit the voice signal and the data signal.

4 . The method according to claim 3 , wherein the wireless communications network is a 2G network, a 3G network, or a 4G network.

5 . The method according to claim 2 , wherein the data signal comprises a data signal of a digital subscriber line (xDSL) and/or a data signal of the passive optical network.

6 . The method according to claim 2 , wherein the transmitting a data signal by using the electrical interface comprises:
performing encapsulation processing on a digital signal by using an asynchronous transfer mode protocol ATM and an ATM adaptation layer protocol; and performing DSL front end line driving, so as to transmit, to the network device by using the copper twisted pair, a data signal that is obtained after encapsulation processing.

7 . The method according to claim 2 , wherein the transmitting a voice signal by using the electrical interface comprises: modulating the voice signal to the copper twisted pair.

8 . A communications method of a modem, wherein the method comprises:
determining a current power supply mode; and if it is determined that the current power supply mode is that a network device is used to supply power by using a copper twisted pair, switching a communications interface of a data signal from an electrical interface to a wireless communications module, wherein the electrical interface connects to the network device by using the copper twisted pair and the wireless communications module connects to a wireless communications network by using an access device of the wireless communications network.

9 . The method according to claim 8 , wherein the method further comprises:
communicating with the wireless communications network by using the access device of the wireless communications network, so as to transmit a data signal or transmit a voice signal and a data signal.

10 . The method according to claim 9 , wherein the wireless communications network is a 2G network, a 3G network, or a 4G network.

11 . The method according to claim 8 , wherein the method further comprises:
transmitting the voice signal by using the electrical interface.

12 . The method according to claim 8 , wherein the data signal comprises a data signal of a digital subscriber line xDSL and/or a data signal of a passive optical network.

13 . A wireless charging method, wherein the method comprises:
obtaining, by a wireless charging device, electrical energy that is supplied by a network device by using a copper twisted pair; and performing, by the wireless charging device, wireless charging on an external device by using the electrical energy.

14 . The method according to claim 13 , wherein the method further comprises:
detecting a load parameter of the wireless charging device; and performing output control on the wireless charging according to the detected load parameter.

15 . The method according to claim 14 , wherein the performing output control on the wireless charging according to the detected load parameter comprises:
if the load parameter is greater than an upper limit value of a preset load range, decreasing an output power at which the wireless charging is performed on the external device; or if the load parameter is less than a lower limit value of a preset load range, increasing an output power at which the wireless charging is performed on the external device.

16 . The method according to claim 13 , wherein the method further comprises:
communicating, by the wireless charging device, with a wireless communications network by using an access device of the wireless communications network, so as to transmit a data signal.

17 . The method according to claim 16 , wherein the wireless communications network is a 2G network, a 3G network, or a 4G network.

18 . The method according to claim 13 , wherein the method further comprises: communicating, by the wireless charging device, with the wireless communications network by using a wireless interface, so as to transmit the data signal.

19 . The method according to claim 18 , wherein the wireless interface is a Wi-Fi, Bluetooth, or infrared interface.

20 . A modem, wherein the modem comprises:
a determining module, configured to determine a current power supply mode; a fiber interface, configured to connect to a passive optical network by using an optical fiber; an electrical interface, configured to connect to a network device by using a copper twisted pair; and a processing module, configured to: when the determining module determines that the current power supply mode is that the network device is used to supply power by using the copper twisted pair, switch a communications interface from the fiber interface to the electrical interface.

21 . The modem according to claim 20 , wherein the processing module is further configured to transmit a data signal and/or a voice signal by using the electrical interface.

22 . The modem according to claim 20 , wherein the modem further comprises:
a wireless communications module, configured to communicate with a wireless communications network by using an access device of the wireless communications network, so as to transmit the data signal or transmit the voice signal and the data signal.

23 . The modem according to claim 22 , wherein the wireless communications network is a 2G network, a 3G network, or a 4G network.

24 . The modem according to claim 21 , wherein the data signal comprises a data signal of a digital subscriber line xDSL and/or a data signal of the passive optical network.

25 . The modem according to claim 21 , wherein the electrical interface transmits the data signal, and the electrical interface further comprises:
a decision feedback equalization DFE module, configured to perform encapsulation processing on a digital signal by using an asynchronous transfer mode protocol ATM and an ATM adaptation layer protocol; and a semiconductor laser diode LD module, configured to perform DSL front end line driving, so as to transmit, to the network device by using the copper twisted pair, a data signal that is obtained after encapsulation processing.

26 . The modem according to claim 25 , wherein the DFE module is integrated into the processing module.

27 . The modem according to claim 25 , wherein the electrical interface transmits the voice signal, and the electrical interface further comprises:
an active front end AFE modul

Assignees

• Huawei Tech Co Ltd

Inventors

• Li Shanfu
• Zhang Kai
• Zhou Daiqi
• Huo Dawei
• Huang Kangmin

Classifications

• H02J7/40

  characterised by the exchange of charge or discharge related data · CPC title

• H04L12/10

  Current supply arrangements · CPC title

• H04M11/066

  Telephone sets adapted for data transmision · CPC title

• H04Q11/0067

  Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring · CPC title

• H04M19/08

  with current supply sources at the substations (generating ringing current H04M19/04) · CPC title