Unlock instant, AI-driven research and patent intelligence for your innovation.

Bi-directional amplifier for data over coax application

A bidirectional amplifier and power amplifier technology, applied in digital transmission systems, data exchange networks, data exchange through path configuration, etc., can solve the problems that amplifiers cannot support speed and other constraints

Inactive Publication Date: 2013-11-06
THOMSON LICENSING SA
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, often these amplifiers cannot support the desired speed and other constraints

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
  • Bi-directional amplifier for data over coax application
  • Bi-directional amplifier for data over coax application
  • Bi-directional amplifier for data over coax application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] To provide data services over existing coaxial cable TV systems (CATV), at least one embodiment deploys access points (APs) and stations (STAs) compliant with the Time Division Function (TDF) protocol in the cable access network. APs and STAs are connected via splitters in a hierarchical tree structure. In this way, a user at home can access a remote IP core network via a cable access network. Such as figure 1 As illustrated, a detailed network topology is illustrated.

[0028] as from figure 1 It can be seen that in this typical access network infrastructure, there are APs that comply with the TDF protocol, and the AP has an Ethernet interface connected to the IP core network and a coaxial cable interface connected to the cable access network. At the other end of the cable access network, there are STAs, ie, terminals, which comply with the TDF protocol, and are connected to the cable access network via a coaxial cable interface and to a home LAN (Local Area Network...

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

A disclosed bi-directional amplifier circuit allows the use of data over coaxial cable protocols (for example, MOCA) over existing and newly developed cable TV systems. Through the use of directional couplers on the AP side of the bi-directional amplifier, equal bi-directional power amplification can be achieved. According to a general aspect, an apparatus includes a bi-directional amplifier (1212) configured to amplify signals having a first direction and to amplify signals having a direction opposite the first direction. The apparatus also includes a bi-directional power detector (1202-1204) coupled to the bi-directional power amplifier so as (1) to detect power in a signal having the first direction before the signal having the first direction is amplified by the bi-directional power amplifier, and (2) to detect power in a signal having the opposite direction after the signal having the opposite direction is amplified by the bi-directional power amplifier.

Description

technical field [0001] The present principles relate to cable-based broadband communication networks. More specifically, it relates to bidirectional amplifiers and methods for implementing the same. Background technique [0002] Coaxial cables have been used and will continue to be used to carry data. One limitation to using coaxial cables to transmit data with other transmission protocols is the lack of transmission speed due to the constraints of coaxial cables and the limited bandwidth associated with coaxial cables. In cable networks, the use of time-division duplex bidirectional amplifiers has been considered. Often, however, these amplifiers cannot support the desired speed and other constraints. Contents of the invention [0003] According to a general aspect, an apparatus includes a bidirectional power amplifier unit configured to amplify a signal having a first direction and to amplify a signal having a direction opposite to the first direction. The apparatus ...

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 Patents(China)
IPC IPC(8): H04L12/00
CPCH04L12/2898H04N7/102H04L12/2801
Inventor 于劲飞顾洪明张俊彪马向坤
Owner THOMSON LICENSING SA