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Method and apparatus for communicating in multiple modes

A mode, communication mode technology, applied in multiplex communication, wireless communication, data exchange through path configuration, etc.

Inactive Publication Date: 2010-09-22
THOMSON LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing systems exhibit various limitations

Method used

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  • Method and apparatus for communicating in multiple modes
  • Method and apparatus for communicating in multiple modes
  • Method and apparatus for communicating in multiple modes

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Embodiment Construction

[0040] at least for Figure 1-8 The discussion presents various embodiments that include one or more novel and inventive aspects or features. At least one of these embodiments provides a system for communicating data over cables using typical features of wireless systems. Specifically, at least one embodiment uses time division multiplexing over coaxial cable. Such a system allows, for example, cable television operators to provide television signals in one part of the spectrum and additional services on another part of the spectrum. The additional services may include, for example, Internet access, including access to search the Internet and view web pages on the Internet, and access to receive services on the Internet such as, for example, video-on-demand.

[0041] at least for Figure 9-20 The discussion of presents additional embodiments, and at least one of these additional embodiments extends the understanding of Figure 1-8 discussion. A particular implementation i...

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Abstract

An implementation provides sporadic uplink traffic transmission in a data over fixed line environment. A polling time slot can be added to the TDF superframe and can enable an access point to poll stations to determine whether an uplink channel for supporting sporadic user controlling messages (e.g., video on demand) over a cable access network. Such an implementation may eliminate the need for the TDF stations (STAs) to register with and request an uplink channel to the access point for receiving the sporadic user controlling messages. In an implementation, a frame structure (2100) is used for communication. The frame structure supports at least two communication modes. The communication modes include a time division mode in which a slot in the frame structure is reserved for a device and a polling mode in which a polling slot in the frame structure is used by multiple devices for data communication.

Description

technical field [0001] This disclosure is generally directed to various aspects of communication systems. Background technique [0002] Communication systems exist for connecting users with information. Such systems may use coaxial cables as well as wireless networks. Existing systems exhibit various limitations. Contents of the invention [0003] According to a general aspect, a frame structure is used for communication. The frame structure supports at least two communication modes. The communication modes include: a time division mode in which time slots in a frame structure are reserved for devices; and a polling mode in which data communication is performed by a plurality of devices using polling slots in the frame structure. [0004] According to another general aspect, a data-carrying signal is structured according to a format supporting multiple modes of communication. The signal includes a first portion structured into time slots for the time division communic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/00H04L12/403H04N7/10
CPCH04L12/2859H04L12/2874H04W74/04H04W74/02H04W88/06H04L12/2801H04W74/06
Inventor 于劲飞张志刚张俊彪
Owner THOMSON LICENSING SA