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Processing of requesting segments of a shared medium

A medium and shared communication technology, applied in electrical components, radio transmission systems, transmission systems, etc., can solve problems affecting system performance and other issues

Inactive Publication Date: 2010-01-13
VIASAT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the scheduled processing itself takes up too much of the shared communication medium, it can negatively affect the performance of the system

Method used

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  • Processing of requesting segments of a shared medium
  • Processing of requesting segments of a shared medium
  • Processing of requesting segments of a shared medium

Examples

Experimental program
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Embodiment Construction

[0032] The present invention relates to communications performed over a shared communications medium comprising a plurality of nodes. In particular, the invention relates to techniques used to allocate opportunities for transmission based on requests.

[0033] figure 1 A simplified network comprising a scheduler node 102 and a plurality of access nodes 104, 106, 108 and 110 using a shared communication medium is shown according to one embodiment of the invention. This configuration corresponds to a mode of operation referred to herein as "scheduled mode", which will be described as an illustrative example.

[0034] refer to figure 1 , the scheduler node 102 is used to control the use of the shared communication medium by the access nodes 104, 106, 108 and 110. A shared communication medium may represent any communication medium used by more than one node. For example, the shared communication medium may represent signal space on one or more satellite channels. Thus, acces...

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PUM

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Abstract

Methods and apparatuses are presented for conducting communications over a shared communication medium involving (a) sending a request from a first node, the shared communication medium organized to include (i) a request signal space including a plurality of request segments each having a different location within the request signal space and (ii) a scheduled transmission signal space including a plurality of scheduled transmission segments each having a different location within the scheduled transmission signal space, the request sent in a request segment, (b) obtaining an assignment associating the request with a scheduled transmission segment, the assignment taking into account location of the request, (c) from the first node, sending a data transmission in the scheduled transmission segment associated with the request, and (d); wherein the assignment is made remotely at a second node in response to the request as received at the second node, and a corresponding assignment message is communicated to the first node.

Description

[0001] Cross References to Related Applications [0002] This application claims priority benefit under 35 U.S.C.119(e) to U.S. Provisional Application 60 / 888,451, filed February 6, 2007, entitled "Symbol Oriented Reservation Request System For Controlling Access To AShared Communications Link," Registered Attorney No. 017018-014000US, Customer Reference No. VS-0239-US, the entire contents of which are hereby incorporated by reference. [0003] This application also claims the benefit of priority under 35 U.S.C. 119(e) of U.S. Provisional Application 60 / 895,143, filed March 16, 2007, entitled "Blipand Burst Multiple Access," Attorney Docket No. 017018-014400US, Customer Reference No. VS-0242-US, the entire contents of which are hereby incorporated by reference. Background technique [0004] In many applications, the communication medium is shared among many nodes. Nodes compete with each other for access to the shared communication medium. At any given moment, there may be ...

Claims

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Application Information

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IPC IPC(8): H04B7/185
Inventor 唐纳德·W.·贝克尔
Owner VIASAT INC
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