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Reservation request improvements

A technology for requesting signals and sending requests, applied in electrical components, radio transmission systems, transmission systems, etc., and can solve problems affecting system performance, etc.

Inactive Publication Date: 2010-02-03
VIASAT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the reservation process itself occupies too much of the shared communication medium, it can negatively affect the performance of the system

Method used

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  • Reservation request improvements
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Examples

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Embodiment Construction

[0031] The present invention relates to communication performed on a shared communication medium including a plurality of nodes. The present invention particularly relates to techniques used to allocate opportunities for transmission based on requests.

[0032] figure 1 A simplified network including a scheduler node 102 and a plurality of access nodes 104, 106, 108, and 110 using a shared communication medium according to an embodiment of the present invention is shown. This configuration corresponds to an operation mode referred to herein as "scheduling mode", which will be described as an illustrative example.

[0033] reference 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. The shared communication medium may represent any communication medium used by more than one node. For example, a shared communication medium may represent signal space on one or more satellite channels. Therefore...

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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 a request signal space and a scheduled transmission signal space, the request signal space including a plurality of request segments each having a different location within the request signal space, the scheduled transmission signal space including a plurality of scheduled transmission segments each having a different location within the scheduled transmission signal space, the request sentin a request segment, (b) obtaining an assignment associating the request with a scheduled transmission segment, and (c) from the first node, sending a data transmission in the scheduled transmissionsegment associated with the request in accordance with the request, and (d); wherein a collection of request segments in the plurality of request segments is separated by a guard zone from an adjacent collection of scheduled transmission segments in the plurality of scheduled transmission segments.

Description

[0001] Cross reference of related applications [0002] This application is based on 35U.SC119(e) claiming the priority rights of U.S. Provisional Application 60 / 888,451 filed on February 6, 2007, entitled "SymbolOriented Reservation Request System For Controlling Access To A Shared Communications Link", registered as an agent No. 017018-014000US, customer reference No. VS-0239-US, the entire contents of which are incorporated herein for reference. In accordance with 35U.SC119(e), this application also claims the priority rights of the U.S. Provisional Application 60 / 895,143 filed on March 16, 2007, entitled "Blip and Burst Multiple Access", attorney registration No.017018- 014400US, customer reference number No.VS-0242-US, the entire content of which is incorporated herein for reference. Background technique [0003] In many applications, the communication medium is shared among many nodes. The nodes compete with each other to access the shared communication medium. At any give...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185
Inventor 唐纳德·W.·贝克尔
Owner VIASAT INC
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