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File delivery session handling

A file delivery and timer technology, applied to electrical components, transmission systems, etc., can solve the problem that the receiver cannot know when to receive the file broadcast

Inactive Publication Date: 2007-05-30
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

so the receiver has no way of knowing when it has received the whole file broadcast

Method used

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  • File delivery session handling
  • File delivery session handling
  • File delivery session handling

Examples

Experimental program
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Effect test

Embodiment Construction

[0034] In FIG. 1 a mobile station in the form of a mobile phone handset 1 receives broadcast data from a DVB-H broadcaster B connected via a network 2 such as the Internet to a content server 3 which can download data content to the mobile handset 1 . The content server 3 has an associated billing server 4 for billing subscribers for downloaded content.

[0035] The handset 1 comprises a microphone 5 , a keypad 6 , soft keys 7 , a display 8 , a headset 9 and an internal antenna 10 . The mobile phone 1 has dual functions of voice operation and data operation. For example, the handset may be configured for use with a GSM network and may be capable of DVB-H operation, although those skilled in the art will recognize that other networks and signaling protocols may be used. Signal processing is performed under the control of the controller 11 . The associative memory 12 includes a larger capacity non-volatile solid-state memory for storing data downloaded from the content server ...

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PUM

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Abstract

In receiving a file delivery session in which file delivery tables (FDTs) identify Transport Objects (TOs) transmitted along with the FDTs, a receiver determines whether the files of the session have been received using a number of timers. A fragment wait timer t1 is started for each new TO declared in an FTD when that FDT is received. Each timer is cancelled when at least a fragment of the corresponding TO is received. Alternatively, a single timer is cancelled when at least a fragment of all the TOs have been received. A new object wait timer t3 is started when all the TOs declared in an FDT are received, and is cancelled when a new FDT is received. One of a number of table wait timers t2 is started whenever a TO which is not declared in any received FDT is received, and is cancelled when an FDT declaring that object is received. The file delivery session is left if any timer expires. If following expiry of a timer it is deemed that the file delivery session has almost been received fully, the session is left after a short period of time, so as to allow the session to be fully received.

Description

technical field [0001] The present invention generally relates to resource delivery over digital communication systems. The invention relates in particular to a receiver module for receiving data transmitted in a file delivery session and a method of processing a file delivery session. The invention also relates to a network node operable for a file delivery session and a transmitter operable for a file delivery session. Background technique [0002] FLUTE is a project managed under the control of the Internet Engineering Task Force (IETF). FLUTE defines a protocol for unidirectional delivery of files over the Internet. The protocol is particularly well suited for multicast networks, although the technique is equally applicable for use with unicast addressing. The FLUTE specification builds on Asynchronous Layered Coding (ALC), a fundamental protocol designed for massively scalable multicast distribution. ALC defines the transfer of arbitrary binary objects and is propos...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L67/06H04L29/08576H04L69/28H04L67/142H04L29/06993H04L29/08117H04L29/08594H04L67/14
Inventor 托尼·佩拉托皮·波若莱南
Owner NOKIA TECHNOLOGLES OY