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Handover decision for IP services broadcasted on a DVB network

A handover decision-making and network technology, applied in broadcast service distribution, wireless network protocol, data exchange network, etc., can solve the problem that the handover decision is not so simple

Inactive Publication Date: 2009-03-25
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, handover decisions are not so simple when digital broadband transport networks are used to deliver IP services transported over multiple IP streams

Method used

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  • Handover decision for IP services broadcasted on a DVB network
  • Handover decision for IP services broadcasted on a DVB network
  • Handover decision for IP services broadcasted on a DVB network

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Embodiment Construction

[0013] In the following description of various embodiments, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustration various embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and various modifications may be made in structure and function without departing from the scope of the present invention.

[0014] figure 1 A mobile terminal 110 is shown moving within a digital broadband transmission network comprising cells 104 , 106 , 108 and 110 . Each cell represents the coverage area of ​​a transmitter. Transmitter transmissions can be broadcast, multicast or unicast. The mobile terminal 102 receives the four IP streams broadcast by the cell 104 . Specifically, the mobile terminal 102 receives IP flows A, B, C and D. FIG. Each IP flow can correspond to one or more IP services. Cell 106 broadcasts IP flows B, C and D. Cell 108 broadcasts IP flows A and...

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Abstract

Mobile terminals and methods are provided for making handover decisions based on the priority of IP streams that are being received by a mobile terminal. The IP streams currently being received or requested are ranked according to their priority. The selection of a new cell during the handover procedure is a function of the ranking of priorities.

Description

technical field [0001] The present invention relates to handover decisions for mobile terminals receiving Internet Protocol (IP) streams broadcast over digital broadband transmission networks. More specifically, the present invention relates to making handover decisions based on the priority of IP flows. Background technique [0002] The digital broadband transmission network is used to transmit digital data, including high-definition television (HDTV), multi-channel standard definition television (PAL / NTSC or SECAM), and, of course, broadband multimedia data and interactive services. An example of such a network is that defined by the Advanced Television Systems Committee (ATSC). Another example of such a network, popular in Europe and in other parts of the world, is Digital Video Broadcasting (DVB), which, like ATSC, is capable of transmitting IP data in addition to television content. ATSC and DVB also utilize containerization technology, which multiplexes transport con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/26H04W36/30H04W48/16H04W80/00H04L12/56H04W4/06H04W36/08
CPCH04N21/41407H04W72/005H04N21/44209H04N21/6112H04W48/16H04W36/30H04N21/64322H04W80/00H04W36/0007H04W72/30H04W36/302H04B7/2603
Inventor 贾尼·瓦尔
Owner NOKIA TECH OY