CN101662639A - 固定多媒体设备和移动多媒体设备间转移视频会话的方法 - Google Patents

固定多媒体设备和移动多媒体设备间转移视频会话的方法 Download PDF

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CN101662639A
CN101662639A CN200910167378A CN200910167378A CN101662639A CN 101662639 A CN101662639 A CN 101662639A CN 200910167378 A CN200910167378 A CN 200910167378A CN 200910167378 A CN200910167378 A CN 200910167378A CN 101662639 A CN101662639 A CN 101662639A
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J·迈松纳夫
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Alcatel Lucent SAS
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Abstract

本发明涉及固定多媒体设备和移动多媒体设备间转移视频会话的方法，转移被从转移设备(12，14)起操作至被转移设备(12，14)，转移和被转移设备在特定电信协议的基础上在它们各自的网络(18，24)内通信，该方法特征在于包括以下步骤：定义视频参数，所述视频参数标识在转移设备(12，14)中显示的视频内容；在经由至少一个服务器(17，19，30)传输的会话传送消息中从转移设备(12，14)的网络(18，24)向被转移设备的网络传送这样的视频参数，所述至少一个服务器将视频参数从转移设备协议适配成被转移设备协议；使用被传送到被转移设备网络的视频参数在被转移设备中显示视频内容，以便所述视频内容在转移设备和被转移设备中均被显示。

Description

固定多媒体设备和移动多媒体设备间转移视频会话的方法
背景技术
越来越多的用户选择性地通过移动设备或固定设备访问视频内容。例如，多媒体移动电话可以选择性地被与固定电视一起用于显示视频内容。
实际中，要强调的是，移动设备使用例如GPRS或3G的特定移动电信协议，所述特定移动电信协议不同于被考虑用于固定设备用途的诸如像互联网协议(IP)的协议。
尽管移动设备允许在移动中访问视频，例如，在公共传输上，它的显示质量一般受它的显示器的尺寸限制。
因此，在移动设备上开始视频会话的用户可能期待在更舒服的固定设备上继续这样的会话，所述固定设备例如在家里可以是允许的。
类似地，在固定设备上开始视频会话的用户可能期待在不得不离开该固定设备附近的地方时能够在移动设备上继续这样的会话。
为了用户从固定设备向移动设备或从移动设备向固定设备转移会话，已知有不同的方法：
-第一种方法以下被称为“SILO方法”。在这种情况中，固定和移动设备均是集成网络的一部分，在所述集成网络中，移动和固定设备之间的直接通信通常被标准化。
换言之，移动设备和固定设备使用例如与通信和控制相关的相同协议。
SILO方法有这样的缺点：按照定义，它不允许外部设备有与其内部设备传送或转移会话的机会。
-第二种方法以下被称为“IMS方法”，互联网多媒体子系统(IMS)方法，它是一种定义操作使互联网协议(IP)网络处理语音呼叫和数据会话的开放式标准化体系结构。
在这种情况中，IMS标准作为通用单元适用于不同的IP网络，以便在IMS用户之间、IMS用户和IP用户之间、或IP用户之间的多媒体会话和转移将基于相同的协议。
尽管电信运营商已宣布了IMS试验，但没有全面部署IMS网络。并且即使考虑这种未来部署，IMS网络也不允许已经存在的设备基于协议-IMS提供内容转移服务，它们不是为IMS准备的。
本发明旨在解决至少以上强调的问题之一，即，提供允许在固定和移动设备之间通过不同电信网络操作的转移的视频内容转移方法，以及实现可以与已经存在的设备一起被使用的转移方法。
发明内容
为此，本发明涉及一种在转移设备(migrating device)和被转移设备(migrated device)之间转移视频会话的方法，转移被从所述转移设备起操作至所述被转移设备，所述转移和所述被转移设备在特定电信协议的基础上在它们各自的网络内通信，所述方法特征在于它包括以下步骤：
-定义视频参数，所述视频参数标识在所述转移设备中显示的视频内容，
-在经由至少一个服务器传输的会话传送消息中从所述转移设备的网络向所述被转移设备的网络传送这样的视频参数，所述至少一个服务器将所述视频参数从转移设备协议适配成被转移设备协议，
-使用被传送到所述被转移设备网络的所述视频参数在所述被转移设备中显示所述视频内容，以便所述视频内容在所述转移设备和所述被转移设备中均被显示。
根据本发明的方法允许在已经存在的移动设备和固定设备之间转移视频内容。实际中，经由至少一个服务器实施这样的转移，所述至少一个服务器标识根据一个协议传输的视频参数，并且根据另一协议向所述转移设备发送这样的视频参数。
而且，所述方法允许转换所述视频参数，以便允许在不同电信网络之间传送它们，不管这些网络可以使用不同通信协议的事实。
在一个实施例中，在固定多媒体设备和移动多媒体设备之间操作所述转移。
在一个实施例中，所述固定多媒体设备是基于互联网协议接收视频节目的电视机。
在一个实施例中，所述方法包括向所述转移设备发送转移的要求的步骤。
在一个实施例中，所述会话传送消息被从转移设备平台向被转移设备平台传输，所述转移设备平台是所述转移设备网络的服务器，所述被转移设备平台是所述被转移设备网络的服务器。
在一个实施例中，所述会话传送消息的所述传输是基于互联网协议的。
在一个实施例中，所述视频参数包括至少在所述转移设备中显示的所述视频内容的标识和/或广播通道的标识，所述视频内容被从所述广播通道传输到所述转移设备。
在一个实施例中，小应用程序被关联到所述转移设备和所述被转移设备，以便转移的会话传送消息被一个服务器处理，所述服务器将在所述会话传送消息中包含的视频参数从所述转移设备协议转换成所述被转移设备协议。
本发明还涉及一种在转移设备和被转移设备之间转移视频会话的服务器，转移被从所述转移设备起操作至所述被转移设备，所述转移和所述被转移设备均基于特定电信协议通过它们各自的网络通信，所述服务器特征在于它包括用于以下的装置：
-接收视频参数，所述视频参数标识在所述转移设备中显示的视频内容，
-将所述视频参数从所述转移设备网络的协议适配成所述被转移设备网络的协议，
-基于所述被转移设备协议，向所述被转移设备网络传送这样的视频参数，以便所述视频内容在所述转移设备和所述被转移设备中均被显示。
附图说明
通过参考以下结合附图的详细描述，将更容易期待和更好地理解本发明以上各方面和很多附加优势，所述附图是本发明的两个可行实施例的图示。
具体实施方式
更精确地，表示用户10从固定多媒体设备12向移动多媒体设备14转移视频会话。
例如，该固定多媒体设备是从服务平台17接收电视节目的电视机屏幕，服务平台17可以通过互联网24广播电视节目，互联网24是该固定设备的电信网络。为此，该电视屏幕包括处理互联网协议(IP)信号的机顶盒16。
移动多媒体设备14在该实施例中可以是个人数字助理或“PDA”。它使用移动电信网络18，移动电信网络18包括服务器19，基于诸如GPRS或3G的特定移动电信协议。
根据本发明，通过在显示视频会话的设备(即，该例子中的固定电视12屏幕)上要求转移该视频会话，用户10可以操作这样的转移。
在要求20之后，会话传送消息22被从服务平台17发送到移动网络18的服务平台19。
为此，可以强调必须在服务平台17和19之间例如通过互联网24建立标准通信。
会话传送消息22内容包含视频参数，所述视频参数标识在固定设备12中显示的视频内容。例如，视频内容的标识或广播通道的标识可以是所述视频参数的一部分。
由此，服务平台17和19已从显示设备12向被转移设备14的网络18传送了所述视频参数，同时将所述视频参数适配成所述被转移设备协议。
因而，用户10可以访问被转移设备14中的视频内容，因为所要求的视频参数根据移动设备网络18协议已被传递到服务器19。
此后，服务器19可以向移动设备14广播所要求的视频会话，移动设备14发起显示在服务传送消息22中标识的内容的电视会话。
根据本发明的第二实施例，单个服务器30被结合特定小应用程序(applets)32和34使用，所述特定小应用程序32和34各自与电视机12和移动电话14相关。
通过这些小应用程序32和34，用户10可以通过要求从所述设备转移所述视频会话来操作这样的转移。为此，转移的要求36被服务器30直接处理，服务器30可以根据移动设备14的网络18协议将这样的要求36作为包含视频参数的会话传送消息处理，以便根据固定设备12的网络24协议在包含相同视频参数的会话传送消息38中转换它。
由此，本发明的该实施例不要求在不同网络之间传送消息。
尽管已相当详细地公开了本发明的优选实施例，在不背离本发明精神或范围的情况下，在所描述的方法中可以进行很多变化和改变。
实际中，本发明可以跨不同IP电视系统或电视机操作转移。例如，用户可以使用本发明来在不同的电视机上转移视频会话，诸如在他自己的电视机和/或邻居的电视机上。
在其它例子中，本发明允许用户通过若干基于IP的电视设备转移视频会话，例如在住宅内、或在不同移动电视系统或设备之间。

Claims (9)

1.一种在转移设备(12，14)和被转移设备(12，14)之间转移视频会话的方法，转移被从所述转移设备(12，14)起操作至所述被转移设备(12，14)，所述转移和所述被转移设备(12，14)在特定电信协议的基础上在它们各自的网络(18，24)内通信，所述方法特征在于它包括以下步骤：
-定义视频参数，所述视频参数标识在所述转移设备(12，14)中显示的视频内容，
-在经由至少一个服务器(17，19，30)传输的会话传送消息(22，36，38)中，从所述转移设备(12，14)的网络(18，24)向所述被转移设备(12，14)的网络(18，24)传送这样的视频参数，所述至少一个服务器(17，19，30)将所述视频参数从转移设备协议适配成被转移设备协议，
-使用被传送到所述被转移设备网络(18，24)的所述视频参数在所述被转移设备(12，14)中显示所述视频内容，以便所述视频内容在所述转移设备(12，14)和所述被转移设备(12，14)中均被显示。
2.根据权利要求1所述的方法，其特征在于，在固定多媒体设备(12)和移动多媒体设备(14)之间操作所述转移。
3.根据权利要求2所述的方法，其特征在于，所述固定多媒体设备(12)是基于互联网协议(IP)接收视频节目的电视机。
4.根据之前权利要求的任一项所述的方法，其特征在于，它包括向所述转移设备(12)发送转移的要求(20)的步骤。
5.根据之前权利要求的任一项所述的方法，其特征在于，所述会话传送消息(22)的传输是基于互联网协议的。
6.根据之前权利要求的任一项所述的方法，其特征在于，所述会话传送消息(22)被从转移服务平台(17)向被转移服务平台(19)传输，所述转移服务平台(17)是所述转移设备(12)网络(24)的服务器，所述被转移服务平台(19)是所述被转移设备(14)网络(18)的服务器。
7.根据之前权利要求的任一项所述的方法，其特征在于，所述视频参数包括至少在所述转移设备(12，14)中显示的所述视频内容的标识和/或广播通道的标识，所述视频内容被从所述广播通道传输到所述转移设备(12，14)。
8.根据之前权利要求的任一项所述的方法，其特征在于，小应用程序(32，34)被关联到所述转移设备(14)和所述被转移设备(12)，以便所述转移的会话传送消息(36)被一个服务器(30)处理，所述服务器(30)将在所述会话传送消息(36)中包含的视频参数从所述转移设备(14)协议转换成所述被转移设备(12)协议。
9.一种在转移设备(14)和被转移设备(12)之间转移视频会话的服务器(30)，转移被从所述转移设备(14)起操作至所述被转移设备(12)，所述转移和所述被转移设备(12，14)均基于特定电信协议通过它们各自的网络(18，24)通信，所述服务器(30)特征在于包括用于以下的装置：
-接收视频参数，所述视频参数标识在所述转移设备(14)中显示的视频内容，
-将所述视频参数从所述转移设备网络(18)的协议适配成所述被转移设备网络(24)的协议，
-基于所述被转移设备协议，向所述被转移设备(12)网络(24)传送这样的视频参数，以便所述视频内容在所述转移设备(14)和所述被转移设备(12)中均被显示。
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