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EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICES (eMBMS) CLUSTER MANAGEMENT

A multicast group and media technology, applied in the direction of broadcast service distribution, connection management, branch office to provide special service devices, etc., can solve problems such as system performance damage

Active Publication Date: 2015-09-16
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for group communication services that require low latency and short times to set up group communication, the setup time of conventional multicast channels can be detrimental to system performance

Method used

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  • EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICES (eMBMS) CLUSTER MANAGEMENT
  • EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICES (eMBMS) CLUSTER MANAGEMENT
  • EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICES (eMBMS) CLUSTER MANAGEMENT

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Embodiment Construction

[0027] Aspects of the invention are disclosed in the following description and associated drawings directed to specific embodiments of the invention. Alternative embodiments may be devised without departing from the scope of the present invention. Additionally, well-known elements of the invention will not be described in detail or will be omitted so as not to obscure the relevant details of the invention.

[0028] The word "exemplary" is used herein to mean "serving as an example, instance, or instance." Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Likewise, the term "embodiments of the invention" does not require that all embodiments of the invention include the discussed feature, advantage or mode of operation. Additionally, as used herein, the term group communication, push-to-talk, or similar variations, is intended to mean a server-mediated service between two or more devices.

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Abstract

In an embodiment, a server determines a first support state for the group communication session that defines a first set of sectors belonging to a multicast / broadcast single frequency network (MBSFN) area for transmission of the session media for the group communication session via Internet Protocol (IP) multicast. The server then transitions the group communication session from the first support state to a second support state that defines a second set of sectors belonging to the MBSFN area for transmission of the session media for the group communication session via IP multicast. Before the transition, the server delivers the session media to the first set of sectors via IP multicast in accordance with the first support state. After the transition, the server delivers the session media to the second set of sectors via IP multicast in accordance with the second support state.

Description

[0001] Claim of priority under 35 U.S.C. §119 [0002] This application for patent claims priority to U.S. Application No. 61 / 748,956, filed January 4, 2013, and entitled "EVOLVED MULTIMEDIA BROADCAST / MULTICAST SERVICES (eMBMS) CLUSTER MANAGEMENT," which is assigned to this assignee, and is hereby expressly incorporated by reference in its entirety. technical field [0003] Embodiments relate to evolved multimedia broadcast / multicast service (eMBMS) cluster management. Background technique [0004] A cellular communication system can support two-way communication for multiple users by sharing available system resources. Cellular systems differ from broadcast systems, which may primarily or only support one-way transmissions from broadcast stations to users. Cellular systems are widely deployed to provide various communication services and may be, for example, Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) systems, Frequency Division Mul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/18H04W4/08H04W76/00
CPCH04W76/005Y02B60/50H04W72/005H04W4/06H04L12/185H04W4/08H04W76/45H04W72/30
Inventor 基兰库马尔·安禅阿尔温德·尚塔纳姆
Owner QUALCOMM INC