Evolved multimedia broadcast/multicast group call services(eMBMS) geo-location based group call
A technology of multimedia broadcasting and group calling, which is applied in the direction of broadcasting service distribution, service based on location information, and devices for branch offices to provide special services, etc. It can solve the problem of not allowing dynamic call settings, etc.
Inactive Publication Date: 2015-06-10
QUALCOMM INC
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Therefore, the target geographic area associated with the multicast call must be identified, the network components must be connected, and the list of group members needs to be pre-provisioned before the call begins, which results in a static group experience and does not allow for dynamic call setup
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[0029] Various aspects are disclosed in the following description and associated drawings. Alternative aspects may be devised without departing from the scope of the 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.
[0030] The words "exemplary" and / or "example" are used herein to mean "serving as an example, instance, or illustration." Any aspect described herein as "exemplary" and / or "example" should not necessarily be construed as preferred or advantageous over other aspects. Likewise, the term "aspects of the invention" does not require that all aspects of the invention include the discussed feature, advantage or mode of operation. Also, as used herein, the terms group communication, push-to-talk or similar variations are meant to refer to a server-mediated service between two or more devices.
[0031] The terminology used herein is for the purpose...
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The disclosure generally relates to techniques that may be used to coordinate an evolved multimedia broadcast / multicast services (eMBMS) geo-location based group call. More particularly, an eMBMS bearer may be established to support a group call based on a mapping among eMBMS network components that service a geographic area selected by an originator associated with the group call (e.g., an area that the call originator defines according to latitude and longitude coordinates, a selected region on a map that displays available group members in the selected region, network identifications, etc.). The group call may then be initiated over the established eMBMS bearer using network group identifiers associated with the call originator and one or more group members present in the selected geographic area and unicast service with a dedicated link to group members located outside the selected geographic area may be established to include such group members in the group call.
Description
[0001] Priority claims under 35 U.S.C. §119 [0002] This patent application asserts the benefits of U.S. Provisional Patent Application No. 61 / 695,814, filed August 31, 2012, entitled "Evolved Multimedia Broadcast / Multicast Group Call Service (eMBMS) Geographical Location-Based Group Calling" benefit, said United States Provisional Patent Application is assigned to the present assignee and is expressly incorporated herein by reference in its entirety. technical field [0003] The present invention relates generally to wireless communications and, more particularly, to techniques that can support group communications over broadcast and multicast services in cellular communications systems. 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 u...
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IPC IPC(8): H04W4/06H04W4/02H04W76/00H04W4/021
CPCH04W4/021H04W4/06H04W4/08H04W76/40H04L12/18
Inventor 基兰库马尔·安禅
Owner QUALCOMM INC