Virtual broadband transmitter and virtual broadband receiver
First Claim
Patent Images
1. A virtual broadband transmitting unit comprising:
- a stream generator to generate a multiplicity of data streams from an incoming media data stream; and
a transmission manager to control the uplink transmission of said multiplicity of data streams along a multiplicity of transmission channels to at least one wireless communication network, wherein the virtual broadband transmitting unit is for remote transport of live media data;
wherein the at least one wireless communication network comprises one or more cellular networks;
wherein said virtual broadband transmitting unit operates several transmitting modems to transmit media data through one or more cellular networks;
wherein the virtual broadband transmitting unit uses multiple transmitting modems in concert to create a virtual broadband upload connection, in which the sum total of the upload capacity of said multiple transmitting modems represent enough combined bandwidth for a generally live media transmission;
wherein the virtual broadband transmitting unit is associated with one or more modem drivers to manage one or more of the transmitting modems used to transmit packets;
wherein the packets are inequitably distributed amongst the transmitting modems by using an output buffer, a buffer controller, and a pull mechanism;
wherein each transmitting modem is able to perform at different levels over the course of a short period of time;
wherein each one of said transmitting modems is associated with a modem manager;
wherein each one of said associated modem managers comprises means to pull a next available data packet for transmission;
wherein each one of said modem managers is to feed its associated modem driver per a rate optimal under current prevailing conditions;
wherein each transmitting modem generates a separate logical channel, and wherein the separate logical channels constitute a virtual broadband connection;
wherein the virtual broadband connection is comprised of a multiplicity of logical channels being transmitted to one or more network operators, each of which operator operating one or more networks;
wherein the virtual broadband transmitting unit is associated with a traffic analyzer which uses packet statistics to optimize the quality and flow of a multiplicity of connections;
wherein the logical channels are transported to a virtual broadband receiver via one or more routes;
wherein each transmitting modem is capable of having different performance characteristics, and wherein the actual performance of each transmitting modem is impacted by one or more factors selected from the group consisting of;
modem speed, modem reliability, connection quality, operating license limitations, and network congestion.
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Abstract
A virtual broadband transmitting unit includes a stream generator to generate a multiplicity of data streams from an incoming media datastream, and a transmission manager to control the upload of the multiplicity of data streams along a multiplicity of transmission channels to at least one wireless communication network. A virtual broadband receiver includes means to receive a multiplicity of media data streams from a multiplicity of data connections, and an assembly engine to assemble the data streams into a single media stream.
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Citations
25 Claims
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1. A virtual broadband transmitting unit comprising:
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a stream generator to generate a multiplicity of data streams from an incoming media data stream; and a transmission manager to control the uplink transmission of said multiplicity of data streams along a multiplicity of transmission channels to at least one wireless communication network, wherein the virtual broadband transmitting unit is for remote transport of live media data; wherein the at least one wireless communication network comprises one or more cellular networks; wherein said virtual broadband transmitting unit operates several transmitting modems to transmit media data through one or more cellular networks; wherein the virtual broadband transmitting unit uses multiple transmitting modems in concert to create a virtual broadband upload connection, in which the sum total of the upload capacity of said multiple transmitting modems represent enough combined bandwidth for a generally live media transmission; wherein the virtual broadband transmitting unit is associated with one or more modem drivers to manage one or more of the transmitting modems used to transmit packets; wherein the packets are inequitably distributed amongst the transmitting modems by using an output buffer, a buffer controller, and a pull mechanism; wherein each transmitting modem is able to perform at different levels over the course of a short period of time; wherein each one of said transmitting modems is associated with a modem manager;
wherein each one of said associated modem managers comprises means to pull a next available data packet for transmission;wherein each one of said modem managers is to feed its associated modem driver per a rate optimal under current prevailing conditions; wherein each transmitting modem generates a separate logical channel, and wherein the separate logical channels constitute a virtual broadband connection; wherein the virtual broadband connection is comprised of a multiplicity of logical channels being transmitted to one or more network operators, each of which operator operating one or more networks; wherein the virtual broadband transmitting unit is associated with a traffic analyzer which uses packet statistics to optimize the quality and flow of a multiplicity of connections; wherein the logical channels are transported to a virtual broadband receiver via one or more routes; wherein each transmitting modem is capable of having different performance characteristics, and wherein the actual performance of each transmitting modem is impacted by one or more factors selected from the group consisting of;
modem speed, modem reliability, connection quality, operating license limitations, and network congestion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of virtual broadband transmission, comprising:
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organizing video data generated at a remote location into data packets; and uploading said data packets via a multiplicity of modems through at least one wireless communication network, wherein the method further comprises; generating a multiplicity of data streams from an incoming media data stream; controlling the uplink transmission of said multiplicity of data streams along a multiplicity of transmission channels to at least one wireless communication network, wherein the at least one wireless communication network comprises one or more cellular networks accessible from said remote location; operating several transmitting modems to transmit media data through one or more cellular networks; wherein the method uses multiple transmitting modems in concert to create a virtual broadband upload connection, in which the sum total of the upload capacity of said multiple transmitting modems represent enough combined bandwidth for a generally live media transmission; wherein the method utilizes one or more modem drivers to manage one or more of the transmitting modems used to transmit packets; wherein the packets are inequitably distributed amongst the transmitting modems by using an output buffer, a buffer controller, and a pull mechanism; wherein each transmitting modem is able to perform at different levels over the course of a short period of time; wherein the virtual broadband connection is comprised of a multiplicity of logical channels being transmitted to one or more network operators, each of which operators operating one or more networks; utilizing a traffic analyzer which uses packet statistics to optimize the quality and flow of a multiplicity of connections; transporting the logical channels to a virtual broadband receiver via one or more routes; wherein each transmitting modem is capable of having different performance characteristics, and wherein the actual performance of each transmitting modem is impacted by one or more factors selected from the group consisting of;
modem speed, modem reliability, connection quality, operating license limitations, and network congestion. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A virtual broadband receiver comprising:
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one or more receivers to receive a plurality of incoming media data streams carrying packets of encoded media from a plurality of routes, wherein each incoming media data stream was transmitted by a remote virtual broadband transmitter from a remote location along a transmission route that comprises at least one wireless communication network accessible from said remote location; an assembly engine (a) to receive as input the packets of said plurality of incoming media data streams per their order of arrival, and (b) to assemble said plurality of incoming media data streams into a single serial media stream of packets forming a media transmission from said remote location; wherein the assembly engine comprises a jitter buffer having a logical output window. - View Dependent Claims (21)
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22. A virtual broadband receiver comprising:
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one or more receivers to receive a plurality of incoming media data streams carrying packets of encoded media from a plurality of routes, wherein each incoming media data stream was transmitted by a remote virtual broadband transmitter from a remote location along a transmission route that comprises at least one wireless communication network accessible from said remote location; an assembly engine (a) to receive as input the packets of said plurality of incoming media data streams per their order of arrival, and (b) to assemble said plurality of incoming media data streams into a single serial media stream of packets forming a media transmission from said remote location; wherein the assembly engine is associated with an output rate controller to regulate a rate at which said single serial media stream of packets is released from said assembly engine; wherein said packets of encoded media arrive to said virtual broadband receiver in a generally non-serial order and are placed in a receiving window of a jitter buffer of said assembly engine; wherein said jitter buffer of the assembly engine comprises an activation window to store said packets of encoded media, and wherein a size of said activation window is generally close to a time-period required for reconstructing one or more missing data packets.
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23. A transmission management unit comprising:
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a transmission manager to manage uplink transmissions of multiplicity of packets of encoded live video, via a multiplicity of wireless communication modems that have different performance characteristics, according to performance of at least one of said wireless communication modems as said performance changes during at least one part of the course of an uplink session; wherein the transmission manager is associated with a video encoder, and wherein the transmission manager commands said video encoder to change its video encoding parameters according to the performance of at least one of the wireless communication modems.
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24. A system for transmitting a media stream from a first mobile unit to one or more other mobile units, end-to-end over at least one wireless communication network, the system comprising:
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a stream generator to generate a multiplicity of data streams from a media data; a transmission manager to control an uplink transmission of said multiplicity of data streams along a multiplicity of transmission channels to at least one wireless communication network, wherein the at least one wireless communication network comprises one or more cellular networks; wherein the transmission manager controls a plurality of transmitting modems to transmit packets of encoded media data through one or more cellular networks; wherein the transmission manager uses multiple transmitting modems in concert to create a virtual broadband upload connection; wherein the packets of encoded media data are inequitably distributed amongst the plurality of transmitting modems. - View Dependent Claims (25)
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Specification