Wireless Transport Framework with Uncoded Transport Tunneling
Wireless transport of multiple service versions of a transport framework. First and second information may be processed for transmission, respectively, according to first and second service versions of a transport framework. The first and second information may be encoded using a first type of error correction coding; after processing, the processed first information may include error correction coding according to the first type of error correction coding, while the processed second information may remain uncoded according to the first type of error correction coding. Control information may be generated indicating that the second information remains uncoded according to the first type of error correction coding, which may signal to receivers that the second information is processed according to the second service version of the transport framework. Packets including the processed first information, the processed second information, and the control information may be generated and transmitted in a wireless manner.
1 . (canceled)
2 . A method for receiving an audiovisual stream by a mobile device in a wireless manner, wherein the mobile device comprises a receiver implementing a physical layer, the method comprising:
receiving a plurality of packets, wherein the plurality of packets comprises audiovisual information and encoded control information, wherein the encoded control information is modulated with a pseudorandom sequence, wherein the pseudorandom sequence is known by the mobile device;
decoding the encoded control information based at least in part on the pseudorandom sequence to obtain control information, wherein the control information comprises commands for modifying operation of the physical layer by the receiver;
processing the audiovisual information by the receiver according to the modified operation of the physical layer; and
presenting the audiovisual information on at least one of a display and one or more speakers of the mobile device.
3 . The method of claim 2 ,
wherein the control information further comprises second commands for modifying at least one second communication layer in the receiver, wherein the second commands are based on current parameters of the physical layer, wherein the method further comprises:
modifying the at least one second communication layer in the receiver according to the second commands.
4 . The method of claim 2 ,
wherein the plurality of packets is received over a wireless communication medium;
wherein the commands for modifying operation of the physical layer by the receiver are based at least in part on channel conditions of the wireless communication medium.
5 . The method of claim 2 ,
wherein the control information further comprises second commands for modifying at least one second communication layer in the receiver, wherein the second commands are based on current parameters of a plurality of communication layers, wherein the method further comprises:
modifying the at least one second communication layer in the receiver according to the second commands.
6 . The method of claim 2 ,
wherein the control information further comprises second commands for at least one second modification of the physical layer in the receiver, wherein the second commands are based on current parameters of a plurality of communication layers, wherein the method further comprises:
modifying the physical layer in the receiver according to the at least one second modification.
7 . The method of claim 2 , wherein the control information further comprises second commands for modifying one or more parameters in one or more of:
a presentation layer in the mobile device; and
a management layer in the mobile device.
8 . The method of claim 2 , wherein the control information further comprises at least one second command for changing one or more of:
a codec type used by the mobile device;
a transport configuration of packets received by the mobile device;
signaling used in packets received by the mobile device;
an announcement used in packets received by the mobile device;
an amount of forward error correction applied to received packets;
an encoding scheme used by the mobile device; and
a modulation scheme used by the mobile device.
9 . The method of claim 2 ,
wherein the audiovisual information comprises audiovisual information meant for stationary devices, wherein the plurality of packets further comprises error correction intended to improve mobile reception of the audiovisual information meant for stationary devices.
10 . The method of claim 2 ,
wherein the control information is located in a different one or more packets of the plurality of packets than the audiovisual information.
11 . A mobile device configured to receive audiovisual information, wherein the mobile device comprises:
a display;
one or more speakers; and
a receiver implementing a physical layer, wherein the mobile device is configured to:
receive a plurality of packets, wherein the plurality of packets comprises audiovisual information and encoded control information, wherein the encoded control information is modulated with a pseudorandom sequence, wherein the pseudorandom sequence is known by the mobile device;
decode the encoded control information based at least in part on the pseudorandom sequence to obtain control information, wherein the control information comprises commands for modifying operation of the physical layer by the receiver;
process the audiovisual information by the receiver according to the modified operation of the physical layer; and
present the audiovisual information on at least one of the display and the one or more speakers of the mobile device.
12 . The mobile device of claim 11 ,
wherein the control information further comprises second commands for modifying at least one second communication layer in the receiver, wherein the second commands are based on current parameters of the physical layer, wherein the mobile device is further configured to:
modify the at least one second communication layer in the receiver according to the second commands.
13 . The mobile device of claim 11 ,
wherein the plurality of packets is received over a wireless communication medium;
wherein the commands for modifying operation of the physical layer by the receiver are based at least in part on channel conditions of the wireless communication medium.
14 . The mobile device of claim 11 ,
wherein the control information further comprises second commands for modifying at least one second communication layer in the receiver, wherein the second commands are based on current parameters of a plurality of communication layers, wherein the mobile device is further configured to:
modify the at least one second communication layer in the receiver according to the second commands.
15 . The mobile device of claim 11 ,
wherein the control information further comprises at least one second command for modifying one or more of:
one or more parameters in a presentation layer in the mobile device;
one or more parameters in a management layer in the mobile device;
a codec type used by the mobile device;
a transport configuration of packets received by the mobile device;
signaling used in packets received by the mobile device;
an announcement used in packets received by the mobile device;
an amount of forward error correction applied to received packets;
an encoding scheme used by the mobile device; and
a modulation scheme used by the mobile device.
16 . The mobile device of claim 11 ,
wherein the audiovisual information comprises audiovisual information meant for stationary devices, wherein the plurality of packets further comprises error correction intended to improve mobile reception of the audiovisual information meant for stationary devices.
17 . A non-transitory computer-readable memory medium storing program instructions for receiving audiovisual information by a mobile device in a wireless manner, wherein the mobile device comprises a receiver implementing a physical layer, wherein the program instructions are executable to cause the mobile device to:
receive a plurality of packets, wherein the plurality of packets comprises audiovisual information and encoded control information, wherein the encoded control information is modulated with a pseudorandom sequence, wherein the pseudorandom sequence is known by the mobile device;
decode the encoded control information based at least in part on the pseudorandom sequence to obtain control information, wherein the control information comprises commands for modifying operation of the physical layer by the receiver;
process the audiovisual information by the receiver according to the modified operation of the physical layer; and
present the audiovisual information on at least one of a display and one or more speakers of the mobile device.
18 . The non-transitory computer-readable memory medium of claim 17 ,
wherein the control information further comprises second commands for modifying at least one second communication layer in the receiver, wherein the second commands are based on current parameters of the physical layer, wherein the program instructions are further executable to cause the mobile device to:
modify the at least one second communication layer in the receiver according to the second commands.
19 . The non-transitory computer-readable memory medium of claim 17 ,
wherein the plurality of packets is received over a wireless communication medium;
wherein the commands for modifying operation of the physical layer by the receiver are based at least in part on channel conditions of the wireless communication medium.
20 . The non-transitory computer-readable memory medium of claim 17 ,
wherein the control information further comprises at least one second command for modifying one or more of:
one or more parameters in a presentation layer in the mobile device;
one or more parameters in a management layer in the mobile device;
a codec type used by the mobile device;
a transport configuration of packets received by the mobile device;
signaling used in packets received by the mobile device;
an announcement used in packets received by the mobile device;
an amount of forward error correction applied to received packets;
an encoding scheme used by the mobile device; and
a modulation scheme used by the mobile device.
21 . The non-transitory computer-readable memory medium of claim 17 ,
wherein the audiovisual information comprises audiovisual information meant for stationary devices, wherein the plurality of packets further comprises error correction intended to improve mobile reception of the audiovisual information meant for stationary devices.