Adaptive multiplexing/demultiplexing method and multiplexer/demultiplexer therefor

Claim 2

An adaptive multiplexing/demultiplexing method in an H.324 system, the method comprising: (a) performing a first multiplexing/demultiplexing process having the complexity of the H.223 recommendation; (b) performing a second multiplexing/demultiplexing process having the complexity of the H.223/Annex A recommendation; and (c) inserting one or more intermediate multiplexing/demultiplexing processes steps having intermediate complexities relative to the steps (a) and (b).

Claim 3

The method of claim 1, wherein the intermediate multiplexing/demultiplexing process of the step (c) uses a high-level data link control (HDLC) flag having more bits than the H.223 recommendation.

Claim 4

The method of claim 2, wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 5

The method of claim 1, wherein the intermediate multiplexing/demultiplexing process of the step (c) comprises the substeps of: (c1) using a high-level data link control (HDLC) flag having more bits than the H.223 recommendation; and (c2) using a header having more bits than the H.223 recommendation.

Claim 6

The method of claim 4, wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 7

The method of claim 1, wherein the intermediate multiplexing/demultiplexing process of the step (c) comprises the substeps of: (c1) using a high-level data link control (HDLC) flag having more bits than the H.223 recommendation; (c2) using a header having more bits than the H.223 recommendation; and (c3) using error protection bits in either an adaptation layer or a multiplexer layer.

Claim 8

The method of claim 6, wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 9

An adaptive multiplexer/demultiplexer (MUX/DEMUX) in an H.324 system, comprising: an H.223 MUX/DEMUX; an H.223/Annex A MUX/DEMUX; and one or more intermediate MUX/DEMUXs between the H.223/Annex A MUX/DEMUX and the H.223 MUX/DEMUX, having intermediate complexities relative to the H.223/Annex A MUX/DEMUX and the H.223 MUX/DEMUX.

Claim 10

An adaptive multiplexer/demultiplexer (MUX/DEMUX) in an H.324 system, comprising: an H.223 MUX/DEMUX; an H.223/Annex A MUX/DEMUX; and one or more intermediate MUX/DEMUXs between the H.223/Annex A MUX/DEMUX and the H.223 MUX/DEMUX, having intermediate complexities relative to the H.223/Annex A MUX/DEMUX and the H.223 MUX/DEMUX.

Claim 11

The MUX/DEMUX of claim 8, wherein the one or more intermediate MUX/DEMUXs use a high-level data link control (HDLC) flag having more bits than the H.223 recommendation.

Claim 12

The MUX/DEMUX of claim 9, wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 13

The MUX/DEMUX of claim 8, wherein the one or more intermediate MUX/DEMUXs use a high-level data link control (HDLC) flag having more bits than the H.223 recommendation, and a header having more bits than the H.223 recommendation.

Claim 14

The MUX/DEMUX of claim 11, wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 15

The MUX/DEMUX of claim 8, wherein the one or more intermediate MUX/DEMUXs use a high-level data link control (HDLC) flag having more bits than the H.223 recommendation, a header having more bits than the H.223 recommendation, and error protection bits in either an adaptation layer or a mulitplex layer.

Claim 16

The MUX/DEMUX of claim 13, wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 17

An adaptive multiplexing/demultiplexing method in an H.324 system comprising: (a) performing a first multiplexing/demultiplexing process on a common data stream having a complexity and a performance of an H.223 recommendation; (b) performing a second multiplexing/demultiplexing process on the common data stream having a complexity and a performance of an H.223 Annex A recommendation; and (c) selectably inserting one or more intermediate multiplexing/demultiplexing processes steps operable to process the common data stream between steps (a) and (b), and multiplexing/demultiplexing processes having at least one of intermediate complexities relative to the steps (a) and (b) and intermediate performances relative to the steps (a) and (b), wherein the intermediate multiplexing/demultiplexing processes are selectively performed based on a transmission characteristic.

Claim 18

An adaptive multiplexing/demultiplexing method in an H.324 system comprising: (a) performing a first multiplexing/demultiplexing process on a common data stream having a complexity and a performance of an H.223 recommendation; (b) performing a second multiplexing/demultiplexing process on the common data stream having a complexity and a performance of an H.223 Annex A recommendation; and (c) selectably inserting one or more intermediate multiplexing/demultiplexing processes steps operable to process the common data stream between steps (a) and (b), and multiplexing/demultiplexing processes having at least one of intermediate complexities relative to the steps (a) and (b) and intermediate performances relative to the steps (a) and (b), wherein the intermediate multiplexing/demultiplexing processes are selectively performed based on a transmission characteristic.

Claim 19

The method of claim 15, wherein the third multiplexing/demultiplexing process of step (c) uses a high-level data link control flag having more bits than the H.223 recommendation.

Claim 20

An adaptive multiplexer/demultiplexer in an H.324 system comprising: an H.223 multiplexer/demultiplexer; an H.223 Annex A multiplexer/demultiplexer; and one or more intermediate multiplexer/demultiplexer disposed between the H.223 multiplexer/demultiplexer and the H.223 Annex A multiplexer/demultiplexer, said intermediate multiplexer/demultiplexer having at least one of intermediate complexity and intermediate performance relative to the H.223 multiplexer/demultiplexer and the H.223 Annex A multiplexer/demultiplexer, wherein said first, second and intermediate multiplexer/demultiplexer receive a common stream of input data and are selectably activated based on a transmission characteristic.

Claim 21

An adaptive multiplexer/demultiplexer in an H.324 system comprising: an H.223 multiplexer/demultiplexer; an H.223 Annex A multiplexer/demultiplexer; and one or more intermediate multiplexer/demultiplexer disposed between the H.223 multiplexer/demultiplexer and the H.223 Annex A multiplexer/demultiplexer, said intermediate multiplexer/demultiplexer having at least one of intermediate complexity and intermediate performance relative to the H.223 multiplexer/demultiplexer and the H.223 Annex A multiplexer/demultiplexer, wherein said first, second and intermediate multiplexer/demultiplexer receive a common stream of input data and are selectably activated based on a transmission characteristic.

Claim 22

The multiplexer/demultiplexer according to claim 17, wherein the intermediate multiplexer/demultiplexer uses a high-level data link control flag having more bits than the H.223 recommendation.