H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/52 (2006.01) H04H 20/82 (2009.01) H04J 3/02 (2006.01) H04N 5/00 (2006.01) H04N 7/167 (2006.01) H04N 7/173 (2006.01) H04N 7/20 (2006.01) H04N 7/24 (2006.01) H04N 7/58 (2006.01) H04H 1/10 (2006.01)
Patent
CA 2148270
2148270 9410775 PCTABS00032 A plurality of digital services (V'1-V'N' and A'1-A'N') are carried in a multiplex data stream (162) to a plurality of remote locations. The multiplex data stream (162) comprises a continuous sequence of frames (156). Each frame (156) comprises two consecutive fields, and each field comprises a plurality of lines. A first group of the lines in each field defines a transport layer region of that field, and a second group of the lines defines a service data region. Portions of the service data region of each field are allocated to respective ones of the video services in proportion to respective data rates of each service. A multiplex control packet is generated (104) for each field that specifies, for each service, which portion of the service data region is allocated to that service. A multiplex map (104) is transmitted with each field, and therefore, the number and location of packets may be dynamically adjusted on a per field basis.
Lucas Keith
Wasilewski Anthony J.
Gowling Lafleur Henderson Llp
Scientific-Atlanta Inc.
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