Patent ID: 7447232
Filing Date: 2008-11-04
Classification: H04J,H04L,H04W

Abstract:
1. A method comprising: receiving a frame containing a single preamble and a header over an air interface at a first modulation rate; and receiving a consolidated payload in the frame, at a second modulation rate different from the first modulation rate, wherein the consolidated payload includes multiple service data units; wherein the consolidated payload further includes information indicating when an end of each of the multiple service data units will occur; wherein the information includes multiple delimiters, each delimiter preceding an associated one of the multiple service data units and including an indication of a length of the associated service data unit; wherein a particular one of the delimiters further includes a validation field, the method further comprising determining whether the particular delimiter is valid using information in the validation field, and if the particular delimiter is not valid, finding another delimiter received in the consolidated payload and receiving another service data unit associated with said another delimiter.