Dual framing bit sequence alignment apparatus and method

A dual-framing-bit-alignment apparatus comprising:

• means for generating a first data-bit sequence having a first framing-bit sequence;
• first means for transforming the first data-bit sequence to an encoded-bit sequence;
• means for substituting a second framing-bit sequence onto the encoded-bit sequence to generate a framed-encoded-bit sequence;
• second means for transforming the framed-encoded-bit sequence to a second data-bit sequence;
• means for detecting the first framing-bit sequence embedded in the second data-bit sequence, for detecting errors in the second data-bit sequence due to the second framing-bit sequence, and for generating an alignment signal;
• and
• means responsive to the alignment signal for aligning the detected errors with the first framing-bit sequence.

A dual-framing-bit-alignment apparatus for aligning a first framing-bit sequence embedded in a first data-bit sequence with a second framing-bit sequence embedded in an framed-encoded-bit sequence, comprising:

• means for transforming the framed-encoded-bit sequence to a second data-bit sequence;
• means coupled to said transforming means and responsive to the second data-bit sequence for detecting the first framing-bit sequence embedded in the second data-bit sequence, for detecting errors in the second data-bit sequence due to the transformed second framing-bit sequence, and for generating, responsive to the first framing-bit sequence and the detected errors, an alignment signal;
• and
• means coupled to said detecting means and responsive to the alignment signal for aligning the first framing-bit sequence in the first data-bit sequence with the detected errors in the second data-bit sequence.

A dual-framing-bit-alignment apparatus for aligning a first framing-bit sequence embedded in a first data-bit sequence with a second framing-bit sequence embedded in a framed-encoded-bit sequence, comprising:

• means for transforming the framed-encoded-bit sequence to a second data-bit sequence;
• means for detecting the first framing-bit sequence embedded in the second data-bit sequence;
• means for detecting errors in the second data-bit sequence due to the transformed second framing-bit sequence, and for generating, responsive to the detected first framing-bit sequence and the detected errors, an alignment signal;
• and
• means responsive to the alignment signal for aligning the first framing-bit sequence in the first data-bit sequence with the detected errors in the second data-bit sequence.

A dual-framing-bit-alignment apparatus for aligning a first framing-bit sequence embedded in a first data-bit sequence with a second framing-bit sequence embedded in a framed-encrypted-bit sequence, comprising:

• a decryptor for decrypting the framed-encrypted-bit sequence to a second data-bit sequence;
• means for detecting the first framing-bit sequence embedded in the second data-bit sequence;
• means for detecting errors in the second data-bit sequence due to the decrypted second framing-bit sequence, and for generating an alignment signal;
• and
• means responsive to the alignment signal for aligning the first framing-bit sequence in the first data-bit sequence with the detected errors in the second data-bit sequence.

A method using a dual-framing-bit-alignment apparatus for aligning a first framing-bit sequence embedded in a first data-bit sequence with a second framing-bit sequence embedded in an framed-encoded-bit sequence, comprising the steps of:

• decoding the framed-encoded-bit sequence as a second data-bit sequence;
• detecting the first framing-bit sequence embedded in the second data-bit sequence;
• detecting errors in the second data-bit sequence due to the decoded second framing-bit sequence;
• generating, responsive to the detected first framing-bit sequence and the detected errors, an alignment signal;
• and
• aligning the first framing-bit sequence in the first data-bit sequence with the detected errors in the second data-bit sequence.

A method using a dual-framing-bit-alignment apparatus comprising the steps of:

• generating a first data-bit sequence having a first framing-bit sequence;
• encrypting the first data-bit sequence as an encrypted-bit sequence;
• substituting a second framing bit sequence onto the encrypted-bit sequence to generate a framed-encrypted-bit sequence;
• transmitting the framed-encrypted-bit sequence with the second framing-bit sequence over said communications channel;
• decrypting the framed-encrypted-bit sequence as a second data-bit sequence;
• detecting the first framing-bit sequence embedded in the second data-bit sequence;
• detecting errors in the second data-bit sequence due to the second framing-bit sequence;
• generating an alignment signal;
• and
• aligning the detected errors with the first framing-bit sequence in the first data-bit sequence.

A method using a dual-framing-bit-alignment apparatus comprising the steps of:

• generating a first data-bit sequence having a first framing-bit sequence;
• encoding the first data-bit sequence as an encoded-bit sequence;
• substituting a second framing-bit sequence onto the encoded-bit sequence to generated a framed-encoded-bit sequence;
• decoding the framed-encoded-bit sequence as a second data-bit sequence;
• detecting the first framing-bit sequence embedded in the second data-bit sequence;
• detecting errors in the second data-bit sequence due to the second framing-bit sequence;
• generating an alignment signal;
• and
• aligning the detected errors with the first framing-bit sequence.

A method using a dual-framing-bit-alignment apparatus for aligning a first framing-bit sequence embedded in a first data-bit sequence with a second framing-bit sequence embedded in a framed-encoded-bit sequence, comprising the steps of:

• decoding the framed-encoded-bit sequence as a second data-bit sequence;
• detecting the first framing-bit sequence embedded in the second data-bit sequence;
• detecting errors in the second data-bit sequence due to the decoded second framing-bit sequence;
• generating, responsive to the first framing-bit sequence and the detected errors, an alignment signal;
• and
• aligning the first framing-bit sequence in the first data-bit sequence with the detected errors in the second data-bit sequence.

A method using a dual-framing-bit-alignment apparatus for aligning a first framing-bit sequence embedded in a first data-bit sequence with a second framing-bit sequence embedded in an encoded bit sequence, comprising the steps of:

• decoding the encoded bit sequence as a second data-bit sequence;
• detecting the first framing-bit sequence embedded in the second data-bit sequence;
• detecting errors in the second data-bit sequence due to the decoded second framing-bit sequence;
• and
• aligning the first framing-bit sequence in the first data-bit sequence with the detected errors in the second data-bit sequence.

A dual-framing-bit-alignment apparatus comprising:

• a data device for generating a first data-bit sequence having a first framing-bit sequence;
• an encoder for transforming the first data-bit sequence to an encoded-bit sequence;
• a framing-bit device for substituting a second framing-bit sequence onto the encoded-bit sequence to generate a framed-encoded-bit sequence;
• a decoder for transforming the framed-encoded-bit sequence to a second data-bit sequence;
• a second framing-bit repositioner for detecting the first framing-bit sequence embedded in the second data-bit sequence, for detecting errors in the second data-bit sequence due to the second framing-bit sequence, and for generating an alignment signal;
• and
• a first framing-bit repositioner responsive to the alignment signal for aligning the detected errors with the first framing-bit sequence.

A dual-framing-bit-alignment apparatus for aligning a first framing-bit sequence embedded in a first data-bit sequence with a second framing-bit sequence embedded in an framed-encoded-bit sequence, comprising:

• an decoder for transforming the framed-encoded-bit sequence to a second data-bit sequence;
• a second framing-bit repositioner coupled to said decoder and responsive to the second data-bit sequence for detecting the first framing-bit sequence embedded in the second data-bit sequence, for detecting errors in the second data-bit sequence due to the transformed second framing-bit sequence, and for generating, responsive to the first framing-bit sequence and the detected errors, an alignment signal;
• and
• a first framing-bit repositioner coupled to said second framing-bit repositioner and responsive to the alignment signal for aligning the first framing-bit sequence in the first data-bit sequence with the detected errors in the second data-bit sequence.