Method and architecture for TDMA receiver incorporating a unique word correlation control loop
First Claim
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1. A system comprising:
- a unique word correlator module operable to correlate a unique word field in a burst of a time division multiple access (TDMA) signal against a predefined sequence; and
automatic timing control circuitry coupled to the unique word correlator module, the automatic timing control circuitry operable to derive a number of errors that are allowable during correlation of the unique word field, wherein the automatic timing control circuitry comprises correlation error calculation circuitry operable to determine the actual number of errors occurring during correlation of the unique word field.
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Abstract
A system includes a unique word correlator module which correlates a unique word field in a burst of a time division multiple access (TDMA) signal against a predefined marker sequence. Automatic timing control circuitry is coupled to the unique word correlator module. The automatic timing control circuitry derives a number of errors that are allowable during correlation of the unique word field.
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Citations
8 Claims
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1. A system comprising:
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a unique word correlator module operable to correlate a unique word field in a burst of a time division multiple access (TDMA) signal against a predefined sequence; and
automatic timing control circuitry coupled to the unique word correlator module, the automatic timing control circuitry operable to derive a number of errors that are allowable during correlation of the unique word field, wherein the automatic timing control circuitry comprises correlation error calculation circuitry operable to determine the actual number of errors occurring during correlation of the unique word field.
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2. A system comprising:
a unique word correlator module operable to correlate a unique word field in a burst of a time division multiple access (TDMA) signal against a predefined sequence; and
p1 automatic timing control circuitry coupled to the unique word correlator module, the automatic timing control circuitry operable to derive a number of errors that are allowable during correlation of the unique word field, wherein the automatic timing control circuitry comprises a correlation error comparator operable to compare the derived number of allowable errors against an actual number of errors occurring during correlation of the unique word field.
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3. A system comprising:
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a unique word correlator module operable to correlate a unique word field in a burst of a time division multiple access (TDMA) signal against a predetermined sequence, wherein the unique word correlator module is operable to support a dynamic window within which the unique word field is allowably detected; and
automatic timing control circuitry coupled to the unique word correlator module, the automatic timing control circuitry operable to derive a number of errors that are allowable during correlation of the unique word field.
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4. A system comprising:
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a unique word correlator module operable to correlate a unique word field in a burst of a time division multiple access (TDMA) signal against a predefined sequence; and
automatic timing control circuitry coupled to the unique word correlator module, the automatic timing control circuitry operable to derive a number of errors that are allowable during correlation of the unique word field, wherein the automatic timing control circuitry is operable to use a current value for at least one parameter to derive the number of allowable errors. - View Dependent Claims (5)
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6. A method comprising:
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receiving a burst of a time division multiple access (TDMA) signal, the burst having a unique word field;
correlation the unique word field against a predefined sequence;
deriving a number of errors that are allowable during correlation of the unique word field; and
comparing the derived number of allowable errors against an actual number of errors occurring during correlation of the unique word field.
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7. A method comprising:
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receiving a burst of a time division multiple access (TDMA) signal, the burst having a unique word field;
correlation the unique word field against a predefined sequence; and
deriving a number of errors that are allowable during correlation of the unique word field, wherein deriving comprises using a current value for at least one parameter to derive the number of allowable errors. - View Dependent Claims (8)
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Specification