The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2006
Filed:
Jun. 17, 1999
Shivaling S. Mahant-shetti, Garland, TX (US);
Kiasaleh Kamran, Dallas, TX (US);
Shivaling S. Mahant-Shetti, Garland, TX (US);
Kiasaleh Kamran, Dallas, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A CDMA receiver is provided which is operable to receive a CDMA encoded signal and decode the information therein utilizing a selected code. The systems utilizes a plurality of multiply-accumulation blocks () which are operable to receive the signal and compare the received signal with a Walsh-Hadamard code. The comparison and the accumulation is made only in the middle of a chip clock with the edges thereof blanked. This information in the middle of the chip clock is accumulated in an accumulator, the MAC (), for a symbol period. This is then compared with a look up table and then a decision made as to the logic value thereof.