| Patent Number |
Title Of Patent |
Date Issued |
| 7369601 |
Code division multiple access receiver |
May 6, 2008 |
| Processing of a received code division multiple access, CDMA, burst (405) when a spreading factor of the CDMA burst (405) has been changed from an allocated spreading factor (SF.sub.0) to a new spreading factor (SF.sub.n). The received burst (405) is processed with a CDMA detector (3 |
| 7301930 |
Encoder and method for efficient synchronisation channel encoding in UTRA TDD mode |
November 27, 2007 |
| An encoder and method for efficient synchronization channel encoding in UTRA TDD mode by: producing a codeword a, where a=dG+z modulo-2, where d represents a predetermined code group to be encoded, G represents a predetermined generator matrix, and z represents a function of the code |
| 7266093 |
Method and arrangement for automatic frequency correction |
September 4, 2007 |
| A method and arrangement for automatic frequency correction in UTRA TDD mode, having a first stage (500) for frequency lock in idle mode, and a second stage (600) for receiving a channel estimate from beacon function (mx.sub.1), receiving a channel estimate from at least one other physic |
| 7242908 |
Method and arrangement for channel estimation in a wireless communication system |
July 10, 2007 |
| A method and arrangement (100) for PRACH burst channel detection in a UTRA TDD wireless communication system in which training sequences are constructed from a single periodic base code. Unwanted cross-correlation peaks, having magnitude less than correlation peaks, are removed (440) |
| 7099375 |
Chip rate invariant detector |
August 29, 2006 |
| A chip rate invariant detector (FIG. 2) is used in a wireless spread spectrum high capacity communications system which can accommodate two or more different chip rates. At a higher chip rate the data blocks are segmented into uniform suitable sizes for the detector which has an incr |
| 6865169 |
Cellular wireless internet access system using spread spectrum and internet protocol |
March 8, 2005 |
| A cellular wireless internet access system which operates in the 2.5 to 2.68 GHz band and which must comply with complex government regulations on power levels, subscriber equipment and interference levels yet which provides high data rates to users and cell sizes of 11/2 miles radius or |