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US006891816B2
(12) United States Patent ao) Patent No.: us 6,891,816 B2
Smith et al. (45) Date of Patent: May 10,2005
Page 2
(21) Appl. No.: 09/882,270
(22) Filed: Jun. 14, 2001
(65) Prior Publication Data
US 2002/0034171 Al Mar. 21, 2002
Related U.S. Application Data
(63) Continuation ol application No. 08/811,108, filed on Mar. 3, 1997, now Pat. No. 6,272,121.
(51) Int. CI.7 H04B 7/216; H04J 13/02
(52) U.S. CI 370/335; 370/342; 370/349;
370/469; 375/142; 375/146; 375/150; 455/38.1;
455/450
(58) Field of Search 370/277, 280,
370/294, 329, 335, 337, 342, 347, 349, 465, 469; 375/130, 140, 141, 142, 146, 147, 150, 346, 347, 348; 455/38.1, 450, 451, 452, 507, 509, 517
(56) References Cited
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OTHER PUBLICATIONS
"Air Interface Consideration", Joint Experts Meeting, Rockell IntT. Nov. 9, 1992.
European digital cellular telecommunications system (phase
1); Mobile Station—Base Station System (MS-BSS) interface data link layer specification, I-ETS 300 021, May 1992. European digital cellular telecommunications system (phase
2); Mobile Station—Base Station (MS-BSS) inteface Data Link (DL) layer specification (GSM 04.06), ETS 300 555, Sep. 1994.
(Continued)
Primary Examiner—Alpus H. Hsu
(74) Attorney, Agent, or Firm—Stuart A. Whittington
(57) ABSTRACT
A spread spectrum transmitter adapted for transmitting input data streams from a DECT (Digital European Cordless Telecommunication System) MAC (medium-access control) layer, where the data streams conform to a DECT physical layer packet structure. A related spread spectrum receiver is also disclosed.
21 Claims, 9 Drawing Sheets