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Method and apparatus for establishing spread spectrum communication    
United States Patent5455822   
Link to this pagehttp://www.wikipatents.com/5455822.html
Inventor(s)Dixon; Robert C. (Palmer Lake, CO); Vanderpool; Jeffrey S. (Colorado Springs, CO)
AbstractA method for establishing communications between a master unit and a plurality of node units. Of the plurality of node units, K node units are assumed to have established communications with a master unit. A first (K+1) node unit of the plurality of node units, desires to establish communications with the master unit. The method includes transmitting from the master unit, a base-station spread spectrum signal having a common signalling chip code, transmitting from the first node unit a second spread spectrum signal with a first identification code using the common-signalling chip code, transmitting from the master unit a third spread spectrum signal with a master unit identification code, using the common-signalling chip code. The method further includes generating at the first node unit using the master unit identification signal, a master unit chip code for transmitting spread spectrum signals to the master unit. Additionally, the method includes generating, at the master unit using the first identification code, a first node unit chip code for transmitting spread spectrum signals to the first node unit.
   














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Method and apparatus for establishing spread spectrum communication - US Patent 5455822 Drawing
Method and apparatus for establishing spread spectrum communication
Inventor     Dixon; Robert C. (Palmer Lake, CO); Vanderpool; Jeffrey S. (Colorado Springs, CO)
Owner/Assignee     Omnipoint Corporation (Colorado Springs, CO)
Patent assignment
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Publication Date     October 3, 1995
Application Number     08/161,187
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     December 3, 1993
US Classification     370/342 370/347 375/130 455/507
Int'l Classification     H04J 003/16 H04J 013/02 H04B 007/00
Examiner     Kizou; Hassan
Assistant Examiner    
Attorney/Law Firm     Lyon & Lyon
Address
Parent Case     RELATED APPLICATION DATA This application is a file wrapper continuation of U.S. application Ser. No. 07/957,457 filed on Oct. 5, 1992 now abandoned, which in turn is a file wrapper continuation of U.S. application Ser. No. 07/600,772 filed on Oct. 23, 1990 now abandoned, both of which applications were filed in the name of the same inventors as the present application.
Priority Data    
USPTO Field of Search     370/85.7 370/95.1 370/95.2 370/95.3 370/18 370/85.8 370/93 375/1 375/34 375/58 379/58 379/59 379/60 379/61 379/62 379/63 455/33 455/53 455/33.1 455/33.4 455/53.1 455/54.2 455/56.1 380/44 340/825.52
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