Patents Assigned to British Aerospace Space Systems Limited
  • Multi purpose digital signal regenerative processing apparatus
    Patent number: 5345439
    Abstract: A multi purpose digital signal regenerative processing apparatus (1) has three modulation sub-systems (2, 3 and 4) in parallel. Each sub-system is selectively selectable to enable a plurality of users to access, independently of one another, a sub-band of a frequency band in individually selectable access modes and modulation formats. The first sub-system (1) is operable in TDM format, the second (3) is operable in FDM or OFDM format and the third sub-system (4) is operable in CDM format.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: September 6, 1994
    Assignee: British Aerospace Space Systems Limited
    Inventor: Paul C. Marston