Browse Prior Art Database

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Showing 11 - 20 of 369 results
  1. 11.
    This feature eliminates the inconvenience of writing down or remembering a phone number when calling directory assistance on a wireless PCS phone. Instead, directory assistance pushes the number directly to the phone book in the user's handset. One particularly important use case is when the user must drive and talk...
    IPCOM000009906D 2002-Sep-26
  2. 12.
    The following paper describes how the codeplug size of wireless communication devices can be reduced significantly using model and/or feature dependent dynamic data blocks instead of a simple static codeplug layout.
    IPCOM000009905D 2002-Sep-26
  3. 13.
    The current customer request concerning logging can be solved today only by the use of additional system technology to the main switching unit. This is effecting the system costs and brings us possibly out of the future competition
    IPCOM000009904D 2002-Sep-26
  4. 14.
    Instead of automatically starting the recording of voice messages on a mobile voice mail box, the caller initiates the recording.
    IPCOM000009903D 2002-Sep-26
  5. 15.
    A new diversity receiver is shown for improving the COMA forward link modem performance. The diversity gain of the receiver is quantified using computer simulations in a flat Rayleigh fading channel. The new proposed diversity receiver structure is simple to implement. The achievable gains in link performance,...
    IPCOM000009902D 2002-Sep-26
  6. 16.
    Current service providers, specifically the site service technician and supervisors that use Motorola cellular or PCS base site equipment, have a desire to obtain instant information on site availability for call processing regardless of their current location and time of day.
    IPCOM000009901D 2002-Sep-26
  7. 17.
    Traditional cellular systems make use of spatial separation to provide sufficient co-channel interference protection to allow frequency reuse. CDMA uses spreading codes to provide the needed co~channel separation between users, who all operate on the same frequency.
    IPCOM000009900D 2002-Sep-26
  8. 18.
    What is needed for the user of a text messaging device to monitor service usage is a counter which will measure the number of characters received or sent during a given billing cycle. This is very much like the user-resettable timer used in wireless telephones for the same purpose, but the primary difference is that...
    IPCOM000009899D 2002-Sep-26
  9. 19.
    This paper details a method of efficiently locating mobile radios participating in group calls. A priority is assigned to each group address held by a radio. The infrastructure can then locate a mobile radio by utilization of a priority-based search algorithm.
    IPCOM000009898D 2002-Sep-26
  10. 20.
    Secure two-way radio systems use encryption algorithms and keys to establish their security. Different Secure Systems are based on different proprietary or standard protocols and algorithms.
    IPCOM000009897D 2002-Sep-26