US2004190666A1PendingUtilityA1

Ultra wide band transmitter

46
Priority: Jun 21, 2000Filed: Apr 7, 2004Published: Sep 30, 2004
Est. expiryJun 21, 2020(expired)· nominal 20-yr term from priority
H04L 27/3405H04L 27/2003H04B 2001/6908H04L 27/0008
46
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Claims

Abstract

A transmitter system is provided. In one embodiment, the transmitter system includes a data modulation unit, which generates a stream of data that is synchronized with a master clock. The transmitter system additionally includes a transmitter that transmits the stream of synchronized data by way of an attached antenna. In another embodiment the transmitter system includes a Medium Access Control (MAC) layer. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the subject matter of the disclosure contained herein. This Abstract is submitted with the explicit understanding that it will not be used to interpret or to limit the scope or the meaning of the claims

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A transmitter Medium Access Control (MAC) layer, comprising: 
 a clock synchronization unit having a timing device with a clock speed;    at least one frequency divider coupled to said clock synchronization unit, said frequency divider configured to reduce said clock speed to generate a desired pulse repetition frequency;    at least one slot allocation unit coupled to said at least one frequency divider; and    a multiplexer/demultiplexer operatively coupled to said at least one slot allocation unit, said multiplexer/demultiplexer configured to merge a plurality of outgoing signals and configured to distribute a plurality of incoming signals.    
     
     
         2 . The transmitter MAC layer recited in  claim 1 , wherein each of said at least one slot allocation unit has a particular pulse repetition frequency.  
     
     
         3 . The transmitter MAC layer recited in  claim 1 , wherein each of said at least one slot allocation unit is configured to support different modulation techniques.  
     
     
         4 . The transmitter MAC layer recited in  claim 1 , wherein each of said at least one slot allocation unit is configured to support pulse amplitude modulation.  
     
     
         5 . The transmitter MAC layer recited in  claim 1 , where each of said at least one slot allocation unit is configured to support on-off keying.  
     
     
         6 . An ultra wide band transmitter Medium Access Control (MAC) layer, comprising: 
 a clock synchronization unit;    at least one frequency divider communicating with the clock synchronization unit, the frequency divider structured to generate a pulse repetition frequency;    at least one slot allocation unit communicating with the at least one frequency divider; and    a multiplexer/demultiplexer communicating with the at least one slot allocation unit, the multiplexer/demultiplexer structured to merge a plurality of outgoing ultra wide band pulses and configured to distribute a plurality of incoming ultra wide band pulses.    
     
     
         7 . The ultra wide band transmitter Medium Access Control (MAC) layer of  claim 6 , wherein the clock synchronization unit further comprises a timing device with a clock speed.  
     
     
         8 . The ultra wide band transmitter Medium Access Control (MAC) layer of  claim 6 , wherein each of the at least one slot allocation unit has a particular pulse repetition frequency.  
     
     
         9 . The ultra wide band transmitter Medium Access Control (MAC) layer of  claim 6 , wherein each of the at least one slot allocation unit is configured to support different modulation techniques.  
     
     
         10 . The ultra wide band transmitter Medium Access Control (MAC) layer of  claim 6 , wherein each of the at least one slot allocation unit is configured to support on-off keying.  
     
     
         11 . An ultra wide band Medium Access Control (MAC) layer, comprising: 
 a time division multiple access frame comprising a plurality of slots, with each slot configured to receive at least one ultra wide band pulse.    
     
     
         12 . The ultra wide band Medium Access Control (MAC) layer of  claim 11 , wherein the time division multiple access frame operates in an aloha mode.  
     
     
         13 . The ultra wide band Medium Access Control (MAC) layer of  claim 11 , wherein an ultra wide band pulse repetition frequency varies between different slots.  
     
     
         14 . The ultra wide band Medium Access Control (MAC) layer of  claim 11 , wherein an ultra wide band pulse position varies between different slots.  
     
     
         15 . The ultra wide band Medium Access Control (MAC) layer of  claim 11 , wherein an ultra wide band pulse amplitude varies between different slots.

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