---
+ Post New Thread
Results 1 to 4 of 4
  1. #1
    Full Member level 3
    Points: 2,987, Level: 12
    Achievements:
    7 years registered

    Join Date
    Mar 2007
    Posts
    155
    Helped
    55 / 55
    Points
    2,987
    Level
    12

    what is zero forcing

    I am working on MIMO BC, can any body help me for following.

    What is Zero Forcing (ZF) in Wireless Communications?

    Arif Khan

    •   Alt20th March 2007, 04:12

      advertising

        
       

  2. #2
    Junior Member level 3
    Points: 1,433, Level: 8

    Join Date
    Mar 2006
    Posts
    26
    Helped
    9 / 9
    Points
    1,433
    Level
    8

    zero forcing

    Hi Arif,

    ZF means when u have mutiple users and ur transmission is intended for one particular user and zero transmission (ideally) for others. But in practice there is interference for other users when u considering BC.

    I hopw this will help u.

    BR,
    Oz.


    1 members found this post helpful.

    •   Alt20th March 2007, 04:14

      advertising

        
       

  3. #3
    Full Member level 1
    Points: 2,046, Level: 10

    Join Date
    Dec 2005
    Posts
    119
    Helped
    90 / 90
    Points
    2,046
    Level
    10

    Re: What is Zero Forcing (ZF) in Wireless Communications?

    ZF is just a detector, which has the property that it inverts the channel (which introduces cross-talking) and consequently from each user's perspective, there is on interference from others, namely forcing interference to zeros.

    Turn to MIMO BC, I knew A.Goldsmith from Stanford has series of paper on this topic.



    •   Alt29th March 2007, 06:19

      advertising

        
       

  4. #4
    Newbie level 4
    Points: 1,065, Level: 7

    Join Date
    Apr 2007
    Posts
    7
    Helped
    1 / 1
    Points
    1,065
    Level
    7

    Re: What is Zero Forcing (ZF) in Wireless Communications?

    the word zero forcing in communiction particularly digital communication means that u have an equilizer that takes an input signal comming from a distant place contaminated with noise and distortion and ir u process this signal without passing it through this equilizer ur system is not go no work , one of the many reasons is that the signal strength is deteriorated....so when we pass a digital signal through a zero forcing equilier it detects the zero crossing of the incomming signal and in this way get and information about the phase , frequency of the incomming signal...and if there is a regenerative repeater also after as is in digital communication it would use the information provided by zero forcing equilizer and generate new pulses


    1 members found this post helpful.

+ Post New Thread
Please login