Adaptive Channel Access Tuning and Qos support for ... - IEEE Xplore

Proceedings of the 5th International Conference on IT & Multimedia at UNITEN (ICIMU 2011) Malaysia

14 – 16 November 2011

  

          

        !! "#$

   % &'&(

/0   

)         

* +(      '

, - . '

)         

* +(      '

, - . '









 

                 !  ! !"#$%&!'$%!' (!)$* $ !  !  ! !+  )  ! !      & !!   , !*      ! & & !! ! !) !   *)!! ) !#& !      !$    

 %& ! '$ %!' &      "  ! ! " &       -!!    !   !! !!    *  &* !  & %!' .     & & -(/    ! !   '!       !   !!      !    !$ %!'!!  

'   

        +   

 7 '         4 

     4        '   

      '   

   -  

   

        8'   

        '    -    

    

     !! "#$

        ! "#$%&'  ( ) "& *%+  ',

   +  '   4.    

     !! )    5?685!6-

        " 4 :"<   

      

 (    

      /4  -  '   ' 

 '      .   8    

 +   +      

-   

' -    -  . 9      "  

 +  '     + +      

   !! "#$    -  4'      

"  '     4    9 '  

 

  '    4-        " 

 4        8 

  $12)32$

  !! "#$          

 +      '  4      

       5!6 $4'-     ' + 

  +'-  7+'   8      

 -      +      

       4 '      9  

   +    '

)    '  4    

-   

   +      '   

      /4  -        

    '    !!       

:;<    

4.    -     '

4  '- =         

    >;     

  '

  4   ' 

          !!   

 9       -  

            !! 56 

 !!   +          

.       4    

    - 

       /4  -  

4

     4+.   

  4 8 . 4      +  5?6 @ '- 

 !!  

  +    4 

     4      +

      4         

  

978-1-4577-0989-0/11/$26.00 ©2011 IEEE

  +     '     +' +  

;/A       8'      +

         ' +'     

    ' :;/A<  +    

            " 4 :"
;

   4     

            4 

   >;      4    9  

 -         -     "    

>;

        ++'-  '   = 

   -       "    + 

      8    8  

      4  % ?

;      ; -    

+   +      

    +  

      -       

       : x <  ,

               

€

           € x   

+'    

    4     " 

 7        :!   

     3#2$

          4  '( 

+'      2$    pp

             

-     '      !!  

  4  +    + ?

4 6 7   





  ( !q 8 !^ @'

@  

! 8 !!

+

+             !!+

4 )

; +

/  

 

>  

> 





.

0   ^

!z

k

!



!

?

!

!!

5" , !

^

!

!z

!!

!-!

!!

!z-z

!!

]]-]

!!

!!q-?q

!!

-zz

!

!



^q



% ^

1     ++'     +   

      -  

+   k  -   

               

>    *]!!    >    

! +' : <          !^ +'

        +  + 4  4   

 4      +

    $1 7 

   

     4 $1       

4   " 7         '

+                

     4     !! ) 

    % q-     "   ' 

         4   - '  

    "      -   4

              

  

    9    9 '-    =  "

   '-  (   ++'    

 +          ' + 

   -         

         )

+ ?   !!          

           4 

% k $ 4.    +'   !! @  

  :@< 4 4          ; 



    4 

4.        

      7      

% q

        '    



% k

  !!

4.    

    - 4 7      

++'      +       

  "        % ^-   

+   +      

   -   "

           +'     ++'

  2     -   

+   +

   4-   "    +     

 

 '    -           

          +  

+

      '  

 -   =

:       <  "    '   (

  ++'   7(    

% ]  4           

      )        '

       )    =  " '

4        8 -      

 ++'    - 4       

     2        "

   '            4 

     

    9  4    

     -        

         +'       

    

       9 

2 '   .         " x '  

        

  /4  -    

  % ]-         " x   

  ++'-     " x    

             @  -

    "       '   

     +      '   

 -      -  '      

             





% ]

2       

     - 4 7     "

     9'        

  ) %   4    4    ' 

>;     4    '      

            

9     4    '       ;

@ '-      9         '

2       +  "  

            /4  - 

   "          '  

 ++'    4.   '   

  @  -         " x

    

+   +

     

-

 ' ' 4          

 

    ' )       7 

+ -       9' +'    

 '-  '          

$'-         : 

 9         '<      !

:   ]    *]!!   <  

+  

 

   

    -          

    ‚       

   

       

+   +    

 

     '    -       

 '           8

   -       

     



  +'      "   %  



% 

  4    ' 

>;  



>  2$#32$

    - 4      

  

   :<   4     ' 

 

       +

      8

     +   +    

 

-  '    -    -  .

9      "   ;      8 '     +     '  

 9      ' '  :;/A<  

     "        : -     
  - 



5z6 % - ƒ -  %   $ #  -  1 (  - ƒ % -      !!

4.   -€    #  - - > C !

 C-  q

5!6 ;  (- ) - > ( - ƒ # - ;           

>; 2    !! -€ >- )+ -   - ]

5!!6 $ -  - %9- ƒ -  $         

   =  +     !! )-€ " 

"  - +     $ 4.- $ 4 @  - - 

5!6 $+-  - )-  -  +'   )     

     7   j      !!

"#$ 8  7      -€ #$- )+ -   - ]

5!?6 "8%   :k< "8% 1%)  " _  

    4 '     "8% $ 4.

5!k6 # -   

 - ƒ. "4  -   /  % -

)'         ;  

2(   !! $ 4.-€ *#2@2- "   - q