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  1. #1
    Andrew Shepherd
    Guest
    For the vast majority of the group, this may be of very limited
    utility, interest, or understanding. But I know that there are at
    least a few regulars out there who might appreciate this. After much
    toil & trouble, including more Boolean IF operands than I care to
    mention, I have authored an Excel spreadsheet algorithm that
    synthesizes the CDMA mobile channel selection hash function according
    to MIN & number of deployed channels in the network CDMA channel list.

    Please take a look...

    http://people.ku.edu/~cinema/wireless/hash_function.xls

    Andrew
    --
    Andrew Shepherd
    [email protected]
    [email protected]
    http://www.ku.edu/home/cinema/



    See More: CDMA hash function posted




  2. #2
    Sprintposter
    Guest

    Re: CDMA hash function posted

    Whats the purpose of that? To hack into cell calls?



  3. #3

    Re: CDMA hash function posted

    On 17 Sep 2003 10:37:04 GMT, [email protected] (Sprintposter)
    wrote:

    >Whats the purpose of that? To hack into cell calls?


    No, it's to calculate which carrier frequency in a multi-carrier cell
    you'll get initially assigned to (assuming that some carriers aren't
    reserved for cdma2000 subscribers only).




  4. #4
    PHil_Real
    Guest

    Re: CDMA hash function posted

    In article <[email protected]>,
    [email protected] wrote:

    > On 17 Sep 2003 10:37:04 GMT, [email protected] (Sprintposter)
    > wrote:
    >
    > >Whats the purpose of that? To hack into cell calls?

    >
    > No, it's to calculate which carrier frequency in a multi-carrier cell
    > you'll get initially assigned to (assuming that some carriers aren't
    > reserved for cdma2000 subscribers only).


    And one needs that info because?



  5. #5
    skrubol
    Guest

    Re: CDMA hash function posted


    From his disclaimer, most likely if you had use for the info, you'd
    know.

    --
    Posted at SprintUsers.com - Your place for everything Sprint PCS
    Free wireless access @ www.SprintUsers.com/wap




  6. #6
    Msea
    Guest

    Re: CDMA hash function posted

    Andrew Shepherd wrote:
    > For the vast majority of the group, this may be of very limited
    > utility, interest, or understanding. But I know that there are at
    > least a few regulars out there who might appreciate this. After much
    > toil & trouble, including more Boolean IF operands than I care to
    > mention, I have authored an Excel spreadsheet algorithm that
    > synthesizes the CDMA mobile channel selection hash function according
    > to MIN & number of deployed channels in the network CDMA channel list.


    How about according to ESN?
    FYI, I hope you didn't toil too terribly much....there are other Excel
    spreadsheets floating around on the Internet that do the same
    calculation. Of course, the other ones I've seen effectively hide the
    calculations... so yours is more educational I suppose.




  7. #7
    Sprintposter
    Guest

    Re: CDMA hash function posted

    > From his disclaimer, most likely
    > if you had use for the info, you'd know.


    Hacking into cell phone calls.



  8. #8

    Re: CDMA hash function posted

    On 18 Sep 2003 09:59:22 GMT, [email protected] (Sprintposter)
    wrote:

    >> From his disclaimer, most likely
    >> if you had use for the info, you'd know.

    >
    >Hacking into cell phone calls.


    Nope.




  9. #9
    Hopper
    Guest

    Re: CDMA hash function posted


    "Msea" <[email protected]> wrote in message
    news:BJcab.376666$Oz4.157244@rwcrnsc54...
    > How about according to ESN?
    > FYI, I hope you didn't toil too terribly much....there are other Excel
    > spreadsheets floating around on the Internet that do the same
    > calculation. Of course, the other ones I've seen effectively hide the
    > calculations... so yours is more educational I suppose.


    There is the possibility of it being an academic exercise as well.






  10. #10
    PHil_Real
    Guest

    Re: CDMA hash function posted

    In article <dFjab.500007$o%2.221793@sccrnsc02>,
    "Hopper" <[email protected]> wrote:

    >
    > There is the possibility of it being an academic exercise as well.




    Nice try.



  11. #11
    PHil_Real
    Guest

    Re: CDMA hash function posted

    In article <[email protected]>,
    [email protected] wrote:

    > On 18 Sep 2003 09:59:22 GMT, [email protected] (Sprintposter)
    > wrote:
    >
    > >> From his disclaimer, most likely
    > >> if you had use for the info, you'd know.

    > >
    > >Hacking into cell phone calls.

    >
    > Nope.


    yup



  12. #12
    Andrew Shepherd
    Guest

    Re: CDMA hash function posted

    PHil_Real <[email protected]> wrote in message news:<[email protected]>...
    > In article <[email protected]>,
    > [email protected] wrote:
    >
    > > On 17 Sep 2003 10:37:04 GMT, [email protected] (Sprintposter)
    > > wrote:
    > >
    > > >Whats the purpose of that? To hack into cell calls?

    > >
    > > No, it's to calculate which carrier frequency in a multi-carrier cell
    > > you'll get initially assigned to (assuming that some carriers aren't
    > > reserved for cdma2000 subscribers only).

    >
    > And one needs that info because?


    One does not *need* that info.

    If one can simply be content as a passive user, one who is completely
    oblivious to the underlying functions that enable the success of
    wireless communications, one who is thoroughly flummoxed when one's
    wireless link fails for any reason, for whom wireless is apathetically
    expected to be an omnipresent & transparent utility like running
    water, for whom wireless is just "a phone," one does not *need* that
    info.

    Or one can elect to be an active user, one who curiously &
    auto-didactically pursues greater understanding of the myriad
    technologies that make wireless communications possible, one who is
    equally appreciative of the knowledge gained when a wireless link
    transparently succeeds or spectacularly fails, for whom wireless
    represents a philosophy of learning in general. One may still not
    *need* that info. But one can certainly *appreciate* the
    enlightenment.

    Thus, one can choose to be smarter & better informed than his/her
    wireless phone & wireless network. Or one can choose not to. I
    simply provide a resource for the former. The choice is yours...

    Andrew
    --
    Andrew Shepherd
    [email protected]
    [email protected]
    http://www.ku.edu/home/cinema/



  13. #13
    Andrew Shepherd
    Guest

    Re: CDMA hash function posted

    PHil_Real <[email protected]> wrote in message news:<[email protected]>...
    > In article <[email protected]>,
    > [email protected] wrote:
    >
    > > On 18 Sep 2003 09:59:22 GMT, [email protected] (Sprintposter)
    > > wrote:
    > >
    > > >> From his disclaimer, most likely
    > > >> if you had use for the info, you'd know.
    > > >
    > > >Hacking into cell phone calls.

    > >
    > > Nope.

    >
    > yup


    An emphatic nope. Straight from the horse's mouth. Directly from the
    author of the IS-95 hash function emulator in question.

    To reiterate the function of my Excel algorithm, and I could not have
    expressed it myself more accurately or succinctly than did Craig Paul:

    "...it's to calculate which carrier frequency in a multi-carrier cell
    you'll get initially assigned to (assuming that some carriers aren't
    reserved for cdma2000 subscribers only)."

    PHil_Real, for someone who claims not to understand the utility or
    intent of my exceedingly benign resource, you certainly seem to be
    repeatedly asserting "definitive" answers.

    Andrew
    --
    Andrew Shepherd
    [email protected]
    [email protected]
    http://www.ku.edu/home/cinema/



  14. #14
    P.
    Guest

    Re: CDMA hash function posted

    In article <[email protected]>,
    [email protected] (Andrew Shepherd) wrote:

    > PHil_Real <[email protected]> wrote in message
    > news:<[email protected]>...
    > > In article <[email protected]>,
    > > [email protected] wrote:
    > >
    > > > On 18 Sep 2003 09:59:22 GMT, [email protected] (Sprintposter)
    > > > wrote:
    > > >
    > > > >> From his disclaimer, most likely
    > > > >> if you had use for the info, you'd know.
    > > > >
    > > > >Hacking into cell phone calls.
    > > >
    > > > Nope.

    > >
    > > yup

    >
    > An emphatic nope. Straight from the horse's mouth. Directly from the
    > author of the IS-95 hash function emulator in question.
    >
    > To reiterate the function of my Excel algorithm, and I could not have
    > expressed it myself more accurately or succinctly than did Craig Paul:
    >
    > "...it's to calculate which carrier frequency in a multi-carrier cell
    > you'll get initially assigned to (assuming that some carriers aren't
    > reserved for cdma2000 subscribers only)."



    AGAIN. You need to know an exact frequency because?


    To hack into phone calls.



  15. #15
    P.
    Guest

    Re: CDMA hash function posted

    In article <[email protected]>,
    [email protected] (Andrew Shepherd) wrote:

    > PHil_Real <[email protected]> wrote in message
    > news:<[email protected]>...
    > > In article <[email protected]>,
    > > [email protected] wrote:
    > >
    > > > On 17 Sep 2003 10:37:04 GMT, [email protected] (Sprintposter)
    > > > wrote:
    > > >
    > > > >Whats the purpose of that? To hack into cell calls?
    > > >
    > > > No, it's to calculate which carrier frequency in a multi-carrier cell
    > > > you'll get initially assigned to (assuming that some carriers aren't
    > > > reserved for cdma2000 subscribers only).

    > >
    > > And one needs that info because?

    >
    > One does not *need* that info.
    >
    > If one can simply be content as a passive user, one who is completely
    > oblivious to the underlying functions that enable the success of
    > wireless communications, one who is thoroughly flummoxed when one's
    > wireless link fails for any reason, for whom wireless is apathetically
    > expected to be an omnipresent & transparent utility like running
    > water, for whom wireless is just "a phone," one does not *need* that
    > info.
    >
    > Or one can elect to be an active user, one who curiously &
    > auto-didactically pursues greater understanding of the myriad
    > technologies that make wireless communications possible, one who is
    > equally appreciative of the knowledge gained when a wireless link
    > transparently succeeds or spectacularly fails, for whom wireless
    > represents a philosophy of learning in general. One may still not
    > *need* that info. But one can certainly *appreciate* the
    > enlightenment.
    >
    > Thus, one can choose to be smarter & better informed than his/her
    > wireless phone & wireless network. Or one can choose not to. I
    > simply provide a resource for the former. The choice is yours...


    Translation: you need to know the exact frequency to hack into cell
    phone calls.



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