3 Jan
2022
3 Jan
'22
11:30 a.m.
"The requirements yielded by the page mode information element are as
follows:
a) normal paging: no additional requirements;
b) extended paging: the mobile station is required in addition to receive
and analyse the next but one message on the PCH;
c) paging reorganization: The mobile station shall receive all messages on
the CCCH regardless of the BS-AG-BLKS-RES setting. It is required to receive
all BCCH messages. When the mobile station receives the next message to its
(possibly new) paging subgroup the subsequent action is defined in the page
mode information element in that message.
d) same as before: No change of page mode from the previous page mode."
I think the paging reorganization mode is fine. Does anyone know this mode?
I don't know if the mobile phone will answer everytimes if i try to do a
paging on it for each successive frame. Or if he will answer the first time
and ignore the other paging requests after.
In addition, this solution enable the cell phone to listen every frames of
the CCCH but I don't know if the BTS is abble to do a paging on the same
mobile phone on every frames or if it still needs to follow the BS_PA_MFRMS
parameter. I saw that the paging group is calculated from the IMSI. And then
the paging block is calculated. Is it calculated in the BTS or in OpenBSC?
link of the explanation on the paging :
http://etutorials.org/Mobile+devices/gprs+mobile+internet/Chapter+5+Radio+I…
Thanks
Best regards
Eric Cathelinaud
2009/7/15 Eric Cathelinaud <e.cathelinaud(a)googlemail.com
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<p class=3D"MsoNormal">"The requirements yielded by the page mode
info=
rmation
element are as follows:</p
<p class=3D"B1">a)<span style=3D"">=A0 </span>normal
paging: no
additional requirements;</p
<p class=3D"B1">b)<span style=3D"">=A0
</span>extended paging: the
mobile station is required in addition to receive and analyse the next but =
one
message on the PCH;</p
<p class=3D"B1">c)<span style=3D"">=A0 </span>paging
reorganization: The
mobile station shall receive all messages on the CCCH regardless of the
BS-AG-BLKS-RES setting. It is required to receive all BCCH messages. When t=
he
mobile station receives the next message to its (possibly new) paging subgr=
oup
the subsequent action is defined in the page mode information element in th=
at
message.</p
<p class=3D"B1">d)<span style=3D"">=A0 </span>same
as before: No change
of page mode from the previous page mode."</p
<br>I think the paging reorganization mode is fine. Does anyone know this m=
ode? I don't know if the mobile phone will answer everytimes if i try t=
o do a paging on it for each successive frame. Or if he will answer the fir=
st time and ignore the other paging requests after.<br
<br>In addition, this solution enable the cell phone to listen every frames=
of the CCCH but I don't know if the BTS is abble to do a paging on the=
same mobile phone on every frames or if it still needs to follow the BS_PA=
_MFRMS parameter. I saw that the paging group is calculated from the IMSI. =
And then the paging block is calculated. Is it calculated in the BTS or in =
OpenBSC?<br link of the
explanation on the paging :<br><a href=3D"http://etutorials.org=
/Mobile+devices/gprs+mobile+internet/Chapter+5+Radio+Interface+RLC+MAC+Laye=
r/Listening+to+MS+Paging+Blocks/">http://etutorials.org/Mobile+devi…
+mobile+internet/Chapter+5+Radio+Interface+RLC+MAC+Layer/Listening+to+MS+Pa=
ging+Blocks/</a><br
<br>Thanks<br>Best regards<br><br>Eric
Cathelinaud<br><br><div class=3D"gma=
il_quote">2009/7/15 Eric Cathelinaud <span
dir=3D"ltr"><<a href=3D"mailt=
o:e.cathelinaud@googlemail.com">e.cathelinaud@googlemail.com</a>></span>=
<br <blockquote class=3D"gmail_quote"
style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div
class=3D"gma=
il_quote">2009/7/15 Dieter Spaar <span dir=3D"ltr"><<a
href=3D"mailto:sp=
aar(a)mirider.augusta.de"
target=3D"_blank">spaar(a)mirider.augusta.de</a>&gt;<=
/span><div
<div></div><div class=3D"h5"><br><blockquote
class=3D"gmail_quote" style=3D=
"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padd=
ing-left: 1ex;" Hello Eric,<br <div><br
On Wed, 15 Jul 2009 11:00:14 +0200, "Eric Cathelinaud"
<<a hre=
f=3D"mailto:e.cathelinaud@googlemail.com"
target=3D"_blank">e.cathelinaud@g=
ooglemail.com</a>> wrote:<br
><br > I was just
thinking about performing a recursive paging in order to se=
e how<br > much time I
have until the battery of a mobile phone run out.<br
> Does anyone know if the mobile phone answers at every paging or if it<=
br > doesn't
"listen" all the time? I think it listens period=
ically. If anyone<br > can give me
a clue, that would be appreciated.<br
<br </div>This is
an excerpt from a posting to another mainling list, I just<br=
quote it because I don't want to repeat
what I already wrote:<br <br > =A0- The phone is in
"idle" mode (no speech/data traffic)<br=
> =A0 =A0and periodically receives the
paging channel (PCH) to<br > =A0 =A0find
out if its being called. Further the phone measures<br
> =A0 =A0the signal strength of neighbor cells and every now<br > =A0 =A0and then (not that frequent as
the above actions)<br > =A0
=A0receives the cell information in the broadcast common<br > =A0 =A0control channel (BCCH) of the
serving cell and of<br > =A0 =A0at
most six neighbor cells with the strongest signal.<br
<br ....<br <br
> =A0- The time between receiving the PCH is determined by a<br > =A0 =A0parameter of the serving cell
(BS_PA_MFRMS, range 2 to 9).<br > =A0 =A0Its
measured in 51-multiframes until the PCH for the phone<br
> =A0 =A0repeats (if you want to know the details have a look at<br > =A0 =A0the GSM specs =A0;-) . The
length of a 51-multiframe is<br > =A0 =A0235.8
ms, this means the time between receiving the PCH<br
> =A0 =A0is in the range 471.9 ms to 2122.2 ms. In this time the<br > =A0 =A0idle phone most of the time
sleeps or receives the BCCH<br > =A0 =A0of
the serving cell or one of the neighbor cells with<br
> =A0 =A0the strongest signal (at most six).<br <br
Best regards,<br =A0Dieter<br <font
color=3D"#888888">--<br
Dieter Spaar, Germany =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 <=
a href=3D"mailto:spaar@mirider.augusta.de"
target=3D"_blank">spaar(a)mirider.=
augusta.de</a><br
</font></blockquote></div></div></div><br>Thanks
a lot for the explanation.=
It's a pity that the minimum period is 2 multiframes. I wish I could r=
ealize a paging on a mobile phone every frame but it seems to be impossible=
finally.<br
<br>Best regards,<br><font color=3D"#888888">Eric
Cathelinaud<br><br
</font></blockquote></div><br
--001636499281749655046ed2de53--
2009/7/15 Dieter Spaar
<spaar(a)mirider.augusta.de
Hello Eric,
--001636499281749655046ed2de53
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Hi,<br><br>Finally I think I find a solution to make the cell phone listeni=
ng to every frames of the CCCH.<br><br>From gsm04_08:<br><meta
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"><style
On Wed, 15 Jul 2009 11:00:14 +0200, "Eric Cathelinaud" <
e.cathelinaud(a)googlemail.com> wrote:
Thanks a lot for the explanation. It's a pity that the minimum period is 2
multiframes. I wish I could realize a paging on a mobile phone every frame
but it seems to be impossible finally.
Best regards,
Eric Cathelinaud
I was just thinking about performing a recursive paging in order to see
how
much time I have until the battery of a mobile
phone run out.
Does anyone know if the mobile phone answers at every paging or if it
doesn't "listen" all the time? I think it listens periodically. If
anyone
can give me a clue, that would be appreciated.
This is an excerpt from a posting to another mainling list, I just
quote it because I don't want to repeat what I already wrote:
- The phone is in "idle" mode (no
speech/data traffic)
and periodically receives the paging channel (PCH) to
find out if its being called. Further the phone measures
the signal strength of neighbor cells and every now
and then (not that frequent as the above actions)
receives the cell information in the broadcast common
control channel (BCCH) of the serving cell and of
at most six neighbor cells with the strongest signal.
....
- The time between receiving the PCH is
determined by a
parameter of the serving cell (BS_PA_MFRMS, range 2 to 9).
Its measured in 51-multiframes until the PCH for the phone
repeats (if you want to know the details have a look at
the GSM specs ;-) . The length of a 51-multiframe is
235.8 ms, this means the time between receiving the PCH
is in the range 471.9 ms to 2122.2 ms. In this time the
idle phone most of the time sleeps or receives the BCCH
of the serving cell or one of the neighbor cells with
the strongest signal (at most six).
Best regards,
Dieter
--
Dieter Spaar, Germany spaar(a)mirider.augusta.de