Re: [STDS-802-16] +AFs-STDS-802-16+AF0- Broadcast
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+ADw-STYLE+AD4APA-/STYLE+AD4-
+ADw-/HEAD+AD4-
+ADw-BODY+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Tahoma size+AD0-2+AD4APA-/FONT+AD4AJg-nbsp+ADsAPA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4APA-SPAN
class+AD0-174070011-21042004+AD4-Eyal,+ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4APA-SPAN class+AD0-174070011-21042004+AD4-Seems
that the standard does not preclude from sending data over broadcast
connection.+ACY-nbsp+ADs-Another question is whether+ACY-nbsp+ADsAPA-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4APA-SPAN class+AD0-174070011-21042004+AD4-we may
establish a service flow associated with+ACY-nbsp+ADsAJg-nbsp+ADs-broadcast connection. I
think, we cannot, then there is no way+ACY-nbsp+ADsAPA-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4APA-SPAN class+AD0-174070011-21042004+AD4-for
data entering CS SAP+ACY-nbsp+ADs-to be routed to broadcast
connection.+ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4APA-SPAN class+AD0-174070011-21042004+AD4-By the
way, multicast connections are not related+ACY-nbsp+ADs-to multicast +AFs-polling+AF0-
groups.+ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4APA-SPAN
class+AD0-174070011-21042004+AD4-Vladimir+ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-BLOCKQUOTE+AD4-
+ADw-DIV class+AD0-OutlookMessageHeader dir+AD0-ltr align+AD0-left+AD4APA-FONT face+AD0-Tahoma
size+AD0-2+AD4------Original Message-----+ADw-BR+AD4APA-B+AD4-From:+ADw-/B+AD4- Eyal Verbin
+AFs-mailto:everbin+AEA-AIRSPAN.COM+AF0APA-BR+AD4APA-B+AD4-Sent:+ADw-/B+AD4- Wednesday, April 21, 2004 1:39
PM+ADw-BR+AD4APA-B+AD4-To:+ADw-/B+AD4- STDS-802-16+AEA-LISTSERV.IEEE.ORG+ADw-BR+AD4APA-B+AD4-Subject:+ADw-/B+AD4-
+AFs-STDS-802-16+AF0- Broadcast+ADw-BR+AD4APA-BR+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4APA-SPAN
class+AD0-361172810-21042004+AD4-Section 6.1 of the standard states that +ACI- +ADw-FONT
face+AD0-TimesNewRoman size+AD0-2+AD4-In addition to individually addressed messages,
messages may also be sent on multicast connections (control messages and video
distribution are examples of multicast applications) as well as broadcast to
all stations.+ACIAPA-/FONT+AD4APA-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4APA-SPAN
class+AD0-361172810-21042004+AD4APA-/SPAN+AD4APA-/FONT+AD4AJg-nbsp+ADsAPA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4APA-SPAN
class+AD0-361172810-21042004+AD4-Correct me if I'm wrong, but broadcast transmission
is limited to MAC management messages (MAPs, DCD,...) and can't be used to
transfer data. Therefore, the only way to broadcast data is to form a
multicast group containing all SS's +ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4APA-FONT
face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080+AD4APA-SPAN
class+AD0-361172810-21042004+AD4APA-/SPAN+AD4APA-/FONT+AD4APA-FONT face+AD0-Tahoma+AD4-
+ADw-DIV+AD4APA-BR+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4APA-SPAN
class+AD0-361172810-21042004+AD4-Eyal+ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4APA-SPAN
class+AD0-361172810-21042004+AD4APA-/SPAN+AD4APA-/FONT+AD4AJg-nbsp+ADsAPA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT size+AD0-2+AD4APA-SPAN class+AD0-361172810-21042004+AD4AJg-nbsp+ADsAPA-/SPAN+AD4------Original
Message-----+ADw-BR+AD4APA-B+AD4-From:+ADw-/B+AD4- owner-stds-802-16+AEA-listserv.ieee.org
+AFs-mailto:owner-stds-802-16+AEA-listserv.ieee.org+AF0APA-B+AD4-On Behalf Of +ADw-/B+AD4-Don
Leimer+ADw-BR+AD4APA-B+AD4-Sent:+ADw-/B+AD4- Monday, April 19, 2004 8:26 PM+ADw-BR+AD4APA-B+AD4-To:+ADw-/B+AD4-
STDS-802-16+AEA-listserv.ieee.org+ADw-BR+AD4APA-B+AD4-Subject:+ADw-/B+AD4- Re: +AFs-STDS-802-16+AF0-
Clarification regarding SS power level control+ADw-BR+AD4APA-BR+AD4APA-/DIV+AD4APA-/FONT+AD4APA-/FONT+AD4-
+ADw-DIV+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4APA-SPAN class+AD0-146032717-19042004+AD4-Only
one more comment.+ACY-nbsp+ADs- The final 4dB of error will also be reduced by
subsequent BS commands, and relative error diminishes to +-/- 0.5dB for the
final error (relative to the BS's capability to measure
power)+ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-BLOCKQUOTE dir+AD0-ltr style+AD0AIg-MARGIN-RIGHT: 0px+ACIAPg-
+ADw-DIV class+AD0-OutlookMessageHeader dir+AD0-ltr align+AD0-left+AD4APA-FONT face+AD0-Tahoma
size+AD0-2+AD4------Original Message-----+ADw-BR+AD4-+ADw-B+AD4-From:+ADw-/B+AD4- Raja Banerjea
+AFs-mailto:RBanerjea+AEA-PROXIM.COM+AF0APA-BR+AD4APA-B+AD4-Sent:+ADw-/B+AD4- Monday, April 19, 2004 9:14
AM+ADw-BR+AD4APA-B+AD4-To:+ADw-/B+AD4- STDS-802-16+AEA-LISTSERV.IEEE.ORG+ADw-BR+AD4APA-B+AD4-Subject:+ADw-/B+AD4- Re:
+AFs-STDS-802-16+AF0- Clarification regarding SS power level
control+ADw-BR+AD4APA-BR+AD4APA-/DIV+AD4APA-/FONT+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-857130016-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4-The power control method is a closed loop method where the Base
station asks for further power control corrections if required. If the base
station requests the subscriber station in the RNG-RESP to increase the
power level by 30dB the SS should increase it by 30dB with a relative
accuracy of 4dB. +ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-857130016-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff size+AD0-2+AD4-If
the Base station is going to increase the power of the SS
in+ACY-nbsp+ADs-5+ACY-nbsp+ADs-steps and the BS+ACY-nbsp+ADs-requests the SS to increase the power
by 8dB the SS will increase it by 8dB with a relative accuracy of 4dB. In
the subsequent RNG-RESP message the BS instead of requesting a power
increase of 8dB will request for 8dB+-(relative accuracy).
Therefore+ACY-nbsp+ADs-after each increase requested from the BS the relative
accuracy should be 4dB.+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-857130016-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4-This assumes that the BS can make an accurate measurement of the SS's
power increase.+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-857130016-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4-Any comments ?+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-857130016-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4-Regards,+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-857130016-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4--Raja+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-857130016-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4APA-/FONT+AD4APA-/SPAN+AD4AJg-nbsp+ADsAPA-/DIV+AD4-
+ADw-BLOCKQUOTE dir+AD0-ltr style+AD0AIg-MARGIN-RIGHT: 0px+ACIAPg-
+ADw-DIV class+AD0-OutlookMessageHeader dir+AD0-ltr align+AD0-left+AD4APA-FONT face+AD0-Tahoma
size+AD0-2+AD4------Original Message-----+ADw-BR+AD4APA-B+AD4-From:+ADw-/B+AD4- Crozier, Eugene
+AFs-mailto:Eugene+AF8-Crozier+AEA-SRTELECOM.COM+AF0APA-BR+AD4APA-B+AD4-Sent:+ADw-/B+AD4- Monday, April 19,
2004 6:26 AM+ADw-BR+AD4APA-B+AD4-To:+ADw-/B+AD4-
STDS-802-16+AEA-listserv.ieee.org+ADw-BR+AD4APA-B+AD4-Subject:+ADw-/B+AD4- Re: +AFs-STDS-802-16+AF0-
Clarification regarding SS power level control+ADw-BR+AD4APA-BR+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-671071113-19042004+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4APA-EM+AD4-My understanding of this is that the step size should be
greater than 1 dB but less than 8 dB (I'd assumed for the relative
accuracy that the 50+ACU- of the step size can be+ACY-nbsp+ADs-no more than 4 dB), but
the number of steps is based on the step size and the relative accuracy to
achieve the minimum control range, so for 1 dB steps, the number of steps
can be between 60 and 20 (30/0.5 and 30/1.5) for a 30 dB range, and for 8
dB step size the number of steps between 8 and 3 for the 30 dB
range.+ADw-/EM+AD4APA-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-671071113-19042004+AD4APA-EM+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4APA-/FONT+AD4APA-/EM+AD4APA-/SPAN+AD4AJg-nbsp+ADsAPA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-671071113-19042004+AD4APA-EM+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4-Regards+ADw-/FONT+AD4APA-/EM+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-671071113-19042004+AD4APA-EM+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4APA-/FONT+AD4APA-/EM+AD4APA-/SPAN+AD4AJg-nbsp+ADsAPA-/DIV+AD4-
+ADw-DIV+AD4APA-SPAN class+AD0-671071113-19042004+AD4APA-EM+AD4APA-FONT face+AD0-Arial color+AD0AIw-0000ff
size+AD0-2+AD4-Eugene Crozier+ADw-/FONT+AD4APA-/EM+AD4APA-/SPAN+AD4APA-/DIV+AD4-
+ADw-BLOCKQUOTE dir+AD0-ltr style+AD0AIg-MARGIN-RIGHT: 0px+ACIAPg-
+ADw-DIV class+AD0-OutlookMessageHeader dir+AD0-ltr align+AD0-left+AD4APA-FONT face+AD0-Tahoma
size+AD0-2+AD4------Original Message-----+ADw-BR+AD4APA-B+AD4-From:+ADw-/B+AD4- Eyal Verbin
+AFs-mailto:everbin+AEA-AIRSPAN.COM+AF0APA-BR+AD4APA-B+AD4-Sent:+ADw-/B+AD4- Monday, April 19, 2004 8:22
AM+ADw-BR+AD4APA-B+AD4-To:+ADw-/B+AD4- STDS-802-16+AEA-listserv.ieee.org+ADw-BR+AD4APA-B+AD4-Subject:+ADw-/B+AD4-
+AFs-STDS-802-16+AF0- Clarification regarding SS power level
control+ADw-BR+AD4APA-BR+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4APA-SPAN
class+AD0-115181012-19042004+AD4-Power level control for the OFDM PHY is defined
in section 8.3.9.1:+ADw-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4APA-FONT size+AD0-+-0+AD4APA-SPAN class+AD0-115181012-19042004+AD4APA-FONT
face+AD0AIg-Comic Sans MS+ACIAPgA8-FONT color+AD0AIw-000080+AD4APA-FONT size+AD0-2+AD4APA-SPAN
class+AD0-115181012-19042004+AD4AIgAm-nbsp+ADsAPA-/SPAN+AD4-For an SS not supporting
subchannelization, the transmitter shall support a monotonic power level
control of+ADw-/FONT+AD4APA-/FONT+AD4APA-/FONT+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080
size+AD0-2+AD4- 30 dB minimum. For an SS supporting subchannelization, the
transmitter shall support a monotonic +ADw-/FONT+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI-
color+AD0AIw-000080 size+AD0-2+AD4-power level control of 50 dB minimum. The minimum
step size shall be no more than 1 dB. The relative +ADw-/FONT+AD4APA-FONT
face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4-accuracy of the power control
mechanism is +-/-50+ACU- of the step size in dB, but no more than 4 dB. As an
+ADw-/FONT+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACI- color+AD0AIw-000080 size+AD0-2+AD4-example, for a
step size of 5 dB the relative accuracy is 2.5 dB. For a BS, the
transmitter shall support a +ADw-/FONT+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACIAPgA8-FONT
color+AD0AIw-000080+AD4APA-FONT size+AD0-2+AD4-monotonic power level control of 10 dB
minimum.+ADw-SPAN
class+AD0-115181012-19042004+AD4AIgAm-amp+ADs-+-nbsp+ADsAPA-/SPAN+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/DIV+AD4-
+ADw-DIV+AD4-
+ADw-P align+AD0-left+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACIAPgA8-FONT color+AD0AIw-000080+AD4APA-FONT
size+AD0-2+AD4APA-SPAN class+AD0-115181012-19042004+AD4-Looking at the SS
(subchannelization) for example, it is possible to go from Min power to
Ma+ADw-/SPAN+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/FONT+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACIAPg-+ADw-FONT
color+AD0AIw-000080+AD4APA-FONT size+AD0-2+AD4APA-SPAN class+AD0-115181012-19042004+AD4-x power either
in 5 steps of 8 dB or in a single step of 50dB. In the first option the
accumulated offset can reach 5+ACo-4dB (20dB) wheras in the second option
the tolerance is limited to 4dB. +ADw-/SPAN+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/P+AD4-
+ADw-P align+AD0-left+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACIAPgA8-FONT color+AD0AIw-000080+AD4APA-FONT
size+AD0-2+AD4APA-SPAN class+AD0-115181012-19042004+AD4-Does anyone have a more clear
interpretation of this text?+ADw-/SPAN+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/P+AD4-
+ADw-P align+AD0-left+AD4APA-FONT face+AD0AIg-Comic Sans MS+ACIAPgA8-FONT color+AD0AIw-000080+AD4APA-FONT
size+AD0-2+AD4APA-SPAN class+AD0-115181012-19042004+AD4-Eyal
Verbin+ACY-nbsp+ADsAPA-/SPAN+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/FONT+AD4APA-/P+AD4APA-/SPAN+AD4APA-/FONT+AD4APA-/DIV+AD4APA-/BLOCKQUOTE+AD4APA-/BLOCKQUOTE+AD4APA-/BLOCKQUOTE+AD4APA-BR+AD4APA-BR+AD4-This
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