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Re: [STDS-802-16] +AFs-STDS-802-16+AF0- Broadcast



+ADwAIQ-DOCTYPE HTML PUBLIC +ACI--//W3C//DTD HTML 4.0 Transitional//EN+ACIAPg- +ADw-HTML+AD4APA-HEAD+AD4- +ADw-META HTTP-EQUIV+AD0AIg-Content-Type+ACI- CONTENT+AD0AIg-text/html+ADs- charset+AD0-utf-7+ACIAPg- +ADw-META content+AD0AIg-MSHTML 6.00.2800.1400+ACI- name+AD0-GENERATOR+AD4- +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 mail passed through mail.alvarion.com+ADw-BR+AD4APA-BR+AD4AKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAPA-BR+AD4-This footnote confirms that this email message has been scanned by+ADw-BR+AD4-PineApp Mail-SeCure for the presence of malicious code, vandals +ACY-amp+ADs- computer viruses.+ADw-BR+AD4AKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAPA-BR+AD4APA-/BLOCKQUOTE+AD4-This mail was sent via mail.alvarion.com+ADw-BR+AD4APA-BR+AD4AKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAPA-BR+AD4-This footnote confirms that this email message has been scanned by+ADw-BR+AD4-PineApp Mail-SeCure for the presence of malicious code, vandals +ACY-amp+ADs- computer viruses.+ADw-BR+AD4AKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAKgAqACoAPA-BR+AD4APA-/BODY+AD4APA-/HTML+AD4- This mail was sent via mail.alvarion.com

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