draft-ietf-opsawg-capwap-extension-05.txt		draft-ietf-opsawg-capwap-extension-06.txt
	OPSAWG Y. Chen		OPSAWG Y. Chen
	Internet-Draft D. Liu		Internet-Draft China Mobile
	Updates: 5416 (if approved) H. Deng		Updates: 5416 (if approved) D. Liu
	Intended status: Standards Track China Mobile		Intended status: Standards Track
	Expires: April 26, 2015 Lei. Zhu		Expires: January 7, 2016 H. Deng
			China Mobile
			Lei. Zhu
	Huawei		Huawei
	October 27, 2014		July 6, 2015
	CAPWAP Extension for 802.11n and Power/channel Autoconfiguration		CAPWAP Extension for 802.11n and Power/channel Autoconfiguration
	draft-ietf-opsawg-capwap-extension-05		draft-ietf-opsawg-capwap-extension-06
	Abstract		Abstract
	The CAPWAP binding for 802.11 is specified by RFC5416 and it was		The CAPWAP binding for 802.11 is specified by RFC5416 and it was
	based on IEEE 802-11.2007 standard. Several new amendments of 802.11		based on IEEE 802-11.2007 standard. Several new amendments of 802.11
	have been published since RFC5416 was published in 2009. 802.11n is		have been published since RFC5416 was published in 2009. 802.11n is
	one of those amendments and it has been widely used in real		one of those amendments and it has been widely used in real
	deployment. This document extends the CAPWAP binding for 802.11 to		deployment. This document extends the CAPWAP binding for 802.11 to
	support 802.11n and also defines a power and channel auto		support 802.11n and also defines a power and channel auto
	configuration extension.		configuration extension.
	skipping to change at page 1, line 39		skipping to change at page 1, line 41
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF). Note that other groups may also distribute		Task Force (IETF). Note that other groups may also distribute
	working documents as Internet-Drafts. The list of current Internet-		working documents as Internet-Drafts. The list of current Internet-
	Drafts is at http://datatracker.ietf.org/drafts/current/.		Drafts is at http://datatracker.ietf.org/drafts/current/.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	This Internet-Draft will expire on April 26, 2015.		This Internet-Draft will expire on January 7, 2016.
	Copyright Notice		Copyright Notice
	Copyright (c) 2014 IETF Trust and the persons identified as the		Copyright (c) 2015 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents		Provisions Relating to IETF Documents
	(http://trustee.ietf.org/license-info) in effect on the date of		(http://trustee.ietf.org/license-info) in effect on the date of
	publication of this document. Please review these documents		publication of this document. Please review these documents
	carefully, as they describe your rights and restrictions with respect		carefully, as they describe your rights and restrictions with respect
	to this document. Code Components extracted from this document must		to this document. Code Components extracted from this document must
	include Simplified BSD License text as described in Section 4.e of		include Simplified BSD License text as described in Section 4.e of
	the Trust Legal Provisions and are provided without warranty as		the Trust Legal Provisions and are provided without warranty as
	skipping to change at page 5, line 42		skipping to change at page 5, line 42
	TxAntenna: Transmitting antenna configuration. Each TxAntenna bit		TxAntenna: Transmitting antenna configuration. Each TxAntenna bit
	represents a certain number of antennas. Set to 1 if enabled, set to		represents a certain number of antennas. Set to 1 if enabled, set to
	0 if disabled.		0 if disabled.
	RxAntenna: Receiving antenna configuration. Each RxAntenna bit		RxAntenna: Receiving antenna configuration. Each RxAntenna bit
	represents a certain number of antennas. Set to 1 if enabled, set to		represents a certain number of antennas. Set to 1 if enabled, set to
	0 if disabled.		0 if disabled.
	The detail definition of TxAntenna/RxAntenna is as follows:		The detail definition of TxAntenna/RxAntenna is as follows:
	0 1 2 3 4 5 6 7		0 1 2 3 4 5 6 7
	+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+
	|8|7|6|5|4|3|2|1|		|8|7|6|5|4|3|2|1|
	+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+
	Figure 2: Definition of TxAntenna/RxAntenna		Figure 2: Definition of TxAntenna/RxAntenna
	Each bit when enabled will represent the number of antennas		Each bit when enabled will represent the number of antennas
	correspondent to that bit. Only one bit is allowed to be set to 1.		correspondent to that bit. Only one bit is allowed to be set to 1.
	For example, when the first bit is enabled,it represents 8 antennas.		For example, when the first bit is enabled,it represents 8 antennas.
	3.1.3. 802.11n Station Information		3.1.3. 802.11n Station Information
	The 802.11n Station Information message element is used to deliver		The 802.11n Station Information message element is used to deliver
	IEEE 802.11n station policy from the AC to the WTP. The definition		IEEE 802.11n station policy from the AC to the WTP. The definition
	skipping to change at page 8, line 26		skipping to change at page 8, line 26
	The IEEE 802.11 Tx Power message element defined in section 6.18 of		The IEEE 802.11 Tx Power message element defined in section 6.18 of
	[RFC5416] is used by the AC to control the transmission power of the		[RFC5416] is used by the AC to control the transmission power of the
	WTP. The 802.11 Tx Power information element is carried in the		WTP. The 802.11 Tx Power information element is carried in the
	Configure Status Response message or in the Configure Update Request		Configure Status Response message or in the Configure Update Request
	message.		message.
	4.3. Channel/Power Auto Adjustment		4.3. Channel/Power Auto Adjustment
	The Channel Scan Procedure is illustrated by the figure 4.		The Channel Scan Procedure is illustrated by the figure 4.
	WTP Configure Status Reqest AC		WTP Configure Status Reqest AC
	------------------------------------------------------->		------------------------------------------------------->
	Configure Status Res(Scan Parameter Message Element, Channel Bind Message Element)		Configure Status Res(Scan Parameter Message Element, Channel Bind Message Element)
	<------------------------------------------------------		<------------------------------------------------------
	or		or
	WTP AC		WTP AC
	Configure Update Req(Scan Parameter Message Element, Channel Bind Message Element )		Configure Update Req(Scan Parameter Message Element, Channel Bind Message Element )
	<-----------------------------------------------------		<-----------------------------------------------------
	Configure Update Response		Configure Update Response
	----------------------------------------------------->		----------------------------------------------------->
	Figure 4: Channel Scan Procedure		Figure 4: Channel Scan Procedure
	The WTP has two work modes: normal mode and scan only mode. In		The WTP has two work modes: normal mode and scan only mode. In
	normal mode, the WTP can provide service for station access and scan		normal mode, the WTP can provide service for station access and scan
	channels at the same time. Whether the WTP will scan a given set of		channels at the same time. Whether the WTP will scan a given set of
	channels is determined by the Max Cycles field in the IEEE 802.11		channels is determined by the Max Cycles field in the IEEE 802.11
	Channel Bind message element defined in Section 4.3.2. When this		Channel Bind message element defined in Section 4.3.2. When this
	field is set to 0, the WTP will not scan the channel. If this field		field is set to 0, the WTP will not scan the channel. If this field
	is set to 255, the WTP will scan the channel continuously. The type		is set to 255, the WTP will scan the channel continuously. The type
	skipping to change at page 9, line 20		skipping to change at page 9, line 20
	In normal mode, the WTP behaviour is controlled by three parameters:		In normal mode, the WTP behaviour is controlled by three parameters:
	PrimeChlSrvTime, OnChannelScanTIme, and OffChannelScnTIme. These are		PrimeChlSrvTime, OnChannelScanTIme, and OffChannelScnTIme. These are
	provided by the IEEE 802.11 Scan Parameters message element defined		provided by the IEEE 802.11 Scan Parameters message element defined
	in Section 4.3.1. The WTP will provide access service for stations		in Section 4.3.1. The WTP will provide access service for stations
	for the duration given by PrimeChlSrvTime. It then scans the working		for the duration given by PrimeChlSrvTime. It then scans the working
	channel for the duration given by OnChannelScnTime. It returns to		channel for the duration given by OnChannelScnTime. It returns to
	servicing station access requests on the working channel for another		servicing station access requests on the working channel for another
	period of length PrimeChlSrvTime, then moves to a different channel		period of length PrimeChlSrvTime, then moves to a different channel
	and scans it for duration OffChannelScnTime. It repeats this cycle,		and scans it for duration OffChannelScnTime. It repeats this cycle,
	scanning a new non-working channel each time, until all the channels		scanning a new non-working channel each time, until all the channels
	have been scanned.		have been scanned. This channel scan procedure can be used to
			determine the interference of both the current working channel and
			non-working channel to avoid potential interference.
	When the WTP works in scan only mode, it does not distinguish between		When the WTP works in scan only mode, it does not distinguish between
	the working channel and scan channel. Every channel's scan duration		the working channel and scan channel. Every channel's scan duration
	will be OffChannelScnTime and PrimeChlSrvTime and OnChannelScanTime		will be OffChannelScnTime and PrimeChlSrvTime and OnChannelScanTime
	MUST be set to 0.		MUST be set to 0.
	As shown in Figure 4, the AC can control the scan behaviour at the		As shown in Figure 4, the AC can control the scan behaviour at the
	WTP by including the IEEE 802.11 Scan Parameters and IEEE 802.11		WTP by including the IEEE 802.11 Scan Parameters and IEEE 802.11
	Channel Bind message elements in a Configure Status Response or WTP		Channel Bind message elements in a Configure Status Response or WTP
	Configure Update Request message.		Configure Update Request message.
	skipping to change at page 10, line 5		skipping to change at page 10, line 5
	information is carried in the IEEE 802.11 Channel Scan Report message		information is carried in the IEEE 802.11 Channel Scan Report message
	element (Section 4.3.3) and an instance of the IEEE 802.11		element (Section 4.3.3) and an instance of the IEEE 802.11
	Information Element message element carrying a copy of theIEEE 802.11		Information Element message element carrying a copy of theIEEE 802.11
	Neighbor WTP Report information element (Section 4.3.4).		Neighbor WTP Report information element (Section 4.3.4).
	4.3.1. IEEE 802.11 Scan Parameters Message Element		4.3.1. IEEE 802.11 Scan Parameters Message Element
	The format of the IEEE 802.11 Scan Parameters Message Element is as		The format of the IEEE 802.11 Scan Parameters Message Element is as
	shown in Figure 5:		shown in Figure 5:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Radio ID |M|S|L|D| | Report Time |		| Radio ID |M|S|L|D| | Report Time |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| PrimeChlSrvTime | On Channel ScanTime |		| PrimeChlSrvTime | On Channel ScanTime |
	+-------------------------------+-------------------------------+		+-------------------------------+-------------------------------+
	| Off Channel ScanTime |		| Off Channel ScanTime |
	+-------------------------------+		+-------------------------------+
	Figure 5: IEEE 802.11 Scan Parameters Message Element		Figure 5: IEEE 802.11 Scan Parameters Message Element
	Type: TBD3 for IEEE 802.11 Scan Parameters Message Element.		Type: TBD3 for IEEE 802.11 Scan Parameters Message Element.
	Length: 10.		Length: 10.
	Radio ID: An 8-bit value representing the radio, whose value is		Radio ID: An 8-bit value representing the radio, whose value is
	between one (1) and 31.		between one (1) and 31.
	skipping to change at page 10, line 42		skipping to change at page 10, line 42
	detection scan.		detection scan.
	Report Time: Channel quality report time (unit: second).		Report Time: Channel quality report time (unit: second).
	PrimeChlSrvTime: Service time (unit: millisecond) on the working scan		PrimeChlSrvTime: Service time (unit: millisecond) on the working scan
	channel. This segment is invalid(set to 0) when WTP oper mode is set		channel. This segment is invalid(set to 0) when WTP oper mode is set
	to 1. The maximum value of this segment is 10000, the minimum value		to 1. The maximum value of this segment is 10000, the minimum value
	of this segment is 5000, the default value is 5000.		of this segment is 5000, the default value is 5000.
	On Channel ScanTime: The scan time (unit: millisecond) of the working		On Channel ScanTime: The scan time (unit: millisecond) of the working
	channel. When the M bit is set to 1, this segment is invalid(set to		channel. When the M bit is set to 1 (active scan), this segment is
	0). The maximum value of this segment is 120, the minimum value of		invalid(set to 0). The maximum value of this segment is 120, the
	this segment is 60, the default value is 60.		minimum value of this segment is 60, the default value is 60.
	Off Channel ScanTime: The scan time (unit: millisecond) of the		Off Channel ScanTime: The scan time (unit: millisecond) of the
	working channel. When the WTP operating mode is set to 2, this		working channel. When the WTP operating mode is set to 2, this
	segment MUST be set to 0. The maximum value of this segment is 120,		segment MUST be set to 0. The maximum value of this segment is 120,
	the minimum value of this segment is 60, the default value is 60.		the minimum value of this segment is 60, the default value is 60.
	4.3.2. IEEE 802.11 Scan Channel Bind Message Element		4.3.2. IEEE 802.11 Scan Channel Bind Message Element
	The format of the IEEE 802.11 Scan Channel Bind Message Element is as		The format of the IEEE 802.11 Scan Channel Bind Message Element is as
	follows:		follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Radio ID | Flag | Max Cycles |Channel Count |ScanChannelSet.|		| Radio ID | Flag | Max Cycles |Channel Count |ScanChannelSet.|
	+---------------+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+---------------+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Figure 6: IEEE 802.11 Scan Channel Bind Message Element		Figure 6: IEEE 802.11 Scan Channel Bind Message Element
	Type: TBD4 for IEEE 802.11 Scan Channel Bind Message Element.		Type: TBD4 for IEEE 802.11 Scan Channel Bind Message Element.
	Length: variable.		Length: variable.
	Radio ID: An 8-bit value representing the radio, whose value is		Radio ID: An 8-bit value representing the radio, whose value is
	between one (1) and 31.		between one (1) and 31.
	skipping to change at page 11, line 37		skipping to change at page 11, line 37
	Max Cycles: Number of times the scanning cycle is repeated for the		Max Cycles: Number of times the scanning cycle is repeated for the
	set of channels identified by this message element. 255 means		set of channels identified by this message element. 255 means
	continuous scan.		continuous scan.
	Channel Count: The number of channels will be scanned.		Channel Count: The number of channels will be scanned.
	Scan Channel Set: identifies the members of the set of channels to		Scan Channel Set: identifies the members of the set of channels to
	which this message element instance applies. The format for each		which this message element instance applies. The format for each
	channel is as follows:		channel is as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Channel ID | Flag |		| Channel ID | Flag |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Figure 7: Channel Information Format		Figure 7: Channel Information Format
	Channel ID: the channel ID of the channel which will be scanned.		Channel ID: the channel ID of the channel which will be scanned.
	Flag: Bitmap, reserved for future use.		Flag: Bitmap, reserved for future use.
	4.3.3. IEEE 802.11 Channel Scan Report		4.3.3. IEEE 802.11 Channel Scan Report
	There are two types of scan report: Channel Scan Report and WTP		There are two types of scan report: Channel Scan Report and WTP
	Neighbor Report. Channel Scan Report is used to channel		Neighbor Report. Channel Scan Report is used to channel
	autoconfiguration while WTP Neighbor Report is used to power		autoconfiguration while WTP Neighbor Report is used to power
	autoconfiguration. The WTP send the scan report to the AC through		autoconfiguration. The WTP send the scan report to the AC through
	WTP Event Request message. The information element that used to		WTP Event Request message. The information element that used to
	carry the scan report is Channel Scan Report Message Element and WTP		carry the scan report is Channel Scan Report Message Element and WTP
	Neighbor Report Message Element.		Neighbor Report Message Element.
	The format of the IEEE 802.11 Channel Scan Report message element is		The format of the IEEE 802.11 Channel Scan Report message element is
	in Figure 8.		in Figure 8.
	0 1		0 1
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Radio ID | Report Count | Channel Scan Report ... |		| Radio ID | Report Count | Channel Scan Report ... |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	Figure 8: IEEE 802.11 Channel Scan Report Message Element		Figure 8: IEEE 802.11 Channel Scan Report Message Element
	Type: TBD5 for IEEE 802.11 Channel Scan Report message element.		Type: TBD5 for IEEE 802.11 Channel Scan Report message element.
	Length: >=29.		Length: >=29.
	Radio ID: An 8-bit value representing the radio, whose value is		Radio ID: An 8-bit value representing the radio, whose value is
	between one (1) and 31.		between one (1) and 31.
	Report Count: The number of channels for which a report is provided.		Report Count: The number of channels for which a report is provided.
	Channel Scan Report: The format of each Channel Scan Report is shown		Channel Scan Report: The format of each Channel Scan Report is shown
	in Figure 9.		in Figure 9.
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Channel Number | Radar Statistics | Mean |		| Channel Number | Radar Statistics | Mean |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Time | Mean RSSI | Screen Packet Count |		| Time | Mean RSSI | Screen Packet Count |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	| NeighborCount| Mean Noise | Interference | WTP Tx Occp |		| NeighborCount| Mean Noise | Interference | WTP Tx Occp |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	| WTP Rx Occp | Unknown Occp | CRC Err Cnt | Decrypt Err Cnt |		| WTP Rx Occp | Unknown Occp | CRC Err Cnt | Decrypt Err Cnt |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	|Phy Err Cnt | Retrans Cnt |		|Phy Err Cnt | Retrans Cnt |
	+-----------------------------+		+-----------------------------+
	Figure 9: Channel Scan Report		Figure 9: Channel Scan Report
	Channel Number: The channel number.		Channel Number: The channel number.
	Radar Statistics: Whether detect radar signal in this channel. 0x00:		Radar Statistics: Whether detect radar signal in this channel. 0x00:
	detect radar signal. 0x01: no radar signal is detected.		detect radar signal. 0x01: no radar signal is detected.
	Mean Time: Channel measurement duration (ms).		Mean Time: Channel measurement duration (ms).
	Mean RSSI: The average signal strength of the scanned channel		Mean RSSI: The average signal strength of the scanned channel
	(dBm(2's complement)).		(dBm(2's complement)).
	Screen Packet Count: Received packet number.		Screen Packet Count: Received packet number.
	Neighbor Count: The neighbor number of this channel.		Neighbor Count: The neighbor number of this channel.
	Mean Noise: the average noise on this channel (dBm(2's complement)).		Mean Noise: the average noise on this channel (dBm(2's complement)).
	Interference: The interference of the channel, including STA		Interference: The interference of the channel.
	interference and WTP interference.
	WTP Tx Occp: (The WTP transmission time/Monitor time)*255. The WTP		WTP Tx Occp: (The WTP transmission time/Monitor time)*255. The WTP
	transmission time is the total sending time of the WTP during the		transmission time is the total sending time of the WTP during the
	period of channel scan.		period of channel scan.
	WTP Rx Occp: (The WTP receiving duration time/Monitor time)*255. THe		WTP Rx Occp: (The WTP receiving duration time/Monitor time)*255. THe
	WTP receiving duration time is the total receiving time of the WTP		WTP receiving duration time is the total receiving time of the WTP
	during the period of channel scan.		during the period of channel scan.
	Unknown Occp: (All other packet transmission time duration/Monitor		Unknown Occp: (All other packet transmission time duration/Monitor
	skipping to change at page 14, line 18		skipping to change at page 14, line 16
	Phy Err Cnt: Physical err packet number.		Phy Err Cnt: Physical err packet number.
	Retrans Cnt: Retransmission packet number.		Retrans Cnt: Retransmission packet number.
	Note:The values of the above four count fields for a non-operational		Note:The values of the above four count fields for a non-operational
	channel can be ignored		channel can be ignored
	4.3.4. IEEE 802.11 WTP Neighbor Report		4.3.4. IEEE 802.11 WTP Neighbor Report
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Radio ID | Reserved | Number of Neighbor Report |		| Radio ID | Reserved | Number of Neighbor Report |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	| Neighbor Infor... |		| Neighbor Infor... |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	Figure 10: WTP Neighbor Report TLV		Figure 10: WTP Neighbor Report TLV
	The definition of Neighbor info is as follows:		The definition of Neighbor info is as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| BSSID |		| BSSID |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| BSSID | Channel Number |		| BSSID | Channel Number |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	| 2nd Offset | Mean RSSI | Sta Occp | WTP Occp |		| 2nd Offset | Mean RSSI | Sta Occp | WTP Occp |
	+---------------------------------------------------------------+		+---------------------------------------------------------------+
	Figure 11: Neighbor info		Figure 11: Neighbor info
	BSSID: The BSSID of this neighbor WTP.		BSSID: The BSSID of this neighbor WTP.
	Channel Number: The channel number of this WTP neighbor.		Channel Number: The channel number of this WTP neighbor.
	2nd channel offset: The auxiliary channel offset of this WTP.		2nd channel offset: The auxiliary channel offset of this WTP.
	Mean RSSI: The average signal strength of this WTP (dbm).		Mean RSSI: The average signal strength of this WTP (dbm).
	skipping to change at page 16, line 4		skipping to change at page 15, line 50
	TBD5: Channel Scan Report Message Element type value described in		TBD5: Channel Scan Report Message Element type value described in
	section 4.3.3.		section 4.3.3.
	TBD6 entry for WTP Neighbor Report as descrbed in section 4.3.4 .		TBD6 entry for WTP Neighbor Report as descrbed in section 4.3.4 .
	7. Contributors		7. Contributors
	This draft is a joint effort from the following contributors:		This draft is a joint effort from the following contributors:
	Gang Chen: China Mobile chengang@chinamobile.com		Gang Chen: China Mobile chengang@chinamobile.com
	Naibao Zhou: China Mobile zhounaibao@chinamobile.com
			Naibao Zhou: China Mobile zhounaibao@chinamobile.com
	Chunju Shao: China Mobile shaochunju@chinamobile.com		Chunju Shao: China Mobile shaochunju@chinamobile.com
	Hao Wang: Huawei3Come hwang@h3c.com		Hao Wang: Huawei3Come hwang@h3c.com
	Yakun Liu: AUTELAN liuyk@autelan.com		Yakun Liu: AUTELAN liuyk@autelan.com
	Xiaobo Zhang: GBCOM		Xiaobo Zhang: GBCOM
	Xiaolong Yu: Ruijie Networks		Xiaolong Yu: Ruijie Networks
	skipping to change at page 17, line 28		skipping to change at page 17, line 28
	Yifan Chen		Yifan Chen
	China Mobile		China Mobile
	No.32 Xuanwumen West Street		No.32 Xuanwumen West Street
	Beijing 100053		Beijing 100053
	China		China
	Email: chenyifan@chinamobile.com		Email: chenyifan@chinamobile.com
	Dapeng Liu		Dapeng Liu
	China Mobile		Beijing
	No.32 Xuanwumen West Street
	Beijing 100053
	China		China
	Email: liudapeng@chinamobile.com		Email: maxpassion@gmail.com
	Hui Deng		Hui Deng
	China Mobile		China Mobile
	No.32 Xuanwumen West Street		No.32 Xuanwumen West Street
	Beijing 100053		Beijing 100053
	China		China
	Email: denghui@chinamobile.com		Email: denghui@chinamobile.com
	Lei Zhu		Lei Zhu
End of changes. 22 change blocks.
	86 lines changed or deleted		87 lines changed or added
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