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Proposed amendment to table 7-8

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Presentation on theme: "Proposed amendment to table 7-8"— Presentation transcript:

1 Proposed amendment to table 7-8
September 2007 doc.: IEEE /2549r0 September 2007 Proposed amendment to table 7-8 Date: Authors: Guido R. Hiertz, Philips et al. Guido R. Hiertz, Philips et al.

2 September 2007 doc.: IEEE /2549r0 September 2007 Abstract In Std , table 7-8 (page 80) in chapter (Beacon frame format) describes the Information Elements (IEs) and their order of occurrence in a beacon frame. As s uses beacon frames that are sent independently of beacon frames for infrastructure BSSs or IBSSs, we propose to amend table 7-8 to explicitly describe the relationship between the presence of specific IEs and the setting of the Capability Information field element bits B0 and B1. Guido R. Hiertz, Philips et al. Guido R. Hiertz, Philips et al.

3 Proposed amendment (1) September 2007 September 2007
doc.: IEEE /2549r0 September 2007 Proposed amendment (1) Capability Information field bits B0 B1 00 01 10 11 Order Information Notes 1 Timestamp Shall be present undefined 2 Beacon interval 3 Capability 4 Service Set Identifier (SSID) Shall not be present 5 Supported rates See Notes 6 Frequency-Hopping (FH) Parameter Set The FH Parameter Set information element is present within Beacon frames generated by STAs using FH PHYs. 7 DS Parameter Set The DS Parameter Set information element is present within Beacon frames generated by STAs using Clause 15, Clause 18, and Clause 19 PHYs. 8 CF Parameter Set The CF Parameter Set information element is present only within Beacon frames generated by APs supporting a PCF. 9 IBSS Parameter Set The IBSS Parameter Set information element is present only within Beacon frames generated by STAs in an IBSS. Traffic indication map (TIM) The TIM information element is present only within Beacon frames generated by APs. Guido R. Hiertz, Philips et al. Guido R. Hiertz, Philips et al.

4 Proposed amendment (2) September 2007 September 2007
doc.: IEEE /2549r0 September 2007 Proposed amendment (2) Capability Information field bits B0 B1 00 01 10 11 Order Information Notes Country See Notes undefined The Country information element shall be present when dot11MultiDomainCapabilityEnabled is true or dot11SpectrumManagementRequired is true. 12 FH Parameters FH Parameters as specified in may be included if dot11MultiDomainCapabilityEnabled is true. 13 FH Pattern Table FH Pattern Table information as specified in may be included if dot11MultiDomainCapabilityEnabled is true. 14 Power Constraint Power Constraint element shall be present if dot11SpectrumManagementRequired is true. 15 Channel Switch Announcement Channel Switch Announcement element See Notes if dot11SpectrumManagementRequired is true. Guido R. Hiertz, Philips et al. Guido R. Hiertz, Philips et al.

5 Proposed amendment (3) September 2007 September 2007
doc.: IEEE /2549r0 September 2007 Proposed amendment (3) Capability Information field bits B0 B1 00 01 10 11 Order Information Notes 16 Quiet See Notes undefined Quiet element See Notes if dot11SpectrumManagementRequired is true. 17 IBSS DFS Shall not be present IBSS DFS element shall be present if dot11SpectrumManagementRequired is true in an IBSS. 18 TPC Report TPC Report element shall be present if dot11SpectrumManagementRequired is true. 19 ERP Information The ERP Information element is present within Beacon frames generated by STAs using extended rate PHYs (ERPs) defined in Clause 19 and is optionally present in other cases. 20 Extended Supported Rates The Extended Supported Rates element is present whenever there are more than eight supported rates, and it is optional otherwise. 21 RSN The RSN information element shall be present within Beacon frames generated by STAs that have dot11RSNAEnabled set to TRUE. 22 BSS Load The BSS Load element is present when dot11QosOption-Implemented and dot11QBSSLoadImplemented are both true. Guido R. Hiertz, Philips et al. Guido R. Hiertz, Philips et al.

6 Proposed amendment (4) September 2007 September 2007
doc.: IEEE /2549r0 September 2007 Proposed amendment (4) Capability Information field bits B0 B1 00 01 10 11 Order Information Notes 23 EDCA Parameter Set See Notes undefined The EDCA Parameter Set element is present when dot11QosOptionImplemented is true and the QoS Capability element is not present. 24 QoS Capability The QoS Capability element is present when dot11QosOption-Implemented is true and EDCA Parameter Set element is not present. 25 Vendor Specific One or more vendor-specific information elements may appear in this frame. This information element follows all other information elements. Guido R. Hiertz, Philips et al. Guido R. Hiertz, Philips et al.

7 References Std. 802.11-2007 September 2007 September 2007
doc.: IEEE /2549r0 September 2007 References Std Guido R. Hiertz, Philips et al. Guido R. Hiertz, Philips et al.

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