全部博文(306)
发布时间:2017-09-06 03:12:55
WMM maps the TOS (type of service) field present in the 802.3 packet from the IP stack to the WLANaccess categories as mentioned in Table 5-14 and Figure 5-29.Table 5-15 TID to AC Conversion:TID Access Category0, 3 WME_AC_BE1, 2 WME_AC_BK4, 5 WME_AC_VI / WME_AC_VOThe macro TID_TO_WME_AC con.........【阅读全文】
发布时间:2017-02-23 11:07:11
天线的增益就比较抽象难懂,大多数人只知道天线增益愈高愈好,但是还是搞不清楚天线增益的意义。天线的增益就比较抽象难懂,大多数人只知道天线增益愈高愈好,但是还是搞不清楚天线增益的意义。 我们假设在自由空间存在一个理想的天线,它可以将电波以球状向外辐射,也就是说距离天线的各点其电波强度相同。我们假设.........【阅读全文】
发布时间:2016-12-19 15:46:16
Block AcknowledgementIt is initialized by ADDBA request / response from between originator and recipient.after initiation blocks of QoS data are transmitted from originator to recipient.the originator can start transmitting the blocks of dat.........【阅读全文】
发布时间:2016-08-22 18:30:57
STA-AP: WPA-PSK Connection Establishment (Sequence Diagram)SummaryProbe response and beacon frames include the WPA IE (AP WPA capabilities)Association request from STA includes the WPA IE (STA WPA capablities).........【阅读全文】
发布时间:2016-05-12 11:24:41
Introduction802.11 frames : A starter guide to learn wireless sniffer tracesFrame typesAll lines in italic and smaller caracters refer to Contention-Free systems and are never implemented in 99% of the wireless devices, so of little importance.........【阅读全文】