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This date is August 8, 2014 at 9:30-11:30.
Cisco Meraki Product Update
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Raj Krishna, Wireless Product Manager, welcomes the Wireless Field Day delegates and gives an update on the Cisco Meraki product and market. He discusses sales growth, new features, and integration of Meraki with Cisco.
Personnel: Raj Krishna
Wireless as a Platform
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Raj Krishna, Wireless Product Manager, presents the Cisco Meraki wireless platform. He discusses enterprise integration, APIs, and example customer architecture. He is then joined by Katie Lane, Lead Product Marketing Manager, who demonstrates these features. Topics include CMX API, SAML, and customer case studies for Cloudessa, Splash Access, Arqiva, and Time Warner Cable.
Personnel: Katie Lane, Raj Krishna
Cisco Meraki Traffic Analysis Deep Dive
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Katie Lane, Lead Product Marketing Manager, and Raj Krishna, Wireless Product Manager, discuss and demonstrate the Cisco Meraki traffic analytics capabilities.
Personnel: Katie Lane, Raj Krishna
Cisco 802.11ac Update
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Raj Krishna, Wireless Product Manager, and Mark Denny, Product Manager, discuss the Cisco transition to 802.11ac. This includes deployment and sales numbers and a roadmap to gigabit Wi-Fi.
Personnel: Mark Denny, Raj Krishna
Cisco MU-MIMO Deep Dive
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In the Tech Field Day presentation titled “Cisco MU-MIMO Deep Dive,” Matt Silverman, a Technical Leader at Cisco, provides an in-depth exploration of MIMO technology, focusing on the transition from single-user MIMO (SU-MIMO) to multi-user MIMO (MU-MIMO). Silverman begins by explaining the basics of SU-MIMO, which has been a part of the 802.11 standards since the ABG iterations. SU-MIMO allows for the transmission of multiple spatial streams to a single client, thereby increasing throughput and capacity. However, this requires multiple antennas on both the access point (AP) and the client. The introduction of 11n and 11ac standards has enabled higher data rates, but the presence of lower data rate clients, such as those with one or two antennas, can still drag down overall network performance.
Silverman then delves into the mechanics of MU-MIMO, which aims to enhance overall network capacity by transmitting different spatial streams to multiple clients simultaneously. This approach is particularly beneficial in environments with a mix of high and low data rate clients. By sending one spatial stream to each client, MU-MIMO can optimize the use of available bandwidth and reduce contention events, which occur when multiple devices compete for access to the wireless medium. Silverman explains that the AP must perform complex beamforming and nulling techniques to ensure that each client receives its intended spatial stream without interference from others. This involves sophisticated channel sounding protocols, where the AP periodically sends out frames to measure the channel conditions and adjust its transmission strategy accordingly.
The presentation also addresses the challenges of implementing MU-MIMO, such as the need for frequent channel sounding and the difficulty of maintaining accurate beamforming in dynamic environments. Clients that are mobile or located at the edge of the cell may require more frequent channel updates, which can introduce overhead and reduce the efficiency of MU-MIMO. Silverman emphasizes the importance of intelligent scheduling and firmware that can dynamically decide whether to use SU or MU-MIMO based on current network conditions. He also notes that while MU-MIMO can significantly improve performance in high-density environments like stadiums, it is not a one-size-fits-all solution and must be carefully integrated into the overall network design.
Personnel: Matt Silverman
Cisco RX-SOP Deep Dive
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Kshitij Mahant, Technical Marketing Engineer, introduces RX-SOP for high-density WLAN environments. He is joined by John Blosco, Technical Lead, who presents the details of RX-SOP. After some time at the whiteboard, the pair answer questions from the Tech Field Day delegates and show real-world examples.
Personnel: John Blosco, Kshitij Mahant