Videos Archive - Page 238 of 278

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.

Cisco MU-MIMO Deep Dive

Event: Wireless Field Day 7

Appearance: Cisco Presents at Wireless Field Day 7

Company: Cisco, Cisco Mobility

Video Links:

Vimeo: Cisco MU-MIMO Deep Dive
YouTube: Cisco MU-MIMO Deep Dive

Personnel: Matt Silverman

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.

Cisco 802.11ac Update

Event: Wireless Field Day 7

Appearance: Cisco Presents at Wireless Field Day 7

Company: Cisco, Cisco Mobility

Video Links:

Vimeo: Cisco 802.11ac Update
YouTube: Cisco 802.11ac Update

Personnel: Mark Denny, Raj Krishna

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.

Cisco Meraki Traffic Analysis Deep Dive

Event: Wireless Field Day 7

Appearance: Cisco Presents at Wireless Field Day 7

Company: Cisco, Cisco Mobility, Meraki

Video Links:

Vimeo: Cisco Meraki Traffic Analysis Deep Dive
YouTube: Cisco Meraki Traffic Analysis Deep Dive

Personnel: Katie Lane, Raj Krishna

Katie Lane, Lead Product Marketing Manager, and Raj Krishna, Wireless Product Manager, discuss and demonstrate the Cisco Meraki traffic analytics capabilities.

Wireless as a Platform

Event: Wireless Field Day 7

Appearance: Cisco Presents at Wireless Field Day 7

Company: Cisco, Cisco Mobility, Meraki

Video Links:

Vimeo: Wireless as a Platform
YouTube: Wireless as a Platform

Personnel: Katie Lane, Raj Krishna

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.

Cisco Meraki Product Update

Event: Wireless Field Day 7

Appearance: Cisco Presents at Wireless Field Day 7

Company: Cisco, Cisco Mobility, Meraki

Video Links:

Vimeo: Cisco Meraki Product Update
YouTube: Cisco Meraki Product Update

Personnel: Raj Krishna

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.

Social Wi-Fi Roundtable

Event: Wireless Field Day 7

Appearance: Wireless Field Day 7 Delegate Roundtables

Company: N/A

Video Links:

Vimeo: Social Wi-Fi Roundtable
YouTube: Social Wi-Fi Roundtable

Personnel: Stephen Foskett

Social Wi-Fi sign-in is a controversial topic. Is Wi-Fi a utility like electricity or an optional amenity? And is giving up one’s Facebook credentials an appropriate price to be able to use the Internet in a public place? Regardless of your opinion on the matter, social Wi-Fi is coming, along with new applications that offer radical customization of real-world user experience.

WLAN Design Standards Roundtable

Event: Wireless Field Day 7

Appearance: Wireless Field Day 7 Delegate Roundtables

Company: N/A

Video Links:

Vimeo: WLAN Design Standards Roundtable
YouTube: WLAN Design Standards Roundtable

Personnel: Stephen Foskett

Stephen Foskett and the Wireless Field Day 7 delegates discuss design standards for wireless LANs (WLAN). Are standards and “rules of thumb” a good thing for the industry? Do they just cause customers to over-pay or do they have a place in the planning process? And how could the whole situation be improved?

Multi Vendor Wi-Fi Roundtable

Event: Wireless Field Day 7

Appearance: Wireless Field Day 7 Delegate Roundtables

Company: N/A

Video Links:

Vimeo: Multi Vendor Wi-Fi Roundtable
YouTube: Multi Vendor Wi-Fi Roundtable

Personnel: Stephen Foskett

Stephen Foskett and the Wireless Field Day 7 delegates discuss the prospect of multi-vendor Wi-Fi implementations. Why are enterprise Wi-Fi networks so homogenous? Where are the “white-box” access points? Will software-defined networking (SDN) make a difference?