search

Today, Dell began shipping a laptop with the option to add Qualcomm Tri-band WiGig (at 60 GHz) as well as Wi-Fi. Dell’s Latitude 6430u Ultrabooks, using “Tri-band” encompasses the two bands used by 802.11n Wi-Fi: 2.4GHz and 5 GHz, as well as the new 802.11ad WiGig band at 60 GHz.

The Dell Latitude 6430u includes both 2.4 and 5 GHz connections, as well as a new 60 GHz connection that can deliver speeds up to 4.6 gigabits per second. The 60 GHz 802.11ad standard is designed to handle high-bandwidth, low-latency traffic.

The Dell Latitude 6430u can wirelessly connect your existing peripherals via a new wireless dock. The Wireless Dock supports up to two external displays with both DisplayPort and HDMI. It also includes three USB 3.0 ports and a front Audio In/Out port for voice over IP.

WiGig is supported and driven by the Wireless Gigabit Alliance, comprising dozens of industry-leading member companies including Dell, Qualcomm and Wilocity, a fabless semiconductor company developing 60 GHz multi-gigabit wireless chipsets.

QualComm and Wilocity launched their tri-band reference design that combines 802.11ac and 802.11ad wireless capabilities on a single module at CES 2013.

WiGig, using the 802.11ad standard, supports data transmission rates up to 7 Gbit/s – more than ten times faster than the highest 802.11n rate.


Here’s a review of evolving WiFi standards:

  • IEEE 802.11n: Increased the maximum raw data rate from 54 Mbit/s to 600 Mbit/s by using as many as four spatial streams with a double width channel (40 MHz). MIMO architecture and wider channels improved speeds on 5 GHz and 2.4 GHz channels.
  • IEEE 802.11ac: Provides high throughput in the 5 GHz band. It uses 80 MHz and 160 MHz channel bandwidths (vs. 40 MHz maximum in 802.11n) and supports up to 8 spatial streams (vs. 4 in 802.11n)
  • IEEE 802.11ad: Now with the WiGig specs folded in, provides high throughput in the 5 GHz band and 60 GHz bands. The 60 GHz band is stopped by walls, so range will be shorter, but the spectrum is wider, supporting nearly 7 Gbps throughput.
  • Wireless HD: A trade group led by SiBeam, allows for either compressed (H.264) or uncompressed digital transmission of high-definition video and audio and data signals, essentially making it equivalent of a wireless HDMI. The WirelessHD specification has provisions for content encryption via Digital Transmission Content Protection (DTCP). SiBEAM was acquired by Silicon Image in April 2011

The IEEE 802.11ac and 802.11ad standards may also use Multi-user MIMO (MU-MIMO), where simultaneous streams are transmitted to different users on the same channels.

Related Dailywireless articles include; Marvel 802.11ac: Now with 4×4 Beamforming, Fast Transistion to 802.11ac Predicts ABI, Broadcom 802.11ac for Phones, Netgear 802.11AC WiFi Router, Cisco 802.11ac Router with Cloud Control, Quantenna: 802.11ac Chipset, Buffalo 802.11ac Routers, What is Miracast?

Something to say?

You must be logged in to post a comment.