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The Challenges of Testing MIMO (3.94 MB)

2005-11-01

Because MIMO technology presents technical hurdles to chipset vendors, Fan Liang, LitePoint director of field engineering, focuses on demystifying physical layer issues with MIMO and presents ways of improving MIMO performance.

Using Advanced Signal Analysis to Identify Sources of WLAN Transmitter Degradations (125.76 KB)

2004-10-01

Christian Olgaard, LitePoint co-founder & VP engineering, describes techniques to identify and troubleshoot the impacts of amplitude, phase, and group delay imbalances between the I and Q channels, phase noise, spurious signals and transient effects, and signal compression on transmitter performance.

Combining CCDF and EVM to Assess 802.11 Transmitters (35.08 KB)

2004-09-01

Multicarrier orthogonal frequency division multiplex (OFDM) signals are employed by 802.11a/g to support the highest data rates under the 802.11a/b/g standards. Christian Olgaard, LitePoint co-founder and VP engineering presents how they pose challenges that wireless LAN (WLAN) product designers and manufacturers should be aware of.

Evaluating the Impact of Pulsed Phase Noise on 802.11a/g OFDM Transmit Performance (117.96 KB)

2004-11-01

Carsten Andersen & Dick Walvis, members of the LitePoint technical staff. point out how using advanced WLAN test instruments, the designer can assess the impact of pulsed phase noise in the design tip.

Challenges Ahead for WiMAX Test from RF Design (599.91 KB)

2007-05-21

Addressing the measurement issues related to WiMAX are key to ensuring its market success. Read how LitePoint offers multiple solutions to address R&D and manufacturing needs.

Speeding Up Manufacturing Test of WiMAX Equipment (356.38 KB)

2007-05-21

Addressing the measurement issues related to WiMAX are key to ensuring its market success. Read how Christian Olgaard, LitePoint co-founder & VP engineering, shows that by optimizing the DUT's driver to generate non-linked based signals leads to test times many time faster than currently possible.

MIMO WLAN Test Methodologies for Manufacturing (473.5 KB)

2007-06-01

Four different methodologies are used for testing MIMO WLAN chipsets and products. In this RF Design article, Dick Walvis and Sireesha Mallipeddi of LitePoint demonstrate how each methodology has its advantages and disadvantages.

Streamlining Wireless Test from Design through QA (1.53 MB)

2007-06-01

Implementing a common test platform and test methodology is an important step along the way. But, as Anita Chapman, business development director of LitePoint shares, the real time saver lies in the intelligence of the automated test software that runs on these systems.

WiFi MIMO 802.11n Testing - EDNChina May 2008 - in Chinese (1.54 MB)

2008-05-23

Rob Brownstein, LitePoint VP MR&C, shares ways to optimize MIMO testing to overcome its challenges.

Understanding WiMAX From the PHY Perspective - Evaluation Engineering Feb 2008 (3.42 MB)

2008-02-01

Fan Liang and Onno Harm of LitePoint address how fast, accurate, and low-cost manufacturing test methodologies are essential for WiMAX technology to be productized.