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next generation mimo

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Implementation of a MIMO OFDM-Based Wireless LAN System

whitepaper The combination of multiple-input multiple-output (MIMO) signal processing with orthogonal frequency division multiplexing (OFDM) is regarded as a promising solution for enhancing the data rates of next-generation wireless communication systems...

Tags: wireless lan, frequency, processing, division

[10 Apr 2008]

Implementation of a MIMO OFDM Based Wireless LAN System

whitepaper The combination of Multiple-Input Multiple-Output (MIMO) signal processing with Orthogonal Frequency Division Multiplexing (OFDM) is regarded as a promising solution for enhancing the data rates of next generation wireless communication systems...

Tags: modems, frequency, processing, mimo

[10 Apr 2008]

A MIMO-OFDM Prototype for Next-Generation Wireless WANs

whitepaper Coupled with a robust and efficient OFDM air interface, MIMO technologies lead to a very compelling high-speed data downlink solution for future wireless systems. This paper presents Nortel Networks' MIMO-OFDM concept prototype and measured...

Tags: mobile - wireless communications, concept, ofdm, nortel

[07 Jan 2008]

Throughput Enhancement for Wireless Communication Systems Using the Multiple Antenna Technique MIMO

whitepaper A promising way to achieve this is the combination of Multiple-Input Multiple-Output (MIMO) signal processing with Orthogonal Frequency Division Multiplexing (OFDM). A test system is built in which the OFDM based Wireless LAN standard IEEE 802.11a...

Tags: modems, wireless lan, next generation, rates

[08 Aug 2007]

On the Exploitation of Multiple Access Points in a Wireless Single-Frequency-Network Using TDD-OFDM-MIMO Techniques

whitepaper The Multiple-Input-Multiple-Output (MIMO) technique is the most attractive candidate to improve the spectrum efficiency in the next generation wireless communication systems. However, the efficiency of MIMO techniques reduces in the Line Of Sight...

Tags: wireless lan, transmission, mimo, sight

[18 Apr 2007]

Channel Capacity of TDD-OFDM-MIMO for Multiple Access Points in a Wireless Single-Frequency-Network

whitepaper The Multiple-Input-Multiple-Output (MIMO) technique is the most attractive candidate to improve the spectrum efficiency in the next generation wire-less communication systems. However, the efficiency of MIMO techniques reduces in the Line Of Sight...

Tags: wireless lan, transmission, scheme, capacity

[18 Apr 2007]

Performance Analysis of Beamforming for MIMO OFDM With BICM

whitepaper Furthermore, the authors investigate beamforming in conjunction with next generation Wireless Local Area Networks (WLANs). This paper shows and quantifies both analytically and via simulations that the use of channel knowledge at the transmitter...

Tags: wireless lan, channel, frequency, space

[13 Apr 2007]

Space-Time/Frequency Coding for MIMO-OFDM in Next Generation Broadband Wireless Systems

whitepaper With the advent of the next generation (4G) broadband wireless communications, the combination of Multiple-Input Multiple-Output (MIMO) wireless technology with Orthogonal Frequency Division Multiplexing (OFDM) has been recognized as one of the...

Tags: wireless lan, ofdm, space, frequency

[11 Apr 2007]

Qualcomm snaps up Airgo

News Qualcomm has acquired a key player in the next era of wireless connectivity, Mimo pioneer Airgo. Mimo - multiple input, multiple output - is central to upcoming technologies such as mobile WiMax and the 802.11n wi-fi standard, as well as the long...

Tags: mobile wimax, mimo, airgo, qualcomm

[05 Dec 2006]

MIMO and Smart Antenna Techniques for 802.11a/b/g

whitepaper The .11n proposals have centered on a wireless technology called MIMO (Multiple-In, Multiple-Out), and proprietary MIMO chipsets are already available in the market for experimentation. Its popularity, in turn, has raised the awareness of current...

Tags: wireless lan, next generation, fi, wi fi

[26 Aug 2006]

Next-gen wi-fi to serve up IPTV?

News Mimo is currently the primary basis for next-generation wi-fi standard 802.11n. Airgo's next-generation chips, called True Mimo Gen3, provided transmission speeds up to 240Mbps when tested in Airgo's 6,000-square-foot model home, said Dave Borison...

Tags: iptv, airgo, wi-fi

[31 May 2006]

Joint Frequency Offset Estimation and Interference Cancellation for MIMO-OFDM Systems

whitepaper Synchronization and equalization in wireless multiuser MIMO-OFDM (Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing) systems is important for next generation wireless communication.

Tags: mobile - wireless communications, frequency, space, ofdm

[17 May 2006]

ASIC Implementation of a MIMO-OFDM Transceiver for 192 Mbps WLANs

whitepaper This paper presents, to the best of the authors' knowledge, the first 4 × 4 MIMO-OFDM WLAN physical layer ASIC based on the OFDM specifications of the IEEE 802.11a standard. Next generation Wireless Local Area Networks (WLANs) such as the IEEE...

Tags: ofdm, throughput, paper presents, physical

[16 Feb 2006]

Downlink Multicell MIMO-OFDM: An Architecture for Next Generation Wireless Networks

whitepaper This paper considers a multicell MIMO-OFDM TDD system where the emphasis is on the downlink for future data-intensive applications. Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier transmission scheme that is well-recognized for...

Tags: mobile - wireless communications, frequency, transmission, rate

[26 Jul 2005]

Magic Squares Transmission Scheme for MIMO OFDM Systems Under Fast Fading Channel

whitepaper This paper presents high data rate transmission scheme for Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) systems under fast fading channel in wireless communication.

Tags: mobile - wireless communications, wireless communication, division, efficiency

[21 Jul 2005]

Principles of MIMO-OFDM Wireless Systems

whitepaper A particularly promising candidate for next-generation fixed and mobile wireless systems is the combination of MIMO technology with Orthogonal Frequency Division Multiplexing (OFDM). The use of multiple antennas at both ends of a wireless link...

Tags: wireless lan, link, mimo, mimo ofdm

[28 Mar 2005]

A Low Complexity Space-Frequency BICM MIMO-OFDM System for Next-Generation WLANs

whitepaper This paper proposes a low complexity Space-Frequency Bit Interleaved Coded (SF-BICM) Multiple-Input Multiple-Output (MIMO) OFDM system as a promising candidate for Next Generation Wireless LANs, expected to operate in excess of 100Mb/s.

Tags: modems, complexity, maximum likelihood, generation

[21 Oct 2004]

Signature and Beamformer Optimization for MIMO-CDMA Based on the Mean Squared Error Criterion

whitepaper CDMA is a promising candidate to meet the high data rate demands of next generation wireless systems. However, the performance of a highly loaded CDMA system may suffer from multi-access interference.

Tags: tdma - cdma, multi, interference, antennas

[02 Aug 2004]

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