multiple systems wireless communication
On the Relation Between Bandwidth and Robustness of UWB Channel in Complex Confined Areas
White Paper Ultra-Wideband (UWB) communication has been the subject of extensive research in recent years due to its unique capabilities and potential applications, particularly in short-range multiple access wireless communications. [08 Jul 2008]
Implementation of a MIMO OFDM-Based Wireless LAN System
White Paper 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... [10 Apr 2008]
Implementation of a MIMO OFDM Based Wireless LAN System
White Paper 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... [10 Apr 2008]
Variable Bit Allocation for FH-CDMA Wireless Communication Systems
White Paper In the wireless indoor environment, the channel may vary slowly as users and the interferers may move at slow speeds. A frequency-hopped code-division multiple-access system can adapt to the different interference levels in hopping patterns and... [10 Apr 2008]
Effective Throughput: A Unified Benchmark for Pilot-Aided OFDM/SDMA Wireless Communication Systems
White Paper This paper studies the uplink performance of an orthogonal frequency division multiplexing (OFDM) wireless system where multiple antennas are utilized at the base station (BS). Further, capacity can be greatly enhanced through spatial division... [10 Apr 2008]
OSE Case Study: Ericsson Radio Systems
White Paper When Ericsson embarked on the task of building a third generation communication system for wireless applications, the company opted to support WCDMA (Wideband Code Division Multiple Access) for the Universal Mobile Telecommunications System (UMTS). [03 Apr 2008]
Design of Networking Protocols for Shallow Water Peer-to-Peer Acoustic Networks
White Paper Communication between a set of underwater systems such as remote sensors, autonomous underwater vehicles and control vessels would enhance the effective use of such systems tremendously. As an alternative to orthogonal schemes, random shared access... [08 Jan 2008]
Improving Wireless LAN Performance Via Adaptive Local Error Control
White Paper Wireless links can exhibit high error rates due to attenuation, fading, or interfering active radiation sources. To make matters worse, error rates can be highly variable due to changes in the wireless environment. [05 Dec 2007]
Wireless Network Technologies
White Paper It discusses Network technologies, multiple access methods, and data communication systems (past, present, and future). This white paper provides an overview of the different network technologies in the wireless industry. [28 Oct 2007]
Rapid MIMO-OFDM Software Defined Radio System Prototyping
White Paper Multiple Input-Multiple Output (MIMO) is an attractive technology for future wireless systems. MIMO-OFDM is currently being considered for a number of developing wireless standards; consequently, the study of MIMO-OFDM in realistic environments is... [31 Aug 2007]
Multiple Description Image Coding: A New Efficient and Low Complexity Approach for Wireless Applications
White Paper This paper describes a new efficient and simple multiple description image coding system for the reliable communication of images in wireless communication systems. The simulation results indicate the good performance of this method, particularly... [23 Aug 2007]
Rapid MIMO-OFDM Software Defined Radio System Prototyping
White Paper Multiple Input-Multiple Output (MIMO) is an attractive technology for future wireless systems. MIMO-OFDM is currently being considered for a number of developing wireless standards; consequently, the study of MIMO-OFDM in realistic environments is... [10 Aug 2007]
Throughput Enhancement for Wireless Communication Systems Using the Multiple Antenna Technique MIMO
White Paper One of the main goals in developing next generation wireless communication systems is increasing the data rates. A test system is built in which the OFDM based Wireless LAN standard IEEE 802.11a is extended with MIMO. [08 Aug 2007]
Information Survivability for Mobile Wireless Systems
White Paper In discussing security and survivability issues in mobile wireless networks, the paper focus here on group communication, as applied to multimedia conferencing. The need to conserve resources in wireless networks encourages the use of multicast... [01 Aug 2007]
On the Exploitation of Multiple Access Points in a Wireless Single-Frequency-Network Using TDD-OFDM-MIMO Techniques
White Paper The Multiple-Input-Multiple-Output (MIMO) technique is the most attractive candidate to improve the spectrum efficiency in the next generation wireless communication systems. This paper proposes a new MIMO data transmission scheme, which combines... [18 Apr 2007]
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