multiple systems wireless communication division
RSS multiple systems wireless communication division
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Real-Time Algorithms and Architectures for Multiuser Channel Estimation and Detection in Wireless Base-Station Receivers
White Paper This paper presents algorithms and architecture designs that can meet real-time requirements of multiuser channel estimation and detection in future code-division multiple-access-based wireless base-station receivers. [03 Jul 2008]
Antenna Selection for Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing Systems
White Paper This paper addresses the problem of transmit antenna selection for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems employing spatial multiplexing. The capacity of a wireless communication system can be... [03 Jul 2008]
SINR Maximizing Space-Time Filtering for Asynchronous DS-CDMA
White Paper Direct Sequence Code Division Multiple Access (DS-CDMA) is a core technology for wireless access that is proposed for future Generation (3G) mobile and personal communication systems. The use of a base-station antenna array is strongly endorsed in... [03 Jul 2008]
Erlang Capacity of a Forward Link for Multirate DS/CDMA System
White Paper Traditionally, the major multiple access schemes include FDMA (Frequency Division Multiple Access), TDMA (Time Division Multiple Access), and CDMA (Code Division Multiple Access). Future wireless communication systems should support multimedia... [03 Jul 2008]
A New CDMA/SDMA Structure With Transmit Diversity
White Paper Space division multiple access (SDMA) is a technique, which can be used to increase the capacity of mobile communication systems by exploiting the spatial separation between different users. Space-time block codes can provide good performance in... [03 Jul 2008]
Wavelet-Based Separating Kernels for Array Processing of Cellular DS/CDMA Signals in Fast Fading
White Paper We propose new detectors for direct-sequence code-division multiple-access (CDMA) signals that outperform known approaches in rapidly fading multipath channels. We show that it is possible to represent the channel in a reduced-order dimensional... [03 Jul 2008]
Adaptive Nonuniform Phase-Shift-Key Modulation for Multimedia Traffic in Wireless Networks
White Paper Several adaptive signaling techniques have been proposed for use in wideband Code-Division Multiple-Access (CDMA) systems including adaptive data rates, adaptive spreading code rates, discontinuous transmission, and multicode CDMA. [03 Jul 2008]
Experimental Studies on Optimal Space-Frequency Codes for MIMO-OFDM Systems
White Paper This paper tests the performance of optimal Space-Frequency Code (SFC) in Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) communication system on Stevens Wireless Testbed. [03 Jul 2008]
Output and Delay Process Analysis for Slotted CDMA Wireless Communication Networks With Integrated Voice/Data Transmission
White Paper This paper presents the output and delay process analysis of integrated voice/data slotted Code Division Multiple Access (CDMA) network systems with random access protocol for packet radio communications. [03 Jul 2008]
Variable Bit Allocation for FH-CDMA Wireless Communication Systems
White Paper A frequency-hopped code-division multiple-access system can adapt to the different interference levels in hopping patterns and assign the slots different bit rates to increase the system capacity. In the wireless indoor environment, the channel may... [03 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]
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]
Rapid MIMO-OFDM Software Defined Radio System Prototyping
White Paper Combining MIMO with Orthogonal Frequency Division Multiplexing (OFDM), it is possible to significantly reduce receiver complexity as OFDM greatly simplifies equalization at the receiver. Multiple Input-Multiple Output (MIMO) is an attractive... [31 Aug 2007]
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