rate diversity
RSS rate diversityUtilizing Path Diversity in Optical Packet Switched Interconnection Networks
White Paper Semiconductor Optical Amplifiers (SOAs) are used as switching elements to allow for all-optical wideband transmission and packet-rate granularity, facilitating high bandwidth, ultra-low latency, and high utilization that are required for future... [18 Jul 2008]
Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts
White Paper It is shown from an EXIT chart analysis that the multipath diversity can yield a larger area under the EXIT curve of the inner detector. This area is related to the achievable rate of the system and it can be exploited with the aid of iterative... [11 Jul 2008]
Performance of MT-CDMA System With Post-Detection Diversity Reception Over Rician Fading Channel
White Paper Here, the influence of the order of diversity and number of tones is studied for given bandwidth (BW), bit rate and transmitter power. The system uses differential binary phase shift keying (DBPSK) modulation and post detection diversity combining... [10 Apr 2008]
Spatial Multiplexing and Diversity Gain in OFDM-Based MIMO Systems
White Paper The basic model of OFDM-based spatial multiplexer is very suitable for high data rate transmission, and if combined with other techniques such as channel coding or space time coding can provide desired diversity and spatial multiplexing gain. [10 Apr 2008]
Performance Analysis of Bit-Interleaved Space-Time Coding for OFDM in Block Fading Channels
White Paper Performance analyses based on both pairwise error probability (PEP) and error bounds are conducted over a more general block fading channel that possesses both frequency and time diversity, and of which the fast and quasi-static fading channels... [10 Apr 2008]
Space-Time-Frequency Coded OFDM Over Frequency-Selective Fading Channels
White Paper Traditionally, the most popular technique to combat fading has been the exploitation of diversity. The major driver for broadband wireless communications has been reliable high-data-rate services (e.g.real-time multimedia services). [10 Apr 2008]
Exploiting Multipath Induced Diversity in OFDM Systems
White Paper While the ISI caused by delay spread is an annoyance factor, it also provides path diversity advantage if the path gains fade independently. This paper proposes a novel technique to exploit this multipath induced diversity in OFDM systems. [03 Apr 2008]
HP Announces Game-Changing Storage Integration: XP24000 Disk Array Simplifies Storage Provisioning and Improves Storage Infrastructure for the Delivery of Storage Services
White Paper Over the last number of years, the growth rate of storage resources has been extraordinary, driven by applications that have a greater thirst for more and larger files and a diversity of performance requirements. [28 Mar 2008]
Dynamic Distortion Control for 3-D Embedded Wavelet Video Over Multiuser OFDM Networks
White Paper By exploring frequency, time, and multiuser diversity in OFDM and flexibility of 3D embedded wavelet video codec, the proposed algorithm can achieve fair video qualities among all users. The paper considers the fairness among users and formulates... [23 Jan 2008]
TCP-Friendly SIMD Congestion Control and Its Convergence Behavior
White Paper The increased diversity of Internet application requirements has spurred recent interests in flexible congestion control mechanisms. The control rules are parameterized so as to ensure that the resulting protocol is TCP-friendly in terms of the... [06 Nov 2007]
A Spectrum of TCP-Friendly Window-Based Congestion Control Algorithms
White Paper The increasing diversity of Internet application requirements has spurred recent interest in transport protocols with flexible transmission controls. The control rules are parameterized so as to ensure that the resulting protocol is TCP-friendly in... [06 Nov 2007]
Joint Dynamic Detection and Channel Estimation in MIMO OFDM Systems
White Paper Transmitter diversity and channel estimation play important roles in improving the system performance. In this paper, a MIMO OFDM system is developed, which employ interleaver at the transmitter to implement frequency domain diversity. [17 Sep 2007]
Capacity Scaling of Ad Hoc Networks With Spatial Diversity
White Paper The analysis enables a direct comparison of the number of simultaneous transmissions achieving a certain data rate under different diversity techniques. This paper derives the exact outage probability and transmission capacity of ad hoc wireless... [31 Aug 2007]
Quality-of-Service Driven Power and Rate Adaptation for Multichannel Communications Over Wireless Links
White Paper In particular, the paper uses multichannel communications to model the conceptual architectures for either diversity or multiplexing systems, which play a fundamental role in physical-layer evolutions of mobile wireless networks. [31 Aug 2007]
Multimode Precoding for MIMO Wireless Systems
White Paper Multiple-Input Multiple-Output (MIMO) wireless systems obtain large diversity and capacity gains by employing multielement antenna arrays at both the transmitter and receiver. The theoretical performance benefits of MIMO systems, however, are... [31 Aug 2007]
