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Multiplexing TCP Traffic Over Wide-Area ATM Networks
White Papers This paper explores the effects of network-level multiplexing policies on application-level performance in the context of wide-area networks that carry small fixed-size cells. A multiplexing policy that separates traffic by conversation and...
[January 15, 2008, 0:56]
Multiplexing In BrightStor ARCserve Backup Release 11
White Papers Multiplexing, this technique was commonly used in the early days of communications to enable several devices to share one physical link. This paper describes that in the world of tape backup multiplexing is quite similar.
[April 27, 2004, 0:05]
Multiplexing In BrightStor ARCserve Backup R11.1
White Papers Multiplexing is a high-performance technology that is now included in BrightStor ARCserve Backup r11.1. If your environment fits this profile and you need to increase backup performance without increasing the cost of your infrastructure, you should...
[February 3, 2005, 2:00]
MPLS Over Transport Network: Two Layer Approach To Network Design With Statistical Multiplexing
White Papers However, the question arises whether it is convenient to add MPLS nodes just at the edge of the network to collect packet traffic from users, or it is better to have also MPLS core nodes to exploit packet switching flexibility and multiplexing.
[January 12, 2008, 0:01]
Interpolation Based Unitary Precoding For Spatial Multiplexing MIMO-OFDM With Limited Feedback
White Papers Spatial multiplexing with linear precoding is a simple technique to take advantage of the high spectral efficiency provided by multiple-input multiple-output (MIMO) systems, and it can be simply implemented over frequency selective channels by...
[March 28, 2005, 3:00]
The Effect Of Statistical Multiplexing On The Long Range Dependence Of Internet Packet Traffic
White Papers This intermingling is referred to as "statistical multiplexing" in the packet network literature and as "superposition" in the mathematical literature of point processes. The packets transmitted over an Internet link result from simultaneous active...
[April 7, 2005, 3:00]
Equation-Based Approach To TCP-Compatible Multicast Congestion Control For Layered Transmission In Low-Multiplexing Environments
White Papers By means of a network simulator and an adjusted TFRC protocol implementation the paper shows that the TCP-compatible rate calculated with the algorithm as originally proposed tends to be biased when applied in environments with a low degree of...
[January 15, 2008, 0:54]
Multi Rate Orthogonal Frequency Division Multiplexing
White Papers A novel multi rate Orthogonal Frequency Division Multiplexing (OFDM) system is proposed in this paper. It is expected to provide a flexible physical layer support to next generation wireless networks.
[April 18, 2007, 1:00]
On The Capacity Of OFDM-Based Spatial Multiplexing Systems
White Papers This paper deals with the capacity behavior of wireless orthogonal frequency-division multiplexing (OFDM)-based spatial multiplexing systems in broad-band fading environments for the case where the channel is unknown at the transmitter and...
[October 21, 2004, 3:00]
On Spatial Multiplexing In Cellular MIMO-CDMA Systems With Linear Receivers
White Papers In this paper, the effectiveness of spatial multiplexing in the forward link of cellular CDMA systems with linear (i.e.low complexity) receivers is investigated. General MIMO systems without spreading are a special case of the analysis when the...
[October 13, 2005, 3:00]
Spatial Multiplexing For Outdoor MIMO-OFDM Systems With Limited Feedback Constraint
White Papers This paper proposes a spatial multiplexing technique for the downlink of a Multiple-Input-Multiple-Output (MIMO) Orthogonal-Frequency-Division-Multiplexing (OFDM) system. For outdoor environments with a limited angular spread at the base station...
[April 11, 2007, 1:01]
Inverse Multiplexing: Scalable Bandwidth Solutions For The WAN
White Papers Inverse multiplexing of T1 and E1 facilities is today a proven network technology that is recognized by companies worldwide. Inverse multiplexing serves as an excellent means of providing high-speed connectivity between T1/E1 and T3/E3, with...
[January 16, 2004, 2:08]
Antenna Selection For Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing Systems
White Papers 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...
[July 26, 2005, 6:00]
OFDM Code Division Multiplexing With Unequal Error Protection And Flexible Data Rate Adaptation
White Papers In this paper, an OFDM-CDM (Orthogonal Frequency Division Multiplexing Code Division Multiplexing) system with adaptive symbol mapping is presented. This combination enables a robust transmission with flexible error protection and data rate...
[February 17, 2006, 0:01]
Space-Frequency Coded MIMO-OFDM With Variable Multiplexing-Diversity Tradeoff
White Papers Space-frequency coded Orthogonal Frequency Division Multiplexing (OFDM) is capable of realizing both spatial and frequency-diversity gains in multipath multiple-input multiple-output (MIMO) fading channels.
[October 26, 2004, 3:00]
Statistical Multiplexing In Data-Aware Transport Networks
White Papers However, ignoring statistical multiplexing, which reduces the impact of bursts by only considering peak data rates, leads to over-dimensioning and excessive costs. Guerin's equivalent bandwidth model takes into account the statistical multiplexing...
[October 5, 2008, 1:20]
Orthogonal Frequency Division Multiplexing For Wireless Communications
White Papers Orthogonal frequency division multiplexing (OFDM) is a promising technique for high-data-rate wireless communications because it can combat inter-symbol interference (ISI) caused by the dispersive fading of wireless channels.
[July 21, 2005, 6:00]
Dense Wavelength Division Multiplexing
White Papers To meet growing demands for bandwidth, a technology called Dense Wavelength Division Multiplexing (DWDM) has been developed that multiplies the capacity of a single fiber. Over the last decade, fiber optic cables have been installed by carriers as...
[September 5, 2003, 2:57]
Optical Networking And Dense Wavelength Division Multiplexing (DWDM)
White Papers This paper deals with the twin concepts of optical networking and dense wavelength division multiplexing. The paper talks about the various optical network architectures and the various components of an all-optical network like Optical Amplifiers...
[September 2, 2008, 7:35]
Multi-Mode Antenna Selection For Spatial Multiplexing Systems With Linear Receivers
White Papers Spatial multiplexing is a simple transmission technique for Multiple-Input Multiple-Output (MIMO) wireless communication links in which data is multiplexed across the available transmits antennas. In Rayleigh fading matrix channels, however...
[May 10, 2006, 1:00]
