carrier division multiplexing
Traffic Engineering and Quality of Service in Cisco IP/MPLS Mobile Backbones for Enhanced Network Performance, Service Reliability, and Manageability
White Paper IP/MPLS can be used by mobile operators as a common backbone for gradually replacing their traditional ATM, Frame Relay, and Time-Division Multiplexing (TDM) networks. Many are increasingly turning to... [01 Oct 2008]
A CSMA/CP MAC Protocols for IP Over WDM Metropolitan Area Ring Networks
White Paper This paper proposed a novel MAN network architecture and protocol by using the Wavelength Division Multiplexing (WDM) technique to efficiently share the network bandwidth among every network nodes. The... [11 Jul 2008]
Complexity makes travellers miss their connection
Comment In the not too distant future, you will be able to add 3G Long Term Evolution (LTE), mobile WiMax, multiple in multiple out (MiMo) and orthogonal frequency division multiplexing (OFDM) to the mix. David... [12 Jun 2008]
ICI Cancellation Based Channel Estimation for OFDM Systems
White Paper Orthogonal Frequency Division Multiplexing OFDM), which is a multicarrier modulation scheme, splits high data rate information symbols into lower rate parallel data streams and transmits this parallel... [11 Apr 2008]
OFDM or Single-Carrier Block Transmissions?
White Paper This paper compares two block transmission systems over frequency-selective fading channels: orthogonal frequency-division multiplexing (OFDM) versus single-carrier modulated blocks with... [10 Apr 2008]
Performance Analysis of High QAM OFDM System Over Frequency Selective Time-Varying Fading Channel
White Paper This paper considers the performance degradation of a high QAM orthogonal frequency division multiplexing (OFDM) system over frequency selective time-varying fading channels. The time variation of the... [10 Apr 2008]
OFDM Versus Single Carrier With Cyclic Prefix: A System-Based Comparison
White Paper Most systems rely on the use of Orthogonal Frequency Division Multiplexing (OFDM) because of its capability to elegantly cope with multi-path interference. This paper shows that for the same data rate,... [10 Apr 2008]
Voice Over an OFDM Based Wireless LAN
White Paper This paper addresses the problem of efficiently integrating speech communication devices, such as cordless telephones, with an "Orthogonal Frequency Division Multiplexing" (OFDM) based wireless LAN. It... [15 Jan 2008]
Design and Simulation of Orthogonal Frequency Division Multiplexing (OFDM) Signaling
White Paper A MATLAB program has been written to investigate Orthogonal Frequency Division Multiplexing (OFDM) communication systems. Single carrier QAM and multicarrier OFDM are compared to... [08 Jan 2008]
Inter-Carrier Interference Cancellation for OFDM Systems
White Paper Orthogonal Frequency Division Multiplexing (OFDM) is an emerging multi-carrier modulation scheme, which has been adopted for several wireless standards such as IEEE 802.11a and... [27 Jul 2007]
Successive Slepian Subspace Projection in Time and Frequency for Time-Variant Channel Estimation
White Paper MC-CDMA is based on Orthogonal Frequency Division Multiplexing (OFDM). This paper describes an iterative time-variant channel estimator for the uplink of a Multi-Carrier Code... [18 Apr 2007]
On Performance of SCH-OFDMA-CDM in Frequency Selective Indoor Environment
White Paper Performance of Sub Carrier Hopped Orthogonal Frequency Division Multiple Access Code Division Multiplexing (SCH-OFDMA-CDM) is analyzed and compared against its non... [18 Apr 2007]
Eliminating the OFDM Cyclic Prefix
White Paper A novel method is presented to estimate the frame time and carrier frequency offset in Orthogonal Frequency-Division Multiplexing (OFDM) systems using a variable number of time-domain... [18 Apr 2007]
OFDM Based WLAN Systems
White Paper Orthogonal Frequency Division Multiplexing (OFDM) is a special form of multi-carrier transmission where all the subcarriers are orthogonal to each other. OFDM promises a higher user data... [18 Apr 2007]
Low Complexity Residual Phase Tracking Algorithm for OFDM-Based WLAN Systems
White Paper This paper presents the design of an efficient low complexity residual phase tracking algorithm for Orthogonal Frequency Division Multiplexing (OFDM) based Wireless Local Area Network receivers. In this... [18 Apr 2007]
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