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RWSoftware
(134 results)-
Whitepapers
Analysis of a TDMA Coexistence Approach for IEEE 802.16 Systems
July 20, 2009, 12:00am PDT
Today's radio frequency regulation is undergoing fundamental changes. There is a high demand for radio frequency spectrum for data communication but no blank spots in the frequency assignments...
Provided by RWSoftware
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Whitepapers
Capacity Analysis and Improvement for Coexisting IEEE 802.16 Systems in Unlicensed Spectrum
August 5, 2009, 12:00am PDT
Today spectrum demand for wireless communication is tremendous and even keeps growing. In contrast, there are no blank spots in the spectrum map. Additional spectrum opportunities are available in...
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Whitepapers
Coordination Across Base Stations for Effective Control of Space Division Multiple Access Enhanced IEEE 802.16m Systems
July 24, 2009, 12:00am PDT
In recent years, smart antenna technologies are of ever-increasing interest to boost the capacity of existing and future wireless systems. Several standards support these techniques such as the...
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Whitepapers
An IEEE 802.11 Model for the Planning of Wireless Mesh Networks
June 12, 2009, 12:00am PDT
Service-area specific optimization is a necessity for large-scale wireless networks. For this task, a model to estimate the quality of a radio network configuration is required. In the case of...
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Whitepapers
A Hybrid Solution for Vehicular Communications
August 5, 2009, 12:00am PDT
Wireless Access in Vehicular Environments (WAVE) and Universal Mobile Telecommunication System (UMTS) are two technologies that can be used for vehicular communication. WAVE realizes Car-To-X...
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Whitepapers
Transmit Power Control in Wireless Mesh Networks Considered Harmful
August 3, 2007, 12:00am PDT
A Wireless Mesh Network (WMN) serves to extend the coverage of Access Points (APs) by means of Relay Nodes (RNs) that forward data between Mobile Nodes (MNs) and an AP. This concept reduces...
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Whitepapers
OpenWNS - Open Wireless Network Simulator
May 5, 2009, 12:00am PDT
This paper presents the open Wireless Network Simulator (openWNS). This simulation tool was developed in the last 5 years at the department of Communication Networks (ComNets) at RWTH Aachen...
Provided by RWSoftware
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Whitepapers
IEEE 802.16 Coexistence Through Regular Channel Occupation
April 30, 2009, 12:00am PDT
Today's radio frequency regulation is undergoing fundamental changes. There is a high demand for radio frequency spectrum for data communication but no blank spots in the frequency assignments...
Provided by RWSoftware
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Whitepapers
A Service-Oriented Approach for In-Network Computations in Wireless Networks
June 8, 2009, 12:00am PDT
The concept of Mobile Web Services (Mob-WS) is catching pace within research communities due to rapid classification of mobile devices enabling pervasive environments. Beside consumer oriented use...
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Whitepapers
OpenWNS: Open Source Wireless Network Simulator
November 5, 2008, 12:00am PST
Technological research and innovation are pushed forward as fast as never before in history. To keep the pace up, researchers require effective methods and tools. Computer aided simulation has...
Provided by RWSoftware
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Whitepapers
Architecture for Consuming Long-Lived Mobile Web Services Over Multiple Transport Protocols
August 20, 2008, 12:00am PDT
The concept of Mobile Web Services (Mob-WS) is catching pace within research communities due to rapid classification of mobile devices enabling pervasive environments. A web service based...
Provided by RWSoftware
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Whitepapers
Channel Aware Scheduling in MIMO Based WLANs in the Presence of Channel Uncertainty
August 8, 2008, 12:00am PDT
In this paper system level performance evaluation of channel aware schedulers that apply previously presented Multiple Input-Multiple Output (MIMO) link adaptation algorithms is given. The...
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Whitepapers
Concurrent Operation of Half-and Full-Duplex Terminals in Future Multi-Hop FDD Based Cellular Networks
June 16, 2008, 12:00am PDT
Future OFDM-based cellular radio networks like IMT-Advanced systems are planned with both frequency division duplex and time division duplex in mind. Each of these duplex schemes has its benefits...
Provided by RWSoftware
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Whitepapers
Smart Caching in Heterogeneous Wireless Networks
June 5, 2008, 12:00am PDT
Future mobile radio networks will aim on broadband access for all users. The performance of the radio network vitally depends on the length and the characteristic of the transmission path between...
Provided by RWSoftware
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Whitepapers
Middleware for Communication and Deployment of Time Independent Mobile Web Services
August 5, 2008, 12:00am PDT
With the increasing storage capacity, processing power and battery capabilities, mobile devices are now able to providing services instead of just being service consumers. This paper introduces a...
Provided by RWSoftware
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Whitepapers
Unorthodox Abstract Models for the OFDMA Multihop Transmission
July 15, 2008, 12:00am PDT
Wireless systems are complex devices and a lot of research is done to improve parts of these systems and get a better understanding of the total behavior. One step towards an easier understanding...
Provided by RWSoftware
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Whitepapers
Asynchronous Mobile Web Services: Concept and Architecture
April 3, 2008, 12:00am PDT
Today, mobile devices are capable of providing services instead of just being service consumers. These services deployed on mobile devices are known as Mobile Web Services (Mob-WS). In this paper,...
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Whitepapers
A Multi-Mode MAC Protocol Integrating FDD and TDD for Next Generation Multi-Hop Mobile Radio Networks
June 8, 2009, 12:00am PDT
There are two basic duplexing schemes for present and future mobile radio networks, frequency-division duplexing and time-division duplexing. In general each of these methods has its benefits and...
Provided by RWSoftware
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Whitepapers
Raising Coverage and Capacity Using Fixed Relays in a Realistic Scenario
April 25, 2008, 12:00am PDT
Multihop techniques are known as a practical solution for covering huge radio cell areas when there are only very few Base Stations (BS). This is the case when fiber access is limited and BS CAPEX...
Provided by RWSoftware
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Whitepapers
Parallel Operation of Half-and Full-Duplex FDD in Future Multi-Hop Mobile Radio Networks
April 25, 2008, 12:00am PDT
There are two basic duplexing schemes for present and future mobile radio networks, Frequency-Division Duplex (FDD) and Time-Division Duplex (TDD). In general each of these methods has its...
Provided by RWSoftware
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Whitepapers
Wireless Local Danger Warning Using Inter-Vehicle Communications in Highway Scenarios
May 2, 2008, 12:00am PDT
Emergency Electronic Brake Light (EEBL) is one of the most promising applications using Vehicular Ad-hoc NETwork (VANET) technologies to enhance the driving safety of automotive users. This paper...
Provided by RWSoftware
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Whitepapers
IEEE 802.11s - Mesh Deterministic Access
May 2, 2008, 12:00am PDT
In 2003, interests in the Institute of Electrical and Electronics Engineers (IEEE) 802.11 Working Group (WG) led to formation of Task Group (TG) "S". 802.11s develops an amendment for Wireless...
Provided by RWSoftware
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Whitepapers
Theoretical Analysis of Saturation Throughput in MU-DCF
June 8, 2009, 12:00am PDT
In this paper, the calculation of saturation throughput for previously proposed Multi-User - Distributed Coordination Function (MU-DCF) is presented. MU-DCF is an IEEE 802.11 based protocol that...
Provided by RWSoftware
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Whitepapers
An FDD Multihop Cellular Network for 3GPP-LTE
June 8, 2009, 12:00am PDT
The future cellular radio networks like 3G-LTE are based on an OFDMA physical layer. The duplex scheme is preferably Frequency Division (FDD) because of its advantages in long range. Huge area...
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Whitepapers
Capacity and Coverage Analysis of a 3GPP-LTE Multihop Deployment Scenario
May 2, 2008, 12:00am PDT
Broadband wireless access will be deployed in a cellular way with 3GPP-LTE. For the first rollout the main demand is huge area coverage. With only few available base station sites that are...
Provided by RWSoftware
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Whitepapers
The Influence of Subchannel Diversity on the Performance of OFDMA Systems Based on IEEE 802.16
March 6, 2009, 12:00am PST
The performance of a mobile radio system based on OFDMA is determined by the type of mapping of logical sub-channels, which are allocated for data transmissions, onto the frequency channel. The...
Provided by RWSoftware
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Whitepapers
Opportunistic Wireless Internet Access in Vehicular Environments Using Enhanced WAVE Devices
June 8, 2009, 12:00am PDT
The emerging Car-To-Car communication (C2C) technology, known as Wireless Access in Vehicular Environments (WAVE), enables vehicles on the roadway to communicate with each other and with the...
Provided by RWSoftware
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Whitepapers
Comparison of OFDMA Resource Scheduling Strategies with Fair Allocation of Capacity
July 12, 2007, 12:00am PDT
Orthogonal Frequency Division Multiple Access (OFDMA) provides possibilities to exploit diversity of a frequency selective fading channel by appropriate resource scheduling strategies. This paper...
Provided by RWSoftware
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Whitepapers
Fairness and Delay in MU-MIMO WLANs
January 25, 2008, 12:00am PST
In this paper, the Single-User (SU) and Multi-User (MU) transmission approaches in Multiple Input-Multiple Output (MIMO) Wireless Local Area Networks (WLANs) are compared. The impact of the...
Provided by RWSoftware
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Whitepapers
Distributed and Adjacent Subchannels in Cellular OFDMA Systems
October 15, 2007, 12:00am PDT
A simulative performance evaluation of a cellular mobile radio system based on Orthogonal Frequency Division Multiple Access (OFDMA) is presented in this paper. The impact of using either...
Provided by RWSoftware
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Whitepapers
Analysis of WiMedia-Based UWB Mesh Networks
July 16, 2007, 12:00am PDT
Regarding maximum transmission rates, Ultra Wide Band (UWB) seems to be the wireless technology which could successfully replace most of the data-cables in office and home environments: with up to...
Provided by RWSoftware
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Whitepapers
IEEE 802.11s MAC Fundamentals
February 1, 2008, 12:00am PST
The tremendous success of the Institute of Electrical and Electronics Engineers (IEEE) 802.11 Wireless Local Area Network (WLAN) standard led to severe competition. Due to Wi-Fi Alliance (WFA)'s...
Provided by RWSoftware
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Whitepapers
On the Performance of Hybrid Wireless/Wired Mesh Networks
July 3, 2007, 12:00am PDT
Wireless Mesh Networks (WMNs) transparently extends the coverage of a portal via Mesh Points (MPs) which relay data over multiple hops to the associated stations. While this concept lowers costly...
Provided by RWSoftware
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Whitepapers
Open Traffic Systems - An Extensible Middleware for Distributed Traffic Management Systems
June 28, 2007, 12:00am PDT
Public bodies in the role of buyers and operators of traffic management systems are bound to public tendering laws stipulating a competition for the system procurement to benefit from cost...
Provided by RWSoftware
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Whitepapers
Impact of Signaling Constraints on the MAC Level Performance of OFDMA Systems
June 18, 2007, 12:00am PDT
Frequency adaptive scheduling in OFDMA systems requires accurate channel state information at the transmitter. In this paper, the authors investigate the performance degradation in the downlink of...
Provided by RWSoftware
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Whitepapers
A Software Architecture for Modular Implementation of Adaptive Protocol Stacks
July 12, 2007, 12:00am PDT
This paper presents a modular architecture for the design, implementation and performance evaluation of protocol stacks. The architecture allows a high degree of flexibility through composing...
Provided by RWSoftware
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Whitepapers
Application of Functional Unit Networks to Next Generation Radio Networks
October 24, 2007, 12:00am PDT
This paper presents a framework for building reconfigurable protocol stacks. A high degree of re-configurability is achieved through composing complex behavior of a communication system using...
Provided by RWSoftware
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Whitepapers
How a Layered REM Architecture Brings Cognition to Today's Mobile Networks
June 10, 2012, 12:00am PDT
In this paper, the authors present a layered Radio Environment Map (REM) architecture along with its applications to the Self-Organizing Network (SON) functionalities of heterogeneous LTE...
Provided by RWSoftware
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Whitepapers
Interference Management in Heterogeneous Wireless Networks Based on Context Information
June 21, 2012, 12:00am PDT
Femtocells and WiFi have been considered as viable concepts in cellular networks to increase overall system capacity. Critical functionalities for the successful integration of such technologies...
Provided by RWSoftware
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Whitepapers
Impact of Measurement Configurations on the Accuracy of Propagation Model Estimation With Applications to Dynamic Spectrum Access
July 26, 2012, 12:00am PDT
In this paper, the authors investigate the possibility of using measurement-based propagation models in the framework of Dynamic Spectrum Access (DSA), where secondary users can opportunistically...
Provided by RWSoftware
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Whitepapers
Analytical Evaluation of LTE Uplink Performance in the IMT-Advanced Indoor Hotspot Scenario
July 15, 2011, 12:00am PDT
LTE-Advanced (LTE-A) proposed by the 3rd Generation Partnership Project (3GPP) has been accepted by the International Telecommunication Union (ITU) in 2010 as an IMT-Advanced (IMT-A) compliant 4G...
Provided by RWSoftware
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Whitepapers
Total Optimisation of a Media-Streaming Wireless Terminal: Energy-Efficient Link Adaptation Under Higher-Layer Criteria
May 10, 2011, 12:00am PDT
It has long been recognized that a wireless communication system can be more efficient if link-layer parameters such as modulation order, symbol rate and packet size, are (adaptively) optimized. A...
Provided by RWSoftware
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Whitepapers
Evaluation and Improvement of VoIP Capacity for LTE
March 18, 2012, 12:00am PDT
LTE-Advanced (LTE-A) proposed by the 3rd Generation Partnership Project (3GPP) has been accepted by the International Telecommunication Union (ITU) in 2010 as an IMT-Advanced (IMT-A) compliant 4G...
Provided by RWSoftware
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Whitepapers
Quantified User Behavior in User-in-the-Loop Spatially and Demand Controlled Cellular Systems
October 24, 2012, 12:00am PDT
User-centric services are a growing concern. While the digital society definitely needs better Quality-of-Experience (QoE) for the user, the applications on smart mobile devices will continue to...
Provided by RWSoftware
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Whitepapers
First Survey Results of Quantified User Behavior in User-in-the-Loop Scenarios for Sustainable Wireless Networks
October 24, 2012, 12:00am PDT
Traffic in mobile radio networks is expected to continue to increase by 100% per year. This imposes a big challenge for future generations (4G and 5G) of access technologies which were previously...
Provided by RWSoftware
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Whitepapers
Decode-and-Forward Relay Placement for Maximum Cell Spectral Efficiency
March 9, 2012, 12:00am PST
To meet increasing capacity demands in mobile radio networks Decode-and-Forward (DF) Relay Stations (RSs) have been proposed. In this paper, the authors investigate the potential of low power...
Provided by RWSoftware
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Whitepapers
Increasing the VoIP Capacity of WiMAX Systems Through Persistent Resource Allocation
February 11, 2009, 12:00am PST
The Voice-over-IP (VoIP) capacity of a mobile communication system is a crucial point to become an International Mobile Telecommunications (IMT)-Advanced member. This is reflected by special...
Provided by RWSoftware
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Whitepapers
On VoIP Capacity Gains in Frame-Based Packet-Switched Wireless Networks
July 20, 2009, 12:00am PDT
It is expected that future IMT-Advanced systems will operate packet-switched due to the dominance of data services. However, it is inherent to packet-switched systems to not cope well with voice...
Provided by RWSoftware
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Whitepapers
Upper Bound Cell Spectral Efficiency of IMT-Advanced Scenarios
February 16, 2011, 12:00am PST
The International Telecommunication Union - Radio Group (ITU-R) has established a set of requirements to be met by candidate systems to be accepted as International Mobile Telecommunications -...
Provided by RWSoftware
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Whitepapers
Cell Spectral Efficiency Optimization in Relay Enhanced Cells
June 20, 2012, 12:00am PDT
The broad acceptance of Smartphones results in increasing capacity demands for mobile radio networks. Decode-and-Forward (DF)-Relay Stations (RSs) are promising to improve Cell Spectral Efficiency...
Provided by RWSoftware
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Whitepapers
Performance Evaluation of Channel Access Protocols in Overlapping ECMA-368 Wireless Personal Area Networks
June 21, 2012, 12:00am PDT
Medium Access Control (MAC) protocols for Wireless Local Area Networks (WLANs) as well as Wireless Personal Area Networks (WPANs) like Carrier Sense Multiple Access with Collision Avoidance...
Provided by RWSoftware
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Whitepapers
Modeling and Performance Evaluation for Mobile Ricean MIMO Channels
May 24, 2012, 12:00am PDT
The authors propose a general channel model for mobile Ricean Multiple-Input Multiple-Output (MIMO) channels, which is characterized by parameters that are readily obtainable from measurements. To...
Provided by RWSoftware
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Whitepapers
Shadow Fading Correlations With Compressive Sensing: Prediction Accuracy
May 24, 2012, 12:00am PDT
The cross-correlation between shadowing components in wireless communications has important implications for wireless systems. The new cooperative and cognitive communications methods can exploit...
Provided by RWSoftware
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Whitepapers
Wi-Fi, But Not on Steroids: Performance Analysis of a Wi-Fi-Like Network Operating in TVWS Under Realistic Conditions
May 24, 2012, 12:00am PDT
The recent decisions by regulators in the USA and UK to open up unused portions of UHF spectrum for secondary use have been met with keen interest in using these TV White Spaces (TVWS) for...
Provided by RWSoftware
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Whitepapers
On the Performance of Cellular Network Deployments in TV Whitespaces
May 24, 2012, 12:00am PDT
In this paper, the authors analyze the prospects of deploying a cellular network in the TV whitespaces. They study the challenges of planning for a large-scale transmitter network that is...
Provided by RWSoftware
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Whitepapers
Mesh-DHT: A Locality-Based Distributed Look-Up Structure for Wireless Mesh Networks
May 24, 2012, 12:00am PDT
Distributed Hash Tables (DHTs) offer an elegant and fully distributed solution for reliably storing and retrieving data. Wireless Mesh Networks (WMNs) envision a fully decentralized fashion, and...
Provided by RWSoftware
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Whitepapers
Simple Decentralised Market-Oriented Allocation of Sub-Channels and Power for Access-Point to Terminal Multi-Carrier Communication
March 1, 2010, 12:00am PST
Common auction formats are well-understood, relatively simple mechanism which have long been used for allocating an indivisible good to the party that values it the most, for such reasons as speed...
Provided by RWSoftware
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Whitepapers
Generalised Water-Filling: Costly Power Optimally Allocated to Sub-Carriers Under a General Concave Performance Function
March 1, 2010, 12:00am PST
A data terminal seeks the optimal power allocation for M sub-carriers under a general concave performance function ("Capacity"), and a per-Watt price. The value to the terminal of one transferred...
Provided by RWSoftware
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Whitepapers
Performance Evaluation of Sensor Fusion With Side Information
April 24, 2010, 12:00am PDT
The efficient evaluation of fusion algorithms becomes particularly important when different fusion schemes have to be compared with respect to an underlying performance metric. In this paper, the...
Provided by RWSoftware
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Whitepapers
A Body-Coupled Communication and Radio Frequency Dual Technology Cooperation Protocol for Body-Area Networks
February 2, 2010, 12:00am PST
Body-Area Networks (BANs) are Wireless Sensor Networks (WSNs) that operate in close proximity to the human body, being used for example for distributed wireless medical body sensors. Current...
Provided by RWSoftware
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Whitepapers
Generalised Link-Layer Adaptation With Higher-Layer Criteria for Energy-Constrained and Energy-Sufficient Data Terminals
September 28, 2010, 12:00am PDT
It has long been recognised that a wireless communication system can be more efficient if link-layer parameters such as modulation order are adapted to the channel conditions. The most common...
Provided by RWSoftware
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Whitepapers
Factor Graph Based Detection and Channel Estimation for MIMO-OFDM Systems in Doubly Selective Channel
June 25, 2010, 12:00am PDT
Based on the factor graph, a joint channel estimation and detection method is proposed for Orthogonal Frequency Division Multiplexing (OFDM) systems employing multiple transmit and receive...
Provided by RWSoftware
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Whitepapers
Throughput, Bit-Cost, Network State Information: Tradeoffs in Cooperative CSMA Protocols
September 7, 2010, 12:00am PDT
In wireless local area networks, spatially varying channel conditions result in a severe performance discrepancy between different nodes in the uplink, depending on their position. Both throughput...
Provided by RWSoftware
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Whitepapers
MIMO Broadcast Channel Rate Region With Linear Precoding at High SNR: No Full Multiplexing Case
October 20, 2010, 12:00am PDT
In this paper, the rate region of the two user MIMO Broadcast Channel (BC) with linear filtering at high Signal-to-Noise Ratio (SNR) is studied when time sharing is not available and the...
Provided by RWSoftware
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Whitepapers
Optimization of Cooperative Spectrum Sensing and Implementation on Software Defined Radios
September 22, 2010, 12:00am PDT
Reliable detection of primary user activity by spectrum sensing is a crucial issue of cognitive radio systems. The cooperative spectrum sensing is to combine the detection results of multiple...
Provided by RWSoftware
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Whitepapers
Fast Radio Wave Propagation Prediction by Heterogeneous Parallel Architectures With Incoherent Memor
January 14, 2011, 12:00am PST
The present correspondence deals with radio wave propagation for urban scenarios on the cell broadband engine. Binary space partitioning trees are used to split the building data into manageable...
Provided by RWSoftware
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Whitepapers
Increasing Signaling Power Not Necessarily Improves Channel Capacity
January 5, 2011, 12:00am PST
This paper is inspired by the general question of how to choose signaling points from a bounded set such that capacity of the corresponding channel is maximized. Since, subject to peak power...
Provided by RWSoftware
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Whitepapers
Matching Dyadic Distributions to Channels
February 10, 2011, 12:00am PST
Many communication channels with discrete input have non-uniform capacity achieving Probability Mass Functions (PMF). By parsing a stream of independent and equiprobable bits according to a full...
Provided by RWSoftware
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Whitepapers
Efficient Implementation and Evaluation of Parallel Radio Wave Propagation
March 27, 2011, 12:00am PDT
For planning, analysis, and optimization of modern, self organizing radio networks field strength prediction plays an essential role. A huge number of predictions is needed for planning purposes...
Provided by RWSoftware
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Whitepapers
Ontology-Based Corpus Generation for Web Comment Analysis
May 24, 2011, 12:00am PDT
In the study of technology acceptance the survey and analysis of user opinions is crucial to identify acceptance-relevant factors. In addition to topic-related surveys, which require high user...
Provided by RWSoftware
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Whitepapers
Low Complexity Joint Channel Estimation and Decoding for LDPC Coded MIMO-OFDM Systems
October 25, 2010, 12:00am PDT
In this paper, a joint iterative channel estimation and Low-Density Parity-Check (LDPC) decoding algorithm based on factor graphs and the sum-product algorithm is proposed for Orthogonal Frequency...
Provided by RWSoftware
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Whitepapers
Joint BS Selection and Subcarrier Assignment for Multicell Heterogeneous OFDM Unicasting
August 31, 2011, 12:00am PDT
In this paper, the resource allocation is studied for Orthogonal Frequency Division Multiplexing (OFDM) unicasting by multiple Base Stations (BSs). In the considered scenario, each user is...
Provided by RWSoftware
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Whitepapers
On the Performance of Cooperative Multihop Communications
November 11, 2011, 12:00am PST
Cooperative communications is a promising technology to improve the performance of wireless networks. In this paper, the authors investigate the performance of a multihop communication system with...
Provided by RWSoftware
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Whitepapers
Zero-Padded Symmetric Conjugate Technique for Intercarrier Interference Cancellation in MIMO-OFDM Systems
November 11, 2011, 12:00am PST
This paper proposes a zero-padded symmetric conjugate self-cancellation technique in Orthogonal Frequency Division Multiplexing (OFDM) systems by padding zero in between two consecutive symbols...
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Whitepapers
Operating LDPC Codes With Zero Shaping Gap
September 27, 2011, 12:00am PDT
Unequal transition probabilities between input and output symbols, input power constraints, or input symbols of unequal durations can lead to non-uniform capacity achieving input distributions for...
Provided by RWSoftware
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Whitepapers
Short Huffman Codes Producing 1s Half of the Time
July 22, 2011, 12:00am PDT
The design of the channel part of a digital communication system (e.g., error correction, modulation) is heavily based on the assumption that the data to be transmitted forms a fair bit stream....
Provided by RWSoftware
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Whitepapers
Robust Planning of Green Wireless Networks
November 22, 2011, 12:00am PST
Current methods dealing with the energy efficient wireless network planning problem require a static model. However, bit rate requirements vary and rise over time, users move around and path gain...
Provided by RWSoftware
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Whitepapers
Upper-Bounding Rate Distortion Functions Based on the Minimum Mean-Square Error
March 2, 2012, 12:00am PST
The authors derive a new upper bound on the rate distortion function for arbitrary memoryless sources, which is based on the relation between mutual information and minimum mean-square error...
Provided by RWSoftware
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Whitepapers
Extended Cyclostationary Signatures for OFDM-Based Cognitive Radio
February 2, 2012, 12:00am PST
Cyclostationary signatures have been shown to be an effective method for OFDM network synchronization and Cognitive Radio coordination. In this paper, an extended method that utilizes...
Provided by RWSoftware
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Whitepapers
Autoregressive Modeling of Frequency Selective Channels for Synchronized OFDM Systems
January 14, 2012, 12:00am PST
In this paper, an Auto-Regressive (AR) channel model for simulating frequency selective channels in synchronized Orthogonal Frequency Division Multiplexing (OFDM) systems is proposed. By frequency...
Provided by RWSoftware
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