Pseudo-pilot OFDM scheme for 802.11a and R/A in DSRC applications

Sibecas, S.; Corral, C.A.; Emami, S.; Stratis, G.; Rasor, G.

doi:10.1109/vetecf.2003.1285219

Cited by 19 publications

(12 citation statements)

References 3 publications

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“…(8), or B c = 800 kHz from eq. (9). In contrast, the tone spacing for the IEEE802.11p subcarriers is 156.25kHz.…”

Section: Fig 3 An Example Of Simulated Doubly Selective Rayleigh Chmentioning

confidence: 99%

“…To improve the channel estimation in subsequent OFDM symbols, a pseudopilot scheme that scrambles the location of the pseudo pilot is proposed [9]. As shown in Fig.…”

Section: Fig 3 An Example Of Simulated Doubly Selective Rayleigh Chmentioning

confidence: 99%

“…In [7] [8], it proposed a method that insert training sequence for block transmissions over doubly selective wireless fading channels, this will not only change the structure of the frame, but also reduce the data rate. In [9], a pseudo-pilot scheme is proposed. The pilot location is shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Pilots Aided Channel Estimation for Doubly Selective Fading Channel in Vehicular Environment

Cai

Jiang

Qian³

et al. 2013

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Abstract. In vehicle communications, channel characteristic experiences time and frequency selective fading due to high velocity of vehicle and rapid changes of surrounding scatters. The packet format for IEEE 802.11p standard limits the choice of channel estimation algorithms. Conventional channel estimation algorithms perform the channel estimation based on the long preamble training sequence, then applies the estimated channel response to compensate for the entire packet. These algorithms are not optimal for a doubly selective channel in vehicle communications. In this paper, to overcome the effect of doubly selective channel, we propose a novel pilot insertion scheme that covers all subcarriers in both the time and frequency domains simultaneously. Adaptive channel estimation and equalization algorithms are then developed based on the new system architecture. Simulations show significant improvements comparing to other exiting methods.

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“…(8), or B c = 800 kHz from eq. (9). In contrast, the tone spacing for the IEEE802.11p subcarriers is 156.25kHz.…”

Section: Fig 3 An Example Of Simulated Doubly Selective Rayleigh Chmentioning

confidence: 99%

“…To improve the channel estimation in subsequent OFDM symbols, a pseudopilot scheme that scrambles the location of the pseudo pilot is proposed [9]. As shown in Fig.…”

Section: Fig 3 An Example Of Simulated Doubly Selective Rayleigh Chmentioning

confidence: 99%

See 1 more Smart Citation

Pilots Aided Channel Estimation for Doubly Selective Fading Channel in Vehicular Environment

Cai

Jiang

Qian³

et al. 2013

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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“…Later, the FCC established the licensing rules about the DSRC (it is a free bandwidth because the FCC does not charge for usage of that spectrum, but it is licensed, with a restricted utilization) [32]. In fact, (DSRC) spectrum [33] is now divided into seven channels, each one with a 10 MHz bandwidth; it is allocated in the upper 5 GHz range. Each station continuously alternates between the Control Channel (CCH) and one of the Service Channels (SCHs) or safety channels.…”

Section: Direct Short Range Communication (Dsrc)mentioning

confidence: 99%

Routing Optimization in Vehicular Networks: A New Approach Based on Multiobjective Metrics and Minimum Spanning Tree

Fazio

Rango

Sottile

et al. 2013

International Journal of Distributed Sensor Networks

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Recently, distributed mobile wireless computing is becoming a very important communications paradigm, due to its flexibility to adapt to different mobile applications. As many other distributed networks, routing operations assume a crucial importance in system optimization, especially when considering dense urban areas, where interference effects cannot be neglected. In this paper a new routing protocol for VANETs and a new scheme of multichannel management are proposed. In particular, an interferenceaware routing scheme, for multiradio vehicular networks, wherein each node is equipped with a multichannel radio interface is investigated. NS-2 has been used to validate the proposed Multiobjective routing protocol (MO-RP) protocol in terms of packet delivery ratio, throughput, end-to-end delay, and overhead.

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“…There are also software implementations of the standard: some of them describe generic transceivers (77), but the majority are focused on the performance of the receiver by using techniques for getting better channel estimations (78,79,80,81) or improved decisions (82). Table 4.1.…”

Section: Background: Ieee 80211p Evaluationsmentioning

confidence: 99%

Rapid Prototyping for Evaluating Vehicular Communications

Fernández‐Caramés¹

2011

Advanced Applications of Rapid Prototyping Technology in Modern Engineering

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Pseudo-pilot OFDM scheme for 802.11a and R/A in DSRC applications

Cited by 19 publications

References 3 publications

Pilots Aided Channel Estimation for Doubly Selective Fading Channel in Vehicular Environment

Pilots Aided Channel Estimation for Doubly Selective Fading Channel in Vehicular Environment

Routing Optimization in Vehicular Networks: A New Approach Based on Multiobjective Metrics and Minimum Spanning Tree

Rapid Prototyping for Evaluating Vehicular Communications

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