A detailed Study of 4G in Wireless Communication: Looking insight in issues in OFDM (PDF)
(Sprache: Englisch)
As a promising technique, OFDM has been widely used in emerging broadband communication systems, such as digital audio broadcasting (DAB), high-definition television (HDTV), and wireless local area network (IEEE 802.11a and HIPERLAN/2).
However, as the...
However, as the...
sofort als Download lieferbar
Printausgabe 44.99 €
eBook (pdf) -22%
34.99 €
- Lastschrift, Kreditkarte, Paypal, Rechnung
- Kostenloser tolino webreader
Produktdetails
Produktinformationen zu „A detailed Study of 4G in Wireless Communication: Looking insight in issues in OFDM (PDF)“
As a promising technique, OFDM has been widely used in emerging broadband communication systems, such as digital audio broadcasting (DAB), high-definition television (HDTV), and wireless local area network (IEEE 802.11a and HIPERLAN/2).
However, as the OFDM signals are the sum of signals with random amplitude and phase, they are likely to have large PAPR that require a linear high-power- amplifier (HPA) with an extremely high dynamic range which is expensive and inefficient. Furthermore, any amplifier nonlinearity causes intermodulation products resulting in unwanted out-of-band power. A number of approaches have been proposed to deal with the PAPR problem, including amongst others, clipping, clipping-and-filtering (CF), coding, companding transform, active constellation extension (ACE), selected mapping (SLM), and partial transmit sequence (PTS).
This book proposes an improvement in the selected mapping technique. The resulting scheme can also be applied to the multiple transmitting antenna cases.
Further, it compares the simulation results to the existing techniques namely exponential companding transform, repeated clipping and filtering, and adaptive active constellation extension.
However, as the OFDM signals are the sum of signals with random amplitude and phase, they are likely to have large PAPR that require a linear high-power- amplifier (HPA) with an extremely high dynamic range which is expensive and inefficient. Furthermore, any amplifier nonlinearity causes intermodulation products resulting in unwanted out-of-band power. A number of approaches have been proposed to deal with the PAPR problem, including amongst others, clipping, clipping-and-filtering (CF), coding, companding transform, active constellation extension (ACE), selected mapping (SLM), and partial transmit sequence (PTS).
This book proposes an improvement in the selected mapping technique. The resulting scheme can also be applied to the multiple transmitting antenna cases.
Further, it compares the simulation results to the existing techniques namely exponential companding transform, repeated clipping and filtering, and adaptive active constellation extension.
Autoren-Porträt von Neelam Dewangan
Mrs Neelam Dewangan is an assistant professor at Chhatrapati /shivaji Institute of Technology, Durg. She has completed her M.Tech in communication engineering from the Chhatrapati /shivaji Institute of Technology, and under the supervision of Mr. Mangal Singh, the professor and head of the Institute. Moreover, she has published many papers and attended many conferences in her area of interest including wireless communication, 4G, LTE, and mobile communication.
Bibliographische Angaben
- Autor: Neelam Dewangan
- 2014, 1. Auflage, 92 Seiten, Englisch
- Verlag: Diplomica Verlag
- ISBN-10: 3954895846
- ISBN-13: 9783954895847
- Erscheinungsdatum: 01.02.2014
Abhängig von Bildschirmgröße und eingestellter Schriftgröße kann die Seitenzahl auf Ihrem Lesegerät variieren.
eBook Informationen
- Dateiformat: PDF
- Größe: 3.89 MB
- Ohne Kopierschutz
Sprache:
Englisch
Kommentar zu "A detailed Study of 4G in Wireless Communication: Looking insight in issues in OFDM"
0 Gebrauchte Artikel zu „A detailed Study of 4G in Wireless Communication: Looking insight in issues in OFDM“
| Zustand | Preis | Porto | Zahlung | Verkäufer | Rating |
|---|
Schreiben Sie einen Kommentar zu "A detailed Study of 4G in Wireless Communication: Looking insight in issues in OFDM".
Kommentar verfassen