Robust FM data transmission in multipath propagation environments
In a digital FM transmitter-receiver system for data communications, demodulation can be carried out by a simple and cheap non-coherent demodulator scheme consisting of a hard-limiter block plus an FM demodulator (discriminator, FD), which is simple and insensitive to modulation index changes. Its a...
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| creator | Sanchez-Perez, R. Casajus-Quiros, F.J. Pasupathy, S. |
| description | In a digital FM transmitter-receiver system for data communications, demodulation can be carried out by a simple and cheap non-coherent demodulator scheme consisting of a hard-limiter block plus an FM demodulator (discriminator, FD), which is simple and insensitive to modulation index changes. Its application field includes partial response continuous phase modulation (PR-CPM) schemes such as Gaussian frequency shift keying (GFSK) or its 0.5 modulation index version known as Gaussian minimum shift keying (GMSK). This modulation has gained interest in recent years because of its attractive spectral properties. GSM and DECT employ it. In this paper, a novel and effective post-processing method based on the particular distribution of the noise at the output of the FD and the behaviour of the instantaneous amplitude of the signal and its application to GMSK is presented. |
| doi_str_mv | 10.1109/VETECF.1999.800329 |
| format | Conference Proceeding |
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Its application field includes partial response continuous phase modulation (PR-CPM) schemes such as Gaussian frequency shift keying (GFSK) or its 0.5 modulation index version known as Gaussian minimum shift keying (GMSK). This modulation has gained interest in recent years because of its attractive spectral properties. GSM and DECT employ it. 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No.99CH36324)</title><addtitle>VETECF</addtitle><description>In a digital FM transmitter-receiver system for data communications, demodulation can be carried out by a simple and cheap non-coherent demodulator scheme consisting of a hard-limiter block plus an FM demodulator (discriminator, FD), which is simple and insensitive to modulation index changes. Its application field includes partial response continuous phase modulation (PR-CPM) schemes such as Gaussian frequency shift keying (GFSK) or its 0.5 modulation index version known as Gaussian minimum shift keying (GMSK). This modulation has gained interest in recent years because of its attractive spectral properties. GSM and DECT employ it. In this paper, a novel and effective post-processing method based on the particular distribution of the noise at the output of the FD and the behaviour of the instantaneous amplitude of the signal and its application to GMSK is presented.</description><subject>Chirp modulation</subject><subject>Data communication</subject><subject>Demodulation</subject><subject>Detectors</subject><subject>Equalizers</subject><subject>Frequency modulation</subject><subject>Maximum likelihood detection</subject><subject>Noise level</subject><subject>Robustness</subject><subject>Viterbi algorithm</subject><issn>1090-3038</issn><issn>2577-2465</issn><isbn>9780780354357</isbn><isbn>0780354354</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>1999</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNp9jr0KwjAURi_-gFX7Ak55gdabxNpmlNLi4iLFVSJGjbRpSVLBt1fRWTjwDYcPDsCCYkwpiuWhqIq8jKkQIs4QORMDCFiSphFbrZMhhCLN8A1PVjxJRxC8Txhx5NkEps7dEZHSNQtgs29PvfOk3JGz9JJ4K41rtHO6NUQb0vS11530N9LZtpNX6T9CmYe2rWmU8W4O44usnQp_O4NFWVT5NtJKqWNndSPt8_iN5H_lC0vFPa8</recordid><startdate>1999</startdate><enddate>1999</enddate><creator>Sanchez-Perez, R.</creator><creator>Casajus-Quiros, F.J.</creator><creator>Pasupathy, S.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>1999</creationdate><title>Robust FM data transmission in multipath propagation environments</title><author>Sanchez-Perez, R. ; Casajus-Quiros, F.J. ; Pasupathy, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-ieee_primary_8003293</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Chirp modulation</topic><topic>Data communication</topic><topic>Demodulation</topic><topic>Detectors</topic><topic>Equalizers</topic><topic>Frequency modulation</topic><topic>Maximum likelihood detection</topic><topic>Noise level</topic><topic>Robustness</topic><topic>Viterbi algorithm</topic><toplevel>online_resources</toplevel><creatorcontrib>Sanchez-Perez, R.</creatorcontrib><creatorcontrib>Casajus-Quiros, F.J.</creatorcontrib><creatorcontrib>Pasupathy, S.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Sanchez-Perez, R.</au><au>Casajus-Quiros, F.J.</au><au>Pasupathy, S.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Robust FM data transmission in multipath propagation environments</atitle><btitle>Gateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324)</btitle><stitle>VETECF</stitle><date>1999</date><risdate>1999</risdate><volume>5</volume><spage>2959</spage><epage>2963 vol.5</epage><pages>2959-2963 vol.5</pages><issn>1090-3038</issn><eissn>2577-2465</eissn><isbn>9780780354357</isbn><isbn>0780354354</isbn><abstract>In a digital FM transmitter-receiver system for data communications, demodulation can be carried out by a simple and cheap non-coherent demodulator scheme consisting of a hard-limiter block plus an FM demodulator (discriminator, FD), which is simple and insensitive to modulation index changes. Its application field includes partial response continuous phase modulation (PR-CPM) schemes such as Gaussian frequency shift keying (GFSK) or its 0.5 modulation index version known as Gaussian minimum shift keying (GMSK). This modulation has gained interest in recent years because of its attractive spectral properties. GSM and DECT employ it. In this paper, a novel and effective post-processing method based on the particular distribution of the noise at the output of the FD and the behaviour of the instantaneous amplitude of the signal and its application to GMSK is presented.</abstract><pub>IEEE</pub><doi>10.1109/VETECF.1999.800329</doi></addata></record> |
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| ispartof | Gateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324), 1999, Vol.5, p.2959-2963 vol.5 |
| issn | 1090-3038 2577-2465 |
| language | eng |
| recordid | cdi_ieee_primary_800329 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Chirp modulation Data communication Demodulation Detectors Equalizers Frequency modulation Maximum likelihood detection Noise level Robustness Viterbi algorithm |
| title | Robust FM data transmission in multipath propagation environments |
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