TELECOMMUNICATION LABORATORY

SPREAD-SPECTRUM RESEARCH

PUBLICATIONS

Books

• Glisic S., Leppänen P. (Editors), Code division multiple access communications. Kluwer Academic Publishers, 1995, 364 p.
• Glisic S., Talvitie J., Kumpumäki T., Latva-aho M., Iinatti J., "Design study for a CDMA based LEO satellite network: Downlink system level parameters" in Biglieri E., Luise M. (Editors), Signal Processing for Telecommunications, Springer-Verlag, London, 1996.

International Journal Papers

• Chen X.-H., Lim N.C., Triple-receiver-based code protocol for unslotted DS/SSMA packet radio networks & its performance analysis. IEE Proc. - Communications, Vol. 142, No. 3, June 1995, pp. 193-200.
• Chen X.-H., Adaptive traffic load shedding & its capacity gain in CDMA cellular. IEE Proc. - Communications, Vol. 142, No. 3, June 1995, pp. 186-192.
• Chen X.-H., Performance bound analysis of the new DS/SSMA protocol for wireless data network. IEE Proc. - Communications, Vol. 142, No. 4, August 1995, pp. 255-262.
• Chen X.-H., Oksman J., Destructive collision-free protocol for distributed DS/SSMA wireless networks using code sensing and chip rate division techniques. IEE Proc. - Communications, Vol. 143, No. 1, February 1996, pp. 101-120 (accepted).
• Glisic S., Mämmelä A., Kaasila V.P., Pajkovic M., Rejection of frequency sweeping signal in DS spread spectrum system using imperfect complex adaptive filters. IEEE Transactions on Communications, Vol. 43, No. 1, January 1995, pp. 136-145.
• Glisic S., Rejection of FH signal in DS spread spectrum systems using complex adaptive filters. IEEE Transactions on Communications, Vol. 43, No. 5, May 1995, pp. 1982-1991.
• Glisic S., Kumpumäki T., Talvitie J., Latva-aho M., Iinatti J., Design study for a CDMA based LEO satellite network: Downlink system level parameters. IEEE Journal on Selected Areas in Communications - Special Issue on Code Division Multiple Access (CDMA) Networks III&IV (accepted).
• Kärkkäinen K., Leppänen P., Linear complexity of binary Golay complementary sequences. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (accepted).

International Conference Papers

• Chen X.-H., Lim N., Oksman J., A novel group based common-receiver (GBCR) code protocol for CDMA wireless networks with improved throughput-delay performance. GLOBECOM´95. IEEE Global Telecommunication Conference. Singapore, November 13-17, 1995, pp. 350-354.
• Glisic S., Talvitie J., Kumpumäki T., Latva-aho M., Iinatti J., Design study for a CDMA based LEO satellite network, Part I: Downlink system level parameters. 7th Tyrrhenian International Workshop on Digital Communications. Viareggio, Italy, September 10-14, 1995.
• Iinatti J., Leppänen P., Approximated probability density functions for the output signal of coherent matched filter and median filter code acquisition structure in an AWGN channel. PIMRC´95. The Sixth IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Toronto, Ontario, Canada, September 27-29, 1995, pp. 1005-1009.
• Iinatti J., Performance comparison of DS signal matched filter acquisition using median filter and transversal filter as an aiding device in AWGN channel and CW jamming. MILCOM´95. 1995 IEEE Military Communications Conference. San Diego, CA, USA, November 5-8, 1995, pp. 1181-1185.
• Iinatti J., Performance comparison of DS signal matched filter acquisition using median filter and transversal filter as an aiding device in pulsed tone jamming. MILCOM´95. 1995 IEEE Military Communications Conference. San Diego, CA, USA, November 5-8, pp. 1190-1194.
• Iinatti J., Performance comparison of DS signal data detection using matched filter with median filter and with transversal filter. VTC'96. 1996 IEEE Vehicular Technology Conference. Atlanta, GA, USA, April 28-May 1, 1996 (accepted).
• Juntti M., Linear multiuser detector update in synchronous dynamic CDMA systems. The Sixth IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Toronto, Ontario, Canada, September 27-29, 1995, pp.980-984.
• Juntti M., Aazhan B., Linear finite memory-length multiuser detectors. Communication Theory Miniconference in conjuction with IEEE Global Telecommunication Conference. Singapore, November 13-17, 1995.
• Kärkkäinen K., Influence of various PN sequence phase optimization criteria on the SNR performance of an asynchronous DS-CDMA system. MILCOM´95. 1995 IEEE Military Communications Conference. San Diego, CA, USA, November 5-8, 1995, pp. 641-646.
• Lang T., Chen X.-H., BER analysis using co-channel interference statistics in a CDMA system with a dual-finger correlator. ISCOM´95. 1995 International Symposium on Communications. Taiwan, December 27-29, 1995, pp. 618-625.
• Latva-aho M. and Lilleberg J., Adaptive Channel Estimator for Multiuser CDMA Receivers. 1995 International Symposium on Synchronization. Saalbau, Essen, Germany, December 14-15, 1995, pp. 127-131.
• Novosad T., Frequency hopping patterns based on finite geometry. MILCOM´95. 1995 IEEE Military Communications Conference, San Diego, CA, USA, November 5-8, 1995, pp. 325-329.
• Pouttu A., Juntti J., Performance studies of slow frequency hopping M-ary FSK with concatenated codes in partial band noise jamming. MILCOM´95. 1995 IEEE Military Communications Conference, San Diego, CA, USA, November 5-8, 1995, pp. 335-339.
• Wang W., Li Y., Deng R., Chen X.-H., A simulation environment for studing workstation multimedia. The Third Singapore International Conference on Networks and Information Engineering. Singapore, July 3-7, 1995, pp. 627-631.

National Conference Papers

• Chen X.-H., Lang T., Oksman J., Chip rate division multiple access (CRDMA) technique and its performance analysis. FINSIG´95 conference. Helsinki, Finland, June 2, 1995, pp. 30-34.

Patents

• Chen X.-H., Quadrature overlapping modulation system. Patent No. 08/099069. May 1995.
• Leppänen P, Iinatti J., Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa [A circuit for compensating interference in receivers using matched filters]. FIN Patent No. 93068. February 1995.
• Leppänen P, Iinatti J., Interference compensating circuit including a matched filter followed by a median filter. US Patent No. 5426670. June 1995.

Reports

Unless otherwise stated, the following reports were written in Finnish.

• Glisic S., Kumpumäki T., Talvitie J., Latva-aho M., Iinatti J., Diversity reception for mobile satellite systems: Demodulator subsystem document, Key System Analysis (in English). Report No. 111. January 1995. 68 p.
• Glisic S., Kumpumäki T., Talvitie J., Latva-aho M., Iinatti J., Vuohtoniemi R., Diversity reception for mobile satellite systems: Demodulator subsystem document, Release 1.1 (in English). Report No. 112. January 1995. 82 p.
• Vuohtoniemi R., DS-vastaanottimen laajakaistaisen AGC-silmukan suorituskykysimuloinnit jatkuvassa ja pulssitetussa CW-häirinnässä [The simulation results of the presync AGC in the continuous and pulsed CW-jamming]. Report No. 113. January 1995. 31 p.
• Talvitie J., Hovinen V., Hämäläinen M., Wideband channel characterization for model development (in English). Report No. 115. March 1995. 24 p.
• Pirinen P., Solukkoverkkojen järjestelmätarkasteluja [System aspects of cellular networks]. Report No. 116. May 1995. 37 p.
• Hämäläinen M., Talvitie J., Hovinen V., Wideband channel models for wireless local loop applications: final report (in English). Report No. 117. May 1995. 42 p.
• Vallström J. and Latva-aho M., Viivelukitut silmukat häipyvissä monitiekanavissa [Delay-lock loops in fading multipath channels]. Report No. 118. June 1995. 103 p.
• Järvensivu P., Keskineliövirheen alarajoista [On the lower bounds for the mean-square error]. Report No. 119. July 1995. 31 p.
• Nissilä M., Radio channel simulations of wireless video (in English). Report No. 120. August 1995. 10 p.
• Kärkkäinen K., Influence of various PN sequence phase optimization criteria on the SNR performance of an asynchronous DS-CDMA system (in English). Report No. 121. August 1995. 19 p.
• Arnheiter T., Simulation of noncoherent MF + MeF code acquisition structure (in English). Report No. 122. August 1995. 42 p.
• Schäfer F., Simulation of noncoherent MF + TrF code acquisition structure (in English). Report No. 123. August 1995. 47 p.
• Kokkonen T., Pienen koodisuhteen koodausmenetelmiä CDMA-järjestelmään [Low rate coding methods for CDMA system]. Report No. 124. September 1995. 48 p.
• Iinatti J., Kunnari P., Esiselvitysraportti: koodisynkronointi sotilassovellusten FH- ja FH/DS-järjestelmissä [Preliminary report: code synchronization for military applications in FH and FH/DS systems]. Report No. 125. September 1995. 35 p.
• Mustonen J., Wireless transmission of video 1995 - Simulation report: August-September (in English). Report No. 126. October 1995. 10 p.
• Nykänen A., HAKAMI DSP-option simulointeja ja laboratoriomittauksia [Computer simulations and performance measurements of a wideband radio channel measurement system]. Report No. 127. October 1995. 37 p.
• Seppänen A.-M., Alustavia simulointeja MF+MeF-rakenteen käytöstä sinimuotoisen häiriösignaalin tapauksessa [Preliminary simulations of the use of MF+MeF structure in the case of sinusoidal interfering signal]. Report No. 129. November 1995. 25 p.
• Saarnisaari, H., Emitter location using range or range difference measurements (in English). Report No. 130. December 1995. 30 p
• Pirinen P., Hybrid TDMA/CDMA MA scheme using complementary code sets (in English). FRAMES Report No. AC090/OUL/AI0/PI/I/003/a1. November 1995. 11 p.
• Pirinen P., Glisic S., Spectrum efficiency results for hybrid TDMA/CDMA MA scheme using complementary code sets (in English). FRAMES Report No. AC090/OUL/AI0/ PI/I/004/a1. November 1995. 16 p.

Laboratory Notes

Unless otherwise stated, the following laboratory notes were written in Finnish.

• Latva-aho M., Matkakertomus matkalta Nokian tutkimuskeskukseen (Helsinki), George Washingtonin yliopistoon (Washington D.C.) ja Ricen yliopistoon (Houston, TX) 3.-15.2.1995 [A travel report of the journey to Nokia Research Center (Helsinki), George Washington University (Washington D.C.) and Rice University (Houston, TX) in 3.-15.12.1995]. Laboratory Note No. 139. February 1995. 14 p.
• Ojala K., Omnisys järjestelmätason simulointityökaluna [Omnisys for system design]. Laboratory Note No. 144. March 1995. 19 p.
• Kokkonen T., Mitä ovat ortogonaalinen, biortogonaalinen ja superortogonaalinen konvoluutiokoodaus? [What are orthogonal, biorthogonal and superorthogonal convolutional coding?]. Laboratory Note No. 146. April 1995. 26 p.
• Juntti M., IEEE Information Theory Workshop on Information Theory, Multiple Access, and Queueing (in English). Laboratory Note No.148. May 1995. 7 p.
• Deslauriers C., Simulation of communication system with OPNET (in English). Laboratory Note No. 149. May 1995. 38 p.
• Pirinen P., Mobile channel software simulation (in English). Laboratory Note No. 152. June 1995. 9 p.
• Reinilä J., Nopeat A/D- ja D/A-muuntimet [Fast A/D- and D/A-converters]. Laboratory Note No. 153. June 1995. 13 p.
• Hämäläinen M., Mobile radio channel measurement techniques. Laboratory Note No. 154. June 1995. 10 p.
• Ojala K., Heijastus-/sirontailmiö mobileradiokanavassa [The reflection/scattering mechanism in mobile radio channel]. Laboratory Note No. 155. June 1995. 9 p.
• Ojala K., Suoramuunnosvastaanottimet [Direct conversion receivers]. Laboratory Note No. 156. June 1995. 12 p.
• Järvensivu P., Luonnontieteellisen tiedekunnan matematiikan ja fysiikan opiskelijoiden muuntokoulutus [Conversion of studies of students of mathematics and physics department of faculty of science]. Laboratory Note No. 157. June 1995. 2 p.
• Iinatti J., Sovitettu suodatin -lohkon vastaanottotestimäärittely [Matched filter-block acceptance test specification]. Laboratory Note No. 158. June 1995. 12p.
• Pirinen P., Vallström J., Matkakertomus kurssista: First joint European compact course on mobile personal communications systems [Travel report on course: First joint European compact course on mobile personal communications systems]. Laboratory Note No. 159. August 1995. 13 p.
• Kokkonen T., Raporttikirjaston käyttöopas [Report library user's guide]. Laboratory Note No. 160. August 1995. 10 p.
• Nissilä M., Set of COSSAP simulation models (in English). Laboratory Note No. 161. August 1995. 13 p.
• Reinilä J., ATK-haku hajaspektrivastaanottimien RF/IF-rakenteista [Computerized information retrieval on the RF/IF-stages of SS receivers]. Laboratory Note No. 162. August 1995. 4 p.
• Kokkonen T. (Ed.), Tiivistelmä kirjasta: Mobile Radio Communications; R. Steele (Ed.); 1992 [Summary of book: Mobile Radio Communications; R. Steele (Ed.); 1992]. Laboratory Note No. 164. August 1995. 135 p.
• Vuohtoniemi R., Automaattinen vahvistuksen säätö FH-vastaanottimissa [Automatic gain control in FH-receivers]. Laboratory Note No. 166. August 1995. 11 p.
• Pouttu, A., Matkakertomus kurssiin: Modelling and simulation of communication systems, The physical level: Wireless, mobile, satellite, optical and radio links [Travel report for the course: Modelling and simulation of communication systems, The physical level: Wireless, mobile, satellite, optical and radio links ] Laboratory note No. 170, November 1995, 18 p.
• Hämäläinen M., Hakami 1 DSP-option häiriösäteilymittaus parallel data -kaapelin muutostyön jälkeen [Spurious radiation measurements of the Hakami 1 DSP-option after changing the parallel data cable]. Laboratory Note No. 171. November 1995. 5 p.

Last updated 24.9.1996 by Tipe