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Propagation measurement based estima...

Han, Min.

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Propagation measurement based estimation and comparison of DSSS microcellular mobile link performance at 2.25 and 5.8 GHz.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Propagation measurement based estimation and comparison of DSSS microcellular mobile link performance at 2.25 and 5.8 GHz./
作者:	Han, Min.
面頁冊數:	118 p.
附註:	Source: Masters Abstracts International, Volume: 45-04, page: 2041.
Contained By:	Masters Abstracts International45-04.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR23339
ISBN:	9780494233399

Propagation measurement based estimation and comparison of DSSS microcellular mobile link performance at 2.25 and 5.8 GHz.
Han, Min.

Propagation measurement based estimation and comparison of DSSS microcellular mobile link performance at 2.25 and 5.8 GHz. - 118 p.

Source: Masters Abstracts International, Volume: 45-04, page: 2041.

Thesis (M.A.Sc.)--Carleton University (Canada), 2007.

As a result of increasing demand for greater mobile system capacities, expansion into frequency bands other than the current IMT2000 band near 2 GHz is being considered. Estimation of expected mobile link performance at other frequencies is thus important.

ISBN: 9780494233399Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Propagation measurement based estimation and comparison of DSSS microcellular mobile link performance at 2.25 and 5.8 GHz.
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245 1 0 $a Propagation measurement based estimation and comparison of DSSS microcellular mobile link performance at 2.25 and 5.8 GHz.
300 $a 118 p.
500 $a Source: Masters Abstracts International, Volume: 45-04, page: 2041.
502 $a Thesis (M.A.Sc.)--Carleton University (Canada), 2007.
520 $a As a result of increasing demand for greater mobile system capacities, expansion into frequency bands other than the current IMT2000 band near 2 GHz is being considered. Estimation of expected mobile link performance at other frequencies is thus important.
520 $a During this thesis project, quasi-simultaneous propagation measurements at 2 and 6 GHz frequencies were conducted in downtown Ottawa. Measurement-based analysis and comparison of time-varying channel characteristics are reported. These show that there is often a larger signal fluctuation after Rake combining at 6 GHz. Results also show that in NLOS conditions, the RMS delay spreads at 2 GHz are slightly greater.
520 $a Measurement-based prediction of error performance resulting from the use of Rake receivers on BPSK-DSSS mobile links was conducted. For transmissions with low data rates in IMT2000 bandwidths, self-interference that results from multipath propagation is insignificant, enabling the use of well-known prediction equations. Results show that error performance would be slightly better at 2 GHz. However, channel protection in NLOS conditions would still be required in both frequency bands to achieve BER performance of 10 -3 throughout 2-city block microcells. For the consideration of transmission with high data rates, the effects of self-interference can not be ignored. To accurately account for this, a recently reported semi-analytical BER prediction technique was used. Resulting comparisons of achievable performance in the two bands were similar to those for the low data rate case.
590 $a School code: 0040.
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710 2 0 $a Carleton University (Canada). $3 1018407
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792 $a 2007
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