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The globalstar cellular satellite system (vol 46, pg 935, 1998)

作     者:Dietrich, FJ Monte, P Metzen, P 

作者机构:Space Syst Loral Palo Alto CA USA Globastar San Jose CA 95164 USA 

出 版 物:《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 (IEEE Trans Antennas Propag)

年 卷 期:1998年第46卷第8期

页      面:1244-1244页

核心收录:

学科分类:0810[工学-信息与通信工程] 0808[工学-电气工程] 08[工学] 

主  题:Satellite broadcasting Multiaccess communication Mobile communication Telephony Artificial satellites Satellite ground stations Downlink Circuits Frequency conversion Modulation coding 

摘      要:The Globalstar cellular-telephone satellite system is described, including its use of code-division multiple access (CDMA) as the basic modulation scheme. Use of diversity for signal quality as well as power control is described, Development of the complex array antennas for L-band (1.6 GHz) and S-band (2.5 GHz) communication with the hand-held radios is described in detail.

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