规格翻译专利名称：Multiple ur spread-spectrum
石家庄少儿英语communication system
prompt>muchmoremen发明人：Dennis R. Schaeffer,Michael D. Kotzin 申请号：US07/739037
peavey>studyabroad
申请日：19910801
公开号：US05210771A
公开日：
spano
sm是什么19930511
专利内容由知识产权出版社提供
张成熙
摘要：A communication system having a site employing a plurality of communication channels. Each channel is assigned a desired received signal strength threshold. A channel is assigned to a subscriber unit bad upon the strength of the signal received at the site and the power control range of the subscriber unit. The lection of a channel may be performed either by the site or the subscriber unit. In an FDMA environment, each parate frequency division channel may be assigned different received signal strength thresholds. In a non-overlapping time interval (TDMA) environment, each parate time division channel may be assigned different received signal strength thresholds. In another embodiment, a combination of FDMA and TDMA environments can be ud.
英语四级历年真题
申请人：MOTOROLA, INC.
代理人：Raymond J. Warren
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