Matches 1 - 5 out of 5
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7316780 Range separation devices and processes  
Separation device comprising a feed channel including a shear region, permeate passage(s) extending perpendicular to the direction of the feed flow and a porous medium positioned between the shear...
6804212 Method and arrangement for establishing a connection between a base station and mobile station  
The invention relates to a method and arrangement for establishing a connection between a base station and mobile station. The invention is especially applicable to digital TDMA (Time Division...
6633559 Apparatus and methods for extended base station range using staggered uplink frame structures  
A first group of terminals at a first range from base station is instructed, e.g., by transmitted timing advance values, to time their transmissions to arrive at a base station in synchronism with...
6577616 Systems and methods for implementing large CDMA cell sizes  
Methods and apparatuses are provided for CDMA (code division multiple access) access availability to a large cell area, and for traffic channel establishment. A group of cell site modems are...
6574205 CDMA cellular system and method of detecting spreading code in CDMA cellular system  
A CDMA cellular system does not require accurate synchronization between all base stations and is capable of distinguishing the base stations from each other without the need for a complex process....
Matches 1 - 5 out of 5