The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 1983
Filed:
Mar. 02, 1981
Karl Kammerlander, Wolfratshausen, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
A process for monitoring analog and digital mobile radio connections is disclosed within the framework of a mobile radio network comprising a number of radio base stations in a mutual spatial arrangement in the form of a cellular system having overlapping radio ranges. A predetermined number of radio ranges, directly adjacent to one another, form a group of radio ranges in which the total number of available frequency channels is repeated. A simple functionally-reliable monitoring system provides that the useful signals transmitted in the specific time slots are radio range related information blocks which are time compressed and delayed at the transmitting end. Data block sequences containing monitoring signals are inserted into the time gaps which arise during time compression. At the receiving end, following the gating out of the data block sequences to a signal processing unit, the compressed received useful signal is fed to an expansion device. The time blocks are thus brought to precisely the same length as the original useful signal.