Cellular wide-area radio communications system with relay-enhanced cells
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Procedure for offering services
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Multi-standard mobile radio system with common radio access network uses conventional public mobile radio network physical channels to achieve logical channels for burst radio network
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Procedure for acknowledging data packets and increasing the spatial reusability of radio spectrum
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Method for increasing the spectral efficiency by using UMTS and EDGE in the same band
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Use of the subscriber characteristics for quality of service control in radio networks
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System for on-line polling and evaluation of broadcast users detects user actions and times at terminal input interface without disturbing use of service, transmits to evaluation computer
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System for producing mobile communication services based on independent radio access points connected to internet, in which private access point is made available to third parties
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Network element for a variety of communication systems
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Mutual control of radio systems of different standards in the same frequency band
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Wireless bidirectional transmitting multimedia communication network has mobile subscriber that performs service control to pre-designate access points they will pass and data they will download
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Range enhancement operating method for mobile radio communications base station uses mobile stations within normal range as relay stations for reaching mobile stations outside normal operating range
DE19946540A1
Coexistence of mobile radio systems in the same frequency band
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Combination of measured values from mobile stations for creating and updating the radio field database for wireless and mobile radio networks
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Method for decentralized / central capacity distribution among several stations operating in the same frequency band for packet-oriented transmission methods
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Method of protecting mobile telephone services from misuse using duplicated GSM-SIM cards
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Method and protocol for the secure transmission of data packets over a faulty transmission path with sequence control
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Point-to-multipoint radio system with dynamic channel selection and simultaneous operation in different frequency bands due to radio propagation
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Directional radio system with decentrally controlled dynamic channel selection and dynamic capacity allocation
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Communication system for transmitting ATM cells using data blocks over a wireless medium
