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Efficient location determination for mobile units

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Efficient location management strategies in a UMTS-based...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Efficient location of mobile radiotelephones using cellular...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Efficient message transmission in a mobile communication system

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate

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Efficient multimode power amplifier

Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate

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Efficient multiple-band antenna switching circuit

Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Reexamination Certificate

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Efficient neighbor list creation for cellular networks

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Efficient operation for co-located WLAN and Bluetooth

Telecommunications – Transmitter and receiver at separate stations – Short range rf communication
Reexamination Certificate

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Efficient paging system with sleep mode duration determined by t

Telecommunications – Transmitter and receiver at separate stations
Patent

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Efficient polyphase filter having a compact structure

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Reexamination Certificate

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Efficient power management in wireless local area networks

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Efficient power management in wireless local area networks

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Efficient radio link adaptation and base station sector...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Efficient radio signal diversity combining using a small set of

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Patent

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Efficient re-registration of mobile IP nodes

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Efficient resource management for packet data services

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate

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Efficient resource management for packet data services

Telecommunications – Radiotelephone system – Special service
Reexamination Certificate

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Efficient RF amplifier topologies

Telecommunications – Transmitter and receiver at same station
Reexamination Certificate

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Efficient searching by a remote unit in a slotted mode...

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate

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Efficient service registration for legacy applications in a...

Telecommunications – Transmitter and receiver at separate stations – Short range rf communication
Reexamination Certificate

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