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Patent

Method of intra-cell and inter-cell handover in a mobile communications system

TLDR
In this paper, the authors proposed a handover method for a call associated with a mobile station in one cell but moving towards another cell, where the mobile station is allocated a different channel in the one cell and makes a second attempt.
Abstract
A method of performing handover of a call associated with a mobile station in one cell but moving towards another cell includes making a first attempt, using for example a MUX1 SNIFF procedure, on the channel allocated to the mobile station for that call. If that attempt fails, the mobile station is allocated a different channel in the one cell and makes a second attempt. This different channel allocation (intracell handover) is performed even if there are no better signal characteristics achieved as a result. This procedure makes it more likely to be possible to achieve handover when a second mobile station associated with an adjacent cell and operating on the same channel as the first mobile station is also within range of the base station of the other cell.

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Citations
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TL;DR: In this article, a method for operating a base station for transmitting information to a subscriber unit (SU) in a cellular communication system is presented, where the information is included in a downlink signal sent from a signal processing circuit through an array of antennae.
References
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Patent

Method and apparatus for performing a hand-off in a wireless communication system

TL;DR: In this paper, a handoff in a wireless communication system consisting of a plurality of fixed communication units (100) and a controller (104) coupled to a portable communication unit (120) is described.
Patent

Seamless handoff for radio telephone systems

TL;DR: In this article, the authors proposed a method for seamless transfer of a communication link from a first radio telephone base station to a second radio telephone BS by synchronizing with the calling portable radio unit.
Patent

Method for handoff in a mobile radio communication system

TL;DR: In this paper, the authors proposed a method in connection with handoff from a first base station in a mobile radio communication system, in which method the signal strengths from a set of base stations surrounding a mobile station are measured in the latter.
Patent

Enhanced power level usage in a radiotelephone system

TL;DR: In this paper, a radio telephone system allows a subscriber unit (125) to transmit over a predetermined maximum power level, which corresponds to the maximum power levels at which the subscriber unit can emit without subjecting the base stations surrounding targets to interference.