Patent
Idle handoff with neighbor list channel replacement
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TLDR
In this paper, techniques for avoiding handoff to a channel impaired due to frequency dependent fading, while minimizing idle mode signaling, are disclosed, which have the benefit of factoring in frequency dependent channel characteristics when making handoff decisions.Abstract:
Techniques for avoiding handoff to a channel impaired due to frequency dependent fading, while minimizing idle mode signaling are disclosed. In one aspect, an access terminal (106) determines the assigne chancel on an access point (104) and caches the channel. In another aspect, the access terminal (106) replaces a default channel associated with an access point (104) in a cache (270) with the assigned channel. In yet another aspect, the access terminal (106) uses the cached channel associated with an access point when measuring channel quality (220) of neighbor access points for use in handoff determination (240). In yet another aspect, the access terminal (106) hands off to the cached channel of a neighbor access point (104) during handoff. Various other aspects are also presented. These aspects have the benefit of factoring in frequency dependent channel characteristics when making handoff decisions, thus avoiding handoff to an access point where the assigned channel may be impaired.read more
Citations
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TL;DR: In this article, neighbor report and its elements are updated by sending a null packet to improve the performance of the handoff in a wireless network, in addition to more convention information about neighboring access point, search thresholds, target beacon transmission time of neighboring access points, and execution thresholds.
References
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Patent
System for automated determination of handoff neighbor list for cellular communication systems
TL;DR: In this paper, the authors proposed a system for automated determination of handoff neighbor list using the data collected from mobile subscriber units to automatically update the handover neighbor list, where the mobile subscriber unit produces Pilot Strength Measurement (PSM) data that is indicative of the relative signal strength measured at the mobile unit from a plurality of pilot channels.
Patent
Method of pre-computation of candidate handoff cell list for cellular communications
TL;DR: In this article, a satellite cellular communication system includes satellites in motion that project cells upon the surface of the Earth, thus requiring individual subscriber units (26) to perform handoffs as an active current cell (300) currently servicing them advances Selection of a subsequent servicing cell requires evaluation of active neighboring cells.
Patent
Mobile station-controlled handoff
TL;DR: In this article, a cellular mobile radio system wherein a mobile station chooses an appropriate base station (B1-B10) and an appropriate carrier/time slot combination (Fig. 3) of a multicarrier time division multiplexed radio system for the purpose of call setup and handoff is presented.
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Method and apparatus for constructing a temporary list of neighboring base stations in a wireless communication device
TL;DR: In this article, a wireless communication device receives a neighbor list message from a first base station, which includes a respective base station configuration parameter for each of a plurality of base stations.
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Mobile communication system capable of selecting relevant base station to be connected to mobile station from base-station-described neighbor list produced based on the number of times of hand-over operations
TL;DR: In this article, a mobile communication system composed of a plurality of base stations including a first and second connecting base stations and a mobile terminal connected to the first connecting base station is presented.