Methods of reliably sending control signal

Details Methods of reliably sending control signal Methods of reliably sending control signal

H - Electricity

04

W

H04W 72/00 (2009.01)

Patent

CA 2718283

Downlink PDCCH is communicated in a manner that mitigates a UE from decoding the PDCCH on multiple aggregation levels. Ambiguous payload sizes are identified and modified through zero padding with one or more bits based on the payload size. Aggregation level scrambling sequences can be generated such that a receiving UE can accurately identify the aggregation level on which to decode the PDCCH. Indicator bits that signal the aggregation level to a UE can also be included in the PDCCH.

Procédé de communication dun canal PDCCH en voie descendante visant à empêcher un équipement usager (UE) den effectuer le décodage sur une pluralité de niveaux dagrégation. Le procédé consiste notamment à identifier des tailles de charge utile ambiguës et à modifier celles-ci par remplissage au moyen dun ou de plusieurs bits 0 en fonction de leur valeur. Des séquences dembrouillage de niveau dagrégation peuvent être générées pour permettre à un UE récepteur didentifier précisément le niveau dagrégation sur lequel il convient de décoder le PDCCH. Des bits indicateurs précisant le niveau dagrégation à utiliser par un UE peuvent également être incorporés au PDCCH.

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