System and method for distributing wireless communication...

H - Electricity – 04 – W

Patent

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H04W 92/12 (2009.01)

Patent

CA 2508460

A method for transporting wireless communication signals between a centrally located base station hotel and remotely located cell sites separately digitizes RE carrier signals (440). The separately digitized downlink carriers are transmitted over a network from the base station hotel to the remote sites, remaining in digital format until they reach the terminal antenna units at the remote sites. At the antenne units, the signals are converted back to analog RIF signals and transmitted to cellular subscribers. Conversely, uplink RIF carrier signals are separately digitized at the antenna units and transported back to the base station hotel. In a preferred embodiment, the method of downlink wireless signal transport is implemented in a system comprising a base station hotel, at least one remote site, and a digital data network connecting the hotel to the remote site.

Un procédé de transport de signaux de communication sans fil entre un hôtel de stations de base situé au centre et des sites cellulaires situés à distance, numérise séparément les signaux (440) de porteuses RF. Les porteuses de liaison descendante séparément numérisées sont envoyées sur un réseau entre l'hôtel de stations de base et les sites éloignés, tout en restant dans un format numérique jusqu'à ce qu'elles atteignent les unités d'antenne du terminal au niveau des sites éloignés. Au niveau des unités d'antenne, les signaux sont reconvertis en signaux analogiques RF et envoyés aux abonnés cellulaires. Réciproquement, les signaux de porteuses RF sont séparément numérisés au niveau des unités d'antenne et renvoyés à l'hôtel de stations de base. Dans une forme de réalisation préférée, le procédé de transport des signaux sans fil de liaison descendante est mis en oeuvre dans un système comprenant un hôtel de stations de base, au moins un site éloigné et un réseau de données numériques reliant l'hôtel au site éloigné.

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