Method and Access Point for Maintaining Synchronization Among Access Points in Radio Access Network

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United States of America Patent

APP PUB NO 20170303219A1
SERIAL NO

15512915

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure provides a method implemented in an access point, AP, for maintaining synchronization among APs in a radio access network as well as the AP. The method comprises at least one of a transmission step and a reception step. At the transmission step, a first inter-AP synchronization signal is transmitted to a first neighboring AP, which synchronizes to the AP, at a transmission resource indicated by a first synchronization signal transmission/reception pattern associated with the AP, when the first neighboring AP receives the first inter-AP synchronization signal at a reception resource indicated by a second synchronization signal transmission/reception pattern associated with the first neighboring AP, wherein the reception resource indicated by the second synchronization signal transmission/reception pattern overlaps with the transmission resource indicated by the first synchronization signal transmission/reception pattern. At the reception step, a second inter-AP synchronization signal is received from a second neighboring AP, to which the AP synchronizes, at a reception resource indicated by the first synchronization signal transmission/reception pattern, when the second neighboring AP transmits the second inter-AP synchronization signal at a transmission resource indicated by a third synchronization signal transmission/reception pattern associated with the second neighboring AP, wherein the reception resource indicated by the first synchronization signal transmission/reception pattern overlaps with the transmission resource indicated by the third synchronization signal transmission/reception pattern.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)STOCKHOLM12205

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