Abstract
The invention relates to a self-adapting pilot MIMO-OFDM system is inserted. emitting entity in each protocol data unit (PDU) sends the basic pilot symbols. lower the normal (or most of) signal path condition receiving entity can use the base pilot frequency symbol to implement adequately accurate channel response the MIMO channel estimation. emitting entity according to need e.g. based on channel conditions and/or other factors selectively sending additional pilot frequency symbol. additional pilot symbols can be almost self-adapting any symbol cycle is inserted in PDU. receiving entity can use the additional pilot frequency symbol to obtain improved signal path response estimation. emitting entity is sent for indicating signaling of additional pilot frequency symbol is being sent. The signaling can be embedded in through pilot symbols for a set of pilot subbands transmission for carrier wave pilot frequency symbol is in and the carrier wave pilot frequency symbol transmitted in the most part of the PDU. The signaling designates whether the additional pilot frequency symbol is being transmitted or possible other relative information.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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5G | 05/12/2019 | ISLD-201912-057 | QUALCOMM INC |
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EP1774736A2 | 4G | 08/04/2012 | ISLD-201204-008 | QUALCOMM INC | Yes | Basis Patent | ||||
EP1774736A2 | Not Available | 08/04/2012 | ISLD-201204-008 | QUALCOMM INC | Yes | Basis Patent | ||||
EP1774736A2 | 4G | 29/01/2017 | ISLD-201703-174 | QUALCOMM INC |
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EP1774736A2 | 5G | 05/12/2019 | ISLD-201912-057 | QUALCOMM INC |
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EP1774736B1 | 4G | 08/04/2012 | ISLD-201204-008 | QUALCOMM INC | Yes | Basis Patent | ||||
EP1774736B1 | Not Available | 08/04/2012 | ISLD-201204-008 | QUALCOMM INC | Yes | Basis Patent | ||||
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CA2574740A1 | 4G | 08/04/2012 | ISLD-201204-008 | QUALCOMM INC | Yes | Family Member | ||||
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No | Family Member | |||
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No | Family Member | |||
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Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
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