
{"publication_number": "US-2017230202-A1", "abstract": "channel estimation with reduced overhead in a filter bank multi - carrier system is enabled by use of frequency - time blocks each comprising a pilot field with two pilot symbols and data symbols outside the pilot field . in embodiments , nearest neighbors of the pilot field are populated with data symbols which fulfill one or more symmetry relations enabling approximate interference cancellation . in a first embodiment , the pilot field consists of two frequency - consecutive and time - coinciding positions ; the pilot field may be time - initial in a transmission or may be located in the interior of the transmission . in a second embodiment , a block comprises two frequency - coinciding and time - consecutive pilot symbols ; the pilot field may be frequency - initial in a transmission or may be located in the interior of the transmission .", "application_number": "US-201514893850-A", "description": "fig1 illustrates an example communication network comprising a first node 10 and a second node 20 operative to communicate over a wired or wireless connection indicated by a dashed line on the drawing . the first node 10 comprises a modulator 11 for fbmc - modulating a signal , a transmitter 12 for transmitting the fbmc - modulated signal to a second node , and a processor 13 configured to generate the signal to be modulated . for instance , the modulator may prepare a fbmc - modulated signal according to equation ( 1 ) on the basis of a set of symbols { d n , k : 0 \u2266 n \u2266 n \u2212 1 , 0 \u2266 k \u2266 k \u2212 1 