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    • 1. 发明专利
    • Method to determine the number of data streams to be used in a mimo system
    • AU2006310608A8
    • 2008-05-29
    • AU2006310608
    • 2006-10-24
    • FRAUNHOFER GES FORSCHUNGNOKIA SIEMENS NETWORKS GMBH
    • SCHULZ EGONHAUSTEIN THOMASJUNGNICKEL VOLKERZIRWAS WOLFGANG
    • H04L1/00H04L1/06
    • The invention relates to a method to determine a transmission mode to be used at a MIMO-transmitter. The determination of an optimum transmission mode is done at the side of a MIMO-receiver. The receiver calculates for each stream of a maximum number of received streams an effective SINR-value for a given first linear dispersion code LDC. The SINR value of each stream is used to select, according to a desired BER target, a suitable modulation alphabet for each stream. A sum-rate is calculated over all streams and a first stream with a minimum effective SINR value is separated and is not considered furthermore. A linear dispersion code LDC with a smaller code rate than the first linear dispersion code LDC is selected and SINR-values for the remaining N-1 streams are calculated. A new sum-rate is obtained accordingly. In case that the new sum rate of the remaining N-1 streams is smaller than the sum rate of N streams, the sum-rate calculation is terminated. In all other cases, the step of separation of a stream with smallest effective SINR, the step of selection of a linear dispersion code LDC with a smaller code rate than the linear dispersion code LDC before and the step of calculation of SINR value for remaining streams are repeated accordingly. The most suitable code rate of the linear dispersion code LDC is selected after the termination and the code rate is reported to the transmitter, together with assigned quantized effective SINR value of each stream, to allow a final decision about a optimum transmission mode at the transmitter.
    • 2. 发明专利
    • BRPI0618091A2
    • 2011-08-16
    • BRPI0618091
    • 2006-10-24
    • NOKIA SIEMENS NETWORKS GMBHFRAUNHOFER GES FORSCHUNG
    • HAUSTEIN THOMASJUNGNICKEL VOLKERSCHULZ EGONZIRWAS WOLFGANG
    • H04L1/00H04L1/06
    • The invention relates to a method to determine a transmission mode to be used at a MIMO-transmitter. The determination of an optimum transmission mode is done at the side of a MIMO-receiver. The receiver calculates for each stream of a maximum number of received streams an effective SINR-value for a given first linear dispersion code LDC. The SINR value of each stream is used to select, according to a desired BER target, a suitable modulation alphabet for each stream. A sum-rate is calculated over all streams and a first stream with a minimum effective SINR value is separated and is not considered furthermore. A linear dispersion code LDC with a smaller code rate than the first linear dispersion code LDC is selected and SINR-values for the remaining N-1 streams are calculated. A new sum-rate is obtained accordingly. In case that the new sum rate of the remaining N-1 streams is smaller than the sum rate of N streams, the sum-rate calculation is terminated. In all other cases, the step of separation of a stream with smallest effective SINR, the step of selection of a linear dispersion code LDC with a smaller code rate than the linear dispersion code LDC before and the step of calculation of SINR value for remaining streams are repeated accordingly. The most suitable code rate of the linear dispersion code LDC is selected after the termination and the code rate is reported to the transmitter, together with assigned quantized effective SINR value of each stream, to allow a final decision about a optimum transmission mode at the transmitter.
    • 3. 发明专利
    • METHOD TO DETERMINE THE NUMBER OF DATA STREAMS TO BE USED INA MIMO SYSTEM
    • CA2627785A1
    • 2007-05-10
    • CA2627785
    • 2006-10-24
    • NOKIA SIEMENS NETWORKS GMBHFRAUNHOFER GES FORSCHUNG
    • HAUSTEIN THOMASZIRWAS WOLFGANGSCHULZ EGONJUNGNICKEL VOLKER
    • H04L1/00H04L1/06
    • The invention relates to a method to determine a transmission mode to be used at a MIMO-transmitter. The determination of an optimum transmission mode is done at the side of a MIMO-receiver. The receiver calculates for each stream of a maximum number of received streams an effective SINR-value for a given first linear dispersion code LDC. The SINR value of each stream is used to select, according to a desired BER target, a suitable modulation alphabet for each stream. A sum-rate is calculated over all streams and a first stream with a minimum effective SINR value is separated and is not considered furthermore. A linear dispersion code LDC with a smaller code rate than the first linear dispersion code LDC is selected and SINR-values for the remaining N-1 streams are calculated. A new sum-rate is obtained accordingly. In case that the new sum rate of the remaining N-1 streams is smaller than the sum rate of N streams, the sum-rate calculation is terminated. In all other cases, the step of separation of a stream with smallest effective SINR, the step of selection of a linear dispersion code LDC with a smaller code rate than the linear dispersion code LDC before and the step of calculation of SINR value for remaining streams are repeated accordingly. The most suitable code rate of the linear dispersion code LDC is selected after the termination and the code rate is reported to the transmitter, together with assigned quantized effective SINR value of each stream, to allow a final decision about a optimum transmission mode at the transmitter.
    • 5. 发明专利
    • Method to determine the number of data streams to be used in a mimo system
    • AU2006310608A1
    • 2007-05-10
    • AU2006310608
    • 2006-10-24
    • NOKIA SIEMENS NETWORKS GMBHFRAUNHOFER GES FORSCHUNG
    • SCHULZ EGONHAUSTEIN THOMASJUNGNICKEL VOLKERZIRWAS WOLFGANG
    • H04L1/00H04L1/06
    • The invention relates to a method to determine a transmission mode to be used at a MIMO-transmitter. The determination of an optimum transmission mode is done at the side of a MIMO-receiver. The receiver calculates for each stream of a maximum number of received streams an effective SINR-value for a given first linear dispersion code LDC. The SINR value of each stream is used to select, according to a desired BER target, a suitable modulation alphabet for each stream. A sum-rate is calculated over all streams and a first stream with a minimum effective SINR value is separated and is not considered furthermore. A linear dispersion code LDC with a smaller code rate than the first linear dispersion code LDC is selected and SINR-values for the remaining N-1 streams are calculated. A new sum-rate is obtained accordingly. In case that the new sum rate of the remaining N-1 streams is smaller than the sum rate of N streams, the sum-rate calculation is terminated. In all other cases, the step of separation of a stream with smallest effective SINR, the step of selection of a linear dispersion code LDC with a smaller code rate than the linear dispersion code LDC before and the step of calculation of SINR value for remaining streams are repeated accordingly. The most suitable code rate of the linear dispersion code LDC is selected after the termination and the code rate is reported to the transmitter, together with assigned quantized effective SINR value of each stream, to allow a final decision about a optimum transmission mode at the transmitter.
    • 8. 发明专利
    • ФОРМИРОВАНИЕ И ИСПОЛЬЗОВАНИЕ КАРТ ВЫСОКОГО РАЗРЕШЕНИЯ
    • RU2721677C1
    • 2020-05-21
    • RU2019124439
    • 2017-12-29
    • FRAUNHOFER GES FORSCHUNG
    • SAKAGUCHI KEIHAUSTEIN THOMASGROSSMANN MARCUSMAHLER KIM
    • G01S7/00
    • Изобретениеотноситсяк областибеспроводнойсвязи, аточнее, кустройствудляформированиякартвысокогоразрешения (HD) испособамдляформированиякарт HD, беспроводнымсетямсвязии транспортнымсредствам, использующимкарты HD. Изобретениедополнительноимеетотношениек сетямдоставкикарт HD дляавтономноговождения. Техническимрезультатомявляетсяповышениенадежностии безопасностиавтономноговождения. Устройствосодержитпроцессорныйблок, выполненныйс возможностьювыдаватьпервуюкартувысокогоразрешения, блокдатчиков, выполненныйс возможностьюдлявыдачиданныхс датчиков, представляющихсобойокружающиеусловиянапериферииустройства, иблокприемника, выполненныйс возможностьюприниматьданные, представляющиесобойвторуюкартувысокогоразрешения. Процессорныйблоквыполненс возможностьюобъединятьвторуюкартувысокогоразрешенияи данныес датчиков, стемчтобывыдаватьпервуюкартувысокогоразрешения. Устройстводополнительносодержитблокпередатчика, выполненныйс возможностьюдляпередачирезультатаобъединениявторойкартывысокогоразрешенияи данныхс датчика, исодержитблокгенераторакоманд, выполненныйс возможностьюформироватькомандныйсигнал, представляющийсобойкомандууправлениятранспортнымсредствомдлятранспортногосредства, несущегоустройство, наоснованиипервойкартывысокогоразрешения. 7 н. и 37 з.п. ф-лы, 9 ил.
    • 9. 发明专利
    • Kommunikationsnetzwerk
    • DE102011120827A1
    • 2013-06-13
    • DE102011120827
    • 2011-12-13
    • ANDREW WIRELESS SYSTEMS GMBHFRAUNHOFER GES FORSCHUNGKARLSRUHER INST TECHNOLOGIE
    • BRAZ OLIVERDUSSMANN ALFONSTARLAZZI LUIGIHAUSTEIN THOMASWIRTH THOMASWIERUCH DENNISJONDRAL FRIEDRICHJAEKEL HOLGER
    • H04B7/14H04B7/08H04B7/155H04B7/26H04L69/14
    • Kommunikationsnetzwerk (100) für drahtlose Kommunikation, umfassend eine Basisstation (1, 16, 26), ein drahtloses Endgerät (3, 15, 18, 25, 37) und wenigstens einen Repeater (5, 10, 20, 28, 33), der zwischen die Basisstation (1, 16, 26) und das drahtlose Endgerät (3, 15, 18, 25, 37) geschaltet ist, wobei die Basisstation (1, 16, 26) eingerichtet ist, ein Kommunikationssignal auf multiplen Informationskanälen zu senden und zu empfangen, wobei das Endgerät (3, 15, 18, 25, 37) eingerichtet ist, ein Kommunikationssignal auf multiplen Informationskanälen zu senden und zu empfangen, und wobei der Repeater (5, 10, 20, 28, 33) eingerichtet ist, Kommunikationssignale auf multiplen Informationskanälen zu empfangen, durchzuleiten und erneut auszusenden, und eine Umsetzeinrichtung (101, 103, 106, 110, 118) zur Frequenzumsetzung wenigstens eines durchgeleiteten Informationskanals enthält, wobei zusätzlich eine Messempfangseinheit (6, 12, 22, 34, 38) umfasst ist, die zur Ermittlung ungenutzter Frequenzbereiche zur drahtlosen Kommunikation eingerichtet ist, wobei die Messempfangseinheit (6, 12, 22, 34, 38) mit der Umsetzeinrichtung (101, 103, 106, 110, 118) des Repeaters (5, 10, 20, 28, 33) verbunden ist, wobei die Umsetzeinrichtung (101, 103, 106, 110, 118) eingerichtet ist, die Frequenzumsetzung in wenigstens einer Kommunikationsrichtung (UL, DL) auf eine Frequenz aus den ungenutzten Frequenzbereichen vorzunehmen, und wobei der Repeater (5, 10, 20, 28, 33) eingerichtet ist, das Kommunikationssignal mit dem wenigstens einen frequenzumgesetzten Informationskanal in der wenigstens einen Kommunikationsrichtung drahtlos zu senden.