JPWO2020167051A5 - - Google Patents

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JPWO2020167051A5
JPWO2020167051A5 JP2021547441A JP2021547441A JPWO2020167051A5 JP WO2020167051 A5 JPWO2020167051 A5 JP WO2020167051A5 JP 2021547441 A JP2021547441 A JP 2021547441A JP 2021547441 A JP2021547441 A JP 2021547441A JP WO2020167051 A5 JPWO2020167051 A5 JP WO2020167051A5
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pusch
dmrs
ofdm
prach
preamble
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JP2021547441A
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JP7411668B2 (en
JP2022520958A (en
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Priority claimed from PCT/KR2020/002146 external-priority patent/WO2020167051A1/en
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Claims (9)

無線通信システムにおいて端末により実行される方法であって、
ＰＲＡＣＨ(ｐｈｙｓｉｃａｌ ｒａｎｄｏｍ ａｃｃｅｓｓ ｃｈａｎｎｅｌ)プリアンブルとＰＵＳＣＨ(ｐｈｙｓｉｃａｌ ｕｐｌｉｎｋ ｓｈａｒｅｄ ｃｈａｎｎｅｌ)を含むメッセージＡを得る過程と、
前記メッセージＡを送信する過程を含み、
前記ＰＵＳＣＨがＣＰ－ＯＦＤＭ(ｃｙｃｌｉｃ ｐｒｅｆｉｘ ｂａｓｅｄ ｏｒｔｈｏｇｏｎａｌ ｆｒｅｑｕｅｎｃｙ ｄｉｖｉｓｉｏｎ ｍｕｌｔｉｐｌｅｘ)により設定されることに基づいて、前記ＰＵＳＣＨに対するＤＭＲＳに関連するＤＭＲＳ(ｄｅｍｏｄｕｌａｔｉｏｎ ｒｅｆｅｒｅｎｃｅ ｓｉｇｎａｌ)シーケンスのある数のシード値は、所定のパラメータセットの中の２つのパラメータの中の前記ＰＲＡＣＨプリアンブルのＲＡＰＩＤ（ｒａｎｄｏｍ ａｃｃｅｓｓ ｐｒｅａｍｂｌｅ ｉｎｄｅｎｔｉｆｉｅｒ）に基づいて決定される、方法。 A method performed by a terminal in a wireless communication system, comprising:
obtaining a message A including a PRACH (physical random access channel) preamble and a PUSCH (physical uplink shared channel);
sending said message A;
Based on the PUSCH being configured by cyclic prefix based orthogonal frequency division multiplex (CP-OFDM), a certain number of seed values of demodulation reference signal (DMRS) sequences related to DMRS for the PUSCH are set to a predetermined parameter set is determined based on the RAPID (random access preamble identifier) of the PRACH preamble among the two parameters in . 前記ＰＵＳＣＨが前記ＣＰ－ＯＦＤＭにより設定されることに基づいて、前記ある数は１又は２である、請求項１に記載の方法。 2. The method of claim 1, wherein the certain number is 1 or 2 based on the PUSCH being configured by the CP-OFDM. 前記ＰＵＳＣＨがＤＦＴ－ｓ－ＯＦＤＭ(ｄｉｓｃｒｅｔｅ Ｆｏｕｒｉｅｒ ｔｒａｎｓｆｏｒｍ ｓｐｒｅａｄ ｏｒｔｈｏｇｏｎａｌ ｆｒｅｑｕｅｎｃｙ ｄｉｖｉｓｉｏｎ ｍｕｌｔｉｐｌｅｘ)により設定されることに基づいて、前記ある数は、１である、請求項１に記載の方法。 The method of claim 1, wherein the certain number is 1 based on the PUSCH being set by DFT-s-OFDM (discrete Fourier transform spread orthogonal frequency division multiplex). 前記ＤＭＲＳが一つのＯＦＤＭ(ｏｒｔｈｏｇｏｎａｌ ｆｒｅｑｕｅｎｃｙ ｄｉｖｉｓｉｏｎ ｍｕｌｔｉｐｌｅｘｉｎｇ)シンボル内に設定されることに基づいて、前記ＤＭＲＳは４ＤＭＲＳポートまでに基づき送信される、請求項１に記載の方法。 The method of claim 1, wherein the DMRS is transmitted based on up to 4 DMRS ports based on the DMRS being configured within one OFDM (orthogonal frequency division multiplexing) symbol. 前記ＰＲＡＣＨプリアンブルは所定の多数のＰＲＡＣＨプリアンブルに含まれ、
前記多数のＰＲＡＣＨプリアンブルは前記ＤＭＲＳシーケンスに関連する一つのＤＭＲＳリソースにマッピングされる、請求項１に記載の方法。 The PRACH preamble is included in a predetermined number of PRACH preambles,
The method of claim 1, wherein the multiple PRACH preambles are mapped to one DMRS resource associated with the DMRS sequence. 無線通信システムで動作する装置であって、
送受信機と、
前記送受信機に連結された少なくとも一つのプロセッサを含み、
前記少なくとも一つのプロセッサは、
ＰＲＡＣＨ(ｐｈｙｓｉｃａｌ ｒａｎｄｏｍ ａｃｃｅｓｓ ｃｈａｎｎｅｌ)プリアンブルとＰＵＳＣＨ(ｐｈｙｓｉｃａｌ ｕｐｌｉｎｋ ｓｈａｒｅｄ ｃｈａｎｎｅｌ)を含むメッセージＡを取得し、
前記メッセージＡを送信するように構成され、
前記ＰＵＳＣＨがＣＰ－ＯＦＤＭ(ｃｙｃｌｉｃ ｐｒｅｆｉｘ ｂａｓｅｄ ｏｒｔｈｏｇｏｎａｌ ｆｒｅｑｕｅｎｃｙ ｄｉｖｉｓｉｏｎ ｍｕｌｔｉｐｌｅｘ)により設定されることに基づいて、前記ＰＵＳＣＨに対するＤＭＲＳに関連するＤＭＲＳ(ｄｅｍｏｄｕｌａｔｉｏｎ ｒｅｆｅｒｅｎｃｅ ｓｉｇｎａｌ)シーケンスのある数のシード値は所定のパラメータセットの中の２つのパラメータの中の前記ＰＲＡＣＨプリアンブルのＲＡＰＩＤ（ｒａｎｄｏｍ ａｃｃｅｓｓ ｐｒｅａｍｂｌｅ ｉｎｄｅｎｔｉｆｉｅｒ）に基づいて決定される、装置。 An apparatus operating in a wireless communication system, comprising:
a transceiver;
at least one processor coupled to the transceiver;
The at least one processor
obtain a message A including a PRACH (physical random access channel) preamble and a PUSCH (physical uplink shared channel);
configured to transmit said message A;
Based on the PUSCH being configured by CP-OFDM (cyclic prefix based orthogonal frequency division multiplex), a seed value of a certain number of DMRS (demodulation reference signal) sequences related to DMRS for the PUSCH is a predetermined parameter set. determined based on the RAPID (random access preamble identifier) of the PRACH preamble among the two parameters in . 前記ＰＵＳＣＨが前記ＣＰ－ＯＦＤＭにより設定されることに基づいて、数は１又は２である、請求項６に記載の装置。 7. The apparatus of claim 6, wherein the number is 1 or 2 based on the PUSCH being configured by the CP-OFDM. 前記ＰＵＳＣＨがＤＦＴ－ｓ－ＯＦＤＭ(ｄｉｓｃｒｅｔｅ Ｆｏｕｒｉｅｒ ｔｒａｎｓｆｏｒｍ ｓｐｒｅａｄ ｏｒｔｈｏｇｏｎａｌ ｆｒｅｑｕｅｎｃｙ ｄｉｖｉｓｉｏｎ ｍｕｌｔｉｐｌｅｘ)により設定されることに基づいて、前記ある数は、１である、請求６に記載の装置。 7. The apparatus of claim 6 , wherein the certain number is 1 based on the PUSCH being configured by discrete Fourier transform spread orthogonal frequency division multiplex (DFT-s-OFDM). 前記装置は、移動端末、ネットワーク及び前記装置を含む車両以外の自律走行車両のうちのいずれかと通信する、請求項６に記載の装置。 7. The device of claim 6 , wherein the device communicates with any of a mobile terminal, a network and an autonomous vehicle other than the vehicle containing the device.
JP2021547441A 2019-02-15 2020-02-14 Method of transmitting and receiving signals in a wireless communication system and device supporting the same Active JP7411668B2 (en)

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US201962806611P 2019-02-15 2019-02-15
US62/806,611 2019-02-15
US201962842603P 2019-05-03 2019-05-03
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