JP7117308B2 - 参照信号オフセットをシグナリングおよび判定するための方法および装置 - Google Patents
参照信号オフセットをシグナリングおよび判定するための方法および装置 Download PDFInfo
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- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
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- H04L25/0224—Channel estimation using sounding signals
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- H04L27/26—Systems using multi-frequency codes
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- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
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- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
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Description
リソースブロックは、
によって規定される。
c(n)=(x1(n+NC)+x2(n+NC))mod2
x1(n+31)=(x1(n+3)+x1(n))mod2
x2(n+31)=(x2(n+3)+x2(n+2)+x2(n+1)+x2(n))mod2
によって既定され、ここで、NC=1600であり、第1のmシーケンスは、x1(0)=1,x1(n)=0,n=1,2,...,30で初期化されるものとする。第2のmシーケンスの初期化は、
によって示され、この値は、シーケンスの用途に依存する。
、i=0,1、は
-
の値が上位層によって提供されない場合、または、DCIフォーマット1A、2B、または2Cが、PDSCH送信に関連付けられたDCIのために使用されている場合には、
によって、
-そうではなく、この値が、PDSCHをスケジュールするために使用されるダウンリンク制御情報において示される場合には、
によって与えられる。ここで、「DCI」はダウンリンク制御情報を示し、「PDSCH」は物理ダウンリンク共有チャネルを示す。
Claims (2)
- 無線通信ネットワーク(16)における動作のために設定された無線通信デバイス(12)における動作の方法(600)であって、
前記ネットワーク(16)内のネットワークノード(50)から受信した情報に基づいて、参照信号シーケンス(40)のシーケンスオフセットを判定すること(602)と、
前記シーケンスオフセットに基づいて、前記参照信号シーケンス(40)のどの部分が、前記参照信号シーケンス(40)のオーバレイ部分(44)と称される前記無線通信デバイス(12)のスケジュール済帯域幅(36)にオーバレイするかを判定すること(604)と、
前記参照信号シーケンス(40)の前記オーバレイ部分(44)に含まれる1つまたは複数のシーケンスエレメント(42)を送信することとを備え、
前記スケジュール済帯域幅(36)は、前記ネットワーク(16)に関連付けられた、より大きなシステム帯域幅(30)の一部であり、前記参照信号シーケンス(40)は、前記参照信号シーケンス(40)を構成するそれぞれのシーケンスエレメント(42)と、前記システム帯域幅(30)を構成するそれぞれの副搬送波(32)との間のマッピングにしたがって、前記システム帯域幅(30)にオーバレイする、方法(600)。 - 無線通信ネットワーク(16)における動作のために設定された無線通信デバイス(12)であって、
前記ネットワーク(16)内の1つまたは複数のノードと無線通信するように設定された通信回路構成(72)と、
前記通信回路構成(72)と動作可能に関連付けられ、
前記ネットワーク(16)内のネットワークノード(50)から受信した情報に基づいて、参照信号シーケンス(40)のシーケンスオフセットを判定し、
前記シーケンスオフセットに基づいて、前記参照信号シーケンス(40)のどの部分が、前記参照信号シーケンス(40)のオーバレイ部分(44)と称される前記無線通信デバイス(12)のスケジュール済帯域幅(36)にオーバレイするのかを判定し、
前記参照信号シーケンス(40)の前記オーバレイ部分(44)に含まれる1つまたは複数のシーケンスエレメント(42)を送信するように設定された処理回路構成(74)とを備え、
前記スケジュール済帯域幅(36)は、前記ネットワーク(16)に関連付けられた、より大きなシステム帯域幅(30)の一部であり、前記参照信号シーケンス(40)は、前記参照信号シーケンス(40)を構成するそれぞれのシーケンスエレメント(42)と、前記システム帯域幅(30)を構成するそれぞれの副搬送波(32)との間のマッピングにしたがって、前記システム帯域幅(30)にオーバレイする、無線通信デバイス(12)。
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US (3) | US10680854B2 (ja) |
EP (3) | EP3472964B1 (ja) |
JP (2) | JP7117308B2 (ja) |
CN (2) | CN110168992B (ja) |
CA (1) | CA3048988C (ja) |
CO (1) | CO2019007121A2 (ja) |
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