JP2007036627A5 - - Google Patents
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伝搬路状況の周波数変動または時間変動の少なくとも一方を示す伝搬路変動推定値を入力し、伝搬路変動推定値に基づいて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するグループ化選択部を備えることを特徴とする制御情報グループ化制御装置。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A device,
A channel fluctuation estimation value indicating at least one of frequency fluctuation or time fluctuation of the channel condition is input, and one or more slots in the frequency direction and one or more slots in the time direction are arranged based on the channel fluctuation estimation value. A control information grouping control apparatus comprising: a grouping selection unit that selects a grouping method for grouping a plurality of slots into a configured control information notification unit.
伝搬路状況を示す伝搬路情報を入力し、前記伝搬路情報に基づいて、伝搬路状況の周波数変動または時間変動の少なくとも一方を示す伝搬路変動推定値を推定する伝搬路変動推定部と、
前記伝搬路変動推定値に基づいて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するグループ化選択部と、を備えることを特徴とする制御情報グループ化制御装置。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A device,
A propagation path fluctuation estimation unit that inputs propagation path information indicating a propagation path situation and estimates a propagation path fluctuation estimation value that indicates at least one of frequency fluctuation or time fluctuation of the propagation path situation based on the propagation path information;
Based on the propagation path fluctuation estimation value, a grouping method for grouping a plurality of slots into a control information notification unit configured by an array of one or more slots in the frequency direction and one or more slots in the time direction is selected. A control information grouping control device comprising: a grouping selection unit;
受信機の移動速度を示す移動速度情報を入力し、前記移動速度の大きさに基づいて、少なくとも伝搬路状況の時間変動を示す伝搬路変動推定値を推定する伝搬路変動推定部と、
前記伝搬路変動推定値に基づいて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するグループ化選択部と、を備えることを特徴とする制御情報グループ化制御装置。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A device,
A propagation path fluctuation estimation unit that inputs movement speed information indicating a movement speed of the receiver and estimates a propagation path fluctuation estimation value that indicates at least a temporal fluctuation of the propagation path condition based on the magnitude of the movement speed;
Based on the propagation path fluctuation estimation value, a grouping method for grouping a plurality of slots into a control information notification unit configured by an array of one or more slots in the frequency direction and one or more slots in the time direction is selected. A control information grouping control device comprising: a grouping selection unit;
過去の伝搬路状況を示す制御情報を記憶する制御情報記憶部と、
現在の伝搬路状況を示す制御情報を入力し、前記過去の制御情報と前記現在の制御情報とを用いて、少なくとも伝搬路状況の時間変動を示す伝搬路変動推定値を推定する伝搬路変動推定部と、
前記伝搬路変動推定値を用いて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するグループ化選択部と、備えることを特徴とする制御情報グループ化制御装置。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A device,
A control information storage unit for storing control information indicating past propagation path conditions;
Inputs control information indicating the current channel condition, and uses the past control information and the current control information to estimate at least a channel fluctuation estimated value indicating a time fluctuation of the channel condition. And
Using the propagation path fluctuation estimation value, a grouping method for grouping a plurality of slots into a control information notification unit configured by an array of one or more slots in the frequency direction and one or more slots in the time direction is selected. A control information grouping control device comprising a grouping selection unit.
前記制御情報通知単位へ複数のスロットをグループ化するグループ化方式と、複数のスロット毎の伝搬路情報とを入力し、前記スロット毎の伝搬路情報を用いて、前記制御情報通知単位毎の伝搬路状況を示す制御情報を生成する制御情報生成部と、
前記制御情報生成部へ、生成した制御情報を送信するタイミングを指示する制御情報送信制御部と、を備えることを特徴とする制御情報通知制御装置。 A control defined for each control information notification unit configured by an array of one or more slots in the frequency direction and one or more slots in the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A control information notification control device for controlling transmission of information,
A grouping method for grouping a plurality of slots into the control information notification unit and propagation path information for each of the plurality of slots are input, and propagation for each control information notification unit is performed using the propagation path information for each slot. A control information generator for generating control information indicating a road condition;
A control information notification control apparatus comprising: a control information transmission control unit that instructs a timing for transmitting the generated control information to the control information generation unit.
前記制御情報送信制御部は、前記分割した制御情報それぞれについて送信するタイミングを指示することを特徴とする請求項７記載の制御情報通知制御装置。 The control information generation unit divides the control information by the number of slots in a time direction constituting a control information notification unit,
8. The control information notification control apparatus according to claim 7, wherein the control information transmission control unit instructs transmission timing for each of the divided control information.
前記制御情報送信制御部は、前記複合制御情報を送信するタイミングを指示することを特徴とする請求項７または請求項８に記載の制御情報通知制御装置。 The control information generation unit divides the control information for each of the plurality of control information notification units into a plurality, generates composite control information that combines the control information divided for the plurality of control information notification units,
9. The control information notification control apparatus according to claim 7, wherein the control information transmission control unit instructs a timing for transmitting the composite control information.
前記制御情報グループ化制御装置で選択したグループ化方式を含む制御情報を生成する制御情報生成部と、
前記制御情報を送信する送信部と、を備えることを特徴とする無線機。 A control information grouping control device according to any one of claims 1 to 6;
A control information generating unit that generates control information including the grouping method selected by the control information grouping control device ;
And a transmitter that transmits the control information.
一つあるいは複数のスロット毎の伝搬路状況を推定し、一つあるいは複数のスロット毎の伝搬路状況を示す伝搬路情報を出力する伝搬路推定部と、
受信した制御情報に含まれるグループ化方式と、前記伝搬路推定部が出力した伝搬路情報とを入力する請求項７から請求項１２のいずれかに記載の制御情報通知制御装置と、
前記制御情報通知制御装置の制御情報生成部が生成した制御情報を、前記制御情報通知制御装置の制御情報送信制御部が指示するタイミングで送信する送信部と、を備えることを特徴とする無線機。 A receiver for receiving control information including a grouping method;
A propagation path estimation unit that estimates propagation path conditions for each slot or slots and outputs propagation path information indicating the propagation path conditions for each slot or slots;
The control information notification control device according to any one of claims 7 to 12, wherein a grouping method included in the received control information and the propagation path information output by the propagation path estimation unit are input,
And a transmitter that transmits the control information generated by the control information generator of the control information notification controller at a timing indicated by the control information transmission controller of the control information notification controller. .
一つあるいは複数のスロット毎の伝搬路状況を推定し、一つあるいは複数のスロット毎の伝搬路状況を示す伝搬路情報を出力する伝搬路推定部と、
前記制御情報グループ化制御装置が選択したグループ化方式と、前記伝搬路推定部が出力した伝搬路情報とを入力する請求項７から請求項１２のいずれかに記載の制御情報通知制御装置と、
前記制御情報通知制御装置の制御情報生成部が生成した制御情報を、前記制御情報通知制御装置の制御情報送信制御部が指示するタイミングで送信する送信部と、を備え、
前記制御情報通知制御装置の制御情報生成部は、グループ化方式と制御情報通知単位毎の伝搬路情報を含む制御情報を生成することを特徴とする無線機。 A control information grouping control device according to any one of claims 1 to 6;
A propagation path estimation unit that estimates propagation path conditions for each slot or slots and outputs propagation path information indicating the propagation path conditions for each slot or slots;
The control information notification control apparatus according to any one of claims 7 to 12, wherein the grouping method selected by the control information grouping control apparatus and the propagation path information output by the propagation path estimation unit are input.
A transmission unit that transmits the control information generated by the control information generation unit of the control information notification control device at a timing instructed by the control information transmission control unit of the control information notification control device,
The control information generation unit of the control information notification control device generates control information including propagation path information for each grouping method and control information notification unit.
第一無線機は、
請求項１から請求項６のいずれかに記載の制御情報グループ化制御装置と、
前記制御情報グループ化制御装置が選択したグループ化方式を示す伝搬路情報を制御情報として生成する制御情報生成部と、
前記制御情報および第二無線機を送信先とするデータ信号を送信する送信部と、を備え
第二無線機は、
前記第一無線機から制御情報を受信する受信部と、
一つあるいは複数のスロット毎の伝搬路状況を推定し、一つあるいは複数のスロット毎の伝搬路状況を示す伝搬路情報を出力する伝搬路推定部と、
受信した制御情報に含まれるグループ化方式と、前記伝搬路推定部が出力した伝搬路情報とを入力する請求項７から請求項１２のいずれかに記載の制御情報通知制御装置と、
前記制御情報通知制御装置の制御情報生成部が生成した制御情報を、前記制御情報通知制御装置の制御情報送信制御部が指示するタイミングで送信する送信部と、を備え、
前記第一無線機は、第二無線機から通知された前記制御情報通知単位毎の伝搬路情報を含む制御情報に基づいて、第二無線機を送信先とするデータ信号を変調および符号化することを特徴とするマルチキャリア無線通信システム。 A slot defined by a certain time length and a certain frequency band is set as a minimum control information notification unit, and control information notification units of a plurality of slots arranged two-dimensionally in the frequency direction and the time direction are set as the first radio and the second A multi-carrier wireless communication system that controls a wireless device,
The first radio
A control information grouping control device according to any one of claims 1 to 6;
A control information generating unit that generates, as control information, propagation path information indicating the grouping method selected by the control information grouping control device ;
A transmission unit that transmits the control information and a data signal to which the second wireless device is a transmission destination.
A receiving unit for receiving control information from the first wireless device;
A propagation path estimation unit that estimates propagation path conditions for each slot or slots and outputs propagation path information indicating the propagation path conditions for each slot or slots;
The control information notification control device according to any one of claims 7 to 12, wherein a grouping method included in the received control information and the propagation path information output by the propagation path estimation unit are input,
A transmission unit that transmits the control information generated by the control information generation unit of the control information notification control device at a timing instructed by the control information transmission control unit of the control information notification control device,
The first radio modulates and encodes a data signal having the second radio as a transmission destination based on control information including propagation path information for each control information notification unit notified from the second radio A multi-carrier wireless communication system.
第一無線機は、
グループ化方式を含む制御情報を受信する受信部と、
第二無線機を送信先とするデータ信号を送信する送信部と、を備え
第二無線機は、
請求項１から請求項６のいずれかに記載の制御情報グループ化制御装置と、
一つあるいは複数のスロット毎の伝搬路状況を推定し、一つあるいは複数のスロット毎の伝搬路状況を示す伝搬路情報を出力する伝搬路推定部と、
前記制御情報グループ化制御装置が選択したグループ化方式と、前記伝搬路推定部が出力した伝搬路情報とを入力する請求項７から請求項１２のいずれかに記載の制御情報通知制御装置と、
制御情報通知単位毎の伝搬路情報を含む制御情報を送信する送信部と、を備え、
前記第一無線機は、第二無線機から通知された前記制御情報通知単位毎の伝搬路情報を含む制御情報に基づいて、第二無線機を送信先とするデータ信号を変調および符号化することを特徴とするマルチキャリア無線通信システム。 A slot defined by a certain time length and a certain frequency band is set as a minimum control information notification unit, and control information notification units of a plurality of slots arranged two-dimensionally in the frequency direction and the time direction are set as the first radio and the second A multi-carrier wireless communication system that controls a wireless device,
The first radio
A receiver for receiving control information including a grouping method;
A transmission unit that transmits a data signal with the second wireless device as a transmission destination.
A control information grouping control device according to any one of claims 1 to 6;
A propagation path estimation unit that estimates propagation path conditions for each slot or slots and outputs propagation path information indicating the propagation path conditions for each slot or slots;
The control information notification control apparatus according to any one of claims 7 to 12, wherein the grouping method selected by the control information grouping control apparatus and the propagation path information output by the propagation path estimation unit are input.
A transmission unit for transmitting control information including propagation path information for each control information notification unit,
The first radio modulates and encodes a data signal having the second radio as a transmission destination based on control information including propagation path information for each control information notification unit notified from the second radio A multi-carrier wireless communication system.
伝搬路状況の周波数変動または時間変動の少なくとも一方を示す伝搬路変動推定値を入力し、前記伝搬路変動推定値に基づいて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するステップを備えることを特徴とする制御情報グループ化制御方法。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A method,
A channel fluctuation estimation value indicating at least one of frequency fluctuation or time fluctuation of the channel condition is input, and an arrangement of one or more slots in the frequency direction and one or more slots in the time direction based on the propagation path fluctuation estimation value A control information grouping control method comprising a step of selecting a grouping method for grouping a plurality of slots into a control information notification unit comprising:
伝搬路状況を示す伝搬路情報に基づいて、伝搬路状況の周波数変動または時間変動の少なくとも一方を示す伝搬路変動推定値を推定するステップと、
前記伝搬路変動推定値に基づいて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するステップと、を備えることを特徴とする制御情報グループ化制御方法。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A method,
Estimating a channel fluctuation estimated value indicating at least one of a frequency fluctuation or a time fluctuation of the channel condition based on the channel information indicating the channel condition;
Based on the propagation path fluctuation estimation value, a grouping method for grouping a plurality of slots into a control information notification unit configured by an array of one or more slots in the frequency direction and one or more slots in the time direction is selected. And a control information grouping control method.
受信機の移動速度を示す移動速度情報に基づいて、少なくとも伝搬路状況の時間変動を示す伝搬路変動推定値を推定するステップと、
前記伝搬路変動推定値に基づいて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するステップと、を備えることを特徴とする制御情報グループ化制御方法。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A method,
Based on moving speed information indicating the moving speed of the receiver, estimating a propagation path fluctuation estimated value indicating at least time fluctuation of the propagation path situation; and
Based on the propagation path fluctuation estimation value, a grouping method for grouping a plurality of slots into a control information notification unit configured by an array of one or more slots in the frequency direction and one or more slots in the time direction is selected. And a control information grouping control method.
過去の伝搬路状況を示す制御情報を記憶するステップと、
前記過去の制御情報と現在の伝搬路状況を示す現在の制御情報とを用いて、少なくとも伝搬路状況の時間変動を示す伝搬路変動推定値を推定するステップと、
前記伝搬路変動推定値を用いて、周波数方向の一以上のスロットと時間方向の一以上のスロットの配列で構成される制御情報通知単位へ、複数のスロットをグループ化するグループ化方式を選択するステップと、備えることを特徴とする制御情報グループ化制御方法。 Control information grouping control for controlling the control information notification unit of a plurality of slots arranged in two dimensions in the frequency direction and the time direction, with a slot defined by a certain time length and a certain frequency band as a minimum control information notification unit A method,
Storing control information indicating past propagation path conditions;
Using the past control information and current control information indicating the current propagation path condition, estimating a propagation path fluctuation estimated value indicating at least a temporal fluctuation of the propagation path condition;
Using the propagation path fluctuation estimation value, a grouping method for grouping a plurality of slots into a control information notification unit configured by an array of one or more slots in the frequency direction and one or more slots in the time direction is selected. And a control information grouping control method comprising: steps.
前記制御情報通知単位毎の伝搬路状況を示す制御情報を生成する制御情報生成部を備えることを特徴とする制御情報通知制御装置。 A control information notification control apparatus comprising a control information generation unit that generates control information indicating a propagation path state for each control information notification unit.
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| JP3847733B2 (en) * | 2003-06-12 | 2006-11-22 | 松下電器産業株式会社 | Multi-carrier communication method and communication apparatus therefor |
| US20090060064A1 (en) * | 2005-04-04 | 2009-03-05 | Nec Corporation | OFDM Communication System, Method for Generating Feedback Information Thereof, and Communication Apparatus |
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2005
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