JP2016519479A - シグナルフィールドを送信する方法及び装置 - Google Patents
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- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H04L27/20—Modulator circuits; Transmitter circuits
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- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
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Abstract
Description
Claims (10)
- 無線LANにおけるシグナルフィールドを送信する方法において、
第1のSTA(station)がシグナルフィールドを生成するステップ;及び、
前記第1のSTAが第1のOFDM(orthogonal frequency division multiplexing)シンボル、第2のOFDMシンボル及び第3のOFDMシンボルで前記シグナルフィールドを第2のSTAに送信するステップ;を含み、
前記第2のOFDMシンボルで使われる第2のコンスタレーション及び前記第3のOFDMシンボルで使われる第3のコンスタレーションのうち少なくとも一つは、前記第1のOFDMシンボルで使われる第1のコンスタレーションを基準に回転されるシグナルフィールド送信方法。 - 前記第1のSTAがL(legacy)−SIG(signal)を基準OFDMシンボルで送信するステップをさらに含み、
前記基準OFDMシンボルは、前記第1のOFDMシンボルに先行するシンボルであり、
前記第1のコンスタレーションは、前記基準OFDMシンボルで使われる基準コンスタレーションと同じコンスタレーションである請求項1に記載のシグナルフィールド送信方法。 - 前記第1のコンスタレーションは、BPSK(binary phase shift keying)コンスタレーションであり、
前記第2のコンスタレーション及び前記第3のコンスタレーションのうち一つは、QBPSK(quadrature binary phase shift keying)コンスタレーションであり、残りの一つは、前記BPSKコンスタレーションであり、
前記QBPSKコンスタレーションは、前記BPSKコンスタレーションを基準に反時計方向に90度回転される請求項1に記載のシグナルフィールド送信方法。 - 前記シグナルフィールドは、前記第2のSTAのグループ識別子と同じグループ識別子を有する複数のSTAに対するチャネル割当フィールドを含み、
前記チャネル割当フィールドは、特定時点で前記複数のSTAの各々のアップリンク送信のために割り当てられたチャネルに対する情報を含む請求項1に記載のシグナルフィールド送信方法。 - 前記シグナルフィールドは、前記第2のSTAのアップリンクMIMO(multiple input multiple output)のためのアップリンク時空間ストリームの個数に対する情報をさらに含む請求項4に記載のシグナルフィールド送信方法。
- 無線LANにおけるシグナルフィールドを送信するSTA(station)において、前記STAは、
無線信号を送信及び受信するために具現されたRF(radio frequency)部;及び、
前記RF部と選択的に連結されるプロセッサ;を含み、前記プロセッサは、
シグナルフィールドを生成し、第1のOFDM(orthogonal frequency division multiplexing)シンボル、第2のOFDMシンボル及び第3のOFDMシンボルで前記シグナルフィールドを受信STAに送信するように具現され、
前記第2のOFDMシンボルで使われる第2のコンスタレーション及び前記第3のOFDMシンボルで使われる第3のコンスタレーションのうち少なくとも一つは、前記第1のOFDMシンボルで使われる第1のコンスタレーションを基準に回転されるSTA。 - 前記プロセッサは、L(legacy)−SIG(signal)を基準OFDMシンボルで送信するように具現され、
前記基準OFDMシンボルは、前記第1のOFDMシンボルに先行するシンボルであり、
前記第1のコンスタレーションは、前記基準OFDMシンボルで使われる基準コンスタレーションと同じコンスタレーションである請求項6に記載のSTA。 - 前記第1のコンスタレーションは、BPSK(binary phase shift keying)コンスタレーションであり、
前記第2のコンスタレーション及び前記第3のコンスタレーションのうち一つは、QBPSK(quadrature binary phase shift keying)コンスタレーションであり、残りの一つは、前記BPSKコンスタレーションであり、
前記QBPSKコンスタレーションは、前記BPSKコンスタレーションを基準に反時計方向に90度回転される請求項6に記載のSTA。 - 前記シグナルフィールドは、前記受信STAのグループ識別子と同じグループ識別子を有する複数のSTAに対するチャネル割当フィールドを含み、
前記チャネル割当フィールドは、特定時点で前記複数のSTAの各々のアップリンク送信のために割り当てられたチャネルに対する情報を含む請求項6に記載のSTA。 - 前記シグナルフィールドは、前記受信STAのアップリンクMIMO(multiple input multiple output)のためのアップリンク時空間ストリームの個数に対する情報をさらに含む請求項9に記載のSTA。
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US201361813644P | 2013-04-19 | 2013-04-19 | |
US61/813,644 | 2013-04-19 | ||
US201361821732P | 2013-05-10 | 2013-05-10 | |
US61/821,732 | 2013-05-10 | ||
PCT/KR2014/003418 WO2014171788A1 (ko) | 2013-04-19 | 2014-04-18 | 시그널 필드를 송신하는 방법 및 장치 |
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CN (1) | CN105122754B (ja) |
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CA (1) | CA2908045C (ja) |
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EP2988462A4 (en) | 2017-01-25 |
PL2988462T3 (pl) | 2020-03-31 |
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AU2014254581A1 (en) | 2015-10-15 |
CA2908045C (en) | 2019-04-02 |
WO2014171788A1 (ko) | 2014-10-23 |
JP6180615B2 (ja) | 2017-08-16 |
CN105122754B (zh) | 2018-10-19 |
KR101759011B1 (ko) | 2017-07-17 |
CA2908045A1 (en) | 2014-10-23 |
AU2014254581B2 (en) | 2016-12-22 |
RU2015149306A (ru) | 2017-05-24 |
KR20160009529A (ko) | 2016-01-26 |
RU2622047C2 (ru) | 2017-06-09 |
US20160050093A1 (en) | 2016-02-18 |
US9935802B2 (en) | 2018-04-03 |
EP2988462A1 (en) | 2016-02-24 |
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