JP5774169B2 - 無線lanシステムにおけるフレーム送信方法及び装置 - Google Patents
無線lanシステムにおけるフレーム送信方法及び装置 Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Description
例えば、本願発明は以下の項目を提供する。
(項目1)
無線LANシステムにおける送信ステーション(station)により実行されるフレーム送信方法において、
ターゲットステーションに送信するMPDU(MAC Protocol Data Unit)を生成し、
前記MPDUにPLCP(physical layer convergence procedure)ヘッダを加えてPPDUを生成し、及び
前記PPDUを前記ターゲットステーションに送信することを含み、
前記PLCPヘッダは、前記ターゲットステーションの部分(partial)AID(Association ID)を含む方法。
(項目2)
前記ターゲットステーションの前記部分AIDは、前記ターゲットステーションがAPと結合(association)過程で前記APから割当を受けたAID(Association ID)から得られる項目1に記載の方法。
(項目3)
前記AIDは、16ビット(bit)の長さを有し、前記部分AIDは、前記AIDの16ビットのうち低次(low order)の9ビットに設定される項目2に記載の方法。
(項目4)
前記部分AIDは、前記PLCPヘッダのVHTSIGフィールドに含まれ、前記VHT SIGフィールドは、前記ターゲットステーションが前記PPDUを受信して前記PPDUを復調し、デコーディングに必要な制御情報を含んでいるフィールドである項目1に記載の方法。
(項目5)
前記部分AIDは、前記送信ステーションと前記ターゲットステーションの各々がAPであるか或いは非AP(non AP)ステーションであるかを指示する情報を含む項目1に記載の方法。
(項目6)
無線LANシステムにおける送信ステーション(station)により実行されるフレーム送信方法において、
複数のターゲットステーションの各々に送信する複数のMPDU(MAC Protocol Data Unit)を生成し、
前記複数のMPDUにPLCP(physical layer convergence procedure)ヘッダを加えてPPDUを生成し、及び
前記PPDUを前記複数のターゲットステーションに同時に送信することを含み、
前記PLCPヘッダは、前記複数のターゲットステーションを指示するグループIDを含む方法。
(項目7)
前記グループIDは、前記PLCPヘッダのVHTSIGフィールドに含まれ、前記VHT SIGフィールドは、前記複数のターゲットステーションに共通に適用される制御情報を含んでいるフィールドである項目6に記載の方法。
(項目8)
無線LANシステムにおける動作するステーションにおいて、
前記ステーションは、
PPDUを送信又は受信する送受信機;及び、
前記送受信機と機能的に連結されたプロセッサ;を含み、
前記プロセッサは、ターゲットステーションに送信するMPDU(MAC Protocol Data Unit)を生成し、
前記MPDUにPLCP(physical layer convergence procedure)ヘッダを加えてPPDUを生成し、及び
前記PPDUを前記送受信機を介して前記ターゲットステーションに送信するように設定され、
前記PLCPヘッダは、前記ターゲットステーションの部分(partial)AID(Association ID)を含むステーション。
(項目9)
前記ターゲットステーションの前記部分AIDは、前記ターゲットステーションがAPと結合(association)過程で前記APから割当を受けたAID(Association ID)から得られることを特徴とする項目8に記載のステーション。
(項目10)
前記AIDは、16ビット(bit)の長さを有し、前記部分AIDは、前記AIDの16ビットのうち低次(loworder)の9ビットに設定されることを特徴とする項目9に記載のステーション。
(項目11)
前記部分AIDは、前記PLCPヘッダのVHTSIGフィールドに含まれ、前記VHT SIGフィールドは、前記ターゲットステーションが前記PPDUを受信して前記PPDUを復調し、デコーディングに必要な制御情報を含んでいるフィールドであることを特徴とする項目8に記載のステーション。
(項目12)
前記部分AIDは、前記送信ステーションと前記ターゲットステーションの各々がAPであるか或いは非AP(non AP)ステーションであるかを指示する情報を含むことを特徴とする項目8に記載のステーション。
Claims (8)
- モバイルステーションからアクセスポイントにデータを送信する方法であって、
前記方法は、
前記モバイルステーションにより、VHT−SIG(Very High Throughput Signal)フィールドとPSDU(Physical layer Service Data Unit)とを含むPPDU(Physical layer Protocol Data Unit)を生成することと、
前記モバイルステーションにより、前記PPDUを前記アクセスポイントに送信することと
を含み、
前記VHT−SIGフィールドは、分類類型および識別子フィールドを含み、
前記分類類型は、前記PPDUの送信類型がアップリンク送信であるかダウンリンク送信であるかを示し、
前記識別子フィールドは、前記PPDUの送信類型がアップリンク送信であることを前記分類類型が示すときに前記アクセスポイントを識別するBSSID(Basic Service Set Identifier)から形成される部分識別子を示し、
前記部分識別子は、前記BSSIDの長さよりも短い長さを有する、方法。 - 前記部分識別子の長さは9ビットであり、前記BSSIDの長さは48ビットである、請求項1に記載の方法。
- 前記9ビットは、前記48ビットのうちのLSB(Least Significant Bit)9ビットである、請求項2に記載の方法。
- 無線ローカルエリアネットワークシステムにおいて動作するように構成されたモバイルステーションであって、
前記モバイルステーションは、
PPDU(Physical layer Protocol Data Unit)を送信または受信するように構成されたトランシーバと、
前記トランシーバと機能的に連結されたプロセッサと
を含み、
前記プロセッサは、
VHT−SIG(Very High Throughput Signal)フィールドとPSDU(Physical layer Service Data Unit)とを含む前記PPDUを生成することと、
前記PPDUをアクセスポイントに送信することと
を実行するように構成され、
前記VHT−SIGフィールドは、分類類型および識別子フィールドを含み、
前記分類類型は、前記PPDUの送信類型がアップリンク送信であるかダウンリンク送信であるかを示し、
前記識別子フィールドは、前記PPDUの送信類型がアップリンク送信であることを前記分類類型が示すときに前記アクセスポイントを識別するBSSID(Basic Service Set Identifier)から形成される部分識別子を示し、
前記部分識別子は、前記BSSIDの長さよりも短い長さを有する、モバイルステーション。 - 前記部分識別子の長さは9ビットであり、前記BSSIDの長さは48ビットである、請求項4に記載のモバイルステーション。
- 前記9ビットは、前記48ビットのうちのLSB(Least Significant Bit)9ビットである、請求項5に記載のモバイルステーション。
- アクセスポイントによりデータを受信する方法であって、
前記方法は、
前記アクセスポイントによりモバイルステーションからPPDU(Physical layer Protocol Data Unit)を受信することを含み、
前記PPDUは、VHT−SIG(Very High Throughput Signal)フィールドとPSDU(Physical layer Service Data Unit)とを含み、
前記VHT−SIGフィールドは、分類類型および識別子フィールドを含み、
前記分類類型は、前記PPDUの送信類型がアップリンク送信であるかダウンリンク送信であるかを示し、
前記識別子フィールドは、前記PPDUの送信類型がアップリンク送信であることを前記分類類型が示すときに前記アクセスポイントを識別するBSSID(Basic Service Set Identifier)から形成される部分識別子を示し、
前記部分識別子は、前記BSSIDの長さよりも短い長さを有する、方法。 - 無線ローカルエリアネットワークシステムにおいて動作するように構成されたアクセスポイントであって、
前記アクセスポイントは、
PPDU(Physical layer Protocol Data Unit)を送信または受信するように構成されたトランシーバと、
前記トランシーバと機能的に連結されたプロセッサと
を含み、
前記プロセッサは、
モバイルステーションから前記PPDUを受信するように構成され、
前記PPDUは、VHT−SIG(Very High Throughput Signal)フィールドとPSDU(Physical layer Service Data Unit)とを含み、
前記VHT−SIGフィールドは、分類類型および識別子フィールドを含み、
前記分類類型は、前記PPDUの送信類型がアップリンク送信であるかダウンリンク送信であるかを示し、
前記識別子フィールドは、前記PPDUの送信類型がアップリンク送信であることを前記分類類型が示すときに前記アクセスポイントを識別するBSSID(Basic Service Set Identifier)から形成される部分識別子を示し、
前記部分識別子は、前記BSSIDの長さよりも短い長さを有する、アクセスポイント。
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US11356843B2 (en) | 2015-11-11 | 2022-06-07 | Sony Corporation | Communication device and communication method |
EP4391674A2 (en) | 2015-11-11 | 2024-06-26 | Sony Group Corporation | Communication device and communication method |
US10708961B2 (en) | 2015-12-22 | 2020-07-07 | Sony Corporation | Communication device and communication method |
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