JP5213279B2 - コンピューティングデバイスおよび装置 - Google Patents
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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
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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
- H04L1/1607—Details of the supervisory signal
- H04L1/1614—Details of the supervisory signal using bitmaps
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- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
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- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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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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- 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
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Information Transfer Between Computers (AREA)
Description
Claims (19)
- 2つ以上の隣接する基地局についての制御チャネルエラー情報を受信して、所定の制御チャネル品質を達成するべく、基地局それぞれに対する相対的な制御チャネルリソースの必要量を特定し、
前記所定の制御チャネル品質を達成するべく、特定された前記制御チャネルリソースを、前記2つ以上の各基地局の制御チャネルに割り当てるプロセッサを備え、
前記相対的な制御チャネルリソースの必要量は全制御チャネル要素利用率の情報の一部を含み、
より干渉が大きい制御チャネルの基地局に、より多くの制御チャネルリソースが割り当てられ、より干渉が少ない制御チャネルの基地局には、より小さな制御チャネルリソースが割り当てられ、それぞれの基地局の制御チャネルのエラー情報と予め設定された制御チャネル品質に基づいて制御チャネルリソースの総量が決定されるコンピューティングデバイス。 - 前記2つ以上の基地局は、マクロeNodeB基地局及び低電力eNodeB基地局を含む請求項1に記載のコンピューティングデバイス。
- 前記マクロeNodeB基地局及び前記低電力eNodeB基地局は、互いに接続され、X2インターフェースを介して、制御チャネルデータを伝送し、
少なくとも1つの基地局から、X2インターフェースを介して制御チャネルのエラー情報が受信され、
少なくとも1つの基地局への制御チャネルの資源割り当てを示すために、X2インターフェースを介してインジケータが供給される請求項2に記載のコンピューティングデバイス。 - 前記制御チャネルリソースは、制御チャネル要素(CCE)を含む請求項1から3のいずれか一項に記載のコンピューティングデバイス。
- 前記プロセッサは、ユーザー機器接続に対するブロック誤り率を特定し、制御チャネル品質を特定する請求項1に記載のコンピューティングデバイス。
- 前記プロセッサは、制御チャネル品質と前記ブロック誤り率との間の既知の関係を評価することにより、前記所定の制御チャネル品質を達成するために、制御チャネル要素利用率を決定する請求項5に記載のコンピューティングデバイス。
- 前記制御チャネルリソースの割り当ては、前記2つ以上の基地局の間で、X2インターフェースを介して、伝達される請求項1に記載のコンピューティングデバイス。
- 制御チャネル要素利用率が、前記2つ以上の基地局の間で伝達される請求項1に記載のコンピューティングデバイス。
- 前記2つ以上の基地局間でX2インターフェースを介して交換されるPDCCHオーバーロードインジケータとして、1以上のビットが使用される請求項8に記載のコンピューティングデバイス。
- 隣接するLTE基地局を有するアクティブなLTE基地局と無線接続される携帯無線デバイスを備え、
前記携帯無線デバイスは、前記アクティブなLTE基地局から制御チャネル情報を受信し、
前記アクティブなLTE基地局及び前記隣接するLTE基地局は、互いに制御チャネルパラメータを伝送して、所定の制御チャネル品質を達成するべく、それぞれのLTE基地局に対する相対的な制御チャネルリソースの必要量を特定し、前記LTE基地局に対する前記所定の制御チャネル品質を達成するべく、制御チャネルリソースを割り当て、
前記相対的な制御チャネルリソースの必要量は全制御チャネル利用率の情報の一部を含み、
より干渉が大きい制御チャネルのLTE基地局に、より多くの制御チャネルリソースが割り当てられ、より干渉が少ない制御チャネルのLTE基地局には、より小さな制御チャネルリソースが割り当てられ、それぞれのLTE基地局の制御チャネルのエラー情報と予め設定された制御チャネル品質に基づいて制御チャネルリソースの総量が決定される装置。 - 前記LTE基地局は、マクロeNodeB基地局及び低電力eNodeB基地局を含む請求項10に記載の装置。
- 前記マクロeNodeB基地局及び前記低電力eNodeB基地局は、互いに接続され、X2インターフェースを介して制御チャネルデータを伝送する請求項11に記載の装置。
- 前記制御チャネルリソースは、制御チャネル要素(CCE)を含む請求項10から12のいずれか一項に記載の装置。
- 制御チャネル品質を特定するべく、ブロック誤り率が特定される請求項11に記載の装置。
- 制御チャネル品質と前記ブロック誤り率との間の既知の関係を評価することにより、前記所定の制御チャネル品質を達成する請求項14に記載の装置。
- 前記制御チャネルリソースの割り当ては、前記LTE基地局の間で、X2インターフェースを介して伝達される請求項11に記載の装置。
- 制御チャネル要素利用率が、前記LTE基地局の間で伝達される請求項11に記載の装置。
- 前記制御チャネル要素利用率を含み、前記LTE基地局間でX2インターフェースを介して交換されるPDCCHオーバーロードインジケータとして、1以上のビットが使用される請求項17に記載の装置。
- 前記アクティブなLTE基地局と前記隣接する基地局との間で、時間ドメインでリソースが割り当てられる請求項10に記載の装置。
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US33083710P | 2010-05-03 | 2010-05-03 | |
US61/330,837 | 2010-05-03 | ||
US12/971,701 | 2010-12-17 | ||
US12/971,701 US8781490B2 (en) | 2010-05-03 | 2010-12-17 | Control channel interference mitigation |
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JP2011244435A JP2011244435A (ja) | 2011-12-01 |
JP5213279B2 true JP5213279B2 (ja) | 2013-06-19 |
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JP2013509075A Expired - Fee Related JP5787984B2 (ja) | 2010-05-03 | 2011-04-05 | 無線ネットワークを使用して送信する信号をフォーマットする技術 |
JP2011088896A Active JP5317367B2 (ja) | 2010-05-03 | 2011-04-13 | キャリアアグリゲーションにおける複数のコンポーネントキャリアを設定する方法及びシステム |
JP2011088841A Expired - Fee Related JP5213279B2 (ja) | 2010-05-03 | 2011-04-13 | コンピューティングデバイスおよび装置 |
JP2013142951A Active JP5688125B2 (ja) | 2010-05-03 | 2013-07-08 | キャリアアグリゲーションにおける複数のコンポーネントキャリアを設定する方法及びシステム |
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JP2011088896A Active JP5317367B2 (ja) | 2010-05-03 | 2011-04-13 | キャリアアグリゲーションにおける複数のコンポーネントキャリアを設定する方法及びシステム |
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US (15) | US20110267948A1 (ja) |
EP (3) | EP2567483A4 (ja) |
JP (4) | JP5787984B2 (ja) |
KR (2) | KR101480598B1 (ja) |
CN (6) | CN102859916B (ja) |
WO (2) | WO2011139458A2 (ja) |
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WO2006105010A1 (en) | 2005-03-25 | 2006-10-05 | Neocific, Inc. | Methods and apparatus for cellular broadcasting and communication system |
WO2006135710A2 (en) | 2005-06-09 | 2006-12-21 | Neocific, Inc. | Methods and apparatus for power efficient broadcasting and communication systems |
US9344259B2 (en) | 2007-06-20 | 2016-05-17 | Google Technology Holdings LLC | Control channel provisioning and signaling |
US8355396B1 (en) * | 2007-11-01 | 2013-01-15 | Sprint Communications Company L.P. | Customized network congestion messaging for terminal adapters |
US8934417B2 (en) * | 2009-03-16 | 2015-01-13 | Google Technology Holdings LLC | Resource allocation in wireless communication systems |
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2010
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- 2010-12-22 US US12/976,217 patent/US8532030B2/en active Active
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