JP2006094005A - マルチバンド移動通信システムおよび送信機 - Google Patents
マルチバンド移動通信システムおよび送信機 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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- Quality & Reliability (AREA)
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Abstract
【解決手段】 送信機は、任意のユーザにとって利用可能な複数の周波数帯の中から、ユーザの要求QoSに応じた周波数帯を選択し割り当てる周波数帯割当部と、割り当てられた周波数帯に基づいて、送信処理に必要な送信パラメータを決定する送信パラメータ決定部と、複数のユーザのために、前記ユーザごとに割り当てられた周波数帯を考慮して、送信スケジューリングを決定するマルチユーザスケジューリング制御部とを備える。
【選択図】図4
Description
(a)任意のユーザにとって利用可能な複数の周波数帯の中から、当該ユーザの要求QoSに応じた周波数帯を選択し割り当てる周波数帯割当部と、
(b)前記割り当てられた周波数帯に基づいて、送信処理に必要な送信パラメータを決定する送信パラメータ決定部と、
(c)複数のユーザのために、前記ユーザごとに割り当てられた周波数帯を考慮して、送信スケジューリングを決定するマルチユーザスケジューリング制御部と
を備える。
101 アプリケーション実行装置
102 送信装置
103 ベースバンド信号処理部
104 マルチバンドRF部
105 制御部
106 周波数・送信電力割当部(周波数帯割当部)
107 電波環境認知部
108 ユーザ要求QoS判定部
109 電波瞬時変動測定部
110 マルチユーザスケジューリング制御部
111 送信パラメータ決定部
112 電波利用データベース(DB)
113 ユーザデータベース(DB)
Claims (10)
- 任意のユーザにとって利用可能な複数の周波数帯の中から、当該ユーザの要求QoSに応じた周波数帯を選択し割り当てる周波数帯割当部と、
前記割り当てられた周波数帯に基づいて、送信処理に必要な送信パラメータを決定する送信パラメータ決定部と、
複数のユーザのために、前記ユーザごとに割り当てられた周波数帯を考慮して、送信スケジューリングを決定するマルチユーザスケジューリング制御部と、
を備える送信機。 - 前記周波数割当部は、ユーザの要求QoSを満たす周波数帯がない場合に、1のユーザに対して、複数の異なる周波数帯にわたって周波数帯を割り当て、
前記送信パラメータ決定部は、割り当てられた複数の周波数帯の間隔に応じて、送信パラメータを決定することを特徴とする請求項1に記載の送信機。 - 前記送信パラメータ決定部は、前記割り当てられた複数の周波数帯の間隔が所定の間隔よりも広い場合は、周波数帯ごとに最適な送信パラメータを制御し、前記割り当てられた複数の周波数帯の間隔が所定の間隔よりも狭い場合は、一括して送信パラメータを制御することを特徴とする請求項2に記載の送信機。
- 前記送信パラメータはインターリーブサイズを含み、
前記送信パラメータ決定部は、前記割り当てられた複数の周波数帯の間隔が所定の間隔よりも広い場合は、インターリーブサイズを小さく設定し、前記割り当てられた周波数帯の間隔が所定の間隔よりも狭い場合は、インターリーブサイズを大きく設定することを特徴とする請求項2に記載の送信機。 - 前記周波数割当部は、ユーザの要求QoSを満たす周波数帯がない場合に、1のユーザに対して、複数の異なる周波数帯にわたって周波数帯を割り当て、
前記マルチユーザスケジューリング制御部は、割り当てられた複数の周波数帯の間隔に応じて、複数のユーザの送信スケジューリングを行うことを特徴とする請求項1に記載の送信機。 - 前記決定された送信パラメータおよび送信スケジューリングに基づいて、ユーザデータの処理および複数ユーザのための送信スケジューリングを行って、処理済みのデータを出力する信号処理部と、
前記処理済みのデータを、割り当てられた周波数帯の無線周波数信号に変換し、送信スケジューリングにしたがって送信するマルチバンドRF部と
をさらに備えることを特徴とする請求項1に記載の送信機。 - 前記信号処理部は、適応符号化・変調処理を行い、
前記送信パラメータ決定部は、前記周波数割当部により1のユーザに対して複数の異なる周波数帯が割り当てられたときに、前記割り当てられた複数の周波数帯の間隔が所定の間隔よりも広い場合は、それぞれの周波数帯に適した適応符号化・変調パラメータを設定し、前記割り当てられた複数の周波数帯の間隔が所定の間隔よりも狭い場合は、一括して適応符号化・変調パラメータを設定することを特徴とする請求項6に記載の送信機。 - 前記マルチバンドRF部は、前記複数の周波数帯の各々に応じたRFデバイス
を備え、前記信号処理部で指定された周波数帯に応じて、前記RFデバイスを切り換えることを特徴とする請求項6に記載の送信機。 - 前記マルチバンドRF部は、単一のRFデバイスを用い、ソフトウエアの変更によって、前記複数の周波数帯での送信を行うことを特徴とする請求項6に記載の送信機。
- 複数の異なる周波数帯が利用可能な通信システムにおいて、移動局と基地局の少なくとも一方が、前記複数の異なる周波数帯の割り当て制御が可能な送信機を備え、
前記送信機は、任意のユーザにとって利用可能な複数の周波数帯の中から、ユーザの要求QoSに応じた周波数帯を選択し割り当てる周波数帯割当部と、
前記割り当てられた周波数帯に基づいて、送信処理に必要な送信パラメータを決定する送信パラメータ決定部と、
複数のユーザのために、前記ユーザごとに割り当てられた周波数帯を考慮して、送信スケジューリングを決定するマルチユーザスケジューリング制御部と、
を備えることを特徴とするマルチバンド移動通信システム。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004275588A JP4447416B2 (ja) | 2004-09-22 | 2004-09-22 | マルチバンド移動通信システムおよび送信機 |
| US11/232,009 US7502341B2 (en) | 2004-09-22 | 2005-09-22 | Multiband mobile communication system and transmitter used therein |
| CN2005101049764A CN1753343B (zh) | 2004-09-22 | 2005-09-22 | 多频带移动通信系统和发送机 |
| DE602005006691T DE602005006691D1 (de) | 2004-09-22 | 2005-09-22 | Mehrbandmobilfunkkommunikationssystem und Sender dafür |
| EP05255881A EP1641308B1 (en) | 2004-09-22 | 2005-09-22 | Multiband mobile communication system and transmitter used therein |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2004275588A JP4447416B2 (ja) | 2004-09-22 | 2004-09-22 | マルチバンド移動通信システムおよび送信機 |
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| Publication Number | Publication Date |
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| JP2006094005A true JP2006094005A (ja) | 2006-04-06 |
| JP4447416B2 JP4447416B2 (ja) | 2010-04-07 |
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| JP2004275588A Expired - Fee Related JP4447416B2 (ja) | 2004-09-22 | 2004-09-22 | マルチバンド移動通信システムおよび送信機 |
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|---|---|
| US (1) | US7502341B2 (ja) |
| EP (1) | EP1641308B1 (ja) |
| JP (1) | JP4447416B2 (ja) |
| CN (1) | CN1753343B (ja) |
| DE (1) | DE602005006691D1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE602005006691D1 (de) | 2008-06-26 |
| CN1753343B (zh) | 2010-08-25 |
| CN1753343A (zh) | 2006-03-29 |
| US7502341B2 (en) | 2009-03-10 |
| US20060063543A1 (en) | 2006-03-23 |
| EP1641308B1 (en) | 2008-05-14 |
| EP1641308A1 (en) | 2006-03-29 |
| JP4447416B2 (ja) | 2010-04-07 |
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