JP4875207B2 - 無線システムのリバース共通信号チャネルの伝送速度を決定する方法 - Google Patents
無線システムのリバース共通信号チャネルの伝送速度を決定する方法 Download PDFInfo
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- JP4875207B2 JP4875207B2 JP2011022485A JP2011022485A JP4875207B2 JP 4875207 B2 JP4875207 B2 JP 4875207B2 JP 2011022485 A JP2011022485 A JP 2011022485A JP 2011022485 A JP2011022485 A JP 2011022485A JP 4875207 B2 JP4875207 B2 JP 4875207B2
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- 230000005540 biological transmission Effects 0.000 title claims description 49
- 238000000034 method Methods 0.000 title claims description 17
- 230000003595 spectral effect Effects 0.000 claims description 32
- 239000000523 sample Substances 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 5
- 238000001739 density measurement Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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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
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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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
- H04L1/0021—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach in which the algorithm uses adaptive thresholds
-
- 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
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
- H04L1/0034—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter where the transmitter decides based on inferences, e.g. use of implicit signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Artificial Intelligence (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Mobile Radio Communication Systems (AREA)
Description
本発明は、添付の図面を参照して、非限定的な実施形態についての以下の説明を読むことから、よりよく理解できる。
103 POTSネットワーク
501 MSG長
503 電力関連
504 サポート速度
505 リバース・チャネル
605 再プローブ・オフセット
Claims (10)
- モバイル端末(104)が基地局(101)と通信する無線通信ネットワーク(100)における前記モバイル端末(104)で行われる方法であって、
少なくとも1つのチャネル関連メトリックを測定するステップであって、前記測定は、前記モバイル端末から前記基地局へリバース共通信号チャネル上でアクセス・プローブを送信することにより、前記ネットワークへアクセスしようと試みる前に発生する、ステップと、
前記測定された少なくとも1つのチャネル関連メトリックと、前記少なくとも1つのチャネル関連メトリックに関係する少なくとも1つの所定の閾値レベルとを比較するステップであって、前記少なくとも1つの所定の閾値レベルは、前記アクセス・プローブが送信される前に決定される、ステップと、
前記測定された少なくとも1つのチャネル関連メトリックと前記少なくとも1つの所定の閾値レベルとの比較に基づき、前記リバース共通信号チャネル上で使用される伝送速度を選択するステップであって、前記選択は、前記リバース共通信号チャネル上で前記基地局によりサポートされている複数の可能な伝送速度の内から行われる、ステップとを含むことを特徴とする方法。
- 前記チャネル関連メトリックは、前記モバイル端末によって測定されるパイロット信号強度であることを特徴とする請求項1に記載の方法。
- 前記チャネル関連メトリックは、前記モバイル端末により測定される電力スペクトル密度であることを特徴とする請求項1に記載の方法。
- 前記伝送速度は、前記モバイル端末により測定されるパイロット信号強度および電力スペクトル密度の両方の前記チャネル関連メトリックに基づいて選択されることを特徴とする請求項1に記載の方法。
- 前記チャネル関連メトリックは、パイロット信号強度および電力スペクトル密度の両方であり、前記伝送速度を決定するために、前記パイロット信号強度および電力スペクトル密度の測定は、それぞれ、少なくとも1つの関連するパイロット信号強度閾値レベルおよび少なくとも1つの関連する電力スペクトル密度閾値レベルと比較されることを特徴とする請求項1に記載の方法。
- モバイル端末(104)が基地局(101)と通信する無線通信ネットワーク(100)における前記基地局(101)で行われる方法であって、
リバース共通信号チャネル上で前記基地局によりサポートされる複数の伝送速度の中から前記リバース共通信号チャネル上における伝送速度を選択する際、前記モバイル端末により後に使用されるための、少なくとも1つのチャネル関連メトリックに関係する少なくとも1つの閾値レベルを送信するステップを含み、
前記送信は、前記モバイル端末が、前記リバース共通信号チャネル上でアクセス・プローブを送信することにより前記ネットワークへのアクセスを試みる前に発生し、
前記選択は、アクセス・プローブを送信することにより前記ネットワークへアクセスしようと試みる前に、前記モバイル端末により測定される少なくとも1つのチャネル関連メトリックと、前記少なくとも1つの閾値レベルとの比較から、前記モバイル端末によって行われることを特徴とする方法。
- 前記少なくとも1つの閾値レベルは、前記基地局により連続的にブロード・キャストされるオーバーヘッド・メッセージ中で送信されることを特徴とする請求項6に記載の方法。
- 前記チャネル関連メトリックはパイロット信号強度であり、前記パイロット信号強度は前記モバイル端末により測定され、前記関係する少なくとも1つの閾値レベルは少なくとも1つのパイロット信号強度閾値レベルであることを特徴とする請求項6に記載の方法。
- 前記チャネル関連メトリックは電力スペクトル密度であり、前記電力スペクトル密度は前記モバイル端末により測定され、前記関係する少なくとも1つの閾値レベルは少なくとも1つの電力スペクトル密度閾値レベルであることを特徴とする請求項6に記載の方法。
- 前記チャネル関連メトリックは、パイロット信号強度と電力スペクトル密度の両方であり、前記パイロット信号強度と電力スペクトル密度は、前記モバイル端末により測定され、前記関係する少なくとも1つの閾値レベルは、少なくとも1つのパイロット信号強度閾値レベルおよび少なくとも1つの電力スペクトル密度閾値レベルであることを特徴とする請求項6に記載の方法。
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US10/626393 | 2003-07-24 | ||
US10/626,393 US7171165B2 (en) | 2003-07-24 | 2003-07-24 | Method for determining a transmission rate on the reverse common signaling channel of a wireless system |
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JP2004215065A Division JP2005045811A (ja) | 2003-07-24 | 2004-07-23 | 無線システムのリバース共通信号チャネルの伝送速度を決定する方法 |
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JP2011022485A Expired - Fee Related JP4875207B2 (ja) | 2003-07-24 | 2011-02-04 | 無線システムのリバース共通信号チャネルの伝送速度を決定する方法 |
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EP (1) | EP1501231B1 (ja) |
JP (2) | JP2005045811A (ja) |
KR (1) | KR101097587B1 (ja) |
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- 2004-07-23 CN CN2004100586211A patent/CN1606257B/zh not_active Expired - Lifetime
- 2004-07-23 JP JP2004215065A patent/JP2005045811A/ja active Pending
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EP1501231A1 (en) | 2005-01-26 |
CN1606257B (zh) | 2011-04-13 |
CN1606257A (zh) | 2005-04-13 |
US7171165B2 (en) | 2007-01-30 |
JP2011101432A (ja) | 2011-05-19 |
EP1501231B1 (en) | 2017-11-22 |
US20050020213A1 (en) | 2005-01-27 |
KR101097587B1 (ko) | 2011-12-22 |
KR20050012156A (ko) | 2005-01-31 |
JP2005045811A (ja) | 2005-02-17 |
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