JP2007181207A - サブフレームによる同期多重化 - Google Patents
サブフレームによる同期多重化 Download PDFInfo
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- JP2007181207A JP2007181207A JP2006348805A JP2006348805A JP2007181207A JP 2007181207 A JP2007181207 A JP 2007181207A JP 2006348805 A JP2006348805 A JP 2006348805A JP 2006348805 A JP2006348805 A JP 2006348805A JP 2007181207 A JP2007181207 A JP 2007181207A
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- 238000004891 communication Methods 0.000 claims abstract description 148
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 14
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0605—Special codes used as synchronising signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
【解決手段】通信の方法130は、第1のノードから同期プリアンブルを有する通信信号を送信するステップ132と、第1のノードと少なくとも1つの第2のノードとの間の通信の同期をとるために、少なくとも1つの第2のノードの局部クロックを前記同期プリアンブルに従って設定するステップ132と、第1のノードと少なくとも1つの第2のノードとの間で、追加のプリアンブルもなく、特別なスイッチポイントが生じる(136)まで次に続くデータ通信を交換するステップ134と、特別なスイッチポイントが生じた後は、データ通信に続く減少した時間同期正確度の期間を利用する情報を交換するステップ138と、を含む。
【選択図】図1C
Description
102 通信ノード
110−1 通信信号
122 ノード
120 通信システム
132 信号
200 ノード
202 データ処理および制御回路
204 送信(Tx)/受信(Rx)回路
206 局部クロック
300 ノード
305 クロック同期回路
306 局部クロック
310 スケジュールタイマ
311 測定タイマ
312 遅延タイマ
314 CPU
316 Tx
318 Rx
320 送信(T)/受信(R)交換器
322 アンテナ
500 システム
Claims (4)
- 第1のノード(132)から同期プリアンブルを有する通信信号を送信するステップと、
前記第1のノードと少なくとも1つの第2のノードとの間の通信の同期をとる(132)ために、少なくとも1つの第2のノードの局部クロックを前記同期プリアンブルに従って設定するステップと、
前記第1のノードと少なくとも1つの第2のノードとの間で、追加のプリアンブルもなく、特別なスイッチポイントが生じる(136)まで次に続くデータ通信を交換する(134)ステップと、
前記特別なスイッチポイントが生じた(136)後は、データ通信に続く減少した時間同期正確度の期間を利用する情報を交換する(138)ステップと、
を含む通信(130)の方法。 - 残余時間同期期間中に生じる情報交換(138)を開始するため残余スイッチポイント(136)をノードに発行するステップと、
前記残余スイッチポイントに応答して各ノードのスケジュールタイマを開始する(602)ステップと、
受信されたスケジュールの選択スケジュールエントリおよび各ノードのスケジュールタイマに基づいて各ノードでアクティビティを実行する(604)ステップと、
を含む残余時間同期期間中のノード間通信の方法(130、600)。 - 通信ノードのクロック動作に適合される局部クロック(306)と、
通信信号を選択的に送信および受信するように適合される送信器/受信器回路(316、318、320)と、
前記局部クロックを別の通信ノードからの受信通信信号に同期させて、前記通信ノード間で通信を確立するように適合される同期回路(305)と、
前記送信器/受信器回路(316、318、320)および前記同期回路(305)を制御し、前記通信信号を処理し、ひとつの期間の間、前記局部クロック(306)を再同期化することなく前記通信ノード間の通信を行い、特別なスイッチポイントに応答して情報を交換するように適合されている制御回路(314)と、
を含む通信ノード(300)。 - 少なくとも2つの通信ノード(102、104)を含み、各通信ノードは、初期通信フレームにおいて受信された同期プリアンブル(502)に基づいて通信を確立するために局部クロック(306)を同期させ、さらに残余スイッチポイント(550)に基づいて通信サブフレームを受信および送信する、
通信システム(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/320,089 | 2005-12-28 | ||
US11/320,089 US7583654B2 (en) | 2005-12-28 | 2005-12-28 | Sub-frame synchronized multiplexing |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007181207A true JP2007181207A (ja) | 2007-07-12 |
JP2007181207A5 JP2007181207A5 (ja) | 2009-12-24 |
JP4869055B2 JP4869055B2 (ja) | 2012-02-01 |
Family
ID=37734565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006348805A Expired - Fee Related JP4869055B2 (ja) | 2005-12-28 | 2006-12-26 | サブフレームによる同期多重化 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7583654B2 (ja) |
JP (1) | JP4869055B2 (ja) |
KR (1) | KR101237747B1 (ja) |
GB (1) | GB2434060B (ja) |
Families Citing this family (10)
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US7286844B1 (en) * | 2003-01-31 | 2007-10-23 | Bbn Technologies Corp. | Systems and methods for three dimensional antenna selection and power control in an Ad-Hoc wireless network |
US8059629B1 (en) * | 2004-03-27 | 2011-11-15 | Dust Networks, Inc. | Digraph network timing synchronization |
US8145201B2 (en) | 2004-12-17 | 2012-03-27 | Raytheon Bbn Technologies Corp. | Methods and apparatus for reduced energy communication in an ad hoc network |
WO2008027294A2 (en) | 2006-08-25 | 2008-03-06 | Bbn Technologies Corp. | Systems and methods for synchronizing communication networks |
US8149716B2 (en) | 2007-08-20 | 2012-04-03 | Raytheon Bbn Technologies Corp. | Systems and methods for adaptive routing in mobile ad-hoc networks and disruption tolerant networks |
US8130680B1 (en) * | 2008-01-24 | 2012-03-06 | L-3 Communications, Corp. | Method for timing a pulsed communication system |
CA2717591C (en) * | 2008-02-19 | 2016-11-08 | Elbit Systems Of America, Llc | Mimo slotted aloha (msa) system |
US10353845B2 (en) * | 2015-02-12 | 2019-07-16 | Atmel Corporation | Adaptive speed single-wire communications |
EP3800849A1 (en) * | 2016-03-15 | 2021-04-07 | Sony Corporation | Frequency offset compensation in cellular communication systems |
JP7554709B2 (ja) * | 2021-05-28 | 2024-09-20 | ルネサスエレクトロニクス株式会社 | 無線通信装置および無線通信システム |
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2005
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-
2006
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- 2006-12-26 JP JP2006348805A patent/JP4869055B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
US20070147436A1 (en) | 2007-06-28 |
GB2434060A (en) | 2007-07-11 |
US7583654B2 (en) | 2009-09-01 |
GB0625473D0 (en) | 2007-01-31 |
KR101237747B1 (ko) | 2013-02-28 |
KR20070070120A (ko) | 2007-07-03 |
JP4869055B2 (ja) | 2012-02-01 |
GB2434060B (en) | 2011-01-12 |
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