GB2445112B - Ultra wideband communications systems - Google Patents
Ultra wideband communications systemsInfo
- Publication number
- GB2445112B GB2445112B GB0801196A GB0801196A GB2445112B GB 2445112 B GB2445112 B GB 2445112B GB 0801196 A GB0801196 A GB 0801196A GB 0801196 A GB0801196 A GB 0801196A GB 2445112 B GB2445112 B GB 2445112B
- Authority
- GB
- United Kingdom
- Prior art keywords
- communications systems
- ultra wideband
- wideband communications
- ultra
- systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- 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
- H04L1/1692—Physical properties of the supervisory signal, e.g. acknowledgement by energy bursts
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- 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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Communication Control (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0818606A GB2450824B8 (en) | 2006-12-22 | 2006-12-22 | Ultra wideband communications systems |
GB0801196A GB2445112B (en) | 2006-12-22 | 2006-12-22 | Ultra wideband communications systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0625570A GB2445407B (en) | 2006-12-22 | 2006-12-22 | Ultra wideband communications systems |
GB0801196A GB2445112B (en) | 2006-12-22 | 2006-12-22 | Ultra wideband communications systems |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0801196D0 GB0801196D0 (en) | 2008-02-27 |
GB2445112A GB2445112A (en) | 2008-06-25 |
GB2445112B true GB2445112B (en) | 2009-02-04 |
Family
ID=39166206
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0818606A Expired - Fee Related GB2450824B8 (en) | 2006-12-22 | 2006-12-22 | Ultra wideband communications systems |
GB0801196A Expired - Fee Related GB2445112B (en) | 2006-12-22 | 2006-12-22 | Ultra wideband communications systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0818606A Expired - Fee Related GB2450824B8 (en) | 2006-12-22 | 2006-12-22 | Ultra wideband communications systems |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2450824B8 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030072273A1 (en) * | 2001-09-07 | 2003-04-17 | Aiello G. Roberto | System and method for transmitting data in Ultra Wide Band frequencies in a de-centralized system |
WO2004053114A1 (en) * | 2002-12-11 | 2004-06-24 | Qualcomm Incorporated | Radio link protocol sync procedure |
US20050147112A1 (en) * | 2003-01-09 | 2005-07-07 | Sony Corporation | Wireless communication system, wireless communication device and wireless communication method, and computer program |
US20070147385A1 (en) * | 2005-12-22 | 2007-06-28 | Druke Michael B | Synchronous data communication |
-
2006
- 2006-12-22 GB GB0818606A patent/GB2450824B8/en not_active Expired - Fee Related
- 2006-12-22 GB GB0801196A patent/GB2445112B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030072273A1 (en) * | 2001-09-07 | 2003-04-17 | Aiello G. Roberto | System and method for transmitting data in Ultra Wide Band frequencies in a de-centralized system |
WO2004053114A1 (en) * | 2002-12-11 | 2004-06-24 | Qualcomm Incorporated | Radio link protocol sync procedure |
US20050147112A1 (en) * | 2003-01-09 | 2005-07-07 | Sony Corporation | Wireless communication system, wireless communication device and wireless communication method, and computer program |
US20070147385A1 (en) * | 2005-12-22 | 2007-06-28 | Druke Michael B | Synchronous data communication |
Also Published As
Publication number | Publication date |
---|---|
GB2450824A (en) | 2009-01-07 |
GB2450824A8 (en) | 2011-06-29 |
GB2450824B (en) | 2009-06-03 |
GB2445112A (en) | 2008-06-25 |
GB2450824B8 (en) | 2011-06-29 |
GB0801196D0 (en) | 2008-02-27 |
GB0818606D0 (en) | 2008-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20120913 AND 20120919 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20120927 AND 20121003 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20171222 |