CA2427007A1 - Method and apparatus for determining a data rate in a high rate packet data wireless communications system - Google Patents
Method and apparatus for determining a data rate in a high rate packet data wireless communications system Download PDFInfo
- Publication number
- CA2427007A1 CA2427007A1 CA002427007A CA2427007A CA2427007A1 CA 2427007 A1 CA2427007 A1 CA 2427007A1 CA 002427007 A CA002427007 A CA 002427007A CA 2427007 A CA2427007 A CA 2427007A CA 2427007 A1 CA2427007 A1 CA 2427007A1
- Authority
- CA
- Canada
- Prior art keywords
- packet data
- wireless communication
- signal
- noise ratio
- indicator
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication 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
- H04L1/0002—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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
- H04L1/001—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding applied to control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
Abstract
In a wireless communication system (50) a method for combination transmissio n of packet data and low delay data. In one embodiment a parallel signaling channel provides a message to receivers (56, 58, 60) indicating a target recipient of packet data. The message also identifies the transmission chann el used for packet data transmissions. Each receiver may then selectively decod e only packets where the message identifies the receiver as a target recipient . The data packets stored in a buffer are ignored if the target recipient is another mobile unit. In one embodiment, the message is sent concurrently wit h the data packet on a parallel channel. In one embodiment, the message is punctured into the high rate packet data transmission.
Claims (13)
1. A wireless communication apparatus, comprising:
a first processor operative to receive a first indicator, the first indicator corresponding to available packet data transmission power; and a correlation unit operative to determine a packet data transmission rate indicator as a function of the first indicator and a received pilot signal strength.
a first processor operative to receive a first indicator, the first indicator corresponding to available packet data transmission power; and a correlation unit operative to determine a packet data transmission rate indicator as a function of the first indicator and a received pilot signal strength.
2. The wireless communication apparatus of claim 1, wherein the first indicator corresponds to a ratio of available packet data transmission power-to-pilot signal strength.
3. The wireless communication apparatus of claim 2, wherein the pilot signal strength is a measure of the signal-to-noise ratio of the pilot signal.
4. The wireless communication apparatus of claim 3, further comprising:
an adjustment node coupled to the first processor and the correlation unit, the adjustment node operative to adjust the signal-to-noise ratio of the pilot signal in response to the ratio to determine a signal-to-noise ratio for packet data transmissions.
an adjustment node coupled to the first processor and the correlation unit, the adjustment node operative to adjust the signal-to-noise ratio of the pilot signal in response to the ratio to determine a signal-to-noise ratio for packet data transmissions.
5. The wireless communication apparatus of claim 4, wherein the packet data transmission rate indicator is the signal-to-noise ratio for packet data transmissions.
6. The wireless communication apparatus of claim 1, wherein the apparatus is operative to transmit the packet data transmission rate indicator via a data request channel.
7. The wireless communication apparatus of claim 6, wherein the packet data transmission rate indicator is a data rate.
8. The wireless communication apparatus of claim 1, wherein the apparatus is operative within a wireless communication system supporting packet data transmissions and low delay data transmissions.
9. In a wireless communication system, the system operative for transmitting packet data and low delay data, the system having a total available transmit power, a method comprising:
establishing at least one low delay communication link using a first power;
determining available packet data traffic power as a function of the total available transmit power and the first power;
determining a packet data rate based on the available packet data traffic power.
establishing at least one low delay communication link using a first power;
determining available packet data traffic power as a function of the total available transmit power and the first power;
determining a packet data rate based on the available packet data traffic power.
10. The method of claim 9, wherein the at least one low delay communication is a voice communication.
11. The method of claim 9, wherein the first power is a signal-to-noise ratio of a pilot signal, and wherein the step of determining the available packet data traffic power, further comprises:
determining a traffic-to-pilot ratio of the total available transmit power to the first power.
determining a traffic-to-pilot ratio of the total available transmit power to the first power.
12. The method of claim 11, wherein the step of determining a packet data rate further comprises:
estimating a signal-to-noise ratio of the packet data traffic by adjusting the signal-to-noise ratio of the pilot according to the traffic-to-pilot ratio.
estimating a signal-to-noise ratio of the packet data traffic by adjusting the signal-to-noise ratio of the pilot according to the traffic-to-pilot ratio.
13. A wireless communication apparatus, comprising:
a first processor operative to receive a first indicator, the first indicator corresponding to a ratio of available traffic-to-pilot signal strength;
a measurement unit operative to receive a pilot signal and determine a pilot signal-to-noise ratio of a pilot signal;
a summation node coupled to the measurement unit and the first processor, the summation node operative to adjust the signal-to-noise ratio by the first indicator to form a traffic signal-to-noise ratio; and a correlation unit operative to receive the traffic signal-to-noise ratio and determine an associated data rate for transmission.
a first processor operative to receive a first indicator, the first indicator corresponding to a ratio of available traffic-to-pilot signal strength;
a measurement unit operative to receive a pilot signal and determine a pilot signal-to-noise ratio of a pilot signal;
a summation node coupled to the measurement unit and the first processor, the summation node operative to adjust the signal-to-noise ratio by the first indicator to form a traffic signal-to-noise ratio; and a correlation unit operative to receive the traffic signal-to-noise ratio and determine an associated data rate for transmission.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/697,372 US6973098B1 (en) | 2000-10-25 | 2000-10-25 | Method and apparatus for determining a data rate in a high rate packet data wireless communications system |
US09/697,372 | 2000-10-25 | ||
PCT/US2001/050895 WO2002047408A2 (en) | 2000-10-25 | 2001-10-24 | Method and apparatus for determining a data rate in a high rate packet data wireless communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2427007A1 true CA2427007A1 (en) | 2002-06-13 |
CA2427007C CA2427007C (en) | 2010-08-10 |
Family
ID=24800879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2427007A Expired - Lifetime CA2427007C (en) | 2000-10-25 | 2001-10-24 | Method and apparatus for determining a data rate in a high rate packet data wireless communications system |
Country Status (20)
Country | Link |
---|---|
US (2) | US6973098B1 (en) |
EP (6) | EP2259472B1 (en) |
JP (1) | JP4083578B2 (en) |
KR (2) | KR20030042477A (en) |
CN (1) | CN1493133B (en) |
AT (1) | ATE526745T1 (en) |
AU (2) | AU3973502A (en) |
BR (1) | BRPI0114862B1 (en) |
CA (1) | CA2427007C (en) |
DK (4) | DK2259472T3 (en) |
ES (5) | ES2407057T3 (en) |
HK (1) | HK1063547A1 (en) |
IL (2) | IL155535A0 (en) |
MX (1) | MXPA03003659A (en) |
NO (1) | NO20031826L (en) |
PT (4) | PT2259621E (en) |
RU (1) | RU2285342C2 (en) |
TW (1) | TW545017B (en) |
UA (1) | UA74213C2 (en) |
WO (1) | WO2002047408A2 (en) |
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- 2003-04-21 IL IL155535A patent/IL155535A/en active IP Right Grant
- 2003-04-24 NO NO20031826A patent/NO20031826L/en not_active Application Discontinuation
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2004
- 2004-08-23 HK HK04106281.1A patent/HK1063547A1/en not_active IP Right Cessation
-
2005
- 2005-06-24 US US11/165,882 patent/US9107109B2/en active Active
- 2005-06-24 ES ES10179610T patent/ES2433391T3/en not_active Expired - Lifetime
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2007
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9124344B2 (en) | 1997-11-03 | 2015-09-01 | Qualcomm Incorporated | Pilot reference transmission for a wireless communication system |
US8811200B2 (en) | 2009-09-22 | 2014-08-19 | Qualcomm Incorporated | Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems |
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