CN104539390B - A kind of method and a kind of WTRU and evolved node B of transmission higher-layer data stream - Google Patents
A kind of method and a kind of WTRU and evolved node B of transmission higher-layer data stream Download PDFInfo
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- CN104539390B CN104539390B CN201410777644.1A CN201410777644A CN104539390B CN 104539390 B CN104539390 B CN 104539390B CN 201410777644 A CN201410777644 A CN 201410777644A CN 104539390 B CN104539390 B CN 104539390B
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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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
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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
- H04L1/12—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
- H04L1/1867—Arrangements specially adapted for the transmitter end
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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
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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
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
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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
- H04L1/12—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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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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
- H04L1/12—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
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
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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
- H04L1/12—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
- H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
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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
- H04L1/12—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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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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
- H04L1/12—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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
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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
- H04L1/12—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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
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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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- Quality & Reliability (AREA)
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- Communication Control (AREA)
Abstract
The method and WTRU and a kind of evolved node B, this method of a kind of transmission higher-layer data stream include：The CQI of each set at least two set for uplink physical resource is sent, each set wherein in uplink physical resource is associated with different frequency；Receive two uplink physical resource distribution, wherein each uplink physical resource distribution includes MCS and t easet ofasubcarriers associated with different frequency, wherein the distribution of each uplink physical resource is associated from different H ARQ processing, and wherein each uplink physical resource distributes based on the CQI indicators and supports the QoS demand of the higher-layer data stream；The higher-layer data stream is multiplexed at least two TB, wherein each TB is associated from one of different H ARQ processing；And each of described TB is transmitted via from one of associated different H ARQ processing of each TB in the TTI.
Description
The application be the applying date be on December 27th, 2006, application No. is 200680049847.2, it is entitled that " selection to be passed
The divisional application of the application for a patent for invention of transport format and the method and apparatus for using transmitting multiple transport blocks simultaneously with multiple H-ARQ processes ".
Technical field
The present invention relates to wireless communication systems.More particularly it relates to which a kind of selection in a wireless communication system is more
It transformat and is handled using polyhybird automatic repeat request (H-AQR) and sends pass more simultaneously in Transmission Time Interval (TTI)
The method and apparatus of defeated piece (TB).
Background technology
The high-speed packet access (HSPA+) of evolution and general land wireless access (UTRA) and general land wireless access
The purpose of the long term evolution (LTE) of network (UTRAN) is to develop a kind of Radio Access Network, for high data rate, low latent
Volt and optimization grouping and improved power system capacity and covering.In order to realize these targets, wireless interface and wireless is being considered
The evolution of network architecture.In HSPA+, air interface technologies will be still based on CDMA (CDMA), but with more effective
Physical layer architecture, the physical layer architecture include separate channelization coding (with channel quality different from) and multiple-input and multiple-output
(MIMO).In LTE, propose that orthogonal frequency division multiple access (OFDMA) and frequency division multiple access (FDMA) are used as air interface technologies, with respectively
For downlink and uplink.
H- has been used by several wireless communication standards for including third generation partner program (3GPP) and 3GPP2
ARQ.Other than wireless spread-spectrum technology (RLC) layer automatic repeat request (ARQ) function, H-ARQ can improve handling capacity, compensate chain
Road is adapted to mistake, and provides effective transmission speed by channel.By by H-ARQ function settings in Node-B, rather than nothing
In line network controller (RNC), it can obviously reduce and (i.e. affirmative acknowledgement (ACK) or negative response (NACK)) institute is fed back by H-ARQ
Caused delay.The soft bit member that user equipment (UE) receiver can combine the soft bit member of original transmitted and then retransmit, to realize
Higher bLock error rate (BLER) performance.It can implement Chase merging or increase property redundancy.
Asynchronous H-ARQ is used in downlink packet access (HSDPA) at high speeds, in High Speed Uplink Packet access
(HSUPA) synchronous H-ARQ is used in.In both HSDPA and HSUPA, the radio resource for transmission distribution is to be based on a channel
Quality indicator (CQI) feeds back the encoding amount in certain frequency band.There is no differences in channelization code.Therefore, to a H-ARQ
A HSDPA M AC (MAC-hs) stream or one of the reason distribution from the stream multiplexing of multiple dedicated channel MAC (MAC-d)
HSUPA M ACs (MAC-e/es) flow, and a cyclic redundancy check (CRC) is attached to a transmission block.
The new physical layer attribute introduced in HSPA+ includes MIMO and different channelization codes.What is introduced in LTE is new
Physical layer attributes include MIMO and different subcarrier (centralization is distributed).By introducing these new physical layer attributes, answer
Change the performance and transformat combination (TFC) selection course of traditional independent H-ARQ schemes.In traditional independent side H-ARQ
It is primary only to activate a H-ARQ processing in case, and it needs to be determined that the TFC of only one transmission data block in every TTI.It passes
System TFC selection courses do not have the function of the TFC selections to the more than one data block handled for more H-ARQ.
Invention content
The present invention relates to a kind of multiple transport formats being selected in TTI simultaneously using more H-ARQ processing in a wireless communication system
The method and apparatus for sending more TB.Determine the channel quality of available physical resources and each available physical resources, and identify with
The associated H-ARQ processing of the available physical resources.Determine service quality (QoS) demand of higher-layer data stream to be transmitted.Institute
It states higher-layer data stream and is mapped at least two H-ARQ processing.Physical transmission parameters and H-ARQ configurations are determined, to support to reflect
It is incident upon the QoS demand of the higher-layer data stream of each H-ARQ processing.The physical transmission parameters handled respectively according to each H-ARQ
It is configured from the raw TB of the higher-layer data of mapping miscarriage with H-ARQ.It is handled via H-ARQ while sending TB.
Description of the drawings
Below by example by way of the description of specific implementation mode that provides and be understood in conjunction with attached drawing, the present invention
More detailed understanding will be obtained, wherein：
Fig. 1 is the block diagram of the equipment configured according to the present invention；With
The flow chart of Fig. 2 more H-ARQ processing methods of the more TB of simultaneous transmission in TTI used according to the invention.
Specific implementation mode
When referred to hereafter, term " wireless transmitter/receiver unit " (WTRU) includes but not limited to user equipment (UE), moves
Dynamic station, fixed or moving user unit, pager, portable phone, personal digital assistant (PDA), computer or can be in nothing
Any other type of user device run in thread environment.When referred to hereafter, term " base station " include but not limited to Node-B,
Node-B (eNB), site controller, access point (AP) or any other type pair that can be run in wireless environments of evolution
Connection device.
The present invention be suitable for any wireless communication system, including but not limited to wideband code division multiple access (WCDMA),
LTE, OFDM, MIMO or OFDM/MIMO of CDMA2000, HSPA+, 3GPP system.
The feature of the present invention can be joined in integrated circuit (IC), or can be configured in including multiple interconnecting members
Circuit in.
Different antenna spatial beams or channelization code can undergo different channel qualities, and the channel quality can be by
CQI feedback indicates.Identical adaptive modulation and coding (AMC) can be used for all subcarriers, spatial beams or channelizing and compile
Code, they are the quality for being respectively provided with independent subcarrier, spatial beams or channelization code.Alternatively, channel condition can
For different AMC are used for different subcarriers, spatial beams or channelization code, to maximize performance.
When using the AMC for depending on subcarrier, spatial beams or channelization code, according to the present invention, distribute to each
Each data block of subcarrier, spatial beams or channelization code is associated with a CRC.Otherwise, in error of transmission, due to whole
A grouping is associated with single CRC, so being assigned to the entire grouping needs of different subcarriers, spatial beams or channelization code
It is retransmitted.Valuable radio resource will be wasted for the re-transmission of correctly received each data block.Since each antenna can
In different channel conditions, so using identical condition when using MIMO.Therefore, according to the present invention, when by with one
A or multiple subcarriers, channelization code, transmission antenna (or spatial beams) response each H-ARQ processing use multidimensional H-
When ARQ processing, individual CRC is added to each transmission data block.It is primary only to activate in traditional independent H-ARQ schemes
One H-ARQ processing, and it needs to be determined that the TFC of only one transmission data block in every TTI.Traditional TFC selection courses are not
TFC with the more than one data block to being handled for more H-ARQ is selected suitably to support the QoS demand of higher-layer data stream
Function.
Fig. 1 is more H-ARQ processing used according to the invention in Transmission Time Interval (TTI) while sending more transmission blocks
(TB) block diagram of equipment 100.The equipment 100 can be WTRU, Node-B or any other communication device.The equipment 100
Including multiple H-ARQ processing 102a-102n, multiple multiplexings and link adaptation process 104a-104n and controller 106.
Each multiplexing and link adaptation process 104a-104n are associated with a H-ARQ processing 102a-102n.Each multichannel is multiple
With with link adaptation process 104a-104n receive physical resource configuration (i.e. subcarrier be it is distributed or centralized, MIMO days
Line configuration etc.) and with the associated CQI of these physical resources.
Each available H-ARQ processing 102a-102n is associated with specific group physical resource.Dynamically determine physical resource with
H-ARQ handles the association of 102a-102n, or can be semi-statically configured the association.Network entity (such as eNB schedulers) determines
How many physical resource should be distributed.When selecting TFC by multiplexing and link adaptation process 104a-104n every time, or every time
It, can dynamic reallocation and specific H-ARQ processing pass when H-ARQ processing 102a-102n generates the H-ARQ re-transmissions for specific TB
The physical resource of connection.The reallocation of physical resource can be executed based on the CQI of specific physical resource, or can be based on predetermined frequency hopping
Pattern determines the reallocation of physical resource.
Multiplexing and link adaptation process 104a-104n are for every group of physical resource and associated H-ARQ processing
102a-102n independently executes link adaptation.Each multiplexing and link adaptation process 104a-104n determine modulation and coding
The maximum times that scheme (MCS), the TB of multiplexing, transmission power demand, H-ARQ redundancy versions and each TTI are retransmitted.By this
Group transmission information is supplied to each H-ARQ processing 102a-102n.
Can by separate space stream in the spatial domain (if implementing MIMO), in a frequency domain independent subcarrier (if
Implement OFDMA or FDMA), separate channelization in encoding domain coding (if implementing CDMA), separate time slots in the time domain
Or above-mentioned arbitrary combination defines physical resource.Independent subcarrier can be distributed or centralization.Channelization code
It is the physical resource that can be allocated independently to different TB.In a cdma system, different channelization codes can be distributed, it is every to be based on
Channel condition and data rate needed for a TB send a TB or several TB.The maximum quantity of transmissible TB is less than or waits
In the maximum quantity of available channelization code.When several independent spatial flows, subcarrier or channelization code are available, can make
It is handled with several H-ARQ and sends several TB simultaneously via different physical resources.For example, if two spaces stream 2 ×
It can be used in 2MIMO systems, two independent H-ARQ processing may be used and come via two spaces stream while sending two TB.
Different physical resources (i.e. different subcarrier, antenna spatial beams, channelization code or time slots) can be undergone not
Same channel quality.The quality of each physical resource is determined by one or more CQI measurements.CQI can be from communication counterpart
It feeds back, or can be obtained based on channel reciprocity.It can also be by the MCS and/or maximum transport block size of license come table
Show CQI.
Controller 106 identify available physical resources and with the associated H-ARQ processing of the available physical resources.Due to each
H-ARQ processing 102a-102n is associated with specific physical resource, so when identifying available physical resources, is also identified that available
H-ARQ processing.Start determining available physical resources and associated H-ARQ processing in common TTI boundary.It can also be in multiple TTI
Period is semi-statically configured the association.
Available physical resources are can be compiled for the independent spatial flow of data transmission, subcarrier, channelizing during certain
The amount of code and time slot.It is small at one depending on Multiple factors, such as Node-B needs for the available physical resources of a WTRU
The quantity of the WTRU supported in area, the interference level from other cells, the channel condition of WTRU, WTRU need the service supported
QoS level (such as priority, potentiality, fairness and buffer status), WTRU need the data rate etc. supported.
According to the present invention, more H-ARQ processing 102a-102n are run simultaneously and in parallel.Since H-ARQ handles 102a-
102n can use the re-transmission of different number for Successful transmissions, and the data of 102a-102n are handled due to mapping to H-ARQ
Stream can have the QoS demand for determining the different number or difference TTI sizes that retransmit, so if H-ARQ handles step different from each other,
Then certain H-ARQ may be disabled.In any TTI, any number of H-ARQ processing can become available.According to the present invention,
In common TTI, more than one H-ARQ processing and associated one group of physical resource become available.Coordinated by controller 106
Association between H-ARQ processing and physical resource.
Controller 106 is by higher-layer data stream 108a-108m (i.e. MAC or multiple streams of rlc protocol data cell (PDU))
It is mapped at least two multiplexings and link adaptation process 104a-104n and their associated H-ARQ processing 102a-
102n.In the common TTI to standardize for QoS, identical higher-layer data stream 108a-108m can be answered with more than one multichannel
It is mapped with link adaptation process 104a-104n and H-ARQ processing 102a-102n.By by identical higher-layer data
Stream or higher-layer data stream group are mapped with multiple H-ARQ processing, and it is common to handle the QoS demand between 102a-102n in H-ARQ
's.In this case, each multiplexing and link adaptation process 104a-104n are according to associated physical resource group
CQI determines MCS, transport block size, transmission power, maximum H-ARQ transmission and configured transmission, for realizing higher-layer data
The QoS or data flow group that each of stream transmits are as similar as possible.
Alternatively, also can by based on data flow QoS demand and with the physical resource group of distributing to each H-ARQ processing
The higher-layer data stream 108a-108m that can be grouped according to QoS demand is handled 102a-102n by associated CQI from different H-ARQ
It is mapped to realize not equal error protection.For example, CQI can show that one group of physical resource is better than other groups of physical resources.Tool
There is the higher-layer data stream of higher QoS demand that can map to and the associated H-ARQ processing of preferable physical resource.Based on higher level number
According to the QoS demand of stream, packet size, H-ARQ capacity etc. the higher-layer data stream of specific H-ARQ processing will be mapped to determine
Quantity.Once it is determined that each higher-layer data stream that specific H-ARQ processing will be used to send, by being used for different H-ARQ processing
Multiplexing and link adaptation process 104a-104n multiplex these data flows.
Each multiplexing and link adaptation process 104a-104n receive input (such as the physical resource of distribution
CQI, the buffer capacity etc. for mapping data flow), and determine physical transmission parameters and H-ARQ configurations, at support and each H-ARQ
Manage the QoS demand of the higher-layer data stream 108a-108m of mapping.The physical transmission parameters include：Transimission power, modulation and volume
Code scheme, TTI sizes, transport block size and Wave beam forming pattern, subcarrier distribution, mimo antenna configuration etc..H-ARQ configuration ginsengs
Number includes：H-ARQ marks, maximum times, redundancy versions (RV), the CRC sizes etc. retransmitted.Multiplexing and link adaptation processing
H-ARQ parameters are supplied to associated H-ARQ to handle 102a-102n by device 104a-104n.
Identical MCS, transport block size, TTI sizes can be used in multiplexing and link adaptation process 104a-104n
And/or the transmission power extremely all physical resources unrelated with the quality of physical resource.Alternatively, multiplexing and link adaptation
Processor 104a-104n can be used different MCS, transport block size, TTI sizes and/or be based on channel condition transmission power extremely
Different physical resource, so that performance maximizes.
When being operated using the AMC and H-ARQ that rely on physical resource, it is preferable that the every of each physical resource will be distributed to
A data block is associated with single CRC.By this scheme, it is distributed when being grouped in error of transmission to different physical resources entire not
It needs to be retransmitted, because each transmission block is associated with single CRC, and 102a-102n is handled to handle by single H-ARQ.
Then, multiplexing and link adaptation process 104a-104n are based on channel quality indicator and physical transfer
Parameter selects appropriate TFC (i.e. TB sizes, TB groups size, TTI sizes, modulation and encoding scheme (MCS), transimission power, day to TB
Line wave beam, subcarrier distribution, CRC sizes, redundancy versions (RV) and the data block etc. for mapping to radio resource) later from distribution
Higher-layer data stream 112a-112m generates TB.One or more higher-layer data streams can be multiplexed into a TB.It will be single
A CRC is added to each TB, is used for individual error detection and H-ARQ processing.Each TB and associated configured transmission are provided
H-ARQ to distribution handles 102a-102n.Then, TB is sent via the H-ARQ of distribution processing 102a-102n respectively.
Transmission or blind examination survey technology can be used in recipient before decoding configured transmission, can will support more H-ARQ processing
Parameter with signal transmission to recipient.The TB of generation is handled into 102a- as associated configured transmission is sent to H-ARQ
102n, for transmission.
Fig. 2 is the flow chart of more H-ARQ processing methods 200 of the more TB of simultaneous transmission in TTI used according to the invention.Know
Other available physical resources and the channel quality (step that the associated available physical resources of 102a-102n are handled with each H-ARQ
202).Determine the QoS demand and buffer capacity (step 204) of higher-layer data stream 112a-112m to be sent.It should be noted that
It is that the step in method 200 can be executed in different order, some step available parallelisms execute.For example, step 204 can
Before step 202 or synchronization executes.
Controller 106 can based on the associated qos parameter of those higher-layer data streams determine for TFC selection processing compared with
The type of high level data stream 112a-112m.Controller 106 also can determine the sequence that higher-layer data stream is serviced.QoS can be passed through
Demand or absolute priority determine processing sequence.Alternatively, determine higher-layer data grouping can be stopped in H-ARQ queues
Duration during serviceable bife span (life span) time parameter, the longevity can be based on to controller 106
It orders span time parameter and differentiation order of priority or discarding is grouped to higher-layer data.
Higher-layer data stream 112a-112m is mapped into each H-ARQ by controller 106 and handles 102a-102n.For
Each available H-ARQ processing 102a-102n determines physical transmission parameters and H-ARQ configurations, to support to map at each H-ARQ
Manage the required QoS (steps 206) of the higher-layer data stream 112a-112m of 102a-102n.It is more than when having for transmission in TTI
When one H-ARQ processing is available, it is necessary to it is determined which higher-layer data stream 112a-112m is mapped to different H-
ARQ processing.Higher-layer data stream 112a-112m can be with or without similar QoS demand.
As all higher-layer data stream 112a-112m or higher-layer data stream 112a- of H-ARQ to be mapped to different processing
When the subset of 112m needs similar QoS, then standardized (i.e. for the QoS provided by H-ARQ processing 102a-102n
In each TTI, configured transmission (such as MCS, TB size and transimission power) and H-ARQ configurations are adjusted, TFC is selected, thus
The QoS provided in H-ARQ processing 102a-102n is similar).It can be by adjusting between multiple H-ARQ handle 102a-102n
Link adaptation parameters (such as MCS, TB size, transimission power etc.) come realize more H-ARQ handle 102a-102n between
QoS standardizes.For example, the physical resource with preferable channel quality can be distributed to by higher MCS, and by relatively low MCS points
Dispensing has the physical resource of poor channel quality.This can cause for the different H-ARQ different size of multiplexings handled
Data block.
Alternatively, when higher-layer data stream 112a-112m needs different QoS, higher-layer data stream 112a-112m can
It is mapped to and handles 102a-102n with the associated H-ARQ of physical resource, wherein the physical resource is with higher close to being matched with
The quality of the QoS demand of layer data stream 112a-112m.The advantages of being handled using more H-ARQ is that it believes multiplexing logic
The flexibility in road or MAC streams, wherein MAC streams have handles 102a-102n and associated physical resource for different H-ARQ
Different QoS requirements.When certain physics resource representation channel quality is better than other physical resources, the data quilt with higher QoS
It maps to and the associated H-ARQ processing of the physical resource.This improves the use of physical resource, and maximises system throughput
Amount.Alternatively, or additionally, the maximum times that can configure MCS and/or re-transmission are closer matching logic with distinguishing QoS
The QoS demand of channel or MAC streams.
After higher-layer data stream 112a-112m to be mapped to H-ARQ processing 102a-102n, by will be with each H-
The ARQ processing associated higher-layer data stream 112a-112m of 102a-102n are multiplexed, respectively according to for each H-ARQ
The physical transmission parameters and H-ARQ configurations for handling 102a-102n handle 102a-102n (steps to generate for each H-ARQ
208).The data multiplex that 102a-102n is handled for each H-ARQ can sequential processes or parallel processing.Then, via pass
The H-ARQ processing 102a-102n of connection sends TB (steps 210) simultaneously.
The TB of transmission may or can not be successfully received in communication party.The TB of failure is retransmitted in subsequent TTI.It is preferred that
The size on ground, the TB of re-transmission is maintained at the same size that communication party carries out soft merging.If may have for the re-transmission of the TB of failure
Dry selection.
According to first choice, the physical resource that distribution is retransmitted for the H-ARQ of TB remains unchanged (i.e. via identical physics
Resource and H-ARQ processing retransmit the TB of failure).Configured transmission and H-ARQ configurations (i.e. TFC) can be changed.Specifically, link is suitable
It can be changed with parameter (such as day line options, AMC or transmission power), to maximize the chance for the TB for successfully transmitting re-transmission.When
When changing link adaptation parameters for the re-transmission of the TB of failure, the parameter of change can be sent to recipient with signal.It is optional
Select ground, blind examination survey technology can be used in recipient, with eliminate for changing parameter signalling loads.
According to the second selection, in order to which the H-ARQ of the transmission block physical resources for retransmitting and distributing can dynamically be reallocated (i.e.
The TB of failure is retransmitted on different physical resources and identical H-ARQ processing).The reallocation of physical resource can be based on CQI or
Based on known frequency-hopping mode.
In another selection, the H-ARQ transmission of failure can be segmented in more H-ARQ processing, and be each independently segmented
It sends to increase successfully the possibility of H-ARQ transmission.According to the selection, the physical resource for retransmitting TB is reallocated (i.e.
The TB of failure is sent via different H-ARQ processing).The H-ARQ of TB for sending failure in previous TTI is treated as can
, for transmitting any other TB in subsequent TTI.Maximum transmission power, the quantity of subcarrier or channelization code,
The quantity of antenna or distribution and recommendation MCS can be reallocated, for the re-transmission of the TB of failure.Preferably, new permitted can be generated
Can TFCS subsets, with reflect for failure TB physical resource change.New parameter can be sent to recipient with signal, with
Ensure to be properly received.Alternatively, blind examination survey technology can be used in recipient, with eliminate for changing parameter signaling it is negative
It carries.
Embodiment
1. a kind of handling the method for sending more TB in TTI using more H-ARQ in a wireless communication system.
2. method as described in Example 1 includes the steps that identification available physical resources and associated H-ARQ processing.
3. the method as described in any in embodiment 1-2, including obtain the channel quality measurement of each available physical resources
The step of.
4. the method as described in any in embodiment 1-3, including at least one higher-layer data stream is mapped at least two
The step of a H-ARQ processing.
5. method as described in Example 4, including determine that physical transmission parameters and H-ARQ configurations are each to support to map to
The step of QoS demand of the higher-layer data stream of H-ARQ processing.
6. method as described in Example 5, including respectively according to the physical transmission parameters and H-ARQ of each H-ARQ processing
The step of configuration miscarries raw TB from the higher-layer data of mapping.
7. method as described in Example 6 includes the steps that being handled via H-ARQ while sending TB.
8. the configuration of the method as described in any in embodiment 5-7, wherein physical transmission parameters and H-ARQ includes for each
The TFC of TB.
9. the method as described in any in embodiment 2-8, wherein communication node include the mutiple antennas for MIMO, and
Available physical resources are identified based on independent spatial data.
10. the method as described in any in embodiment 2-9, wherein identifying available physical based on independent frequency subcarriers
Resource.
11. method as described in Example 10, wherein the subcarrier is distributed subcarriers.
12. method as described in Example 10, wherein the subcarrier is centralized subcarrier.
13. the method as described in any in embodiment 2-12, wherein object can be used to identify based on independent channelization code
Manage resource.
14. the method as described in any in embodiment 2-13, wherein identifying available physical resources based on different time slots.
15. the method as described in any in embodiment 2-14, wherein dynamically determining the pass of physical resource and H-ARQ processing
Connection.
16. the method as described in any in embodiment 2-14, wherein being semi-statically configured physical resource and H-ARQ processing
Association.
17. the method as described in any in embodiment 4-16, further comprising the steps of：Selection, which stays in next TTI, to be sent
Higher-layer data stream, so that selected higher-layer data stream is only mapped to H-ARQ processing.
18. method as described in Example 17, wherein when distributing life span to the grouping on each higher-layer data stream
Between, the selection of the grouping to be used for transmission based on the life span time.
19. the method as described in any in embodiment 5-18, wherein when the QoS demand of higher-layer data stream is similar
When, physical transfer and H-ARQ configurations are determined, to which the QoS between available H-ARQ processing is similar.
20. method as described in Example 19, wherein more advanced for the H-ARQ processing uses with high channel quality
Other MCS uses the other MCS of lower level for the H-ARQ processing with relatively low channel quality.
21. the method as described in any in embodiment 19-20, wherein based on the higher-layer data for mapping to H-ARQ processing
The QoS demand of stream, the maximum times that each H-ARQ processing distribution is retransmitted.
22. the method as described in any in embodiment 5-18, wherein when the QoS demand of higher-layer data stream is dissimilar
When, by each higher-layer data stream map to the associated H-ARQ processing of channel quality, the channel quality close to be matched with compared with
The QoS demand of high level data stream.
23. the method as described in any in embodiment 5-18, wherein when the QoS demand of higher-layer data stream is dissimilar
When, maximum times of the QoS demand based on the higher-layer data stream for mapping to H-ARQ processing to H-ARQ processing distribution re-transmissions.
24. the method as described in any in embodiment 2-23 maps to H-ARQ processing wherein when the transmission of TB failure
Physical resource do not change for the re-transmission of TB.
25. method as described in Example 24, wherein physical transfer and H-ARQ are configured to the re-transmission of TB and change.
26. method as described in Example 24, wherein being segmented to TB, for retransmitting.
27. the method as described in any in embodiment 2-23 maps to the physics money of TB wherein when the transmission of TB failure
Source changes for the re-transmission of TB.
28. the method as described in any in embodiment 1-27, wherein the wireless communication system is HSPA+ systems.
29. the method as described in any in embodiment 1-27, wherein the wireless communication system is 3G wireless communication systems
LTE.
30. the method as described in any in embodiment 2-29, wherein starting to determine available physical money in common TTI boundary
Source and associated H-ARQ processing.
31. the method as described in any in embodiment 5-30, wherein the physical transmission parameters include for each TB
MCS。
32. the method as described in embodiment 31, wherein MCS of the selection for each TB, to distinguish the QoS demand of TB.
33. the method as described in embodiment 31, wherein MCS of the selection for each TB, to be supported in H-ARQ processing
QoS be similar.
34. the method as described in any in embodiment 5-33, wherein the physical transmission parameters include for each TB
Transport block size.
35. the method as described in embodiment 34, wherein selection is used for the TB sizes of each TB to distinguish the QoS demand of TB.
36. the method as described in embodiment 34, wherein TB size of the selection for each TB, to handle it in H-ARQ
Between the QoS that supports be similar.
37. a kind of handling the equipment for sending more TB in TTI using more H-ARQ in a wireless communication system.
38. the equipment as described in embodiment 37, including multiple H-ARQ processing.
39. the equipment as described in embodiment 38, including controller are configured as identification available physical resources and can be used with this
The associated H-ARQ processing of physical resource, the QoS demand of channel quality and higher-layer data stream based on each available physical resources
At least one higher-layer data stream is mapped at least two H-ARQ processing, and determines physical transmission parameters and H-ARQ configurations
To support to map to the QoS demand of the higher-layer data stream of each H-ARQ processing.
40. the equipment as described in embodiment 39, including multiple multiplexings and link adaptation process, each to multiplex
It is associated with H-ARQ processing with link adaptation process and is configured as the physical transmission parameters and H- that are handled according to each H-ARQ
ARQ configurations generate TB from the higher-layer data stream for mapping to lid multiplexing and link adaptation process.
41. the equipment as described in embodiment 40, wherein each multiplexing and link adaptation process are determined for mapping
Higher-layer data stream TFC.
42. the equipment as described in any in embodiment 39-41, wherein the controller is based on by multiple days for MIMO
Independent spatial data caused by line identifies available physical resources.
43. the equipment as described in any in embodiment 39-42, wherein the controller is identified based on independent subcarrier
Available physical resources.
44. the equipment as described in embodiment 43, wherein the subcarrier is distributed subcarriers.
45. the equipment as described in embodiment 43, wherein the subcarrier is centralized subcarrier.
46. the equipment as described in any in embodiment 39-45, wherein the controller based on independent channelization code come
Identify available physical resources.
47. the equipment as described in any in embodiment 39-46, wherein identifying that available physical provides based on different time slots
Source.
48. the equipment as described in any in embodiment 39-47, wherein dynamically determining what physical resource and H-ARQ were handled
Association.
49. the equipment as described in any in embodiment 39-47, wherein being semi-statically configured physical resource and H-ARQ processing
Association.
50. the equipment as described in any in embodiment 39-49, wherein the controller is configured as：It selects at least one
It stays in the higher-layer data stream sent in next TTI and selected higher-layer data stream is only mapped into H-ARQ processing.
51. the equipment as described in embodiment 50, wherein when distributing life span to the grouping on each higher-layer data stream
Between, thus the grouping that controller selects to be used for transmission based on the life span time.
52. the equipment as described in any in embodiment 39-51, wherein when the QoS demand of higher-layer data stream is similar
When, the controller determines physical transfer and H-ARQ configurations, with the QoS that standardizes between available H-ARQ processing.
53. the equipment as described in embodiment 52, wherein for the H-ARQ processing with high channel quality using compared with Gao Shun
The MCS of sequence, for the H-ARQ processing with relatively low channel quality using the MCS of relatively low sequence.
54. the equipment as described in embodiment 52, wherein the QoS demand based on the higher-layer data for mapping to H-ARQ processing,
Limitation is retransmitted to each H-ARQ processing distribution maximum times.
55. the equipment as described in any in embodiment 39-51, wherein when the QoS demand of higher-layer data is dissimilar
When, controller by higher-layer data map to the associated H-ARQ processing of channel quality, the channel quality close to be matched with compared with
The QoS demand of high level data stream.
56. the equipment as described in any in embodiment 39-51, wherein when the QoS demand of higher-layer data is dissimilar
When, the QoS demand based on the higher-layer data stream for mapping to H-ARQ processing retransmits limitation to H-ARQ processing distribution maximum times.
57. the equipment as described in any in embodiment 39-56, wherein when the transmission of TB failure, controller is the weight of TB
It passes and distributes identical physical resource.
58. the equipment as described in embodiment 57, wherein the controller changes physical transfer and H-ARQ for the re-transmission of TB
Configuration.
59. the equipment as described in any in embodiment 57-58, wherein the controller is segmented TB, for retransmitting.
60. the equipment as described in any in embodiment 39-56, wherein when the transmission of TB failure, the controller changes
Physical resource, for the re-transmission of TB.
61. the equipment as described in any in embodiment 37-60, wherein the wireless communication system is HSPA+ systems.
62. the equipment as described in any in embodiment 37-60, wherein the wireless communication system is 3G wireless communication systems
LTE.
63. the equipment as described in any in embodiment 39-62, wherein starting determining available physical in common TTI boundary
Resource and associated H-ARQ processing.
64. the equipment as described in any in embodiment 39-63, wherein the physical transmission parameters include for each TB
MCS。
65. the equipment as described in embodiment 64, wherein MCS of the selection for each TB, to distinguish the QoS demand of TB.
66. the equipment as described in embodiment 64, wherein MCS of the selection for each TB, to be propped up between H-ARQ processing
The QoS held is similar.
67. the equipment as described in any in embodiment 39-66, wherein the physical transmission parameters include for each TB
Transport block size.
68. the equipment as described in embodiment 67, wherein selection is used for the TB sizes of each TB to distinguish the QoS demand of TB.
69. the equipment as described in embodiment 67, wherein TB size of the selection for each TB, to handle it in H-ARQ
Between the QoS that supports be similar.
It is each although the feature and element of the present invention are described with specific combination in a preferred embodiment
Feature or element can be used alone in the case of other features of no preferred embodiment and element, or with or
Not with the present invention other features and element combined it is various in the case of use.The method or flow chart provided in the present invention can
With with by practical embedded computer program in a computer-readable storage medium performed by all-purpose computer or processor,
The mode of software and firmware is implemented.The example of computer readable storage medium includes read-only memory (ROM), random access storage
Device (RAM), register, buffer storage, semiconductor storage unit, magnetic medium (such as internal hard drive and removable disk), magneto-optic
Medium and optical medium (such as CD-ROM disk and digital versatile disc (DVD)).
By example, processor appropriate includes：General processor, application specific processor, conventional processors, at digital signal
Manage device (DSP), multi-microprocessor, one or more and the associated microprocessor of DSP core, controller, microcontroller, special collection
At circuit (ASIC), field programmable gate array (FPGA) circuit, any other type integrated circuit (IC) and/or state machine.
It can be used for implementing at wireless transmitter receiver unit (WTRU), user equipment (UE), end with the processor of software context
The radio frequency transceiver used in end, base station, radio network controller or any host.Can with module in conjunction with and use
WTRU, and implement in hardware and/or software, such as camera, video camera module, visual telephone, speakerphone, vibration
Device, loud speaker, microphone, television transceiver, hand-free receiver, keyboard,Module, frequency modulation(PFM) (FM) radio-cell,
Liquid crystal display (LCD) display unit, Organic Light Emitting Diode (OLED) display unit, digital music player, media play
Device, video game player module, Internet-browser and/or arbitrary WLAN (WLAN) module.
Claims (13)
1. a kind of method for transmitting higher-layer data stream using multiple transmission block TB in Transmission Time Interval TTI, wherein institute
It is the data from M AC MAC or wireless spread-spectrum technology rlc protocol data cell PDU to state higher-layer data stream
Stream, this method include：
Two uplink physical resource distribution are received, wherein each uplink physical resource distribution includes modulation and coding
Scheme MCS and t easet ofasubcarriers associated with different frequency, wherein each uplink physical resource distribute from it is different
Mixed automatic repeat request H-ARQ processing is associated, and wherein each uplink physical resource distribution is surveyed based on channel quality
Measure and support the service quality QoS demand of the higher-layer data stream；
The higher-layer data stream is multiplexed at least two TB, wherein each TB from the different H-ARQ
One of reason is associated；And
In the TTI TB is transmitted via from one of associated different H-ARQ processing of each TB
Each of.
2. according to the method described in claim 1, further comprising：
The higher-layer data stream is mapped into more than one multiplexing and link adaptation process, wherein each multichannel
Multiplexing and link adaptation process one of handle phase in the common TTI to standardize for QoS from the different H-ARQ
Association.
3. according to the method described in claim 1, the QoS demand wherein handled across different H-ARQ is common.
4. according to the method described in claim 1, further comprising handling via the different H-ARQ in the TTI
Transmit the TB simultaneously.
5. according to the method described in claim 1, the wherein described transmission is to be performed using mutiple antennas and described two
Uplink physical resource distribution is identified based on separate space data stream.
6. a kind of using the wireless transmission/reception of multiple transmission block TB transmission higher-layer data streams in Transmission Time Interval TTI
Unit WTRU, wherein the higher-layer data stream is from M AC MAC or wireless spread-spectrum technology rlc protocol data
The data flow of unit PDU, the WTRU include：
It is configured as receiving the circuit of two uplink physical resources distribution, wherein each uplink physical resource is distributed
Including modulation and encoding scheme MCS and t easet ofasubcarriers associated with different frequency, wherein each uplink physical provides
, wherein each uplink physical resource distribution associated from different mixed automatic repeat request H-ARQ processing is distributed in source
Based on channel quality measurement and support the service quality QoS demand of the higher-layer data stream；And
The wherein described circuit is configured to the higher-layer data stream being multiplexed at least two TB, wherein often
One TB is associated and in the TTI from different one of the H-ARQ processing via associated with each TB
One of different H-ARQ processing transmit each of described TB.
7. WTRU according to claim 6 further comprises being configured as mapping to the higher-layer data stream being more than
One multiplexing and the circuit of link adaptation process, wherein each multiplexing and link adaptation process for
It is associated from one of the different H-ARQ processing in the common TTI of standardization.
8. WTRU according to claim 6, wherein the QoS demand across H-ARQ processing is common.
9. WTRU according to claim 6 further comprises being configured as in the TTI via the different H-
ARQ processing comes while transmitting the circuit of the TB.
10. WTRU according to claim 6 further comprises being configured with mutiple antennas to transmit two uplinks
The circuit of road physical source distributing, wherein the distribution of described two uplink physical resources is known based on separate space data stream
Not.
11. a kind of evolved node BeNB, including：
It is configured as the circuit of transmission two uplink physical resources distribution, wherein each uplink physical resource is distributed
Including modulation and encoding scheme MCS and t easet ofasubcarriers associated with different frequency, wherein each uplink physical provides
The mixed automatic repeat request H-ARQ processing different from wireless transmitter/receiver unit WTRU is distributed in source to be associated, wherein
Higher-layer data stream of each uplink physical resource distribution based on channel quality measurement and support in the WTRU
Service quality QoS demand, wherein the higher-layer data stream is from M AC MAC or wireless spread-spectrum technology RLC
The data flow of protocol Data Unit PDU；And
Circuit is configured to distribute from the WTRU between transmission time based on described two uplink physical resources
Every receiving and processing at least two transmission block TB in TTI.
12. eNB according to claim 11, wherein the QoS demand across H-ARQ processing is common.
13. eNB according to claim 11, wherein the distribution of described two uplink physical resources is based on separate space number
It is identified according to crossfire.
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- 2006-12-27 BR BRPI0621169A patent/BRPI0621169B1/en active IP Right Grant
- 2006-12-27 MX MX2008008549A patent/MX2008008549A/en active IP Right Grant
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275279A (en) * | 1997-08-19 | 2000-11-29 | 艾利森电话股份有限公司 | Multi-channel automatic retransmission query (ARQ) method |
| CN1689262A (en) * | 2002-08-13 | 2005-10-26 | 松下电器产业株式会社 | Multiple HARQ processes handling method |
Also Published As
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| KR101516143B1 (en) | 2015-05-04 |
| CN104539390A (en) | 2015-04-22 |
| BRPI0621169B1 (en) | 2020-01-14 |
| WO2007079058A2 (en) | 2007-07-12 |
| CA2635874A1 (en) | 2007-07-12 |
| AU2006332827A1 (en) | 2007-07-12 |
| KR20130130097A (en) | 2013-11-29 |
| EP1969751A2 (en) | 2008-09-17 |
| BRPI0621169A2 (en) | 2011-11-29 |
| KR101516137B1 (en) | 2015-05-04 |
| WO2007079058A3 (en) | 2008-01-03 |
| KR20140101016A (en) | 2014-08-18 |
| TW200729814A (en) | 2007-08-01 |
| TWI574525B (en) | 2017-03-11 |
| KR101419819B1 (en) | 2014-07-17 |
| KR20080083715A (en) | 2008-09-18 |
| JP2009522870A (en) | 2009-06-11 |
| MX2008008549A (en) | 2008-09-10 |
| TW201605194A (en) | 2016-02-01 |
| KR20080080669A (en) | 2008-09-04 |
| IL192505A0 (en) | 2009-02-11 |
| IL192505A (en) | 2013-11-28 |
| TW201433119A (en) | 2014-08-16 |
| KR101504861B1 (en) | 2015-03-30 |
| KR20140039341A (en) | 2014-04-01 |
| AR058880A1 (en) | 2008-02-27 |
| TWI427958B (en) | 2014-02-21 |
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