CN104539390A - Method for transmitting higher layer data flow, wireless transmit/receive unit (WTRU), and evolved NodeB - Google Patents
Method for transmitting higher layer data flow, wireless transmit/receive unit (WTRU), and evolved NodeB Download PDFInfo
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- CN104539390A CN104539390A CN201410777644.1A CN201410777644A CN104539390A CN 104539390 A CN104539390 A CN 104539390A CN 201410777644 A CN201410777644 A CN 201410777644A CN 104539390 A CN104539390 A CN 104539390A
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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
- H04L1/1893—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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- 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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Abstract
Disclosed are a method for transmitting a higher layer data flow, a wireless transmit/receive unit (WTRU), and an evolved NodeB. The method comprises transmitting a channel quality indication (CQI) for each of at least two sets of uplink physical resources, wherein each set in the uplink physical resources is correlated with a different frequency; receiving two uplink physical resource distributions, wherein each uplink physical resource distribution comprises a modulation and coding scheme (MCS) and a sub-carrier set correlated with a different frequency, is correlated with a different hybrid automatic repeat request (H-ARQ) process, is based on an CQI indicator, and supports a Quality of service (QoS) requirement of higher layer data; multiplexing the higher layer data flow to at least two transport blocks (TBs), wherein each TB is correlated with one of different H-ARQ processes; and transmitting each of the TBs in a transmission time interval (TTI) via one of the different H-ARQ processes correlated with the corresponding TBs.
Description
The divisional application that the application is the applying date is on December 27th, 2006, application number is 200680049847.2, name is called the application for a patent for invention of " method and apparatus selecting multiple transport formats and use transmitting multiple transport blocks simultaneously with multiple H-ARQ processes ".
Technical field
The present invention relates to wireless communication system.More specifically, the present invention relates to one to select multiple transport formats in a wireless communication system and use polyhybird automatic repeat request (H-AQR) process in Transmission Time Interval (TTI), send the method and apparatus of many transmission blocks (TB) simultaneously.
Background technology
The object of high-speed packet access (HSPA+) of evolution and the Long Term Evolution (LTE) of general land wireless access (UTRA) and universal terrestrial access network (UTRAN) is to develop a kind of Radio Access Network, for high data rate, low power system capacity and the covering of hiding and optimizing grouping and improvement.In order to realize these targets, considering the evolution of wave point and radio network frame.In HSPA+, air interface technologies will still based on code division multiple access (CDMA), but have more effective physical layer architecture, described physical layer architecture comprises separate channelization coding (distinguishing to some extent with channel quality) and multiple-input and multiple-output (MIMO).In LTE, propose OFDM (OFDMA) and frequency division multiple access (FDMA) as air interface technologies, to be respectively used to down link and up link.
H-ARQ is have employed by several wireless communication standards comprising third generation partner program (3GPP) and 3GPP2.Except wireless spread-spectrum technology (RLC) layer automatic repeat request (ARQ) function, H-ARQ can improve throughput, the adaptive mistake of compensate for link, and provides effective transmission speed by channel.By by H-ARQ function setting at Node-B, instead of in radio network controller (RNC), obviously can reduce the delay caused by H-ARQ feedback (i.e. affirmative acknowledgement (ACK) or negative response (NACK)).The soft bit that subscriber equipment (UE) receiver may be combined with original transmitted and the soft bit retransmitted subsequently, to realize higher bLock error rate (BLER) performance.Chase can be implemented merge or increasing property redundancy.
Use asynchronous H-ARQ in downlink packet access (HSDPA) at high speeds, in High Speed Uplink Packet access (HSUPA), use synchronous H-ARQ.In HSDPA and HSUPA, the Radio Resource distributed for transmission is based on the encoding amount of a CQI (CQI) feedback at certain frequency band.Not distinct in channelization code.Therefore, one H-ARQ process is distributed and flows multiplexed HSDPA M AC (MAC-hs) stream or a HSUPA M AC (MAC-e/es) stream from multiple dedicated channel MAC (MAC-d), and a cyclic redundancy check (CRC) (CRC) is attached to a transmission block.
The new physical layer attribute introduced in HSPA+ comprises MIMO and different channelization code.The new physical layer attribute introduced in LTE comprises MIMO and different subcarrier (centralized or distributed).By introducing these new physical layer attributes, performance and transformat combination (TFC) selection course of traditional independent H-ARQ scheme should be changed.In traditional independent H-ARQ scheme, once only activate a H-ARQ process, and in each TTI, need the TFC determining an only transmission data block.Tradition TFC selection course does not have the function selected the TFC of the more than one data block for many H-ARQ process.
Summary of the invention
The present invention relates to and a kind ofly use many H-ARQ process in TTI, select multiple transport formats and send the method and apparatus of many TB in a wireless communication system.Determine the channel quality of available physical resources and this available physical resources each, and identify the H-ARQ process associated with this available physical resources.Determine service quality (QoS) demand of high level data stream waiting for transmission.Described high level data stream is mapped at least two H-ARQ process.Determine physical transmission parameters and H-ARQ configuration, to support the QoS demand of the high level data stream mapping to each H-ARQ process.TB is given birth in the high level data miscarriage configured from mapping according to physical transmission parameters and the H-ARQ of each H-ARQ process respectively.Send TB via H-ARQ process simultaneously.
Accompanying drawing explanation
Provided and the description of the embodiment be understood by reference to the accompanying drawings by the following mode by example, the present invention will obtain more detailed understanding, wherein:
Fig. 1 is the block diagram of the equipment according to the present invention's configuration; With
The flow chart of the method for many TB is transmitted in Fig. 2 many H-ARQ process used according to the invention in TTI simultaneously.
Embodiment
When referred to hereafter, term " wireless transmitter/receiver unit " (WTRU) other type of user device any of including but not limited to subscriber equipment (UE), mobile radio station, fixing or moving user unit, beep-pager, portable phone, personal digital assistant (PDA), computer or can running in wireless environments.When referred to hereafter, term " base station " other type docking facilities any of including but not limited to Node-B, the Node-B (eNB) of evolution, site controller, access point (AP) or can running in wireless environments.
The present invention is applicable to any wireless communication system, includes but not limited to LTE, OFDM, MIMO or OFDM/MIMO of Wideband Code Division Multiple Access (WCDMA) (WCDMA), CDMA2000, HSPA+, 3GPP system.
Feature of the present invention can join in integrated circuit (IC), or can be configured in comprise multiple interconnecting member circuit in.
Different antenna space wave beams or channelization code can experience different channel qualities, and described channel quality can be represented by CQI feedback.Identical adaptive modulation and coding (AMC) can be used for all subcarriers, spatial beams or channelization code, and they are the quality respectively with independently subcarrier, spatial beams or channelization code.Alternatively, channel condition can be used to different AMC is used for different subcarriers, spatial beams or channelization code, to maximize performance.
When use depends on the AMC of subcarrier, spatial beams or channelization code, according to the present invention, each data block distributing to each subcarrier, spatial beams or channelization code associates with a CRC.Otherwise, when error of transmission, because whole grouping associates with single CRC, so the whole grouping needs being assigned to different subcarrier, spatial beams or channelization code are retransmitted.Re-transmission for each data block correctly received will waste valuable Radio Resource.Because each antenna can be in different channel conditions, so adopt identical condition when using MIMO.Therefore, according to the present invention, when each H-ARQ process by responding with one or more subcarrier, channelization code, transmitting antenna (or spatial beams) uses multidimensional H-ARQ process, independent CRC is added into each transmission data block.In traditional independent H-ARQ scheme, once only activate a H-ARQ process, and in each TTI, need the TFC determining an only transmission data block.Tradition TFC selection course does not have the function TFC of the more than one data block for many H-ARQ process being selected to the QoS demand suitably to support high level data stream.
Fig. 1 is the block diagram that many H-ARQ process used according to the invention send the equipment 100 of many transmission blocks (TB) in Transmission Time Interval (TTI) simultaneously.This equipment 100 can be WTRU, Node-B or other communicator any.This equipment 100 comprises multiple H-ARQ process 102a-102n, multiple multiplexed and link adaptation process 104a-104n and controller 106.Eachly multiplexedly to associate with a H-ARQ process 102a-102n with link adaptation process 104a-104n.Each multiplexed CQI receiving physics resource distribution (namely subcarrier is distributed or centralized, mimo antenna configuration etc.) with link adaptation process 104a-104n and associate with these physical resources.
Each available H-ARQ process 102a-102n associates with particular group physical resource.Dynamically determine associating of physical resource and H-ARQ process 102a-102n, or can semi-statically configure this association.Network entity (such as eNB scheduler) determines to distribute how many physical resources.When at every turn selecting TFC by multiplexed and link adaptation process 104a-104n, or when this H-ARQ process 102a-102n produces the H-ARQ re-transmission for specific T B at every turn, dynamic is reallocated the physical resource associated with specific H-ARQ process.The reallocation of physical resource can be performed based on the CQI of specific physical resource, or the reallocation of physical resource can be determined based on predetermined frequency-hopping mode.
Multiplexedly independently perform link adaptation for often organizing physical resource with the H-ARQ process 102a-102n associated with link adaptation process 104a-104n.Each multiplexed and link adaptation process 104a-104n determines to modulate and the maximum times of encoding scheme (MCS), multiplexed TB, transmitted power demand, H-ARQ redundancy versions and each TTI re-transmission.This group transmission information is supplied to each H-ARQ process 102a-102n.
Physical resource is defined by separate space stream (if implement MIMO) in the spatial domain, independent subcarrier (if implementing OFDMA or FDMA) in a frequency domain, separate channelization coding (if implementing CDMA) in encoding domain, separate time slots in the time domain or above-mentioned combination in any.Independently subcarrier can be distributed or centralized.Channelization code to distribute to the physical resource of different TB independently.In a cdma system, different channelization code can be distributed, to send a TB or several TB based on the channel condition needed for each TB and data rate.The maximum quantity of the TB that can send is less than or equal to the maximum quantity of available channelization code.When several independently spatial flow, subcarrier or channelization code are available, several H-ARQ process can be used to send several TB via different physical resource simultaneously.Such as, if two spatial flows are available in 2 × 2MIMO system, then two independent H-ARQ process can be used to send two TB via two spatial flows simultaneously.
Different physical resources (namely different subcarriers, antenna space wave beam, channelization code or time slot) can experience different channel qualities.The quality of each physical resource is determined by one or more CQI measurement.CQI can feed back from communication counterpart, or can obtain based on channel reciprocity.Also by license MCS and/or maximum transport block size represent CQI.
The H-ARQ process that controller 106 identifies available physical resources and associates with this available physical resources.Due to each H-ARQ process 102a-102n and specific physics resource associations, so when identifying available physical resources, also identify available H-ARQ process.Common TTI boundary start determine available physical resources and the H-ARQ process associated.Also can this association of semi-static configuration during multiple TTI.
Available physical resources be can during certain in for the amount of the independently spatial flow of transfer of data, subcarrier, channelization code and time slot.Available physical resources for a WTRU depends on multiple factor, the data rate etc. that the QoS level (such as priority, potentiality, fairness and buffer status) of the service that such as Node-B needs the quantity of the WTRU supported in one cell, the interference level from other community, the channel condition of WTRU, WTRU needs to support, WTRU needs are supported.
According to the present invention, many H-ARQ process 102a-102n simultaneously and run concurrently.Because H-ARQ process 102a-102n can adopt the re-transmission of varying number in order to Successful transmissions, and determine the varying number of re-transmission or the QoS demand of different TTI size because the data flow mapping to H-ARQ process 102a-102n can have, if so H-ARQ process step different from each other, then certain H-ARQ may be disabled.In arbitrary TTI, the H-ARQ process of any amount can become available.According to the present invention, in common TTI, more than one H-ARQ process becomes available with the one group of physical resource associated.The association between H-ARQ process and physical resource is coordinated by controller 106.
High level data stream 108a-108m (i.e. multiple streams of MAC or rlc protocol data cell (PDU)) is mapped at least two multiplexed H-ARQ process 102a-102n associated with them with link adaptation process 104a-104n by controller 106.In common TTI normalized for QoS, identical high level data stream 108a-108m and more than one multiplexed and link adaptation process 104a-104n and H-ARQ process 102a-102n can be mapped.By identical high level data stream or high level data stream group and multiple H-ARQ process being mapped, the QoS demand between H-ARQ process 102a-102n is common.In this case, eachly multiplexedly determine MCS, transmission block size, transmitted power, maximum H-ARQ transmission and transformation parameter according to the CQI of the physical resource group associated with link adaptation process 104a-104n, thus for the QoS of each transmission of realizing high level data stream or set of streams similar as far as possible.
Alternatively; also by based on data flow QoS demand and the CQI that associates with the physical resource group distributing to each H-ARQ process, the high level data stream 108a-108m that can divide into groups according to QoS demand and different H-ARQ process 102a-102n is carried out to map the error protection realizing not waiting.Such as, CQI can illustrate that one group of physical resource is better than other group physical resource.The high level data stream with higher QoS demand can map to the H-ARQ process associated with better physical resource.QoS demand, packet size, H-ARQ capacity etc. based on high level data stream determine the quantity of the high level data stream by mapping to specific H-ARQ process.Once determine each high level data stream that will specific H-ARQ process used to send, by carrying out these data flow multiplexed for the multiplexed of different H-ARQ process and link adaptation process 104a-104n.
Each multiplexed and link adaptation process 104a-104n reception input (CQI of the physical resource such as distributed, the buffer capacity etc. of maps data streams), and determine physical transmission parameters and H-ARQ configuration, to support the QoS demand of the high level data stream 108a-108m mapped with each H-ARQ process.Described physical transmission parameters comprises: through-put power, modulation and encoding scheme, TTI size, transmission block size and Wave beam forming pattern, sub-carrier allocation, mimo antenna configuration etc.H-ARQ configuration parameter comprises: H-ARQ mark, the maximum times, redundancy versions (RV), CRC size etc. that retransmit.Multiplexedly H-ARQ parameter is supplied to link adaptation process 104a-104n the H-ARQ process 102a-102n associated.
All physical resources that multiplexed and link adaptation process 104a-104n can adopt identical MCS, transmission block size, TTI size and/or transmitted power to have nothing to do to the quality with physical resource.Alternatively, multiplexed and link adaptation process 104a-104n can adopt different MCS, transmission block size, TTI size and/or based on channel condition transmitted power to different physical resources, to make maximizing performance.
When using AMC and the H-ARQ operation relying on physical resource, preferably, each data block distributing to each physical resource is associated with single CRC.By this scheme, what be distributed to different physical resource wholely does not need to be retransmitted when being grouped in error of transmission, because each transmission block associates with single CRC, and is processed by single H-ARQ process 102a-102n.
Then, multiplexed and link adaptation process 104a-104n after based on CQI and physical transmission parameters TB being selected to suitable TFC (i.e. TB size, TB group size, TTI size, modulation and encoding scheme (MCS), through-put power, antenna beam, sub-carrier allocation, CRC size, redundancy versions (RV) and map to the data block etc. of Radio Resource) from the high level data stream 112a-112m generation TB of distribution.One or more high level data stream can be multiplexed into a TB.Single CRC is added into each TB, for independent error detection and H-ARQ process.Each TB and the transformation parameter associated are provided to the H-ARQ process 102a-102n of distribution.Then, TB is sent via the H-ARQ process 102a-102n distributed respectively.
Before recipient can use transmission or blind Detecting technology carrys out decodes transport parameter, can will support the parameter of many H-ARQ process with Signal transmissions to recipient.By the TB of generation along with the transformation parameter of association is sent to H-ARQ process 102a-102n, for transmission.
Fig. 2 is the flow chart that the method 200 of many TB is transmitted in many H-ARQ process used according to the invention in TTI simultaneously.The channel quality (step 202) of available physical resources identifying available physical resources and associate with each H-ARQ process 102a-102n.Determine QoS demand and the buffer capacity (step 204) of high level data stream 112a-112m to be sent.It should be noted, the step in method 200 can perform with different orders, and some step available parallelisms perform.Such as, step 204 can be used on before step 202 or synchronously performs.
Controller 106 can determine the type of the high level data stream 112a-112m that TFC selects to process based on the qos parameter associated with those high level data streams.Controller 106 also can determine the order that high level data stream is serviced.By QoS demand or absolute priority determination processing sequence.Alternatively, determine high level data divide into groups the duration that can stop in H-ARQ queue process in serviceable bife span (life span) time parameter, thus controller 106 can distinguish order of priority or abandon based on described life span time parameter to high level data grouping.
By controller 106, high level data stream 112a-112m is mapped to each H-ARQ process 102a-102n.Physical transmission parameters and H-ARQ configuration are determined for each available H-ARQ process 102a-102n, with QoS (step 206) needed for the high level data stream 112a-112m supporting to map to each H-ARQ process 102a-102n.When having more than one H-ARQ process available for transmission in TTI, be necessary to determine which high level data stream 112a-112m is mapped to different H-ARQ process.High level data stream 112a-112m can have or not have similar QoS demand.
When extremely all high level data stream 112a-112m of different H-ARQ process or the subset of high level data stream 112a-112m to be mapped need similar QoS, then the QoS provided by H-ARQ process 102a-102n is carried out standardizing (namely in each TTI, regulate transformation parameter (such as MCS, TB size and through-put power) and H-ARQ configuration, select TFC, thus the QoS provided in H-ARQ process 102a-102n is similar).QoS by regulating the link adaptation parameters (such as MCS, TB size, through-put power etc.) between multiple H-ARQ process 102a-102n to realize between many H-ARQ process 102a-102n standardizes.Such as, availablely higher MCS is distributed to the physical resource with better channel quality, and lower MCS is distributed to the physical resource with poor channel quality.This can cause the multiplexed data block of the different sizes for different H-ARQ process.
Alternatively, when high level data stream 112a-112m needs different QoS, high level data stream 112a-112m can be mapped to the H-ARQ process 102a-102n associated with physical resource, and wherein said physical resource has the quality close to the QoS demand being matched with high level data stream 112a-112m.Use the advantage of many H-ARQ process to be its flexibility of flowing multiplexing logic channel or MAC, wherein said MAC stream has for the different QoS requirements of different H-ARQ process 102a-102n with the physical resource associated.When certain physics resource representation channel quality is better than other physical resource, the data with higher QoS are mapped to the H-ARQ process associated with this physical resource.Which increase the use of physical resource, and maximise throughput of system.Alternatively, or additionally, the maximum times of configurable MCS and/or re-transmission take distinguishing QoS as the QoS demand of closer matching logic channel or MAC stream.
After high level data stream 112a-112m is mapped to H-ARQ process 102a-102n, by the high level data stream 112a-112m associated with each H-ARQ process 102a-102n is carried out multiplexed, produce for each H-ARQ process 102a-102n (step 208) according to the physical transmission parameters and H-ARQ configuration that are used for each H-ARQ process 102a-102n respectively.Data multiplex for each H-ARQ process 102a-102n can sequential processes or parallel processing.Then, the H-ARQ process 102a-102n via association sends TB (step 210) simultaneously.
The TB of transmission or successfully may can not be received communication party.Failed TB is retransmitted in TTI subsequently.Preferably, the size of the TB of re-transmission remains on the formed objects that communication party carries out soft merging.Re-transmission for the TB of failure may have several to select.
Select according to first, the H-ARQ for TB retransmits the physical resource distributed and remains unchanged (namely retransmitting failed TB via identical physical resource and H-ARQ process).Transformation parameter and H-ARQ configuration (i.e. TFC) can be changed.Particularly, link adaptation parameters (such as sky line options, AMC or transmitted power) can be changed, to maximize the chance of the TB successfully transmitting re-transmission.When the TB in order to failure re-transmission and when changing link adaptation parameters, the parameter of change can be sent to recipient with signal.Selectively, recipient can adopt blind Detecting technology, to eliminate the signalling loads for the parameter changed.
Select according to second, the physical resource that the H-ARQ in order to transmission block retransmits and distributes dynamically can be reallocated (namely on different physical resources with identical H-ARQ process, retransmitting failed TB).The reallocation of physical resource can based on CQI or based on known frequency-hopping mode.
In another is selected, failed H-ARQ transmission can segmentation in many H-ARQ process, and each segmentation independently transmission is to increase the possibility of successful H-ARQ transmission.According to this selection, be reallocated (namely sending failed TB via different H-ARQ process) for the physical resource retransmitting TB.H-ARQ for sending failed TB in previous TTI is treated as available, for other TB arbitrarily of transmission in TTI subsequently.The quantity of maximum transmit power, 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, the TFCS subset of new license can be produced, to reflect that the physical resource for the TB of failure changes.New argument can be sent to recipient with signal, to ensure successfully to receive.Alternatively, blind Detecting technology can be adopted recipient, to eliminate the signalling loads for the parameter changed.
Embodiment
1. one kind uses many H-ARQ process in TTI, send the method for many TB in a wireless communication system.
2. as described in Example 1 method, comprises the step identifying available physical resources and the H-ARQ process associated.
3., as the method as described in arbitrary in embodiment 1-2, comprise the step of the channel quality measurement obtaining each available physical resources.
4., as the method as described in arbitrary in embodiment 1-3, comprise the step at least one high level data stream being mapped at least two H-ARQ process.
5. method as described in Example 4, comprises and determines that physical transmission parameters and H-ARQ are configured to the step of the QoS demand supporting the high level data stream mapping to each H-ARQ process.
6. as described in Example 5 method, comprises respectively according to the physical transmission parameters of each H-ARQ process and the H-ARQ configuration step from the raw TB of high level data miscarriage mapped.
7. method as described in Example 6, comprises the step simultaneously sending TB via H-ARQ process.
8., as the method as described in arbitrary in embodiment 5-7, wherein physical transmission parameters and H-ARQ configure the TFC comprised for each TB.
9. as the method as described in arbitrary in embodiment 2-8, wherein communication node comprises the multiple antennas for MIMO, and identifies available physical resources based on independently spatial data.
10., as the method as described in arbitrary in embodiment 2-9, wherein identify available physical resources based on independently frequency subcarriers.
11. methods as described in Example 10, wherein said subcarrier is distributed subcarriers.
12. methods as described in Example 10, wherein said subcarrier is centralized subcarrier.
13. as the method as described in arbitrary in embodiment 2-12, wherein identifies available physical resources based on independently channelization code.
14., as the method as described in arbitrary in embodiment 2-13, wherein identify available physical resources based on different time slots.
15. as the method as described in arbitrary in embodiment 2-14, wherein dynamically determines associating of physical resource and H-ARQ process.
16. as the method as described in arbitrary in embodiment 2-14, wherein semi-statically the associating of configures physical resource and H-ARQ process.
17. as the method as described in arbitrary in embodiment 4-16, further comprising the steps of: select the high level data stream treating to send in next TTI, thus only selected high level data stream is mapped to H-ARQ process.
18. methods as described in embodiment 17, wherein distribute life span time to the grouping on each high level data stream, thus carry out the selection for the grouping transmitted based on described life span time.
19. as the method as described in arbitrary in embodiment 5-18, wherein when the QoS demand of high level data stream is similar, determine physical transfer and H-ARQ configuration, thus the QoS between available H-ARQ process is similar.
20. methods as described in embodiment 19, wherein adopt the MCS of higher level for the H-ARQ process with high channel quality, for the more low-level MCS of H-ARQ process employing with lower channel quality.
21. as the method as described in arbitrary in embodiment 19-20, wherein based on the QoS demand of high level data stream mapping to H-ARQ process, each H-ARQ process is distributed to the maximum times retransmitted.
22. as the method as described in arbitrary in embodiment 5-18, wherein when the QoS demand of high level data stream is dissimilar, each high level data stream is mapped to the H-ARQ process associated with channel quality, described channel quality is close to the QoS demand being matched with high level data stream.
23. as the method as described in arbitrary in embodiment 5-18, and wherein when the QoS demand of high level data stream is dissimilar, the QoS demand based on the high level data stream mapping to H-ARQ process distributes the maximum times retransmitted to H-ARQ process.
24. as the method as described in arbitrary in embodiment 2-23, and wherein when the bust this of TB, the physical resource mapping to H-ARQ process does not change for the re-transmission of TB.
25. methods as described in embodiment 24, wherein physical transfer and H-ARQ are configured to the re-transmission of TB and change.
26. methods as described in embodiment 24, wherein to TB segmentation, for re-transmission.
27. as the method as described in arbitrary in embodiment 2-23, and wherein when the bust this of TB, the physical resource mapping to TB is that the re-transmission of TB changes.
28. as the method as described in arbitrary in embodiment 1-27, and wherein said wireless communication system is HSPA+ system.
29. as the method as described in arbitrary in embodiment 1-27, and wherein said wireless communication system is the LTE of 3G wireless communication system.
30. as the method as described in arbitrary in embodiment 2-29, wherein common TTI boundary start determine available physical resources and the H-ARQ process associated.
31. as the method as described in arbitrary in embodiment 5-30, and wherein said physical transmission parameters comprises the MCS for each TB.
32. methods as described in embodiment 31, wherein select the MCS being used for each TB, to distinguish the QoS demand of TB.
33. methods as described in embodiment 31, wherein select the MCS being used for each TB, thus the QoS of support are similar in H-ARQ process.
34. as the method as described in arbitrary in embodiment 5-33, and wherein said physical transmission parameters comprises the transmission block size for each TB.
35. methods as described in embodiment 34, wherein select the TB size being used for each TB to distinguish the QoS demand of TB.
36. methods as described in embodiment 34, wherein select the TB size being used for each TB, thus the QoS of support are similar between H-ARQ process.
37. 1 kinds use many H-ARQ process in TTI, send the equipment of many TB in a wireless communication system.
38. equipment as described in embodiment 37, comprise multiple H-ARQ process.
39. equipment as described in embodiment 38, comprise controller, be configured to the H-ARQ process identifying available physical resources and associate with this available physical resources, based on the channel quality of each available physical resources and the QoS demand of high level data stream, at least one high level data stream is mapped at least two H-ARQ process, and determines that physical transmission parameters and H-ARQ are configured to support the QoS demand of the high level data stream mapping to each H-ARQ process.
40. equipment as described in embodiment 39, comprise multiple multiplexed and link adaptation process, eachly multiplexedly associate with H-ARQ process with link adaptation process and be configured to configure from mapping to the high level data stream that covers multiplexed and link adaptation process according to the physical transmission parameters of each H-ARQ process and H-ARQ and produce TB.
41. equipment as described in embodiment 40, wherein each multiplexed and link adaptation process determines the TFC of the high level data stream mapped.
42. as the equipment as described in arbitrary in embodiment 39-41, and wherein said controller identifies available physical resources based on the independently spatial data produced by the multiple antennas for MIMO.
43. as the equipment as described in arbitrary in embodiment 39-42, and wherein said controller identifies available physical resources based on independently subcarrier.
44. equipment as described in embodiment 43, wherein said subcarrier is distributed subcarriers.
45. equipment as described in embodiment 43, wherein said subcarrier is centralized subcarrier.
46. as the equipment as described in arbitrary in embodiment 39-45, and wherein said controller identifies available physical resources based on independently channelization code.
47., as the equipment as described in arbitrary in embodiment 39-46, wherein identify available physical resources based on different time slots.
48. as the equipment as described in arbitrary in embodiment 39-47, wherein dynamically determines associating of physical resource and H-ARQ process.
49. as the equipment as described in arbitrary in embodiment 39-47, wherein semi-statically the associating of configures physical resource and H-ARQ process.
50. as the equipment as described in arbitrary in embodiment 39-49, and wherein said controller is configured to: select at least one high level data stream treating to send in next TTI and only selected high level data stream mapped to H-ARQ process.
51. equipment as described in embodiment 50, wherein distribute life span time to the grouping on each high level data stream, thus controller selects the grouping for transmitting based on described life span time.
52. as the equipment as described in arbitrary in embodiment 39-51, and wherein when the QoS demand of high level data stream is similar, described controller determination physical transfer and H-ARQ configuration, with the QoS that standardizes between available H-ARQ process.
53. equipment as described in embodiment 52, wherein adopt the MCS of higher order for the H-ARQ process with high channel quality, for the MCS of the lower order of H-ARQ process employing with lower channel quality.
54. equipment as described in embodiment 52, wherein based on the QoS demand of high level data mapping to H-ARQ process, distribute maximum times to each H-ARQ process and retransmit restriction.
55. as the equipment as described in arbitrary in embodiment 39-51, wherein when the QoS demand of high level data is dissimilar, high level data is mapped to the H-ARQ process associated with channel quality by controller, and described channel quality is close to the QoS demand being matched with high level data stream.
56. as the equipment as described in arbitrary in embodiment 39-51, and wherein when the QoS demand of high level data is dissimilar, the QoS demand based on the high level data stream mapping to H-ARQ process is distributed maximum times to H-ARQ process and retransmitted restriction.
57. as the equipment as described in arbitrary in embodiment 39-56, and wherein when the bust this of TB, controller is that the re-transmission of TB distributes identical physical resource.
58. equipment as described in embodiment 57, wherein said controller is that the re-transmission of TB changes physical transfer and H-ARQ configuration.
59. as the equipment as described in arbitrary in embodiment 57-58, wherein said controller to TB segmentation, for re-transmission.
60. as the equipment as described in arbitrary in embodiment 39-56, and wherein when the bust this of TB, described controller changes physical resource, for the re-transmission of TB.
61. as the equipment as described in arbitrary in embodiment 37-60, and wherein said wireless communication system is HSPA+ system.
62. as the equipment as described in arbitrary in embodiment 37-60, and wherein said wireless communication system is the LTE of 3G wireless communication system.
63. as the equipment as described in arbitrary in embodiment 39-62, wherein common TTI boundary start determine available physical resources and the H-ARQ process associated.
64. as the equipment as described in arbitrary in embodiment 39-63, and wherein said physical transmission parameters comprises the MCS for each TB.
65. equipment as described in embodiment 64, wherein select the MCS being used for each TB, to distinguish the QoS demand of TB.
66. equipment as described in embodiment 64, wherein select the MCS being used for each TB, thus the QoS of support are similar between H-ARQ process.
67. as the equipment as described in arbitrary in embodiment 39-66, and wherein said physical transmission parameters comprises the transmission block size for each TB.
68. equipment as described in embodiment 67, wherein select the TB size being used for each TB to distinguish the QoS demand of TB.
69. equipment as described in embodiment 67, wherein select the TB size being used for each TB, thus the QoS of support are similar between H-ARQ process.
Although characteristic sum element of the present invention is described specifically to combine in a preferred embodiment, but each feature or element can be used alone when not having other characteristic sum elements of described preferred implementation, or with or the various situations that are not combined with other characteristic sum elements of the present invention under use.The method provided in the present invention or flow chart can to implement by the mode of practical embedding computer program in a computer-readable storage medium, software and the firmware performed by all-purpose computer or processor.The example of computer-readable recording medium comprises read-only memory (ROM), random access storage device (RAM), register, buffer storage, semiconductor storage unit, magnetizing mediums (such as internal hard drive and removable dish), magnet-optical medium and light medium (such as CD-ROM dish and digital versatile disc (DVD)).
By example, suitable processor comprises: general processor, application specific processor, conventional processors, digital signal processor (DSP), multi-microprocessor, one or more associate with DSP core microprocessor, controller, microcontroller, application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA) circuit, any other type integrated circuit (IC) and/or state machine.
The radio frequency transceiver implementing to use in wireless transmitter receiver unit (WTRU), subscriber equipment (UE), terminal, base station, radio network controller or any main frame is can be used for the processor of software context.Can be combined with module and use WTRU, and implement in hardware and/or software, such as camera, video camera module, visual telephone, speakerphone, vibrating device, loud speaker, microphone, television transceiver, hand-free receiver, keyboard,
module, frequency modulation(FM) (FM) radio-cell, liquid crystal display (LCD) display unit, Organic Light Emitting Diode (OLED) display unit, digital music player, media player, video game player module, Internet-browser and/or any WLAN (wireless local area network) (WLAN) module.
Claims (13)
1. the multiple transmission block of use (TB) in Transmission Time Interval (TTI) transmits a method for higher-layer data stream, and the method comprises:
Send the CQI (CQI) of each set at least two set being used for uplink physical resource, each set wherein in uplink physical resource is associated with different frequency;
Receive two uplink physical resource to distribute, wherein each uplink physical resource is distributed and is comprised modulation and encoding scheme (MCS) and the t easet ofasubcarriers that is associated with different frequency, wherein the distribution of each uplink physical resource processes from different mixed automatic repeat request (H-ARQ) and is associated, and wherein each uplink physical resource is distributed based on described CQI designator and supported service quality (QoS) demand of described higher-layer data stream;
Be multiplexed at least two TB by described higher-layer data stream, wherein each TB is associated from the one in different H-ARQ process; And
In described TTI via the one in the described different H-ARQ process be associated from each TB to transmit each in described TB.
2. method according to claim 1, comprises further:
Described higher-layer data stream is mapped to more than one multiplexed and link adaptation process, and wherein each multiplexed and link adaptation process is associated from the one in described different H-ARQ process in common TTI normalized for QoS.
3. method according to claim 1, the described QoS demand of wherein crossing over different H-ARQ process is common.
4. method according to claim 1, is included in further in described TTI and transmits described TB via described different H-ARQ process simultaneously.
5. method according to claim 1, wherein said transmission is that the multiple antenna of use performs and described two uplink physical resource distribute the identifier comprised based on separate space data crossfire.
6. one kind uses multiple transmission block (TB) to transmit the wireless transmitter/receiver unit (WTRU) of higher-layer data stream in Transmission Time Interval (TTI), and this WTRU comprises:
Be configured to the circuit of the CQI (CQI) transmitted for each set at least two set of uplink physical resource, each set wherein in uplink physical resource is associated with different frequency;
Wherein said circuit is configured to reception two uplink physical resource further and distributes, wherein each uplink physical resource is distributed and is comprised modulation and encoding scheme (MCS) and the t easet ofasubcarriers that is associated with different frequency, wherein the distribution of each uplink physical resource processes from different mixed automatic repeat request (H-ARQ) and is associated, and wherein each uplink physical resource is distributed based on described CQI designator and supported service quality (QoS) demand of described higher-layer data stream; And
Wherein said circuit is configured to described higher-layer data stream to be multiplexed at least two TB further, wherein each TB be associated from the one in described different H-ARQ process and in described TTI via the one in the described different H-ARQ process be associated with each TB to transmit each in described TB.
7. WTRU according to claim 6, comprise the circuit being configured to described higher-layer data stream be mapped to more than one multiplexed and link adaptation process further, wherein each multiplexed and link adaptation process is associated from the one in described different H-ARQ process in common TTI normalized for QoS.
8. WTRU according to claim 6, the described QoS demand of wherein crossing over described H-ARQ process is common.
9. WTRU according to claim 6, comprises the circuit being configured to simultaneously transmit described TB via described different H-ARQ process in described TTI further.
10. WTRU according to claim 6, comprise the circuit being configured to use multiple antenna to transmit two uplink physical resource to distribute further, wherein said two uplink physical resource distribute the identifier comprised based on separate space data crossfire.
11. 1 kinds of evolved node-B (eNB), comprising:
Be configured to receive the CQI (CQI) for each set at least two set of uplink physical resource, each set wherein in uplink physical resource is associated with different frequency;
Wherein said circuit is configured to transmission two uplink physical resource further and distributes, wherein each uplink physical resource is distributed and is comprised modulation and encoding scheme (MCS) and the t easet ofasubcarriers that is associated with different frequency, wherein the distribution of each uplink physical resource processes from the different mixed automatic repeat request (H-ARQ) at wireless transmitter/receiver unit (WTRU) place and is associated, wherein each uplink physical resource is distributed based on described CQI designator and is supported in service quality (QoS) demand of the higher-layer data stream in described WTRU, and
Be configured to receive based on described two uplink physical resource distribution and process the circuit of at least two transmission blocks (TB) in the Transmission Time Interval (TTI) from described WTRU.
12. eNB according to claim 11, the described QoS demand of wherein crossing over described H-ARQ process is common.
13. eNB according to claim 11, wherein said two uplink physical resource distribute the identifier comprised based on separate space data crossfire.
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| CN108282248A (en) * | 2017-01-05 | 2018-07-13 | 电信科学技术研究院 | A kind of data transmission method, network side equipment and user equipment |
| CN108282248B (en) * | 2017-01-05 | 2020-11-27 | 电信科学技术研究院 | Data transmission method, network side equipment and user equipment |
| WO2023060379A1 (en) * | 2021-10-11 | 2023-04-20 | Zte Corporation | Methods, devices, and systems for mapping multiple transport blocks in time domain |
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| CA2635874A1 (en) | 2007-07-12 |
| IL192505A0 (en) | 2009-02-11 |
| AU2006332827A1 (en) | 2007-07-12 |
| KR101504861B1 (en) | 2015-03-30 |
| KR20140039341A (en) | 2014-04-01 |
| TWI574525B (en) | 2017-03-11 |
| BRPI0621169A2 (en) | 2011-11-29 |
| KR101516143B1 (en) | 2015-05-04 |
| KR101419819B1 (en) | 2014-07-17 |
| KR101516137B1 (en) | 2015-05-04 |
| TW200729814A (en) | 2007-08-01 |
| IL192505A (en) | 2013-11-28 |
| KR20140101016A (en) | 2014-08-18 |
| TW201605194A (en) | 2016-02-01 |
| JP2009522870A (en) | 2009-06-11 |
| WO2007079058A3 (en) | 2008-01-03 |
| MX2008008549A (en) | 2008-09-10 |
| CN104539390B (en) | 2018-08-28 |
| EP1969751A2 (en) | 2008-09-17 |
| KR20080083715A (en) | 2008-09-18 |
| KR20080080669A (en) | 2008-09-04 |
| TWI427958B (en) | 2014-02-21 |
| AR058880A1 (en) | 2008-02-27 |
| TW201433119A (en) | 2014-08-16 |
| KR20130130097A (en) | 2013-11-29 |
| WO2007079058A2 (en) | 2007-07-12 |
| BRPI0621169B1 (en) | 2020-01-14 |
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