CN101479981A - Transmit driver data communication - Google Patents
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- CN101479981A CN101479981A CNA2007800242210A CN200780024221A CN101479981A CN 101479981 A CN101479981 A CN 101479981A CN A2007800242210 A CNA2007800242210 A CN A2007800242210A CN 200780024221 A CN200780024221 A CN 200780024221A CN 101479981 A CN101479981 A CN 101479981A
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Abstract
Aspects describe a transmit driver that processes data communication between a scheduler and a turbo encoder. Transmit driver receives a request for a super frame and ascertains whether it has enough information to start the super frame. If there is enough data, the super frame is written to an appropriate hardware register. Both Direct Memory Access (DMA) and non-DMA hardware can be supported with the one or more aspects. In an aspect, a method is provided for data transmission. The method includes obtaining data comprising one or more logical channels wherein each of the logical channels comprises one or more code blocks, and wherein each of the code blocks comprises one or more turbo groups, organizing the data based on the one or more code blocks to produce time-sequenced turbo groups, and outputting the time-sequenced turbo groups.
Description
Priority request according to 35 U.S.C § 119
The exercise question that present patent application requires on June 26th, 2006 to submit to is the provisional application No.60/816 of " MULTIPLEX SERVER (MUX) ", 698 priority, this provisional application has transferred the application's assignee, thereby clearly it is incorporated herein by reference.
Technical field
Below explanation is usually directed to communication system, relates in particular to the transfer of data in the communication system.
Background technology
The technology of broadcasting high rate data signals of a kind of being used for (by mobile standard) (for example, high frame rate video) is OFDM (OFDM).OFDM is a kind of parallel transmission communication plan, and it is divided into a large amount of low rate stream with a high-rate data stream, and transmits simultaneously by isolated a plurality of subbands on characteristic frequency or tone.The accurate interval of frequency provides the orthogonality between tone.Orthogonal frequency can reduce or eliminate crosstalking or disturbing in the signal of communication.Except high transfer rate with suppressing to disturb, because frequency can not have mutually crossover intrusively, so can obtain spectral efficient.
Radio communication service provider industry group has been developed the multicasting technology of transmitting multimedia, so that utilize the latest developments of system design aspect to obtain the performance of first water.The technology of accepting such as the industry of single forward link (FLO, Forward Link Only) and digital video broadcasting (DVB) is at the mobile multimedia environment, and is suitable for mobile subscriber equipment and uses.Specifically, the FLO technology can provide strong travelling performance and high power capacity and not damage power consumption.In addition, this technology reduces the network cost that transmits content of multimedia by the number of the base station transmitter of the required deployment of minimizing.In addition, complement one another, give identical mobile device delivery of content based on the FLO technology of multimedia multicast and the cellular network data and the voice service of cellular carrier.
Multi-cast system is supported dissimilar business, such as real time business, non-real-time service, IP data broadcast service and common overhead traffic.Real time business comprises the flow transmission (for example, audio frequency, Voice ﹠ Video and the like) of media content.Non-real-time service comprises the transmission of media file (short-movie), these media files can be existed on the equipment, and by the user it be conducted interviews during the available period of plan.Non-real-time service can refer to the short-movie broadcasting service.The IP data broadcast service is the wireless IP multicast service that is used for widespread adoption.Common overhead traffic has been carried overhead data.
Different service types requires different service quality (QoS).For example, real time business has strict delay requirement, but can tolerate some bag mistake.Non-real-time service need be delivered to the equipment place before the available period of bulletin, and therefore non-real-time service has the deadline date that is associated.Non-real-time service transmits as file (for example, short-movie), therefore should meet strict bag mistake and eliminate.The QoS necessity of IP data broadcast service depends on the application purpose that this is professional.Common overhead traffic has been carried important overhead information, should postpone to receive this information to hang down to obtain at the equipment place.Therefore, common overhead traffic should have low the delay and low packet error rate.In multi-cast system, the various functions required QoS of cooperation acquisition different business is together arranged.Can be with the common called after resource management function of these functions.
Efficient data communication meeting reduces system delay and error rate.Therefore, need a kind of efficient data communication technique in the wireless network that provides.
Summary of the invention
For the basic comprehension of some aspect in these aspects is provided, provided the short summary of an aspect or many aspects below.This summary is not the extensive overview of this aspect or many aspects, neither in order to determine the crucial or important key element of these aspects, neither be in order to describe the scope of these aspects.Its sole purpose is some notion that described aspect is provided with simple form, with this as the prelude that is described in more detail that provides after a while.
According to one or more aspects and corresponding open, the binding data transput declaration many aspects.According to the aspect method that is a kind of transfer of data.This method comprises the sorted lists that keeps a turbo group.Logic channel (LC) can comprise about four or more a plurality of turbo group.A turbo group can comprise about four turbo bags (packet).This method also comprises from the request of encoder reception to superframe, and determines whether that by analyzing the turbo Groups List that is kept enough data can be used for handling this superframe.If there are enough data to use, then this superframe is sent to the one or more registers that are associated with direct memory access (DMA) nextport hardware component NextPort or non-direct memory access (DMA) nextport hardware component NextPort.
According to another aspect is a kind of equipment of transfer of data.This equipment comprises receiver, storage medium, analyzer and write device.Receiver can receive the request to superframe, and storage medium can keep the tabulation of turbo group.In case receiver is received request, analyzer can be analyzed the turbo Groups List that is kept, and has determined whether that based on the request that is received data can be used for beginning a superframe.If there are data to use, write device writes this superframe in the hardware register.
In one aspect of the method, the computer readable medium with the computer program that is used for transfer of data has kept the turbo Groups List.This computer program further receives the request to superframe, and the turbo Groups List that analysis is kept is to have determined whether that based on the request that is received data can be used for beginning superframe.If have data to use, this superframe be written in the hardware register.
And in one aspect of the method, the equipment that is used for data communication comprises: be used to keep the turbo Groups List device, be used to receive the device of superframe request and be used to check keep the tabulation to determine whether that data can be used for finishing the device of this request.If there are data to can be used for finishing this request, be used for the data of being asked to the device output of register superframe transmissions.
According to another aspect is to carry out the processor of data communication instruction.This instruction comprises sorts to the turbo Groups List; One of them turbo group comprises at least four turbo bags, and a logic channel (LC) comprises that at least four comprise the groups that four turbo wrap, and store the turbo Groups List after the ordering.These instructions also comprise the request of reception to superframe, determine whether that by analyzing the turbo Groups List of being stored enough data can be used for handling this superframe.If have enough data to use, this superframe exported to nextport hardware component NextPort.
In one aspect, provide a kind of method that is used for transfer of data.This method comprises: obtain to comprise the data of one or more logic channels, wherein each logic channel comprises one or more code blocks, and wherein each code block comprises one or more turbo groups; Organize data based on these one or more code blocks, with the turbo group of generation time order; And the turbo that exports this time sequencing organizes.
In one aspect, provide a kind of equipment that is used for transfer of data.This equipment comprises: configuration is used to obtain comprise the input logic of the data of one or more logic channels, and wherein each logic channel comprises one or more code blocks, and wherein each code block comprises one or more turbo groups; Configuration is used for organizing the processing logic of data with the turbo group of generation time order based on these one or more code blocks; And configuration is used to export the output logic of this time sequencing turbo group.
In one aspect, provide a kind of equipment that is used for transfer of data.This equipment comprises: be used to obtain comprise the device of the data of one or more logic channels, wherein each logic channel comprises one or more code blocks, and wherein each code block comprises one or more turbo groups; Be used for organizing the device of data with the turbo group of generation time order based on these one or more code blocks; And the device that is used to export this time sequencing turbo group.
In one aspect, provide a kind of computer readable medium with the computer program that comprises instruction, wherein when carrying out this instruction by at least one processor, operation is used to provide data transmission system.This computer program comprises: be used to obtain comprise the instruction of the data of one or more logic channels, wherein each logic channel comprises one or more code blocks, and wherein each code block comprises one or more turbo groups; Be used for organizing the instruction of data with the turbo group of generation time order based on these one or more code blocks; And the instruction that is used to export this time sequencing turbo group.
In one aspect, provide at least one configuration to be used to carry out the processor of data transmission method.This method comprises: obtain to comprise the data of one or more logic channels, wherein each snoop logic channel comprises one or more code blocks, and wherein each code block comprises one or more turbo groups; Organize the turbo group of data based on these one or more code blocks with the generation time order; And export this time sequencing turbo and organize.
In order to realize aforesaid with relevant purpose, one or more aspects comprise following full-time instruction and the various features of specifically noting in the claims.Describe following explanation and appended each figure in detail with some illustrative aspects, and only shown some modes in the variety of way that can adopt these aspect principles.According to the following explanation in conjunction with appended each figure, other advantage and new feature will become apparent, and disclosed aspect is intended to comprise all these aspects and equivalent thereof.
Description of drawings
Fig. 1 is the block diagram of a data transmission system;
Fig. 2 is the system block diagram that multiplexing server (MUX) external interface has been described, this system comprises the transmit driver subsystem;
Fig. 3 is the flow chart that the interactive operation of transmit driver is opened in expression;
Fig. 4 is the flow chart that the interactive operation of transmit driver is closed in expression;
Fig. 5 is the flow chart of expression according to the interactive operation of one or more aspect transmission superframes disclosed herein;
Fig. 6 is the flow chart of expression according to the diagnosing sequence of disclosed aspect;
Fig. 7 is a data communication system of utilizing transmit driver;
Fig. 8 is the method for carrying out data communication according to these aspects disclosed herein;
Fig. 9 shows according to one or more disclosed aspects is convenient to carry out data communications system between transmit driver and subscriber equipment in wireless communications environment;
Figure 10 shows the system according to various aspects coordinating communication in wireless communications environment;
Figure 11 shows can be in conjunction with the wireless communications environment that various system and method adopted of this paper explanation;
Figure 12 shows the data communication system according to each side;
Figure 13 shows the superframe that is fit to by the each side processing of transmit driver;
Figure 14 shows the figure that expression comprises the superframe of a plurality of logic channels;
Figure 15 shows an aspect of transmit driver;
How the aspect that Figure 16 shows by transmit driver is organized as time sequencing turbo group with a plurality of turbo of superframe;
Figure 17 shows a kind of method that an aspect of transmit driver is provided;
Figure 18 shows a kind of method that an aspect of transmit driver is provided;
Figure 19 shows an aspect of transmit driver.
Embodiment
With reference now to appended each figure explanation various aspects.In illustrating below, for explanatory purposes, for the thorough that one or more aspects are provided has been set forth a large amount of specific detail.Yet, obviously can need not these specific detail and realize this (a bit) aspect.In other example, these aspects for convenience of explanation show known structure and equipment with the form of block diagram.
As employed in this application, term " assembly ", " module ", " system " etc. mean computer related entity, both can be the combination and the software of hardware, firmware, software and hardware, also can be operating software.For example, assembly can but to be not limited to be to operate in processing procedure on the processor, processor, object, executable file, execution thread, program and/or computer.By the mode of example, the application and the computing equipment that operate on the computing equipment can be assemblies.One or more assemblies can be positioned at processor and/or execution thread, and an assembly can and/or be distributed between two or more computers on a computer.In addition, can carry out these assemblies from the various computer readable mediums that store various data structures.For example, according to signal (for example with one or more packets, data from an assembly, this assembly is by the network and the operation of other system interaction of another component interaction operation and/or leap such as the Internet in this signal and the local system, in the distributed system), these assemblies can communicate by the mode of this locality and/or teleprocessing.
In addition, this paper has illustrated various aspects in conjunction with subscriber equipment.Subscriber equipment also can be called as system, subscriber unit, subscriber station, mobile radio station, mobile device, distant station, access point, base station, remote terminal, accesses terminal, mobile phone, main frame, user terminal, terminal, user agent or subscriber's installation.Subscriber equipment can be that cell phone, cordless telephone, conversation initialized protocol (SIP) phone, wireless local loop (WLL) are stood, PDA, have the handheld device of wireless connections ability or other and be connected to treatment facility on the radio modem.
In addition, the various aspects or the feature of this paper explanation can be embodied as a kind of method, device or adopt manufacturing a product of standard program and/or engineering.The term that this paper the adopts meaning that " manufactures a product " is to comprise accessible computer program on any computer readable device, carrier or the media.For example, computer readable medium (for example can include but not limited to magnetic storage apparatus, hard disk, floppy disk, tape ...), CD (for example, compact disc (CD), DVD (DVD) ...), smart card and flash memory device (for example, card, rod, key drive ...).
To represent various aspects in the mode of system, system can comprise a plurality of assemblies, module etc.Be to be understood that and recognize that the various systems that discuss in conjunction with each figure can comprise other assembly, module etc., and/or can not comprise all assemblies and module etc.Also can adopt the combination of these means.
With reference now to each figure,, Fig. 1 shows the system 100 that is used for transfer of data.System 100 can be configured to data are offered hardware go up to distinguish priority with the time mode by aerial transmission, wherein can distinguish priority to data according to primary sign.In order to fully understand one or more aspect disclosed herein, the brief review of communication concept will be discussed now.One frame is a packet, and its data channel is made up of 295 OFDM symbols and seven time slots.Crosspoint between symbol and the time slot is called one " data slot ", and every frame has 2065 data time slots altogether.A Turbo comprises the data of 125 bytes, and (RS, Reed-Solomon) code block comprises 16 turbo bags to a Read-Solomon.A logic channel (LC) can comprise one or more RS code blocks.
A superframe comprises local overhead information symbol (LOI), wide area overhead information symbol (WOI) and about four frame LC data.Media Stream can be transmitted as the one group of LC that is distributed on a plurality of superframes.In order to transmit, each RS code block of a LC is divided into about four groups, every group comprises four turbo bags.A group that comprises four turbo bags in given RS code block of every frame transmission.
Again with reference to figure 1, system 100 can buffer memory be equivalent to the data of two superframes at least in same time basically.For example, a data superframe can be transmitted in system 100, sets up next superframe simultaneously.For non-direct memory access (DMA) (non-DMA) hardware, should be arranged at least two symbols of leap to LC.System 100 can be configured to support about 256 LC of each superframe and about 256 the RS code blocks of each LC.Each superframe should support to comprise a local overhead information data group of about seven turbo bag and a wide area overhead information data set that comprises about seven turbo bag, and wherein overhead information symbol (OIS) can comprise the information of 256 LC altogether.
Scheduler 104 (being also referred to as transmission (Tx) driver client) can carry out interactive operation by various function calls and transmit driver 102, and these function calls comprise: TxOpen (transmission is opened) function call, TxClose (transmission is closed) function call, TxSuperFrameSend (the transmission superframe sends) function call and/or TxDiagnostic (transmission diagnosis) function call.Scheduler 104 can the TxOpen function distributes or given transmission driver 102 by calling.Along with (embedded or separate) function call, can provide a call back function pointer.Can utilize the time that this call back function notice client or scheduler 104 superframes finish and the condition of makeing mistakes (for example, superframe of transmit driver request, but before overtime expiration, do not receive this superframe, or the like).Turbo encoder 106 can wrong (for example, data transmission fault or the like) occur by transmit driver 102 notice schedulers 104.In order to discharge (deallocate) transmit driver 102, scheduler 104 can call the TxClose function call.
By calling the TxSuperFrameSend function call, transmit driver client or scheduler 104 can offer medium transmit driver 102, and a superframe once is provided.The LC tabulation that scheduler 104 can provide LOI data, WOI data and can transmit during this superframe.But when the superframe buffer time spent, transmit driver 102 can double buffer memory superframe and notice scheduler 104.When scheduler 104 calls the TxDiagnostic function and provide suitable diagnostic data to carry out diagnostic function, can realize such diagnostic function.
Transmit driver 102 can be operated on computers, and this computer also can be dispatched, Reed Solomon Coding and/or other consistency operation.Like this, processing should be the most efficiently with regard to the CPU time.In computer environment, can increase memory with the cost of minimum, therefore when using, CPU can utilize memory when using memory to reduce.Can the data copy be minimized by pointer being passed to the individual data example, because client needs at least two data superframes of buffer memory, so above-mentioned transmission pointer can cause more memory to use.
For non-DMA hardware, turbo encoder 106 can use little buffer, and can continue interactive operation so that data flow is provided with transmit driver 102.This can handle and reach by low delay, high-priority interrupt.Can adopt a kind of thread-safe design of not using semaphore (semaphore) visit protection.According to some aspect, client can provide most metadata cache, therefore can use the RAM of the static allocation that is less than about kilobytes.
In order to understand the context of one or more aspects disclosed herein better, Fig. 2 is the block diagram that the system 200 of multiplexing server (MUX) external interface is shown, and this system has comprised the transmit driver subsystem.System 202 can comprise MUX 202, code converter service node (FSN) 204, real-time media server (RTMS) 206, network operation center (NOC) 208, log component 210 and transmit driver (TxD) subsystem 212.TxD subsystem 212 can comprise the various assemblies of finishing its function, comprises scheduler, transmit driver and/or turbo encoder.Transmit driver subsystem 212 can with the interface of transmitter 214,214 configurations of this transmitter are used for exporting by air communication.In TxD subsystem 212 consumption datas, FSN204 and RTMS 206 can produce data.NOC 208 and daily record 210 have respectively to the interface of MUX 202.
MUX 202 is the assemblies that belong to multicast network, can realize the air interface stack for transmitter subsystem, and can carry out interactive operation, so that the data (" superframe ") that acquisition will be transmitted on the per second basis with other assembly (for example, the code converter service node).Can dispatch by MUX 202, so that determine to flow the size that can allow for each according to the characteristics and their the instant bandwidth demand of stream.Then, MUX 202 can format data and message, and this data and message are passed to transmit driver subsystem 212, and (for example, wireless) further transmits or export so that pass through in the air.
But MUX 202 have with FSN subsystem 204 and with the operation-interface of TxD subsystem 212.Management interface can comprise interface and the interface that is used for log component 210 with NOC208.Each interface can utilize different mechanism to communicate.For example, NOC 208 can use Simple Network Management Protocol (SNMP) and MUX 202 to communicate.Can send log packet with transmission control protocol (TCP).Signaling in RTMS 206 and FSN 204 interfaces and carrying data can use message transport layer (MTL) (perhaps TCP (TCP/IP)) message to communicate.TxD subsystem 212 interfaces can be made up of function call.Can utilize this function call to ask superframe from MUX202.Then, TxD subsystem 212 can directly be passed to the turbo encoder with superframe, perhaps for example can utilize the MPEG2 transport stream format to come they are formatd so that transmit on ASI.
Fig. 3 is the flow chart 300 that the interactive operation of transmit driver is opened in expression.As shown in the figure, transmit driver 302 provides the interface between scheduler 304 and the turbo encoder 306.Scheduler 304 provides LC data flow to transmit driver 302, and transmit driver 302 receives this LC data flow and it is encoded so that (for example, wireless) transmission aloft.
By calling TxOpen function call 308, client or scheduler 304 distribute or given transmission driver 302.Can comprise a call back function pointer, as the part (perhaps sending simultaneously basically) of TxOpen function 308 with TxOpen function 308.When a superframe is finished and/or when makeing mistakes condition, transmit driver 302 utilizes this call back function pointer to notify scheduler 304.Can mistake occur by notice scheduler 304, come the processing memory distribution malfunctions.
Receive TxOpen function 308 basically simultaneously or afterwards, 302 pairs of turbo encoders 306 with its interface of transmit driver carry out initialization, and on this encoder, move initial diagnostic test 310.In the while basically of carrying out diagnostic test, perhaps after test was finished, 302 pairs of hardware that are associated with turbo encoder 306 of transmit driver were configured 312.When the turbo encoder is ready to, send to 302 1 of transmit drivers and notify 314, and transmit driver 302 notice scheduler 304 it be ready to receive superframe 316.
Fig. 4 is the flow chart 400 that the interactive operation of transmit driver is closed in expression.In case when receiving TxClose function call 408, transmit driver 402 can be scheduled, and device 404 is removed distribution or cancellation is selected.In the while basically that receives TxClose function call 408, transmit driver 402 sends idle signals 410, so that hardware or turbo encoder 406 are placed idle condition and discharges internal resource.
Fig. 5 is expression sends the interactive operation of superframe according to an one or more aspects disclosed herein flow chart 500.Transmit driver 502 provides interface between scheduler 504 and turbo encoder 506.Scheduler 504 calls TxSuperFrameSend 508 and sends the data superframe to transmit driver 502.By calling TxSuperFrameSend function call 508, scheduler 504 can provide medium to transmit driver 502, and a superframe once is provided.Scheduler 504 can provide LOI data, WOI data and a row LC who will send during this superframe.Transmit driver 502 is write OIS data 510 in hardware or the turbo encoder 506.Transmit driver 502 is also write one or more turbo groups 512 in the turbo encoder 506.For example, transmit driver 502 can be write LC1 frame 1 turbo group 1 at 512 places.Transmit driver 502 waits for that receiving its buffer of expression from turbo encoder 506 is the signal of sky 514.Transmit driver 502 can carry out two buffer memorys to superframe, and can continue to write the turbo group, is consumed or disposes until this superframe.When treated superframe, transmit driver 502 can be with 516 by the indication buffer, notify scheduler 504 it get ready for next superframe.
Fig. 6 is a flow chart 600 representing diagnosing sequence according to disclosed aspect.Can periodically, automatically or manually carry out diagnostic test, to guarantee the system component proper operation.In order to call diagnosing sequence, scheduler 604 sends the TxDiagnostic function so that initiate diagnostic test to transmit driver 602.TxDiagnostic function call 608 can comprise suitable diagnostic data.Transmit driver 602 carries out diagnostic test 610 on hardware or turbo encoder 606.
Fig. 7 shows data transmission system 700.System 700 comprises transmit driver 702, scheduler or transmission client 704 and turbo encoder 706.Transmit driver 702 can provide the interface between scheduler 704 and the turbo encoder 706.For example, system component 702,704 and 706 can be positioned on the computer.In order to realize its various functions, transmit driver 702 can comprise receiver/transmitter 708, storage medium 710, analyzer 712 and write device 714.
Receiver/transmitter 708 can be configured to call from the scheduler receiver function, distribute transmit driver 702 thereby sequence is opened in initiation, initiate shutdown sequence so that releasing distributes transmit driver 702, one of initiation to call so that send the data superframe and/or carry out diagnostic test.Receiver/transmitter 708 can further be write data in the turbo encoder 706, and these data that wherein will write are relevant with the function call that receives from scheduler 704.Information from turbo encoder 706 can be sent to transmitter 716 and carry out subsequent treatment, and its output is transmitted to pass through aerial (for example, wireless).Receiver 708 can be from the 706 further requests that receive superframe of turbo encoder.
Storage medium 710 can be configured to keep or store a row turbo group, and can be further come these turbo groups are sorted according to the primary sign of these turbo groups and other appropriate information relevant with data transmission system 700.Replacedly, can carry out this function by the processor (not shown) that is associated with transmit driver 702.For example, storage medium 710 can be the memory that is operably connected with transmit driver 702.It should be understood that storage (for example, memory, the storage medium) assembly that this paper illustrates both can be volatile memory or nonvolatile memory, also can comprise volatibility and nonvolatile memory.The unrestricted mode by example, nonvolatile memory can comprise read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically-erasable ROM (EEPROM) or flash memory.Volatile memory can comprise the random-access memory (ram) as outside speed buffering (cache) memory.The unrestricted mode by example, RAM can provide in a variety of forms, such as synchronous random access memory (DRAM), dynamic ram (DRAM), synchronous dram (SDRAM), Double Data Rate SDRAM (DDRSDRAM), enhancement mode SDRAM (ESDRAM), synchronization links DRAM (SLDRAM) and direct type RambusRAM (DRRAM).The storage medium 710 of disclosed aspect is wanted to comprise but not is limited to the memory of these or other adequate types.
When receiver 708 receives request from turbo encoder 706, this this turbo encoder 706 of request expression can receive another superframe, for example, analyzer 712 can be analyzed or determines whether that enough data begin another superframe by accessing storage media 710.If data can be used, driver 702 is written to superframe in the hardware register suitable on the turbo encoder 706 by write device 714.Turbo encoder 706 can be indicated the availability of ping-pong buffer for seven independent LC of as many as.For example, transmit driver 702 can travel through (traverse) ordering LC tabulation, and writes first turbo group at seven LC of the as many as that finds in this tabulation.For each turbo group, can write suitable control information (for example, primary sign, initial time slot, highly, coding mode ...).The processing procedure of can rechecking buffer availability and writing the turbo group is up to finishing or handled superframe.
According to some aspect, can utilize non-direct memory access (DMA) (non-DMA) nextport hardware component NextPort.This hardware can be by the availability of interrupt notification transmit driver 702 about buffer.The next turbo group (if any) that can comprise the LC that transmits given frame to the processing of interrupting.If this LC of given frame finishes, choose the next LC of this given frame in the LC tabulation of sorting that can be from be kept at storage medium 710.When handling whole frame, can begin next frame, and then carry out similar processing, so that finish next frame or follow-up a plurality of frame.When handling whole superframe, can begin next superframe and then carry out similar processing.
In some aspects, hardware supports is by the DMA of pci bus.In these areas, can read all turbo groups of about seven LC of as many as of given frame to hardware programming.When having consumed the LC of given frame, hardware can pass through interrupt notification transmit driver 702.Can from ordering LC tabulation, select the next LC of this given frame, and can initiate DMA and transmit.When finishing the processing of entire frame, can begin next frame, then carry out similar processing.When handling whole superframe, can begin next frame, then carry out substantially similar processing.In some aspects, transmit driver 702 can copy turbo group in the temporary buffer to, make with particular frame that given LC is associated in all turbo organize and all be in the connected storage.
In view of the above example system that illustrates and illustrate, can be familiar with the whole bag of tricks that to realize according to the one or more aspects in the each side better with reference to figure 8.Yet, purpose for simplified illustration, this method is shown and described as a series of function square frames, because according to these methods, some square frame can occur with different orders and/or with illustrated and described other square frame of this paper is parallel, not limit by the order of these square frames so be to be understood that and recognize this method.In addition, be not that the square frame of requirement shown in all carried out the corresponding to method in one or more aspects with disclosed each side.It should be understood that and to realize various square frames by software, hardware, combination thereof or any other appropriate device (for example, equipment, system, process and assembly) of each square frame correlation function that can realize.To recognize that also these square frames only are to represent some aspect provided herein in simplified form, can these aspects be shown by the square frame of more number still less and/or more.In addition, be not that the square frame shown in all requires to realize following method.It will be understood by those skilled in the art that and recognize a kind of method replacedly to be expressed as a series of state or incidents of being mutually related, such as representing with state diagram.
Fig. 8 is the method 800 according to the data communication of each side disclosed herein.This method starts from 802, keeps a turbo Groups List.These turbo groups can be kept or be stored in memory or other storage medium, and can fetch these turbo groups when needed.This Turbo group can comprise four turbo bags and a logic channel (LC), and this LC comprises 16 turbo bags that are divided into four turbo groups, comprises four turbo bags in each turbo group.At 804 places, receive a superframe request.For example, can receive this request, to carry out subsequent treatment and aerial (for example, wireless) transmission from the turbo encoder.
In response to the request that receive at 804 places, determined whether that at 806 places data can be used for beginning a superframe.Can based on be stored in storage medium that transmit driver is associated in information make and thisly determining.If there is not enough information can use ("No"), then method 800 stops.Can use ("Yes") if define enough information, then this superframe be write suitable hardware register at 808 places.Should be appreciated that and to utilize similar method 800 to handle subsequent frame.
By being available to interrupt notification transmission driver buffer, non-DMA hardware can be asked a superframe.The next turbo group that can comprise a LC (if any) who transmits this given frame to the processing of this interruption.For the hardware of supporting DMA, in order to ask superframe, this hardware can pass through the interrupt notification transmit driver when consuming LC of a given frame.From ordering LC tabulation, select the next LC turbo group of this superframe.Like this, be that the direct memory access (DMA) nextport hardware component NextPort also is non-direct memory access (DMA) nextport hardware component NextPort, handling interrupt selectively according to nextport hardware component NextPort.
With reference now to Fig. 9,, show according to one or more disclosed aspects, be convenient in wireless communications environment, between transmit driver and subscriber equipment, carry out data communications system 900.System 900 can be arranged in access point and/or subscriber equipment.System 900 comprises for example can be from the receiver 902 of reception antenna received signal.Receiver 902 can carry out typical operation to the received signal, such as filtering, amplification, down conversion etc.Receiver 902 also can carry out digitlization to the signal after handling, to obtain sampling.Demodulator 904 can obtain the receiving symbol of each symbol period, and receiving symbol is offered processor 906.
Subscriber equipment 900 can also comprise memory 908, and memory 908 is operably connected with processor 906, and storage information and other any adequate information relevant with coordinating communication.Memory 908 can also be stored the agreement that is associated with coordinating communication.Recognize that storage (for example, the memory) assembly that this paper illustrates both can be that volatile memory also can be a nonvolatile memory, perhaps can comprise volatibility and nonvolatile memory simultaneously.By way of example and unrestricted mode, nonvolatile memory can comprise read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically-erasable ROM (EEPROM) or flash memory.Volatile memory can comprise the random-access memory (ram) that uses as external cache.By way of example and unrestricted mode, RAM can provide in a variety of forms, such as synchronous random access memory (DRAM), dynamic ram (DRAM), synchronous dram (SDRAM), Double Data Rate SDRAM (DDRSDRAM), enhancement mode SDRAM (ESDRAM), synchronization links DRAM (SLDRAM) and direct type Rambus RAM (DRRAM).The memory 908 of system of the present invention and/or method can include but not limited to the memory of these and other any adequate types.Subscriber equipment 900 also comprises the transmitter 912 of Symbol modulator 910 and this modulation signal of transmission.
Figure 10 is the legend of system 1000 of being convenient to communicate according to each side the coordination of agreement.System 1000 comprises base station or access point 1002.As shown in the figure, transmit to one or more subscriber equipmenies 1004 by transmit antenna 1008 base station.
Figure 11 shows an example wireless communications 1100.In order to simplify, wireless communication system 1100 has been described a base station and a terminal.Yet, recognize that system 1100 can comprise that other base station and/or terminal can be similar basically or different with terminal with the exemplary base that the following describes more than a base station or access point and/or more than a terminal or subscriber equipment.In addition, recognize system and/or method that base station and/or terminal can adopt this paper to illustrate, so that between them, carry out radio communication.
With reference now to Figure 11,, on down link, at access point 1105 places, 1110 pairs of business datums of transmission (TX) data processor receive, format, encode, interweave and modulate (or sign map), and modulation symbol (" data symbol ") is provided.Symbol modulator 1115 receives and deal with data symbol and frequency pilot sign, and symbols streams is provided.Symbol modulator 1115 is carried out data and frequency pilot sign multiplexing, and obtains to comprise the transmission symbol collection of N transmission symbol.Each transmission symbol can be data symbol, frequency pilot sign or signal null value.Transmitted pilot symbol continuously in each symbol period.This frequency pilot sign can be frequency division multiplexing (FDM), OFDM (OFDM), Time Division Multiplexing, frequency division multiplexing (FDM) or code division multiplexing (CDM).
Transmitter unit (TMTR) 1120 receiving symbols stream also is converted into one or more analog signals, and further (for example handle, amplification, filtering and frequency up-converted) analog signal, so that produce the down link signal that is suitable on wireless channel, transmitting.Then, by antenna 1125 to this down link signal of terminal transmission.At terminal 1130 places, antenna 1135 has received this down link signal and the signal of reception is provided to acceptor unit (RCVR) 1140.Acceptor unit 1140 is handled (for example, filtering, amplification and frequency downconverted) received signal, and the signal after handling is carried out digitlization, so that obtain sampling.Symbol demodulator 1145 has obtained N receiving symbol, and the frequency pilot sign that receives is offered processor 1150, to carry out channel estimating.Symbol demodulator 1145 is also estimated from the frequency response of processor 1150 receiving downlinks, the data symbol that receives is carried out data demodulates estimate (it is the estimation of institute's data symbol) so that obtain data symbol, and provide data symbol to estimate to receiving data processor 1155, receive data processor 1155 demodulation (promptly, symbol de-maps), deinterleaving and this data symbol of decoding estimate, so that recover the business datum transmitted.The processing that the processing that symbol demodulator 1145 and reception data processor 1155 are carried out and access point 1105 place's Symbol modulator 1115 and tx data processor 1110 are carried out is complementary respectively.
On up link, 1160 pairs of business datums of tx data processor are handled, and data symbol is provided.Symbol modulator 1165 receives and multiplex data symbol and frequency pilot sign, modulates, and symbols streams is provided.Then, transmitter unit 1170 receives and handles this symbols streams, so that produce uplink signal, antenna 1135 is transferred to access point 1105 with this signal.
For multi-address system (for example FDMA, OFDMA, CDMA, TDMA etc.), a plurality of terminals can be transmitted on up link simultaneously.For this system, different terminals can be shared pilot subbands.Cross over the situation of whole operation frequency band (may not comprise band edge) in the pilot subbands of each terminal and can use channel estimation technique.Desirable is exactly the frequency diversity that this pilot subband structure can obtain each terminal.Can realize the technology that this paper illustrates by various devices.For example, can make up these technology that realizes with hardware, software or the two.Realize for hardware, can be at one or more application-specific integrated circuit (ASIC)s (ASICs), digital signal processor (DSPs), digital signal processing appts (DSPDs), programmable logic device (PLDs), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, other carries out the processing unit of realizing being used for channel estimating in the electronic unit of function of this paper explanation or their combination.With regard to software, can realize by the module (for example, program, function or the like) of carrying out the illustrated function of this paper.Software code can be deposited in the memory cell, and carry out by processor 1190 and 1150.
With reference now to Figure 12,, shows a data communication system 1200.This system comprises the device that is used to keep turbo Groups List 1202, and one of them turbo group comprises four turbo bags and a logic channel (LC), and this LC comprises at least four turbo groups, and each turbo group comprises four turbo bags.The device 1202 that is used to keep the turbo Groups List carries out interface with the device 1204 that is used to receive the superframe request.Can receive the superframe request from direct memory access (DMA) nextport hardware component NextPort or non-direct memory access (DMA) nextport hardware component NextPort.In case receive this request, be used to check keep tabulation the just tabulation that kept of visit of device 1206, and judged whether that data can be used for finishing this request.If there are enough data to use, the device that is used to transmit superframe 1208 transmits or is transferred to the register that is associated with the nextport hardware component NextPort that sends this request with superframe.
Figure 13 shows the Frame 1300 that is suitable for by the each side processing of transmit driver.For example, can come process frames of data 1300 by transmit driver shown in Figure 1 102.Frame 1300 comprises the data in the matrix, and this matrix is that seven time slots are taken advantage of " N " individual OFDM symbol.Each symbol time slot crosspoint has defined a data time slot.Shown in the figure, the packing data that will comprise logic channel 1302 is in Frame 1300.Logic channel 1302 comprises a plurality of data code block, by being the height of unit with the time slot and being that the length of unit is come the position of definition of logical channels 1302 in Frame with the symbol.It should be noted that Frame 1300 can comprise a large amount of logic channels, and can each logic channel be packed in the Frame 1300 with any suitable height and length parameter.In one aspect, define a superframe and comprise four Frames.
Figure 14 shows the figure that expression comprises the superframe 1400 of a plurality of logic channels.For example, shown in 1402, superframe 1400 comprises " n " individual logic channel.Each logic channel has a plurality of code blocks (CB).For example, shown in 1406, LC 1404 comprises " m " individual code block.Each code block comprises as four the turbo groups (TG) shown in 1408, and as shown in 1410, each turbo group comprises four turbo bags (TP).In addition, each code block 1406 comprises symbol (sym) index and time slot (slot) index, the position of expression code block in superframe.In one aspect, transmit driver is organized as all turbo in all code blocks the tabulation of time sequencing turbo group based on the symbol and the time slot index value of the code block that is associated of all turbo groups.This just makes these turbo groups arrange in chronological order, and the turbo group that early occurs in frame like this is than output before the turbo group of later appearance in frame.In another joint of this document, provide transmit driver how to organize being described in more detail of turbo group.
Figure 15 shows an aspect of transmit driver 1500.For example, transmit driver 1500 is suitable for using at transmit driver shown in Figure 1 102 places.Transmit driver 1500 comprises scheduler interface (I/F) 1502, processing logic 1504, memory 1506, buffer memory input logic 1508, buffer 1510 and buffer memory output logic 1512.
Scheduler I/F 102 comprises the combination in any of CPU, processor, gate array, hardware logic, memory component, virtual machine, software and/or hardware and software.Scheduler I/F 1502 provides interface signal 1514, and this can communicate transmit driver 1500 with data scheduler, is used for transmission so that receive data.For example, scheduler I/F 1502 communicates according to above-mentioned interface specification (that is, Fig. 3-6) and scheduler 104 shown in Figure 1, is used for transmission so that receive superframe.Scheduler I/F 1502 operates, and the superframe that receives is passed to processing logic 1504.
Buffer memory input logic 1508 comprises the combination in any of CPU, processor, gate array, hardware logic, memory component, virtual machine, software and/or hardware and software.Buffer memory input logic 1508 is operated, and obtains turbo group data in the time sequencing turbo Groups List from be stored in memory 1506, and the turbo group that obtains is written in the selected buffer of a plurality of buffers 1510.For example, each buffer in a plurality of buffers 1510 provides the indication specific register to be ready to receive the buffer ready signal 1518 of data.Buffer memory input logic 1508 operation is used for reception buffer ready signal 1518, and when when specific register receives ready signal, turbo is organized be written in this specific register.For example, when a buffer was ready, this buffer memory input logic 1508 was operated, and obtained next turbo group in the time sequencing tabulation from be stored in memory 1506, and this turbo group is written in this available buffer.
Buffer memory output logic 1512 comprises the combination in any of CPU, processor, gate array, hardware logic, memory component, virtual machine, software and/or hardware and software.1512 operations of buffer memory output logic are used for obtaining the turbo group data that are stored in a plurality of buffers 1510, and the turbo group data that obtain are exported to encoder.For example, each buffer in a plurality of buffers 1510 provides the indication specific register to be ready to the buffer memory ready signal 1520 of dateout.Buffer memory output logic 1512 is operated, reception buffer ready signal 1520, and when receiving a ready signal from specific register, obtain a turbo group from this specific register.Then, with encoder interfaces signal 1516 obtained turbo group is exported to encoder.For example, encoder provides encoder ready signal 1522, and this signal indicates this encoder to be ready to receive one or more data turbo groups.When buffer memory output interface 1512 receives this encoder ready signal 1522, it is just operated, one or more data turbo groups that output has obtained from buffer 1510.
During operation, transmit driver logical one 500 is operated, and receives data from scheduler.For example, these data comprise a superframe with logic channel, and wherein each logic channel has one or more code blocks, and each code block contains four turbo groups.Scheduler I/F 1502 operates with the reception data, and data are passed to processing logic 1504 to handle.Processing logic 1504 is operated, and this data set is made into the time sequencing turbo group that is stored in the memory 1506.Buffer memory input logic 1508 is operated, and based on ready signal 1518 time sequencing turbo group data is written in the buffer 1510.This buffer memory output logic 1512 is operated, and obtains time sequencing turbo group data based on ready signal 1520 from buffer 1510.Then, with encoder interfaces signal 1516 obtained turbo group data are exported to encoder.The result is, to export these time sequencings turbo group with the identical time sequencing that processing logic 1504 is organized.Like this, transmit driver 1500 is operated, and organizes data efficiently and transmits data to encoder, makes like this and can encode these data so that transmit by communication network.
In one aspect, the function of transmit driver 1500 is implemented in the one or more program command (" program command ") that are stored on the computer readable medium, when these instructions are carried out by at least one processor, the function that can provide this paper to illustrate.For example, program command can be deposited on the computer readable medium memory device of this media such as floppy disk, CDROM, storage card, flash memory device, RAM, ROM or any other type or computer readable medium.In one aspect of the method, can download these instructions from external equipment or Internet resources.When carrying out this program command, can provide the function of transmit driver 1500 as herein described by at least one processor.
It should be noted that this transmit driver 1500 only is an implementation, in every respect in other implementation also be possible.For example, can be fully realize transmit driver 1500 with the combination in any of CPU, processor, gate array, hardware logic, memory component, virtual machine, software and/or hardware and software.
Figure 16 shows an aspect according to transmit driver, how the turbo of superframe is organized as the turbo group of time sequencing.Superframe 1600 comprises the data with symbol and time slot matrix organization.Show the first logic channel (LC at 1602 places
0), show the second logic channel (LC at 1604 places
1).For purpose of explanation, suppose that each logic channel 1602,1604 comprises three code blocks, and each code block comprises four turbo groups.It should be noted that a logic channel can comprise the code block of any number, be not limited in three code blocks.
In one aspect, superframe is organized as the turbo group of time sequencing.For example, processing logic 1504 is operated, and the turbo that superframe 1600 is organized as time sequencing organizes, and these turbo groups are deposited in the memory 1506.
Show time sequencing turbo group at 1606 places.For example, produce this time sequencing turbo group 1606 by processing logic 1504.The turbo group that time sequencing turbo group 1606 comprises is based on that the logic channel that is associated with these turbo groups in the superframe 1600 and code block position divide.For example, in superframe 1600, logic channel 1602 occurs early than logic channel 1604 in time.In one aspect, use the notation index and the time slot index that are associated with each code block to determine the time location that each turbo organizes.
In addition, the purpose for transmission is divided into four frames with superframe, and first frame comprises turbo and organizes 1 data, and second frame comprises that turbo organizes 2 data, the 3rd frame comprises turbo and organizes 3 data, and the 4th frame comprises turbo and organizes 4 data.As a result, processing logic 1504 is operated the turbo group of organizing superframe 1600, makes the turbo of all logic channels organize 1 data and occurs before the turbo of all logic channels organizes 2 data, by that analogy.For example, the set of a turbo of three of logic channel 1602 code blocks group is shown in 1608 places.After the set of turbo group is the turbo group set of three code blocks of the logic channel 1604 shown in 1610.It is the 2nd turbo group set of each logic channel that this tabulation continues, and then is the set of third and fourth turbo group.Like this, transmit driver is operated, and based on the logic channel and the code block that are associated with these turbo groups the turbo that superframe is organized into time sequencing is organized.
Figure 17 shows the method 1700 of an aspect that is used to provide transmit driver.In one aspect, provide method 1700 by transmit driver 1500 shown in Figure 15.
At square frame 1702 places, buffer has been carried out initialization.For example, a plurality of buffers 1510 of initialization make them be ready to receive turbo group data.
At square frame 1704 places, receive a superframe.For example, from the scheduler of all schedulers as shown in Figure 1 104, receive this superframe.In one aspect, receive this superframe, and the superframe that is received is passed to processing logic 1504 by scheduler I/F1502.
At square frame 1706 places, superframe is organized into time sequencing turbo group.For example, time sequencing turbo group 1606 is as shown in Figure 16 organized this superframe like that.In one aspect, processing logic 1504 is operated, based on the logic channel that is associated with these turbo groups and these turbo groups of code block (that is, using the symbol and the time slot index value of code block) tissue.
At square frame 1708 places, test to determine whether that buffer is ready to time of reception order turbo group data.For example, buffer memory input logic 1508 has determined whether any buffer ready signal 1518.If there is buffer to be ready to receive turbo group data, this method proceeds to square frame 1710.If there is not buffer to be ready to receive turbo group data, this method turns back to square frame 1708.
At square frame 1710 places, the turbo group is kept in the available buffer.For example, buffer memory input logic 1508 is determined that buffer are ready and is operated obtaining next turbo group in the group of the time sequencing turbo from be stored in memory 1506, and this turbo group is deposited in this available buffer.Then, this method turns back to square frame 1708, to determine next available buffer.
Like this, method 1700 is operated so that the various aspects of transmit driver to be provided.For example, method 1700 is operated depositing in the available buffer from the turbo group of time sequencing turbo group.The method 1800 that the following describes is operated, and obtains the turbo group from buffer, and these turbo groups are exported to encoder so that encode, thereby transmits on communication network.It should be noted that method 1700 is only represented an implementation, other implementation also is possible in the scope in these areas.
Figure 18 shows a kind of method 1800 that an aspect of transmit driver is provided.In one aspect, transmit driver 1500 shown in Figure 15 provides method 1800.
At square frame 1802 places, test to determine whether that encoder is ready to receive turbo group data.For example, buffer memory output logic 1512 is operated, and determines whether that encoder ready signal 1522 indication encoders have been ready to receive turbo group data.If encoder is ready to, this method proceeds to square frame 1804.If encoder is not ready, this method turns back to square frame 1802.
At square frame 1804 places, test to determine whether that buffer is ready to export turbo group data.For example, buffer memory output logic 1512 is operated, and is ready by determining whether buffer of ready signal 1520 indications, determines whether that in a plurality of buffers 1510 is ready to export turbo group data.If buffer is ready, then this method proceeds to square frame 1806.If buffer is not ready, then this method turns back to square frame 1804.
At square frame 1806 places, turbo is organized data export to encoder.For example, buffer memory output logic 1512 is operated, and with interface signal 1516 turbo is organized data and exports to encoder.With with turbo is organized data and writes this turbo group data of output that put in order of identical time of buffer 1510.Then, this method proceeds to square frame 1802, determines whether that encoder is ready to receive more turbo group data.
Like this, method 1800 is operated so that the various aspects of transmit driver to be provided.For example, method 1800 is operated, and will export to encoder from the turbo group of store buffer, so that transmit on data network.It should be noted that method 1800 is only represented an implementation, other implementation also is possible in the scope in these areas.
Figure 19 shows an aspect of transmit driver 1900.Transmit driver 1900 comprises the device (1902) that is used to obtain data.For example, in one aspect in, device 1902 comprises scheduler I/F1502.Transmit driver 1900 also comprises and being used for the device (1904) of data organization for time sequencing turbo group.For example, in one aspect in, device 1904 comprises processing logic 1504.Transmit driver 1900 also comprises the device (1906) that is used for output time order turbo group.For example, in one aspect in, device 1906 comprises buffer 1510 and buffer memory output I/F 1512.
Should be appreciated that everyway that this paper illustrates can by hardware, software, firmware, middleware, microcode or wherein combination in any realize.When coming realization system and/or method, they can be deposited in the machine readable medium such as memory module with software, firmware, middleware or microcode, program code or code segment.Code segment can be represented the combination in any of process, function, subprogram, program, routine, subroutine, module, software kit, class or instruction, data structure or program statement.A code segment can link to each other with another code segment or hardware circuit by transmission and/or reception information, data, independent variable, parameter or memory contents.Can be with comprising that any suitable means such as Memory Sharing, message transmission, token transmission, Network Transmission transmit, hop or transmission information, independent variable, parameter, data etc.
For software is realized, can realize the technology that this paper illustrates with the module (for example, process, function etc.) of carrying out function described herein.Can deposit software code in memory cell, and carry out by processor.Can in processor or beyond the processor, realize under the situation beyond the processor, it being connected this memory cell with processor communication by various means known in the art.
More than Shuo Ming content has comprised the example of one or more aspects.Certainly, for the purpose of the above-mentioned each side of explanation, the combination of each possible assembly or method can not be described, but those of ordinary skills can recognize that a lot of other combination and permutation of various aspects all are possible.Therefore, described each side has comprised all these changes, modification and the variant that falls within the claims spirit and scope.In addition, describe in detail or claim in used term " to comprise ", this term is represented comprising of evolution formula in the mode that is similar to term and " comprises ", as " comprising " explanation when using as the transition speech in the claim.
Claims (35)
1, a kind of method that is used for transfer of data, described method comprises:
Acquisition comprises the data of one or more logic channels, and each logic channel in wherein said one or more logic channels comprises one or more code blocks, and each code block in wherein said one or more code block comprises one or more turbo groups;
Organize described data based on described one or more code blocks, organize with generation time order turbo; And
Export described time sequencing turbo group.
2, the method for claim 1, wherein the step of described acquisition comprises: obtain to comprise the described data of described one or more code blocks, each code block in wherein said one or more code blocks comprises four turbo groups.
3, method as claimed in claim 2 also comprises: with described data organization is four frames, and a turbo set of dispense in four turbo groups that wherein will be associated with each code block in described one or more code blocks is respectively given the frame in described four frames.
4, the method for claim 1, wherein the step of described acquisition comprises: obtain to comprise the described data of described one or more code blocks, each code block in wherein said one or more code blocks comprises notation index and time slot index.
5, method as claimed in claim 4, wherein, the step of described tissue comprises: organize the described one or more turbo groups that are associated with described one or more code blocks based on described notation index and described time slot index.
6, method as claimed in claim 5, wherein, the step of described tissue comprises:
Organize described one or more turbo group, the time sequencing of the turbo group that feasible and low time slot index is associated is before the turbo group that is associated with higher time slot index; And
Organize described one or more turbo group, the time sequencing of the turbo group that feasible and low notation index is associated is before the turbo group that is associated with higher notation index.
7, the method for claim 1, wherein the step of described output comprises:
Based on one or more buffer ready signals, described time sequencing turbo group is written in one or more store buffer; And
Based on one or more encoder ready signals, output is from the described time sequencing turbo group of described one or more store buffer.
8, a kind of equipment that is used for transfer of data, described equipment comprises:
Input logic, its configuration is used to obtain to comprise the data of one or more logic channels, each logic channel in wherein said one or more logic channel comprises one or more code blocks, and each code block in wherein said one or more code block comprises one or more turbo groups;
Processing logic, its configuration are used for organizing described data based on described one or more code blocks, organize with generation time order turbo; And
Output logic, its configuration are used to export described time sequencing turbo group.
9, device as claimed in claim 8, wherein, each code block in described one or more code blocks comprises four turbo groups.
10, device as claimed in claim 9, described processing logic configuration is used for described data set is made into four frames, and a turbo set of dispense in four turbo groups that wherein will be associated with each code block in described one or more code blocks is respectively given the frame in described four frames.
11, device as claimed in claim 8, wherein, each code block in described one or more code blocks comprises notation index and time slot index.
12, device as claimed in claim 11, wherein, described processing logic configuration is used for organizing the described one or more turbo groups that are associated with described one or more code blocks based on described notation index and described time slot index.
13, device as claimed in claim 12, wherein, described processing logic configuration is used to organize described one or more turbo group, the time sequencing of the turbo group that makes and be associated than low time slot index is before the turbo group that is associated with higher time slot index, and organize described one or more turbo group, the time sequencing of the turbo group that feasible and low notation index is associated is before the turbo group that is associated with higher notation index.
14, device as claimed in claim 1, wherein said output logic configuration is used for:
Based on one or more buffer ready signals, described time sequencing turbo group is written in one or more store buffer; And
Based on one or more encoder ready signals, output is from the described time sequencing turbo group of described one or more store buffer.
15, a kind of equipment that is used for transfer of data, described equipment comprises:
Be used to obtain comprise the device of the data of one or more logic channels, each logic channel in wherein said one or more logic channel comprises one or more code blocks, and each code block in wherein said one or more code block comprises one or more turbo groups;
Be used for organizing the device of described data with generation time order turbo group based on described one or more code blocks; And
Be used to export the device of described time sequencing turbo group.
16, equipment as claimed in claim 15, wherein, the described device that is used for obtaining comprises: be used to obtain to comprise that the described data of described one or more code blocks and each code block of wherein said one or more code blocks comprise the device that four turbo organize.
17, device as claimed in claim 16, also comprise: be used for described data set is made into the device of four frames, a turbo set of dispense in four turbo groups that wherein will be associated with each code block in described one or more code blocks is respectively given the frame in described four frames.
18, device as claimed in claim 15, wherein, the described device that is used for obtaining comprises: each code block that is used to obtain to comprise the described data of described one or more code blocks and wherein said one or more code blocks comprises the device of notation index and time slot index.
19, device as claimed in claim 18, wherein, the described device that is used to organize comprises: the device that is used for organizing based on described notation index and described time slot index the described one or more turbo groups that are associated with described one or more code blocks.
20, device as claimed in claim 19, wherein, the described device that is used to organize comprises:
Be used to organize described one or more turbo to organize the device of time sequencing before the turbo that is associated with higher time slot index organizes that turbo feasible and that be associated than low time slot index organizes; And
Be used to organize described one or more turbo to organize the device of time sequencing before the turbo that is associated with higher notation index organizes that turbo feasible and that be associated than low notation index organizes.
21, device as claimed in claim 15, wherein, the described device that is used to export comprises:
Be used for described time sequencing turbo group being write the device of one or more store buffer based on one or more buffer ready signals; And
Be used for to organize the device of output from the described time sequencing turbo of described one or more store buffer based on one or more encoder ready signals.
22, a kind of computer readable medium with the computer program that comprises instruction when carrying out described instruction by at least one processor, is operated to be provided for the system of transfer of data, and described computer program comprises:
Be used to obtain comprise the instruction of the data of one or more logic channels, each logic channel in wherein said one or more logic channel comprises one or more code blocks, and each code block in wherein said one or more code block comprises one or more turbo groups;
Be used for organizing of the instruction of described data with generation time order turbo group based on described one or more code blocks; And
Be used to export the instruction of described time sequencing turbo group.
23, computer program as claimed in claim 22, wherein, the described instruction that is used for obtaining comprises: be used to obtain to comprise that the described data of described one or more code blocks and each code block of wherein said one or more code blocks comprise the instruction that four turbo organize.
24, computer program as claimed in claim 23, also comprise: be used for described data set is made into the instruction of four frames, a turbo set of dispense in four turbo groups that wherein will be associated with each code block in described one or more code blocks is respectively given the frame in described four frames.
25, computer program as claimed in claim 22, wherein, the described instruction that is used for obtaining comprises: each code block that is used to obtain to comprise the described data of described one or more code blocks and wherein said one or more code blocks comprises the instruction of notation index and time slot index.
26, computer program as claimed in claim 25, wherein, the described instruction that is used to organize comprises: be used for organizing based on described notation index and described time slot index the instruction of the described one or more turbo groups that are associated with described one or more code blocks.
27, computer program as claimed in claim 26, wherein, the described instruction that is used to organize comprises:
Be used to organize described one or more turbo to organize the instruction of time sequencing before the turbo that is associated with higher time slot index organizes that turbo feasible and that be associated than low time slot index organizes; And
Be used to organize described one or more turbo to organize the instruction of time sequencing before the turbo that is associated with higher notation index organizes that turbo feasible and that be associated than low notation index organizes.
28, computer program as claimed in claim 22, wherein, the described instruction that is used to export comprises:
Be used for described time sequencing turbo group being write the instruction of one or more store buffer based on one or more buffer ready signals; And
Be used for to organize the instruction of output from the described time sequencing turbo of described one or more store buffer based on one or more encoder ready signals.
29, configuration is used to carry out at least one processor of data transmission method, and described method comprises:
Acquisition comprises the data of one or more logic channels, and each logic channel in wherein said one or more logic channels comprises one or more code blocks, and each code block in wherein said one or more code block comprises one or more turbo groups;
Organize described data based on described one or more code blocks, organize with generation time order turbo; And
Export described time sequencing turbo group.
30, method as claimed in claim 29, wherein, the step of described acquisition comprises: obtain to comprise the described data of described one or more code blocks, each code block in wherein said one or more code blocks comprises four turbo groups.
31, method as claimed in claim 30 also comprises: with described data organization is four frames, and a turbo set of dispense in four turbo groups that wherein will be associated with each code block in described one or more code blocks is respectively given the frame in described four frames.
32, method as claimed in claim 29, wherein, the step of described acquisition comprises: obtain to comprise the described data of described one or more code blocks, each code block in wherein said one or more code blocks comprises notation index and time slot index.
33, method as claimed in claim 32, wherein, the step of described tissue comprises: organize the described one or more turbo groups that are associated with described one or more code blocks based on described notation index and described time slot index.
34, method as claimed in claim 33, wherein, the step of described tissue comprises:
Organize described one or more turbo group, the time sequencing of the turbo group that feasible and low time slot index is associated is before the turbo group that is associated with higher time slot index; And
Organize described one or more turbo group, the time sequencing of the turbo group that feasible and low notation index is associated is before the turbo group that is associated with higher notation index.
35, method as claimed in claim 29, wherein, the step of described output comprises:
Based on one or more buffer ready signals, described time sequencing turbo group is written in one or more store buffer; And
Based on one or more encoder ready signals, output is from the described time sequencing turbo group of described one or more store buffer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81669806P | 2006-06-26 | 2006-06-26 | |
| US60/816,698 | 2006-06-26 | ||
| US11/558,852 | 2006-11-10 |
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| Publication Number | Publication Date |
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| CN101479981A true CN101479981A (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800242210A Pending CN101479981A (en) | 2006-06-26 | 2007-06-25 | Transmit driver data communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103379080A (en) * | 2012-04-17 | 2013-10-30 | 马维尔国际有限公司 | DMA transmission method and transmission system for multi-carrier system |
| CN108885589A (en) * | 2015-12-22 | 2018-11-23 | 华睿泰科技有限责任公司 | The method of flash memory friendly cache for CDM workload |
-
2007
- 2007-06-25 CN CNA2007800242210A patent/CN101479981A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103379080A (en) * | 2012-04-17 | 2013-10-30 | 马维尔国际有限公司 | DMA transmission method and transmission system for multi-carrier system |
| CN103379080B (en) * | 2012-04-17 | 2018-10-12 | 马维尔国际有限公司 | For the DMA transfer method and system of multicarrier system |
| CN108885589A (en) * | 2015-12-22 | 2018-11-23 | 华睿泰科技有限责任公司 | The method of flash memory friendly cache for CDM workload |
| CN108885589B (en) * | 2015-12-22 | 2022-10-04 | 华睿泰科技有限责任公司 | Method of flash-friendly caching for CDM workloads |
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