CN1717887A - Method and system for code combining in a communication system - Google Patents

Abstract

An encoder adds redundancy to a block of information bits to be transmitted via different stations in a communication system. The redundancy permits decoding of the received symbols from less than a complete encoded block of information. The symbols received from the different stations are combined before decoding. The present invention relates to broadcast or multicast communications, otherwise known as point-to-multipoint communications, in a wireline or a wireless communication system.

Description

The method and system of code combination in the communication system

Technical field

The present invention relates to broadcasting or multi-point diffusion communication in wired or wireless communication system, also is known point-to-multipoint delivery.More specifically the say, the present invention relates to a kind of in broadcasting or multi-point diffusion communication system to carry out the system and method for code combination from the data of different base station.

Background technology

Communication system has developed into permission and has sent information signal from a starting station to a physically different station, destination.Passed through in the communication channel transmit information signals by the starting station, information signal is converted into a kind of form that is fit to by the effective transmission of communication channel earlier.The conversion of information signal or modulation comprise the mode of spectrum limitations in the communication channel bandwidth range by the modulated carrier that will generate, and change the parameter of carrier wave according to information signal.At the station, destination, copy original information signal by the modulated carrier that receives on the communication channel.Usually finish such duplicating by the counter modulation of using the used modulated process in the starting station.

Modulation also helps the multiple access of a plurality of signals on a common communication channel, as transmitting simultaneously and/or receiving.The multiple access communication system generally comprises a plurality of subscriber stations, and common communication channel is served rather than visited continuously to the request intermittence in a short relatively duration.Several multiple access technology have been known in this area, for example time division multiple access (TDMA), frequency division multiple access (FDMA) and amplitude modulation multiple access (AM).Another kind of multiple access technology is a kind of code division multiple access (CDMA) spread spectrum system, defers to " mobile radio station-base station compatibility standard of TIA/EIA/IS-95 bimodulus broadband spread spectrum cellular system ", below is called the IS-95 standard.The U.S. Patent No. 4 that is transferring the assignee of the present invention, 901,307 (being entitled as " using the spread spectrum multiple access of satellite or land repeater to connect communication system ") and U.S. Patent No.s 5,103, in 459 (being entitled as " system and method that in a cdma cellular telephone system, produces waveform "), disclosed the situation of in the multiple access communication system, using CDMA technology

But the multiple access communication system can be wireless or wired and transferring voice and/or data.One routine transferring voice and data communication system are a kind of systems that sends the IS-95 standard of voice-and-data according to the rules on communication channel.In the U.S. Patent No. 5,504,773 that transfers the assignee of the present invention (being entitled as " to the method and apparatus of data formatting of transmission "), the method for transmission data in the Code Channel frame of fixed size has been described.According to the IS-95 standard, it is that 20 milliseconds, data rate are the Code Channel frame of 14.4Kbps that data or voice are divided into wide.Another routine transferring voice and data communication system comprise and meeting that " the 3rd generation cooperative programme " (3GPP) or the communication system of " physical layer standard of TR-45.5cdma2000 spread spectrum system, version C ".The former is embodied in and comprises file 3G TS 25.211,3G TS 25.212, and 3G TS 25.213,3G TS 25.214 (W-CDMA standard) are at interior a series of files, and the latter is known 1xEV-DV motion.

It is a high data rate (HDR) communication system that one example is only transmitted the data communication system, meets the TIA/EIA/IS-856 industrial standard, below is called the IS-856 standard.This HDR system transfers the communication system that discloses in assignee of the present invention's the patent application serial numbers 08/963,386 that awaits the reply jointly (being entitled as " method and apparatus of High Rate Packet Data transmission ") based on being submitted on November 3rd, 1997.This HDR communication system defined access point (AP) can to subscriber station (access terminal, a series of data rates when AT) sending data, scope is from 38.4Kbps to 2.4Mbps.Because AP is similar base station, about the same with voice system of the term of sub-district and sector.

In the multiple access communication system, the communication between the user is undertaken by one or more base stations.Pass through reverse link (reverse link) to base station transmits data and second telex network on second subscriber station first user on the subscriber station.The base station receives data and data can be given to another base station.Data are transferred to second subscriber station by the forward link (forward link) of same base station or other base station.Forward link refers to that from the base station to the transmission of subscriber station, reverse link refers to from the transmission of subscriber station to the base station.Equally, communication can be carried out between second user on first user on the subscriber station and the land transportation station.The base station receives on the reverse link from user's data, and (PSTN) forwards the data to second user by public switched telephone network.In many communication systems such as IS-95, W-CDMA, IS-2000, be the forward link frequency different with reverse link assignment.

Above-mentioned wireless communication services is a routine point-to-point communication service.On the contrary, broadcasting or multi-point diffusion service provision point are to the multi-point communication service.The broadcasting or the basic model of multi-point diffusion system comprise that one provides the broadcasting or the multi-point diffusion user network of service by one or more central stations, and central station transmits the information of immobilized substance to the user, as news, film, sports cast or the like.Each broadcasting or the multi-point diffusion network user's subscriber station is monitored a common broadcast or multi-point diffusion forward link signals.Because central station has determined content regularly, the user can not communicate back usually.The example commonly used of broadcasting or multi-point diffusion services communication systems has group calls in several of television broadcasting, radio broadcasting push-to-talk or the like.These communication systems are generally the height specialized purpose-build communication systems.Along with the progress of system for wireless cellular telephony, the interest of broadcasting or multi-point diffusion service has appearred the existing low layer foundation structure of main point-to-point cell phone system is applied to recently.(as used herein, term " honeycomb (cellular) " system comprises the communication system that utilizes honeycomb and two kinds of frequencies of PCS)

To be organized into a plurality of groupings usually at the information signal of each terminal room exchange of communication system.For the purpose of description, grouping is one group of byte, comprises data (payload) and the control element arranged with specific format.Control element comprises as a header and a quality index.Quality index comprises as Cyclic Redundancy Check, parity bit and other index kind of being known by those skilled in the art.Grouping is formatted as a message according to the communication channel structure usually.Be subjected to the communication channel characteristic through suitable modulation and in the message that sends the transmission of terminal and purpose terminal room, become and the influence of other characteristic as signal to noise ratio, decay, time.These characteristics have different influences to modulation signal in different communication channels.The result is, the transmission of the modulation signal by wireless communication channel need with the different Consideration of modulation signal transmission by wire communication channel such as coaxial cable or optical cable.

Designed other and be used to protect the method for information signal the suitable modulation except selecting for particular communication channel.These methods comprise, repeat, interweave and other is by the method known to the common those of skill in the art in this area as coding, code element.Yet these methods have increased expense.Like this, must make engineering between the size of the reliability of message transmission and expense compromises.Even there is the information protection above discussed, the situation of communication channel may demote when possibly can't decode to the station, destination (elimination) some comprise the degree of the grouping of message.In having only the data communication system, the automatic re-send request may (ARQ) that the way of solution is to use the point of destination to produce resends grouping to be decoded to dispatching station.Yet as discussed, the user can not communicate back to the base station.Moreover even if the user is allowed to transmit ARQ, this communication may make the communication system overload.As a result, the information protection means that need other.

Summary of the invention

Satisfied above-mentioned demand in the embodiment of this disclosure by the system and method that provides a kind of data to carry out code combination to different base station in from communication system.

Description of drawings

Fig. 1 illustrates the concept map of high-speed broadcast or multi-point diffusion or multi-point diffusion service (HSBSMS) communication system.

Fig. 2 illustrates physics and the logic channel notion of HSBS.

Fig. 3 illustrates basis original technology for encoding of embodiment first.

Fig. 4 illustrates the basis coding of the expression data of embodiment first, the block diagram of combination and decoding.

Fig. 5 illustrates the performance of the anabolic process of the embodiment first that is applied to an example.

Fig. 6 illustrates basis a kind of flow process in communication system code combination method of embodiment first.

Embodiment

Definition

Here use term " can imitate " and represent " as example, demonstration or an explanation ".Not necessarily be interpreted as better or have superiority than other embodiment at this any embodiment that describes with " can imitate ".

Here be illustrated on the special-purpose communication channel communication between two subscriber stations with the term point-to-point communication.

Here represent that with term broadcast or multi-point diffusion communication or point-to-multipoint communication a kind of a plurality of subscriber station receives the communication modes of communication from a source.

Here represent a bit group with term packet, comprise data (payload) and the control element arranged with specific format.Control element comprises other kind of knowing as a header and quality index and those skilled in the art.Quality index comprises as Cyclic Redundancy Check, parity bit and other by the index known to the those skilled in the art.

Here represent the combination of base station (BS) and one or more base station controllers with the term access network.Access network is transmission of data packets between a plurality of subscriber stations.Access network can further be connected to other network beyond the access network, for example Intranet or internet, and can each access terminal and these external networks between transmission of data packets.

Here represent the hardware that subscriber station is used for communicating by letter with the term base station.Sub-district (Cell) refers to hardware or a geographic overlay area, depends on the context that this term is used.Sector (Sector) is the part of sub-district.Because the attribute of sub-district is contained in a sector, the explanation that will describe in the term sub-district extends to the sector easily.

Here represent the hardware that access network is used for communicating by letter with subscriber station.That subscriber station moves or fixing.Subscriber station can be any by wireless channel or for example use the data equipment of wire message way such as optical fiber or coaxial cable communication.Subscriber station may further be any plurality of devices, includes but not limited to the phone that PC card, compact flash, outside or internal modems are wireless or wired.Be in and set up subscriber station in the active traffic channel connection procedure with the base station and be called as to be in and be connected the state of setting.Set up the subscriber station that active traffic channel is connected and be called as the active user station, and be called as and be in trafficwise with the base station.

Here represent the communication port that transmits therein with the signal that modulation signature and coding are described with the term physical channel.

Here represent a communication port in the protocol layer of base station or subscriber station with the terminological logic channel.

Here based on context represent physical channel or logic channel with term communication channel/link.

Here represent that with term reverse channel/link subscriber station is in order to the communication channel/link to base station transmit signals.

Here represent that with forward channel/link the base station is in order to send the communication channel/link of signal to subscriber station.

Here eliminate with term and represent to discern the message failure.

Here represent channel with the term dedicated channel by the information modulation that is specific to an independent subscriber station.

Here represent channel with the term common channel by the modulation of all subscriber station Sharing Information.

Here represent forward data packet channel with term F-PDCH.

Here represent the forward data packet control channel with term F-PDCCH.

Term subset is defined as being included in the set in the set.

Describe

The basic model of broadcasting or multi-point diffusion system comprises broadcasting or multi-point diffusion user network, provide service by one or more central stations that transmit immobilized substance such as news, film, sports cast etc. to the user, each broadcasting or the multi-point diffusion network user's subscriber station is monitored a common broadcast or multi-point diffusion forward link signals.Fig. 1 show a basis first embodiment can carry out the conceptual schema of the communication system 100 of high-speed broadcast or multi-point diffusion service (HSBSMS).

Broadcasting or multi-point diffusion content are sent at content server (CS) 102.Content server can be placed in the carrier network (not shown) or (IP) 104 outsides in the internet.With the form of grouping with delivery of content to broadcasting or multi-point diffusion packet data serving node (BPDSN) 106.Though use term BPDSN to be because BPDSN may with the PDSN (not shown) of routine co or for same, the BPDSN logically PDSN with routine is different physically.BPDSN106 according to the grouping the destination with packet delivery to a Packet Control Function piece (PCF) 108.PCF is that a conduct is used for the controlled entity that conventional voice-and-data serving base station controller is HSBS control base station 110 functions.For the high level concept that HSBS is described and the relation of physics access network, Fig. 1 show one physically co or or even same, but in logic with the different PCF of base station controller (BSC).BSC/PCF108 provides grouping to base station 114.

Communication system 100 is realized high-speed broadcast or multi-point diffusion services (HSBSMS) by forward broadcast or the multi-point diffusion shared channel (F-BSMSCH) 112 of introducing a high data rate that can be received by a large number of users station 114.Here use term forward broadcast or multi-point diffusion shared channel to represent the single forward link physical channel of carrying broadcasting or multi-point diffusion traffic.Single F-BSMSCH can carry one or more with TDM form multiplexing HSBSMS channel in single F-BSMSCH, uses term HSBSMS channel to represent broadcasting or content-defined single logic HSBSMS broadcasting or the multi-point diffusion reservation of multi-point diffusion by reservation here.Each reservation all by the time broadcasting or the multi-point diffusion content that become limit; For example, early 7 news, early 8 weather, 9 films early, or the like.Fig. 2 shows the basis discussed physics and the logic channel notion of the HSBS of embodiment first.

As shown in Figure 2, at two respectively with frequency f _x, f _yProvide HSBS on the F-BSCHs202 of transmission.Like this, for example in above-mentioned cdma2000 communication system such physical channel can comprise as a forward direction append channel (F-SCH), forward broadcast control channel (F-BCCH), forward direction public control channel (F-CCCH), other is public and the combination of dedicated channel and channel.The transfer of submitting on March 28th, 2002 is in assignee of the present invention's common pending U.S. Patent Application sequence number No.10/113, in 098 (being entitled as " at the method and apparatus of communication system mid point "), disclosed the public and dedicated channel that is used for information broadcast to the channel management of multiple spot service.The common those of skill in the art in this area can understand other communication system and use the channel of carrying out similar functions; Therefore, this explanation is applicable to other communication system.

F-BSMSCHs202 carrying broadcasting or multi-point diffusion traffic wherein may comprise the reservation of one or more broadcasting or multi-point diffusion.F-BSCH1 carries two multiplexing HSMSBS channel 204a on F-BCCH1 202a, 204b.F-BSCH2 202b carries a HSBSMS channel 204c.The content of HSBSMS channel is formatted as the grouping that contains payload 206 and header 208.

This area common those of skill in the art can confirm, HSBSMS broadcasting or multi-point diffusion service configuration shown in Figure 2 are to be used for teaching purpose.Therefore, in given sector, HSBSMS broadcasting or multi-point diffusion service can be configured according to multiple mode according to the characteristics that the equipment of particular communication system is supported.Equipment characteristic comprises, as, HSBSMS reservation quantity, Frequency Distribution quantity, the broadcasting of being supported or the multi-point diffusion physical channel quantity supported, and the miscellaneous equipment characteristics known to other those skilled in the art.The F-BSMSCHs that like this, for example surpasses two frequencies can be configured in the sector.Further, in a sector, can be with an independent HSBSMS channel multiplexing to surpassing on broadcasting or the multi-point diffusion channel user on these frequencies of service on the different frequencies.

As discussed, communication system is usually with frame or piece transmission information, information by coding protection to prevent to influence the poor environment of communication channel.Such exemplary system comprises cdma2000, WCDMA, UMTS system.As shown in Figure 3, from the message bit stream waiting for transmission 302 of more high-rise generation, be provided for the encoder 304 on the physical layer.Encoder is accepted the bit block of a length S, and the S bit block generally includes some expenses, as is used for other Overhead known to the tail bits of encoder, Cyclic Redundancy Check and the those skilled in the art.These Overhead help the decoder of receiving terminal to confirm to decode successfully or fail.Encoder then uses the code of an appointment to the S bits of encoded, produce one long be the encoding block of P=S+R, wherein R represents the quantity of redundant bit.

This area common those of skill in the art be appreciated that, though explain embodiment with hierarchical mode, but this is for teaching purpose, and various exemplary logical block, module, circuit and the algorithm steps described in conjunction with physical layer may be implemented as electronic hardware, computer software or both combinations.Like this, for example the realization of encoder 304 or execution can be used: general-purpose processor, digital signal processor (DSP), application-specific IC (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components or any described combination of devices that is designed to finish said function.General-purpose processor can be microprocessor, yet or, processor can be any conventional processors, controller, microcontroller or state machine.Processor can realize with the combination of computing equipment equally, as, the combination of DSP and microprocessor, a plurality of microprocessor, in conjunction with one or more microprocessors or any other this type of configuration of DSP core.

Fig. 4 shows the block diagram of representing coding, combination and the decoding of data according to embodiment first.Suppose that a 1k message bit stream is provided for 1/2 rate encoder 412, then from encoder 412 output 2k bits.According to embodiment first, encoder is placed in the base station controller 410.According to another embodiment then, encoder 412 is placed in the base station.Can be understood that by those skilled in the art, in embodiment first, can use the encoder of different ratios.

According to embodiment first, the 2k bit is cut apart by dispenser 414, thereby in a plurality of base stations each sends the subclass of a 2k bit.In embodiment first, dispenser 414 is placed in the base station controller 410.Can be understood that dispenser 414 can leave base station controller 410 and settle separately by those skilled in the art.A subclass is defined as being included in a set in the set.Subclass can comprise the member with the same quantity of set, that is, subclass equals set.A subclass can be a null set.The subclass that is sent to a plurality of base stations can intersect also can be non-intersect.

For teaching purpose, Fig. 4 only illustrates the bit subset that is sent to first base station 420 and N base station 430.Can be understood that, return in the case to have only a base station by those skilled in the art at one.Can be understood that when N＞1, to have any amount of base station N equally by those skilled in the art.Have for example, the subclass that includes previous 1k bit in the 2k bit is sent to first base station 420, and the subclass that includes last 1.5k bit in the 2k bit is sent to the second base station N430.

Each base station 420,430 comprises the modulator 422,432 of a modulation base station input signal.After the modulation, each base station sends its modulated signal to mobile radio station 440.Mobile radio station 440 comprises the demodulator 442 of a demodulation from the modulation signal of a plurality of base stations.

The output of demodulator 442 is provided for combiner 446.In embodiment first, combiner 446 utilizes anabolic process 448 required parameters to make up bit from a plurality of base stations.Parameter shows the position of bit to be made up, and this position is with respect to its relevant position in the 2k message bit stream of encoder 412 original outputs.To the posting a letter of mobile radio station 440, parameter is sent by a plurality of base stations by a plurality of base stations.Can be understood that equally combiner 446 may use the assembled scheme of any raising combined bit reliability known in the art by those skilled in the art.

Fig. 5 illustrates an anabolic process as the embodiment first of example and represents.Send first bit stream 502A from first base station to a subscriber station, and send second bit stream 502B from second base station to subscriber station.The bit stream 504A of first bit stream 502A after by demodulation and demodulation is provided for combiner 446.The bit stream 504B of second bit stream 502B after by demodulation and demodulation is provided for combiner 446.Combiner 446 makes up, and demodulated stream 504A, 504B produce a combined stream 506 thus.The bit stream of being represented by reference number 508 shows demodulated stream 504A and the intersection between demodulated stream 504B.

With reference to Fig. 4 example, the 2k bit stream that has made up is provided for 1/2 rate decoder 450.The 2k bit stream decoding that 450 pairs of 1/2 rate decoder have made up is also exported 1k decoded bits.

Combiner 446 can be operated in any data rank.In embodiment first, combiner 446 can be operated in bit levels.In embodiment first, combiner 446 can be operated in the frame rank.In embodiment first, combiner 446 can be operated in the symbol rank.Can be understood that combiner 446 can be operated in any data combination known in the art by those skilled in the art.

Fig. 6 shows among the embodiment first the flow chart of coded combination method in the communication system.In step 602, information is encoded in control centre, has produced coded identification thus.In embodiment first, control centre comprises a base station controller.In embodiment first, control centre comprises a base station.

For teaching purpose, show the coded combination method in conjunction with first base station 420 and base station N430.Can be understood that, return in the case to have only a base station by those skilled in the art, can be understood that by those skilled in the art equally when N＞1, to have any amount of base station N at one.

According to embodiment first, coded identification subclass is distributed to a plurality of base stations.In step 604, a part or all coded identifications are distributed to first base station 420.Equally, in step 606, a part or all coded identifications are distributed to base station N430, and wherein N is distributed to the number of base stations of coded identification.

In step 608, modulate the coded identification that first base station 420 receives according to the available resources of first base station 420.Equally, in step 610, modulate the coded identification that base station N430 receives according to the available resources of base station N430.In embodiment first, available resources comprise the available energy of given base station.In embodiment first, available resources comprise walsh code (Walsh code) number that can use given base station.In embodiment first, available resources comprise the transmitting continuous time.

In step 612, transmission is from the modulated symbols (from step 608) of first base station 420 on the F-PDCH that is used for first base station 420.Equally, in step 614, transmission is from the modulated symbols (from step 610) of base station N430 on the F-PDCH that is used for base station N430.

In step 616, mobile radio station receives the modulated symbols from first base station 420.In step 618, mobile radio station receives the modulated symbols from base station N430 equally.

In step 620, mobile radio station 440 has obtained to be received in the necessary control information of modulated symbols that the F-PDCH that is used for first base station 420 goes up transmission.Equally, in step 622, mobile radio station 440 has obtained to be received in the necessary control information of modulated symbols that the F-PDCH that is used for base station N430 goes up transmission.

In step 624, utilize to be received in the necessary control information of modulated symbols that the F-PDCH that is used for first base station 420 goes up transmission, mobile radio station 440 receives from the modulated signal of first base station 420 (from step 612).Equally, in step 626, utilize to be received in the necessary control information of modulated symbols that the F-PDCH that is used for base station N430 goes up transmission, mobile radio station 440 receives from the modulated signal of base station N430 (from step 614).

In step 628, the modulated symbols that receives from a plurality of base stations is combined, and produces composite signal, promptly is positioned over the composite symbol in the decoder buffer.

In step 630, the decoding composite signal.

In embodiment first, at control centre's coding block of for example BSC.Coded identification is distributed to a plurality of base stations then.The coded identification of part or all can be transmitted in each base station.

In embodiment first, a BSC distributes all coded identifications to each base station.Each base station then judges whether to transmit part or all symbol based on its available communication resources (energy, walsh code, duration), and the symbol that modulation is selected also transmits them.In this case, not cooperation between the base station.

In another embodiment, each base station is periodically to its available communication resources (energy, walsh code, duration) of BSC report.BSC judges then which base station will be transmitted what part of coded identification.The BSC operation will a plurality of base station transmits situation of coded identification equally be occurred by intersection and the minimizing that different base station transmits to reduce.Like this, some cooperations have appearred in the base station.Result of the joint efforts is that the valid code ratio may reduce.

In embodiment first, on receiver, subscriber station judges how to make up the symbol that receives from different base stations.According to F-PDCCH that F-PDCH is associated in information, what two metasymbols that subscriber station can have been judged each base station transmits.Yet, still need out of Memory to make up symbol from different base station.

In embodiment first, defined a rule in advance, point out which symbol of which base station transmits.In embodiment first, each base station has the starting point of an acquiescence to be used for transmission symbol in bit stream, and the starting point of these acquiescences is known to the subscriber station.In another embodiment, first base station always begins transmission symbol from the bit stream head end, and second base station always begins and along the bit stream reverse operation from the end of bit stream.

In embodiment first, use explicit posting a letter.Which symbol each base station sends from the signal of base station transmits to subscriber station.Post a letter and can be explanation the scope of selected symbol.To those skilled in the art is conspicuous, has other method of posting a letter to subscriber station, and what symbol indication is transmitting from each base station.

Those skilled in the art are understandable that, can be with any represents information and signal in multiple different science and technology and the technology.For example, above describing mentioned data, instruction, order, information, signal, bit, code element and chip can represent with voltage, electric current, electromagnetic wave, magnetic field or its particle, optical field or its particle or any their combination.

The one skilled in the art will be understood that also various illustrative components, blocks, module, circuit and the algorithm steps described in conjunction with the embodiment that discloses may be implemented as electronic hardware, computer software or both combinations here.For the interchangeability of hardware and software clearly is described, various illustrative components, blocks, module, circuit and algorithm steps are usually described by the function by them hereinbefore.It still is that software depends on application-specific and the constraint that whole system is designed that these functions are implemented as hardware.Those of skill in the art can use various distinct methods to realize described function at concrete application, but the decision of such implementation can not be interpreted as departing from the scope of the present invention at this point.

The realization of the various illustrative components, blocks of describing together in conjunction with the embodiment that discloses here, module, circuit or carry out and to use: general-purpose processor, digital signal processor (DSP), application-specific IC (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components or any described combination of devices that is designed to finish said function.General-purpose processor can be microprocessor, yet or, processor can be any conventional processors, controller, microcontroller or state machine.The combination of the same available computing equipment of processor realizes, as, the combination of DSP and microprocessor, a plurality of microprocessor, in conjunction with a plurality of microprocessors or other combination of this type of configuration arbitrarily of DSP core.

Algorithm or the method step of describing together in conjunction with the embodiment that discloses here can directly be included in the hardware, in the software module that processor is carried out or in the combination at both.Software module can reside in the storage medium known in the art of RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or any other form.Exemplary storage medium is connected with processor, and processor can read and writing information from storage medium like this.Perhaps, storage medium can be integrated into processor.Processor and storage medium can reside among the ASIC.ASIC can reside in the user terminal.Selectively, processor and storage medium can be used as discrete assembly and reside in the user terminal.

Provide above description can make any those of skill in the art in this area realize or use the present invention to disclosed embodiment.To one skilled in the art, be conspicuous to the various modifications of these embodiment, the General Principle of definition can be applied among other embodiment that does not break away from the scope of the invention and spirit herein simultaneously.Therefore, the present invention attempts to be not limited to the embodiment that provided, but meets and the corresponding to wide region of the principle that is disclosed and novel feature.

The disclosure of a this patent text part comprises data protected by copyright.The copyright holder does not oppose anyone to the duplicating of patent text or patent disclosure, and in the file of (U.S.) patent and trademark office or the form in the record, but keeps other all copyright rights whatsoever according to it.

Claims (13)

1. the method for a combination may further comprise the steps:

The bit set of encoding;

First subclass of coded-bit is distributed to first stop;

Second subclass of coded-bit is distributed to second station;

Modulate first bit subset, this modulation step produces modulated first bit subset;

Modulate second bit subset, this modulation step produces modulated second bit subset;

Modulated first bit subset is transferred to the 3rd station;

Modulated second bit subset is transferred to the 3rd station;

Modulated first bit subset of demodulation, this demodulation step produces demodulated first bit subset;

Modulated second bit subset of demodulation, this demodulation step produces demodulated second bit subset;

With demodulated first bit subset and the combination of demodulated second bit subset.

2. the method for claim 1 is characterized in that, described first stop and described second station are the base station.

3. the method for claim 1 is characterized in that, described the 3rd station is a subscriber station.

4. the method for claim 1 is characterized in that, indicates the regulation of first bit subset and second bit subset to carry out described combination step based on one in advance,

5. the method for claim 1 is characterized in that, based on carrying out described combination step from the first stop and second station to the signaling at the 3rd station.Indicated first bit subset from the signaling of first stop, and indicated second bit subset from the signaling at second station.

6. the method for claim 1 is characterized in that, first stop transmits modulated first bit subset based on communication resources to the 3rd station.

7. method as claimed in claim 6 is characterized in that, described communication resources are the energy.

8. method as claimed in claim 6 is characterized in that, described communication resources are the available a plurality of walsh code (Walsh code) of transmission.

9. method as claimed in claim 6 is characterized in that, described communication resources are the available transmission time.

10. the method for claim 1 further comprises, according to first stop can with the available communication resources of the communication resources and second station determine first bit subset and second bit subset.

11. method as claimed in claim 10 further comprises, to the 4th station report first stop and the available communication resources in second station, wherein first bit subset and second bit subset are judged in the 4th station.

12. method as claimed in claim 10 is characterized in that, carries out described transmission on a forward data grouped channels.

13. method as claimed in claim 12, it is characterized in that, the 3rd station basis determines to have sent how many bits from first stop from the information on the forward data packet control channel of first stop, and based on determining to have sent how many bits from second station from the information on the forward data packet control channel at second station.

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