CN101385272A - Flexible payload control in data-optimized communication systems - Google Patents
Flexible payload control in data-optimized communication systems Download PDFInfo
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- CN101385272A CN101385272A CNA2007800057879A CN200780005787A CN101385272A CN 101385272 A CN101385272 A CN 101385272A CN A2007800057879 A CNA2007800057879 A CN A2007800057879A CN 200780005787 A CN200780005787 A CN 200780005787A CN 101385272 A CN101385272 A CN 101385272A
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Abstract
An access terminal (AT) and a data-optimized cellular communication radio network (RN) negotiate a set of packet sizes for use on a reverse link between the AT and the RN. The negotiated set of packet sizes may differ from the default set of packet sizes defined in an existing standard, such as 1xEV-DO Revisions A and B. The packet sizes in the negotiated set may be tailored to provide a good fit with an application transmitting data on the reverse link, such as a voice encoder of a voice over Internet Protocol (VoIP) application. The AT and the RN communicate using the negotiated set of packet sizes. The packet sizes of the negotiated set may be mapped to the same reverse rate indicator (RRI) channel codewords as are defined in systems operating under the standard. Packing efficiency is thus increased, and higher capacity for delay-sensitive applications is achieved.
Description
Advocate priority according to 35U.S.C. § 119
Present application for patent advocates that on February 21st, 2006, the title of application was the priority of the 60/775th, No. 443 U.S. Provisional Patent Application case of " wireless communication system and method " (" Wireless Communication System and Method, "); Present application for patent is also advocated the priority of the title of application on February 21st, 2006 for the 60/775th, No. 693 U.S. Provisional Patent Application case of " DO communication system and method " (" DO Communication System and Method, ").In these temporary patent application cases each all transfers the assignee of the application's case, and is incorporated herein clearly with the form of quoting as complete elaboration ground, comprises all figure, table and claim.
Technical field
The present invention relates to telecommunications by and large, and more particularly, the present invention relates to cellular communications system.
Background technology
The expectation Modern Communication System is that multiple application program (for example voice and data-application) provides reliable transfer of data.In the point-to-multipoint delivery environment, known communication system is based on frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA) and (perhaps) other multiple access communication scheme.
Cdma system can be designed to support one or more CDMA standards, for example (1) " the TIA/EIA-95 travelling carriage base station compatibility standard that is used for double mode wideband spread spectrum cellular formula system " (this standard can be called " IS-95 standard " with its enhancing revised edition A and B), (2) " TIA/EIA-98-C that is used for double mode wideband spread spectrum cellular formula travelling carriage recommends minimum standard " (" IS-98 standard "), (3) initiate and be embodied in one group and be called standard in the document of " W-CDMA standard " by by name " third generation partner program " association (3GPP), (4) initiate and be embodied in one group of standard in the file by " third generation partner program 2 " by name association (3GPP2), described document comprises " the TR-45.5 physical layer standard that is used for the cdma2000 spread spectrum system ", " C.S0005-A upper strata (the 3rd layer) the signal transmission standard that is used for the cdma2000 spread spectrum system " reaches " TIA/EIA/IS-856 cdma2000 high speed packet data air interface specification " (being referred to as " cdma2000 standard "), (5) 1xEV-DO standard and (6) some other standard.The standard of below clearly listing as complete elaboration be incorporated herein, comprise annex, appendix and other additives.
Developed data-optimized or " DO " cellular communications system to satisfy for the ever-increasing demand of wireless data service.As what title contained, the DO system optimizes at transfer of data (with respect to voice transfer), and exactly described system optimizes at downlink transmission.Data-optimized systems needn't be got rid of the voice transfer on uplink data transmission or the either direction.It should be noted that voice also can be used as transfer of data, for example, in the situation of internet voice protocol (VoIP) transmission.
In honeycomb fashion DO cdma system, aloft any one in the many predefine bag sizes of use (for example 128,256,512,768,1024,1536,2048,3072,4096,6144,8192,12288 sizes) transmitted reverse link data on the interface.Usually, described size is corresponding to different speed, although use the incremental redundancy with hybrid automatic repetitive requests (HARQ) may influence the actual speed rate that realizes at the scene.
Some application programs provide not just in one of described predefine size with interior bag.For example, the vocoder of voip phone application program (speech coder) can provide 300 periodic packets.According to a kind of method, can be by the bag size of selecting still to provide than described application program the predefine bag size of big minimum handle this a little situations.For 300 application packet sijze, can therefore select 512 bag sizes on the reverse link of interface aloft.Then, described bigger bag is used for transmit at least a portion of two or more bags that provide by vocoder (or Another Application program).The method causes extra delay, because must wait for a plurality of vocoder packets is assembled in the single air interface packet.For the service quality (QoS) of application program, described extra delay may be excessive.For fear of extra delay, other method is inserted a user application packet in the bigger air interface packet, and remaining bit is filled in the bigger bag of size.The method has been wasted the position of having filled, and therefore causes loss of spectral efficiency, and disturbing increases and shorter battery life.
Therefore, in this technology, need the compression efficiency on the improvement reverse link and the method and apparatus of spectrum efficiency.In this technology, also need the method and apparatus of improvement to the reverse link efficient of the application program of delay-sensitive.In this technology, further need keep with the old-fashioned back compatible that accesses terminal simultaneously and minimize or eliminate the method and apparatus that the hardware to radio net changes the reverse link efficient of the application program of delay-sensitive improving.
Summary of the invention
The embodiment of Jie Shiing solves the needs of above narration by negotiation method, equipment and the machine readable goods that are provided for implementing being used for one group of admissible data traffic packet size of reverse link herein.
In one embodiment, provide a kind of method of transferring data on the reverse link between wireless access terminal and the radio net that is used for.Said method comprising the steps of: (1) is identified for one or more desired air interface packet sizes of described reverse link based on one or more parameters; (2) be identified for desired one group of air interface packet sizes of described reverse link, described desired group of each desired air interface packet sizes that comprises described one or more desired air interface packet sizes; (3) use described desired group request to described radio net transmission at the data service on the described reverse link; (4) in response to the described step of transmission described request, receive one group of air interface packet sizes of intending being used for the data service on the reverse link through consulting to described radio net; And (5) use described group through negotiation to transmit described data service on reverse link.
In one embodiment, a kind of wireless access terminal that is used for communicating by letter with the base transceiver station of radio net comprises: receiver, and it is configured to receive forward link transmissions from described base transceiver station; And transmitter, it is configured to send rl transmission to base transceiver station; Memory, it is program code stored; And controller, it is couple to described receiver, described transmitter and described memory.Described controller is configured to carry out described program code, carries out these steps to cause described wireless access terminal: (1) is identified for one or more desired air interface packet sizes of described reverse link based on one or more parameters; (2) be identified for desired one group of air interface packet sizes of described reverse link, described desired group of each desired air interface packet sizes that comprises described one or more desired air interface packet sizes; (3) use described desired group request to described radio net transmission at the data service on the described reverse link; And (4) receive one group of air interface packet sizes through consulting of intending being used for the data service on the described reverse link in response to described transmitting step.
In one embodiment, a kind of machine-readable medium has the instruction that is embedded in wherein.When at least one processor by the wireless access terminal that is used for communicating by letter with the base transceiver station of radio net executes instruction, described instruction causes described wireless access terminal to carry out following operation: (1) is identified for one or more desired air interface packet sizes of the reverse link between described wireless access terminal and the described radio net based on one or more parameters; (2) be identified for desired one group of air interface packet sizes of described reverse link, described desired group of each desired air interface packet sizes that comprises described one or more desired air interface packet sizes; (3) transmit at the described desired group request of the data service on the described reverse link to described radio net; (4), receive one group of air interface packet sizes of intending being used for the described data service on the described reverse link through consulting in response to described transmitting step; And (5) use described group through negotiation to transmit described data service on reverse link.
In one embodiment, provide a kind of method of transferring data on the reverse link between wireless access terminal and the radio net that is used for.Described method comprises these steps: (1) is identified for desired one group of air interface packet sizes of described reverse link, and described desired group of one group of air interface packet sizes with the acquiescence of described radio net is different; (2) be used to consult to intend be used for the step of one group of air interface packet sizes through consulting of the data service on the described reverse link; And (3) use described group through negotiation to transmit described data service on described reverse link.
In one embodiment, provide a kind of method that operating data is optimized radio net that is used for.One group of bag size that described radio net is configured to give tacit consent to is used for the data service on the reverse link.Described method comprises: (1) receives desired one group of bag size of the data service on the reverse link that is used between described radio net and the described wireless access terminal from the wireless access terminal, the described desired group of group with described acquiescence is different; (2) be identified for one group of bag size through consulting of the data service on the described reverse link, described determining step is at least in part based on described desired group and carry out; (3) described group through consulting is transferred to the wireless access terminal; (4) on described reverse link, receive a plurality of data traffic packet; And (5) receive a plurality of indications of the size of described data traffic packet from described wireless access terminal.According to the method, each indication in described a plurality of indication is associated with the different pieces of information business packet in described a plurality of data traffic packet, described each indication determine (corresponding to) size of the data traffic packet that is associated with described each indication, described each indication is to be selected from described group through consulting, and at least one indication in described a plurality of indication is corresponding to the bag size that is not included in the described default set.
In one embodiment, provide a kind of method that operating data is optimized radio net that is used for, one group of bag size that described radio net is configured to give tacit consent to is used for the data service on the reverse link.Described method comprises that (1) is used to consult to be used for one group of bag size through consulting of the data service on the reverse link between described radio net and the wireless access terminal; (2) described group through consulting is transferred to described wireless access terminal; (3) on described reverse link, receive a plurality of data traffic packet; And (4) receive a plurality of indications of the size of described data traffic packet.According to the method, each indication in described a plurality of indication is associated with the different data traffic packet in described a plurality of data traffic packet, the size of the definite data traffic packet that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting, and at least one indication in described a plurality of indication is corresponding to the bag size that is not included in the described default set.
A kind of base transceiver station of data-optimized radio network is provided in one embodiment.One group of bag size that described radio net is configured to give tacit consent to is used for the data service on the reverse link.Described base transceiver station comprises: receiver, and it is configured to receive data; Transmitter, it is configured to transmit data; And processor, it is couple to described receiver and described transmitter.Described processor is configured to cause described base transceiver station to carry out following steps: (1) receives desired one group of bag size of the data service on the reverse link that is used between described base transceiver station and the described wireless access terminal from the wireless access terminal, the described desired group of group with described acquiescence is different; (2) be identified for one group of bag size through consulting of the data service on the described reverse link, described determining step is at least in part based on described desired group and carry out; (3) described group through consulting is transferred to the wireless access terminal; (4) on described reverse link, receive a plurality of data traffic packet; And (5) receive a plurality of indications of the size of described data traffic packet from described wireless access terminal, each indication in described a plurality of indication is associated with the different data traffic packet in described a plurality of data traffic packet, the size of the definite data traffic packet that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting, at least one indication in described a plurality of indication is corresponding to one in the described group through consulting, and described Xiang Wei is included in the group of described acquiescence.
In one embodiment, a kind of machine-readable medium has the instruction that is embedded in wherein.Described instruction can be carried out by at least one processor of the base transceiver station of data-optimized radio network.One group of bag size that described radio net is configured to give tacit consent to is used for the data service on the reverse link.Described instruction causes described base transceiver station to carry out following operation: (1) receives desired one group of bag size of the data service on the reverse link that is used between described base transceiver station and the described wireless access terminal from the wireless access terminal, the described desired group of group with described acquiescence is different; (2) be identified for one group of bag size through consulting of the described data service on the reverse link, described determining step is at least in part based on described desired group and carry out; (3) described group through consulting is transferred to the wireless access terminal; (4) on described reverse link, receive a plurality of data traffic packet; And (5) receive a plurality of indications of the size of described data traffic packet from described wireless access terminal, each indication in described a plurality of indication is associated with the different data traffic packet in described a plurality of data traffic packet, the size of the definite data traffic packet that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting, and at least one indication in described a plurality of indications is corresponding to the bag size in the group that is not included in described acquiescence.
With reference to following description, the graphic and claims of enclosing, will understand these and other embodiment of the present invention and aspect better.
Description of drawings
Fig. 1 explanation is according to the selected assembly of the data-optimized cellular communications system of CDMA of one embodiment of the invention configuration; And
Fig. 2 explanation is used to consult the selected step of the process of one group of admissible bag size on the reverse link of described system according to one embodiment of the invention.
Embodiment
In this document, speech " embodiment ", " version " and similar wording are used in reference to for particular device, process or make article, and may not mean same equipment, process or make article.Therefore, " embodiment " (or the similar wording) that is used for a position or environment can refer to particular device, process or make article; The same or similar wording of diverse location can refer to distinct device, process or make article.Wording " alternate embodiment " and similar phrase are used for representing one of a plurality of different possible embodiment.The number of possible embodiment may not be limited to two or any other quantity.
Speech " exemplary " is used to mean " as example, example or explanation " in this article.Being described as any embodiment of " exemplary " or version in this article may not be interpreted as preferred or be better than other embodiment or version.This all embodiment and version of describing described in the content is one exemplary embodiment and version; provide described embodiment and version so that the those skilled in the art can make or use the present invention, and it does not limit the scope of legal protection provided by the invention.
Speech " business " generally speaking refers to pay(useful) load or customer service, for example the data except that air interface control and pilot tone.
Access terminal (being also referred to as AT), subscriber stations, subscriber's installation, UE, portable terminal or MT moves or static, and can communicate by letter with one or more base transceiver stations.Accessing terminal can be in the polytype device any one, includes but not limited to PC card, external or internal modem, radio telephone and has the PDA(Personal Digital Assistant) of wireless communication ability.Access terminal and receive packet to radio network controller or from radio network controller via one or more base transceiver station transmits data packets.
Base transceiver station and base station controller are the part that is called the network of radio net, RN, access network and AN.Radio net can be UTRAN or UMTS terrestrial radio access network.Radio net can be between a plurality of accessing terminal transfer data packets.Radio net can further be connected to the additional networks of described radio net outside, for example Intranet, internet, conventional PSTN (PSTN) or another radio net, and can access terminal at each and transmit data and voice packet between a little therewith external networks.Decide on agreement and specific implementations, base transceiver station can be known as other title, comprises Node B, base station system (BSS) and is called for short the base station.Similarly, base station controller can be known as other title, comprises radio network controller, RNC, controller, mobile switching centre or Serving GPRS Support Node.
Scope of the present invention extends to these and similar wireless communication system components.
Fig. 1 illustrates the selected assembly of communication network 100, and communication network 100 comprises the radio network controller 110 that is couple to wireless base transceiver station 120A, 120B and 120C.Base transceiver station 120 is connected 140A with the 130A that accesses terminal, 130B, 130C and 130D via respective wireless and communicates by letter to 140E.Each expression forward link (from BTS to AT, being also referred to as down link) and reverse link (from AT to BTS, being also referred to as up link) in the wireless connections 140 both.Radio network controller 110 is couple to PSTN 150 via telephone exchange 160, and is couple to packet network 170 via bag data server node (PDSN) 180.Can use the agreement (for example, Internet Protocol (IP), asynchronous transfer mode (ATM) agreement, T1, E1, frame relay and other agreement) of any number to implement exchanges data between the variety of network components (for example radio network controller 110 with wrap data server node 180).
A plurality of or and even all described accessing terminal 130 can be arranged in same sub-district or position, or each accesses terminal and 130 can be arranged in independent sub-district or position.
The typical case access terminal (130A for example, accesses terminal) comprise acceptor circuit 131, transmitter circuit 132, encoder 133, decoder 134, equalizer 135, processor 136 and storage arrangement 137.Receiver, transmitter, encoder, decoder and equalizer are stored in the processor configuration of the program code in the storage arrangement by execution.Each accesses terminal and 130 is configured to use at least one host-host protocol (the packet radio host-host protocol described in the standard of the 1xEV-DO of comprising revised edition A for example mentioned above and B) to come Data transmission, and in 130 at least one of wherein accessing terminal is through further being configured to consult one group of reverse link packet sizes according to the version of describing in this document.As shown in fig. 1, access terminal 130 to come to communicate by letter to 140E with base transceiver station 120 via wireless connections 140A.
In the base transceiver station 120 each comprises one or more wireless receivers (for example receiver 121 of BTS 120A), one or more Wireless Transmitters (for example transmitter 122 of BTS 120A), radio network controller interface (for example interface 123), memory (for example memory 124), processor (for example processor 125) and encoder/decoder circuitry (for example encoder/decoder circuitry 126).Receiver/the transmitter of each base transceiver station to and other assembly be configured to set up by the processor (operating under the control of its program code in being stored in the memory of described BTS) at described station and access terminal 130 forward link and reverse link, thereby 130 send bag and 130 receive bag to accessing terminal from accessing terminal.For example, under the situation of data, services, base transceiver station 120 can receive forward chain data pack from packet network 170 via bag data server node 180 and via radio network controller 110, and these bags are transferred to access terminal 130.Base transceiver station 120 can receive the reverse link data packets that comes from 130 places that access terminal, and via radio network controller 110 and bag data server node 180 these bags is forwarded to packet network 170.Under the situation of phone (voice) service, base transceiver station 120 can receive forward chain data pack from telephone network 150 via telephone exchange 160 and via radio network controller 110, and these bags are transferred to access terminal 130.Can receive the voice packet that comes from 130 places that access terminal at base transceiver station 120 places, and these bags are forwarded to telephone network 150 via radio network controller 110 and telephone exchange 160.
In some alternate embodiment, the transmitter of each BTS, receiver and other assembly can respectively have independent processor.
In one embodiment, one or more (for example terminal 130A) that access terminal in 130 communicate by letter with the base transceiver station 120 (for example BTS 120A) of radio net.Radio net and one or more access terminal and be configured to define and consult one group of air interface packet sizes when connection are provided with.Simultaneously, one or the some persons who does not have in accessing terminal, accessing terminal can operate according to one group of air interface packet sizes according to existing (acquiescence, the non-negotiation) of one of aforesaid standards.In some versions, described group of bag size through consulting has and number according to the same number of big event of the default packet size item of one of aforementioned applicable air-interface standard.For example, the number of bag size can be 12 or 13.In this way, each the bag size in the air interface packet sizes can be mapped to the existing code word that the bag size on reverse rate (RRI) channel with existing air-interface standard is associated.
It should be noted that in some versions, also can in some versions, define and consult than in the described standard still less or more code word.For example, can be with (in the described standard) three the not extra bag big event of RRI codeword mappings in the described group of usefulness through consulting.In addition, the mapping of the item in the group through consulting needn't make: identical size is mapped to the big event according to the same code word of existing air-interface standard and described group through consulting.Under the situation of the size (128,256,512,768,1024,1536,2048,3072,4096,6144,8192,12288) of given existing standard as listed above, for example can use 300 new size rather than 512.Described group through consulting can be as follows then: 128,256,300,768,1024,1536,2048,3072,4096,6144,8192,12288.Under given situation, can shine upon identical sequence, so that increase the bag size in the group of negotiation according to the RRI code word sequence that increases the bag size sequence in acquiescence (standard) group.Then 300 new sizes are mapped to the RRI code word of 512 sizes that are used for default set.This is exemplary to be mapped in the following table 1 and to show, wherein RRI
iExpression is used to indicate the RRI code word of bag size, the RRI in the existing standard
iRow was (at RRI in the middle of the corresponding bag size of code word came across
iThe below) in, and the RRI in the group through consulting
iCorresponding bag size come across in the bottom line (also with RRI
iIn the identical row).Therefore, middle line display default set, and bottom line is represented the group through consulting.Same convention is applicable to other table of showing codeword mappings.
| Code word | RRI 1 | RRI 2 | RRI 3 | RRI 4 | RRI 5 | RRI 6 | RRI 7 | RRI 8 | RRI 9 | RRI 10 | RRI 11 | RRI 12 |
| Standard packet size | 128 | 256 | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 | 12288 |
| Bag size through consulting | 128 | 256 | 300 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 | 12288 |
Table 1
In the example shown in the table 1, near new 300 sizes of adding, lost certain granularity, because in group, substituted 512 default size with 300 sizes through consulting.Now, the bag size is selected to jump to 768 from 300, promptly is higher than 2.5 ratio.
According to other method, described group through consulting can be as follows: 128,256,300,512,768,1024,1536,2048,3072,4096,6144,8192., between 256 and 512 default size, add 300 sizes herein, replaced 12288 default size.The method may be favourable, because ask the application program of 300 air interface packet sizes more likely not need 12288 sizes but not 512 sizes or any other bag size.It is can be respectively identical with the RRI code word of the acquiescence 128 of existing standard/system and 256 sizes to be used for the RRI code word of 128 and 256 sizes, and can give tacit consent to the RRI codeword mappings of 512,768,1024,1536,2048,3072,4096,6144,8192,12288 sizes to the RRI code words that are used for through 300,512,768,1024,1536,2048,3072,4096,6144,8192 bag sizes of negotiation group with being used in order.This exemplary being mapped in the following table 2 is showed.
| Code word | RRI 1 | RRI 2 | RRI 3 | RRI 4 | RRI 5 | RRI 6 | RRI 7 | RRI 8 | RRI 9 | RRI 10 | RRI 11 | RRI 12 |
| Standard packet size | 128 | 256 | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 | 12288 |
| Bag size through consulting | 128 | 256 | 300 | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 |
Table 2
In some versions, the group through consulting substitutes apart from the bag size size farthest that newly defines with the bag size that newly defines.Farthest can (for example) measuring in this context with linear mode (maximum difference of the bits number between size that newly defines and the bag size that removes) or with logarithm/geometric ways (two size between maximum rate) in dB.
In some versions, the RRI codeword mappings of bag size that will be used for the group through consulting as far as possible is to the code word corresponding to the identical size in the default set of existing standard.When substituting 12288 with 300 sizes when big or small, for example RRI code word correspondence can be as shown in following table 3:
| Code word | RRI 1 | RRI 2 | RRI 3 | RRI 4 | RRI 5 | RRI 6 | RRI 7 | RRI 8 | RRI 9 | RRI 10 | RRI 11 | RRI 12 |
| Standard packet size | 128 | 256 | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 | 12288 |
| Bag size through consulting | 128 | 256 | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 | 300 |
Table 3
The advantage of the method is that some new bag that RRI mapping only defined in the RL bag size for described group through consulting is big or small and changes.Example in the table 3 also illustrates removing apart from new bag size bag size farthest of adding.
By base transceiver station 120 and access terminal 130 consult the default set of the alternative existing standard of described group of bag size in a plurality of and even all bag sizes.Therefore, the big I of the non-standard packet of a plurality of tight spacings is present in the group of negotiation.For example, the interval between the adjacent bag size in the default set can be decomposed into son at interval by two or more bag sizes that newly define of described group through consulting.Described interval can be decomposed into the son interval that equates or equate substantially (equal as far as possible).Following table 4 provides an example of this version, wherein 768 with 1024 between the interval be broken down into three sons that equate substantially at interval (85,86 and 85).
| Code word | RRI 1 | RRI 2 | RRI 3 | RRI 4 | RRI 5 | RRI 6 | RRI 7 | RRI 8 | RRI 9 | RRI 10 | RRI 11 | RRI 12 |
| Standard packet size | 128 | 256 | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 | 12288 |
| Bag size through consulting | 128 | 256 | 512 | 768 | 853 | 939 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 |
Table 4
Interval between the non-conterminous bag size of existing standard system also can be decomposed into son at interval similarly.Described son can equate at interval or equate substantially or be spaced apart with a geometric proportion.Following table 5 has illustrated at 3072 and 6144 bags to have the version that equates the son interval between the sizes.
| Codeword Sets | RRI 1 | RRI 2 | RRI 3 | RRI 4 | RRI 5 | RRI 6 | RRI 7 | RRI 8 | RRI 9 | RRI 10 | RRI 11 | RRI 12 |
| Standard packet size | 128 | 256 | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 4096 | 6144 | 8192 | 12288 |
| Bag size through consulting | 512 | 768 | 1024 | 1536 | 2048 | 3072 | 3840 | 4608 | 5376 | 6144 | 8192 | 12288 |
Table 5
Version described above is exemplary.Group through consulting can have other bag sizes values.In fact, all bag sizes all can be through consulting and become different in the default packet size values of using according to existing standard.Usually, can be by any way be assigned to bag size in the group through consulting, and the present invention does not get rid of use than the number of the RRI code word in the existing standard system still less or the number of more RRI code word with having the RRI code word now.Some access terminal can be after consulting one group of bag size and radio network communication, and other accesses terminal and can use the default packet size set of existing standard simultaneously.In this way, one or more old-fashioned accessing terminal can be served as accessing terminal of one or more groups that are configured to consult admissible reverse link packet sizes simultaneously.
Turbine code (for example R=1/5) can be used for radio net.Be not turbine interleaver parameter that the big I of bag of 2 power is used next the bigger bag size that is based upon 2 power just.Can use the interleaver that is used for greater than the smallest default pay(useful) load of the pay(useful) load of intending transmission, and look-up table is used for determining definite bag size.If for the default packet size of existing standard system defined overall transmission power to pilot power than (T2P), then by the T2P value of the acquiescence of interpolation linearly pay(useful) load bag size, can produce the T2P that is used for new (through negotiation) pay(useful) load bag size.
Fig. 2 explanation consult to be used for to access terminal and radio net between the example procedure 200 carried out of the process of one group of bag size of reverse link.Can carry out described step by access terminal (for example AT 130A) and base transceiver station (for example BTS 120A).
At flow points 201 places, access terminal and prepare the described process of beginning.
At step 210 place, determine one or more desired values of the bag size of reverse link.In a version, access terminal from receiving the bag sizes values at one or more user applications carried out that access terminal.For example, the vocoder of voip phone application program can provide one or more bag sizes.Described application program can be stored described value, or dynamically determines the bag sizes values in response to current needs, current configuration and/or current QoS.
At step 220 place, access terminal and determine the complete one group bag size of plan to the radio net request.For example, access terminal available receive from application program one or more be worth to substitute one or more default values of existing standard, as above show and the explanation of enclosing in illustrated.
At step 230 place, accessing terminal is transmitted on the reverse link desired group the request of using to radio net (for example to BTS).This can finish by use previous code word of not assigning on one of The function of backward power control channel.
At step 240 place, radio net receives the bag sizes values that will organize from accessing terminal.
At step 250 place, radio net uses the predefine standard to come to produce the bag sizes values of himself organizing based on the described group of desired value that receives from accessing terminal.For example, radio net can be accepted from the value of the reception that accesses terminal.As another example, radio net can come to substitute the desired non-default value that accesses terminal with one or more different non-acquiescences or default value based on some parameters (service quality that for example is assigned to application program or accesses terminal).In some versions, radio net also can be determined no matter how the preference that accesses terminal all should use default set.In some versions, radio net also can be big or small to bag with the RRI codeword mappings, or change the mapping (if in step 230, access terminal request mapped specific) of RRI code word to the bag size according to the request that accesses terminal.
At step 260 place, the described group of bag sizes values that radio net will be intended using on reverse link is transferred to and accesses terminal.If predefine RRI mapping order not as yet, then it also can be passed to and accesses terminal.Downlink control channel can be used for this purpose.
At step 270 place, radio network configuration self with the group (but not default set) of the bag size values/mappings use to intend used from the reception reverse link data that accesses terminal.Therefore described group from the radio net transmission becomes the group through consulting.Notice that if radio net is accepted from the value of the reception that accesses terminal, then the group through consulting is identical with desired group.
At step 280 place, access terminal and receive the group of the bag size values/mappings of intending use from radio net.
At step 290 place, the configuration self that accesses terminal is transmitted reverse link data with the group (but not default set) of using the bag size values/mappings through consulting.
At step 295 place, the group of using the bag size values/mappings through consulting that accesses terminal is transmitted reverse link data to radio net.The bag of transmission may have one or more sizes in the bag size of the default set of not being included in.Described process ends at flow points 299 then.
As shown in Figure 2, use from the single request that accesses terminal and from the single response of access network and consult to obtain described group of bag sizes values.Yet, in some versions,, can use a plurality of requests and response when access network does not access terminal desired group the time immediately.For example, but repeating step 220 to 260 is more than twice or twice, to reach one group of reverse link packet sizes, wherein determining to be subjected to the influence of radio net for the second time and in the step 220 in the iteration afterwards to desired group response of previous transmission through consulting.
Also negotiable RRI codeword mappings in some versions, or for example use the predetermined RRI code word sequence that is the bag size order that rises or descend to come the predefine mapping.
Although in this disclosure, described the step and the decision-making of the whole bag of tricks in regular turn, these steps and the decision-making in have some can by individual component with common or parallel, asynchronous or synchronous, carry out with pipelined fashion or alternate manner.Do not have following particular requirement: described step and decision-making are carried out to describe the identical order of in the content it being listed of order therewith, unless based on context clear and definite so explanation otherwise can be understood, or inherent requirement is arranged.Yet it should be noted that described step and decision-making are carried out with above-mentioned order in selected version.In addition, be not in each embodiment/version according to the present invention, all may require illustrated each step and decision-making, and in according to some embodiments of the present invention/version, some steps that do not specify and decision-making may be to need or necessity.
Those skilled in the art will appreciate that, can use any one representative information and signal in various different technologies and the skill and technique.For example, running through in the above description process citable data, instruction, order, information, signal, position, symbol and chip can be represented by voltage, electric current, electromagnetic wave, magnetic field or magnetic-particle, light field or optical particulate or its any combination.
The those skilled in the art will be further understood that various illustrative logical blocks, module, circuit and the algorithm steps of describing in conjunction with embodiments disclosed herein can be embodied as electronic hardware, computer software or both combinations.In order clearly to show this interchangeability of hardware and software, more than functional various Illustrative components, block, module, circuit and step are described about it substantially.Application-specific and the design constraint of forcing on the whole system depended in this functional combination that is embodied as hardware, software or hardware and software.The those skilled in the art can implement described functional with variation pattern at each application-specific, but these a little implementation decisions should not be construed as and cause departing from the scope of the present invention.
Various illustrative logical blocks, module and the circuit of describing in conjunction with embodiments disclosed herein can be implemented together with the general processor that is designed to carry out function described herein, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components or its arbitrary combination or carry out.General processor can be a microprocessor, but in replacement scheme, described processor can be arbitrary conventional processors, controller, microcontroller or state machine.Processor also can be embodied as the combination of calculation element, for example, and DSP and the combination of microprocessor, a plurality of microprocessor, one or more microprocessors that combine with the DSP core or any other this configuration.
In the software module that the method for describing in conjunction with embodiments disclosed herein or the step of algorithm can be embodied directly in the hardware, carried out by processor, or in this both combination.Software module can reside in the medium of any other form known in RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, removable disk, CD-ROM or this technology.Exemplary storage medium is couple to processor so that described processor can or write information to described medium from described read information.In replacement scheme, medium can be incorporated in the processor.Processor and medium can reside among the ASIC.During ASIC can reside at and access terminal.Perhaps, processor and medium can be used as discrete component and reside at and access terminal.
The those skilled in the art provide previous description to announcement embodiment so that can make or use the present invention.The those skilled in the art will understand the various modifications to these embodiment easily, and under the situation that does not break away from the spirit or scope of the present invention, the General Principle that this paper defined can be applied to other embodiment.Therefore, the present invention is intended to be limited to the embodiment that this paper shows, and should meet and principle disclosed herein and the consistent widest range of novel feature.
Claims (35)
1. method of transferring data on the reverse link between wireless access terminal and the radio net, described method comprises:
Be identified for one or more desired air interface packet sizes of described reverse link based on one or more parameters;
Be identified for desired one group of air interface packet sizes of described reverse link, described desired group comprises each desired air interface packet sizes in described one or more desired air interface packet sizes;
To use described desired group request to be transferred to described radio net at the data service on the described reverse link;
In response to the described step of transmission described request, receive one group of air interface packet sizes of intending being used for the described data service on the described reverse link through consulting to described radio net; And
Use described group on described reverse link, to transmit described data service through negotiation.
2. method according to claim 1, wherein:
Described radio net produces described group through consulting based on described desired group at least in part; And
Described communication steps comprises: a plurality of indications of the size of a plurality of reverse link traffic bags and described reverse link traffic bag are sent to described radio net from described wireless access terminal, each indication in described a plurality of indication is associated with the different reverse link traffic bag in described a plurality of reverse link traffic bags, the size of the definite described reverse link traffic bag that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting, and at least one indication in described a plurality of indications is corresponding to the bag size in one group of reverse link traffic bag size of the acquiescence that is not included in described radio net.
3. method according to claim 2, wherein said one or more parameters comprise the preference of the application program of described wireless access terminal.
4. method according to claim 3, the number of the item in wherein said desired group equal the number of the item in the group of described acquiescence.
5. method according to claim 4, the number of the item in the wherein said group through consulting equal the number of the item in the group of described acquiescence.
6. method according to claim 3, wherein said group through consulting with described desired group identical.
7. method according to claim 3, wherein said group through consulting is different with the group of described acquiescence.
8. method according to claim 7, wherein said radio net use the group of described acquiescence to be at least one service of accessing terminal.
9. method according to claim 3, wherein said application program comprise internet voice protocol (VoIP) application program, and described preference comprises the speech coder bag size of described VoIP application program.
10. method according to claim 2 is wherein transmitted described each indication on reverse rate (RRI) channel as code word.
11. one kind is used for the wireless access terminal of communicating by letter with the base transceiver station of radio net, described wireless access terminal comprises:
Receiver, it is configured to receive forward link transmissions from described base transceiver station;
Transmitter, it is configured to send rl transmission to described base transceiver station;
Memory, it is program code stored; And
Controller, it is couple to described receiver, transmitter and described memory, and wherein said controller is configured to carry out described program code, carries out the step that comprises following content to cause described wireless access terminal:
Be identified for one or more desired air interface packet sizes of described reverse link based on one or more parameters;
Be identified for desired one group of air interface packet sizes of described reverse link, described desired group of each desired air interface packet sizes that comprises in described one or more desired air interface packet sizes;
To use described desired group request to be transferred to described radio net at the data service on the described reverse link; And
In response to described transmitting step, receive one group of air interface packet sizes of intending being used for the described data service on the described reverse link through consulting.
12. wireless access terminal according to claim 11, wherein said controller further is configured to carry out described program code, be indicated to described radio net with size a plurality of that cause described wireless access terminal to send a plurality of reverse link traffic bags and described reverse link traffic bag, each indication in described a plurality of indication is associated with the different reverse link traffic bag in described a plurality of reverse link traffic bags, the size of the definite reverse link traffic bag that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting.
13. wireless access terminal according to claim 12, wherein said program code further comprises application program, and described one or more parameters comprise the preference of described application program.
14. wireless access terminal according to claim 13, the number of the item in wherein said desired group equals the number of the item in the group of acquiescence of reverse link traffic bag size of described radio net, and at least one indication in described a plurality of indication is corresponding to the bag size in the group that is not included in described acquiescence.
15. wireless access terminal according to claim 14, the number of the item in the wherein said group through consulting equal the number of the item in the group of described acquiescence.
16. wireless access terminal according to claim 13, wherein said group through consulting with described desired group identical.
17. wireless access terminal according to claim 13, wherein said group through consulting is different with the group of the acquiescence of the reverse link traffic bag size of described radio net.
18. wireless access terminal according to claim 13, wherein said application program comprise internet voice protocol (VoIP) application program, and described preference comprises the speech coder bag size of described VoIP application program.
19. wireless access terminal according to claim 13, wherein said controller further are configured to carry out described program code, described indication are sent as code word on reverse rate (RRI) channel to cause described wireless access terminal.
20. a machine-readable medium that comprises instruction, described instruction causes described wireless access terminal to carry out the operation that comprises following content when being carried out by at least one processor of the wireless access terminal that is used for communicating by letter with the base transceiver station of radio net:
Based on one or more parameters, be identified for one or more desired air interface packet sizes of the reverse link between described wireless access terminal and the described radio net;
Be identified for desired one group of air interface packet sizes of described reverse link, described desired group of each desired air interface packet sizes that comprises in described one or more desired air interface packet sizes;
To use described desired group request to be transferred to described radio net at the data service on the described reverse link;
In response to the described step of transmission described request, receive one group of air interface packet sizes of intending being used for the described data service on the described reverse link through consulting to described radio net; And
Use described group on described reverse link, to transmit described data service through negotiation.
21. machine-readable medium according to claim 20, wherein:
Described group through consulting is at least in part based on described desired group and produce by described radio net; And
Described communication steps comprises: a plurality of indications of the size of a plurality of reverse link traffic bags and described reverse link traffic bag are sent to described radio net from described wireless access terminal, each indication in described a plurality of indication is associated with the different reverse link traffic bag in described a plurality of reverse link traffic bags, the size of the definite reverse link traffic bag that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting, and at least one indication in described a plurality of indications is corresponding to the bag size in the group that is not included in described acquiescence.
22. machine-readable medium according to claim 21, wherein said one or more parameters comprise the preference of the application program of described wireless access terminal.
23. machine-readable medium according to claim 22, wherein said application program comprise internet voice protocol (VoIP) application program, and described preference comprises the speech coder bag size of described VoIP application program.
24. machine-readable medium according to claim 22, wherein said each indication is transmitted as code word on reverse rate (RRI) channel.
25. a method of transferring data on the reverse link between wireless access terminal and the radio net, described method comprises:
Be identified for desired one group of air interface packet sizes of described reverse link, described desired group of one group of air interface packet sizes with the acquiescence of described radio net is different;
Be used to consult to intend be used for the step of one group of air interface packet sizes through consulting of the data service on the described reverse link; And
Use described group on described reverse link, to transmit described data service through negotiation.
26. an operating data is optimized the method for radio net, one group of bag size that described radio net is configured to give tacit consent to is used for the data service on the reverse link, and described method comprises:
Receive desired one group of bag size of the data service on first reverse link that is used between described radio net and described first wireless access terminal from first wireless access terminal, the described desired group of group with described acquiescence is different;
Be identified for one group of bag size through consulting of the data service on described first reverse link, described determining step is at least in part based on described desired group and carry out;
Described group through consulting is transferred to described first wireless access terminal;
On described first reverse link, receive a plurality of first data traffic packet; And
Receive a plurality of first indications of the size of described first data traffic packet from described first wireless access terminal, each first indication in described a plurality of first indication is associated with different first data traffic packet in described a plurality of first data traffic packet, the size of first data traffic packet that definite and described each first indication of described each first indication is associated, described each first indication is to be selected from described group through consulting, and at least one first indication in described a plurality of first indications is corresponding to the bag size in the group that is not included in described acquiescence.
27. method according to claim 26, it further comprises:
According to described first indication that is associated with described each first data traffic packet, described each first data traffic packet is decoded.
28. method according to claim 27, wherein said group through consulting is different with the group of described acquiescence.
29. method according to claim 27, the described step that wherein receives described a plurality of indications is included on reverse rate (RRI) channel described each indication is received as code word.
30. method according to claim 27, it further comprises:
On second reverse link, receive a plurality of second data traffic packet from second wireless access terminal; And
Receive a plurality of second indications of the size of described second data traffic packet from described second wireless access terminal, each second indication in described a plurality of second indication is associated with different second data traffic packet in described a plurality of second data traffic packet, the size of described second data traffic packet that definite and described each second indication of described each second indication is associated, described each second indication is the group that is selected from described acquiescence.
31. an operating data is optimized the method for radio net, one group of bag size that described data-optimized radio network is configured to give tacit consent to is used for the data service on the reverse link, and described method comprises:
Be used to consult to be used for the step of one group of bag size through consulting of the data service on the reverse link between described radio net and the wireless access terminal;
Described group through consulting is transferred to described wireless access terminal;
On described reverse link, receive a plurality of data traffic packet; And
Receive a plurality of indications of the size of described data traffic packet, each indication in described a plurality of indication is associated with the different data traffic packet in described a plurality of data traffic packet, the size of the definite data traffic packet that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting, and at least one indication in described a plurality of indications is corresponding to the bag size in the group that is not included in described acquiescence.
32. one group of bag size that a base transceiver station that is used for data-optimized radio network, described radio net are configured to give tacit consent to is used for the data service on the reverse link, described base transceiver station comprises:
Receiver, it is configured to receive data;
Transmitter, it is configured to transmit data; And
Processor, it is couple to described receiver and described transmitter, and wherein said processor is configured to cause described base transceiver station to carry out the step that comprises following content:
Receive desired one group of bag size of the data service on first reverse link that is used between described base transceiver station and described first wireless access terminal from first wireless access terminal, the described desired group of group with described acquiescence is different;
Be identified for one group of bag size through consulting of the described data service on described first reverse link, described determining step is at least in part based on described desired group and carry out;
Described group through consulting is transferred to described first wireless access terminal;
On described first reverse link, receive a plurality of first data traffic packet; And
Receive a plurality of first indications of the size of described first data traffic packet from described first wireless access terminal, each first indication in described a plurality of first indication is associated with different first data traffic packet in described a plurality of first data traffic packet, the size of first data traffic packet that definite and described each first indication of described each first indication is associated, described each first indication is selected from described group through consulting, at least one first indication in described a plurality of first indication is corresponding to first in the described group through consulting, in described first group that is not included in described acquiescence.
33. base transceiver station according to claim 32, wherein said processor further are configured to cause described base transceiver station according to described first indication that is associated with described each first data traffic packet described each first data traffic packet to be decoded.
34. base transceiver station according to claim 33, wherein said processor further are configured to cause described base transceiver station to carry out the step that comprises following content:
On second reverse link, receive a plurality of second data traffic packet from second wireless access terminal; And
Receive a plurality of second indications of the size of described second data traffic packet from described second wireless access terminal, each second indication in described a plurality of second indication is associated with different second data traffic packet in described a plurality of second data traffic packet, the size of described second data traffic packet that definite and described each second indication of described each second indication is associated, described each second indication is the group that is selected from described acquiescence.
35. a machine-readable medium that comprises instruction, described instruction causes described base transceiver station to carry out the operation that comprises following content when at least one processor of the base transceiver station of the data-optimized radio network that is used for the data service on the reverse link by the one group of bag size that is configured to give tacit consent to is carried out:
Receive desired one group of bag size of the data service on the reverse link that is used between described base transceiver station and the described wireless access terminal from the wireless access terminal, the described desired group of group with described acquiescence is different;
Be identified for one group of bag size through consulting of the described data service on the described reverse link, described determining step is at least in part based on described desired group and carry out;
Described group through consulting is transferred to described wireless access terminal;
On described reverse link, receive a plurality of data traffic packet; And
Receive a plurality of indications of the size of described data traffic packet from described wireless access terminal, each indication in described a plurality of indication is associated with the different data traffic packet in described a plurality of data traffic packet, the size of the definite data traffic packet that is associated with described each indication of described each indication, described each indication is to be selected from described group through consulting, and at least one indication in described a plurality of indications is corresponding to the bag size in the group that is not included in described acquiescence.
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