CN1378758A - Method for carrying out TCP/IP service within mobile terminal of CDMA communication system - Google Patents

Method for carrying out TCP/IP service within mobile terminal of CDMA communication system Download PDF

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Publication number
CN1378758A
CN1378758A CN00814132.0A CN00814132A CN1378758A CN 1378758 A CN1378758 A CN 1378758A CN 00814132 A CN00814132 A CN 00814132A CN 1378758 A CN1378758 A CN 1378758A
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CN
China
Prior art keywords
air interface
application program
data
ran
program image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN00814132.0A
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Chinese (zh)
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CN1141851C (en
Inventor
刘炬
李道本
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Linkair Communications Inc
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Linkair Communications Inc
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Publication of CN1378758A publication Critical patent/CN1378758A/en
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Publication of CN1141851C publication Critical patent/CN1141851C/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/165—Combined use of TCP and UDP protocols; selection criteria therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/06—Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/14—Backbone network devices

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

In the mobile communication system, the RNA including terminal application program agent performs the transact of TCP/IP protocol cluster, MS is only the map of the agent application program, so as to greatly simplify the MS equipment. There are dynamic data pool in the RAN and the MS, so that the channel location of the air interface can be performed periodically according to the stored data amount and aiming at different users, thus improving the utilization ratio of the air interface radio resource.

Description

Method for carrying out TCP/IP service within mobile terminal of CDMA communication system
The method and technology field of TCP/IP business is realized in the mobile terminal of code division multiple address communication system
The present invention relates to the data service of mobile communication, the method for being related specifically to realize TCP/IP business in the mobile terminal MS of CDMA CDMA GSMs.Background technology
With the development of mobile communications network, the voice-and-data business of high power capacity is supported in air interface requirement simultaneously on limited frequency band.With the formulation of 3 G mobile communication network standard, the data transmission rate of mobile cell air interface has reached 2M or higher, the application of numerous technologies such as the spread-spectrum codes, Multiuser Detection, soft handover, smart antenna, software radio of a new generation, has made it possible that air interface realizes the data service of high power capacity on limited frequency band.Wherein, TCP/IP business is the important component of data service, is also an important directions of future wireless system network Development.
In existing CDMA systems, TCP/IP business typically uses two methods in the realization of air interface：One kind is to set up to be fixedly connected, that is, takes fixed Radio Resource.Such as in CDMA TDD systems, after user's application TCP/IP business, the code channel of the code channel of ascending time slot and a descending time slot may be distributed to this user by system respectively, for the transmission of TCP/IP business, until this end of service.Another is packet connection, the i.e. form of datagram shared channel.Now the IP datagram of multiple users shares a channel.Because data service has sudden and non real-time nature, the efficiency of connection is grouped than traditional efficiency high being fixedly connected.But , Fen Group connections will be to connect each time when packet is small and transmission frequency is again high Foundation substantial amounts of signaling is transmitted on air interface.So spectrum efficiency of the both approaches on air interface be not high.Again because their transmission is all based on IP datagram, although header-compressed can be carried out, but in mobile terminal（Also abbreviation MS below) but to be decompressed, and the processing procedure of the ICP/IP protocol cluster of complexity is carried out, everything all make it that MS service processing functions are more complicated.So, in air interface using by the way of blunt being undesirable the TCP/IP business of realizing MS based on IP data.In fact, because MS can not possibly the also unnecessary disposal ability for possessing computer, it is while speech business is supported, the a limited number of aspect such as Email, online browsing, ecommerce is only limitted to for data service, this is clearly unsuitable for for different operating system, the TCP/IP transmission means of different application design.The content of the invention
It is an object of the invention to provide a kind of method that TCP/IP business is realized in the mobile terminal of code division multiple address communication system, wireless access network is initiated and terminated in the processing of the not responsible ICP/IP protocol clusters of wherein MS, the processing of TCP/IP protocol families（Radio Access Network, also abbreviation RAN below) in MS agent applications, MS includes the image of application program in RAN, in TCP/IP business, and MS and RAN transmits application program image data without transmission of IP data report on air interface.
It is preferred that air interface Radio Resource is using the period of fixed length as periodic transfer application program image data, and according to redistributing the data volume of transmission to air interface Radio Resource in each currently transmitted cycle.
It is an advantage of the current invention that the disposal ability that MS need not possess ICP/IP protocol cluster can just enjoy TCP/IP services, the technology of ICP/IP protocol cluster is set to apply and air interface phase Separation, so that the spectrum efficiency of TCP/IP operational space interfaces is improved, while in turn simplify mobile station for the equipment complexity needed for supporting TCP/IP business.Brief Description Of Drawings
For the purpose of the present invention, scheme and advantage is more clearly understood, below especially exemplified by preferred embodiment and the present invention is described in more detail with reference to accompanying drawing.
Fig. 1 be the present invention the first preferred embodiment in, the realization principle block diagram of MS TCP/IP business；
Fig. 2 be the present invention the second preferred embodiment in, downlink IP datagram realizes schematic diagram to dynamic data pond；
Fig. 3 is the air interface schematic diagram for realizing the present invention.Implement the mode of the present invention
Idea of the invention is that, the agency that MS application programs are set up in wireless access network RAN, and MS only includes the image of agent application in RAN.The MS agent applications that TCP/IP business is initiated or terminated in RAN according to MS demand, just only application program image data need to be transmitted so on air interface, are applied the technology of ICP/IP protocol cluster and are separated with air interface.
It is preferred that air interface Radio Resource is using the period of fixed length as periodic transfer application program image data, and according to redistributing the data volume of transmission to air interface Radio Resource in each currently transmitted cycle.It is preferred that the described cycle can be the integral multiple of code division multiple access system physical frame.
There is application program image it is preferred that neutralizing and being set up in described MS in described RAN Dynamic data pond, application program image data are stored, MS and RAN transmit application program image data without transmission of IP data report on air interface, for downlink, are that the connection between specific MS application program image dynamic data pond and this MS is distributed in RAN；It is the connection in application program image dynamic data pond and the RAN in MS between correspondence Application Agent access point for up-link.
It is preferred that described dynamic data pond comprises at least two storage parts, each user for carrying out TCP/IP business services has corresponding dynamic area respectively this two storage parts；Data are transmitted to MS by air interface by cycle wheel stream of the period of fixed length in described two storage parts, and storage prepares the data in next periodic transfer, the data volume that air interface Radio Resource is stored in the storage part according to each current transmission is redistributed.
Refer to accompanying drawing 1, the accompanying drawing be the present invention the first preferred embodiment in, the implementation theory diagram of MS TCP/IP business in CDMA systems.In a cdma system, ICP/IP protocol cluster terminates or originated from the agency of MS application programs in RAN, and MS then needs to include the image of application program in RAN.For downlink, agent application that the processing of MS ICP/IP protocol cluster is terminated in RAN is simultaneously converted into application program image data.All application program image data are stored by RAN（It is stored in dynamic data pond）, the data transfer between MS is completed using air wireless interface agreement.For up-link, it will be sent from the MS application program image data for reaching RAN in the form of IP datagram, be RAN-sample as promoter, source address simply is this MS IP address（Distributed by RAN；).
So the realization of TCP/IP business can be divided into two stages：One stage is the business realizing between MS agent applications and IP network in RAN, is by ICP/IP protocol What cluster was carried out.Another stage is the business realizing between RA agent applications and MS application program images, and implementation method is just according to the different and different of application program and MS disposal abilities.The transmission of this phase data is carried out by the Access Layer of cyberspace interface, and its reliability, confidentiality are ensured by the air interface protocols of cdma system.
The RAN and MS air interface on TCP/IP business is connected, and is no longer the connection based on transmission IP datagram：It is that the connection between specific MS application program image data pool and this MS is distributed in RAN for downlink；It is the connection in the application program image data pool and RAN in MS between correspondence Application Agent access point for up-link.The transmission mode of data defines realization by the Access Layer of air interface.
The connection of RAN and other IP networks, the relevant technology of used TCP/IP is unrelated with air interface.Distribution, management, movement of MS IP address etc., are all completed by RAN, and MS need not possess any disposal ability about ICP/IP protocol cluster.
In the ran, dynamic memory is had respectively for different mobile subscribers（That is dynamic data pond）, also have a dynamic memory in MS, the size of memory is by wireless network data capacity, and the cycle of air interface dynamics of channels distribution, and management method are determined.
Either in RA, or in MS, data compression may be all carried out during application program image data deposit dynamic data pond, is decompressed accordingly again in the opposing party after air interface.Compression just blunt may have multiple format according to the difference of application program.
This patent is particularly suitable for use in CDMA TDD systems.
The characteristics of TCP/IP business has sudden, non real-time nature.According to non real-time nature, the storage of application program image data is to carry out in the cycle, and the cycle typically takes the integral multiple of cdma system physical frame.According to sudden, air interface Radio Resource is to store the cycle as chronomere, and the current data amount stored according to dynamic data pond is redistributed, equivalent to every One storage periodic structure is once fixedly connected.Radio Resource can be so set to obtain abundant, rational utilize.Because transmitted data do not include the information in ICP/IP protocol cluster about datagram headers, the utilization rate of Radio Resource is further enhanced.During Fig. 2 is the second preferred embodiment of the present invention, downlink IP datagram realizes schematic diagram to dynamic data pond, for downlink, and IP datagram to application program image data pool can use Fig. 2 flow realization.
Fig. 2 (1) is transmitted and handled according to IP agreement in units of IP datagram.Fig. 2 (2) carries out the processing of Internet and transport layer according to ICP/IP protocol cluster, and the agent application into RA provides service.
Fig. 2 (3) produces application program image data by agent application.Application program image data can be the visual interface of application program or the special data stream defined in Application Agent and MS between application program image, and its generating mode can change with the difference of application program and MS disposal abilities.Such as：MS has carried out video request program in Internet, Application Agent in RAN receives the video data transmitted from network by ICP/IP protocol cluster, this video data may carry out Data Format Transform before deposit application program image data pool, to adapt to the player in MS（May be hardware）.So MS is not required to the disposal ability for possessing ICP/IP protocol cluster, it is not necessary to have the operating system of complexity, it is possible to enjoy specific TCP/IP business services.This process separates general ICP/IP protocol cluster and air interface, allows business of the different vendor as needed needed for air interface is provided to MS.
Fig. 2 (4) application program image data may be compressed, and dynamic data pond is delivered to afterwards.Dynamic data pond is divided into A and B two parts, carries out each user of TCP/IP business services All there is corresponding dynamic area in A and B respectively.When A data are transmitted by air interface, from the next data storage of IP network in B.When B data are transmitted by air interface, from the next data storage of IP network in A.
Data in Fig. 2 (5) dynamic data pond reach MS periodically by air interface.Periodic process is such as（4 ).So in each cycle, the content that a cycle stores in dynamic data pond on the data that air interface is transmitted are, data volume is known definite value.
The processing in processing procedure and MS in Fig. 2 in dashed box C is essentially identical, simply only one of which user in dynamic data pond in MS.After data in MS dynamic datas pond are transmitted through air interface, the processing of agent application is passed through in RAN, transport layer, Internet then through TCP/IP clusters, link layer are sent.Application program image data in up-link may be the control command of application program mostly, and the generation of application program image data can be changed with ^ according to the difference of application program and MS disposal abilities.Fig. 3 is the air interface schematic diagram for realizing the present invention.Fig. 3 realizations are referred to from dynamic data pool to air interface.
Data in such as Fig. 3, dynamic data pond belong to user data area.According to different MS data volume waiting for transmission, notify periodically radio resource how distributing radio resource；Also synchronizing cycle is carried out for the distribution of air traffic channel, and its cycle and storage cycle phase are same.For the third generation wireless communication system, the storage cycle may take the ras of length 720 of superframe
Similar, for up-link, instruction or data flow are produced by application program image；Instruction or data flow are stored in MS dynamic data pond；Air interface uplink radio resources are synchronous as downlink, be allocated periodically；Corresponding Service Access point in agent application is delivered in RAN by air interface radio access layer；Acted on behalf of in RAN Application program carries out the processing work of ICP/IP protocol cluster, and IP address used is MS IP addresses；Distribution, management, movement of MS IP address etc. are completed by RAN.One of ordinary skill in the art is obviously clear and understands, the preferred embodiment that the present invention is lifted is not intended to limit the invention only to illustrate the present invention, and the present invention is for the technical characteristic in each embodiment, can in any combination, without departing from the thought of the present invention.According to the method for dynamic allocation of communication channel disclosed by the invention, modification disclosed invention can be there is many ways in which, and in addition to the above-mentioned preferred embodiment specifically given, the present invention can also have other many embodiments.Therefore, all category can obtain method or improvement according to present inventive concept, within the interest field that should be included in the present invention.

Claims (1)

  1. Claims
    1st, a kind of method that the P business of TCP eight is realized in the mobile terminal of code division multiple address communication system, it is characterized in that, the processing of the not responsible ICP/IP protocol clusters of MS, the MS agent applications that the processing of TCP P protocol families is initiated and terminated in RAN, MS includes the image of application program in RAN, in the P business of TCP eight, MS and RAN transmits application program image data without transmission of IP data report on air interface.
    2nd, the method as described in claim 1, it is characterized in that, air interface Radio Resource is using the period of fixed length as periodic transfer application program image data, and according to redistributing the data volume of transmission to air interface Radio Resource in each currently transmitted cycle.
    3rd, method as claimed in claim 2, it is characterised in that the described cycle can be the integral multiple of code division multiple access system physical frame.
    4th, the method as described in claim 1, it is characterized in that, neutralize to set up in described MS in described RAN and have application program image dynamic data pond, application program image data are stored, MS and RAN transmits application program image data without transmission of IP data report on air interface, it is that the connection between specific MS application program image data pool and this MS is distributed in RAN for downlink；It is the connection in the application program image data pool and RAN in MS between correspondence Application Agent access point for up-link.
    5th, method as claimed in claim 4, it is characterised in that described dynamic data pond comprises at least two storage parts, each user for carrying out TCP/IP business services has corresponding dynamic area respectively this two storage parts；Data are transmitted to MS by air interface by cycle wheel stream of the period of fixed length in described two storage parts, and storage prepares the data in next periodic transfer, the data volume that air interface Radio Resource is stored in the storage part according to each current transmission is redistributed. 6th, the method as described in claim 1, it is characterised in that when described application program image data are transmitted on air interface, is to be carried out by the Access Layer of air interface, its reliability, confidentiality are ensured by air interface protocols.
    7th, the method as described in claim 1, it is characterised in that distribution, management, movement of described MS IP address etc. are completed by RAN.
    8th, the method as described in claim 1, it is characterized in that, application program image data in described RAN and/or MS can carry out data compression when being stored in dynamic data pond, then be decompressed accordingly again in the opposing party by air interface.
CNB008141320A 2000-08-04 2000-08-04 method for carrying out TCP/IP service within mobile terminal of CDMA communication system Expired - Fee Related CN1141851C (en)

Applications Claiming Priority (1)

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PCT/CN2000/000221 WO2002015621A1 (en) 2000-08-04 2000-08-04 The method of carrying out tcp/ip service within mobile terminal of cdma communication system

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CN1141851C CN1141851C (en) 2004-03-10

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AU (1) AU2000262580A1 (en)
HK (1) HK1050799A1 (en)
WO (1) WO2002015621A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006069470A1 (en) * 2004-12-28 2006-07-06 Zte Corporation A METHOD OF DYNAMICALLY ASSIGNING TRANSMISSION TIME SLOT IN Abis INTERFACE OF MOBILE COMMUNICATION SYSTEM

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3994046B2 (en) 2002-11-19 2007-10-17 株式会社エヌ・ティ・ティ・ドコモ Resource allocation control device, resource allocation control method, and mobile communication system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104873B (en) * 1997-04-16 2000-04-14 Nokia Networks Oy Data service in a mobile network
CA2281431A1 (en) * 1998-10-28 2000-04-28 Lucent Technologies Inc. Mobile-tcp and method of establishing and maintaining a mobile-tcp connection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006069470A1 (en) * 2004-12-28 2006-07-06 Zte Corporation A METHOD OF DYNAMICALLY ASSIGNING TRANSMISSION TIME SLOT IN Abis INTERFACE OF MOBILE COMMUNICATION SYSTEM

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CN1141851C (en) 2004-03-10
WO2002015621A1 (en) 2002-02-21
AU2000262580A1 (en) 2002-02-25
HK1050799A1 (en) 2003-07-04

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