WO2007116640A1 - 無線アクセスベアラの圧縮、設定方法およびIu RAB設定の転送方法 - Google Patents
無線アクセスベアラの圧縮、設定方法およびIu RAB設定の転送方法 Download PDFInfo
- Publication number
- WO2007116640A1 WO2007116640A1 PCT/JP2007/055922 JP2007055922W WO2007116640A1 WO 2007116640 A1 WO2007116640 A1 WO 2007116640A1 JP 2007055922 W JP2007055922 W JP 2007055922W WO 2007116640 A1 WO2007116640 A1 WO 2007116640A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rab
- radio access
- network
- access bearer
- setting
- Prior art date
Links
Classifications
-
- 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
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/14—Interfaces between hierarchically different network devices between access point controllers and backbone network device
Definitions
- the present invention relates to a radio access bearer (RAB) compression and setting method and a method for transferring such Iu RAB setting (setting information) in a mopile radio communication network.
- RAB radio access bearer
- the radio access bearer interface configuration such as Iu RAB configuration is commonly used between a mobile device (User Equipment, UE) and a terrestrial radio network (U niversal Terrestrial Radio Network, UTRAN) of a mopile radio communication system. Forms part of the signaling information transferred in.
- UE User Equipment
- UTRAN Universal Terrestrial Radio Network
- the present invention therefore provides a compression method for Iu RAB settings and a method for transferring such compressed settings between, for example, a UE (mobile station) and a UTRAN (terrestrial radio access network),
- the purpose is to provide
- a method for compressing a set of radio access bearer parameters according to a first aspect of the present invention is configured to divide a set of radio access bearer parameters into first and second parts, and The part is composed of a fixed part (parameter fixed part) common to a plurality of sets, the second part is composed of a variable part (parameter variable part), and in addition, the method includes a radio access bearer identifier. And compressing the fixed part through the allocation of.
- Iu RAB settings are fixed, ie fixed in a particularly advantageous way through the assignment of values associated with RABs in PLMN (Public Land Mobile Network) by dividing the common part and the variable part By compressing the part, it is possible to advantageously compress the entire setting.
- PLMN Public Land Mobile Network
- the size of data used for transfer between UE (mobile station) and UTRAN (terrestrial radio access network) is on the order of 2 to 3 octets at maximum, and is considered variable. Additional parameters associated with a particular subscriber of the network are further escalated.
- RAB identifiers are advantageously associated with RABs within the PLMN (Public Land Mobile Network).
- such allocation is accomplished by operational and management procedures within the network.
- variable part of the setting is a variable parameter of the setting.
- the present invention provides a user device and a mopile wireless communication associated therewith.
- a method is also provided that includes transferring a set of radio access bearer parameters to and from the wireless network and compressing the radio access bearer set.
- the signaling payload of such a transfer is then advantageously limited to achieve efficient data transfer, and then advantageously to achieve fast call setup times.
- Transferring the Iu RAB configuration is advantageously performed by a UT in the PLMN (Public Land Mobile Network).
- PLMN Public Land Mobile Network
- RAN may comprise allocating a set of I u RAB settings for each pair of Z core networks (Core Network, CN).
- Each such set of Iu RAB settings may be advantageously assigned a subset of RAB identifiers.
- It is configured to be stored in the UE (mobile station) for transfer to the AN (terrestrial radio access network).
- the transfer method of the Iu RAB setting can form part of the call setting procedure of the mobile station.
- the present invention also includes a step of re-establishing a radio access bearer in the network that was previously released when the transmission power was received, and referring to the stored radio access bearer setting by the radio access bearer identifier.
- a method comprising:
- the use of the present invention makes it possible to reduce the size of the Iu RAB setting data to such a data size that facilitates high-speed call establishment time. It becomes possible. Such a fast call establishment time was sought in accordance with the aforementioned British patent application.
- the present invention proposes compression of Iu RAB signaling data, which is achieved in a particularly advantageous way.
- the present invention is further described below for purposes of illustration, in which A configuration for a network operator to set up a system for two different CNZUTRAN (core network Z terrestrial radio access network) pairs in a PLMN (public land mobile network) is described.
- CNZUTRAN core network Z terrestrial radio access network
- PLMN public land mobile network
- the present invention particularly reduces the amount of data transferred between the UE (mobile station) and the UTRAN (terrestrial radio access network) when a relatively fast call setup time is required. Adopted especially and advantageously when reduced.
- the present invention takes advantage of the fact that network operators only deploy a subset of RABs in the system.
- the RAB in the “interactive” and “background” settings is basically common to all parties to the PLMN (Public Land Mobile Network) and can be changed depending on this setting. Okay, the number of parameters is very small.
- variable parameters include priority, pre-emption, guaranteed bit rate, guaranteed delay, minimum bit rate, BLER (Block Error), and Quality of service (QoS) class, ie, whether it is streaming, convational, knock ground or interactive, is also configured.
- the Iu RAB configuration transferred to UTRAN can therefore advantageously be divided into a fixed part and a variable part, where the fixed part is PLMN (public land Compressed through standard operational and maintenance procedures by assigning values related to RABs within the mobile network).
- PLMN public land Compressed through standard operational and maintenance procedures by assigning values related to RABs within the mobile network
- This compression scheme advantageously reduces the value of 2.4K octets to within a range of 1 octet and adds any parameters that are considered variable and associated with the subscriber.
- the present invention compresses Iu RAB signaling data and then converts the data into Uu It is advantageous to first propose a plan to transfer radio network system (RNS) from UE (mobile station) via Toughace!
- RNS radio network system
- a set of Iu RAB settings such that a setting is assigned to each UTRANZCN thread and (pair per product), is referred to as its PLM N (public land).
- PLM N public land
- each set of I u RAB settings is assigned a subset of RAB identifiers to recognize the special RABs within each set.
- a UTRAN / CN pair can be configured to reconstruct the original Iu RAB configuration through the interaction of the RAB identifier of the previous UTRANZCN pair with the RAB identifier supported by the new UTRANZCN pair. it can.
- the mapping from these RAB identifiers can be advantageously controlled by a table maintained by the network operator.
- a compression method for Iu RAB settings and a method for transferring such compressed settings, for example, between UE and UTRAN.
- FIG. 1 is a table for the first UTRANZCN pair.
- FIG. 5 is an example of PLMN.
- FIG. 6 is a diagram showing signaling messages exchanged between UE, RNC and SGSN according to 3GPP specifications.
- FIG. 7 is a diagram showing a flow of data sent from the RNC to the UE.
- FIG. 8 is a diagram showing a setup procedure for reconnection.
- FIG. 9 is a block diagram of a UE.
- FIG. 10 is a configuration diagram of SGSN.
- N / UTRAN Core Network Z Terrestrial Radio Access Network
- FIG. 1 shows a table for the first UTRAN / CN pair.
- This UT RANZCN pair shows a table for things that have priorities implemented, but support for WB AMR (Wideband Adaptive multi-rate) has been implemented!
- WB AMR Wideband Adaptive multi-rate
- FIG. 2 shows a table for a second UTRANZCN pair in which priority is not implemented.
- speech support is not equivalent in two different systems, so support for WB AMR needs to interact with NB AMR (Narrowband Adaptive Multi-rate) in the first pair Please be careful.
- NB AMR Narrowband Adaptive Multi-rate
- mapping rules shown in FIG. 3 may be applied by the second CNZUTRAN.
- mapping rules shown in FIG. 4 may be applied by the first CNZUTRAN.
- the RAB of WB AMR (Wideband Adaptive Multi-rate) is mapped to the RAB of NB AMR (Narroband Adaptive Multi-rate). Because the priority is not received, the second CNZUTRAN takes the default value until the time when it is actually notified about what the priority is actually.
- FIG. 5 shows an example of a PLMN (Public Land Mobile Network) with two SGSN (Serving GPRS Support Node) types and two UTRAN types (RNC (Radio Network Controller with Node B)) It is.
- the solid line represents the interface over which the Iu connection and RAB can be established.
- Dashed lines represent Iu RAB tables and mapping rules as defined by the operator.
- Each RNC and SGSN receives and accumulates the following:
- each RNCZSGS N Store one table plus a mapping table for each Iu RAB from the other two tables.
- UE mobile station
- RNC Radio Network Controller
- SGSN Serving GPRS Support Node
- the signaling messages shown in FIG. 6 will be exchanged between UE, RNC and SGSN.
- the RRC connection request is sent from the UE to the RNC when the UE (mobile device) makes a call or when a call is made to the UE.
- the SGSN sends a common ID indicating to which subset it belongs to the RNC.
- RNC Radio Network Controller
- RAB Radio Network Controller
- the Iu RAB identification information is identification information specifically indicating which RAB is used, and is information having an order of several octets.
- the amount of data sent from the SGSN to the RNC is 2.4K octets.
- the amount of data sent from the SGSN to the RNC is only a few octets of Iu RAB identification information and the data amount of (variable) parameters. As a result, the amount of data to be transmitted can be reduced, and a fast call establishment time can be achieved.
- RA B for SGSN
- the previously configured network provides mapping rules for all RNCs.
- the receiving UTRAN (terrestrial radio network) is wireless as specified in the IDLE state (05/32) You can configure these resources without telling the CN (core network) which RAB is needed.
- the Iu RAB identification information and parameters are supplied to the UE.
- connection is released, for example, because the user no longer uses the service. Then the user moves to the network.
- connection is released, for example, because the user no longer uses the service. Then the user moves to the network.
- the setup procedure is performed as shown in Figure 8 according to the IDLE state.
- the new RNC Radio Network Controller
- the new SGSN Serving GPRS Support Node
- the new RNC can directly use "Iu RAB identification" and its parameters as if received from the new SGSN. it can.
- the UE (mobile device) according to the present embodiment has, for example, the configuration shown in FIG.
- UE 100 is also configured with a radio communication unit 110, a control unit 120, an input unit 130, a storage unit 140, a bus 150, and a force.
- the wireless communication unit 110, the control unit 120, the input unit 130, and the storage unit 140 are connected by a bus 150.
- the wireless communication unit 110 includes, for example, a wireless antenna and a NIC (Network Interface Card), and transmits and receives data to and from an RNC (Radio Network Controller).
- NIC Network Interface Card
- RNC Radio Network Controller
- the control unit 120 includes, for example, a CPU (Central Processing Unit), processes data in the wireless communication unit 110 and the storage unit 140, transmits / receives data to / from the wireless communication unit 110, For example, data is stored in the storage unit 140.
- a CPU Central Processing Unit
- Input unit 130 is also configured with, for example, a numeric keypad, accepts an input from a user of UE 100, and transmits the input content to control unit 120.
- storage unit 140 for example, a ROM (Read Only Memory) or RAM (Random Access Me m ory) .
- the RAM is used as a work area for the control unit 120, and the ROM and the RAM store programs for the control unit 120 to perform processing. Further, the RAM stores, for example, RAB setting information (Iu RAB identification information, parameter variable unit), and provides the RAB setting information to the control unit 120 as required by the control unit 120.
- RAB setting information Iu RAB identification information, parameter variable unit
- the SGSN (Serving GPRS Support Node) according to the present embodiment has, for example, the configuration shown in FIG.
- the SGSN 200 includes a communication unit 10, an ffilj control unit 220, a storage unit 230, and a nose 240.
- the communication unit 210, the control unit 220, and the storage unit 230 are connected by a nose 240.
- the communication unit 210 is composed of, for example, a NIC (Network Interface Card), and transmits and receives data to and from an RNC (Radio Network Controller).
- NIC Network Interface Card
- RNC Radio Network Controller
- the control unit 220 is composed of, for example, a CPU (Central Processing Unit) and the communication unit 21.
- a CPU Central Processing Unit
- the storage unit 230 stores data.
- storage unit 230 for example, a ROM (Read Only Memory) or RAM (Random Access Me m ory) .
- the RAM is used as a work area for the control unit 220, and the ROM and the RAM store programs for the control unit 220 to perform processing.
- control unit 220 divides the wireless access bearer parameter set 231 stored in the ROM or RAM of the storage unit 230 into the ROM or RAM stored in the storage unit 230.
- Program 233 divides each parameter set into fixed and variable parts. Next, the parameters that are the fixed part are collected as the first part, and the parameters that are the variable part are collected as the second part and stored in the RAM work area of the storage unit 230.
- control unit 220 executes the compression program 234 stored in the storage unit 230 to compress the first part. Then, the compressed first part (radio access bearer identifier) and the second part 232 are stored in the RAM of the storage unit 230.
- the storage unit 230 stores a communication program 235 and a setting program 236.
- the control unit 220 executes the communication program 235 to communicate with the RNC (Radio Network Controller) and UE (mobile device) !, and executes the setting program 236 to perform processing such as RAB assignment and common ID assignment. Do.
- RNC Radio Network Controller
- UE mobile device
- the control unit 220 executes the communication program 235 to communicate with the RNC (Radio Network Controller) and UE (mobile device) !, and executes the setting program 236 to perform processing such as RAB assignment and common ID assignment. Do.
- the configuration of UE, RNC, SGSN, etc. can be changed arbitrarily.
- any method may be used as a method for dividing the parameter set, a method for compressing the fixed part of the parameter, a communication method, a protocol, a setting method, and the like.
- the RAB is not limited to the contents shown in FIGS. 1 to 4 and can be changed as appropriate.
- the system configurations illustrated in FIGS. 5, 9, and 10 can be changed.
- the communication / setting procedures illustrated in FIGS. 6 to 8 can be changed as appropriate.
- the present invention can be applied to a mobile phone and a mobile phone network.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/293,987 US20090207754A1 (en) | 2006-03-22 | 2007-03-22 | METHOD FOR COMPRESSING AND SETTING UP WIRELESS ACCESS BEARER AND METHOD FOR TRANSFERRING Iu RAB SETTING |
JP2008509718A JP4952715B2 (ja) | 2006-03-22 | 2007-03-22 | 無線アクセスベアラの圧縮、設定方法およびIuRAB設定の転送方法 |
EP07739365.0A EP1998587B1 (en) | 2006-03-22 | 2007-03-22 | METHOD FOR COMPRESSING AND SETTING UP WIRELESS ACCESS BEARER AND METHOD FOR TRANSFERRING Iu RAB SETTING |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0605705A GB2436417B (en) | 2006-03-22 | 2006-03-22 | Radio access bearer transfer |
GB0605705.3 | 2006-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007116640A1 true WO2007116640A1 (ja) | 2007-10-18 |
Family
ID=36383928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055922 WO2007116640A1 (ja) | 2006-03-22 | 2007-03-22 | 無線アクセスベアラの圧縮、設定方法およびIu RAB設定の転送方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090207754A1 (ja) |
EP (1) | EP1998587B1 (ja) |
JP (2) | JP4952715B2 (ja) |
CN (1) | CN101406084B (ja) |
GB (1) | GB2436417B (ja) |
WO (1) | WO2007116640A1 (ja) |
Cited By (1)
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---|---|---|---|---|
JP2013539948A (ja) * | 2010-10-12 | 2013-10-28 | サムスン エレクトロニクス カンパニー リミテッド | ユニバーサルモバイル通信システムにおけるiuインタフェースを介してマシンタイプ通信データを通信する方法及び装置 |
Families Citing this family (2)
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US9137844B2 (en) * | 2007-10-04 | 2015-09-15 | Qualcomm Incorporated | Method and apparatus for handling user equipment capability information |
WO2020065971A1 (ja) | 2018-09-28 | 2020-04-02 | 株式会社アシックス | シャツおよびパンツ |
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- 2007-03-22 US US12/293,987 patent/US20090207754A1/en not_active Abandoned
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- 2007-03-22 JP JP2008509718A patent/JP4952715B2/ja not_active Expired - Fee Related
- 2007-03-22 WO PCT/JP2007/055922 patent/WO2007116640A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
JPWO2007116640A1 (ja) | 2009-08-20 |
EP1998587A4 (en) | 2013-01-02 |
GB0605705D0 (en) | 2006-05-03 |
CN101406084B (zh) | 2012-09-05 |
EP1998587B1 (en) | 2015-08-26 |
GB2436417A (en) | 2007-09-26 |
JP2012095347A (ja) | 2012-05-17 |
JP5354034B2 (ja) | 2013-11-27 |
US20090207754A1 (en) | 2009-08-20 |
EP1998587A1 (en) | 2008-12-03 |
JP4952715B2 (ja) | 2012-06-13 |
GB2436417B (en) | 2008-02-20 |
CN101406084A (zh) | 2009-04-08 |
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