CN101228714B

CN101228714B - Method and system for supporting an evolved UTRAN

Info

Publication number: CN101228714B
Application number: CN200680026488.9A
Authority: CN
Inventors: 卡梅尔·M·沙恩
Original assignee: InterDigital Technology Corp
Current assignee: InterDigital Technology Corp
Priority date: 2005-07-20
Filing date: 2006-07-17
Publication date: 2013-01-02
Anticipated expiration: 2026-07-17
Also published as: CN201022221Y; CN101228714A

Abstract

A method and system for supporting an evolved universal mobile telecommunication systems (UMTS) terrestrial radio access network (E-UTRAN) are disclosed. The system includes a wireless transmit/receive unit (WTRU), a UTRAN and an E-UTRAN. The UTRAN sends to the WTRU a list of available radio access technologies in a coverage area of the UTRAN. The list includes information related to the E-UTRAN. The WTRU receives the list and may initiate a handoff based on the list. The WTRU then sends its multi-mode/multi-RAT capability information including the E-UTRAN capability to the UTRAN. The UTRAN then sends a measurement capability message to the WTRU. The measurement capability message includes parameters necessary for performing measurements on an E-UTRAN channel. The WTRU performs measurements based on the measurement capability message and reports measurement results to the UTRAN. The UTRAN may initiate a handoff to the E-UTRAN based on the measurement results.

Description

Support evolved UTRAN method and system

Technical field

The present invention is relevant to wireless communication system, more particularly, the present invention is relevant to a kind of support one evolved universal mobile telecommunications system (universal mobile telecommunication systems, UMTS) terrestrial radio access network (terrestrial radio access network) method and system (E-UTRAN).

Background technology

There is wireless access system developed of different kenels that service and the ability of different kenels are provided, the example of some wireless access systems then comprises, WLAN (wireless local area networks, WLANs) (for example, with the network of IEEE 802 as the basis), and cellular network (for example, UNTS terrestrial radio access network (terrestrial radio access network) (UTRAN), one global system for mobile communications (GSM)/enhancing data transfer rate GSM evolution (enhanced data rate for GSM evolution, EDGE) radio access network (radio access network) (GERAN), or fellow), and each of these networks is developed for special application is provided and is made to measure.

The proposition of one E-UTRAN (Long Term Evolution of UTRAN and evolved node-b (E-Node-B)) has improved wireless network ability, also strengthened usefulness, therefore, this E-UTRAN can provide and surmount the significant advantage of both depositing wireless communication system, and, the high bit rate that can also provide by this E-UTRAN and obtain extra service than low latency (latency).Fig. 1 shows that one comprises traditional integrated wireless communication system 100 of an E-UTRAN 114, this system 100 comprises a connecting system layer (access system stratum) 110, one network layer 120, an and multimedia layer 130, wherein, this connecting system layer 110 comprises a plurality of radio access networks (radio access networks, RANs) 111-115, one core network (core network, CN) 116, an and evolved CN 117, and, this RAN 111-115 can comprise a common access network (generic access network, GAN), one GERAN 112, one UTRAN 113, one E-UTRAN 114, and WLAN (the interworking wireless local area network that interweaves, I-WLAN) 115, in addition, this RAN 111-115 can be connected to this CN 116, or this evolved CN 117, (for example will serve, from a Internet communication protocol (Internet protocol, IP) multimedia service of multimedia subsystem (IMS) 131) provide to one, or a plurality of WTRU, and simultaneously, then be meeting and an authentication, authorize, account (authentication, authorization and accounting, AAA) server 121, one Mobile IP (MIP) server 122, or among this network system 120 via a gateway (gateway) GPRS (general packet radio services, GPRS) support node (GGSN), or other network entity generation of a packet data gateway (packet data gateway, PDG) 119 influences each other.

At present, obtainable is multimode (multimode) wireless transmission/receive unit (the wireless transmit/receive units of construction to support a plurality of wireless communication systems in addition, WTRU), and the ability of each described WTRU then is to change to some extent, for example, when some WTRU only can support UMTS, other WTRU can support multiple operator scheme, for example, I-WLAN, GERAN, and/or E-UTRAN, and in future, also can obtain to support the WTRU of E-UTRAN.

Therefore, it has method that a kind of E-UTRAN of support is provided and the needs of system, so that described WTRU can receive and utilize so extra E-UTRAN ability and service.

Summary of the invention

The present invention is relevant to a kind of method and system for supporting an E-UTRAN.The present invention be to traditional with UMTS as the wireless communication system on basis (that is, UTRAN) be used in the scope supporting method and the program of plural mould operation to extend, with new technology extra in the back-up system (that is, E-UTRAN), described traditional program is specified in third generation partner program (third generation partnership project, 3GPP) among the standard (for example, TS25.331).At this, this system can comprise a WTRU, one UTRAN, an and E-UTRAN, one traditional UTRAN among the coverage area of this UTRAN with an available radio access technology (radio access technologies, RATs) tabulation is sent to this WTRU, and this tabulation comprises the information of both depositing the RAT attribute that is relevant to, for example, the technology kenel, bit rate, bandwidth, or fellow, the present invention imports this information that is relevant to E-UTRAN among this tabulation, then, this WTRU can be between initial access periods, or during changeover program, receive this tabulation, and after receiving this tabulation, pass through changeover program, or system reselects program, the WTRU of one E-UTRAN activation (E-UTRAN capable WTRU) can dispose/reconfigure this WTRU, to receive with the E-UTRAN service of this tabulation as the basis, the WTRU of this E-UTRAN activation can this initial access (that is, depend on program) during, or send when requiring when a system, it is comprised the multimode of this E-UTRAN ability/many RAT ability information be sent to this UTRAN, and during a normal changeover program, this UTRAN can send a measurement capability message to this WTRU, and this measurement capability message can be included in to carry out on the E-UTRAN channel measures necessary parameter, afterwards, this WTRU carries out and measures as the basis with this measurement capability message, and measurement result can be reported to this UTRAN, then, this UTRAN just can initial one arrive the switching of this E-UTRAN as the basis with described measurement result, in idle operation, the described force information that this WTRU can be received from this WTRU with early the time determines to reselect to this E-UTRAN as the basis, this WTRU can come construction transmitter and receiver bandwidth with this information, bit rate, frequency band, or fellow.

Description of drawings

The more detailed understanding of one of the present invention can by next one as an example the preferred embodiment of the usefulness of explanation narration and obtained, and, can be associated with appended graphic and have gained some understanding, wherein:

Fig. 1 shows the graphic of a legacy wireless communication system;

Fig. 2 shows a wireless communication system that carries out construction according to the present invention; And

Fig. 3 shows a flow chart that is used for the program of support E-UTRAN according to one of the present invention.

Embodiment

When after when mentioning, this noun " WTRU " includes, but not limited to user's equipment, one moves platform, a fixing or moving user unit, a calling set, or any other kenel device that can operate in a wireless environment.

Feature of the present invention can be incorporated among the integrated circuit (integrated circuit, IC) or can be established in one and comprise among the circuit of a plurality of interconnective members.

Fig. 2 shows according to the present invention one wireless communication system 200 of in addition construction.This system 200 comprises a plurality of RAN 210a, 210b, it is deployed under the different RAT, and a core network 220, it can be all the Internet communication protocol (IP) networks (AIPN), wherein, this core network 220 is connected to other network, for example, one public exchanging telephone network (public switching telephone network, PSTN) 230, Internet 2 40, or fellow, in addition, described RAN210a, each of 210b then can be a GAN, a GERAN, one UTRAN, one E-UTRAN, one with the I-WLAN of IEEE as the basis, or the Radio Access Network of other kenel.

For optimization at diversity (diverse) RAN 210a, mobility between the 210b, this core network 220 can provide open interface to mobile management (mobility management, MM) 222, with the operator who allows this core network 220 WTRU 250 is pointed to optimal RAN 210a, 210b, in addition, this core network 220 also can provide described other AIPN service of WTRU 250 accesses that allows, for example, conversation control (session control, SC) 224, authentication, authorize, and account (authentication, authorization and accounting, AAA) 226, and the open interface of an extension control 228.

One WTRU 250 is a multi-mode WTRU, and this multi-mode WTRU is equipped with at least two radio units of construction to support that the RAT different from least two communicates, for example, this WTRU250 can comprise a radio unit, communicate with an E-UTRAN being used for, and other radio unit, communicate with an I-WLAN being used for, in addition, this WTRU 250 can set up with one of them of described RAN between one be connected, and, if can when this target RAN meets switching standards, carry out the switching that arrives a target RAN.

Among this system 200, one switch can be manually or automatically in addition initial.Among this manual switchover program initial by the user of this WTRU 250, this user can know the alternative RAT on its geographical position now, for example, E-UTRAN, existence, and, can (for example between them, switch, between this UTRAN and this E-UTRAN), then be can be by this WTRU 250 or by this RAN 210a as for this automatic switching program, 210b or this core network 220 and in addition initial.

Among this switching initial by WTRU, the RAT that these WTRU 250 detectings substitute (for example, one E-UTRAN) existence, and, with the user's of this WTRU 250 preference as the basis and an initial switching program, then, this WTRU 250 can be from this network (for example, RAN 210a, or this core network 220) (for example receives necessary information, switch and extend, resource status, or fellow), then, 250 of this WTRU can follow the trail of these RAN 210a, the position of the coverage area of 210b, and, can be with the switching standards that predetermined as the basis and initial this changeover program.

Among the initial switching of a system, this core network 220 (or this RAN 210a, 210b) pick out, this WTRU 250 can support multiple RAT (comprising E-UTRAN), and, (for example ask necessary information from this WTRU 250, power measurement (power measurements)), then, this core network 220 (or this RAN 210a, 210b) position of this WTRU 250 is followed the trail of in meeting, and, in case this WTRU 250 drops within this covering scope of a target RAN, this core network 220 will be with one group of standard (for example, mobility of this WTRU 250, desired bandwidth, use, load balance, user's performance data (subscriber ' s profile), the measurement report that this WTRU 250 provides, or fellow) as the basis and initial these changeover programs.

Fig. 3 shows the flow chart according to the program of a support one E-UTRAN of the present invention.At first, one WTRU 352 can intercept on this UTRAN 354 a channel (for example, one Broadcast Control Channel (broadcast control channel, BCCH)) (step 302), then, this UTRAN 354 can be within this covering scope of this UTRAN 354 with an available RAT tabulation (for example, E-UTRAN356RAT) be sent to this WTRU 352 (step 304), wherein, be preferably, this available RAT tabulation is sent via a UTRAN cell information list message, yet this tabulation can be sent via the message of any kenel.

This UTRAN cell information list message can comprise the information of residential quarter between the interior residential quarter of relevant frequency, inter-frequency cell and RAT, should tradition UTRAN cell information list message can be modified to new information element (the information elements that comprises for this E-UTRAN 356, IE), and, this E-UTRAN 356 can be with Orthodoxy Frequency Division Multiplex (orthogonal frequency division multiplexing, OFDM) or the air interface of any other kenel (air interface).In the example of OFDM, this UTRAN cell information tabulation can comprise that OFDM selects and reselect information, base transceiver platform identification code (base transceiver station identity code, BSIC), the specific metrical information of system, or the fellow, wherein, the specific metrical information of this system then is to comprise frequency, bandwidth, power output or the fellow who supports.Table 1 is to show according to of the present invention one to comprise the new IE exemplary UTRAN cell information list message of (showing with runic).

1 of table 1-2

2 of table 1-2

Please consult again the 3rd figure, this WTRU 352 can receive this tabulation, and it can be stored (step 306), then, with present user's hobby as the basis, this WTRU 352 is sent to this UTRAN 354 (step 308) with its multimode/many RAT ability information, and wherein, this multimode/many RAT ability information can be indicated the support of E-UTRAN and/or other RAT.For example, this multimode/many RAT ability information can be indicated support, OFDM radio frequency (RF) ability, OFDM measurement capability or the fellow of the switching of a support about OFDM, a relevant E-UTRAN to UTRAN, wherein, the support of this OFDM (for example can be enumerated supported OFDM channel width, 1.25MHz, 2.5MHz, 5MHz, 10MHz, 15MHz, 20MHz), the support as for the switching of this E-UTRAN to UTRAN then is preferably to be the Boolean (Boolean value) of the ability like this of this WTRU of indication.

This OFDM RF ability and OFDM measurement capability can be indicated to this UTRAN OFDM RF ability and the OFDM measurement capability of this WTRU, one OFDM channel can have different bandwidth, required bit rate and the delay depending on system architecture and be associated with some service, for example, in order (for example to reach the highest order rate that allows, 100Mbps), this E-UTRAN (for example must utilize this high bandwidth that allows, 20MHz) transmit and receive, and this E-UTRAN can carry out several combinations of these services (different bandwidth that is used for different WTRU), therefore, the switching that arrives this E-UTRAN is triggered as the basis with this OFDM RF ability of this WTRU, between transfer period, when this WTRU carries out measurement, then be preferably, this WTRU can be adjusted and be configured as the peculiar bandwidth that a specific channel frequency and is used for these measurements, in addition, when this WTRU reports that to this UTRAN these are measured, this UTRAN can make these physical attributes generations of these measurements and these E-UTRAN channels related, and this then is to guarantee that this switching meeting correctly arrives the correct target E-UTRAN channel of supporting this required bit rate and delay requirement.

This multimode/many RAT ability information system can extend message or the message of any other pattern and sends via a traditional UTRAN WTRU multimode/many RAT capabilities message, WTRU radio access capability message, WTRU radio access capability.Table 2-4 system shows that respectively an exemplary UTRAN WTRU multimode/many RAT capabilities message, a WTRU radio access capability and a WTRU radio access capability extend message, comprise the new IE (showing with boldface letter) according to the present invention.

Table 2

Table 3

Table 4

Please consult again the 3rd figure, this UTRAN 354 receives this WTRU multimode/many RAT capabilities message (step 310), then, this UTRAN 354 can send a measurement capability message to this WTRU 352 (step 312), wherein, this measurement capability message can define necessary these parameters of described measurement, the new IE that is used for this E-UTRAN can be included in this traditional measurement capability message, and should (for example be used for described E-UTRAN parameter, the OFDM measurement parameter that is used for each frequency band) measurement capability is extended among the message, in addition, can be a Boolean (Boolean value) in this measurement capability message and each IE among this measurement capability is extended message, whether need to be in order to carry out the down link of measuring on each frequency band to be used to indicate, or uplink compressed mode.

Table 5 and table 6 are to show respectively exemplary UTRAN measurement capability message and a measurement capability extension message, and the described new IE that imports according to the present invention shows with boldface letter.

1 of table 5-3

2 of table 5-3

3 of table 5-3

1 of table 6-4

2 of table 6-4

3 of table 6-4

4 of table 6-4

Please again consult the 3rd figure, this WTRU 352 can receive this measurement capability message, then, this WTRU 352 understands on the E-UTRAN channel specified in this measurement capability message described E-UTRAN signal 315 execution measurements, and, can be to this UTRAN 354 report measurement results (step 314), moreover this UTRAN 354 can initial one arrive the switching of this E-UTRAN 356 as the basis with described measurement report.

Embodiment

1. one kind comprises in the wireless communication system of a wireless transmission/receive unit (WTRU), a Universal Mobile Telecommunications System (UMTS) terrestrial radio access network (UTRAN) and an evolved UTRAN (E-UTRAN) in order to support the method for this E-UTRAN one.

2. method as described in Example 1, comprise following steps: this WTRU intercepts a UTRAN channel.

3. method as described in Example 2, comprise following steps: this UTRAN sends an available wireless access technology RAT via this UTRAN channel in the covering scope of this UTRAN) tabulation, wherein, this tabulation comprises the information that is relevant to this E-UTRAN.

4. method as described in Example 3, comprise following steps: this WTRU receives this tabulation, and by this, this WTRU receives E-UTRAN with this tabulation as the basis and serves.

5. such as the described method of arbitrary embodiment among the embodiment 3～4, wherein, this tabulation sends via a Broadcast Control Channel (BCCH).

6. such as the described method of arbitrary embodiment among the embodiment 3～5, wherein, this tabulation is included in the cell information list message.

7. such as the described method of arbitrary embodiment among the embodiment 3～4, wherein, this tabulation sends via a dedicated channel.

8. such as the described method of arbitrary embodiment among the embodiment 3～7, wherein, the RAT of this E-UTRAN is Orthodoxy Frequency Division Multiplex (OFDM).

9. such as the described method of arbitrary embodiment among the embodiment 3～8, wherein, this E-UTRAN information comprises that OFDM selects and reselect information, the metrical information that base transceiver platform identification code (BSIC) and system are peculiar at least one of them.

10. method as described in Example 9, wherein, the specific metrical information of this system enumerated the frequency of being supported, bandwidth and power output at least one of them.

11. such as the described method of arbitrary embodiment among the embodiment 1～10, comprise following steps: this WTRU sends the multimode of this WTRU/many RAT ability to this UTRAN.

12. such as embodiment 11 described methods, comprise following steps: this UTRAN receives this multimode of this WTRU/many RAT ability.

13. such as the described method of arbitrary embodiment among the embodiment 11～12, wherein, this multimode/many RAT ability is indicated the E-UTRAN ability of this WTRU.

14. such as embodiment 13 described methods, wherein, this E-UTRAN ability comprises an Orthodoxy Frequency Division Multiplex (OFDM) ability.

15. such as the described method of arbitrary embodiment among the embodiment 11～14, wherein, this multimode/many RAT ability comprises that indication, that an OFDM supports one switches indication, the OFDM radio frequency ability of supporting between this UTRAN and this E-UTRAN, and the OFDM measurement capability at least one of them.

16. such as embodiment 15 described methods, wherein, frequency and the bandwidth of supporting enumerated in the indication that this OFDM supports.

17. such as the described method of arbitrary embodiment among the embodiment 11～16, wherein, this multimode/many RAT ability be via a WTRU multimode/many RAT capabilities message, a WTRU radio access capability message and a WTRU radio access capability extend message at least one of them and send.

18. such as the described method of arbitrary embodiment among the embodiment 11～17, wherein a multimode/many RAT ability is to send during depending on program in one.

19. such as the described method of arbitrary embodiment among the embodiment 11～17, wherein this multimode/many RAT ability sends by this UTRAN request the time.

20. such as the described method of arbitrary embodiment among the embodiment 1～19, comprise following steps: this UTRAN sends a measurement capability message to this WTRU, and this measurement capability message is included in the necessary parameter of execution measurement on the E-UTRAN channel.

21. such as embodiment 20 described methods, comprise following steps: this WTRU carries out and measures as the basis with this measurement capability message.

22. such as embodiment 21 described methods, comprise following steps: this WTRU is to this UTRAN report measurement result.

23. such as embodiment 22 described methods, comprise following steps: this UTRAN with described measurement result as the basis and initial one by the switching of this WTRU to this E-UTRAN.

24. such as the described method of arbitrary embodiment among the embodiment 20～23, wherein, this measurement capability message comprises the parameter of measuring for Orthodoxy Frequency Division Multiplex (OFDM).

25. such as the described method of arbitrary embodiment among the embodiment 3～24, comprise following steps: this WTRU with this tabulation as the basis and initial one switching to this E-UTRAN from this UTRAN.

26. such as embodiment 25 described methods, wherein, this switching is triggered by the user of this WTRU.

27. such as embodiment 25 described methods, wherein, this switching is triggered automatically.

28. wireless communication system of supporting evolved Universal Mobile Telecommunications System (UMTS) terrestrial radio access network (E-UTRAN).

29. such as embodiment 28 described systems, comprise an E-UTRAN.

30. such as embodiment 29 described systems, comprise a UTRAN, its construction is tabulated to send an available radio access technology (RATs) in the coverage area of this UTRAN, and this tabulation comprises the information that is relevant to this E-UTRAN.

31. such as embodiment 30 described systems, comprise a wireless transmission/receive unit (WTRU), its construction to be receiving this tabulation, and receives with the E-UTRAN of this tabulation as the basis and serve.

32. such as the described system of arbitrary embodiment among the embodiment 30～31, wherein, this UTRAN sends this tabulation via a Broadcast Control Channel (BCCH).

33. such as the described system of arbitrary embodiment among the embodiment 30～32, wherein, this UTRAN comprises this tabulation in a cell information list message.

34. such as the described system of arbitrary embodiment among the embodiment 30～31, wherein, this UTRAN sends via a dedicated channel.

35. such as the described system of arbitrary embodiment among the embodiment 30～34, wherein, the RAT of this E-UTRAN is Orthodoxy Frequency Division Multiplex (OFDM).

36. such as the described system of arbitrary embodiment among the embodiment 30～35, wherein, this E-UTRAN information comprises that OFDM selects and reselect information, base transceiver platform identification code (BSIC) and the distinctive metrical information of system at least one of them.

37. such as embodiment 36 described systems, wherein, the peculiar metrical information of this system enumerated frequency, bandwidth and the power output supported at least one of them.

38. such as the described system of arbitrary embodiment among the embodiment 31～37, wherein, this WTRU in addition construction so that its multimode/many RAT ability is sent to this UTRAN.

39. such as embodiment 38 described systems, wherein, this multimode/many RAT ability comprises the E-UTRAN ability.

40. such as embodiment 39 described systems, wherein, this E-UTRAN ability system comprises an Orthodoxy Frequency Division Multiplex (OFDM) ability.

41. such as the described system of arbitrary embodiment among the embodiment 38～40, wherein, this multimode/many RAT ability comprise indication, that an OFDM supports between this UTRAN and this E-UTRAN one switch indication, OFDM radio frequency ability and the OFDM measurement capability supported at least one of them.

42. such as embodiment 41 described systems, wherein, frequency and the bandwidth of supporting enumerated in the indication that this OFDM supports.

43. such as the described system of arbitrary embodiment among the embodiment 38～42, wherein, this multimode/many RAT ability be via a WTRU multimode/many RAT capabilities message, a WTRU radio access capability message and a WTRU radio access capability extend message at least one of them and send.

44. such as the described system of arbitrary embodiment among the embodiment 38～43, wherein, this multimode/many RAT ability is to send during depending on program in one.

45. such as the described system of arbitrary embodiment among the embodiment 38～43, wherein, this multimode/many RAT ability sends by this UTRAN request the time.

46. such as the described system of arbitrary embodiment among the embodiment 31～45, wherein, this UTRAN in addition construction a measurement capability message is sent to this WTRU, this measurement capability message is included on the E-TRAN channel to carry out measures necessary parameter, and this WTRU be configured as with this measurement capability message carry out as the basis measure and with measurement report to this UTRAN.

47. such as embodiment 46 described systems, wherein, this UTRAN is configured as with these measurement results initial one arrives the switching of this E-UTRAN as the basis.

48. such as the described system of arbitrary embodiment among the embodiment 46～47, wherein, this measurement capability message comprises the parameter of measuring for Orthodoxy Frequency Division Multiplex (OFDM).

49. such as the described system of arbitrary embodiment among the embodiment 31～48, wherein, this WTRU be configured as with this tabulation as the basis and initial this WTRU switching to this E-UTRAN from this UTRAN.

50. such as embodiment 49 described systems, wherein, this switching is triggered by the user of this WTRU.

51. such as embodiment 49 described systems, wherein, this switching is triggered automatically.

Although these features of the present invention and assembly are to narrate by these preferred embodiments of specific combination, but, each feature or assembly can under the situation of these further features that do not need these preferred embodiments and assembly, be used individually or can be used into the various combination of the present invention's further feature and assembly or not combined with it.

Claims

1. one kind comprises in the wireless communication system of a wireless transmission/receive unit (WTRU), a Universal Mobile Telecommunications System (UMTS) terrestrial radio access network (UTRAN) and an evolved UTRAN (E-UTRAN) that one in order to support the method for this E-UTRAN, the method comprises the following steps:

Described WTRU intercepts a UTRAN channel;

Described UTRAN sends an available radio access technology (RAT) tabulation via this UTRAN channel in the covering scope of this UTRAN, wherein, this tabulation comprises the information that is relevant to this E-UTRAN;

Described WTRU receives this tabulation;

Described WTRU sends the multimode of this WTRU/many RAT ability to described UTRAN, and wherein, this multimode/many RAT ability comprises that one supports the indication of Orthodoxy Frequency Division Multiplex (OFDM) pattern and supports the indication of the switching of UTRAN to E-UTRAN; And

Described WTRU receives the E-UTRAN service take described tabulation and described multimode/many RAT ability as the basis.

2. method according to claim 1 is characterized in that, this tabulation sends via a Broadcast Control Channel (BCCH).

3. method according to claim 2 is characterized in that, this tabulation is included in the cell information list message.

4. method according to claim 1 is characterized in that, this tabulation sends via a dedicated channel.

5. method according to claim 1 is characterized in that, the RAT of this E-UTRAN is Orthodoxy Frequency Division Multiplex (OFDM).

6. method according to claim 5 is characterized in that, this E-UTRAN information comprises that OFDM selects and reselect information, base transceiver platform identification code (BSIC) and the distinctive metrical information of system at least one of them.

7. method according to claim 6 is characterized in that, this system's particular measurement information enumerated frequency, bandwidth and the power output supported at least one of them.

8. method according to claim 1 also comprises:

Described UTRAN receives the described multimode of this WTRU/many RAT ability.

9. method according to claim 1 is characterized in that, this multimode/many RAT ability is indicated the E-UTRAN ability of this WTRU.

10. method according to claim 9 is characterized in that, this E-UTRAN ability comprises an Orthodoxy Frequency Division Multiplex (OFDM) ability.

11. method according to claim 1 is characterized in that, this multimode/many RAT ability comprise OFDM radio frequency ability or OFDM measurement capability at least one of them.

12. method according to claim 1 is characterized in that, supports the indication of OFDM pattern to enumerate frequency and the bandwidth of supporting.

13. method according to claim 1, it is characterized in that, this multimode/many RAT ability be via a WTRU multimode/many RAT capabilities message, a WTRU radio access capability message and a WTRU radio access capability extend message at least one of them and send.

14. method according to claim 1 is characterized in that, described multimode/many RAT ability is to send during depending on program in one.

15. method according to claim 1 is characterized in that, this multimode/many RAT ability sends by this UTRAN request the time.

16. method according to claim 8 also comprises:

This UTRAN sends a measurement capability message to this WTRU, and this measurement capability message is included in the necessary parameter of execution measurement on the E-UTRAN channel;

This WTRU carries out and measures as the basis with this measurement capability message; And

This WTRU is to this UTRAN report measurement result.

17. method according to claim 16 also comprises:

This UTRAN with these measurement results as the basis and initial one by the switching of this WTRU to this E-UTRAN.

18. method according to claim 16 is characterized in that, this measurement capability message comprises the parameter of measuring for Orthodoxy Frequency Division Multiplex (OFDM).

19. method according to claim 1 also comprises:

This WTRU tabulates as the basis and initial one switching to this E-UTRAN from this UTRAN with this.

20. method according to claim 19 is characterized in that, this switching is triggered by the user of this WTRU.

21. method according to claim 19 is characterized in that, this switching is triggered automatically.

22. a wireless communication system of supporting evolved Universal Mobile Telecommunications System (UMTS) terrestrial radio access network (E-UTRAN), this system comprises:

One E-UTRAN;

One UTRAN be configured to send an available radio access technology (RAT) tabulation in the coverage area of this UTRAN, and this tabulation comprises the information that is relevant to this E-UTRAN;

One wireless transmission/receive unit (WTRU) is configured to receive this tabulation;

Described WTRU is configured to send the multimode of this WTRU/many RAT ability to described UTRAN, and wherein, this multimode/many RAT ability comprises that one supports the indication of Orthodoxy Frequency Division Multiplex (OFDM) pattern and supports the indication of the switching of UTRAN to E-UTRAN; And

Described WTRU is configured to receive the E-UTRAN service as the basis take described tabulation and described multimode/many RAT ability.

23. system according to claim 22 is characterized in that, this UTRAN sends this tabulation via a Broadcast Control Channel (BCCH).

24. system according to claim 23 is characterized in that, this UTRAN comprises this tabulation in a cell information list message.

25. system according to claim 22 is characterized in that, this UTRAN sends via a dedicated channel.

26. system according to claim 22 is characterized in that, the RAT of this E-UTRAN is Orthodoxy Frequency Division Multiplex (OFDM).

27. system according to claim 26 is characterized in that, this E-UTRAN information comprises that OFDM selects and reselect information, base transceiver platform identification code (BSIC) and the specific metrical information of system at least one of them.

28. system according to claim 27 is characterized in that, the peculiar metrical information of this system enumerated frequency, bandwidth and the power output supported at least one of them.

29. system according to claim 22 is characterized in that, this multimode/many RAT ability comprises the E-UTRAN ability.

30. system according to claim 22 is characterized in that, this multimode/many RAT ability comprise OFDM radio frequency ability or OFDM measurement capability at least one of them.

31. system according to claim 22 is characterized in that, supports the indication of OFDM pattern to enumerate frequency and the bandwidth of supporting.

32. system according to claim 22, it is characterized in that, this multimode/many RAT ability be via a WTRU multimode/many RAT capabilities message, a WTRU radio access capability message and a WTRU radio access capability extend message at least wherein one and send.

33. system according to claim 22 is characterized in that, this multimode/many RAT ability is to send during depending on program in one.

34. system according to claim 22 is characterized in that, this multimode/many RAT ability sends by this UTRAN request the time.

35. system according to claim 22, it is characterized in that, this UTRAN is configured to a measurement capability message is sent to this WTRU, this measurement capability message is included on the E-UTRAN channel to carry out measures necessary parameter, and this WTRU be configured to this measurement capability message carry out as the basis measure and with measurement report to this UTRAN.

36. system according to claim 35 is characterized in that, this UTRAN is configured to initial one arrive the switching of this E-UTRAN with these measurement results as the basis.

37. system according to claim 35 is characterized in that, this measurement capability message comprises the parameter of measuring for Orthodoxy Frequency Division Multiplex (OFDM).

38. system according to claim 22 is characterized in that, this WTRU be configured to this tabulation as the basis and initial this WTRU switching to this E-UTRAN from this UTRAN.

39. described system is characterized in that according to claim 38, this switching is triggered by the user of this WTRU.

40. described system is characterized in that according to claim 38, this switching is triggered automatically.