CN101874422A - Improved paging in TD SCDMA - Google Patents
Improved paging in TD SCDMA Download PDFInfo
- Publication number
- CN101874422A CN101874422A CN200880117730A CN200880117730A CN101874422A CN 101874422 A CN101874422 A CN 101874422A CN 200880117730 A CN200880117730 A CN 200880117730A CN 200880117730 A CN200880117730 A CN 200880117730A CN 101874422 A CN101874422 A CN 101874422A
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- China
- Prior art keywords
- mbsfn
- user terminal
- beep
- carrier frequency
- user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/12—Inter-network notification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The invention discloses a method (400) for use in a wireless system (100) of the TD SCDMA kind (405), according to which method there is (410) a first carrier frequency for MBSFN services and (415) a second carrier frequency for non MBSFN services. According to the invention, the MBSFN carrier frequency is made to include a possibility for a user (140) of the MBSFN carrier frequency to be notified of a paging message to the user.
Description
Technical field
The invention discloses the method and apparatus of the improved paging of cellular system that is used for TD SCDMA kind.
Background technology
In the cellular system (that is, using the system of synchronous code division multiple access of time-division) of TD SCDMA kind, can be the independent carrier wave of so-called MBMS business (Multimedia Broadcast Multicast Service) configuration.This solution is called as MBSFN, promptly based on the MBMS of single carrier frequency.
Hint that as title MBMS will make the user enjoy Multimedia session via its subscriber equipment (cell phone, laptop computer etc.).Yet for such as non-MBSFN business such as callings, shared MBSFN user will be disabled by Multimedia session.
Summary of the invention
The objective of the invention is to alleviate the above-mentioned inferior position of the TD SCDMA system that supports MBSFN.
The present invention has realized this purpose, because the invention discloses the method for using in the wireless system of TD SCDMA kind, has the first carrier that is used for the MBSFN service in this system and is used for second carrier wave that non-MBSFN serves.
The method according to this invention comprises to the user notification of the MBSFN carrier frequency possibility for this user's beep-page message the MBSFN carrier wave.
Thereby since then, according to the present invention, making the MBSFN user who is busy with the MBMS Multimedia session to recognize has non-MBMS service (as calling) to be directed to oneself.Utilize this cognition, the user can stop or end Multimedia session, and the non-MBSFN service of initiating beep-page message is responded.
In a version of the present invention, the possibility of notified beep-page message comprises: the paging channel on the MBSFN carrier wave, the user can be on this paging channel paging receiving message.
In another version of the present invention, this possibility comprises Page Indication Channel, and the user can receive the indication that switches to non-MBSFN carrier wave on Page Indication Channel, to receive and to respond the beep-page message at described user.
Below these and other embodiment of the present invention will be described in more detail.
The invention also discloses the transceiver of the Control Node that is used as the TD SCDMA system that supports MBSFN.
Description of drawings
To be described in greater detail with reference to the attached drawings the present invention subsequently, in the accompanying drawings
Fig. 1 shows the general introduction of the system that the present invention can be applicable to, and
Fig. 2 shows the channel of the prior art among the TD SCDMA, and
Fig. 3 shows according to TD SCDMA channel of the present invention, and
Fig. 4 shows the flow chart of method of the present invention, and
Fig. 5 shows the block diagram of transceiver of the present invention.
Embodiment
Fig. 1 shows the basic overview of the system 100 that the present invention can be applicable to.As shown in Figure 1, system 100 is the cellular systems with sub-district 110 shown in Fig. 1.
Can hold much the have subscriber equipment user of (UE (" user's set ")) such as the sub-district of sub-district 110, Fig. 1 shows two UE:130,140.The example of subscriber equipment is can be enabled cell phone or laptop computer for being connected to system 100.
The system 100 that the present invention is directed to is TD SCDMA systems,, uses the system of synchronous code division multiple access of time-division that is.Except this principle, also enable system 100 at so-called MBMS (Multimedia Broadcast Multicast Service).At each sub-district, MBMS service can be provided on single frequency, this is called as MBSFN, promptly based on the MBMS of single frequency.Alternatively, the MBSFN frequency can cover the non-MBSFN sub-district more than, so that MBSFN sub-district and the little area overlapping of one or more non-MBSFN.
In Fig. 1, by go to/symbolically indicated in sub-district 100 use from the arrow of NodeB 120 to MBSFN and non-MBSFN service.As indicated, at MBSFN and non-MBSFN service, independent carrier frequency f1 and f2 have been used respectively.
In TD SCDMA system, NodeB user in the sub-district on the frequency of using at non-MBSFN service via the sub-district launches so-called beep-page message, unless this means user's UE can support simultaneously more than the operation on one the carrier wave, otherwise the beep-page message that is intended to be sent to the user can't arrive the user who is in the Multimedia session state on the MBSFN frequency, and user's UE to support simultaneously be impossible more than the operation on one the carrier wave for present UE.
Thereby, will can not receive this beep-page message as the expection recipient of beep-page message and the user who uses MBSFN to serve, and will miss the service of initiating this beep-page message, for example call for this reason.
According to the present invention, the MBSFN carrier frequency is comprised to the user notification of the MBSFN carrier frequency possibility for this user's beep-page message.Before describing this possibility in more detail, the current use of MBSFN and non-MBSFN carrier frequency (that is, f1 and f2) will be described with reference to figure 2.
As shown in Figure 2, current the MBSFN carrier wave being used for a lot of channels, is the example of these channels as shown in Figure 2 below:
BCH, broadcast channel,
MICH, the MBMMS indicator channel,
MTCH, the MBMS Traffic Channel
Equally as shown in Figure 2, currently also non-MBMS carrier wave is used for a lot of channels, the example of these channels as shown in Figure 2 is:
BCH, broadcast channel,
PICH, indicator channel,
PCH, paging channel,
DPCH, DPCH
According to the present invention, the MBSFN carrier wave is comprised to the user notification of the MBSFN carrier frequency possibility for this user's beep-page message.Can implement this possibility by a lot of modes, will wherein two kinds be described below.
In first embodiment, make the MBSFN carrier wave comprise Page Indication Channel, Page Indication Channel can carry out sign indicating number and divide or the time-division with other channel of the MBSFN channel of system.In Fig. 2, it is depicted as PICH (" Page Indication Channel ").
Compatibly, the function of Page Indication Channel of the present invention is, with just at the sign " mapping " of paged UE one or more bits or the symbol in the Page Indication Channel.When just at the specific UE of paging, the ID of this UE can appear on the channel, perhaps can have special symbol (as follow this ID " enabling " bit), " enables " bit if enabled this, will inform that UE carries out paging to it.
If just at the specific UE of paging, this UE can move in a lot of different modes: compatibly, UE will change to non-MBSFN carrier wave, and paging receiving is also responded this paging and initiated and the user that this paging is derived from or the session of application.When finishing after the session on the non-MBSFN carrier wave, the user can return the MSFN session, and recovers the MSFN session or initiate new MSFN session.
Thereby, in order to respond this paging and initiation session on the NMBSFN carrier wave possibly, paged UE can end ongoing MBMS session to switch to the NMSFN channel, and perhaps paged UE can stop ongoing MBMS session to switch to the NMBSFB carrier wave.
Similarly, if make user or application that paging UE initiates to the service of responding paging or followed request is set because of some reason refusal, UE can also change the session of getting back to the MBSFN carrier wave and recovering to be ended, if perhaps previous session is terminated, then initiates new session.
Fig. 3 shows in system of the present invention, may the disposing of MBSFN and non-MBSFN carrier wave.As can be seen, the MBSFN carrier wave comprises indicator channel (PICH) or alternatively comprises paging channel (PCH) that PICH and PCH have above-mentioned one or more functions at this moment in Fig. 3.For the MBSFN carrier wave, also may comprise PICH and PCH simultaneously.
If PCH and/or PICH are configured in the MBSFN carrier wave, UE can receive the beep-page message in the MBSFN carrier wave, and switches to non-MBSFN carrier wave in order to send page response, and the session of user that initiation and paging were derived from or application.
In one embodiment of the invention, Page Indication Channel of the present invention or paging channel are configured in the so-called MBSFN special burst (MS burst), the MS burst is the time slot shorter than other time slot, and can be used to carry control information in the MBSFN carrier wave.
Compatibly, the first carrier and second carrier wave overlap each other on frequency, and as mentioned, system configuration also can be that the MBSFN frequency covers more than a non-MBSFN sub-district.In this configuration, MBSFN " sub-district " thus the sub-district of the little area overlapping of right and wrong MBSFN in fact.
Fig. 4 shows the indicative flowchart of method of the present invention.In Fig. 4, with dashed lines is indicated as option or alternative step.
Illustrate as preceding, method 400 is intended to be used for the wireless system of TD SCDMA kind, this also indicates in step 405, and according to method 400, as shown in step 410, there is second carrier frequency at non-MBSFN service in existence at the first carrier frequency of MBSFN service and shown in step 415.
As shown in step 420, the MBSFN carrier frequency is comprised to the user notification of the MBSFN carrier frequency possibility for this user's beep-page message.
In one embodiment, as shown in step 425, " paging possibility " comprises the paging channel on the MBSFN carrier frequency, and on this paging channel, the user can paging receiving message.
In another embodiment, as indicated in the step 430, " paging possibility " comprises Page Indication Channel, and the user can receive the indication that switches to non-MBSFN carrier wave on Page Indication Channel, to receive and to respond the beep-page message at described user.Step 435 shows, and this indication is one or more bits or the symbol on the Page Indication Channel in one embodiment.
As indicated in the step 440, in a version of the present invention, if the user receives the notice of beep-page message, this user ends ongoing MBSFN session, has triggered the non-MBSFN service of beep-page message with use.Step 445 shows the user can also stop non-MBSFN service back recovery MBSFN session.
Indicated as step 450, in one embodiment, first and second carrier waves overlap each other on frequency.
Fig. 5 shows schematic block diagram in the system that is applied in the present invention, that be used as the transceiver 500 of user terminal (UE).As shown in Figure 5, UE 500 comprises the antenna that is shown frame 510, and will comprise receiving unit 520 and radiating portion 530.In addition, UE 500 comprises control device 540 (as, microprocessor) and memory 550.
Owing to toply identify about its function and Ref. No. critical piece to UE 500, only quote the critical piece of UE 500 below by its Ref. No., for example, use " device 510 " to substitute " antenna 510 ".
Show from the above description, user terminal 500 is intended to be used for the wireless system of TD SCDMA kind, and user terminal 510 uses 510,520,530 to work on the first carrier frequency that is used for the MBSFN service or to be used for working on second carrier frequency of non-MBSFN service.In addition, user terminal is equipped with device 520,540,550 to detect on the MBSFN carrier frequency notice to beep-page message.
In one embodiment, the paging channel that user terminal 500 operative installationss 510,520,540,550 detect on the MBSFN carrier frequency, on this paging channel, user terminal can paging receiving message.
Similarly, in one embodiment, user terminal 500 operative installationss 510,520,540,550 detect Page Indication Channel, on Page Indication Channel, user terminal can receive the indication that switches to non-MBSFN carrier wave, to receive and to respond the beep-page message at user terminal.Compatibly, in user terminal 500, " switching indication " is one or more bits or the symbol on the Page Indication Channel.
In one embodiment, if user terminal receives the notice of beep-page message, in order to use the non-MBSFN service that has triggered this beep-page message, user terminal 500 operative installationss 510,520,530,540,550 are ended ongoing MBSFN session.Similarly, in one embodiment, user terminal 500 operative installationss 540,550,520,530 are to stop non-MBSFN service back recovery MBSFN session.
The invention is not restricted to the example of above description and embodiment illustrated in the accompanying drawings, but can freely change within the scope of the appended claims.
Claims (13)
1. method (400) that is used for the wireless system (100) of TD SCDMA kind (405), according to described method, there is the first carrier frequency (410) that is used for the MBSFN service and is used for second carrier frequency (415) that non-MBSFN serves, described method is characterised in that, MBSFN carrier frequency (420) is comprised to user (140) notice of the described MBSFN carrier frequency possibility for described user's beep-page message.
2. method according to claim 1 (400), according to described method, described possibility (425) comprises the paging channel on the described MBSFN carrier frequency, the user can be on described paging channel paging receiving message.
3. method according to claim 1 and 2 (400), according to described method, described possibility (430) comprises Page Indication Channel, and user (140) can receive the indication that switches to non-MBSFN carrier wave on described Page Indication Channel, to receive and to respond the beep-page message at described user.
4. method according to claim 3 (400), according to described method, described indication (435) is one or more bits or the symbol on the described Page Indication Channel.
5. according to each described method (400) among the claim 1-4, according to described method, if described user (140) receives the notice of beep-page message, (440) ongoing MBSFN session among the described user has triggered the non-MBSFN service of described beep-page message with use.
6. method according to claim 5 (400), according to described method, described user (140) recovers (445) described MBSFN session after stopping non-MBSFN service.
7. according to each described method (400) in the aforementioned claim, according to described method, described first and second carrier waves on frequency, overlap each other (450).
8. user terminal (500) that is used for the wireless system (100) of TD SCDMA kind (405), described user terminal (500) is equipped with the device (510,520,530) that is used for working on the first carrier frequency that is used for the MBSFN service or being used for working on second carrier frequency of non-MBSFN service, described user terminal is characterised in that, described user terminal is equipped with the device (520,540,550) that is used to detect on the described MBSFN carrier frequency the notice of beep-page message.
9. user terminal according to claim 8 (500), described user terminal is equipped with: the device (510,520,540,550) that is used to detect the paging channel on the described MBSFN carrier frequency, on described paging channel, described user terminal can paging receiving message.
10. according to Claim 8 or 9 described user terminals (500), described user terminal is equipped with: the device (510,520,540,550) that is used to detect Page Indication Channel, on described Page Indication Channel, described user terminal can receive the indication that switches to described non-MBSFN carrier wave, to receive and to respond the beep-page message at described user terminal.
11. user terminal according to claim 10 (500), wherein, described indication is one or more bits or the symbol on the described Page Indication Channel.
12. each described user terminal (500) according to Claim 8-11, described user terminal is equipped with: if be used for the notice that described user terminal receives beep-page message, end ongoing MBSFN session, triggered the device (510,520,530,540,550) of the non-MBSFN service of described beep-page message with use.
13. user terminal according to claim 12 (500), described user terminal is equipped with: the device (540,550,520,530) that is used for recovering described MBSFN session after stopping described non-MBSFN service.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0702616 | 2007-11-26 | ||
| SE0702616-4 | 2007-11-26 | ||
| PCT/SE2008/051165 WO2009070096A1 (en) | 2007-11-26 | 2008-10-15 | Improved paging in td scdma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101874422A true CN101874422A (en) | 2010-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880117730A Pending CN101874422A (en) | 2007-11-26 | 2008-10-15 | Improved paging in TD SCDMA |
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| Country | Link |
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| CN (1) | CN101874422A (en) |
| WO (1) | WO2009070096A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113775A (en) * | 2015-01-15 | 2017-08-29 | 华为技术有限公司 | The sending, receiving method and equipment of beep-page message |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8750191B2 (en) * | 2010-03-12 | 2014-06-10 | Htc Corporation | Communication devices for providing multimedia broadcast/multicast services |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100464351B1 (en) * | 2001-10-20 | 2005-01-03 | 삼성전자주식회사 | Apparatus and method for paging scheme with additional carrie for multimedia broadcasting and multicasting service in w-cdma communication system |
| US20050147127A1 (en) * | 2004-01-02 | 2005-07-07 | Padmaja Putcha | Multicasting data method in a radio communication system |
-
2008
- 2008-10-15 CN CN200880117730A patent/CN101874422A/en active Pending
- 2008-10-15 WO PCT/SE2008/051165 patent/WO2009070096A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113775A (en) * | 2015-01-15 | 2017-08-29 | 华为技术有限公司 | The sending, receiving method and equipment of beep-page message |
| US10506549B2 (en) | 2015-01-15 | 2019-12-10 | Huawei Technologies Co., Ltd. | Paging message sending method, paging message receiving method, and device |
| CN107113775B (en) * | 2015-01-15 | 2020-07-24 | 华为技术有限公司 | Method and device for sending and receiving paging message and computer readable storage medium |
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| Publication number | Publication date |
|---|---|
| WO2009070096A1 (en) | 2009-06-04 |
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Application publication date: 20101027 |