CN102131229B - Uplink access method in high-speed uplink packet access - Google Patents
Uplink access method in high-speed uplink packet access Download PDFInfo
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- CN102131229B CN102131229B CN 201010034415 CN201010034415A CN102131229B CN 102131229 B CN102131229 B CN 102131229B CN 201010034415 CN201010034415 CN 201010034415 CN 201010034415 A CN201010034415 A CN 201010034415A CN 102131229 B CN102131229 B CN 102131229B
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- carrier wave
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Abstract
The invention discloses an uplink access method in a high-speed uplink packet access (HSUPA). The uplink access method comprises the following steps of: informing user equipment (UE) of configuration information of an enhanced random-access uplink control channel (E-RUCCH) by a network side through utilizing a system message block when multi-carrier UE is required to be accessed and informing the UE of an identical-frequency or pilot-frequency list of a main cell in which the UE is located or information used for building the identical-frequency or pilot-frequency list, wherein the configuration information includes the serial number of carrier waves in which the E-RUCCH is located; determining the identical-frequency or pilot-frequency list of each carrier wave by the UE according to the inform of the network side; measuring the serving and neighbor cell pathloss (SNPL) of each carrier wave according to the identical-frequency or pilot-frequency list; determining the carrier wave of which SNPL measurement results are required to be reported according to the measurement results; selecting the carrier wave used for uplink access from the carrier waves in which the E-RUCCH is located by the UE according to the configuration information of the E-RUCCH; reporting to a base station by utilizing the carrier wave of which the SNPL measurement results are required to be reported and the SNPL measurement results. The uplink access method is suitable for the uplink access of the multi-carrier UE.
Description
Technical field
The present invention relates to the access technology in mobile communication system, particularly relate to the up-link access method in a kind of multi-carrier high-speed upstream packet access (HSUPA) system.
Background technology
At present the TD-SCDMA system in order to support the application of high speed packet service, has introduced multi-transceiver technology, makes UE can use simultaneously a plurality of carrier waves to carry out the sending and receiving of data.Like this, bundle and minimized change by carrier wave, can improve Packet Service alone family peak rate, and the expansion by resource, embody the flexibility of scheduling, thereby can support better Packet Service, satisfy operator to the demand of high-speed packet data service.
After system has introduced the multi-carrier HSUPA technology, because a subscriber equipment (UE) can be simultaneously at a plurality of carrier wave transmitting datas, make when UE has up access demand, existing protocol is only broadcasted enhanced uplink random access channel (E-RUCCH) information of main carrier, even auxiliary carrier wave has configured E-RUCCH, do not send auxiliary carrier wave E-RUCCH information in broadcast channel yet.Be UE configuration effort carrier wave by RRC signaling again until UE after the main carrier access, and the same frequency of the E-RUCCH information of work carrier wave and work carrier wave/alien frequencies list.Former agreement flow process does not allow UE independently to carry out carrier wave to select, the SNPL value of the work carrier wave that UE can only the report network configuration.And UE is receiving working frequency points with after the list of frequency/alien frequencies, reports all the time default value before all adjacent area main carriers being finished a SNPL measurement, causes the power control performance of initial access influenced.
This shows, utilize existing UE up-link access method, UE can't select the E-RUCCH place carrier wave that is used for up access, also can't report SNPL measured value accurately when access, therefore, is not suitable for the up access of multicarrier UE.
Summary of the invention
In view of this, main purpose of the present invention is to provide the up-link access method in a kind of high speed uplink packet access, and the method can realize the up access of multicarrier UE.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
Up-link access method in a kind of HSUPA, the method comprises the following steps:
A, when multicarrier UE need to access, network side utilizes System information block that the configuration information of E-RUCCH is notified to UE, with the same frequency of each carrier wave of main plot, described UE place/alien frequencies list or be used for building described with frequently and the information of alien frequencies list notify to described UE, described configuration information comprises the numbering of E-RUCCH place carrier wave;
B, described UE determine the same frequency of described each carrier wave/alien frequencies list according to the described notice of network side, according to described Serving cell and the neighborhood path loss (SNPL) of measuring described each carrier wave with the list of frequency/alien frequencies, determine that according to described measurement result needs report the carrier wave of SNPL measurement result; Described UE is according to the configuration information of described E-RUCCH, select a carrier wave that is used for up access from the carrier wave of described E-RUCCH place, utilize described carrier wave for up access to report the carrier wave of SNPL measurement result and SNPL measurement result thereof to report the base station described needs.
in sum, up-link access method in the HSUPA that the present invention proposes, when multicarrier UE need to access, notified to UE by the carrier information that network side utilizes System information block will configure E-RUCCH, and with the same frequency of each carrier wave of main plot, UE place/alien frequencies list or be used for building described with frequently and the information of alien frequencies list notify to UE, so, UE can select to be used for the carrier wave of up access when up access, and can measure and the SNPL measurement result is reported the base station according to carrying out SNPL with the list of frequency/alien frequencies, so that dispatch this multicarrier UE based on this base station, therefore, the present invention can realize the up access of multicarrier UE.
Description of drawings
Fig. 1 is the flow chart of the embodiment of the present invention one.
Embodiment
core concept of the present invention is: when multicarrier UE need to access, the carrier information that network side utilizes System information block will configure E-RUCCH is notified to UE, so that UE selects the carrier wave for up access accordingly, simultaneously, network side with the same frequency of each carrier wave of main plot, UE place/alien frequencies list or be used for building described with frequently and the information of alien frequencies list notify to UE, so, UE can determine the same frequency of its residential quarter, place/alien frequencies list according to the above-mentioned information that network side sends, and then carry out the SNPL measurement and select needs to report the carrier wave of SNPL according to measurement result with the list of frequency/alien frequencies according to this, then UE can select a carrier wave from the carrier wave that has configured E-RUCCH, utilize this carrier wave that the SNPL measurement result is reported the base station, so that dispatch this multicarrier UE based on this base station.
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 1 is the flow chart of the embodiment of the present invention one.As shown in Figure 1, this embodiment comprises:
In this step, network side utilizes System information block that the configuration information of E-RUCCH is notified to UE, so, UE can be in step 102 selects to be used for the E-RUCCH place carrier wave of up access according to this configuration information, thereby realizes when the up access of UE the selection to E-RUCCH.Concrete, this configuration information, at least the numbering that comprises E-RUCCH place carrier wave, so that UE is known the concrete carrier wave of configuration E-RUCCH, further, can also comprise: the pre-setting priority of each carrier wave of E-RUCCH place, so that, after this UE can select to be used for according to the different priorities of carrier wave the carrier wave of up access, and concrete system of selection will be described in detail in step 102.
In this step, network side can be directly notified the same frequency of each carrier wave of main plot, UE place/alien frequencies list to UE, concrete Notification Method is that those skilled in the art are known, do not repeat them here, in addition, also can notify to described UE being used for building described information with frequency and alien frequencies list, build voluntarily described with frequency and alien frequencies list according to this information by UE, particularly, will be used to build described with frequently and the information of alien frequencies list notify to described UE and can adopt following two kinds of methods realization:
Method one: described main plot is with cell ID, main carrier and the auxiliary carrier information of this residential quarter, and the cell ID of each adjacent cell of described main plot, main carrier and auxiliary carrier information are notified to described UE.
By the main plot, all information that is used for building with frequency and alien frequencies list is notified to UE in method one, at this moment, the UE side can be according to main carrier and the auxiliary carrier index of each adjacent cell of the main plot main carrier that receives and auxiliary carrier index and described main plot, build the same frequency of each carrier wave of described main plot/alien frequencies list, concrete construction method is identical with the construction method of network side, owing to not repeating them here for those skilled in the art are known.
Method two: each adjacent cell of described main plot and described main plot is broadcasted respectively main carrier and the auxiliary carrier information of residential quarter separately.
Broadcast respectively the carrier information of residential quarter separately by main plot and adjacent cell in method two, correspondingly, UE determines the same frequency of described each carrier wave/alien frequencies list according to the described notice of network side and is:
Described UE is according to the main carrier of the adjacent cell that receives and main carrier and the auxiliary carrier index of auxiliary carrier index and described main plot, obtains the same frequency of each carrier wave of described main plot/alien frequencies list.
Here, although the advice method that method one and method two adopt is different, for UE, as long as the information that is used for building frequently same and alien frequencies list that receives, can build this with frequency and alien frequencies list, the concrete method that builds is identical with the method that the existing network side adopts.
Can realize in the UE access procedure by this step, according to the SNPL with described each carrier wave of frequency/alien frequencies list measurement, and determine that according to described measurement result needs report the carrier wave of SNPL measurement result.Particularly, above-mentioned measurement SNPL and determine need to report the carrier wave of SNPL measurement result can adopt with prior art in same procedure after the UE access realize, do not repeat them here.
UE described in this step selects a carrier wave that is used for up access for adopting following several method to realize from the carrier wave of described E-RUCCH place:
Method one: UE generates 0～1 an equally distributed random digit X; If ∑ (X
0... X
n-1)/∑ (X
1... X
N)≤X＜∑ (X
1... X
n)/∑ (X
1... X
N), select n carrier wave for being used for the carrier wave of up access, wherein, n is natural number and 1≤n≤N, N represents to configure the number of carriers of E-RUCCH, X
nBe the priority of n carrier wave, X
0=0.
Method two: UE generates 0～1 an equally distributed random digit X; If (n-1)/N≤X＜n/N selects n carrier wave for being used for the carrier wave of up access, wherein, n is natural number and 1≤n≤N, and N represents to configure the number of carriers of E-RUCCH.
Method three: utilize according to the SNPL measurement result with each measured carrier wave of frequency/alien frequencies list, select the carrier wave of described SNPL measurement result minimum as the carrier wave for up access from the carrier wave of E-RUCCH place.
Above-mentioned several selection is used for the implementation method of the carrier wave of up access, method one is to utilize each carrier wave priority of systemic presupposition to select, so that the RRM that system is optimized, method two is a kind of implementation of random selection, method simply is easy to realization, and three of methods are to select according to the SNPL measured value of carrier wave, so, can select carrier-quality best be used for up access, thereby can improve the access performance of system.In actual applications, be not limited to above-mentioned three kinds of methods, the use that also said method can be combined for example, when a plurality of SNPL measured values are identical, can select any one carrier wave also can select the high carrier wave of priority to be used for up access.
In sum, these are only preferred embodiment of the present invention, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. the up-link access method in high speed uplink packet access HSUPA, is characterized in that, the method comprises the following steps:
A, when multicarrier UE need to access, network side utilizes System information block that the configuration information of enhanced uplink random access channel E-RUCCH is notified to UE, with same frequency and the alien frequencies list of each carrier wave of main plot, described UE place or be used for building described with frequently and the information of alien frequencies list notify to described UE, described configuration information comprises the numbering of E-RUCCH place carrier wave;
B, described UE determine same frequency and the alien frequencies list of described each carrier wave according to the described notice of network side, according to described Serving cell and the neighborhood path loss SNPL that measures described each carrier wave with frequency and alien frequencies list, determine that according to described measurement result needs report the carrier wave of SNPL measurement result; Described UE is according to the configuration information of described E-RUCCH, select a carrier wave that is used for up access from the carrier wave of described E-RUCCH place, utilize described carrier wave for up access to report the carrier wave of SNPL measurement result and SNPL measurement result thereof to report the base station described needs.
2. method according to claim 1, is characterized in that, will notify to described UE be used to the information that builds described same frequency and alien frequencies list in step a to be:
Described main plot is with cell ID, main carrier and the auxiliary carrier information of this residential quarter, and the cell ID of each adjacent cell of described main plot, main carrier and auxiliary carrier information are notified to described UE.
3. method according to claim 1, is characterized in that, will notify to described UE be used to the information that builds described same frequency and alien frequencies list in step a to be:
Each adjacent cell of described main plot and described main plot is broadcasted respectively main carrier and the auxiliary carrier information of residential quarter separately;
Same frequency and alien frequencies list that in step b, UE determines described each carrier wave according to the described notice of network side are:
Described UE obtains same frequency and the alien frequencies list of each carrier wave of described main plot according to the main carrier of the adjacent cell that receives and main carrier and the auxiliary carrier index of auxiliary carrier index and described main plot.
4. method according to claim 1, is characterized in that, described in step a, configuration information further comprises: the pre-setting priority of each carrier wave of E-RUCCH place;
UE described in step b selects a carrier wave that is used for up access to be from the carrier wave of described E-RUCCH place:
UE generates 0 ~ 1 an equally distributed random digit X;
If ∑ (X
0... X
n-1)/∑ (X
1... X
N)≤X＜∑ (X
1... X
n)/∑ (X
1... X
N), select n carrier wave for being used for the carrier wave of up access, wherein, n is natural number and l≤n≤N, N represents to configure the number of carriers of E-RUCCH, X
nBe the priority of n carrier wave, X
0=0.
5. method according to claim 1, is characterized in that,
UE described in step b selects a carrier wave that is used for up access to be from the carrier wave of described E-RUCCH place:
UE generates 0 ~ 1 an equally distributed random digit X;
If (n-1)/N≤X＜n/N selects n carrier wave for being used for the carrier wave of up access, wherein, n is natural number and 1≤n≤N, and N represents to configure the number of carriers of E-RUCCH.
6. method according to claim 1, it is characterized in that, UE described in step b selects a carrier wave that is used for up access to be from the carrier wave of described E-RUCCH place: select the carrier wave of described SNPL measurement result minimum as the carrier wave that is used for up access from E-RUCCH place carrier wave.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010034415 CN102131229B (en) | 2010-01-15 | 2010-01-15 | Uplink access method in high-speed uplink packet access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010034415 CN102131229B (en) | 2010-01-15 | 2010-01-15 | Uplink access method in high-speed uplink packet access |
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| Publication Number | Publication Date |
|---|---|
| CN102131229A CN102131229A (en) | 2011-07-20 |
| CN102131229B true CN102131229B (en) | 2013-05-08 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102202336B (en) * | 2010-03-22 | 2015-06-03 | 中兴通讯股份有限公司 | System and method for configuring shared-channel neighbour cell of high speed uplink packet access in multi-carrier system |
| CN102958189B (en) * | 2011-08-26 | 2016-08-03 | 华为技术有限公司 | Accidental access method and subscriber equipment |
| CN107371239B (en) * | 2016-05-11 | 2019-09-17 | 电信科学技术研究院 | A kind of uplink dispatch method and device of carrier wave polymerization |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008157717A1 (en) * | 2007-06-19 | 2008-12-24 | Qualcomm Incorporated | Delivery of handover command |
| CN101340711A (en) * | 2007-07-06 | 2009-01-07 | 中兴通讯股份有限公司 | Scheduling information uploading method for multi-carrier reinforced uplink access system |
| CN101345970A (en) * | 2007-07-09 | 2009-01-14 | 中兴通讯股份有限公司 | Method for measuring neighbor community interference of multi-carrier wave reinforced ascending access system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008157717A1 (en) * | 2007-06-19 | 2008-12-24 | Qualcomm Incorporated | Delivery of handover command |
| CN101340711A (en) * | 2007-07-06 | 2009-01-07 | 中兴通讯股份有限公司 | Scheduling information uploading method for multi-carrier reinforced uplink access system |
| CN101345970A (en) * | 2007-07-09 | 2009-01-14 | 中兴通讯股份有限公司 | Method for measuring neighbor community interference of multi-carrier wave reinforced ascending access system |
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