CN101635935A - Neighboring cell information transmission method - Google Patents
Neighboring cell information transmission method Download PDFInfo
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- CN101635935A CN101635935A CN200810144510A CN200810144510A CN101635935A CN 101635935 A CN101635935 A CN 101635935A CN 200810144510 A CN200810144510 A CN 200810144510A CN 200810144510 A CN200810144510 A CN 200810144510A CN 101635935 A CN101635935 A CN 101635935A
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Abstract
The invention discloses a neighboring cell information transmission method. A network side sends the pilot frequency neighboring cell information to user equipment (UE) through a pilot frequency neighboring cell information list; when the pilot frequency neighbor cell of the UE has an auxiliary carrier wave having the same frequency with the working carrier of the UE, the network side adds identification information on the pilot frequency neighboring cell information list, and the identification information is used for informing the UE that the pilot frequency neighbor cell of the auxiliary carrier having the same frequency with the working carrier wave of the UE. By informing the UE the pilot frequency neighboring cell of the auxiliary carrier wave having the same frequency with the working carrier wave of the UE, the neighboring cell information transmission method of the invention leads the UE to ensure the performance of joint detection of multiple cells when the UE carries out joint detection of multiple cells; meanwhile, the UE can calculate SNPL more accurately and can be compatible with the existing protocol, thus improving the capacity of joint detection of multiple cells, enhancing HSUPA business level of the system and improving the overall performance of the TD-SCDMA mobile communication network.
Description
Technical field
The present invention relates to TDS-CDMA mobile communication system, relate in particular to a kind of transmission method of information of adjacent cells.
Background technology
TD-SCDMA (TD SDMA) mobile communication system is an important component part of 3-G (Generation Three mobile communication system) (3G), in order to promote the disposal ability of single sub-district, introduced multi-transceiver technology in the TD-SCDMA mobile communication system, promptly, configurable a plurality of carrier waves in each sub-district, one of them carrier wave is configured to main carrier, and all the other carrier waves are configured to auxilliary carrier wave.
One of effect of Primary Common Control Physical Channel is as beacon channel, and Primary Common Control Physical Channel and downlink pilot frequency channel only occur in main carrier frequency.The configuration of main carrier and auxilliary carrier wave also has certain flexibility in the multi-carrier district.
After in the TD-SCDMA mobile communication system, introducing HSUPA (high speed uplink packet access) technology, need to consider the interference of ascending power mandate to adjacent sub-district, therefore, subscriber equipment (UE) is when the request uplink scheduling, need (Serving and neighbour cellpathloss, SNPL) information reports base station (Node B) with the path loss of its Serving cell and adjacent sub-district.
SNPL and adjacent sub-district are relevant with the path loss on the carrier wave frequently, and adjacent sub-district is meant that with carrier wave frequently work carrier wave that dispose and UE is with main carrier or auxilliary carrier wave frequently in the adjacent sub-district of UE.In the sub-district based on multi-transceiver technology, the work carrier wave of UE may be that main carrier also may be auxilliary carrier wave, when calculating SNPL, the adjacent sub-district of UE all need be included in the calculating category of SNPL with the frequency carrier wave, comprises together main carrier frequently, also comprises with assisting carrier wave frequently.Yet, has only the beacon channel that just occurs being used to calculate path loss on the main carrier, consider that different carrier is more approaching to the path loss ratio of UE in the same frequency range, therefore, if the work carrier wave of existence and UE is with auxilliary carrier wave frequently in the adjacent sub-district, then UE can obtain path loss by the beacon channel on the main carrier of measuring this neighbour sub-district.
In the TD-SCDMA mobile communication system, also introduced the multi-plot joint detection technique, because the existence of co-channel interference, UE introduces after the multi-plot joint detection technique, if UE can obtain the same frequency carrier information of adjacent sub-district in advance, to help multi-plot joint to detect the raising of performance so, thereby promote the overall performance of whole network.
Agreement is stipulated at present, and network side will be configured in the co-frequency cell information list with adjacent cell main carrier frequently with the work carrier wave of UE, and this neighbour sub-district is called homogeneous-frequency adjacent-domain; To be configured in the adjacent cell main carrier of the work carrier wave alien frequencies of UE in the different frequency cell information tabulation, this neighbour sub-district is called the alien frequencies adjacent area.Co-frequency cell information list and different frequency cell information tabulation can send to UE by Measurement and Control System information or special measuring controlling message.
According to the regulation of present agreement, UE can't know include and its work carrier wave with the alien frequencies adjacent area of frequently auxilliary carrier wave, will cause the multi-plot joint of UE to detect performance can't guarantee; It is inaccurate also can to cause simultaneously SNPL to calculate.
Be the performance that guarantees that multi-plot joint detects, when the main carrier of adjacent sub-district and the work carrier wave alien frequencies of UE, and adjacent sub-district is when existing with UE work carrier wave with frequently auxilliary carrier wave, the main carrier of adjacent sub-district can be configured in the different frequency cell information tabulation, will be configured in the co-frequency cell information list with frequently auxilliary carrier wave simultaneously.Though adopt this method can make UE know whole same frequency carrier waves, yet, will cause homogeneous-frequency adjacent-domain and obscuring with the frequency carrier wave, even UE can discern main carrier and auxilliary carrier wave in the co-frequency cell information list, owing to there is no incidence relation between co-frequency cell information list and the different frequency cell information tabulation, be that UE can't know that certain carrier wave in certain carrier wave in the co-frequency cell information list and the different frequency cell information tabulation belongs to same adjacent sub-district, therefore also can't obtain the pairing main carrier information of auxilliary carrier wave in the co-frequency cell information list, still can't carry out path loss and measure.
In sum, be the problem that the calculating that solves SNPL and multi-plot joint detect, need a kind of method that UE can be known to have and UE work carrier wave with the alien frequencies adjacent area of auxilliary carrier wave frequently.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of transmission method of information of adjacent cells, will include and the alien frequencies adjacent area notice UE of UE work carrier wave with auxilliary carrier wave frequently.
For solving the problems of the technologies described above, the transmission method of a kind of information of adjacent cells of the present invention, network side sends the alien frequencies neighboring BS information by the different frequency cell information tabulation to user equipment (UE), when the alien frequencies adjacent area of UE has with the work carrier wave of UE with frequently auxilliary carrier wave, network side adds identification information in the different frequency cell information tabulation, this identification information is used to notify UE to have and the alien frequencies adjacent area of its work carrier wave with frequently auxilliary carrier wave.
Further, identification information is a common frequency measurement sub-district field, common frequency measurement sub-district field is made up of one or more alien-frequency district signs, wherein each alien-frequency district identify that pairing alien frequencies adjacent area has and UE work carrier wave with auxilliary carrier wave frequently, UE receives the different frequency cell information tabulation and reads common frequency measurement sub-district field, thereby knows existence and the alien frequencies adjacent area of its work carrier wave with frequently auxilliary carrier wave.
Further, UE searches the alien-frequency district sign identical with the alien-frequency district sign that reads, to obtain different frequency cell information according to each the alien-frequency district sign in the common frequency measurement sub-district field that reads under newly-built alien-frequency district field.
Further, identification information is an indication field, whether this indication field is used to identify the alien frequencies adjacent area has and the auxilliary carrier wave of UE work carrier wave with frequency, network side is in the different frequency cell information tabulation, for adding indication field in each alien frequencies adjacent area, UE receives the different frequency cell information tabulation and judges according to the indication field of each alien frequencies adjacent area whether this alien frequencies adjacent area has and the auxilliary carrier wave of its work carrier wave with frequency.
Further, indication field is added under the newly-built alien-frequency district field of different frequency cell information tabulation, and set its value with identify corresponding alien frequencies adjacent area and whether have and the work carrier wave of UE with auxilliary carrier wave frequently.
Further, the different frequency cell information tabulation is by Measurement and Control System information or special measuring controlling message notice UE.
Further, UE receives different frequency cell information tabulation, know have with the alien frequencies adjacent area of its work carrier wave with auxilliary carrier wave frequently after, the path loss of calculation services sub-district and adjacent sub-district or be used for multi-plot joint and detect.
In sum, the present invention notifies UE by including with the work carrier wave of UE with the alien frequencies adjacent area of frequently auxilliary carrier wave, makes UE when carrying out the multi-plot joint detection, has guaranteed the performance that multi-plot joint detects; Make UE more accurate when calculating SNPL simultaneously, and can compatible existing protocol, thus the ability that the multi-plot joint that has improved detects, and promoted the HSUPA professional skill of system, promoted the overall performance of TD-SCDMA mobile communications network.
Description of drawings
Fig. 1 is the flow chart of the embodiment of the invention 1;
Fig. 2 is the flow chart of the embodiment of the invention 1.
Embodiment
The present invention is with by adding identification information in different frequency cell information tabulation, to include with the work carrier wave of UE and notify UE with the alien frequencies adjacent area of frequency carrier wave, when UE was operated in main carrier, network side was by Measurement and Control System information or special measuring controlling message notice UE; When UE was operated in auxilliary carrier wave, network side was notified UE by special measuring controlling message.
To further describe technical characterictic of the present invention and function characteristics according to two specific embodiments of the present invention below, so that the present invention to be described better, but be not to be used for limiting protection scope of the present invention.
Embodiment 1:
101: network side is by sending the different frequency cell information tabulation with alien frequencies neighboring BS information notice UE to UE, can be chosen in newly-increased common frequency measurement sub-district field in the different frequency cell information tabulation, this common frequency measurement sub-district field is made up of one or more alien-frequency districts signs, and the represented alien frequencies adjacent area of above-mentioned alien-frequency district sign has and the same auxilliary carrier wave frequently of the work carrier wave of UE;
UE is according to the alien-frequency district that writes down in the field of common frequency measurement sub-district sign, just can find have and the work carrier wave of UE with the alien frequencies adjacent area of frequency carrier wave.The different frequency cell information tabulation can also can be carried by special measuring controlling message by the Measurement and Control System information-bearing.
As shown in table 1, different frequency cell information tabulation for the TS25.331 of 3GPP (third generation partner program), common frequency measurement sub-district (Cells for Intra-frequency measurement) field comprises one or more Inter-frequency cell id (alien-frequency district sign) son field, one of each alien-frequency district sign son field record have and UE work carrier wave with the cell ID of the alien frequencies adjacent area of carrier wave frequently, with notice UE have and its work carrier wave with the alien frequencies adjacent area of auxilliary carrier wave frequently.
In the table 1, write down the cell information of the newly-increased alien frequencies adjacent area of UE in New inter-frequency cells (newly-built alien-frequency district) field, the cell ID of each newly-increased alien frequencies adjacent area is alien-frequency district sign son field wherein.In the alien frequencies adjacent area of being write down, exist one or more have and UE work carrier wave with the alien frequencies adjacent area of auxilliary carrier wave frequently, also may not exist to have and the work carrier wave of UE alien frequencies adjacent area with auxilliary carrier wave frequently.When comprising common frequency measurement sub-district field in the different frequency cell information tabulation, will contain one or more alien-frequency districts signs, each alien-frequency district sign wherein is identical with certain alien-frequency district sign under the newly-built alien-frequency district field respectively.The alien frequencies adjacent area that son field alien-frequency district sign under the field of common frequency measurement sub-district is identified has and the auxilliary carrier wave of UE work carrier wave with frequency.Table 1 is the different frequency cell information tabulation after the field of interpolation common frequency measurement sub-district.
Table 1
| Information Element/Group name (cell/letter group name) | Need (optional/essential) | Multi (scope) |
| ＞... (omission) | ||
| New inter-frequency cells (newly-built alien-frequency district) | OP (optional) | 1to＜maxCellMeas〉(1 to largest cell measurement number) |
| ＞Inter-frequency cell id (alien-frequency district sign) | MD (essential) | |
| ＞... (omission) | ||
| Cells for Intra-frequency measurement (common frequency measurement sub-district) | OP (optional) | 1to＜maxCellMeas〉(1 to largest cell measurement number) |
| ＞Inter-frequency cell id (alien-frequency district sign) | MP (essential) |
Table 1 is present in Measurement and Control System information and the special measuring controlling message simultaneously, and when UE was operated in main carrier, network side was notified UE by Measurement and Control System information or special measuring controlling message with table 1; When UE is operated in auxilliary carrier wave, network side by special measuring controlling message with table 1 notice UE.
After step 102:UE receives different frequency cell information tabulation, read the common frequency measurement sub-district field in the different frequency cell information tabulation, thus know include and its work carrier wave with the alien frequencies adjacent area of carrier wave frequently.
UE is by reading the common frequency measurement sub-district field in the different frequency cell information tabulation, according to each the alien-frequency district sign in the common frequency measurement sub-district field that reads, under newly-built alien-frequency district field, search the alien-frequency district sign identical, to obtain different frequency cell information with the alien-frequency district sign that reads.Obtain one or more alien-frequency district signs, can in newly-built alien-frequency district field, find corresponding alien frequencies neighboring BS information, be used to calculate SNPL and carry out the multi-plot joint detection by each alien-frequency district sign.
Embodiment 2:
201: network side is by sending the different frequency cell information tabulation with alien frequencies neighboring BS information notice UE to UE, be the newly-increased indication field in each alien frequencies adjacent area in the different frequency cell information tabulation, be used to indicate this alien frequencies adjacent area whether to have and the same auxilliary carrier wave frequently of the work carrier wave of UE;
The different frequency cell information tabulation can also can be carried by special measuring controlling message by the Measurement and Control System information-bearing.
As shown in table 2, in the different frequency cell information tabulation of the TS25.331 of 3GPP, for adding an optional Intra-frequency Indicator (with indication frequently) field as above-mentioned indication field in each alien frequencies adjacent area, whether be used to identify this alien frequencies adjacent area and have and the same auxilliary carrier wave frequently of the work carrier wave of UE, its corresponding alien-frequency district is designated the alien-frequency district sign of current newly-increased alien-frequency district.
When wherein same frequency indication field is TRUE (very), represent that this alien frequencies adjacent area has and the same auxilliary carrier wave frequently of UE work at present carrier wave; When frequently being designated as FALSE (vacation), represent this alien frequencies adjacent area not and UE work at present carrier wave with auxilliary carrier wave frequently.Table 2 is for adding with the different frequency cell information tabulation of indication field frequently.
Table 2
| Information Element/Group name (cell/letter group name) | Need (optional/essential) | Multi (scope) |
| ＞... (omission) | ||
| New inter-frequency cells (newly-built alien-frequency district) | OP (optional) | 1to＜maxCellMeas〉(1 to largest cell measurement number) |
| ＞Inter-frequency cell id (alien-frequency district sign) | MD (essential) | |
| ＞... (omission) | ||
| ＞Intra-Frequency Indicator (with indication frequently) | MP (essential) |
Table 2 is present in Measurement and Control System information and the special measuring controlling message simultaneously, and when UE was operated in main carrier, network side was notified UE by Measurement and Control System information or special measuring controlling message with table 2; When UE is operated in auxilliary carrier wave, network side by special measuring controlling message with table 2 notice UE.
After step 202:UE receives the different frequency cell information tabulation, judge according to the indication field of different alien frequencies adjacent area whether this alien frequencies adjacent area has and the same auxilliary carrier wave frequently of the work carrier wave of UE.
UE whether have according to the alien frequencies adjacent area and its work carrier wave with frequently auxilliary carrier wave, calculate SNPL and carry out multi-plot joint and detect.
UE is when calculating SNPL and carry out the multi-plot joint detection, by method of the present invention, know have with the work carrier wave of UE alien frequencies adjacent area with auxilliary carrier wave frequently after, also need to use the carrier information in the co-frequency cell information list, thereby get access to whole same frequency carrier informations.The co-frequency cell information list also sends to UE by Measurement and Control System information or special measuring controlling message.As shown in table 3 is the co-frequency cell information list.
Table 3
| Information Element/Group name (cell/letter group name) | Need (optional/essential) | Multi (scope) |
| ＞... (omission) | ||
| New intra-frequency cells (newly-built co-frequency cell) | OP (optional) | 1to＜maxCellMeas〉(1 to largest cell measurement number) |
| ＞Intra-frequency cell id (co-frequency cell sign) | MD (essential) | |
| ＞... (omission) |
Foregoing only is an optimum implementation of the present invention, and it is not to be used for limiting the specific embodiment of the present invention, and all modification and changes of carrying out according to the main inventive concept of this method all should belong to the desired protection range of claims of the present invention.
Claims (7)
1, a kind of transmission method of information of adjacent cells, it is characterized in that, network side sends the alien frequencies neighboring BS information by the different frequency cell information tabulation to user equipment (UE), when the alien frequencies adjacent area of UE has with the work carrier wave of UE with frequently auxilliary carrier wave, described network side adds identification information in described different frequency cell information tabulation, this identification information is used to notify UE to have and the alien frequencies adjacent area of its work carrier wave with frequently auxilliary carrier wave.
2, the method for claim 1, it is characterized in that, described identification information is a common frequency measurement sub-district field, described common frequency measurement sub-district field is made up of one or more alien-frequency district signs, wherein each alien-frequency district identify that pairing alien frequencies adjacent area has and UE work carrier wave with auxilliary carrier wave frequently, described UE receives the different frequency cell information tabulation and reads common frequency measurement sub-district field, thereby knows existence and the alien frequencies adjacent area of its work carrier wave with frequently auxilliary carrier wave.
3, method as claimed in claim 2, it is characterized in that, described UE searches the alien-frequency district sign identical with the alien-frequency district sign that reads, to obtain different frequency cell information according to each the alien-frequency district sign in the common frequency measurement sub-district field that reads under newly-built alien-frequency district field.
4, the method for claim 1, it is characterized in that, described identification information is an indication field, whether this indication field is used to identify the alien frequencies adjacent area has and the auxilliary carrier wave of described UE work carrier wave with frequency, network side is in described different frequency cell information tabulation, for adding described indication field in each alien frequencies adjacent area, described UE receives the different frequency cell information tabulation and judges according to the indication field of each alien frequencies adjacent area whether this alien frequencies adjacent area has and the auxilliary carrier wave of its work carrier wave with frequency.
5, method as claimed in claim 4, it is characterized in that, described indication field is added under the newly-built alien-frequency district field of described different frequency cell information tabulation, and set its value with identify corresponding alien frequencies adjacent area and whether have and the work carrier wave of UE with auxilliary carrier wave frequently.
6, the method for claim 1 is characterized in that, described different frequency cell information tabulation is by Measurement and Control System information or special measuring controlling message notice UE.
7, as claim 2 or 4 described methods, it is characterized in that, described UE receives the tabulation of described different frequency cell information, know have with the alien frequencies adjacent area of its work carrier wave with auxilliary carrier wave frequently after, the path loss of calculation services sub-district and adjacent sub-district or be used for multi-plot joint and detect.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011011918A1 (en) * | 2009-07-30 | 2011-02-03 | 中兴通讯股份有限公司 | Method for transmitting neighbor cell information |
| CN102238570A (en) * | 2010-04-30 | 2011-11-09 | 电信科学技术研究院 | Method and device for measurement configuration of multi-carrier system |
| WO2012065522A1 (en) * | 2010-11-19 | 2012-05-24 | 大唐移动通信设备有限公司 | Method, system and device for determining snpl |
| WO2014086004A1 (en) * | 2012-12-05 | 2014-06-12 | 华为技术有限公司 | Method, apparatus and user equipment for measuring scalable bandwidth cell |
| WO2019062504A1 (en) * | 2017-09-28 | 2019-04-04 | 中国移动通信有限公司研究院 | Indication method for measuring frequency point, frequency point measurement method, base station and terminal |
| CN112333794A (en) * | 2020-11-05 | 2021-02-05 | 珠海格力电器股份有限公司 | Network connection method and device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100461957C (en) * | 2006-01-11 | 2009-02-11 | 中兴通讯股份有限公司 | Measuring control method in multiple carrier frequency time-division synchronous CDMA system |
| CN101217801B (en) * | 2008-01-08 | 2011-12-21 | 北京天碁科技有限公司 | A same frequency interference selection method applied in N frequency point networking system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011011918A1 (en) * | 2009-07-30 | 2011-02-03 | 中兴通讯股份有限公司 | Method for transmitting neighbor cell information |
| CN102238570A (en) * | 2010-04-30 | 2011-11-09 | 电信科学技术研究院 | Method and device for measurement configuration of multi-carrier system |
| CN102238570B (en) * | 2010-04-30 | 2015-06-17 | 电信科学技术研究院 | Method and device for measurement configuration of multi-carrier system |
| WO2012065522A1 (en) * | 2010-11-19 | 2012-05-24 | 大唐移动通信设备有限公司 | Method, system and device for determining snpl |
| WO2014086004A1 (en) * | 2012-12-05 | 2014-06-12 | 华为技术有限公司 | Method, apparatus and user equipment for measuring scalable bandwidth cell |
| CN104025642A (en) * | 2012-12-05 | 2014-09-03 | 华为技术有限公司 | Method, Apparatus And User Equipment For Measuring Scalable Bandwidth Cell |
| CN104025642B (en) * | 2012-12-05 | 2018-09-07 | 华为技术有限公司 | A kind of measurement method, device and the user equipment of scalable bandwidth cell |
| WO2019062504A1 (en) * | 2017-09-28 | 2019-04-04 | 中国移动通信有限公司研究院 | Indication method for measuring frequency point, frequency point measurement method, base station and terminal |
| CN112333794A (en) * | 2020-11-05 | 2021-02-05 | 珠海格力电器股份有限公司 | Network connection method and device |
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| CN101635935B (en) | 2012-04-18 |
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