CN101677428B - Paging method in large bandwidth multi-carrier system - Google Patents
Paging method in large bandwidth multi-carrier system Download PDFInfo
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- CN101677428B CN101677428B CN2008101612245A CN200810161224A CN101677428B CN 101677428 B CN101677428 B CN 101677428B CN 2008101612245 A CN2008101612245 A CN 2008101612245A CN 200810161224 A CN200810161224 A CN 200810161224A CN 101677428 B CN101677428 B CN 101677428B
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- 230000006854 communication Effects 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims description 44
- 239000000969 carrier Substances 0.000 claims description 22
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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
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
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Abstract
The invention discloses a paging method in a large bandwidth multi-carrier system, relating to a wireless communication system. In the method of the invention, the large bandwidth multi-carrier system mainly comprises at least one main carrier wave and a plurality of auxiliary carrier waves, wherein, the main carrier wave supports an integrated communication process; the auxiliary carrier waves support service communication of a terminal of a connecting status; a system side bears paging information on the main carrier wave, comprising a paging record list of a location area, system info modification and ETWS indication information; the auxiliary carrier waves bear paging information, comprising system info modification information and ETWS indication information; the terminal in a connecting state working on the main carrier wave or the auxiliary carrier waves receives the paging information on the work carrier wave thereon; the terminal in an idle state residing on the main carrier wave receives paging information on the main carrier wave. The method of the invention leads the system to have simplified operation under the condition of saved expense to a large extent, and reduces frequent frequency modulation operation of UE and the complexity of the UE.
Description
Technical Field
The present invention relates to a wireless communication system, and more particularly, to a paging method in a large bandwidth multi-carrier system.
Background
The 4G wireless communication system has higher spectrum efficiency than the third generation mobile communication system, and the 4G system aims to ensure that the data transmission rate of a mobile user reaches 100Mbit/s and the data transmission rate of a static user reaches 1Gbit/s before 2010. Due to the requirement of smooth evolution of the mobile communication system, in order to protect the benefit of the operator, the 4G system and the third generation mobile communication system, such as the TD-SCDMA (Time Division-Synchronous CDMA) system or the 802.16E system, will be compatible or coexist within a certain Time.
At present, the bandwidth of a 4G wireless communication system can reach up to 100MHz, and the bandwidth is variable, so that the system bandwidth of each cell can be flexibly set according to the service requirement in the 4G system whole network. The paging information in the 4G system is mainly divided into: paging Record List, System information modification, and recently proposed ETWS (earthquake tsunamining System) and the like. The Paging Record List domain information is mainly information of one or more UEs (terminal equipments) in the location area that need Paging; the System InfoModification field information is mainly broadcast information modification instruction information. There are two methods for sending the Paging Record List to the CONNECT state UE: the first is through the paging message is issued, thus, make the UE in CONNECT state monitor the paging message according to the paging cycle; the second is that the system side issues a paging signaling to the corresponding UE in a unicast manner.
Aiming at a 4G system with large bandwidth and multiple carriers, each carrier can work independently according to the current carrier design method, complete paging information exists, and any UE can work on any carrier, but the design method increases the system overhead, reduces the frequency spectrum utilization rate, and cannot meet the throughput requirement of a system with ultra-large bandwidth.
When a 4G system with large bandwidth and multiple carriers is designed by referring to a TD-SCDMA multi-carrier method, each cell only has one main carrier, other carriers belong to auxiliary carriers, and the auxiliary carriers do not have any public control channel, so that the UE in the auxiliary carriers needs to frequently perform frequency modulation, otherwise, the UE in a connection (CONNECT) state cannot access any public control information and read paging information. In modern 3G communication systems, IDLE (IDLE) UEs need to read paging information; the reason for reading the paging information by the UE in the CONNECT state is to obtain the ETWS information and the change information of the broadcast information. Therefore, the multi-carrier design method according to TD-SCDMA cannot satisfy 3G and more advanced systems. In addition, the ETWS information is also delivered through paging information, and the ETWS information is information that needs to be received in time regardless of the states of all UEs and the carriers in which the UEs are located.
In view of the foregoing, it is desirable to provide a reasonable large bandwidth system, carrier cooperation and a reasonable design method for paging information.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a paging method in a large-bandwidth multi-carrier system.
In order to solve the above problem, the present invention discloses a paging method in a large bandwidth multi-carrier system, which comprises:
the large bandwidth multi-carrier system comprises at least one main carrier and a plurality of auxiliary carriers, wherein the main carrier supports a complete communication process, and the auxiliary carriers support service communication of a terminal in a connection state;
the System side bears the Paging information on the main carrier, including the Paging Record List, System Info Modification and ETWS indication information of the location area, and bears the Paging information on the auxiliary carrier, including the System Info Modification information and ETWS indication information;
a connected terminal operating on the primary carrier or the secondary carrier receives paging information on its active carrier, and an idle terminal residing on the primary carrier receives paging information on the primary carrier.
Further, in the above method, the System InfoModification information is broadcast information modification indication information.
When the broadcast information is changed, the system side bears the broadcast information change indication information on the corresponding carrier wave, and the terminal receiving the broadcast information change indication information reads the broadcast information on the broadcast channel.
The system side carries broadcast information on each carrier, or only carries the broadcast information on the main carrier, if the broadcast information is changed, the paging information carried on each carrier by the system side comprises broadcast information change indication information;
at this time, the terminal receiving the broadcast information change instruction information reads the changed broadcast information on the carrier on which it operates, or reads the changed broadcast information from the broadcast channel of the main carrier.
The system side bears complete broadcast information on a main carrier, when the auxiliary carrier only bears respective carrier special broadcast information, the paging information borne by the system side on the main carrier comprises system broadcast information change indication information, and the paging information borne by the auxiliary carrier comprises system broadcast information change indication information and/or carrier special broadcast information change indication information;
at this time, the terminal receiving the system broadcast information change instruction information reads the changed system broadcast information from the broadcast channel of the main carrier, and the terminal receiving the carrier-specific broadcast information change instruction information reads the changed carrier-specific broadcast information from the broadcast channel of the working auxiliary carrier.
Further, in the above method, the terminal receiving the ETWS indication information reads the ETWS information on the corresponding carrier carrying the ETWS information.
When the system side only loads the ETWS information on the main carrier, the terminal receiving the ETWS indicating information reads the ETWS information from the main carrier.
The system side loads the ETWS information on each carrier, and the terminal receiving the ETWS indicating information reads the ETWS information from the working carrier.
Further, in the above method, the Paging information carried on the primary carrier includes a Paging Record List in a location area, where the Paging Record List includes Paging information of a terminal in an idle state, or includes Paging information of a UE in the idle state and Paging information of a terminal in a connection state on the primary carrier;
the Paging information carried on the secondary carrier does not include Paging Record List information, or the Paging Record List information of the terminal working on the secondary carrier is carried on the secondary carrier.
And when the Paging information carried on the auxiliary carrier does not comprise Paging Record List information, the system side issues the Paging Record List information to a terminal in a working state in a point-to-point service mode.
The technical scheme of the invention provides a method for cooperative work among carriers in a multi-carrier system, and simultaneously provides a method for hierarchical bearing of paging information and change indication of specific broadcast information of the carriers indicated by the paging information, thereby simplifying the work of the system under the condition of saving the overhead to the greatest extent, and reducing the frequent frequency modulation work of UE and the complexity of the UE.
Drawings
FIG. 1 is a diagram of hierarchical BCH and paging information in a large bandwidth multi-carrier system proposed by the present invention;
fig. 2(a) is a flow chart of the paging information indication system side in the large bandwidth multi-carrier system proposed by the present invention;
fig. 2(b) is a flowchart of issuing a Paging Record List Paging according to the state of a terminal paged by the Paging Record List in the location area in the flow shown in fig. 2 (a);
fig. 3 is a flowchart of a paging information indication terminal in a large bandwidth multi-carrier system according to the present invention.
Detailed Description
The main idea of the invention is that for a large bandwidth multi-carrier system, the classification of carrier or frequency band function can be achieved by configuring main and auxiliary carriers or main and auxiliary frequency bands, wherein the main carrier or main frequency band supports complete communication functions, such as initial access of UE and IDLE state residence of UE; the auxiliary carrier or the auxiliary frequency band is only used for the service communication of the UE in the CONNECT state;
according to the functional characteristics of the primary and secondary carriers or the primary and secondary frequency bands and two methods for sending the Paging Record List to the CONNECT state UE at present, the Paging information classification is performed, that is, all the information of the Paging, that is, the Paging Record List, the system information modification information and the ETWS indication information, is sent up and down on the primary carrier, and the Paging information on the secondary carrier is the Paging information that the UE in the CONNECT state on the secondary carrier needs to read, that is, the system information modification information and the ETWS indication information, or further includes the Paging Record List information of the UE on the secondary carrier. Specifically, the paging information is classified into the following two types:
the first method comprises the following steps: the main carrier carries all types of paging information, such as PagingRecord List, broadcast information change indication, ETWS indication information and the like of the whole location area; and the auxiliary carrier comprises a broadcast information change indication and ETWS indication information.
And the second method comprises the following steps: the main carrier carries all types of paging information, such as PagingRecord List, broadcast information change indication, ETWS indication information and the like of the whole location area; the secondary carrier comprises a broadcast information change indication, ETWS indication information and PaginRecord List of UE respectively borne on the corresponding secondary carrier.
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
The multi-carrier large bandwidth system flexibly configures a plurality of carriers according to the requirements of a cell, but the cell has at least one main carrier, and in some application scenarios, the plurality of main carriers can be configured, IDLE-state UEs reside on the main carriers, and the CONNECT UE can be scheduled arbitrarily, and at this time, the loading of paging information and the working process of the UE are as follows:
firstly, the working process of the multi-carrier system side is explained:
step 201: the system side receives the Paging Record List or the broadcast information of the location area or receives the ETWS information, after the system side receives the broadcast information, the step 202 is carried out, if the system side receives the received ETWS information, the step 204 is carried out, and if the system side receives the Paging Record List of the location area, the step 205 is carried out;
when the core network side generates any one or two or three kinds of the three kinds of information, the three kinds of information can be issued.
Step 202: if the system side receives the broadcast information, judging whether the broadcast information is changed, if so, entering a step 203, otherwise, entering a step 206;
the method for judging the change of the broadcast information comprises the following steps: the system decodes the received broadcast information, compares the received broadcast information with the broadcast information stored at the system side according to bit bits, if the comparison has different bit bits or the sizes of the information blocks are different, the system can deem that the broadcast information is changed, otherwise, the system does not change the broadcast information.
Step 203: the paging information carried by the system side on the corresponding carrier includes broadcast information change indication information, and then step 206 is entered;
in this step, a broadcast information change instruction may be performed on a corresponding carrier according to the prior art, for example:
when the main carrier and the auxiliary carrier both bear broadcast information or only bear the broadcast information on the main carrier, the paging information borne by the system side on each carrier comprises broadcast information change indication information;
when the broadcast information is loaded on the primary and secondary carriers in a hierarchical manner, that is, the system side loads complete broadcast information on the primary carrier, and the secondary carrier only loads broadcast information (such as RACH resource information of the carrier) specific to each carrier or changes relatively frequent information (such as TDD uplink and downlink subframe allocation information), the paging information loaded on the primary carrier by the system side includes system broadcast information change indication information, and the paging information loaded on the secondary carrier is the system broadcast information change indication information and/or carrier-specific broadcast information change indication information.
Step 204: if the system side receives the ETWS information, the paging information carried by the system on each carrier includes ETWS indication information, and then step 206 is performed;
ETWS primarily informs that information is carried on individual carriers or only on the primary carrier. When the system has the ETWS type information, the paging information carried by each carrier comprises ETWS indicating information;
step 205: the system side receives a Paging Record List of the location area, and the Paging information carried on the main carrier and the auxiliary carrier comprises the Paging Record List in the location area;
in this step, the Paging information carried on the primary carrier includes a Paging Record List in the location area, which mainly includes a Paging Record List of the UE in the idle state, or includes a Paging Record List of the UE in the idle state and a Paging Record List of the UE operating on the primary carrier (CONNECT state). The Paging information carried on the secondary carrier does not include Paging Record List information, or the Paging Record List information of the UE working on the secondary carrier is carried on the secondary carrier.
In step 205, further according to the state judgment of the Paging Record List Paging terminal in the location area, when the paged terminal is in the idle state, it resides on the primary carrier, and receives the Paging information on the primary carrier, and when the UE is in the working state (connect state), the UE receives the Paging information on the working carrier, and the specific process is as shown in fig. 2(b), and includes the following steps:
step A: the system side receives a Paging Record List of a position area of a certain terminal;
and B: the system side judges whether the paged terminal is in an IDLE state, if so, the step C is carried out, otherwise, the step D is carried out;
and C: loading the Paging Record List of the terminal in the Paging information of the main carrier, and ending the process;
step D: and the Paging Record List of the terminal is carried in the Paging information on the working carrier wave of the terminal or is sent to the terminal through a common service mode.
Step 206: and finishing the bearing of the paging information of each carrier, and issuing the paging information.
The following is introduced: working process of the multi-carrier terminal side:
step 301: each terminal monitors the paging information of the carrier wave in which the terminal is positioned;
in this step, the Paging information mainly monitored by the UE in the working state is the broadcast information change indication and the ETWS indication information, and after the UE in the working state can monitor such Paging information on the control channel, in other embodiments, the UE in the working state also monitors Paging RecordList information on the carrier where the UE is located; the UE in the IDEL state monitors the whole Paging information, i.e., the Paging Record List, the broadcast information modification indication, and the ETWS indication information, in the primary carrier, where the UE in the IDEL state monitors the Paging Record List in the location area from the primary carrier, and then performs subsequent processing according to the prior art;
step 302: the terminal judges whether there is a broadcast information change instruction or an ETWS instruction, if so, step 303 is entered, otherwise, the flow is ended;
in this step, the terminal analyzes the paging information, and when there is the broadcast information change indication information or the ETWS indication information in the paging information, it is considered that the broadcast information of the system is changed or the ETWS information exists.
Step 303: judging whether the terminal is on the main carrier, if so, entering a step 304, otherwise, entering a step 305;
step 304: the terminal directly reads the updated broadcast information or the ETWS information on the main carrier where the terminal is located, and the process is ended;
step 305: the terminal reads the updated broadcast information or the ETWS information on the secondary carrier where the terminal is located, or the terminal tunes to the primary carrier to read the updated broadcast information or the ETWS information, and the process is ended.
In the above process, after receiving the broadcast change indication information, the terminal reads the updated broadcast information at the position of the corresponding broadcast channel of the carrier where the terminal is located; or
After receiving the change indication information, the terminal on the main carrier reads updated broadcast information from the broadcast channel at the position corresponding to the broadcast channel of the main carrier, and after receiving the change indication information, the terminal on the auxiliary carrier hops to the main carrier and reads the updated broadcast information from the broadcast channel of the main carrier; or
When the terminal on the main carrier receives the system broadcast information change indication information, the updated broadcast information is read at the position of the broadcast channel of the main carrier, when the terminal on the auxiliary carrier receives the system broadcast information change indication information, the frequency is hopped to the main carrier, the updated broadcast information is read from the broadcast channel of the main carrier, and when the terminal on the auxiliary carrier receives the carrier special broadcast information change indication information, the broadcast information is read on the carrier, so that the broadcast information is updated.
When the terminal receives the ETWS indicating information, reading the ETWS information at the corresponding resource position; when the ETWS main notification information is carried on the main carrier, the terminal may specify that the ETWS information occupies a fixed resource according to an occupied resource of the ETWS information indicated in the control channel or a protocol, and read the ETWS information, wherein when the terminal operates on the auxiliary carrier, the terminal needs to hop to the main carrier to read the ETWS information; when the ETWS main notification information is carried on all carriers, the terminal may specify that the ETWS information occupies the fixed resource of each carrier according to the occupied resource of the ETWS information indicated by the control channel of each carrier or a protocol, and read the ETWS information.
It can be seen from the foregoing embodiments that, in the technical solution of the present invention, based on the cooperative work among carriers in a multi-carrier system, carrier or frequency band function classification and classification of paging information are proposed, so that a method for indicating broadcast information modification indication and ETWS information of a carrier by using paging information on each carrier can be used, so that the system simplifies the working process, reduces frequent frequency modulation work of a terminal, and reduces complexity of the terminal under the condition of saving overhead most.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A paging method in a large bandwidth multi-carrier system, comprising:
the large bandwidth multi-carrier system comprises at least one main carrier and a plurality of auxiliary carriers, wherein the main carrier supports a complete communication process, and the auxiliary carriers support service communication of a terminal in a connection state;
the System side bears Paging information on a main carrier, wherein the Paging information comprises a Paging list recording list of a position area, System information Modification information System Info Modification and earthquake tsunami warning information ETWS indicating information, and the Paging information comprises the System Info Modification information and the ETWS indicating information;
a connected terminal operating on the primary carrier or the secondary carrier receives paging information on its active carrier, and an idle terminal residing on the primary carrier receives paging information on the primary carrier.
2. The method of claim 1,
the System Info Modification information is broadcast information Modification indication information.
3. The method of claim 2,
when the broadcast information is changed, the system side bears the broadcast information change indication information on the corresponding carrier wave, and the terminal receiving the broadcast information change indication information reads the broadcast information on a broadcast channel.
4. The method of claim 3,
the system side bears broadcast information on each carrier, and when the broadcast information is changed, the paging information borne by the system side on each carrier comprises broadcast information change indication information;
at this time, the terminal receiving the broadcast information change indication information reads the changed broadcast information on the working carrier, or reads the changed broadcast information from the broadcast channel of the main carrier;
or,
the system side only bears broadcast information on the main carrier, and when the broadcast information is changed, the paging information borne by the system side on each carrier comprises broadcast information change indication information;
at this time, the terminal receiving the broadcast information change instruction information reads the changed broadcast information on the carrier on which it operates, or reads the changed broadcast information from the broadcast channel of the main carrier.
5. The method of claim 3,
the system side bears complete broadcast information on a main carrier, only bears respective carrier special broadcast information on an auxiliary carrier, the paging information borne by the system side on the main carrier comprises system broadcast information change indication information, and the paging information borne by the auxiliary carrier comprises system broadcast information change indication information and/or carrier special broadcast information change indication information;
at this time, the terminal receiving the system broadcast information change instruction information reads the changed system broadcast information from the broadcast channel of the main carrier, and the terminal receiving the carrier-specific broadcast information change instruction information reads the changed carrier-specific broadcast information from the broadcast channel of the working auxiliary carrier.
6. The method of claim 1, further comprising,
and the terminal receiving the ETWS indicating information reads the ETWS information on the corresponding carrier carrying the ETWS information.
7. The method of claim 6,
the system side only loads the ETWS information on the main carrier, and the terminal receiving the ETWS indication information reads the ETWS information from the main carrier.
8. The method of claim 6,
the system side loads the ETWS information on each carrier, and the terminal receiving the ETWS indicating information reads the ETWS information from the working carrier.
9. The method of claim 1,
the Paging information carried on the main carrier comprises Paging Record List in a location area, wherein the Paging Record List comprises Paging information of a terminal in an idle state, or comprises Paging information of the terminal in the idle state and Paging information of the terminal in a connection state on the main carrier;
the Paging information carried on the secondary carrier does not include Paging Record List information, or the Paging Record List information of the terminal working on the secondary carrier is carried on the secondary carrier.
10. The method of claim 9,
and when the Paging information carried on the auxiliary carrier does not comprise Paging Record List information, the system side issues the Paging Record List information to a terminal in a working state in a point-to-point service mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101612245A CN101677428B (en) | 2008-09-18 | 2008-09-18 | Paging method in large bandwidth multi-carrier system |
| PCT/CN2009/072811 WO2010031276A1 (en) | 2008-09-18 | 2009-07-17 | Paging method for system with large bandwidth and multi-carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101612245A CN101677428B (en) | 2008-09-18 | 2008-09-18 | Paging method in large bandwidth multi-carrier system |
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| CN101677428A CN101677428A (en) | 2010-03-24 |
| CN101677428B true CN101677428B (en) | 2012-07-18 |
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| CN2008101612245A Expired - Fee Related CN101677428B (en) | 2008-09-18 | 2008-09-18 | Paging method in large bandwidth multi-carrier system |
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| CN (1) | CN101677428B (en) |
| WO (1) | WO2010031276A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8676138B2 (en) * | 2010-04-19 | 2014-03-18 | Htc Corporation | Method of handling system information reception and related communication device |
| WO2018028052A1 (en) * | 2016-08-10 | 2018-02-15 | 中兴通讯股份有限公司 | Configuration method and nodes supporting multi-carrier paging |
| CN115004801B (en) * | 2020-02-11 | 2024-07-05 | 华为技术有限公司 | A communication method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091410A (en) * | 2004-11-29 | 2007-12-19 | 诺基亚公司 | Method and apparatus for optimizing paging in a flexible multi-carrier system |
| WO2008008984A2 (en) * | 2006-07-14 | 2008-01-17 | Qualcomm Incorporated | Method and apparatus for quick-paging of terminals in a wireless communication system |
| CN101267596A (en) * | 2007-03-14 | 2008-09-17 | 华为技术有限公司 | Method, system and device for carrying paging message |
-
2008
- 2008-09-18 CN CN2008101612245A patent/CN101677428B/en not_active Expired - Fee Related
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- 2009-07-17 WO PCT/CN2009/072811 patent/WO2010031276A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091410A (en) * | 2004-11-29 | 2007-12-19 | 诺基亚公司 | Method and apparatus for optimizing paging in a flexible multi-carrier system |
| WO2008008984A2 (en) * | 2006-07-14 | 2008-01-17 | Qualcomm Incorporated | Method and apparatus for quick-paging of terminals in a wireless communication system |
| CN101267596A (en) * | 2007-03-14 | 2008-09-17 | 华为技术有限公司 | Method, system and device for carrying paging message |
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| WO2010031276A1 (en) | 2010-03-25 |
| CN101677428A (en) | 2010-03-24 |
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