CN101640890A - Broadcast channel allocation method and information reading method for wide bandwidth system - Google Patents
Broadcast channel allocation method and information reading method for wide bandwidth system Download PDFInfo
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- CN101640890A CN101640890A CN200810131247A CN200810131247A CN101640890A CN 101640890 A CN101640890 A CN 101640890A CN 200810131247 A CN200810131247 A CN 200810131247A CN 200810131247 A CN200810131247 A CN 200810131247A CN 101640890 A CN101640890 A CN 101640890A
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Abstract
The invention discloses a broadcast channel allocation method and an information reading method for wide bandwidth system. The broadcast channel allocation method for the wide bandwidth system comprises the following steps of: allocating a primary broadcast channel in a middle frequency band/primary carrier of the wide bandwidth system and allocating system broadcast channel information and/or system dynamic broadcast channel information and the broadcast channel information in the middle frequency band/primary carrier to the primary broadcast channel; and allocating a secondary broadcast channel or dynamic broadcast channel in the middle frequency band/primary carrier and/or other middle frequency bands/secondary carriers of the wide bandwidth system. According to technical scheme, the wide bandwidth system uses different BCHs to transmit different kinds of channel information to allow wide bandwidth terminals or narrow bandwidth terminals to completely read BCH information, and theproblem the wide bandwidth system cannot be backward compatible with the narrow bandwidth terminals in the prior art is solved.
Description
Technical field
The present invention relates to the communications field, particularly, relate to a kind of broadcast channel collocation method and information-reading method of large bandwidth system.
Background technology
At present, the 4th generation (4G) wireless communication system occurred, it has higher spectrum efficiency than the third generation (3G) wireless communication system.But, because the needs of wireless communication system smooth evolution, in the regular hour, the 4th generation wireless communication system will be compatible with third generation wireless communication system (for example synchronous code division multiple access system of time-division or 802.16E system etc.) or coexist.
The bandwidth of 4G wireless communication system can be up to 100MHz, large bandwidth system will satisfy following requirement under the situation of paring down expenses most, promptly, (User Equipment UE) can both reliably, intactly receive broadcast channel (Broadcast Channel, BCH) information to make big bandwidth or little bandwidth subscriber equipment, simultaneously can the backward compatibility existing systems, for example, and long evolving system (Long-Term Evolution, LTE).
In present technical scheme, system bandwidth is less than or equal to terminal bandwidth, designs (for example, dividing main BCH and auxilliary BCH among the LTE) arbitrarily for the BCH of system, big bandwidth terminals and little bandwidth terminals can intactly receive BCH message, and the time-frequency domain expense is also relatively saved.But in large bandwidth system, system bandwidth can't guarantee that more than or equal to terminal bandwidth terminal can both reliably, intactly receive BCH information, that is to say, the terminal that present large bandwidth system can't the little bandwidth of backward compatibility.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, main purpose of the present invention is to provide a kind of broadcast channel collocation method and information-reading method of large bandwidth system, in order to solve the problem of the terminal that large bandwidth system in the prior art can't the little bandwidth of backward compatibility.
A kind of broadcast channel collocation method of large bandwidth system is provided according to an aspect of the present invention.
Be used for the broadcast channel of the large bandwidth system of backward compatibility is configured according to the broadcast channel collocation method of large bandwidth system of the present invention, this method comprises: the intermediate bands/main carrier at large bandwidth system disposes main broadcast channel, and at broadcast channel information and/or the Dynamic Broadcast Channel information of system and the broadcast channel information of the frequency range/main carrier that mediates of main broadcast channel configuration-system; Intermediate bands/main carrier and/or other frequency range/auxilliary broadcast channel of auxilliary carrier wave configuration or Dynamic Broadcast Channel at large bandwidth system.
Wherein, the processing of disposing main broadcast channel further comprises: at the static information of main broadcast channel configuration large bandwidth system.
Wherein, the processing of disposing main broadcast channel further comprises: in the information of each frequency range/each carrier wave at auxilliary broadcast channel of main broadcast channel configuration and/or Dynamic Broadcast Channel place.
Wherein, the processing of auxilliary broadcast channel of configuration and/or Dynamic Broadcast Channel further comprises: the information that disposes each frequency range/each carrier wave at its place at auxilliary broadcast channel and/or Dynamic Broadcast Channel.
Wherein, the time-domain position that is positioned at the broadcast channel of different frequency range/carrier wave is same to each other or different to each other.
According to another aspect of the present invention, a kind of broadcast channel information read method of large bandwidth system is provided, be used to read the information of broadcast channel of the broadcast channel collocation method configuration of large bandwidth system, the broadcast channel information read method comprises: terminal according to its working frequency range/carrier wave the intermediate bands/main carrier of large bandwidth system or further the frequency range of other outside intermediate bands/main carrier/auxilliary carrier wave read broadcast channel information.
Wherein, if the main broadcast channel of system does not dispose the information of assisting the frequency range/carrier wave of broadcast channel and/or Dynamic Broadcast Channel on other frequency range/auxilliary carrier wave, then the broadcast channel information read method further comprises: the working frequency range/carrier wave in terminal is under the situation of intermediate bands/main carrier, and terminal is carried out work according to it at the broadcast channel information that intermediate bands/main carrier reads.
Wherein, if the main broadcast channel of system does not dispose the information of assisting the frequency range/carrier wave of broadcast channel and/or Dynamic Broadcast Channel on other frequency range/auxilliary carrier wave, then the broadcast channel information read method further comprises: the working frequency range/carrier wave in terminal is under the situation of other frequency range/auxilliary carrier wave outside intermediate bands/main carrier, terminal reads broadcast channel information at the broadcast channel information that intermediate bands/main carrier reads at the working frequency range/carrier wave of terminal according to it, and carries out work.
Wherein, if the main broadcast channel of system has disposed the information of the frequency range/carrier wave of auxilliary broadcast channel on other frequency range/auxilliary carrier wave and/or Dynamic Broadcast Channel, then the broadcast channel information read method further comprises: terminal is worked at working frequency range/carrier wave according to the information of the working frequency range/carrier wave of its terminal that reads from middle frequency range/main carrier.
Preferably, terminal is large bandwidth system terminal or little bandwidth system terminal.
By technique scheme of the present invention, large bandwidth system uses the different different channel informations of BCH transmission, make big bandwidth terminals or the little bandwidth terminals can both intactly to read BCH information, solved the problem that large bandwidth system in the prior art can't the little bandwidth terminals of backward compatibility.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the broadcast channel collocation method flow chart according to the large bandwidth system of the inventive method embodiment one;
Fig. 2 is the schematic diagram one according to the broadcast channel collocation method practical application of the large bandwidth system of the inventive method embodiment one;
Fig. 3 is the schematic diagram two according to the broadcast channel collocation method practical application of the large bandwidth system of the inventive method embodiment one.
Embodiment
The invention provides a kind of design of BCH channel architecture of large bandwidth system, large bandwidth system is by using the different different channel informations of BCH transmission, make big bandwidth terminals or the little bandwidth terminals can both intactly to read BCH information, solved the problem that large bandwidth system in the prior art can't the little bandwidth terminals of backward compatibility.
Method embodiment one
A kind of broadcast channel collocation method of large bandwidth system is provided in the present embodiment.
As shown in Figure 1, the broadcast channel collocation method according to the large bandwidth system of present embodiment comprises following processing:
Step S102, intermediate bands (can also be called the center frequency range)/main carrier at large bandwidth system disposes main broadcast channel, and at broadcast channel information and/or the Dynamic Broadcast Channel information of system and the broadcast channel information of the frequency range/main carrier that mediates of main broadcast channel configuration-system;
Step S104 is at the intermediate bands/main carrier and/or other frequency range/auxilliary broadcast channel of auxilliary carrier wave configuration or the Dynamic Broadcast Channel of large bandwidth system.
The following specifically describes the details of above-mentioned processing.
(1) step S102
The processing of disposing main broadcast channel further comprises: at the static information of main broadcast channel configuration large bandwidth system.
And the processing of disposing main broadcast channel further comprises: the information of assisting each frequency range/each carrier wave at broadcast channel and/or Dynamic Broadcast Channel place in main broadcast channel configuration.
(2) step S104
The processing of auxilliary broadcast channel of configuration and/or Dynamic Broadcast Channel further comprises: the information that disposes each frequency range/each carrier wave at its place at auxilliary broadcast channel and/or Dynamic Broadcast Channel.
Wherein, the time-domain position that is positioned at the broadcast channel of different frequency range/carrier wave is same to each other or different to each other.
Specify the present invention below in conjunction with example.
Large bandwidth system carries out compatibility to existing system, in design during BCH, can design according to the method for the BCH grading design of existing system, and BCH is divided into main BCH and auxilliary BCH.Fig. 2 shows the schematic diagram of the broadcast channel collocation method practical application of large bandwidth system, as shown in Figure 2, on the intermediate bands/main carrier of large bandwidth system, designed the auxilliary BCH of main BCH and system, Fig. 3 shows another schematic diagram of the broadcast channel collocation method practical application of large bandwidth system, as shown in Figure 3, the distinctive separately auxilliary BCH of design respectively on the intermediate bands/main carrier of large bandwidth system and other frequency range/auxilliary carrier wave, and auxilliary BCH of the system of intermediate bands/main carrier and auxilliary BCH can be combined into a synthetic auxilliary BCH.
Pass through technique scheme, on the basis of information grading, make up the BCH channel architecture, promptly, purposes according to information marks off different BCH channels in order to transfer system information and public information at center frequency range/main carrier, simultaneously, the BCH channel also is used to transmit the peculiar information of center frequency range/main carrier, and other frequency ranges/auxilliary carrier wave transmits separately the broadcast message of carrier wave of frequency range/separately, also can place some frequent system informations that change.Like this, large bandwidth system just can provide the multiple BCH channel that satisfies the different bandwidth requirement to big bandwidth terminals and little bandwidth terminals.
Method embodiment two
A kind of broadcast channel information read method of large bandwidth system is provided in the present embodiment.
Broadcast channel information read method according to the large bandwidth system of present embodiment comprises: terminal according to its working frequency range/carrier wave the intermediate bands/main carrier of large bandwidth system or further the frequency range of other outside intermediate bands/main carrier/auxilliary carrier wave read broadcast channel information.
The following specifically describes the details of above-mentioned processing.
In above-mentioned broadcast channel information read method, if the main broadcast channel of system does not dispose the information of assisting the frequency range/carrier wave of broadcast channel and/or Dynamic Broadcast Channel on other frequency range/auxilliary carrier wave, then the broadcast channel information read method further comprises: the working frequency range/carrier wave in terminal is under the situation of intermediate bands/main carrier, terminal is carried out work according to it at the broadcast channel information that intermediate bands/main carrier reads, wherein, above-mentioned terminal can be the large bandwidth system terminal, also can be little bandwidth system terminal.
Wherein, if the main broadcast channel of system does not dispose the information of assisting the frequency range/carrier wave of broadcast channel and/or Dynamic Broadcast Channel on other frequency range/auxilliary carrier wave, then the broadcast channel information read method further comprises: the working frequency range/carrier wave in terminal is under the situation of other frequency range/auxilliary carrier wave outside intermediate bands/main carrier, terminal reads broadcast channel information at the broadcast channel information that intermediate bands/main carrier reads at the working frequency range/carrier wave of terminal according to it, and carries out work.
Wherein, if the main broadcast channel of system has disposed the information of the frequency range/carrier wave of auxilliary broadcast channel on other frequency range/auxilliary carrier wave and/or Dynamic Broadcast Channel, then the broadcast channel information read method further comprises: terminal is worked at working frequency range/carrier wave according to the information of the working frequency range/carrier wave of its terminal that reads from middle frequency range/main carrier.
The following specifically describes and how to implement above-mentioned broadcast channel information read method.
At first, terminal inserts large bandwidth system from center frequency range/main carrier, and reads all the BCH information on the frequency range/main carrier of center.
The large bandwidth system lateral root is terminal distribution working frequency range/carrier wave/carrier wave according to the application of system load or terminal.Distributing to the working frequency range/carrier wave of terminal/carrier wave under the situation on the frequency range/main carrier of center, terminal can be on the frequency range/main carrier of center operate as normal.Under the situation on other frequency ranges/auxilliary carrier wave, terminal is tuned to working frequency range/carrier wave, reads the auxilliary BCH on corresponding band/carrier wave, enters normal operating conditions at the working frequency range/carrier wave of terminal.
For the terminal of not working on the frequency range/main carrier of center, when the BCH of system changed, terminal was revised indication according to the BCH of paging channel, is tuned to the renewal of carrying out the BCH of system information on the frequency range/main carrier of center.
By technique scheme, big bandwidth terminals and little bandwidth terminals can both intactly read BCH information, have farthest saved signaling consumption simultaneously, make big bandwidth terminals and little bandwidth terminals can both reliably insert large bandwidth system effectively.
In sum, by the broadcast channel collocation method of large bandwidth system of the present invention and the broadcast channel information read method of large bandwidth system, on the basis of information grading, make up the BCH channel architecture, make different BCH transmit different channel informations, like this, make big bandwidth terminals or little bandwidth terminals can both intactly read BCH information, farthest saved signaling consumption, solved the problem that large bandwidth system can't the little bandwidth terminals of backward compatibility.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the broadcast channel collocation method of a large bandwidth system is used for the broadcast channel of the large bandwidth system of backward compatibility is configured, and it is characterized in that described method comprises:
Intermediate bands/main carrier at described large bandwidth system disposes main broadcast channel, and at broadcast channel information and/or the Dynamic Broadcast Channel information of system and the broadcast channel information that is in described intermediate bands/main carrier of described main broadcast channel configuration-system;
Described intermediate bands/main carrier and/or other frequency range/auxilliary broadcast channel of auxilliary carrier wave configuration or Dynamic Broadcast Channel at described large bandwidth system.
2. method according to claim 1 is characterized in that, the processing of disposing described main broadcast channel further comprises:
Dispose the static information of described large bandwidth system at described main broadcast channel.
3. method according to claim 2 is characterized in that, the processing of disposing described main broadcast channel further comprises:
Dispose the information of each frequency range/each carrier wave at described auxilliary broadcast channel and/or described Dynamic Broadcast Channel place at described main broadcast channel.
4. method according to claim 1 is characterized in that, the processing of disposing described auxilliary broadcast channel and/or described Dynamic Broadcast Channel further comprises:
Dispose the information of each frequency range/each carrier wave at its place at described auxilliary broadcast channel and/or described Dynamic Broadcast Channel.
5. method according to claim 1 is characterized in that the time-domain position that is positioned at the broadcast channel of different frequency range/carrier wave is same to each other or different to each other.
6. the broadcast channel information read method of a large bandwidth system is used for reading the information according to the broadcast channel of each described method configuration of claim 1 to 5, it is characterized in that described broadcast channel information read method comprises:
Terminal according to its working frequency range/carrier wave the intermediate bands/main carrier of described large bandwidth system or further other frequency range outside described intermediate bands/main carrier/auxilliary carrier wave read broadcast channel information.
7. method according to claim 6 is characterized in that, if the main broadcast channel of system does not dispose the information of assisting the frequency range/carrier wave of broadcast channel and/or Dynamic Broadcast Channel on other frequency range/auxilliary carrier wave, then described method further comprises:
Working frequency range/carrier wave in described terminal is under the situation of described intermediate bands/main carrier, and described terminal is carried out work according to it at the broadcast channel information that described intermediate bands/main carrier reads.
8. method according to claim 6 is characterized in that, if the main broadcast channel of system does not dispose the information of assisting the frequency range/carrier wave of broadcast channel and/or Dynamic Broadcast Channel on other frequency range/auxilliary carrier wave, then described method further comprises:
Working frequency range/carrier wave in described terminal is under the situation of other frequency range/auxilliary carrier wave outside described intermediate bands/main carrier, described terminal reads broadcast channel information at the broadcast channel information that described intermediate bands/main carrier reads at the working frequency range/carrier wave of described terminal according to it, and carries out work.
9. method according to claim 6 is characterized in that, if the main broadcast channel of system has disposed the information of assisting the frequency range/carrier wave of broadcast channel and/or Dynamic Broadcast Channel on other frequency range/auxilliary carrier wave, then described method further comprises:
Described terminal is worked at described working frequency range/carrier wave according to the information of the working frequency range/carrier wave of its described terminal that reads from described intermediate bands/main carrier.
10. according to each described method in the claim 6 to 9, it is characterized in that described terminal is large bandwidth system terminal or little bandwidth system terminal.
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| CN2008101312471A CN101640890B (en) | 2008-08-01 | 2008-08-01 | Broadcast channel allocation method and information reading method for wide bandwidth system |
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| CN2008101312471A CN101640890B (en) | 2008-08-01 | 2008-08-01 | Broadcast channel allocation method and information reading method for wide bandwidth system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102246581A (en) * | 2011-04-18 | 2011-11-16 | 华为技术有限公司 | Arrangement and transportation method on downlink carrier wave |
| CN103959826A (en) * | 2011-04-29 | 2014-07-30 | 华为技术有限公司 | Method and system for transmission and reception of signals and related method of signaling |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110659B (en) * | 2006-07-17 | 2011-12-07 | 华为技术有限公司 | Method for distributing subdistrict frequency band and network appliance thereof |
| CN101626577B (en) * | 2008-07-11 | 2011-11-16 | 展讯通信（上海）有限公司 | Extended network equipment and extended terminal equipment |
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2008
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102246581A (en) * | 2011-04-18 | 2011-11-16 | 华为技术有限公司 | Arrangement and transportation method on downlink carrier wave |
| WO2012142741A1 (en) * | 2011-04-18 | 2012-10-26 | Huawei Technologies Co., Ltd. | Method for arranging transmissions on a downlink carrier |
| CN102246581B (en) * | 2011-04-18 | 2013-10-09 | 华为技术有限公司 | Arrangement and transportation method on downlink carrier wave |
| US9432995B2 (en) | 2011-04-18 | 2016-08-30 | Huawei Technologies Co., Ltd. | Method for arranging transmissions on a downlink carrier |
| US10154494B2 (en) | 2011-04-18 | 2018-12-11 | Huawei Technologies Co., Ltd. | Method for arranging transmissions on a downlink carrier |
| US10750505B2 (en) | 2011-04-18 | 2020-08-18 | Huawei Technologies Co., Ltd. | Method for arranging transmissions on a downlink carrier |
| CN103959826A (en) * | 2011-04-29 | 2014-07-30 | 华为技术有限公司 | Method and system for transmission and reception of signals and related method of signaling |
| CN103959826B (en) * | 2011-04-29 | 2017-10-17 | 华为技术有限公司 | Signal is transmitted and the method and system and related sending method received |
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| CN101640890B (en) | 2012-04-04 |
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Application publication date: 20100203 Assignee: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Assignor: ZTE Corporation Contract record no.: 2015440020319 Denomination of invention: Broadcast channel allocation method and information reading method for wide bandwidth system Granted publication date: 20120404 License type: Common License Record date: 20151123 |
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