CN103260148A - Method and device for distinguishing users in narrow-band system - Google Patents

Method and device for distinguishing users in narrow-band system Download PDF

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Publication number
CN103260148A
CN103260148A CN2012100408416A CN201210040841A CN103260148A CN 103260148 A CN103260148 A CN 103260148A CN 2012100408416 A CN2012100408416 A CN 2012100408416A CN 201210040841 A CN201210040841 A CN 201210040841A CN 103260148 A CN103260148 A CN 103260148A
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frequency
user
rnti
sign
length
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CN103260148B (en
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刘建明
陶雄强
李祥珍
邢益海
闫淑辉
胡炜
徐宏
祝锋
邓晓晖
陈永
冯世英
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Potevio Information Technology Co Ltd
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Potevio Institute of Technology Co Ltd
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Abstract

The invention provides a method for distinguishing users in a narrow-band system. The method for distinguishing the users in the narrow-band system comprises the following steps of determining a frequency point used for dispatching a user before user data are transmitted, distributing an only radio network temporary identity (RNTI) to the user in the frequency point, and using combination of frequency point identifications and RNTIs to distinguish users. The method for distinguishing the users in the narrow-band system can greatly improve efficiency and reliability of data transmission.

Description

Distinguish user's method and device in a kind of narrowband systems
Technical field
The present invention relates to the mobile communication technology field, particularly distinguish user's method and device in a kind of narrowband systems.
Background technology
At present the 230MHz frequency range is mainly used in data radio station and bears long-range data collection task, can only be used for some simple communications applications because the speed that provides is very low, can't satisfy intelligent grid and the growing business demand of sensing net.According to the national grid planning in future, require to seek a kind of new broadband connections technology, satisfy the business demand in its distribution automation, load management, power information collection, intelligent grid user service, emergency first-aid repair, special area video monitoring six big fields.
For the data transmission service of two-forty is provided in the 230MHz frequency range, the applicant combines OFDM (OFDM) with carrier aggregation and frequency spectrum perception technology, a kind of low-power consumption is provided, high spectrum utilization, the multi-business communication system flexibly of high reliability, can farthest satisfy the business need of power load monitoring system, solid technological accumulation is provided and use demonstration for the planning of national grid next generation network simultaneously.
In view of the discrete characteristic of national grid frequency range, be bunch (or a carrier wave) with continuous relatively spectrum division, contain the frequency that a plurality of bandwidth are 25kHz in each bunch, frequency be frequency domain continuously and be the least unit of frequency domain resource scheduling distribution.For improving data transmission efficiency, be that Radio Network Temporary Identifier (RNTI) is divided on the basis with the frequency.According to the description of 3GPP agreement, be that RNTI is divided on the basis with the residential quarter, the length of RNTI is 16bits.When adopting the RNTI distribution method of 3GPP protocol description in the narrowband systems that disperses at frequency spectrum, RNTI can take considerable time-frequency domain resources, causes data transmission efficiency not high; Simultaneously also can take a large amount of memory space of equipment, reduce data-handling efficiency.
Summary of the invention
The invention provides method and the device of distinguishing the user in a kind of narrowband systems, can greatly improve data transmission efficiency and reliability.
The embodiment of the invention proposes to distinguish in a kind of narrowband systems user's method, comprises the steps:
Before transmitting user data, be identified for dispatching this user's a frequency;
At described user, in described frequency, distribute unique Radio Network Temporary Identifier RNTI; Use the combination of frequency sign and RNTI to distinguish the user in the residential quarter.
Preferably, the bandwidth span of described frequency is 20kHz to 50kHz.
Preferably, the bandwidth of described frequency is 25kHz.
Preferably, the length range of described frequency sign is 4 bit to 8 bits.
Preferably, the length of described frequency sign is 6 bits.
Preferably, the length of described RNTI is 4 bit to 8 bits.
Preferably, the length of described RNTI is 6 bits.
Preferably, described narrowband systems is 230 data radio station systems.
The embodiment of the invention also provides the device of distinguishing the user in a kind of narrowband systems, and the user distinguishes by the combination of using frequency sign and RNTI in the residential quarter; Described device comprises:
The frequency determination module is used for being identified for dispatching this user's a frequency before transmitting user data;
The sign distribution module is used at described user, distributes unique Radio Network Temporary Identifier RNTI in described frequency;
As can be seen from the above technical solutions, in the discrete narrowband systems of frequency spectrum, in the residential quarter, be that RNTI is distributed on the basis with the frequency, RNTI is unique in frequency; Use the compound mode of frequency ID, RNTI to distinguish the user in the residential quarter.Like this, the time-frequency domain resources that the transfer of data of eating dishes without rice or wine takies has been saved in significantly reducing of RNTI length, improves data transmission efficiency and reliability; The Device memory that takies simultaneously is few, has improved the device data treatment effeciency.
Description of drawings
Fig. 1 comprises three bunches cell spectrum distribution map;
Fig. 2 is the frequency structural representation;
Distinguish user's method flow diagram in the narrowband systems that Fig. 3 provides for the embodiment of the invention.
Embodiment
Basic thought of the present invention is: only scheduling in single-frequency point of user data transmission, and RNTI is unique in frequency; Use frequency sign and the combination of RNTI that the user in the residential quarter is distinguished.Because the RNTI number in the same frequency is little much with respect to the RNTI number of a residential quarter, so the length of RNTI can shorten greatly.Thereby reduce the complexity of scheduling, improve the simple and direct property that realizes.
For example, in the discrete narrowband systems of a frequency spectrum, total total P (P 〉=1) is individual discrete bunch in residential quarter, contains the individual frequency of Q (Q 〉=1) in each bunch, then has the individual frequency of N (N=P*Q) in the residential quarter.
Containing three discrete bunch frequency ranges with a residential quarter is that example describes.Fig. 1 is the described cell spectrum distribution map that comprises three bunches.Three discrete frequency ranges are distributed in 223.025～228.000MHz, 228.025～230.000MHz and 230.025～235.000MHz respectively, 15,10 and 15 frequencies (bandwidth of frequency is 25kHz) are respectively arranged in three bunches, totally 40 frequencies, the length of frequency sign is 6bits.
There are 8 SR resources to be used for sending the SR request in each uplink pilot time slot (UpPTS) of frequency.Interference for fear of the minizone, per 8 radio frames (radio frames length is 25ms) have only a UpPTS to carry out the SR transmission, 40 SR resources are arranged in the per second like this, wherein (3 load control users respectively account for two SR resources to 36 SR resources for user's scheduling, 1 SR resource is used for interim fast frequency point to be switched, and 1 SR resource is used for the transmission of uplink synchronizing signals).
As shown in Figure 2, when the scheduling time delay was 1s, each frequency can insert 36 users, and then the length of RNTI can be set to 6bits, and the user that can satisfy in the frequency distinguishes demand; User ID in the residential quarter is used the compound mode sign of frequency sign+RNTI, 12bits altogether.Minimizing owing to RNTI length when sending idle message has been saved the time-frequency domain resources of eating dishes without rice or wine, the data transmission efficiency height; The Device memory that takies simultaneously is few, has improved the device data treatment effeciency.
Figure 3 shows that the method for distinguishing the user in the narrowband systems that the embodiment of the invention provides, comprise the steps:
Step 301: before transmitting user data, be identified for dispatching this user's a frequency;
Step 302: at described user, in described frequency, distribute unique Radio Network Temporary Identifier RNTI; Use the combination of frequency sign and RNTI to distinguish the user in the residential quarter.
The embodiment of the invention also provides the device of distinguishing the user in a kind of narrowband systems, and the user distinguishes by the combination of using frequency sign and RNTI in the residential quarter; Described device comprises:
The frequency determination module is used for being identified for dispatching this user's a frequency before transmitting user data;
The sign distribution module is used at described user, distributes unique Radio Network Temporary Identifier RNTI in described frequency;
Preferably, the bandwidth span of described frequency is 20kHz to 50kHz.In the present embodiment, the frequency bandwidth is 25kHz.
Preferably, the length range of described frequency sign is 4 bit to 8 bits.In the present embodiment, the length of frequency sign is 6 bits.
Preferably, the length range of described RNTI is 4 bit to 8 bits.In the present embodiment, the length of RNTI is 6 bits.
Above embodiment is example with 230 data radio stations and OFDM technology only, and those skilled in the art should know, and the present invention program can be applied to the communication system of other wireless technologys equally.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.

Claims (9)

1. distinguish user's method in the narrowband systems, it is characterized in that, comprise the steps:
Before transmitting user data, be identified for dispatching this user's a frequency;
At described user, in described frequency, distribute unique Radio Network Temporary Identifier RNTI; Use the combination of frequency sign and RNTI to distinguish the user in the residential quarter.
2. method according to claim 1 is characterized in that, the bandwidth span of described frequency is 20kHz to 50kHz.
3. method according to claim 1 is characterized in that, the bandwidth of described frequency is 25kHz.
4. method according to claim 1 is characterized in that, the length range of described frequency sign is 4 bit to 8 bits.
5. method according to claim 1 is characterized in that, the length of described frequency sign is 6 bits.
6. method according to claim 1 is characterized in that, the length of described RNTI is 4 bit to 8 bits.
7. method according to claim 1 is characterized in that, the length of described RNTI is 6 bits.
8. according to each described method of claim 1 to 4, described narrowband systems is 230 data radio station systems.
9. distinguish user's device in the narrowband systems, it is characterized in that, the user distinguishes by the combination of using frequency sign and RNTI in the residential quarter; Described device comprises:
The frequency determination module is used for being identified for dispatching this user's a frequency before transmitting user data;
The sign distribution module is used at described user, distributes unique Radio Network Temporary Identifier RNTI in described frequency.
CN201210040841.6A 2012-02-21 2012-02-21 A kind of narrowband systems is distinguished the method and device of user Active CN103260148B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107018574A (en) * 2017-04-28 2017-08-04 国网浙江省电力公司宁波供电公司 A kind of SR channels of communication system
CN109729585A (en) * 2017-10-27 2019-05-07 成都鼎桥通信技术有限公司 Network processing method and device

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Publication number Priority date Publication date Assignee Title
WO2006118158A1 (en) * 2005-04-27 2006-11-09 Matsushita Electric Industrial Co., Ltd. Base station apparatus, communication terminal apparatus and communication method
CN102149084A (en) * 2010-02-09 2011-08-10 中兴通讯股份有限公司 Method and system for identifying M2M (machine-to-machine) terminal

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2006118158A1 (en) * 2005-04-27 2006-11-09 Matsushita Electric Industrial Co., Ltd. Base station apparatus, communication terminal apparatus and communication method
CN102149084A (en) * 2010-02-09 2011-08-10 中兴通讯股份有限公司 Method and system for identifying M2M (machine-to-machine) terminal

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107018574A (en) * 2017-04-28 2017-08-04 国网浙江省电力公司宁波供电公司 A kind of SR channels of communication system
CN107018574B (en) * 2017-04-28 2020-12-25 国网浙江省电力公司宁波供电公司 SR channel of communication system
CN109729585A (en) * 2017-10-27 2019-05-07 成都鼎桥通信技术有限公司 Network processing method and device
CN109729585B (en) * 2017-10-27 2022-04-15 成都鼎桥通信技术有限公司 Network processing method and device

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