CN101483914A - Method for transmitting user data by discrete multi-carrier - Google Patents
Method for transmitting user data by discrete multi-carrier Download PDFInfo
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- CN101483914A CN101483914A CNA2008100018461A CN200810001846A CN101483914A CN 101483914 A CN101483914 A CN 101483914A CN A2008100018461 A CNA2008100018461 A CN A2008100018461A CN 200810001846 A CN200810001846 A CN 200810001846A CN 101483914 A CN101483914 A CN 101483914A
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Abstract
The invention discloses a method for transmitting user data by using discontinuous multi-carrier which includes steps as follows: (1) a base station establishes respective dependent physical channel on the discontinuous multi-carrier, and realizes that single logic channel of a media access control layer manages the physical channel on discontinuous multi-carrier through a channel reflection layer; (2) the base station and the mobile station process ability arrange for confirming ability for supporting discontinuous multi-carrier channel; (3) the base station and the mobile station for supporting discontinuous multi-carrier channel transmit upper-down going data through the confirmed discontinuous multi-carrier channel in an upper-down going chain circuit. The method can increase transmitting rate of user's peak data and enlarge thruput.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of method of utilizing the discrete multi-carrier transmitting user data.
Background technology
At present, wireless network is increasing to the demand of data volume, next-generation technology Long Term Evolution (LongTerm Evolution, LTE), CDMA next-generation technology UMB (Ultra Mobile Broadband, super mobile broadband) and mobile WiMAX mobile communication system such as (Worldwide Interoperability for MicrowaveAccess, micro-wave access global inter communications) peak data rate and throughput are had higher requirement.
Wide-band communication system of future generation requires to realize higher peak data rate and bigger throughput, for realizing this requirement, requires the availability of frequency spectrum of raising system on the one hand, requires system to adopt bigger bandwidth on the other hand.Yet in actual applications, the division of wireless frequency spectrum is that strict regulation is arranged, and frequency spectrum resource needs the unified distribution through Wireless Management Committee especially.Because operator has got the partial frequency spectrum resource in original wireless communication system, in the process of wireless communication system upgrading, differ additional allocation surely of operator satisfies the requirement of next generation communication system to new enough big continuous spectral bandwidth, but on the basis of original frequency spectrum resource, distribute in addition to obtain some adjacent or discrete frequency spectrum resources.At this moment, for the requirement of the high data rate of realizing wide-band mobile communication system of future generation, the user in the mobile communication system must be simultaneously in the enterprising line data transmission of a plurality of discrete bandwidth.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method of utilizing the discrete multi-carrier transmitting user data, problem so that the user who solves in the mobile communication system is transmitted at the enterprising line data of a plurality of discrete bandwidth simultaneously realizes the requirement of the high data rate of wide-band mobile communication system of future generation.
In order to solve the problems of the technologies described above, the invention provides a kind of method of utilizing the discrete multi-carrier transmitting user data, comprise the steps:
(1) independently physical channel is set up separately in the base station on a plurality of discrete carrier waves, and realizes that by the channel Mapping layer the single logic channel of MAC layer (media access control layer) manages the physical channel on described a plurality of discontinuous carriers;
(2) described base station and travelling carriage carry out capability negotiation, determine to support the ability of a plurality of discontinuous carrier channels;
(3), transmit the up-downgoing data simultaneously by described definite a plurality of discrete carrier channel between the travelling carriage of described base station and a plurality of discontinuous carrier channels of described support at uplink downlink.
The method of the invention, wherein, step (2) comprises the steps:
(2.1) capability negotiation is carried out in described mobile platform started registration back and described base station, and the discontinuous multicarrier physical channel situation that described travelling carriage will be supported sends to described base station;
(2.2) this base station situation of the discontinuous multicarrier physical channel of configuration is at present fed back to described travelling carriage in described base station, and notifies described travelling carriage with the type information that puts in order of user data on a plurality of described discontinuous carrier channels.
Further, in the step (2.2), increase the order that the bag sequence number is come identification data packet as packet sequence or on data packet head with the order of carrier channel for the data arrangement ordinal type of the different carrier channel that mails to same travelling carriage.
The method of the invention, wherein, in the step (3), for down link, this step further comprises:
(3.1) base station dispatcher is supported the classification of discontinuous multiple carrier channel ability according to different mobile stations, and the mobile station data of different tenabilities is dispatched on different classes of scheduling queue;
(3.2) to mailing to the data on a plurality of discontinuous carrier physical channels of same travelling carriage, need the order of these data be identified;
(3.3) travelling carriage of the discontinuous multiple carrier channel of described support is when receiving subscriber data, data on the difference demodulation different carrier physical channel, at described MAC layer, order according to each carrier channel packet, data on the different carrier are made up, obtain the data that described travelling carriage is issued in described base station.
Further, in the step (3.1),
Described travelling carriage supports the type of discontinuous multiple carrier channel to be divided into: only support one of a plurality of discontinuous carrier channels, support a plurality of discontinuous carrier channels;
Described scheduling queue classification comprises: the scheduling queue of the scheduling queue of the physical channel of corresponding single carrier wave and corresponding discontinuous multicarrier physical channel only.
Further, in the step (3.2),
If as packet sequence, described base station dispatcher is assigned to the data on the scheduling queue of discontinuous multicarrier physical channel successively on each physical channel according to the order of a plurality of discontinuous carriers and sends with the order of carrier channel;
If come the order of identification data packet to wrap sequence number, then described base station dispatcher need be to increasing bag sequence number sign in the header packet information of the packet that is assigned to each carrier wave physical channel.
The method of the invention, wherein, in the step (3), for up link, this step further comprises:
(a) described base station sends uplink resource allocation message on each carrier channel to each travelling carriage;
(b) described each travelling carriage sends data to described base station according to the indication of described uplink resource allocation message on the up channel of corresponding a plurality of discrete carrier waves;
(c) described base station data on the demodulation different carrier physical channel respectively make up the data of the reception on the described different carrier, obtain the data that each travelling carriage is issued described base station.
By method of the present invention, by single MAC (media access control layer) logic channel the physical channel on a plurality of discontinuous carriers is managed, a plurality of discrete multi-carriers are carried out channel bonding, thereby allow respectively to support that the user of multicarrier sends data simultaneously on these discrete multi-carriers, can improve user's peak-data transmission rate, increase the throughput of system.
Description of drawings
Fig. 1 is a kind of method exemplary plot of utilizing discontinuous multi-carrier resource transmitting user data of application example of the present invention;
Fig. 2 is the exemplary plot that a kind of method of utilizing discontinuous multi-carrier resource transmitting user data of application example of the present invention is bound many physical channels;
Fig. 3 is a kind of method flow diagram that utilizes discontinuous multi-carrier resource transmitting user data of application example of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in detail.
Being example based on the multimode broadband cellular wireless communication system of OFDMA (orthogonal frequency division multiplexing multiple access access).
As shown in Figure 1, be a kind of method exemplary plot of utilizing discontinuous multi-carrier resource transmitting user data of application example of the present invention.Support the user data of discontinuous multicarrier data can dispatch on the Radio Resource of the physical channel of different carrier.Among the figure (wherein, control channel transfer system parameter message, coded modulation information and indexed resource piece assignment information etc.), each 5M bandwidth on carrier wave 1 and the carrier wave 2 is supported in the base station, the base station dispatcher formation is according to the difference of supporting carrier wave, be divided into the scheduling queue of only supporting carrier wave 1, only support the scheduling queue of carrier wave 2 and the scheduling queue of support multicarrier (supporting carrier wave 1 and carrier wave 2 simultaneously).Only support carrier wave 1 and only support the data in the scheduling queue of carrier wave 2 can only be assigned to respectively on the running time-frequency resource of carrier wave 1 or carrier wave 2.And support that the user data on the scheduling queue of multicarrier can be according to the situation of loading on the requirement of user QoS (service quality) and the different carrier, with scheduling user data on the running time-frequency resource of carrier wave 1 and carrier wave 2.Travelling carriage is supported carrier wave 1 and 2 two discrete carrier resources of carrier wave, so the user data of travelling carriage can walk abreast scheduling simultaneously on the running time-frequency resource of carrier wave 1 and carrier wave 2.
As shown in Figure 2, be the exemplary plot that a kind of method of utilizing discontinuous multi-carrier resource transmitting user data of application example of the present invention is bound many physical channels.Among Fig. 2, convergence sub-layer (Convergence Sublayer) major function is to be responsible for Medium Access Control (MAC) Service Data Unit (SDU) is changed and be mapped to its external network data of receiving, and be delivered to the MAC layer, specifically comprise external network data SDU is carried out classification, and be mapped on suitable the MAC Business Stream and connection identifier (CID.Between physical layer and MAC layer, introduce the channel Mapping layer, independently physical channel is set up separately in the base station on a plurality of discontinuous carrier waves 1, carrier wave 2 and carrier wave 3, realize the management of the single logic channel of MAC layer to the physical channel on carrier wave 1, carrier wave 2 and the carrier wave 3 by the channel Mapping layer.
As shown in Figure 3, a kind of method flow diagram that utilizes discontinuous multi-carrier resource transmitting user data of application example of the present invention comprises the steps:
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1, a kind of method of utilizing the discrete multi-carrier transmitting user data is characterized in that, comprises the steps:
(1) independently physical channel is set up separately in the base station on a plurality of discrete carrier waves, and realizes that by the channel Mapping layer the single logic channel of media access control layer manages the physical channel on described a plurality of discontinuous carriers;
(2) described base station and travelling carriage carry out capability negotiation, determine to support the ability of a plurality of discontinuous carrier channels;
(3), transmit the up-downgoing data simultaneously by described definite a plurality of discrete carrier channel between the travelling carriage of described base station and a plurality of discontinuous carrier channels of described support at uplink downlink.
2, method according to claim 1 is characterized in that step (2) comprises the steps:
(2.1) capability negotiation is carried out in described mobile platform started registration back and described base station, and the discontinuous multicarrier physical channel situation that described travelling carriage will be supported sends to described base station;
(2.2) this base station situation of the discontinuous multicarrier physical channel of configuration is at present fed back to described travelling carriage in described base station, and notifies described travelling carriage with the type information that puts in order of user data on a plurality of described discontinuous carrier channels.
3, as method as described in the claim 2, it is characterized in that, in the step (2.2), increase the order that the bag sequence number is come identification data packet as packet sequence or on data packet head with the order of carrier channel for the data arrangement ordinal type of the different carrier channel that mails to same travelling carriage.
4, method according to claim 1 is characterized in that in the step (3), for down link, this step further comprises:
(3.1) base station dispatcher is supported the classification of discontinuous multiple carrier channel ability according to different mobile stations, and the mobile station data of different tenabilities is dispatched on different classes of scheduling queue;
(3.2) to mailing to the data on a plurality of discontinuous carrier physical channels of same travelling carriage, need the order of these data be identified;
(3.3) travelling carriage of the discontinuous multiple carrier channel of described support is when receiving subscriber data, data on the difference demodulation different carrier physical channel, at described media access control layer, order according to each carrier channel packet, data on the different carrier are made up, obtain the data that described travelling carriage is issued in described base station.
5, as method as described in the claim 4, it is characterized in that, in the step (3.1),
Described travelling carriage supports the type of discontinuous multiple carrier channel to be divided into: only support one of a plurality of discontinuous carrier channels, support a plurality of discontinuous carrier channels;
Described scheduling queue classification comprises: the scheduling queue of the scheduling queue of the physical channel of corresponding single carrier wave and corresponding discontinuous multicarrier physical channel only.
6, as method as described in the claim 4, it is characterized in that, in the step (3.2),
If as packet sequence, described base station dispatcher is assigned to the data on the scheduling queue of discontinuous multicarrier physical channel successively on each physical channel according to the order of a plurality of discontinuous carriers and sends with the order of carrier channel;
If come the order of identification data packet to wrap sequence number, then described base station dispatcher need be to increasing bag sequence number sign in the header packet information of the packet that is assigned to each carrier wave physical channel.
7, method according to claim 1 is characterized in that in the step (3), for up link, this step further comprises:
(a) described base station sends uplink resource allocation message on each carrier channel to each travelling carriage;
(b) described each travelling carriage sends data to described base station according to the indication of described uplink resource allocation message on the up channel of corresponding a plurality of discrete carrier waves;
(c) described base station data on the demodulation different carrier physical channel respectively make up the data of the reception on the described different carrier, obtain the data that each travelling carriage is issued described base station.
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| CN2008100018461A CN101483914B (en) | 2008-01-11 | 2008-01-11 | Method for transmitting user data by discrete multi-carrier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011082533A1 (en) * | 2010-01-08 | 2011-07-14 | 上海贝尔股份有限公司 | Multi-carrier communication method |
| WO2012041223A3 (en) * | 2010-09-28 | 2012-11-01 | 华为技术有限公司 | Method and system for data transmission |
| WO2012163145A1 (en) * | 2011-05-30 | 2012-12-06 | 中国移动通信集团公司 | Carrier scheduling method, apparatus and related device |
| CN102165799B (en) * | 2008-09-30 | 2014-12-10 | 熵敏通讯股份有限公司 | Data transmission over a network with channel bonding |
| CN106998591A (en) * | 2016-01-24 | 2017-08-01 | 上海朗帛通信技术有限公司 | A kind of dispatching method and device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103404216B (en) | 2011-01-11 | 2018-08-17 | 诺基亚通信公司 | The method and apparatus of non-adjacent carrier signalling in multi-carrier broadband wireless system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100454930B1 (en) * | 1998-08-17 | 2005-01-13 | 삼성전자주식회사 | Apparatus and method for multiplexing physical channel in cdma communication system |
| US7672381B1 (en) * | 2000-10-17 | 2010-03-02 | Motorola, Inc. | Method of multiple-carrier communication within a noncontiguous wideband spectrum and apparatus therefor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102165799B (en) * | 2008-09-30 | 2014-12-10 | 熵敏通讯股份有限公司 | Data transmission over a network with channel bonding |
| WO2011082533A1 (en) * | 2010-01-08 | 2011-07-14 | 上海贝尔股份有限公司 | Multi-carrier communication method |
| CN102652451A (en) * | 2010-01-08 | 2012-08-29 | 上海贝尔股份有限公司 | Multi-carrier communication method |
| CN102652451B (en) * | 2010-01-08 | 2014-06-18 | 上海贝尔股份有限公司 | Multi-carrier communication method |
| WO2012041223A3 (en) * | 2010-09-28 | 2012-11-01 | 华为技术有限公司 | Method and system for data transmission |
| WO2012163145A1 (en) * | 2011-05-30 | 2012-12-06 | 中国移动通信集团公司 | Carrier scheduling method, apparatus and related device |
| CN106998591A (en) * | 2016-01-24 | 2017-08-01 | 上海朗帛通信技术有限公司 | A kind of dispatching method and device |
| US10506624B2 (en) | 2016-01-24 | 2019-12-10 | Shanghai Langbo Communication Technology Company Limited | Scheduling method and device in UE and base station |
| US11224061B2 (en) | 2016-01-24 | 2022-01-11 | Shanghai Langbo Communication Technology Company Limited | Scheduling method and device in UE and base station for supporting narrow band transmission |
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| CN101483914B (en) | 2010-12-08 |
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