CN103517429A - Data transmission method, narrowband terminal, and base station - Google Patents
Data transmission method, narrowband terminal, and base station Download PDFInfo
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- CN103517429A CN103517429A CN201210216242.5A CN201210216242A CN103517429A CN 103517429 A CN103517429 A CN 103517429A CN 201210216242 A CN201210216242 A CN 201210216242A CN 103517429 A CN103517429 A CN 103517429A
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Abstract
Provided in the embodiments of the present invention are a data transmission method, a narrowband terminal and a base station. On the one hand, in the embodiments of the present invention, the narrowband terminal is used for acquiring resource instruction information, wherein the resource instruction information is used for instructing the base station to allocate for the narrowband terminal a resource on a sub-band that can be supported by the narrowband terminal, the sub-band is a part of a system broadband that can be supported by an ordinary terminal, and the power consumption of the narrowband terminal is less than that of the ordinary terminal; and furthermore, on the basis of the resource instruction information, the sub-band and the resource on the sub-band can be determined. This allows the narrowband terminal to utilize the resource on the sub-band to transmit data with the base station on the sub-band, thus implementing, when the narrowband terminal has multiple sub-bands available, scheduling of the narrowband terminal to transmit data on at least some of the sub-bands, and solving the problem in the prior art that the base station is incapable at the current sub-band of scheduling the narrowband terminal to transmit data on other sub-bands.
Description
Technical field
The application relates to the communication technology, relates in particular to data transmission method and narrowband terminal, base station.
Background technology
At wireless communication system as Long Term Evolution (Long Term Evolution, LTE) system and advanced Long Term Evolution (Long Term Evolution Advanced, LTE-A) in system, the a fairly large number of mechanical type communication of support terminal (Machine Type Communications, while MTC) applying, for reducing the cost of MTC terminal, can stipulate that described MTC terminal can only carry out signaling or data processing in less bandwidth (being a subband in system broad), therefore described MTC terminal can be referred to as narrowband terminal.Prior art Zhong， base station can send resource indication information to narrowband terminal by control channel, in order to dispatch described narrowband terminal, at current subband, carries out transfer of data.
Yet when narrowband terminal exists a plurality of subbands, how dispatching narrowband terminal at least part of subband transmission data therein just becomes a problem.
Summary of the invention
The application's many aspects provide data transmission method and narrowband terminal, base station, in order to realize, have a plurality of subbands, scheduling narrowband terminal at least part of subband transmission data therein when narrowband terminal.
The application's one side, provides a kind of data transmission method, comprising:
Narrowband terminal obtains resource indication information, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Described narrowband terminal, according to described resource indication information, is determined the resource on described subband and described subband;
Described narrowband terminal, on described subband, is utilized the resource on described subband, with described base-station transmission data.
The application on the other hand, provides a kind of data transmission method, comprising:
Base station is that narrowband terminal is distributed the resource on the subband that described narrowband terminal can support, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Described base station sends resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband;
Described base station, on described subband, utilizes the resource on described subband, with described narrowband terminal transmission data.
The application on the other hand, provides a kind of narrowband terminal, comprising:
Obtain unit, be used for obtaining resource indication information, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Determining unit, for according to described resource indication information, determines the resource on described subband and described subband;
Transmission unit, at described subband, utilizes the resource on described subband, with described base-station transmission data.
The application on the other hand, provides a kind of base station, comprising:
Allocation units, are used to narrowband terminal to distribute the resource on the subband that described narrowband terminal can support, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Transmission unit, for sending resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband, and on described subband, utilizes the resource on described subband, with described narrowband terminal transmission data.
On the one hand, as shown from the above technical solution, the embodiment of the present application obtains resource indication information by narrowband terminal, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal, and then according to described resource indication information, determine the resource on described subband and described subband, make the described narrowband terminal can be on described subband, utilize the resource on described subband, with described base-station transmission data, thereby realized, there are a plurality of subbands when narrowband terminal, scheduling narrowband terminal at least part of subband transmission data therein, having solved in prior art base station cannot dispatch narrowband terminal at current subband and at other subbands, carry out the problem of transfer of data.
On the other hand, from technique scheme also, the embodiment of the present application is that narrowband terminal is distributed the resource on the subband that described narrowband terminal can support by base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal, and then send resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband, make the described base station can be on described subband, utilize the resource on described subband, with described narrowband terminal transmission data, thereby realized, there are a plurality of subbands when narrowband terminal, scheduling narrowband terminal at least part of subband transmission data therein, having solved in prior art base station cannot dispatch narrowband terminal at current subband and at other subbands, carry out the problem of transfer of data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the data transmission method that Fig. 1 provides for the application one embodiment;
The schematic flow sheet of the data transmission method that Fig. 2 provides for another embodiment of the application;
The structural representation of the narrowband terminal that Fig. 3 provides for another embodiment of the application;
The structural representation of the base station that Fig. 4 provides for another embodiment of the application.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present application clearer, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Technical scheme of the present invention, can be applied to the wireless communication systems such as LTE system or LTE-A system.Narrowband terminal wherein can be the subscriber equipment in LTE system or LTE-A system (User Equipment, UE); Base station wherein can be the eNB in LTE system or LTE-A system.
The schematic flow sheet of the data transmission method that Fig. 1 provides for the application one embodiment, as shown in Figure 1.
101, narrowband terminal obtains resource indication information, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal.
102, described narrowband terminal, according to described resource indication information, is determined the resource on described subband and described subband.
103, described narrowband terminal, on described subband, is utilized the resource on described subband, with described base-station transmission data.
Particularly, described resource indication information can include but not limited to:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on described subband; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
Alternatively, in one of the present embodiment possible implementation, in 101, described narrowband terminal specifically can obtain described sub-band information, and receives the described first resource assignment information that described base station sends by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information can be included in Downlink Control Information (Downlink Control Information, DCI) in the existing field in, for example, carrier wave indication territory (Carrier Indicator Field, CIF) field and/or resource block assignments (Resource block Assignment, RA) field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, in 101, described narrowband terminal specifically can receive the described sub-band information that described base station sends by high-level signaling, and the described first resource assignment information sending by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
For example, described high-level signaling can be that Radio Resource is controlled (Radio Resource Control, RRC) message, specifically can be by information element (the Information Element in RRC message, IE) carry described sub-band information, described RRC message can be RRC message of the prior art, for example, (RRC CONNECTION RECONFIGURATION) message etc. is reshuffled in RRC connection, the present embodiment does not limit this, by the IE of existing RRC message is expanded and carries described sub-band information, or described RRC message also can be for being different from existing RRC message in prior art.
Again for example, described high-level signaling can be that (Media Access Control, MAC) control element (Control Element, CE) message is controlled in media interviews, specifically can also carry described sub-band information by increasing new MAC CE message.
Be understandable that, after the high-level signaling that relates in embodiment can adopt above-mentioned understanding mode.
Alternatively, described base station can also not send described sub-band information by high-level signaling to described terminal, and described narrowband terminal can also be according to the described sub-band information of pre-configured acquisition, and for example, agreement is arranged.
Alternatively, in one of the present embodiment possible implementation, in 101, described narrowband terminal specifically can receive described sub-band information and the described first resource assignment information that described base station sends by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described sub-band information and described first resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described sub-band information and described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, in 101, described narrowband terminal specifically can receive the described Secondary resource assignment information that described base station sends by control channel.Particularly, described Secondary resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described Secondary resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Wherein, described control channel is specifically as follows the Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel, ePDCCH) of enhancing.
Be understandable that, base station is that the subband that the described narrowband terminal of described narrowband terminal distribution can be supported can overlap for the subband with described control channel mapping or whole overlapping subband; Or can also be for not overlapping with the subband of described control channel mapping, the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, before 101, described narrowband terminal can also further receive the first indication information that described base station sends, whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-band information comprising in described resource indication information according to described the first indication information.
Particularly, described narrowband terminal specifically can receive the first indication information that described base station sends by high-level signaling.
Alternatively, in one of the present embodiment possible implementation, in 101, in the described resource indication information that described narrowband terminal receives, can also further comprise sub-frame information; Correspondingly, in 103, described narrowband terminal specifically can be in the indicated subframe of described sub-frame information, on described subband, utilize the resource on described subband, with described base-station transmission data, described subframe comprises the subframe after current subframe or current subframe.
Particularly, before 101, described narrowband terminal can also further send buffer memory ability or the service delay requirement of described narrowband terminal to described base station, so that described subframe according to the buffer memory ability of described narrowband terminal or service delay requirement, is determined in described base station, be described current subframe or described current subframe subframe afterwards.
For example, if the buffer memory ability of described narrowband terminal is stronger, all OFDMs (Orthogonal Frequency Division Multiplexing of a subframe of the capable storage of described narrowband terminal is described, OFDM) symbol, described base station can determine that the indicated subframe of described sub-frame information is described current subframe; If the buffer memory ability of described narrowband terminal is poor, illustrate that described narrowband terminal does not have all OFDM symbols of a subframe of ability storage, described base station can determine that the indicated subframe of described sub-frame information is described current subframe subframe afterwards, thereby make narrowband terminal can not need all OFDM symbols of the subframe after current subframe described in buffer memory, can effectively reduce the cost of described narrowband terminal.
Alternatively, before 101, described narrowband terminal can also further receive the second indication information that described base station sends, whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-frame information comprising in described resource indication information according to described the second indication information.
Particularly, described narrowband terminal specifically can receive the second indication information that described base station sends by high-level signaling.
In the present embodiment, by narrowband terminal, obtain resource indication information, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal, and then according to described resource indication information, determine the resource on described subband and described subband, make the described narrowband terminal can be on described subband, utilize the resource on described subband, with described base-station transmission data, thereby realized, there are a plurality of subbands when narrowband terminal, scheduling narrowband terminal at least part of subband transmission data therein, having solved in prior art base station cannot dispatch narrowband terminal at current subband and at other subbands, carry out the problem of transfer of data.
The schematic flow sheet of the data transmission method that Fig. 2 provides for another embodiment of the application, as shown in Figure 2.
201, base station is that narrowband terminal is distributed the resource on the subband that described narrowband terminal can support, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal.
202, described base station sends resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband.
203, described base station, on described subband, utilizes the resource on described subband, with described narrowband terminal transmission data.
Particularly, described resource indication information can include but not limited to:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on described subband; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
Alternatively, in one of the present embodiment possible implementation, in 202, described base station specifically can send described first resource assignment information to described narrowband terminal by control channel, so that described narrowband terminal is according to sub-band information, and described first resource assignment information is determined the resource on described subband and described subband.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information for example can be included in, in the existing field in Downlink Control Information (Downlink Control Information, DCI),, carrier wave indication territory (Carrier Indicator Field, CIF) field and/or RA field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, in 202, described base station specifically can send described sub-band information to described narrowband terminal by high-level signaling, and to described narrowband terminal, sends described first resource assignment information by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
For example, described high-level signaling can be that Radio Resource is controlled (Radio Resource Control, RRC) message, specifically can be by information element (the Information Element in RRC message, IE) carry described sub-band information, described RRC message can be RRC message of the prior art, for example, (RRC CONNECTION RECONFIGURATION) message etc. is reshuffled in RRC connection, the present embodiment does not limit this, by the IE of existing RRC message is expanded and carries described sub-band information, or described RRC message also can be for being different from existing RRC message in prior art.
Again for example, described high-level signaling can be that (Media Access Control, MAC) control element (Control Element, CE) message is controlled in media interviews, specifically can also carry described sub-band information by increasing new MAC CE message.
Be understandable that, after the high-level signaling that relates in embodiment can adopt above-mentioned understanding mode.
Alternatively, described base station can also not send described sub-band information by high-level signaling to described terminal, and described narrowband terminal can also be according to the described sub-band information of pre-configured acquisition, and for example, agreement is arranged.
Alternatively, in one of the present embodiment possible implementation, in 202, described base station specifically can send described sub-band information and described first resource assignment information to described narrowband terminal by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described sub-band information and described first resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described sub-band information and described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, in 202, described base station specifically can send described Secondary resource assignment information to described narrowband terminal by control channel.Particularly, described Secondary resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described Secondary resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Wherein, described control channel is specifically as follows the Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel, ePDCCH) of enhancing.
Be understandable that, base station is that the subband that the described narrowband terminal of described narrowband terminal distribution can be supported can overlap for the subband with described control channel mapping or whole overlapping subband; Or can also be for not overlapping with the subband of described control channel mapping, the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, before 202, described base station can also further send the first indication information to described narrowband terminal, whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-band information comprising in described resource indication information according to described the first indication information.
Particularly, described base station specifically can send described the first indication information to described narrowband terminal by high-level signaling.
Alternatively, in one of the present embodiment possible implementation, in the described resource indication information that described base station sends, can also further comprise sub-frame information; Correspondingly, in 203, described base station specifically can be in the indicated subframe of described sub-frame information, on described subband, utilize the resource on described subband, with described narrowband terminal transmission data, described subframe comprises the subframe after current subframe or current subframe.
Particularly, before 202, described base station can also further receive buffer memory ability or the service delay requirement of the described narrowband terminal of described narrowband terminal transmission, then, described base station can, according to the buffer memory ability of described narrowband terminal or service delay requirement, determine that described subframe is described current subframe or described current subframe subframe afterwards.
For example, if the buffer memory ability of described narrowband terminal is stronger, all OFDMs (Orthogonal Frequency Division Multiplexing of a subframe of the capable storage of described narrowband terminal is described, OFDM) symbol, described base station can determine that the indicated subframe of described sub-frame information is described current subframe; If the buffer memory ability of described narrowband terminal is poor, illustrate that described narrowband terminal does not have all OFDM symbols of a subframe of ability storage, described base station can determine that the indicated subframe of described sub-frame information is described current subframe subframe afterwards, thereby make narrowband terminal can not need all OFDM symbols of the subframe after current subframe described in buffer memory, can effectively reduce the cost of described narrowband terminal.
Alternatively, before 201, described base station can also further send the second indication information to described narrowband terminal, whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-frame information comprising in described resource indication information according to described the second indication information.
Particularly, described base station specifically can send described the second indication information to described narrowband terminal by high-level signaling.
In the present embodiment, by base station, be that narrowband terminal is distributed the resource on the subband that described narrowband terminal can support, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal, and then send resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband, make the described base station can be on described subband, utilize the resource on described subband, with described narrowband terminal transmission data, thereby realized, there are a plurality of subbands when narrowband terminal, scheduling narrowband terminal at least part of subband transmission data therein, having solved in prior art base station cannot dispatch narrowband terminal at current subband and at other subbands, carry out the problem of transfer of data.
It should be noted that, for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the application is not subject to the restriction of described sequence of movement, because according to the application, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the application is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.
The structural representation of the narrowband terminal that Fig. 3 provides for another embodiment of the application, as shown in Figure 3, the narrowband terminal that the present embodiment provides can comprise and obtains unit 31, determining unit 32 and transmission unit 33.Wherein, obtain unit 31 for obtaining resource indication information, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal; Determining unit 32, for according to described resource indication information, is determined the resource on described subband and described subband; Transmission unit 33, at described subband, utilizes the resource on described subband, with described base-station transmission data.
Particularly, described resource indication information can include but not limited to:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on described subband; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
Alternatively, in one of the present embodiment possible implementation, obtain unit 31 and specifically can obtain described sub-band information, and receive the described first resource assignment information that described base station sends by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information for example can be included in, in the existing field in Downlink Control Information (Downlink Control Information, DCI),, carrier wave indication territory (Carrier Indicator Field, CIF) field and/or RA field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, obtain unit 31 and specifically can receive the described sub-band information that described base station sends by high-level signaling, and the described first resource assignment information sending by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, obtain unit 31 and specifically can receive described sub-band information and the described first resource assignment information that described base station sends by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described sub-band information and described first resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described sub-band information and described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, obtain unit 31 and specifically can receive the described Secondary resource assignment information that described base station sends by control channel.Particularly, described Secondary resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described Secondary resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Wherein, described control channel is specifically as follows the Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel, ePDCCH) of enhancing.
Be understandable that, base station is that the subband that the described narrowband terminal of described narrowband terminal distribution can be supported can overlap for the subband with described control channel mapping or whole overlapping subband; Or can also be for not overlapping with the subband of described control channel mapping, the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, obtain unit 31 and can also further receive the first indication information that described base station sends, whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-band information comprising in described resource indication information according to described the first indication information.
Particularly, obtain unit 31 and specifically can receive the first indication information that described base station sends by high-level signaling.
Alternatively, in one of the present embodiment possible implementation, in the described resource indication information that acquisition unit 31 receives, can also further comprise sub-frame information; Correspondingly, transmission unit 33 specifically can on described subband, utilize the resource on described subband in the indicated subframe of described sub-frame information, and with described base-station transmission data, described subframe comprises the subframe after current subframe or current subframe.
Particularly, transmission unit 33 can also further send buffer memory ability or the service delay requirement of described narrowband terminal to described base station, so that described subframe according to the buffer memory ability of described narrowband terminal or service delay requirement, is determined in described base station, be described current subframe or described current subframe subframe afterwards.
For example, if the buffer memory ability of described narrowband terminal is stronger, all OFDMs (Orthogonal Frequency Division Multiplexing of a subframe of the capable storage of described narrowband terminal is described, OFDM) symbol, described base station can determine that the indicated subframe of described sub-frame information is described current subframe; If the buffer memory ability of described narrowband terminal is poor, illustrate that described narrowband terminal does not have all OFDM symbols of a subframe of ability storage, described base station can determine that the indicated subframe of described sub-frame information is described current subframe subframe afterwards, thereby make narrowband terminal can not need all OFDM symbols of the subframe after current subframe described in buffer memory, can effectively reduce the cost of described narrowband terminal.
Alternatively, obtain unit 31 and can also further receive the second indication information that described base station sends, whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-frame information comprising in described resource indication information according to described the second indication information.
Particularly, obtain unit 31 and specifically can receive the second indication information that described base station sends by high-level signaling.
In the present embodiment, narrowband terminal obtains resource indication information by obtaining unit, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal, and then by determining unit according to described resource indication information, determine the resource on described subband and described subband, make the transmission unit can be on described subband, utilize the resource on described subband, with described base-station transmission data, thereby realized, there are a plurality of subbands when narrowband terminal, scheduling narrowband terminal at least part of subband transmission data therein, having solved in prior art base station cannot dispatch narrowband terminal at current subband and at other subbands, carry out the problem of transfer of data.
The structural representation of the base station that Fig. 4 provides for another embodiment of the application, as shown in Figure 4, the narrowband terminal that the present embodiment provides can comprise allocation units 41 and transmission unit 42.Wherein, allocation units 41 are used to narrowband terminal to distribute the resource on the subband that described narrowband terminal can support, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal; Transmission unit 42, for sending resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband, and on described subband, utilizes the resource on described subband, with described narrowband terminal transmission data.
Particularly, described resource indication information can include but not limited to:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on described subband; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
Alternatively, in one of the present embodiment possible implementation, transmission unit 42 specifically can send described first resource assignment information to described narrowband terminal by control channel, so that described narrowband terminal is according to sub-band information, and described first resource assignment information is determined the resource on described subband and described subband.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information for example can be included in, in the existing field in Downlink Control Information (Downlink Control Information, DCI),, carrier wave indication territory (Carrier Indicator Field, CIF) field and/or RA field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, transmission unit 42 specifically can send described sub-band information to described narrowband terminal by high-level signaling, and to described narrowband terminal, sends described first resource assignment information by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described first resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, transmission unit 42 specifically can send described sub-band information and described first resource assignment information to described narrowband terminal by control channel.Wherein, described sub-band information can comprise subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.Particularly, described sub-band information and described first resource assignment information can be included in the existing field in DCI, for example, and CIF field or RA field; Or described sub-band information and described first resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, transmission unit 42 specifically can send described Secondary resource assignment information to described narrowband terminal by control channel.Particularly, described Secondary resource assignment information can be included in the existing field in DCI, for example, and CIF field and/or RA field; Or described Secondary resource assignment information can also be included in the new field of DCI, and the present embodiment does not limit this.
Wherein, described control channel is specifically as follows the Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel, ePDCCH) of enhancing.
Be understandable that, the subband that the described narrowband terminal that allocation units 41 distribute for described narrowband terminal can be supported can overlap for the subband with described control channel mapping or whole overlapping subband; Or can also be for not overlapping with the subband of described control channel mapping, the present embodiment does not limit this.
Alternatively, in one of the present embodiment possible implementation, transmission unit 42 can also further send the first indication information to described narrowband terminal, whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-band information comprising in described resource indication information according to described the first indication information.
Particularly, transmission unit 42 specifically can send described the first indication information to described narrowband terminal by high-level signaling.
Alternatively, in one of the present embodiment possible implementation, in the described resource indication information that transmission unit 42 sends, can also further comprise sub-frame information; Correspondingly, transmission unit 42 specifically can on described subband, utilize the resource on described subband in the indicated subframe of described sub-frame information, and with described narrowband terminal transmission data, described subframe comprises the subframe after current subframe or current subframe.
Particularly, transmission unit 42 can also further receive buffer memory ability or the service delay requirement of the described narrowband terminal of described narrowband terminal transmission, and according to the buffer memory ability of described narrowband terminal or service delay requirement, determine that described subframe is described current subframe or described current subframe subframe afterwards.
For example, if the buffer memory ability of described narrowband terminal is stronger, all OFDMs (Orthogonal Frequency Division Multiplexing of a subframe of the capable storage of described narrowband terminal is described, OFDM) symbol, described base station can determine that the indicated subframe of described sub-frame information is described current subframe; If the buffer memory ability of described narrowband terminal is poor, illustrate that described narrowband terminal does not have all OFDM symbols of a subframe of ability storage, described base station can determine that the indicated subframe of described sub-frame information is described current subframe subframe afterwards, thereby make narrowband terminal can not need all OFDM symbols of the subframe after current subframe described in buffer memory, can effectively reduce the cost of described narrowband terminal.
Alternatively, transmission unit 42 can also further send the second indication information to described narrowband terminal, whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information, thereby make described narrowband terminal correctly to identify the sub-frame information comprising in described resource indication information according to described the second indication information.
Particularly, transmission unit 42 specifically can send described the second indication information to described narrowband terminal by high-level signaling.
In the present embodiment, base station is that narrowband terminal is distributed the resource on the subband that described narrowband terminal can support by allocation units, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal, and then to described narrowband terminal, send resource indication information by transmission unit, to indicate the resource on described subband and described subband, make the described transmission unit can be on described subband, utilize the resource on described subband, with described narrowband terminal transmission data, thereby realized, there are a plurality of subbands when narrowband terminal, scheduling narrowband terminal at least part of subband transmission data therein, having solved in prior art base station cannot dispatch narrowband terminal at current subband and at other subbands, carry out the problem of transfer of data.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in Yi Ge unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) carry out the part steps of method described in each embodiment of the application.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, be called for short ROM), the various media that can be program code stored such as random access memory (Random Access Memory is called for short RAM), magnetic disc or CD.
Finally it should be noted that: above embodiment only, in order to the application's technical scheme to be described, is not intended to limit; Although the application is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the application.
Claims (32)
1. a data transmission method, is characterized in that, comprising:
Narrowband terminal obtains resource indication information, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Described narrowband terminal, according to described resource indication information, is determined the resource on described subband and described subband;
Described narrowband terminal, on described subband, is utilized the resource on described subband, with described base-station transmission data.
2. method according to claim 1, is characterized in that, described resource indication information comprises:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on described subband; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
3. method according to claim 2, is characterized in that, described narrowband terminal obtains resource indication information, comprising:
Described narrowband terminal obtains described sub-band information, and receives the described first resource assignment information that described base station sends by control channel; Or
Described narrowband terminal receives the described sub-band information that described base station sends by high-level signaling, and the described first resource assignment information sending by control channel; Or
Described narrowband terminal receives described sub-band information and the described first resource assignment information that described base station sends by control channel; Or
Described narrowband terminal receives the described Secondary resource assignment information that described base station sends by control channel.
4. method according to claim 3, is characterized in that,
Described sub-band information comprises subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.
5. according to the method described in the arbitrary claim of claim 1～4, it is characterized in that, described narrowband terminal also comprises before obtaining resource indication information:
Described narrowband terminal receives the first indication information that described base station sends, and whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information.
6. according to the method described in the arbitrary claim of claim 1～5, it is characterized in that, in described resource indication information, also comprise sub-frame information; Described narrowband terminal, on described subband, is utilized the resource on described subband, with described base-station transmission data, comprising:
Described narrowband terminal, in the indicated subframe of described sub-frame information, on described subband, is utilized the resource on described subband, and with described base-station transmission data, described subframe comprises the subframe after current subframe or current subframe.
7. method according to claim 6, is characterized in that, described narrowband terminal also comprises before obtaining resource indication information:
Described narrowband terminal sends buffer memory ability or the service delay requirement of described narrowband terminal to described base station, so that described subframe according to the buffer memory ability of described narrowband terminal or service delay requirement, is determined in described base station, be described current subframe or described current subframe subframe afterwards.
8. according to the method described in claim 6 or 7, it is characterized in that, described narrowband terminal also comprises before obtaining resource indication information:
Described narrowband terminal receives the second indication information that described base station sends, and whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information.
9. a data transmission method, is characterized in that, comprising:
Base station is that narrowband terminal is distributed the resource on the subband that described narrowband terminal can support, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Described base station sends resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband;
Described base station, on described subband, utilizes the resource on described subband, with described narrowband terminal transmission data.
10. method according to claim 9, is characterized in that, described resource indication information comprises:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on the indicated subband of described sub-band information; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
11. methods according to claim 10, is characterized in that, described base station sends resource indication information to described narrowband terminal, comprising:
Described base station sends described sub-band information by high-level signaling to described narrowband terminal, and to described narrowband terminal, sends described first resource assignment information by control channel; Or
Described base station sends described sub-band information and described first resource assignment information by control channel to described narrowband terminal; Or
Described base station sends described Secondary resource assignment information by control channel to described narrowband terminal.
12. methods according to claim 11, is characterized in that,
Described sub-band information comprises subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.
13. according to the method described in the arbitrary claim of claim 9～12, it is characterized in that, described base station also comprises before sending resource indication information to described narrowband terminal:
Described base station sends the first indication information to described narrowband terminal, and whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information.
14. according to the method described in the arbitrary claim of claim 9～13, it is characterized in that, also comprises sub-frame information in described resource indication information; Described base station, on described subband, utilizes the resource on described subband, with described narrowband terminal transmission data, comprising:
Described base station, in the indicated subframe of described sub-frame information, on described subband, utilizes the resource on described subband, and with described narrowband terminal transmission data, described subframe comprises the subframe after current subframe or current subframe.
15. methods according to claim 14, is characterized in that, described base station also comprises before sending resource indication information to described narrowband terminal:
Described base station receives buffer memory ability or the service delay requirement of the described narrowband terminal of described narrowband terminal transmission;
Described base station, according to the buffer memory ability of described narrowband terminal or service delay requirement, determines that described subframe is described current subframe or described current subframe subframe afterwards.
16. according to the method described in claims 14 or 15, it is characterized in that, described base station also comprises before sending resource indication information to described narrowband terminal:
Described base station sends the second indication information to described narrowband terminal, and whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information.
17. 1 kinds of narrowband terminal, is characterized in that, comprising:
Obtain unit, be used for obtaining resource indication information, described resource indication information is the resource on the subband that can support of described narrowband terminal that described narrowband terminal is distributed in order to indicate base station, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Determining unit, for according to described resource indication information, determines the resource on described subband and described subband;
Transmission unit, at described subband, utilizes the resource on described subband, with described base-station transmission data.
18. narrowband terminal according to claim 17, is characterized in that, described resource indication information comprises:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on described subband; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
19. narrowband terminal according to claim 18, is characterized in that, described acquisition unit specifically for
Obtain described sub-band information, and receive the described first resource assignment information that described base station sends by control channel; Or
Receive the described sub-band information that described base station sends by high-level signaling, and the described first resource assignment information sending by control channel; Or
Receive described sub-band information and described first resource assignment information that described base station sends by control channel; Or
Receive the described Secondary resource assignment information that described base station sends by control channel.
20. narrowband terminal according to claim 19, is characterized in that,
Described sub-band information comprises subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.
21. according to the narrowband terminal described in the arbitrary claim of claim 17～20, it is characterized in that, described acquisition unit also for
Receive the first indication information that described base station sends, whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information.
22. according to the narrowband terminal described in the arbitrary claim of claim 17～21, it is characterized in that, also comprises sub-frame information in described resource indication information; Described transmission unit specifically for
In the indicated subframe of described sub-frame information, on described subband, utilize the resource on described subband, with described base-station transmission data, described subframe comprises the subframe after current subframe or current subframe.
23. narrowband terminal according to claim 22, is characterized in that, described transmission unit also for
To described base station, send buffer memory ability or the service delay requirement of described narrowband terminal, so that described subframe according to the buffer memory ability of described narrowband terminal or service delay requirement, is determined in described base station, be described current subframe or described current subframe subframe afterwards.
24. according to the narrowband terminal described in claim 22 or 23, it is characterized in that, described acquisition unit also for
Receive the second indication information that described base station sends, whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information.
25.Yi Zhong base station, is characterized in that, comprising:
Allocation units, are used to narrowband terminal to distribute the resource on the subband that described narrowband terminal can support, described subband is a part for the system broad that can support of ordinary terminal, and the power consumption of described narrowband terminal is lower than described ordinary terminal;
Transmission unit, for sending resource indication information to described narrowband terminal, to indicate the resource on described subband and described subband, and on described subband, utilizes the resource on described subband, with described narrowband terminal transmission data.
26. base stations according to claim 25, is characterized in that, described resource indication information comprises:
Sub-band information and first resource assignment information, described sub-band information is used to indicate described subband, and described first resource assignment information is used to indicate the resource on described subband; Or
Secondary resource assignment information, described Secondary resource assignment information is used to indicate the resource on described subband.
27. base stations according to claim 26, is characterized in that, described transmission unit specifically for
By high-level signaling, to described narrowband terminal, send described sub-band information, and to described narrowband terminal, send described first resource assignment information by control channel; Or
By control channel, to described narrowband terminal, send described sub-band information and described first resource assignment information; Or
By control channel, to described narrowband terminal, send described Secondary resource assignment information.
28. base stations according to claim 27, is characterized in that,
Described sub-band information comprises subband sign or skew sign, and described skew sign is used to indicate described subband with respect to the side-play amount of the subband of described control channel mapping.
29. according to the base station described in the arbitrary claim of claim 25～28, it is characterized in that, described transmission unit also for
To described narrowband terminal, send the first indication information, whether described the first indication information is used to indicate and carries out across sub-band scheduling, described across sub-band scheduling in, other subbands that are different from described subband are used to transmit described resource indication information.
30. according to the base station described in the arbitrary claim of claim 25～29, it is characterized in that, also comprises sub-frame information in described resource indication information; Described transmission unit specifically for
In the indicated subframe of described sub-frame information, on described subband, utilize the resource on described subband, with described narrowband terminal transmission data, described subframe comprises the subframe after current subframe or current subframe.
31. base stations according to claim 30, is characterized in that, described transmission unit also for
Receive buffer memory ability or the service delay requirement of the described narrowband terminal of described narrowband terminal transmission, and according to the buffer memory ability of described narrowband terminal or service delay requirement, determine that described subframe is described current subframe or described current subframe subframe afterwards.
32. according to the base station described in claim 30 or 31, it is characterized in that, described transmission unit also for
To described narrowband terminal, send the second indication information, whether described the second indication information is used to indicate and carries out across subframe scheduling, described across subframe scheduling in, other subframes outside described subframe are used to transmit described resource indication information.
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| PCT/CN2013/073809 WO2014005446A1 (en) | 2012-06-27 | 2013-04-07 | Data transmission method, narrowband terminal, and base station |
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| CN201210216242.5A CN103517429B (en) | 2012-06-27 | 2012-06-27 | Data transmission method and narrowband terminal, base station |
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| CN110662293A (en) * | 2018-06-28 | 2020-01-07 | 普天信息技术有限公司 | Uplink service scheduling method and system based on discrete sub-band |
| CN111083745B (en) * | 2018-10-19 | 2022-06-07 | 成都鼎桥通信技术有限公司 | Scheduling method and device |
| CN111083745A (en) * | 2018-10-19 | 2020-04-28 | 成都鼎桥通信技术有限公司 | Scheduling method and device |
| CN113438609B (en) * | 2021-08-27 | 2021-11-19 | 深圳市晨讯物联科技有限公司 | Method, system, device and storage medium for scheduling communication with integration of width and width |
| CN113438609A (en) * | 2021-08-27 | 2021-09-24 | 深圳市晨讯物联科技有限公司 | Method, system, device and storage medium for scheduling communication with integration of width and width |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014005446A1 (en) | 2014-01-09 |
| CN103517429B (en) | 2016-11-23 |
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