CN102281635A - Channel state information reference signal sending method and apparatus thereof, and channel state information reference signal receiving method and apparatus thereof - Google Patents
Channel state information reference signal sending method and apparatus thereof, and channel state information reference signal receiving method and apparatus thereof Download PDFInfo
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Abstract
The invention provides a channel state information reference signal sending method and a receiving method. The methods comprise the following steps: a base station selects a channel state information reference signal subframe configuration from a pre-configured channel state information reference signal subframe configuration table and sends the channel state information reference signal periodically in the downlink subframe according to the channel state information reference signal subframe configuration; the base station notifies the channel state information reference signal subframe configuration information to a terminal. The invention provides a concrete scheme and a related signaling design of channel state information reference signal period configuration. The channel state information reference signal period configuration of TDD and FDD systems can be realized. Simultaneously, measuring precision is taken into consideration in the methods so that system performance can be optimized.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of measurement pilot frequency sending method and device and measurement pilot frequency method of reseptance and device.
Background technology
The LTE-A standardization effort carries out, and for satisfying the requirement of its peak rate, 8X8MIMO becomes guardian technique.In this case, just need the reference signal of these 8 antenna ports be configured respectively.When guaranteeing systematic function, reduce the expense of introducing by reference signal as much as possible, measurement pilot frequency (Channel State Information Reference Signal has been adopted in the 3GPP meeting, CSI-RS) and demodulation pilot frequency (De-Modulation Reference Signal, DMRS) method that separately designs and optimize, be that dedicated pilot is adopted in demodulation, measure and adopt measurement pilot frequency.The concrete scheme that does not also have at present clear and definite measurement pilot frequency configuration.
In the LTE system, measure and demodulation all adopt the exclusive pilot tone in sub-district (Cell-SpecificReference Signal, CRS).The exclusive pilot tone in sub-district all is that the full bandwidth configuration concurrency send in each subframe.From the angle that realizes, measure in any subframe and can finish.
In the LTE-A sub-district, need send measurement pilot frequency periodically.On the one hand, measurement is restricted, and can only realize measuring in the measurement pilot frequency configuration.Therefore, reasonable disposition measurement pilot frequency (cycle and/or subframe position) has tangible influence to systematic function.On the other hand, because there is various configurations (as shown in table 1) in the tdd frame structure, under the various configurations, the number difference of descending sub frame, but also comprise some special subframes (as special time slot, subframe 0 and subframe 5).Therefore, in TDD (time division multiplexing) system configuration measurement pilot frequency more complicated.
Up-downlink configuration
Summary of the invention
At the one or more problems that exist in the correlation technique, the object of the present invention is to provide a kind of measurement pilot frequency sending method and device and measurement pilot frequency method of reseptance and device, with in addressing the above problem one of at least.
For achieving the above object, according to embodiments of the invention, a kind of measurement pilot frequency sending method is provided, this method comprises: a kind of measurement pilot frequency sub-frame configuration is selected in the base station from pre-configured measurement pilot frequency sub-frame configuration table, and periodically sends measurement pilot frequency according to the measurement pilot frequency sub-frame configuration in descending sub frame; And the base station is with measurement pilot frequency subframe configuration information notice terminal.
According to embodiments of the invention, a kind of measurement pilot frequency method of reseptance is provided, this method comprises: terminal receives the measurement pilot frequency subframe configuration information that the base station sends; Terminal is determined corresponding measurement pilot frequency sub-frame configuration according to measurement pilot frequency subframe configuration information and pre-configured measurement pilot frequency sub-frame configuration table, and determines to send the subframe of measurement pilot frequency according to determined measurement pilot frequency sub-frame configuration; And terminal receives measurement pilot frequency on determined subframe.
According to embodiments of the invention, a kind of measurement pilot frequency dispensing device is provided, this device comprises: the measurement pilot frequency configuration module is used for pre-configured measurement pilot frequency sub-frame configuration table; The measurement pilot frequency sending module is selected a kind of measurement pilot frequency sub-frame configuration from measurement pilot frequency sub-frame configuration table, and periodically sends measurement pilot frequency according to the measurement pilot frequency sub-frame configuration in descending sub frame; And information sending module, be used for measurement pilot frequency subframe configuration information notice terminal.
According to embodiments of the invention, a kind of measurement pilot frequency receiving system is provided, this device comprises: information receiving module is used to receive the measurement pilot frequency subframe configuration information that the base station sends; The subframe determination module is used for determining the measurement pilot frequency sub-frame configuration according to measurement pilot frequency subframe configuration information and pre-configured measurement pilot frequency sub-frame configuration table, and determines to send the subframe of measurement pilot frequency according to determined measurement pilot frequency sub-frame configuration; And receiver module, be used on determined subframe, receiving measurement pilot frequency.
The concrete scheme that the present invention has provided the configuration of measurement pilot frequency cycle designs with relevant signaling, has really realized the measurement pilot frequency cycle configuration of TDD system.Simultaneously, these schemes have taken into full account the precision of measuring, and have optimized systematic function.
Description of drawings
Fig. 1 is the flow chart of measurement pilot frequency sending method according to an embodiment of the invention;
Fig. 2 is the flow chart of measurement pilot frequency method of reseptance according to an embodiment of the invention;
Fig. 3 is the block diagram of measurement pilot frequency dispensing device according to an embodiment of the invention; And
Fig. 4 is the block diagram of measurement pilot frequency receiving system according to an embodiment of the invention.
Embodiment
In order to reduce the expense of measurement pilot frequency, the mode that the measurement pilot frequency employing cycle sends.In the LTE-A sub-district, need transmission measurement pilot tone periodically.But because the particularity of tdd frame structure (as shown in table 1) is done special optimization so need dispose (cycle and/or subframe position) to measurement pilot transmission.The concrete scheme that the present invention has provided the configuration of measurement pilot frequency cycle designs with relevant signaling, has really realized the measurement pilot frequency cycle configuration of TDD system.
Fig. 1 is the flow chart of measurement pilot frequency sending method according to an embodiment of the invention.As shown in Figure 1, the measurement pilot frequency sending method comprises:
S102, a kind of measurement pilot frequency sub-frame configuration is selected in the base station from pre-configured measurement pilot frequency sub-frame configuration table, and periodically sends measurement pilot frequency according to the measurement pilot frequency sub-frame configuration in descending sub frame; And
S104, the base station is with measurement pilot frequency subframe configuration information notice terminal.
Wherein, the measurement pilot frequency sub-frame configuration can comprise following one of at least: configuration cycle, corresponding to one or more subframes skews of configuration cycle.The measurement pilot frequency subframe configuration information can be the sequence number of measurement pilot frequency sub-frame configuration correspondence, also the mode of the measurement pilot frequency sub-frame configuration that can obtain for other receiving terminals.
Be used under the situation of time division multiplex system in this measurement pilot frequency sending method:
The base station can be configured in the measurement pilot frequency of all sub-districts in the subframe or the measurement pilot frequency of part sub-district is configured in the different subframes.Under the situation in the measurement pilot frequency with the part sub-district is configured in different subframes, every kind of configuration cycle is as far as possible corresponding to different subframe skews.
Determine to send the subframe of measurement pilot frequency by the skew of configuration cycle and/or subframe, the cycle that sends the subframe of measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.Wherein, uniformly-spaced the cycle is: the initial subframe number of subframe skew indicating downlink measurement pilot frequency, and uniformly-spaced send according to configuration cycle.The unequal interval cycle is: subframe skew indication sends the subframe numbers of downlink measurement pilot frequency in configuration cycle, and periodically sends according to configuration cycle.
The unequal interval cycle comprises: configuration cycle has at least three subframes to send measurement pilot frequency when being 2ms in the radio frames; Configuration cycle has two subframes to send measurement pilot frequency when being 5ms in the radio frames; Configuration cycle only has a subframe to send measurement pilot frequency when being 10ms in the radio frames; And/or configuration cycle when being 20ms, only there is a subframe to send measurement pilot frequency in two radio frames; When configuration cycle is 30ms, only there is a subframe to send measurement pilot frequency in three radio frames.It should be noted that configuration cycle can be worth for other, and be not limited to above four kinds of situations.
The subframe that sends measurement pilot frequency can be subframe, subframe 5, subframe 0, the special time slot that only is used for the transmitting physical DSCH Downlink Shared Channel according to priority orders.
Special time slot is divided into three parts: DwPTS, GP and UpPTS.Wherein DwPTS is used for downlink transfer, and GP is up-downgoing protection interval, and UpPTS is used for uplink.If downlink measurement pilot frequency need dispose at special time slot, then can be configured in the DwPTS part of special time slot, terminal receives in corresponding part.
Measurement pilot frequency configuration information in the measurement pilot frequency sub-frame configuration table can be corresponding one by one or uncorrelated with frame structure.
Be used in the measurement pilot frequency sending method under the situation of Frequency Division Multiplexing system: configuration cycle can comprise following one of at least: 2ms, 5ms, 10ms, 20ms, 30ms.
By configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the subframe that sends measurement pilot frequency does not comprise PBCH place subframe, SSH place subframe and PSH place subframe as far as possible.
Under the situation of needs, the base station can be sent to terminal with frame structure information, receives and detects so that terminal is carried out measurement pilot frequency, and terminal also can obtain frame structure information by other modes.
Fig. 2 is the flow chart of measurement pilot frequency method of reseptance according to an embodiment of the invention.As shown in Figure 2, this method comprises:
S202, terminal receives the measurement pilot frequency subframe configuration information that the base station sends; And
S204, terminal is determined corresponding measurement pilot frequency sub-frame configuration according to measurement pilot frequency subframe configuration information and pre-configured measurement pilot frequency sub-frame configuration table, and determines to send the subframe of measurement pilot frequency according to determined measurement pilot frequency sub-frame configuration;
S206, terminal receives measurement pilot frequency on determined subframe.Wherein, subframe does not comprise sub-frame of uplink.
It is one of following that the measurement pilot frequency sub-frame configuration can comprise at least: configuration cycle, corresponding to one or more subframes skews of configuration cycle.
The measurement pilot frequency subframe configuration information can be the sequence number of measurement pilot frequency sub-frame configuration correspondence, also the mode of the measurement pilot frequency sub-frame configuration that can obtain for other receiving terminals.
Be used in the measurement pilot frequency sending method under the situation of time division multiplex system, determine to send the subframe of measurement pilot frequency by the skew of configuration cycle and/or subframe, the cycle that sends the subframe of measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.Uniformly-spaced the cycle is: by the initial subframe number of subframe skew indicating downlink measurement pilot frequency, uniformly-spaced send according to configuration cycle; And the unequal interval cycle is: by the subframe numbers that sends downlink measurement pilot frequency in the one or more radio frames of subframe skew indication, and send according to this configuration in subsequent subframe.
The subframe that sends measurement pilot frequency can comprise following one of at least: the subframe, subframe 5, subframe 0, the special time slot that only are used for the transmitting physical DSCH Downlink Shared Channel.
Measurement pilot frequency configuration in the measurement pilot frequency sub-frame configuration table is corresponding one by one or uncorrelated with frame structure.
Be used in the measurement pilot frequency sending method under the situation of Frequency Division Multiplexing system, by configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the subframe that sends measurement pilot frequency does not comprise Physical Broadcast Channel place subframe, primary synchronization channel place subframe and auxiliary synchronization channel place subframe.
Fig. 3 is the block diagram of measurement pilot frequency dispensing device according to an embodiment of the invention.As shown in Figure 3, this device comprises: measurement pilot frequency configuration module 302 is used for pre-configured measurement pilot frequency sub-frame configuration table; Measurement pilot frequency sending module 304 is selected a kind of measurement pilot frequency sub-frame configuration from measurement pilot frequency sub-frame configuration table, and periodically sends measurement pilot frequency according to the measurement pilot frequency sub-frame configuration in descending sub frame; And information sending module 306, be used for measurement pilot frequency subframe configuration information notice terminal.
Wherein, the measurement pilot frequency sub-frame configuration can comprise one of following at least: configuration cycle, corresponding to one or more subframes skews of configuration cycle.The measurement pilot frequency subframe configuration information is the sequence number of measurement pilot frequency sub-frame configuration correspondence, also the mode of the measurement pilot frequency sub-frame configuration that can obtain for other receiving terminals.
Be used at the measurement pilot frequency dispensing device under the situation of time division multiplex system:
The measurement pilot frequency configuration module can be configured in the measurement pilot frequency of all sub-districts in the subframe or the measurement pilot frequency of part sub-district is configured in the different subframes.Under the situation in the measurement pilot frequency with the part sub-district is configured in different subframes, the measurement pilot frequency configuration module makes every kind of configuration cycle corresponding to different subframe skews.
Determine to send the subframe of measurement pilot frequency by the skew of configuration cycle and/or subframe, the cycle that sends the subframe of measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.Wherein, uniformly-spaced the cycle is: the initial subframe number of subframe skew indicating downlink measurement pilot frequency, and uniformly-spaced send according to configuration cycle.The unequal interval cycle is: the interior subframe numbers that sends downlink measurement pilot frequency of one or more radio frames of subframe skew indication configuration cycle, and in subsequent subframe, send according to this configuration.The unequal interval cycle comprises: configuration cycle has at least three subframes to send measurement pilot frequency when being 2ms in the radio frames; Configuration cycle has two subframes to send measurement pilot frequency when being 5ms in the radio frames; Configuration cycle only has a subframe to send measurement pilot frequency when being 10ms in the radio frames; And/or configuration cycle when being 20ms, only there is a subframe to send measurement pilot frequency in two radio frames; When configuration cycle is 30ms, only there is a subframe to send measurement pilot frequency in three radio frames.It should be noted that configuration cycle can be worth for other, and be not limited to above four kinds of situations.
According to priority orders, the subframe that sends measurement pilot frequency can be configured to only be used for subframe, subframe 5, subframe 0, the special time slot of transmitting physical DSCH Downlink Shared Channel.Special time slot is divided into three parts: DwPTS, GP and UpPTS.Wherein DwPTS is used for downlink transfer, and GP is up-downgoing protection interval, and UpPTS is used for uplink.If downlink measurement pilot frequency need dispose at special time slot, then can be configured in the DwPTS part of special time slot, terminal receives in corresponding part.
Measurement pilot frequency configuration information in the measurement pilot frequency sub-frame configuration table can be corresponding one by one or uncorrelated with frame structure.
Be used at the measurement pilot frequency dispensing device under the situation of Frequency Division Multiplexing system:
By configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the subframe that sends measurement pilot frequency does not comprise PBCH place subframe, SSH place subframe and PSH place subframe as far as possible.Configuration cycle can comprise following one of at least: 2ms, 5ms, 10ms, 20ms, 30ms.
Fig. 4 is the block diagram of measurement pilot frequency receiving system according to an embodiment of the invention.As shown in Figure 4, this device comprises: information receiving module 402 is used to receive the measurement pilot frequency subframe configuration information that the base station sends; Subframe determination module 404 is used for determining the measurement pilot frequency sub-frame configuration according to measurement pilot frequency subframe configuration information and pre-configured measurement pilot frequency sub-frame configuration table, and determines to send the subframe of measurement pilot frequency according to determined measurement pilot frequency sub-frame configuration; And receiver module 406, be used on determined subframe, receiving measurement pilot frequency.
It is one of following that the measurement pilot frequency sub-frame configuration can comprise at least: configuration cycle, corresponding to one or more subframes skews of configuration cycle.
The measurement pilot frequency subframe configuration information can be the sequence number of measurement pilot frequency sub-frame configuration correspondence,, the also mode of the measurement pilot frequency sub-frame configuration that can obtain for other receiving terminals.
Be used in the measurement pilot frequency sending method under the situation of time division multiplex system, determine to send the subframe of measurement pilot frequency by the skew of configuration cycle and/or subframe, the cycle that sends the subframe of measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.Uniformly-spaced the cycle is: by the initial subframe number of subframe skew indicating downlink measurement pilot frequency, uniformly-spaced send according to configuration cycle; And the unequal interval cycle is: by the subframe numbers that sends downlink measurement pilot frequency in the one or more radio frames of subframe skew indication, and send according to this configuration in subsequent subframe.
The subframe that sends measurement pilot frequency can comprise following one of at least: the subframe, subframe 5, subframe 0, the special time slot that only are used for the transmitting physical DSCH Downlink Shared Channel.
Measurement pilot frequency configuration in the measurement pilot frequency sub-frame configuration table is corresponding one by one or uncorrelated with frame structure.
Be used in the measurement pilot frequency sending method under the situation of Frequency Division Multiplexing system, by configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the subframe that sends measurement pilot frequency does not comprise Physical Broadcast Channel place subframe, primary synchronization channel place subframe and auxiliary synchronization channel place subframe.
Below introduce several concrete methods of sending and receiving:
Under the situation of the measurement pilot frequency configuration that is used for the TDD system:
In following all form descriptions, and a, b, c} represent a kind of configuration mode, the subframe numbers of a, b, the concrete mapping of c representative; { situation that a}or{b}...{d} expresses possibility and exists, but wherein a kind of situation of the actual correspondence of a kind of configuration.
Method 1: measurement pilot frequency separate configurations
Embodiment 1: the corresponding a kind of subframe skew of each configuration cycle
1, a kind of measurement pilot frequency sub-frame configuration option is selected according to present frame structure (as shown in table 1) and performance requirements in the TDD base station from measurement pilot frequency sub-frame configuration table (as shown in table 2).Frame structure and measurement pilot frequency sub-frame configuration table are all preserved in the base station.
Table 2TDD measurement pilot frequency sub-frame configuration
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {5，7，9} |
| 1 | 5 | {4，9}or{5，9} |
| 2 | 10 | {4}or{5}or{9} |
| 3 | 20 | {4}or{5}or{9} |
Table 2 is a kind of situation of measurement pilot frequency sub-frame configuration just, and may there be other situations in real system, but has at least one identical point with this form:
1) by configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the subframe that sends measurement pilot frequency is not limited to uniformly-spaced send, and also can send by unequal interval.Under the situation that unequal interval sends, for example can comprise: the 2ms cycle: have at least three subframes to send measurement pilot frequency in the radio frames; The 5ms cycle: have two subframes to send measurement pilot frequency in the radio frames; The 10ms cycle: only have a subframe to send measurement pilot frequency in the radio frames.The 20ms cycle: only have a subframe to send measurement pilot frequency in two radio frames.
2) configuration cycle and in configuration cycle, how to send measurement pilot frequency and be not limited to above-mentioned 4 kinds of situations.
3) subframe skew (transmission offset) is paid the utmost attention to and all or repeatedly be the subframe of downstream arrangements under various tdd frame structure.But also there are following several special circumstances:
I. avoid the collision with other channels and pilot tone, as subframe 0 (PBCH/PSS/SSH place subframe) and subframe 5 (PSS/SSH place subframe) as far as possible;
Ii. do not get rid of subframe 5 and/or subframe 0 allocating and measuring pilot tone;
Iii. do not get rid of special time slot allocating and measuring pilot tone.
2, the TDD base station is with frame structure and measurement pilot frequency subframe configuration information notice terminal.The measurement pilot frequency subframe configuration information can adopt high-level signaling or broadcast signaling, the Notification Method of recessiveness or dominance.
3, the TDD base station is according to frame structure, and other information (as subframe bias internal information, measurement pilot frequency sequence information etc.) of measurement pilot frequency sub-frame configuration and measurement pilot frequency configuration send measurement pilot frequency.But following measurement pilot frequency configuration subframe does not send measurement pilot frequency:
I. sub-frame of uplink;
Ii. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
4, terminal obtains the measurement pilot frequency sub-frame configuration according to the frame structure and the measurement pilot frequency subframe configuration information of TDD base station side notice.And in the corresponding all or part of reception measurement pilot frequency of subframe.But following measurement pilot frequency configuration subframe receives measurement pilot frequency scarcely:
I. sub-frame of uplink;
Ii. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
Embodiment 2: the corresponding a plurality of subframe skews of each configuration cycle
1, a kind of measurement pilot frequency sub-frame configuration option is selected according to present frame structure (as shown in table 1) and performance requirements in the TDD base station from measurement pilot frequency sub-frame configuration table (as shown in table 3).Frame structure and measurement pilot frequency sub-frame configuration table are all preserved in the base station.
Table 3TDD measurement pilot frequency sub-frame configuration
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {5，7，9} |
| 1 | 5 | {4，9} |
| 2 | 5 | {3，8} |
| 3 | 5 | {5，9} |
| 4 | 10 | {5} |
| 5 | 10 | {9} |
| 6 | 10 | {4}or{8} |
| 7 | 20 | {5} |
| 8 | 20 | {15} |
| 9 | 20 | {9} |
Table 3 is a kind of situation of measurement pilot frequency sub-frame configuration just, and may there be other situations in real system, but has at least one identical feature with this form:
1) by configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the cycle that sends the subframe of measurement pilot frequency is a generalized concept, is not limited to uniformly-spaced send, and also can be unequal interval.For example, the 2ms cycle: have at least three subframes to send measurement pilot frequency in the radio frames; The 5ms cycle: have two subframes to send measurement pilot frequency in the radio frames; The 10ms cycle: only have a subframe to send measurement pilot frequency in the radio frames.The 20ms cycle: only have a subframe to send measurement pilot frequency in two radio frames.
2) configuration cycle and in configuration cycle, how to send measurement pilot frequency and be not limited to above-mentioned 4 kinds of situations.
3) the subframe skew is paid the utmost attention to and all or repeatedly be the subframe of downstream arrangements under various tdd frame structure.But also there are following several special circumstances:
I. avoid the collision with other channels and pilot tone, as subframe 0 (PBCH/PSS/SSH place subframe) and subframe 5 (PSS/SSH place subframe) as far as possible;
Ii. do not get rid of subframe 5 and/or subframe 0 allocating and measuring pilot tone;
Iii. do not get rid of special time slot allocating and measuring pilot tone;
Iv. under every kind of cycle, find out 3 kinds of different subframes skews as far as possible.
2, the TDD base station is with frame structure and measurement pilot frequency subframe configuration information notice terminal.The measurement pilot frequency subframe configuration information can adopt high-level signaling or broadcast signaling, the Notification Method of recessiveness or dominance.
3, the TDD base station is according to frame structure, and other information (as subframe bias internal information, measurement pilot frequency sequence information etc.) of measurement pilot frequency sub-frame configuration and measurement pilot frequency configuration send measurement pilot frequency.But following measurement pilot frequency configuration subframe does not send measurement pilot frequency:
I. sub-frame of uplink;
Ii. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
4, terminal obtains the measurement pilot frequency sub-frame configuration according to the frame structure and the measurement pilot frequency subframe configuration information of TDD base station side notice.And in the corresponding all or part of reception measurement pilot frequency of subframe.But following measurement pilot frequency configuration subframe receives measurement pilot frequency scarcely:
I. sub-frame of uplink;
Ii. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
Method 2: measurement pilot frequency is corresponding with frame structure
Embodiment 3: the corresponding sub-vertical shift of each configuration cycle
1, the TDD base station is selected a kind of measurement pilot frequency sub-frame configuration option according to present frame structure (as shown in table 1) and performance requirements from the measurement pilot frequency sub-frame configuration table (shown in table 2-table 8) of present frame structure correspondence.Frame structure and measurement pilot frequency sub-frame configuration table are all preserved in the base station.
Table 2TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 0)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | Reserved (reservation) | reserved |
| 1 | 5 | {1} |
| 2 | 10 | {5}or{1}or{6} |
[0104]?
| 3 | 20 | {5}or{1}or{6} |
Table 3TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 1)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {4，5，9}or{1，4，9} |
| 1 | 5 | {4，9} |
| 2 | 10 | {4}or{9}or{5}or{1} or{6} |
| 3 | 20 | {4}or{9}or{5}or{1} or{6} |
Table 4TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 2)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {3，5，8}or{4，6，9} |
| 1 | 5 | {3，8}or{4，9} |
| 2 | 10 | {3}or{4}or{8}or{9}or{5}or {1}or{6} |
| 3 | 20 | {3}or{4}or{8}or{9}or{5}or {1}or{6} |
Table 5TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 3)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {5，7，9} |
| 1 | 5 | {5，9}or{1，6} |
| 2 | 10 | {6}or{7}or{8}or{9}or{5}or {1} |
| 3 | 20 | {6}or{7}or{8}or{9}or{5}or {1} |
Table 6TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 4)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {4，6，8} |
| 1 | 5 | {4} |
| 2 | 10 | {4}or{6}or{7}or{8}or{9}or{5} or{1} |
| 3 | 20 | {4}or{6}or{7}or{8}or{9}or{5} or{1} |
[0113]Table 7TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 5)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {3，5，7，9}or{4，6，8} |
| 1 | 5 | {3}or{4} |
| 2 | 10 | {3}or{4}or{6}or{7}or{8}or{9}or{5} or{1} |
| 3 | 20 | {3}or{4}or{6}or{7}or{8}or{9}or{5} or{1} |
Table 8TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 6)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {1，5，9}or{1，6，9} |
| 1 | 5 | {5，9}or{1，6} |
| 2 | 10 | {9}or{5}or{1} |
| 3 | 20 | {9}or{5}or{1} |
Table 2-table 8 is the part possibility of measurement pilot frequency sub-frame configuration just, and can there be other situations in real system, but has at least one identical point with this form:
1) by configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the cycle that sends the subframe of measurement pilot frequency is a generalized concept, is not limited to uniformly-spaced send, and also can send for unequal interval.For example, the 2ms cycle (less than the 5ms cycle): have at least three subframes to send measurement pilot frequency in the radio frames; The 5ms cycle: have two subframes to send measurement pilot frequency in the radio frames; The 10ms cycle: only have a subframe to send measurement pilot frequency in the radio frames.The 20ms cycle: only have a subframe to send measurement pilot frequency in two radio frames.
2) configuration cycle and in configuration cycle, how to send measurement pilot frequency and be not limited to above-mentioned 4 kinds of situations.
3) the subframe skew is paid the utmost attention to and all or repeatedly be the subframe of downstream arrangements under various tdd frame structure.But also there are following several special circumstances:
I. avoid the collision with other channels and pilot tone, as subframe 0 (PBCH/PSS/SSH place subframe) and subframe 5 (PSS/SSH place subframe) as far as possible;
Ii. do not get rid of subframe 5 and/or subframe 0 allocating and measuring pilot tone;
Iii. remove special time slot allocating and measuring pilot tone.
2, the TDD base station is with frame structure and measurement pilot frequency subframe configuration information notice terminal.The measurement pilot frequency subframe configuration information can adopt high-level signaling or broadcast signaling, the Notification Method of recessiveness or dominance.
3, the TDD base station is according to frame structure, and other information (as subframe bias internal information, measurement pilot frequency sequence information etc.) of measurement pilot frequency sub-frame configuration and measurement pilot frequency configuration send measurement pilot frequency.But following measurement pilot frequency configuration subframe does not send measurement pilot frequency:
I. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
4, terminal obtains the measurement pilot frequency sub-frame configuration according to the frame structure and the measurement pilot frequency subframe configuration information of TDD base station side notice.And in the corresponding all or part of reception measurement pilot frequency of subframe.But following measurement pilot frequency configuration subframe receives measurement pilot frequency scarcely:
I. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
2 each configuration cycle of embodiment are offset corresponding to a plurality of subframes
1, the TDD base station is selected a kind of measurement pilot frequency sub-frame configuration option according to present frame structure (as shown in table 1) and performance requirements from measurement pilot frequency sub-frame configuration table (shown in table 9-table 15).Frame structure and measurement pilot frequency sub-frame configuration table are all preserved in the base station.
Table 9TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 0)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | reserved | reserved |
| 1 | reserved | reserved |
| 2 | reserved | reserved |
| 3 | 5 | {1，6} |
| 4 | 10 | {5} |
| 5 | 10 | {1} |
| 6 | 10 | {6} |
| 7 | 20 | {5} |
| 8 | 20 | {1} |
| 9 | 20 | {6} |
Table 10TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 1)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {1，4，9} |
| 1 | reserved | reserved |
| 2 | 5 | {4，9} |
| 3 | 5 | {1，6} |
| 4 | 10 | {4} |
| 5 | 10 | {9} |
| 6 | 10 | {5} |
| 7 | 20 | {4} |
| 8 | 20 | {9} |
| 9 | 20 | {5} |
[0135]Table 11TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 2)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {3，5，8}or{4，6，9} |
| 1 | 5 | {3，8} |
| 2 | 5 | {4，9} |
| 3 | 5 | {1，6} |
| 4 | 10 | {3} |
| 5 | 10 | {4} |
| 6 | 10 | {8} |
| 7 | 20 | {3} |
| 8 | 20 | {4} |
| 9 | 20 | {8} |
Table 12TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 3)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {5，7，9} |
| 1 | reserved | reserved |
| 2 | 5 | {6，9} |
| 3 | 5 | {1，6} |
| 4 | 10 | {6} |
| 5 | 10 | {7} |
| 6 | 10 | {8} |
| 7 | 20 | {6} |
| 8 | 20 | {7} |
| 9 | 20 | {8} |
Table 13TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 4)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {4，6，8} |
| 1 | reserved | reserved |
| 2 | 5 | {4，8} |
| 3 | 5 | {5，9} |
| 4 | 10 | {4} |
| 5 | 10 | {6} |
| 6 | 10 | {7} |
| 7 | 20 | {4} |
| 8 | 20 | {6} |
| 9 | 20 | {7} |
[0141]Table 14TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 5)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {3，5，7，9}or{4，6，8} |
| 1 | 5 | {3，7} |
| 2 | 5 | {4，8} |
| 3 | 5 | {5，9} |
| 4 | 10 | {3} |
| 5 | 10 | {4} |
| 6 | 10 | {6} |
| 7 | 20 | {3} |
| 8 | 20 | {4} |
| 9 | 20 | {6} |
Table 15TDD measurement pilot frequency sub-frame configuration (up-downlink configuration 6)
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {1，5，9}or{1，6，9} |
| 1 | reserved | reserved |
| 2 | 5 | {5，9} |
| 3 | 5 | {1，6} |
| 4 | 10 | {9} |
| 5 | 10 | {5} |
| 6 | 10 | {1} |
| 7 | 20 | {9} |
| 8 | 20 | {5} |
| 9 | 20 | {1} |
Table 9-table 15 is a kind of situation of measurement pilot frequency sub-frame configuration just, and may there be other situations in real system, but has at least one identical feature with this form:
1) by configuration cycle and/or the definite subframe that sends measurement pilot frequency of subframe skew, the cycle that sends the subframe of measurement pilot frequency is a generalized concept, is not limited to uniformly-spaced send, and also can send for unequal interval.For example, the 2ms cycle: have at least three subframes to send measurement pilot frequency in the radio frames; The 5ms cycle: have two subframes to send measurement pilot frequency in the radio frames; The 10ms cycle: only have a subframe to send measurement pilot frequency in the radio frames.The 20ms cycle: only have a subframe to send measurement pilot frequency in two radio frames.
2) configuration cycle and in configuration cycle, how to send measurement pilot frequency and be not limited to above-mentioned 4 kinds of situations.
3) the subframe skew is paid the utmost attention to and all or repeatedly be the subframe of downstream arrangements under various tdd frame structure.But also there are following several special circumstances:
I. avoid the collision with other channels and pilot tone, as subframe 0 (PBCH/PSS/SSH place subframe) and subframe 5 (PSS/SSH place subframe) as far as possible;
Ii. do not get rid of subframe 5 and/or subframe 0 allocating and measuring pilot tone;
Iii. do not get rid of special time slot allocating and measuring pilot tone;
Iv. under every kind of cycle, find out 3 kinds of different subframes skews as far as possible.
2, the TDD base station is with frame structure and measurement pilot frequency subframe configuration information notice terminal.The measurement pilot frequency subframe configuration information can adopt high-level signaling or broadcast signaling, the Notification Method of recessiveness or dominance.
3, the TDD base station is according to frame structure, and other information (as subframe bias internal information, measurement pilot frequency sequence information etc.) of measurement pilot frequency sub-frame configuration and measurement pilot frequency configuration send measurement pilot frequency.But following measurement pilot frequency configuration subframe does not send measurement pilot frequency:
I. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
4, terminal obtains the measurement pilot frequency sub-frame configuration according to the frame structure and the measurement pilot frequency subframe configuration information of TDD base station side notice.And in the corresponding all or part of reception measurement pilot frequency of subframe.But following measurement pilot frequency configuration subframe receives measurement pilot frequency scarcely:
I. the DwPTS inadequate resource can't support measurement pilot frequency to send in the special time slot.
The measurement pilot frequency collocation method of FDD (frequency division multiplexing) system
1 each configuration cycle of embodiment is offset corresponding to a kind of subframe
1, a kind of measurement pilot frequency sub-frame configuration option is selected according to performance requirements in the FDD base station from measurement pilot frequency sub-frame configuration table (shown in table 16).Measurement pilot frequency sub-frame configuration table is preserved in the base station.
Table 16FDD measurement pilot frequency sub-frame configuration
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {1} |
| 1 | 5 | {1} |
| 2 | 10 | {1} |
| 3 | 20 | {1} |
Table 16 is a kind of situation of measurement pilot frequency sub-frame configuration just, and may there be other situations in real system, but has at least one identical point with this form:
1) PBCH (Physical broadcast channel is avoided in the subframe skew as far as possible, Physical Broadcast Channel)/SSH (secondary synchronization channel, auxiliary synchronization channel)/subframe at PSH (primary synchronization channel, primary synchronization channel) place.
I. situation about can't avoid is fully preferentially avoided the subframe at PBCH place.
2) configuration cycle is not limited to above-mentioned 4 kinds of situations.
2, the FDD base station is with measurement pilot frequency subframe configuration information notice terminal.The measurement pilot frequency subframe configuration information can adopt high-level signaling or broadcast signaling, the Notification Method of recessiveness or dominance.
3, the FDD base station sends measurement pilot frequency according to other information (as subframe bias internal information, measurement pilot frequency sequence information etc.) of measurement pilot frequency sub-frame configuration and measurement pilot frequency configuration.
4, terminal obtains the measurement pilot frequency sub-frame configuration according to the measurement pilot frequency subframe configuration information of FDD base station side notice, and in the corresponding all or part of reception measurement pilot frequency of subframe.
The corresponding a plurality of subframe skews of 2 each configuration cycle of embodiment
1, a kind of measurement pilot frequency sub-frame configuration option is selected according to performance requirements in the FDD base station from measurement pilot frequency sub-frame configuration table (shown in table 17).Measurement pilot frequency sub-frame configuration table is preserved in the base station.
Table 17FDD measurement pilot frequency sub-frame configuration
| Sub-frame configuration | Configuration cycle | The subframe skew |
| 0 | 2 | {1} |
| 1 | 5 | {1} |
| 2 | 5 | {2} |
| 3 | 5 | {3} |
| 4 | 10 | {1} |
| 5 | 10 | {2} |
| 6 | 10 | {3} |
| 7 | 20 | {1} |
| 8 | 20 | {2} |
| 9 | 20 | {3} |
Table 17 is a kind of situation of measurement pilot frequency sub-frame configuration just, and may there be other situations in real system, but has at least one identical point with this form:
1) subframe at PBCH/SSH/PSH place is avoided in the subframe skew as far as possible.
I. situation about can't avoid is fully preferentially avoided the subframe at PBCH place.
2) configuration cycle is not limited to above-mentioned 4 kinds of situations.
2, the FDD base station is with measurement pilot frequency subframe configuration information notice terminal.The measurement pilot frequency subframe configuration information can adopt high-level signaling or broadcast signaling, the Notification Method of recessiveness or dominance.
3, the FDD base station sends measurement pilot frequency according to other information (as subframe bias internal information, measurement pilot frequency sequence information etc.) of measurement pilot frequency sub-frame configuration and measurement pilot frequency configuration.
Terminal obtains the measurement pilot frequency sub-frame configuration according to the measurement pilot frequency subframe configuration information of FDD base station side notice, and in the corresponding all or part of reception measurement pilot frequency of subframe.
In sum,, design with relevant signaling, really realized the measurement pilot frequency cycle configuration of TDD system by the concrete scheme that provides the configuration of measurement pilot frequency cycle by above-mentioned at least one technical scheme of the present invention.Simultaneously, these schemes take into full account the precision of measurement, have optimized systematic function.The present invention can realize that LTE-A systematic survey pilot period sends, and has both guaranteed that the configuration of FDD and TDD systematic unity sent receiving course, has optimized the measurement pilot frequency allocative abilities of each system again respectively.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (36)
1. a measurement pilot frequency sending method is characterized in that, described method comprises:
A kind of measurement pilot frequency sub-frame configuration is selected in the base station from pre-configured measurement pilot frequency sub-frame configuration table, and periodically sends measurement pilot frequency according to described measurement pilot frequency sub-frame configuration in descending sub frame; And
Described base station is with described measurement pilot frequency subframe configuration information notice terminal.
2. method according to claim 1 is characterized in that, it is one of following that described measurement pilot frequency sub-frame configuration comprises at least: configuration cycle, corresponding to one or more subframes skews of described configuration cycle.
3. method according to claim 1 is characterized in that, described measurement pilot frequency subframe configuration information is the sequence number of described measurement pilot frequency sub-frame configuration correspondence.
4. according to each described method in the claim 1 to 3, it is characterized in that, be used under the situation of time division multiplex system in described measurement pilot frequency sending method, determine to send the subframe of measurement pilot frequency by the skew of described configuration cycle and/or described subframe, the cycle of the subframe of described transmission measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.
5. method according to claim 4 is characterized in that:
The described uniformly-spaced cycle is: by the initial subframe number of described subframe skew indicating downlink measurement pilot frequency, uniformly-spaced send according to described configuration cycle; And
The described unequal interval cycle is: by the subframe numbers of transmission downlink measurement pilot frequency in the one or more radio frames of described subframe skew indication, and send according to this configuration in subsequent subframe.
6. method according to claim 4 is characterized in that, the described unequal interval cycle one of comprises at least:
When described configuration cycle is 2ms, have at least three subframes to send measurement pilot frequency in the radio frames;
When described configuration cycle is 5ms, there are two subframes to send measurement pilot frequency in the radio frames;
When described configuration cycle is 10ms, only there is a subframe to send measurement pilot frequency in the radio frames;
When described configuration cycle is 20ms, only there is a subframe to send measurement pilot frequency in two radio frames; And
When described configuration cycle is 30ms, only there is a subframe to send measurement pilot frequency in three radio frames.
7. method according to claim 4 is characterized in that, according to priority orders, the subframe of described transmission measurement pilot frequency is configured to: the subframe, subframe 5, subframe 0, the special time slot that only are used for the transmitting physical DSCH Downlink Shared Channel.
8. method according to claim 4 is characterized in that, the measurement pilot frequency configuration in the described measurement pilot frequency sub-frame configuration table is corresponding one by one or uncorrelated with frame structure.
9. according to each described method in the claim 1 to 3, it is characterized in that, be used under the situation of Frequency Division Multiplexing system in described measurement pilot frequency sending method, by described configuration cycle and/or the definite subframe that sends measurement pilot frequency of described subframe skew, the subframe of described transmission measurement pilot frequency does not comprise Physical Broadcast Channel place subframe, primary synchronization channel place subframe and auxiliary synchronization channel place subframe.
10. method according to claim 9 is characterized in that, described configuration cycle comprise following one of at least: 2ms, 5ms, 10ms, 20ms, 30ms.
11. a measurement pilot frequency method of reseptance is characterized in that, described method comprises:
Terminal receives the measurement pilot frequency subframe configuration information that the base station sends;
Described terminal is determined corresponding measurement pilot frequency sub-frame configuration according to described measurement pilot frequency subframe configuration information and pre-configured measurement pilot frequency sub-frame configuration table, and determines to send the subframe of measurement pilot frequency according to determined measurement pilot frequency sub-frame configuration; And
Described terminal receives described measurement pilot frequency on determined subframe.
12. method according to claim 11 is characterized in that, it is one of following that described measurement pilot frequency sub-frame configuration comprises at least: configuration cycle, corresponding to one or more subframes skews of described configuration cycle.
13. method according to claim 11 is characterized in that, described measurement pilot frequency subframe configuration information is the sequence number of described measurement pilot frequency sub-frame configuration correspondence.
14. according to each described method in the claim 11 to 13, it is characterized in that, be used under the situation of time division multiplex system in described measurement pilot frequency sending method, determine to send the subframe of measurement pilot frequency by the skew of described configuration cycle and/or described subframe, the cycle of the subframe of described transmission measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.
15. method according to claim 14 is characterized in that:
The described uniformly-spaced cycle is: by the initial subframe number of described subframe skew indicating downlink measurement pilot frequency, uniformly-spaced send according to described configuration cycle; And
The described unequal interval cycle is: by the subframe numbers of transmission downlink measurement pilot frequency in the one or more radio frames of described subframe skew indication, and send according to this configuration in subsequent subframe.
16. method according to claim 14 is characterized in that, the subframe of described transmission measurement pilot frequency comprise following one of at least: the subframe, subframe 5, subframe 0, the special time slot that only are used for the transmitting physical DSCH Downlink Shared Channel.
17. method according to claim 14 is characterized in that, the measurement pilot frequency configuration in the described measurement pilot frequency sub-frame configuration table is corresponding one by one or uncorrelated with frame structure.
18. according to each described method in the claim 11 to 13, it is characterized in that, be used under the situation of Frequency Division Multiplexing system in described measurement pilot frequency sending method, by described configuration cycle and/or the definite subframe that sends measurement pilot frequency of described subframe skew, the subframe of described transmission measurement pilot frequency does not comprise Physical Broadcast Channel place subframe, primary synchronization channel place subframe and auxiliary synchronization channel place subframe.
19. a measurement pilot frequency dispensing device is characterized in that, described device comprises:
The measurement pilot frequency configuration module is used for putting in advance the measurement pilot frequency sub-frame configuration table that comprises one or more measurement pilot frequency sub-frame configuration;
The measurement pilot frequency sending module is selected a kind of measurement pilot frequency sub-frame configuration from described measurement pilot frequency sub-frame configuration table, and periodically sends measurement pilot frequency according to described measurement pilot frequency sub-frame configuration in descending sub frame; And
Information sending module is used for described measurement pilot frequency subframe configuration information notice terminal.
20. device according to claim 19 is characterized in that, it is one of following that described measurement pilot frequency sub-frame configuration comprises at least: configuration cycle, corresponding to one or more subframes skews of described configuration cycle.
21. method according to claim 20 is characterized in that, described measurement pilot frequency subframe configuration information is the sequence number of described measurement pilot frequency sub-frame configuration correspondence.
22. according to each described device in the claim 19 to 21, it is characterized in that, be used under the situation of time division multiplex system at described measurement pilot frequency dispensing device, determine to send the subframe of measurement pilot frequency by the skew of described configuration cycle and/or described subframe, the cycle of the subframe of described transmission measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.
23. device according to claim 22 is characterized in that:
The described uniformly-spaced cycle is: by the initial subframe number of described subframe skew indicating downlink measurement pilot frequency, uniformly-spaced send according to described configuration cycle; And
The described unequal interval cycle is: by the subframe numbers that sends downlink measurement pilot frequency in described subframe skew indication configuration cycle, periodically send according to configuration cycle.
24. device according to claim 22 is characterized in that, the described unequal interval cycle comprise following one of at least:
When described configuration cycle is 2ms, have at least three subframes to send measurement pilot frequency in the radio frames;
When described configuration cycle is 5ms, there are two subframes to send measurement pilot frequency in the radio frames;
When described configuration cycle is 10ms, only there is a subframe to send measurement pilot frequency in the radio frames;
When described configuration cycle is 20ms, only there is a subframe to send measurement pilot frequency in two radio frames; And
When described configuration cycle is 30ms, only there is a subframe to send measurement pilot frequency in three radio frames.
25. device according to claim 22 is characterized in that, according to priority orders, the subframe of described transmission measurement pilot frequency is configured to: the subframe, subframe 5, subframe 0, the special time slot that only are used to transmit PDSCH.
26. device according to claim 22 is characterized in that, the measurement pilot frequency configuration in the described measurement pilot frequency sub-frame configuration table is corresponding one by one or uncorrelated with frame structure.
27. according to each described device in the claim 19 to 21, it is characterized in that, be used under the situation of Frequency Division Multiplexing system at described measurement pilot frequency dispensing device, by described configuration cycle and/or the definite subframe that sends measurement pilot frequency of described subframe skew, the subframe of described transmission measurement pilot frequency does not comprise Physical Broadcast Channel place subframe, auxiliary synchronization channel place subframe and primary synchronization channel place subframe.
28. device according to claim 27 is characterized in that, described configuration cycle comprise following one of at least: 2ms, 5ms, 10ms, 20ms, 30ms.
29. a measurement pilot frequency receiving system is characterized in that, described device comprises:
Information receiving module is used to receive the measurement pilot frequency subframe configuration information that the base station sends;
The subframe determination module is used for determining the measurement pilot frequency sub-frame configuration according to described measurement pilot frequency subframe configuration information and pre-configured measurement pilot frequency sub-frame configuration table, and determines to send the subframe of measurement pilot frequency according to determined measurement pilot frequency sub-frame configuration; And
Receiver module is used for receiving described measurement pilot frequency on determined subframe.
30. device according to claim 29 is characterized in that, it is one of following that described measurement pilot frequency sub-frame configuration comprises at least: configuration cycle, corresponding to one or more subframes skews of described configuration cycle.
31. device according to claim 29 is characterized in that, described measurement pilot frequency subframe configuration information is the sequence number of described measurement pilot frequency sub-frame configuration correspondence.
32. according to each described device in the claim 29 to 31, it is characterized in that, be used under the situation of time division multiplex system in described measurement pilot frequency sending method, determine to send the subframe of measurement pilot frequency by the skew of described configuration cycle and/or described subframe, the cycle of the subframe of described transmission measurement pilot frequency is uniformly-spaced cycle and/or unequal interval cycle.
33. device according to claim 32 is characterized in that:
The described uniformly-spaced cycle is: by the initial subframe number of described subframe skew indicating downlink measurement pilot frequency, uniformly-spaced send according to described configuration cycle; And
The described unequal interval cycle is: by the subframe numbers of transmission downlink measurement pilot frequency in the one or more radio frames of described subframe skew indication, and send according to this configuration in subsequent subframe.
34. device according to claim 32 is characterized in that, the subframe of described transmission measurement pilot frequency comprise following one of at least: the subframe, subframe 5, subframe 0, the special time slot that only are used for the transmitting physical DSCH Downlink Shared Channel.
35. device according to claim 32 is characterized in that, the measurement pilot frequency configuration in the described measurement pilot frequency sub-frame configuration table is corresponding one by one or uncorrelated with frame structure.
36. according to each described device in the claim 29 to 31, it is characterized in that, be used under the situation of Frequency Division Multiplexing system in described measurement pilot frequency sending method, by described configuration cycle and/or the definite subframe that sends measurement pilot frequency of described subframe skew, the subframe of described transmission measurement pilot frequency does not comprise Physical Broadcast Channel place subframe, primary synchronization channel place subframe and auxiliary synchronization channel place subframe.
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210604 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |