CN108347320B - A kind of processing method and device of transmission power state transition time - Google Patents

A kind of processing method and device of transmission power state transition time Download PDF

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CN108347320B
CN108347320B CN201710060088.XA CN201710060088A CN108347320B CN 108347320 B CN108347320 B CN 108347320B CN 201710060088 A CN201710060088 A CN 201710060088A CN 108347320 B CN108347320 B CN 108347320B
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time
state
transition time
transmission
template
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CN108347320A (en
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任敏
韩祥辉
夏树强
石靖
张雯
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/0008—Wavelet-division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

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Abstract

本发明公开了一种发射功率状态转化时间的处理方法和装置。该方法包括：获取发送条件；判断当前是否满足所述发送条件，如果满足，获取对应的时间模板；使用所述时间模板发送数据符号和解调参考符号。本发明提供了超低时延下发射功率状态转化的解决方案。

Figure 201710060088

The invention discloses a method and a device for processing transmission power state transition time. The method includes: obtaining a sending condition; judging whether the sending condition is currently met, and if so, obtaining a corresponding time template; and using the time template to send data symbols and demodulation reference symbols. The present invention provides a solution for transmitting power state transition under ultra-low delay.

Figure 201710060088

Description

Method and device for processing transmission power state conversion time
Technical Field
The present invention relates to mobile communication network technologies, and in particular, to a method and an apparatus for processing transmit power state transition time.
Background
With the increasing improvement of the fourth Generation mobile communication technology (4G), Long Term Evolution (LTE, Long-Term Evolution)/Long Term Evolution advanced (LTE-Advance/LTE-a, Long-Term Evolution Advance) system, the requirement of the technical index for the next Generation mobile communication technology, i.e., the fifth Generation mobile communication technology (5G) is higher and higher. It is widely recognized in the industry that 5G will support higher rates (Gbps), massive links (1M/Km2), ultra-low latency (1ms), higher reliability, hundreds of times energy efficiency increase, etc. to support new demand changes. For the index of ultra-low delay in the 5G system, it is currently accepted that the user plane delay is 1 ms.
One method for effectively achieving ultra-low latency is to reduce the one-way link latency by multiple times by reducing the Transmission Time Interval (TTI) of the LTE system, so as to support the characteristic requirement of the 1ms air interface latency. At present, there are two methods for reducing TTI, one is to reduce the duration of a single OFDM symbol by expanding the subcarrier spacing of an OFDM (Orthogonal frequency-division multiplexing) system, and the method is involved in both a 5G high-frequency communication system and an ultra-dense network; another method is to reduce The TTI length by reducing The number of OFDM symbols in a Single TTI, as discussed in 3GPP (The 3rd Generation Partnership Project), for example, shortening The TTI to 1-7 OFDM symbols or SC-FDMA (Single-Carrier Frequency-Division Multiple Access) symbol length, which has The advantage of being fully compatible with existing LTE systems.
In the existing LTE system, the transition time of the transmission power state of the terminal transmitter includes a transition process of the transmitter power from an off state to an on state (the process takes about 20 μ s) and a transition process of the transmitter power from an on state to an off state (the process takes about 20 μ s). As the TTI length shortens, especially when the TTI equals 1 symbol, 1/14ms, 40 μ s will occupy approximately 60% of the TTI length. Therefore, a processing method for providing transmit power conversion time is needed to meet the requirements of ultra-low latency scenarios.
Disclosure of Invention
The invention aims to provide a method and a device for processing the conversion time of the transmitting power, which are suitable for the requirements of ultra-low time delay scenes.
In order to achieve the object of the present invention, the present invention provides a method for processing a transmit power state transition time, comprising:
acquiring a sending condition;
judging whether the sending condition is met currently, and if so, acquiring a corresponding time template;
and transmitting data symbols and demodulation reference symbols by using the time template.
Optionally, the obtaining the sending condition includes: acquiring the sending condition from system predefined information; or, the sending condition is obtained from configuration information of a network side.
Optionally, the sending condition at least includes one of:
a guard interval exists between the demodulation reference symbol and the data symbol in a time domain;
the transmission duration of the demodulation reference symbols is N symbols, where N is 1, the transmission duration of the data symbols is M symbols, and M is any integer between [1,3 ].
Optionally, the time template includes a first time template used for sending the demodulation reference symbol, and the first time template is:
setting a transmission power first state transition time before the starting time of the transmission duration of the demodulation reference symbols, and setting a transmission power second state transition time after the ending time of the transmission duration of the demodulation reference symbols;
or, the sum of the transmission power first state transition time and the time that the transmitter continuously operates at the rated transmission power is equal to the transmission duration of the demodulation reference symbol, and the transmission power second state transition time is set after the end time of the transmission duration of the demodulation reference symbol.
Optionally, the time template includes a first time template used for sending the demodulation reference symbol, and the first time template is:
at least one of a transmit power first state transition time and a transmit power second state transition time is included in a transmission duration of the demodulation reference symbols.
Optionally, the time template includes a second time template used for sending the data symbol, and the second time template is:
setting a transmission power first state transition time before the transmission duration starting time of the data symbol, and setting a transmission power second state transition time after the transmission duration ending time of the data symbol;
or the sum of the transmission power first state transition time and the time of the transmitter continuously working at the rated transmission power is equal to the transmission duration of the data symbol, and the transmission power second state transition time is arranged after the end time of the transmission duration of the data symbol.
Optionally, the time template includes a second time template used for sending the data symbol, and the second time template is:
at least one of a transmit power first state transition time and a transmit power second state transition time is included in a transmission duration of the data symbol.
Optionally, the first state transition time of the transmission power is:
a transition time of the transmission power from an off state to an on state; or a transition time of the transmit power from the first on state to the second on state.
Optionally, the second state transition time of the transmission power is:
a transition time of the transmit power from an on state to an off state; or a transition time of the transmit power from the first on state to the second on state.
Optionally, the transition time of the transmission power from the first on state to the second on state is: a transition time from the first on state to the second on state while the transmit power remains on.
An embodiment of the present invention further provides a device for processing a transmit power state transition time, including:
a transmission condition acquisition unit for acquiring a transmission condition;
the judging unit is used for judging whether the sending condition is met currently or not, and if the sending condition is met, acquiring a corresponding time template;
a transmitting unit, configured to transmit data symbols and demodulation reference symbols using the time template.
Optionally, the acquiring of the sending condition by the sending condition acquiring unit includes: acquiring the sending condition from system predefined information; or, the sending condition is obtained from configuration information of a network side.
Optionally, the sending condition at least includes one of:
a guard interval exists between the demodulation reference symbol and the data symbol in a time domain;
the transmission duration of the demodulation reference symbols is N symbols, N is 1, and the transmission duration of the data symbols is M symbols, wherein M is any integer between [1,3 ].
Optionally, the time template includes a first time template used for sending the demodulation reference symbol, and the first time template is:
setting a transmission power first state transition time before the starting time of the transmission duration of the demodulation reference symbols, and setting a transmission power second state transition time after the ending time of the transmission duration of the demodulation reference symbols;
or, the sum of the transmission power first state transition time and the time that the transmitter continuously operates at the rated transmission power is equal to the transmission duration of the demodulation reference symbol, and the transmission power second state transition time is set after the end time of the transmission duration of the demodulation reference symbol.
Optionally, the time template includes a first time template used for sending the demodulation reference symbol, and the first time template is:
at least one of a transmit power first state transition time and a transmit power second state transition time is included in a transmission duration of the demodulation reference symbols.
Optionally, the time template includes a second time template used for sending the data symbol, and the second time template is:
setting a transmission power first state transition time before the transmission duration starting time of the data symbol, and setting a transmission power second state transition time after the transmission duration ending time of the data symbol;
or, the sum of the transmission power first state transition time and the time that the transmitter continuously operates at the rated transmission power is equal to the transmission duration of the data symbol, and the transmission power second state transition time is set after the end time of the transmission duration of the data symbol;
optionally, the time template includes a second time template used for sending the data symbol, and the second time template is:
at least one of a transmit power first state transition time and a transmit power second state transition time is included in a transmission duration of the data symbol.
Optionally, the first state transition time of the transmission power is:
the transition time of the transmitting power from the off state to the on state; or a transition time of the transmit power from the first on state to the second on state.
Optionally, the second state transition time of the transmission power is:
a transition time of the transmit power from an on state to an off state; or a transition time of the transmit power from the first on state to the second on state.
Optionally, the transition time of the transmission power from the first on state to the second on state is: a transition time from the first on state to the second on state while the transmit power remains on.
An embodiment of the present invention further provides a device for processing a transmit power state transition time, including: a memory and a processor, the memory for storing a state transition program that when read executed by the processor performs the following operations:
acquiring a sending condition;
judging whether the sending condition is met currently, and if so, acquiring a corresponding time template;
and transmitting data symbols and demodulation reference symbols by using the time template.
Optionally, the sending condition at least includes one of:
a guard interval exists between the demodulation reference symbol and the data symbol in a time domain;
the transmission duration of the demodulation reference symbols is N symbols, where N is 1, the transmission duration of the data symbols is M symbols, and M is any integer between [1,3 ].
Optionally, the time template includes a first time template used for sending the demodulation reference symbol, and the first time template is:
setting a transmission power first state transition time before the starting time of the transmission duration of the demodulation reference symbols, and setting a transmission power second state transition time after the ending time of the transmission duration of the demodulation reference symbols;
or, the sum of the transmission power first state transition time and the time that the transmitter continuously operates at the rated transmission power is equal to the transmission duration of the demodulation reference symbol, and the transmission power second state transition time is set after the end time of the transmission duration of the demodulation reference symbol.
Optionally, the time template includes a second time template used for sending the data symbol, and the second time template is:
setting a transmission power first state transition time before the transmission duration starting time of the data symbol, and setting a transmission power second state transition time after the transmission duration ending time of the data symbol;
or, the sum of the transmission power first state transition time and the time that the transmitter continuously operates at the rated transmission power is equal to the transmission duration of the data symbol, and the transmission power second state transition time is set after the end time of the transmission duration of the data symbol.
The invention provides a processing method of transmission power state conversion time, wherein a terminal sends a demodulation reference symbol and sends a data symbol with a guard interval in a time domain, the transmission duration of the carrying demodulation reference symbol is N symbols, N is 1, the transmission duration of the carrying data symbol is M symbols, and M is any integer between [1 and 3], a corresponding time template is provided to finish the sending mode of the demodulation reference symbol and the data symbol with the guard interval in the time domain, and the problem that the efficiency of effectively transmitting uplink data is reduced at a highest speed because the terminal transmission power state conversion time occupies too much data carrying time when the length of the transmission time interval is shortened can be solved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of a method for processing transmit power state transition time in accordance with an embodiment of the present invention;
FIGS. 2(a) -2 (g) are schematic diagrams of a first time template and a second time template when the TTI length is 2 symbols in the embodiment of the present invention;
FIGS. 3(a) -3 (b) are schematic diagrams illustrating combinations of transmission power and first state transition time when the TTI length is 2 symbols in the embodiment of the present invention;
FIGS. 4(a) -4 (b) are schematic diagrams illustrating combinations of transmission power and second state transition time when the TTI length is 2 symbols in the embodiment of the present invention;
fig. 5 is a block diagram of a processing apparatus for transmit power state transition time according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Fig. 1 is a flowchart of a method for processing a transmit power state transition time according to an embodiment of the present invention, and as shown in fig. 1, the method for processing a transmit power state transition time according to an embodiment of the present invention includes:
s11, acquiring sending conditions;
the sending condition is predefined by a system and/or configured by a network side, and the terminal acquires the sending condition from system predefined information or acquires the sending condition from configuration information of the network side.
The transmission condition includes at least one of:
a guard interval exists between the demodulation reference symbol and the data symbol in a time domain;
the transmission duration for carrying the demodulation reference symbols is N symbols, where N is 1, the transmission duration for carrying the data symbols is M symbols, and M is any integer between [1,3 ].
S12, judging whether the sending condition is satisfied at present, if so, acquiring a corresponding time template;
wherein the time template is the variation of the transmitting power of the transmitter in the time domain. The transmitter performs state conversion according to the time template. For example, the transmitter may be configured according to a time template from off to on, on to off, at a nominal power, varying from one transmit power to another, and so forth. The time template may be plural, and different time templates may be set in different cases.
Wherein the time pattern comprises a first time pattern for transmitting the demodulation reference symbols and a second time pattern for transmitting the data symbols.
And S13, transmitting the data symbols and the demodulation reference symbols by using the time template.
In an embodiment of the present invention, the first time template is:
setting a transmission power first state transition time before the transmission duration starting time of the demodulation reference symbol, and setting a transmission power second state transition time after the transmission duration ending time of the demodulation reference symbol;
or the sum of the transmission power first state transition time and the time of continuous operation at the rated transmission power is equal to the transmission duration of the demodulation reference symbol, and the transmission power second state transition time is set after the end time of the transmission duration of the demodulation reference symbol;
further, at least one of the transmission power first state transition time and the transmission power second state transition time is included in the transmission duration of the current demodulation reference symbol.
In an embodiment of the present invention, the second time template is:
the first state transition time of the transmitting power is set before the starting time of the data symbol, and the second state transition time of the transmitting power is set after the ending time of the data symbol;
or, the sum of the transmission power first state transition time and the time that the transmitter continuously operates at the rated transmission power is equal to the transmission duration of the data symbol, and the transmission power second state transition time is set after the end time of the transmission duration of the data symbol;
further, at least one of the transmit power second state transition time and the transmit power second state transition time is included in a transmission duration of the current data symbol.
Wherein the first state transition time of the transmission power is as follows:
a transition time of the transmission power from an off state to an on state; or a transition time of the transmit power from the first on state to the second on state.
Wherein the second state transition time of the transmission power is:
a transition time of the transmit power from an on state to an off state; or a transition time of the transmit power from the first on state to the second on state.
In an embodiment of the present invention, a transition time of the transmission power from the first on state to the second on state is: the transmission power remains on for a transition time from a first on state to a second on state. I.e. the transmitter is always on during the conversion. The terminal transmit power conversion time template in the following embodiments is applicable to, but not limited to, a PUSCH (Physical Uplink Shared Channel) or a PUCCH (Physical Uplink Control Channel) with a shortened TTI length.
Example one
The present embodiment provides a first time pattern of demodulation reference symbols and a second time pattern of data symbols for the terminal when the transmission duration of demodulation reference symbols is equal to one symbol and the transmission duration of data symbols is equal to two symbols.
Fig. 2(a) is a schematic diagram of a first time pattern of demodulation reference symbols and a second time pattern of data symbols according to a first embodiment of the present invention. As shown in fig. 2(a), the first time template provided by this embodiment is: the terminal transmission power first state transition time is before the current demodulation reference symbol starting time, and the transmission power second state transition time is set after the current demodulation reference symbol ending time. The terminal operates continuously at the nominal transmission power value for a time equal to the duration interval of the current demodulation reference symbol.
As shown in fig. 2(a), the second time template provided by this embodiment is: the terminal transmission power first state transition time is completed before the starting time of the transmission duration of the current data symbol, namely the rated transmission power value of the terminal transmitter is reached at the beginning of TTI, and the terminal transmission power second state transition time is the power transition started at the end of the transmission duration of the current data symbol, and the time of the terminal continuously working at the rated transmission power value is equal to the transmission duration of the current data symbol.
In the background, the transmit power state transition time is about 20 μ s, when the demodulation reference symbol is 1 symbol, i.e., 1/14ms is about 71 μ s, then 20 μ s of time is saved for transmitting data when the transmit power reaches the nominal value and is completed before the demodulation reference symbol starts to be transmitted, and 20 μ s of time is saved when the transmit power completes the second state transition after the demodulation reference symbol starts to be transmitted. This is a very effective way to improve the data transmission efficiency for a duration of only 71 μ s in total for the transmission duration of the demodulation reference symbols.
Similarly, the transmit power conversion time state of the data symbol is set outside the transmission duration of the data symbol, and the duration of the transmission duration of the current data symbol is used to transmit data, which is a very effective way to improve the data transmission efficiency for data transmission.
The time pattern of the data symbols shown in fig. 2(a) is applicable not only to 2 symbols but also to 1 or 3 symbols or the like of the data symbols.
As shown in fig. 2(a), the power conversion of the terminal transmission power does not occupy any time for carrying data, so that the data transmission efficiency can be effectively improved.
Example two
The present embodiment provides a first time pattern of demodulation reference symbols and a second time pattern of data symbols for the terminal when the transmission duration of demodulation reference symbols is equal to one symbol and the transmission duration of data symbols is equal to two symbols. Fig. 2(b) is a schematic diagram of a first time template of demodulation reference symbols and a second time template of data symbols according to a second embodiment of the present invention. As shown in fig. 2(b), the first time template and the second time template of the present embodiment are respectively:
the terminal transmitting power of the first time template, the first state transition time and the second state transition time are both completed outside the transmission duration of the demodulation reference symbols;
the second time template is: the sum of the first state transition time of the transmission power and the time that the transmitter continuously operates at the rated transmission power is equal to the transmission duration of the current data symbol, and the second state transition time of the transmission power is performed after the end time of the transmission duration of the current data symbol, namely after the transmission duration of the current data symbol.
The processing manner of the second time template can make the interference generated in the process of converting the transmission power in the transmission duration of different data symbols exist in a Cyclic Prefix (CP) at the beginning of the transmission duration of each data symbol, and the influence of the interference can be reduced to a certain extent.
EXAMPLE III
The present embodiment provides a first time pattern of demodulation reference symbols and a second time pattern of data symbols for the terminal when the transmission duration of demodulation reference symbols is equal to one symbol and the transmission duration of data symbols is equal to two symbols. Fig. 2(c) is a schematic diagram of a first time pattern of demodulation reference symbols and a second time pattern of data symbols according to a third embodiment of the present invention. As shown in fig. 2(c), when the terminal transmit power of the first time template, the first state transition time and the second state transition time are both completed outside the demodulation reference symbol transmission duration:
the second time template is: the sum of the time during which the transmitter operates continuously at the nominal transmission power and the second state transition time of the transmission power is equal to the transmission duration of the current data symbol, and the first state transition time of the transmission power is completed before the transmission duration of the current data symbol begins, i.e. the nominal transmission power value of the terminal transmitter has been reached at the beginning of the transmission duration of the data symbol.
Such a processing of the second time template may reduce the impact of the first state transition time on the effective data carrying time.
Example four
The present embodiment provides a first time pattern of demodulation reference symbols and a second time pattern of data symbols for the terminal when the transmission duration of demodulation reference symbols is equal to one symbol and the transmission duration of data symbols is equal to two symbols. Fig. 2(d) is a schematic diagram of a first time pattern of demodulation reference symbols and a second time pattern of data symbols according to a fourth embodiment of the present invention. As shown in fig. 2(d), when the terminal transmit power of the first time template, the first state transition time and the second state transition time are both completed outside the demodulation reference symbol transmission duration:
the second time template is: the sum of the transmission power first state transition time, the time that the transmitter continuously operates at the rated transmission power and the transmission power second state transition time is equal to the transmission duration of the current data symbol.
The second time pattern of data symbols shown in fig. 2(d) may maximize the reduction of power-up and/or power-down interference between transmission durations of different data symbols, between different users, and between different information.
EXAMPLE five
The present embodiment provides a first time pattern of demodulation reference symbols and a second time pattern of data symbols for the terminal when the transmission duration of demodulation reference symbols is equal to one symbol and the transmission duration of data symbols is equal to two symbols. Fig. 2(e) is a schematic diagram of a first time template of a demodulation reference symbol according to a fifth embodiment of the present invention. As shown in fig. 2(e), the first time template is: the sum of the first state transition time of the terminal transmitting power and the time of continuously working at the rated transmitting power is equal to the transmission duration of the current demodulation reference symbol, and the second state transition time of the transmitting power is arranged after the end time of the transmission duration of the current demodulation reference symbol.
The processing mode of the first time template can enable interference generated in the transmission power conversion process in different symbols to exist in a Cyclic Prefix (CP) at the beginning of the current symbol, and the influence of the interference can be reduced to a certain extent.
Based on the power conversion method of the first time template, the transmission power conversion method of the second time template may be any one of embodiments one to four, please refer to the related descriptions in embodiments one to four, and details are not repeated herein.
EXAMPLE six
The present embodiment provides a first time pattern of demodulation reference symbols and a second time pattern of data symbols for the terminal when the transmission duration of demodulation reference symbols is equal to one symbol and the transmission duration of data symbols is equal to two symbols. Fig. 2(f) is a schematic diagram of a first time template of a demodulation reference symbol according to a sixth embodiment of the present invention. As shown in fig. 2(f), the first time template is: the sum of the time of continuous operation at the rated transmission power and the second state transition time of the transmission power is equal to the transmission duration of the current demodulation reference symbol. The transmission power first state transition time is completed before the transmission duration of the current demodulation reference symbol, and the rated transmission power value of the terminal transmitter is reached at the beginning of the transmission duration of the demodulation reference symbol.
Such processing of the first time template may reduce the impact of the first state transition time on the effective data-bearing time.
Based on the power conversion method of the first time template in this embodiment, the power conversion method of the second time template may be any one of embodiments one to four, please refer to the related description in embodiments one to four, and details are not repeated here.
EXAMPLE seven
The present embodiment provides a first time pattern of demodulation reference symbols and a second time pattern of data symbols for the terminal when the transmission duration of demodulation reference symbols is equal to one symbol and the transmission duration of data symbols is equal to two symbols. Fig. 2(f) is a schematic diagram of a first time template of a demodulation reference symbol according to a sixth embodiment of the present invention. As shown in fig. 2(g), the first time template is: the sum of the transmission power first state transition time, the time of continuous operation at the rated transmission power and the transmission power second state transition time is equal to the transmission duration of the current demodulation reference symbol.
The first time pattern of demodulation reference symbols shown in fig. 2(g) may maximize the reduction of power-up and/or power-down interference between different symbols, between different users, and between different information.
Based on the power conversion method of the first time template in this embodiment, the power conversion method of the second time template may be any one of embodiments one to four, please refer to the description related to embodiments one to four, and details are not repeated herein.
Example eight
The present embodiment provides a component of the first state transition time of the transmission power of the demodulation reference symbol and the data symbol of the terminal when the transmission duration of the demodulation reference symbol is equal to one symbol and the transmission duration of the data symbol is equal to two symbols. Fig. 3(a) and fig. 3(b) are diagrams illustrating eighth first-state transition times according to an embodiment of the present invention.
As shown in fig. 3(a), in this embodiment, the transition time of the first state of the transmission power refers to the transition time of the transmission power of the terminal from the off state to the on state.
The state from off to on includes the processing modes when the current TTI and the previous TTI or the current symbol and the previous symbol are different users.
As shown in fig. 3(b), the transition time of the first state of the transmission power may be a transition time of the transmission power of the terminal from one on state (transmission power P1) to another on state (transmission power P2). The Power change of the two ON (ON) states is caused by a change of a modulation order, a change of a resource allocation region, a Transmission Power Control (TPC) command, frequency hopping, and the like.
From the on state with the transmission power of P1 to the on state with the transmission power of P2, different information is included between the current TTI and the previous TTI or between the current symbol and the previous symbol of the same user.
Example nine
The present embodiment provides a component of the second state transition time of the transmission power of the demodulation reference symbols and the data symbols of the terminal when the transmission duration of the demodulation reference symbols is equal to one symbol and the transmission duration of the data symbols is equal to two symbols. Fig. 4(a) and fig. 4(b) are diagrams illustrating a ninth second state transition time according to an embodiment of the present invention.
As shown in fig. 4(a), the transition time of the second state of the transmission power refers to the transition time of the transmission power of the terminal from the on state to the off state.
The on-state to the off-state includes a processing mode when a current TTI and a previous TTI or a current symbol and a previous symbol are different users.
As shown in fig. 4(b), the transition time of the second state of the transmission power may be a transition time of the transmission power of the terminal from one on state (transmission power P1) to another on state (transmission power P2). The change of the power of the two ON states is caused by a change of the modulation order, or a change of the resource allocation area, or a transmission power control TPC command, frequency hopping, etc.
From the on state with the transmission power of P1 to the on state with the transmission power of P2, different information is included between the current TTI and the previous TTI or between the current symbol and the previous symbol of the same user.
The duration of the demodulation reference symbols mentioned in embodiments one to nine is 1 symbol, and the duration of the data symbols is 1 or 2 or 3 symbols.
An embodiment of the present invention further provides a device for processing a transmit power state transition time, as shown in fig. 5, including:
a transmission condition acquisition unit 501 for acquiring a transmission condition;
a judging unit 502, configured to judge whether the sending condition is currently met, and if so, obtain a corresponding time template;
a sending unit 503, configured to send the data symbols and the demodulation reference symbols using the time template.
Optionally, the sending condition obtaining unit 501 is configured to obtain the sending condition from system predefined information; or, the sending condition is obtained from configuration information of a network side. For the specific content of the sending condition and the specific details of the time template, refer to the method embodiment, and are not described herein again.
An embodiment of the present invention further provides a device for processing a transmit power state transition time, including: a memory and a processor, the memory for storing a state transition program that when read executed by the processor performs the following operations:
acquiring a sending condition;
judging whether the sending condition is met currently, and if so, acquiring a corresponding time template;
and transmitting data symbols and demodulation reference symbols by using the time template.
Embodiments of the present invention further provide a computer-readable storage medium, where the computer-readable storage medium stores instructions that, when executed, perform the following operations:
acquiring a sending condition;
judging whether the sending condition is met currently, and if so, acquiring a corresponding time template;
and transmitting data symbols and demodulation reference symbols by using the time template.
The processing device for the transmission power state transition time is implemented in the form of a software functional unit and can be stored in a computer readable storage medium when being sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing the relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the above embodiments may be implemented using one or more integrated circuits. Accordingly, each module/unit in the above embodiments may be implemented in the form of hardware, and may also be implemented in the form of a software functional module. The present invention is not limited to any specific form of combination of hardware and software.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (21)

1.一种发射功率状态转化时间的处理方法，其特征在于，包括：1. a processing method of transmission power state transition time, is characterized in that, comprises: 获取发送条件；Get sending conditions; 判断当前是否满足所述发送条件，如果满足，获取对应的时间模板；Judging whether the current sending conditions are met, and if so, obtaining the corresponding time template; 使用所述时间模板发送数据符号和解调参考符号；sending data symbols and demodulation reference symbols using the time template; 所述发送条件至少包括以下之一：The sending conditions include at least one of the following: 所述解调参考符号与所述数据符号在时间域上存在保护间隔；There is a guard interval in the time domain between the demodulation reference symbol and the data symbol; 所述解调参考符号的传输持续时间是N个符号，所述N为1，所述数据符号的传输持续时间是M个符号，所述M为[1,3]之间的任意整数。The transmission duration of the demodulation reference symbol is N symbols, where N is 1, and the transmission duration of the data symbol is M symbols, where M is any integer between [1, 3]. 2.如权利要求1所述的方法，其特征在于，所述获取发送条件包括：从系统预定义信息中获取所述发送条件；或者，从网络侧的配置信息中获取所述发送条件。2 . The method according to claim 1 , wherein the obtaining the sending conditions comprises: obtaining the sending conditions from system predefined information; or obtaining the sending conditions from configuration information on the network side. 3 . 3.如权利要求1所述的方法，其特征在于，所述时间模板包括用于发送所述解调参考符号的第一时间模板，所述第一时间模板为：3. The method of claim 1, wherein the time template comprises a first time template for sending the demodulation reference symbols, and the first time template is: 发射功率第一状态转化时间设置在所述解调参考符号传输持续时间开始时刻之前，发射功率第二状态转化时间设置在所述解调参考符号的传输持续时间结束时刻之后；The first state transition time of the transmission power is set before the start time of the transmission duration of the demodulation reference symbol, and the second state transition time of the transmission power is set after the end time of the transmission duration of the demodulation reference symbol; 或者，所述发射功率第一状态转化时间和发射机以额定发射功率持续工作的时间之和等于所述解调参考符号的传输持续时间，所述发射功率第二状态转化时间设置在所述解调参考符号的传输持续时间结束时刻之后。Alternatively, the sum of the transition time of the first state of the transmission power and the time that the transmitter continues to work at the rated transmission power is equal to the transmission duration of the demodulation reference symbol, and the transition time of the second state of the transmission power is set at the time of the solution. After the end time of the transmission duration of the tune reference symbol. 4.如权利要求1所述的方法，其特征在于，所述时间模板包括用于发送所述解调参考符号的第一时间模板，所述第一时间模板为：4. The method of claim 1, wherein the time template comprises a first time template for sending the demodulation reference symbols, and the first time template is: 发射功率第一状态转化时间和发射功率第二状态转化时间至少有一个包括在所述解调参考符号的传输持续时间内。At least one of the transmission power first state transition time and the transmission power second state transition time is included in the transmission duration of the demodulation reference symbol. 5.如权利要求1所述的方法，其特征在于，所述时间模板包括用于发送所述数据符号的第二时间模板，所述第二时间模板为：5. The method of claim 1, wherein the time template comprises a second time template for sending the data symbols, and the second time template is: 发射功率第一状态转化时间设置在所述数据符号的传输持续时间开始时刻之前，发射功率第二状态转化时间设置在所述数据符号的传输持续时间结束时刻之后；The first state transition time of the transmission power is set before the start time of the transmission duration of the data symbol, and the second state transition time of the transmission power is set after the end time of the transmission duration of the data symbol; 或者，所述发射功率第一状态转化时间和发射机以额定发射功率持续工作的时间之和等于所述数据符号的传输持续时间，所述发射功率第二状态转化时间设置在所述数据符号的传输持续时间结束时刻之后。Alternatively, the sum of the transition time of the first state of the transmission power and the time that the transmitter continues to work at the rated transmission power is equal to the transmission duration of the data symbol, and the transition time of the second state of the transmission power is set at the time of the data symbol. After the transmission duration end time. 6.如权利要求1所述的方法，其特征在于，所述时间模板包括用于发送所述数据符号的第二时间模板，所述第二时间模板为：6. The method of claim 1, wherein the time template comprises a second time template for sending the data symbols, and the second time template is: 发射功率第一状态转化时间和发射功率第二状态转化时间至少有一个包括在所述数据符号的传输持续时间内。At least one of the transmit power first state transition time and the transmit power second state transition time is included in the transmission duration of the data symbol. 7.如权利要求3至6任一所述的方法，其特征在于，所述发射功率第一状态转化时间为：7. The method according to any one of claims 3 to 6, wherein the first state transition time of the transmit power is: 发射功率从关闭状态到开启状态的转化时间；或者，所述发射功率从第一开启状态到第二开启状态的转化时间。The transition time of the transmit power from the off state to the on state; or, the transition time of the transmit power from the first on state to the second on state. 8.如权利要求3至6任一所述的方法，其特征在于，所述发射功率第二状态转化时间为：8. The method according to any one of claims 3 to 6, wherein the second state transition time of the transmit power is: 发射功率从开启状态到关闭状态的转化时间；或者，所述发射功率从第一开启状态到第二开启状态的转化时间。Transition time of the transmit power from the ON state to the OFF state; or, the transition time of the transmit power from the first ON state to the second ON state. 9.如权利要求8所述的方法，其特征在于，所述发射功率从第一开启状态到第二开启状态的转化时间为：所述发射功率保持开启状态下，从所述第一开启状态到所述第二开启状态的转化时间。9 . The method according to claim 8 , wherein the transition time of the transmit power from the first on state to the second on state is: when the transmit power remains on, from the first on state The transition time to the second open state. 10.一种发射功率状态转化时间的处理装置，其特征在于，包括：10. A processing device for transmitting power state transition time, characterized in that, comprising: 发送条件获取单元，用于获取发送条件；The sending condition obtaining unit is used to obtain sending conditions; 判断单元，用于判断当前是否满足所述发送条件，如果满足，获取对应的时间模板；a judging unit for judging whether the current sending conditions are met, and if so, obtaining a corresponding time template; 发送单元，用于使用所述时间模板发送数据符号和解调参考符号；a sending unit, configured to send data symbols and demodulation reference symbols using the time template; 所述发送条件至少包括以下之一：The sending conditions include at least one of the following: 所述解调参考符号与所述数据符号在时间域上存在保护间隔；There is a guard interval in the time domain between the demodulation reference symbol and the data symbol; 所述解调参考符号的传输持续时间是N个符号，所述N为1和所述数据符号的传输持续时间是M个符号，所述M为[1,3]之间的任意整数。The transmission duration of the demodulation reference symbol is N symbols, where N is 1, and the transmission duration of the data symbol is M symbols, where M is any integer between [1, 3]. 11.如权利要求10所述的装置，其特征在于，所述发送条件获取单元获取发送条件包括：从系统预定义信息中获取所述发送条件；或者，从网络侧的配置信息中获取所述发送条件。11 . The apparatus according to claim 10 , wherein the obtaining the sending condition by the sending condition obtaining unit comprises: obtaining the sending condition from system predefined information; or obtaining the sending condition from configuration information on the network side. 12 . Send conditions. 12.如权利要求10所述的装置，其特征在于，12. The apparatus of claim 10, wherein 所述时间模板包括用于发送所述解调参考符号的第一时间模板，所述第一时间模板为：The time template includes a first time template for sending the demodulation reference symbols, and the first time template is: 发射功率第一状态转化时间设置在所述解调参考符号传输持续时间开始时刻之前，发射功率第二状态转化时间设置在所述解调参考符号的传输持续时间结束时刻之后；The first state transition time of the transmission power is set before the start time of the transmission duration of the demodulation reference symbol, and the second state transition time of the transmission power is set after the end time of the transmission duration of the demodulation reference symbol; 或者，所述发射功率第一状态转化时间和发射机以额定发射功率持续工作的时间之和等于所述解调参考符号的传输持续时间，所述发射功率第二状态转化时间设置在所述解调参考符号的传输持续时间结束时刻之后。Alternatively, the sum of the transition time of the first state of the transmission power and the time that the transmitter continues to work at the rated transmission power is equal to the transmission duration of the demodulation reference symbol, and the transition time of the second state of the transmission power is set at the After the end time of the transmission duration of the tune reference symbol. 13.如权利要求10所述的装置，其特征在于，所述时间模板包括用于发送所述解调参考符号的第一时间模板，所述第一时间模板为：13. The apparatus of claim 10, wherein the time template comprises a first time template for sending the demodulation reference symbols, and the first time template is: 发射功率第一状态转化时间和发射功率第二状态转化时间至少有一个包括在所述解调参考符号的传输持续时间内。At least one of the transmission power first state transition time and the transmission power second state transition time is included in the transmission duration of the demodulation reference symbol. 14.如权利要求10所述的装置，其特征在于，所述时间模板包括用于发送所述数据符号的第二时间模板，所述第二时间模板为：14. The apparatus of claim 10, wherein the time template comprises a second time template for sending the data symbols, and the second time template is: 发射功率第一状态转化时间设置在所述数据符号的传输持续时间开始时刻之前，发射功率第二状态转化时间设置在所述数据符号的传输持续时间结束时刻之后；The first state transition time of the transmission power is set before the start time of the transmission duration of the data symbol, and the second state transition time of the transmission power is set after the end time of the transmission duration of the data symbol; 或者，所述发射功率第一状态转化时间和发射机以额定发射功率持续工作的时间之和等于所述数据符号的传输持续时间，所述发射功率第二状态转化时间设置在所述数据符号的传输持续时间结束时刻之后。Alternatively, the sum of the first state transition time of the transmission power and the time that the transmitter continues to work at the rated transmission power is equal to the transmission duration of the data symbol, and the transmission power second state transition time is set at the time of the data symbol. After the transmission duration end time. 15.如权利要求10所述的装置，其特征在于，所述时间模板包括用于发送所述数据符号的第二时间模板，所述第二时间模板为：15. The apparatus of claim 10, wherein the time template comprises a second time template for sending the data symbols, and the second time template is: 发射功率第一状态转化时间和发射功率第二状态转化时间至少有一个包括在所述数据符号的传输持续时间内。At least one of the transmit power first state transition time and the transmit power second state transition time is included in the transmission duration of the data symbol. 16.如权利要求12至15任一所述的装置，其特征在于，所述发射功率第一状态转化时间为：16. The apparatus according to any one of claims 12 to 15, wherein the transition time of the first state of the transmit power is: 发射功率从关闭状态到开启状态的转化时间；或者，所述发射功率从第一开启状态到第二开启状态的转化时间。The transition time of the transmit power from the off state to the on state; or, the transition time of the transmit power from the first on state to the second on state. 17.如权利要求12至15任一所述的装置，其特征在于，所述发射功率第二状态转化时间为：17. The apparatus according to any one of claims 12 to 15, wherein the transition time of the second state of the transmit power is: 发射功率从开启状态到关闭状态的转化时间；或者，所述发射功率从第一开启状态到第二开启状态的转化时间。Transition time of the transmit power from the ON state to the OFF state; or, the transition time of the transmit power from the first ON state to the second ON state. 18.如权利要求17所述的装置，其特征在于，所述发射功率从第一开启状态到第二开启状态的转化时间为：所述发射功率保持开启状态下，从所述第一开启状态到所述第二开启状态的转化时间。18. The apparatus of claim 17, wherein the transition time of the transmit power from the first on state to the second on state is: when the transmit power remains on, from the first on state The transition time to the second open state. 19.一种发射功率状态转化时间的处理装置，其特征在于，包括：存储器和处理器，所述存储器用于存储状态转化程序，所述状态转化程序在被所述处理器读取执行时，执行以下操作：19. A processing device for transmitting power state transition time, comprising: a memory and a processor, wherein the memory is used to store a state transition program, and when the state transition program is read and executed by the processor, Do the following: 获取发送条件；Get sending conditions; 判断当前是否满足所述发送条件，如果满足，获取对应的时间模板；Judging whether the current sending conditions are met, and if so, obtaining the corresponding time template; 使用所述时间模板发送数据符号和解调参考符号；sending data symbols and demodulation reference symbols using the time template; 所述发送条件至少包括以下之一：The sending conditions include at least one of the following: 所述解调参考符号与所述数据符号在时间域上存在保护间隔；There is a guard interval in the time domain between the demodulation reference symbol and the data symbol; 所述解调参考符号的传输持续时间是N个符号，所述N为1，所述数据符号的传输持续时间是M个符号，所述M为[1,3]之间的任意整数。The transmission duration of the demodulation reference symbol is N symbols, where N is 1, and the transmission duration of the data symbol is M symbols, where M is any integer between [1, 3]. 20.如权利要求19所述的装置，其特征在于，所述时间模板包括用于发送所述解调参考符号的第一时间模板，所述第一时间模板为：20. The apparatus of claim 19, wherein the time template comprises a first time template for sending the demodulation reference symbols, and the first time template is: 发射功率第一状态转化时间设置在所述解调参考符号传输持续时间开始时刻之前，发射功率第二状态转化时间设置在所述解调参考符号的传输持续时间结束时刻之后；The first state transition time of the transmission power is set before the start time of the transmission duration of the demodulation reference symbol, and the second state transition time of the transmission power is set after the end time of the transmission duration of the demodulation reference symbol; 或者，所述发射功率第一状态转化时间和发射机以额定发射功率持续工作的时间之和等于所述解调参考符号的传输持续时间，所述发射功率第二状态转化时间设置在所述解调参考符号的传输持续时间结束时刻之后。Alternatively, the sum of the transition time of the first state of the transmission power and the time that the transmitter continues to work at the rated transmission power is equal to the transmission duration of the demodulation reference symbol, and the transition time of the second state of the transmission power is set at the After the end time of the transmission duration of the tune reference symbol. 21.如权利要求19所述的装置，其特征在于，所述时间模板包括用于发送所述数据符号的第二时间模板，所述第二时间模板为：21. The apparatus of claim 19, wherein the time template comprises a second time template for sending the data symbols, and the second time template is: 发射功率第一状态转化时间设置在所述数据符号的传输持续时间开始时刻之前，发射功率第二状态转化时间设置在所述数据符号的传输持续时间结束时刻之后；The first state transition time of the transmission power is set before the start time of the transmission duration of the data symbol, and the second state transition time of the transmission power is set after the end time of the transmission duration of the data symbol; 或者，所述发射功率第一状态转化时间和发射机以额定发射功率持续工作的时间之和等于所述数据符号的传输持续时间，所述发射功率第二状态转化时间设置在所述数据符号的传输持续时间结束时刻之后。Alternatively, the sum of the first state transition time of the transmission power and the time that the transmitter continues to work at the rated transmission power is equal to the transmission duration of the data symbol, and the transmission power second state transition time is set at the time of the data symbol. After the transmission duration end time.
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