CN104639281A - Method, device and system for data transmission control - Google Patents

Method, device and system for data transmission control Download PDF

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Publication number
CN104639281A
CN104639281A CN201310562149.4A CN201310562149A CN104639281A CN 104639281 A CN104639281 A CN 104639281A CN 201310562149 A CN201310562149 A CN 201310562149A CN 104639281 A CN104639281 A CN 104639281A
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China
Prior art keywords
indication message
data
transmission mode
alternative types
filtering parameter
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Inventor
王宗杰
芮赟
卞鑫
李明齐
范叔炬
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201310562149.4A priority Critical patent/CN104639281A/en
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Abstract

The invention discloses a method, a device and a system for data transmission control and relates to the field of communications. The method, device and system is used for solving the problem that cost of communication equipment is increased due to the fact that different communication systems respectively adopts a set of complete communication equipment for data transmission in the prior art. The transmitting system for data transmission control comprises a transmitter and a controller, the transmitter comprises a transformation module and a filter module, the transformation module is used for performing transformation processing on an input symbolic sequence according to a transformation type set by the controller, the filter module is used for utilizing filter parameters set by the controller to perform filter processing on the symbolic sequence outputted by the transformation module, and the controller is used for setting the transformation type in the transformation module as a transformation type of one data transmission mode and setting the filter parameters in the filter module as filter parameters of the data transmission mode.

Description

A kind of method of control data transmission, Apparatus and system
Technical field
The present invention relates to the communications field, particularly relate to a kind of method of control data transmission, Apparatus and system.
Background technology
In a communication network, in order to enable multiple user access simultaneously, need to adopt multiple access technology.Conventional multiple access technology mainly contains: code division multiple access (Code Division Multiple Access, be called for short CDMA), frequency division multiple access (Frequency Division Multiple Access, be called for short FDMA), time division multiple access (Time Division Multiple Access, be called for short TDMA) etc., wherein, Wideband Code Division Multiple Access (WCDMA) based on CDMA accesses (Wide Code Division Multiple Access, be called for short WCDMA) technology and orthogonal frequency-time multiple access (the Orthogonal Frequency Division Multiple Access based on FDMA, be called for short OFDMA) technology respectively by the third generation and forth generation communication network adopt.
In the prior art, adopt the data transmission system of different multiple access technology to need to adopt the communication equipment of complete set to carry out transfer of data respectively, when an equipment will support multiple access technology simultaneously, need to dispose many complete equipments, the cost needed for it is higher.
Summary of the invention
Embodiments of the invention provide a kind of method, Apparatus and system of control data transmission, adopt the communication equipment of complete set to carry out the transmission of data and problem that the communication equipment cost that causes increases in order to solve in prior art respectively for different communication systems.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, embodiments provides a kind of emission system of control data transmission, comprising: transmitter and controller; Wherein, described transmitter comprises:
Conversion module, for the alternative types arranged according to described controller, carries out conversion process to the symbol sebolic addressing of input;
Filtration module, for the filtering parameter utilizing described controller to arrange, carries out filtering process to the symbol sebolic addressing that described conversion module exports;
Described controller, for the alternative types in described conversion module being set to a kind of alternative types of data-transmission mode, and is set to the filtering parameter of described data-transmission mode by the filtering parameter in described filtration module.
In the first possible implementation of first aspect, described filtering parameter comprises phase rotation coefficient;
Described filtration module comprises:
Phase rotation units, for the phase rotation coefficient utilizing described controller to arrange, carries out phase rotating to the symbol sebolic addressing that described conversion module exports;
First inverse Fourier transform unit, carries out inverse Fourier transform for the symbol sebolic addressing exported described phase rotation units.
In the implementation that the second of first aspect is possible, described filtering parameter comprises translocation factor;
Described filtration module comprises:
Second inverse Fourier transform unit, carries out inverse Fourier transform for the symbol sebolic addressing exported described conversion module;
Cycle shift unit, for the translocation factor utilizing described controller to arrange, carries out cyclic shift to the symbol sebolic addressing that described second inverse Fourier transform unit exports.
In the arbitrary possible implementation of the first two of first aspect, additionally provide the third possible implementation of first aspect, described filtration module also comprises:
Sew adding device before and after circulation, add prefix and/or suffix for the symbol sebolic addressing exported described first inverse Fourier transform unit or described cycle shift unit.
In the third possible implementation of first aspect, additionally provide the 4th kind of possible implementation of first aspect, described filtration module also comprises:
Windowing unit, for the window function utilizing described controller to arrange, carries out windowing process to the symbol sebolic addressing sewing adding device output before and after described circulation;
Summing elements, carries out segmentation accumulation process for the symbol sebolic addressing exported by described windowing unit;
Described controller, also for the window function in described windowing unit being set to the window function that described data-transmission mode is specified.
In the 5th kind of possible implementation of first aspect, described controller, for sending the first Indication message to described conversion module, described first Indication message comprises the pattern identification of data-transmission mode; Described conversion module, also for by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the alternative types of described conversion module; Or,
Described controller, for sending the second Indication message to described conversion module, described second Indication message comprises the type identification of alternative types; Described conversion module, also for by the alternative types indicated by the type identification of alternative types in described second Indication message, is defined as the alternative types of described conversion module.
In the 6th kind of possible implementation of first aspect, described controller, for sending the first Indication message to described filtration module, described first Indication message comprises the pattern identification of data-transmission mode; Described filtration module, also for by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the filtering parameter of described filtration module; Or,
Described controller, for sending the second Indication message to described filtration module, described second Indication message comprises the mark of filtering parameter; Described filtration module, also for by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, is defined as the filtering parameter of described filtration module.
In the 4th kind of possible implementation of first aspect, additionally provide the 7th kind of possible implementation of first aspect, described controller, for sending the first Indication message to described windowing unit, described first Indication message comprises the pattern identification of data-transmission mode; Described windowing unit, also for by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the window function of described windowing unit; Or,
Described controller, for sending the second Indication message to described windowing unit, described second Indication message comprises the mark of window function; Described windowing unit, also for by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described windowing unit.
Second aspect, embodiments provides a kind of controller of control data transmission, comprising:
Determination module, for determining the data-transmission mode that transfer of data is applied;
First arranges module, for the alternative types in transmitter being set to the alternative types of described determination module established data transmission mode;
Second arranges module, for the filtering parameter in described transmitter being set to the filtering parameter of described determination module established data transmission mode.
In the first possible implementation of second aspect, described controller also comprises: the 3rd arranges module, for by the window function type in described transmitter, is set to the window function type that described determination module established data transmission mode is specified.
In the implementation that the second of second aspect is possible, described first arranges module specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described transmitter; Or,
Described first arranges module specifically for sending the second Indication message to described transmitter, described second Indication message comprises the type identification of alternative types, to make described transmitter by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described transmitter.
In the third possible implementation of second aspect, described second arranges module specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described transmitter; Or,
Described second arranges module specifically for sending the second Indication message to described transmitter, described second Indication message comprises the mark of filtering parameter, to make described transmitter by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described transmitter.
In the 4th kind of possible implementation of second aspect, described 3rd arranges module specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described transmitter; Or,
Described 3rd setting unit is specifically for sending the second Indication message to described transmitter, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of window function in described second Indication message, be defined as the window function of described transmitter.
In front four kinds of possible implementations of second aspect, additionally provide the 5th kind of possible implementation of second aspect, described determination module comprises:
First determining unit, for determining the decision parameter of data-transmission mode; The decision parameter of described data-transmission mode comprises: receiver ability, at least one in the powering mode of service quality QoS, spectral mask requirement, subscriber equipment;
Second determining unit, for the decision parameter according to described first determining unit established data transmission mode, determines the data-transmission mode that need use.
The third aspect, embodiments provides a kind of method of control data transmission, comprising:
Determine the data-transmission mode that transfer of data is applied;
Alternative types in transmitter is set to the alternative types of described data-transmission mode;
Filtering parameter in described transmitter is set to the filtering parameter of described data-transmission mode.
In the first possible implementation of the third aspect, described method also comprises:
By the window function type of described transmitter, be set to the window function type that described data-transmission mode is specified.
In the implementation that the second of the third aspect is possible, described alternative types alternative types in transmitter being set to described data-transmission mode comprises:
The first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described transmitter; Or,
The second Indication message is sent to described transmitter, described second Indication message comprises the type identification of alternative types, to make described transmitter by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described transmitter.
In the third possible implementation of the third aspect, described filtering parameter filtering parameter in described transmitter being set to described data-transmission mode comprises:
The first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described transmitter; Or,
Described second arranges module sends the second Indication message to described transmitter, described second Indication message comprises the mark of filtering parameter, to make described transmitter by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described transmitter.
In the first possible implementation of the third aspect, additionally provide the 4th kind of possible implementation of the third aspect, described by the window function type of described transmitter, be set to the window function type that described data-transmission mode specifies and comprise:
The first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described transmitter; Or,
Send the second Indication message to described transmitter, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described transmitter.
In front four kinds of arbitrary possible implementations of the third aspect, additionally provide the 5th kind of possible implementation of the third aspect, the described data-transmission mode determining that transfer of data is applied comprises:
Determine the decision parameter of data-transmission mode; The decision parameter of described data-transmission mode comprises: at least one in the powering mode of receiver ability, service quality QoS, spectral mask requirement, subscriber equipment;
According to the decision parameter of described data-transmission mode, determine the data-transmission mode that need use.
Fourth aspect, embodiments provides a kind of receiving system, comprising: receiver and controller; Wherein, described receiver comprises:
Filtration module, for the filtering parameter arranged according to described controller, carries out filtering process to the symbol sebolic addressing of input;
Conversion module, for the alternative types arranged according to described controller, carries out conversion process to the symbol sebolic addressing that described filtration module exports;
Described controller, for the filtering parameter in described filtration module being set to a kind of filtering parameter of data-transmission mode, and is set to the alternative types of described data-transmission mode by the alternative types in described conversion module.
In the first possible implementation of fourth aspect, described filtering parameter comprises phase rotation coefficient;
Described filtration module comprises:
First Fourier transform unit, for carrying out Fourier transform to the symbol sebolic addressing of input;
Phase rotation units, carries out phase rotating for the symbol sebolic addressing exported described first inverse Fourier transform unit.
In the implementation that the second of fourth aspect is possible, described filtering parameter comprises translocation factor;
Described filtration module comprises:
Cycle shift unit, for the translocation factor utilizing described controller to arrange, carries out cyclic shift to the symbol sebolic addressing of input;
Second Fourier transform unit, carries out Fourier transform for the symbol sebolic addressing exported described cycle shift unit.
In the arbitrary possible implementation of the first two of fourth aspect, additionally provide the third possible implementation of fourth aspect, described filtration module also comprises:
Windowing unit, for carrying out windowing process to the symbol sebolic addressing of input;
Summing elements, symbol sebolic addressing for exporting described windowing unit carries out segmentation accumulation process, to make described first Fourier transform unit carry out inverse Fourier transform to the symbol sebolic addressing that described summing elements exports, or described cycle shift unit carries out cyclic shift process to the symbol sebolic addressing that described summing elements exports;
Described controller, also for the window function in described filter unit being set to the window function that described data transmission module is specified.
In the 4th kind of possible implementation of fourth aspect, described controller, for sending the first Indication message to described filtration module, described first Indication message comprises the pattern identification of data-transmission mode; Described filtration module, also for by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the filtering parameter of described filtration module; Or,
Described controller, for sending the second Indication message to described filtration module, described second Indication message comprises the mark of filtering parameter; Described filtration module, also for by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, is defined as the filtering parameter of described filtration module.
In the 5th kind of possible implementation of fourth aspect, described controller, for sending the first Indication message to described conversion module, described first Indication message comprises the pattern identification of data-transmission mode; Described conversion module, also for by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the alternative types of described conversion module; Or,
Described controller, for sending the second Indication message to described conversion module, described second Indication message comprises the type identification of alternative types; Described conversion module, also for by the alternative types indicated by the type identification of alternative types in described second Indication message, is defined as the alternative types of described conversion module.
In the third possible implementation of fourth aspect, additionally provide the 6th kind of possible implementation of fourth aspect, described controller, for sending the first Indication message to described windowing unit, described first Indication message comprises the pattern identification of data-transmission mode; Described windowing unit, also for by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the window function of described windowing unit; Or,
Described controller, for sending the second Indication message to described windowing unit, described second Indication message comprises the mark of window function; Described windowing unit, also for by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described windowing unit.
5th aspect, embodiments provides a kind of controller, comprising:
Determination module, for determining the data-transmission mode that transfer of data is applied;
First arranges module, for the filtering parameter in receiver being set to the filtering parameter of described determination module established data transmission mode;
Second arranges module, for the alternative types in described receiver being set to the alternative types of described determination module established data transmission mode.
In the first possible implementation in the 5th, described controller also comprises: the 3rd arranges module, for by the window function type in described receiver, is set to the window function type that described determination module established data transmission mode is specified.
In the implementation that the second in the 5th is possible, described first arranges module specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described receiver; Or,
Described first arranges module specifically for sending the second Indication message to described receiver, described second Indication message comprises the mark of filtering parameter, to make described receiver machine by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described receiver.
In the third possible implementation in the 5th, described second arranges module specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described receiver; Or,
Described second arranges module specifically for sending the second Indication message to described receiver, described second Indication message comprises the type identification of alternative types, to make described receiver by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described receiver.
In the first possible implementation in the 5th, additionally provide the 4th kind of possible implementation of the 5th aspect, described 3rd arranges module specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described receiver; Or,
Described 3rd setting unit is specifically for sending the second Indication message to described receiver, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of spectral window function in described second Indication message, be defined as the window function of described receiver.
In front four kinds of arbitrary possible implementations in the 5th, additionally provide the 6th kind of possible implementation of the 5th aspect, described determination module comprises:
Acquiring unit, for obtaining the data-transmission mode of transmitter;
Determining unit, for the data-transmission mode obtained according to described acquiring unit, determines the data-transmission mode that need use.
6th aspect, embodiments provides a kind of method of control data transmission, comprising:
Determine the data-transmission mode that transfer of data is applied;
Filtering parameter in receiver is set to the filtering parameter of described data-transmission mode;
Alternative types in described receiver is set to the alternative types of described data-transmission mode.
In the 6th in the first possible implementation, described method also comprises:
By the window function type of described receiver, be set to the window function type that described data-transmission mode is specified.
In the implementation that the second in the 6th is possible, described filtering parameter filtering parameter in receiver being set to described data-transmission mode comprises:
The first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described receiver; Or,
The second Indication message is sent to described receiver, described second Indication message comprises the mark of filtering parameter, to make described receiver by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described receiver.
In the third possible implementation in the 6th, described alternative types alternative types in described receiver being set to described data-transmission mode comprises:
The first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described receiver; Or,
The second Indication message is sent to described receiver, described second Indication message comprises the type identification of alternative types, to make described receiver by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described receiver.
In the implementation that the second in the 6th is possible, additionally provide the 4th kind of possible implementation of the 6th aspect, described by the window function type of described receiver, be set to the window function type that described data-transmission mode specifies and comprise:
The first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described receiver; Or,
Send the second Indication message to described receiver, described second Indication message comprises the mark of window function, to make described receiver by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described receiver.
In front four kinds of arbitrary possible implementations in the 6th, additionally provide the 5th kind of possible implementation of the 6th aspect, the described data-transmission mode determining that transfer of data is applied comprises:
Obtain the data-transmission mode of transmitter;
According to the data-transmission mode of described transmitter, determine the data-transmission mode that need use.
Embodiments provide a kind of method of control data transmission, Apparatus and system, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, and adopt in receiving system controller to arrange the alternative types of conversion module in receiver, filtration module filtering parameter, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The emission system schematic diagram of a kind of control data transmission that Fig. 1 provides for the embodiment of the present invention;
The emission system schematic diagram of the another kind of control data transmission that Fig. 2 provides for the embodiment of the present invention;
The emission system schematic diagram of the another kind of control data transmission that Fig. 3 provides for the embodiment of the present invention;
The emission system schematic diagram of the another kind of control data transmission that Fig. 4 provides for the embodiment of the present invention;
The emission system schematic diagram of the another kind of control data transmission that Fig. 5 provides for the embodiment of the present invention;
The emission system schematic diagram of the another kind of control data transmission that Fig. 6 provides for the embodiment of the present invention;
The emission system schematic diagram of the another kind of control data transmission that Fig. 7 provides for the embodiment of the present invention;
The emission system schematic diagram of the another kind of control data transmission that Fig. 8 provides for the embodiment of the present invention;
The receiving system schematic diagram of a kind of control data transmission that Fig. 9 provides for the embodiment of the present invention;
A kind of data fifo based on index-mapping that Figure 10 provides for the embodiment of the present invention stores schematic diagram;
The receiving system schematic diagram of the another kind of control data transmission that Figure 11 provides for the embodiment of the present invention;
The receiving system schematic diagram of the another kind of control data transmission that Figure 12 provides for the embodiment of the present invention;
The receiving system schematic diagram of the another kind of control data transmission that Figure 13 provides for the embodiment of the present invention;
The receiving system schematic diagram of the another kind of control data transmission that Figure 14 provides for the embodiment of the present invention;
The receiving system schematic diagram of the another kind of control data transmission that Figure 15 provides for the embodiment of the present invention;
The receiving system schematic diagram of the another kind of control data transmission that Figure 16 provides for the embodiment of the present invention;
The receiving system schematic diagram of the another kind of control data transmission that Figure 17 provides for the embodiment of the present invention;
The receiving system schematic diagram of a kind of control data transmission that Figure 18 provides for the embodiment of the present invention;
The emission system schematic diagram of the control data transmission for embodiment three that Figure 19 provides for the embodiment of the present invention;
Figure 20 for the embodiment of the present invention provide for embodiment three the receiving system schematic diagram of control data transmission;
The data transaction schematic diagram of the phase rotation units that Figure 21 provides for the embodiment of the present invention;
A kind of data fifo process schematic diagram based on map index that Figure 22 provides for the embodiment of the present invention;
A kind of schematic diagram data being carried out to shifting processing that Figure 23 provides for the embodiment of the present invention;
A kind of schematic diagram data being carried out to windowing process that Figure 24 provides for the embodiment of the present invention;
A kind of schematic diagram data after windowing process being carried out to accumulation process that Figure 25 provides for the embodiment of the present invention;
The another kind that Figure 26 provides for the embodiment of the present invention carries out the schematic diagram of accumulation process to the data after windowing process;
A kind of schematic diagram to carrying out data fifo output that Figure 27 provides for the embodiment of the present invention;
A kind of receiving terminal that Figure 28 provides for the embodiment of the present invention is to data accumulation process schematic diagram;
The data accumulation process schematic diagram based on ofdm system that Figure 29 provides for the embodiment of the present invention;
The constructional device schematic diagram of a kind of controller that Figure 30 embodiment of the present invention provides;
The constructional device schematic diagram of the another kind of controller that Figure 31 embodiment of the present invention provides;
The method schematic diagram of the control data transmission of a kind of controller that Figure 32 provides for the embodiment of the present invention.
The constructional device schematic diagram of a kind of controller that Figure 33 embodiment of the present invention provides;
The constructional device schematic diagram of the another kind of controller that Figure 34 embodiment of the present invention provides;
The method schematic diagram of the control data transmission of a kind of controller that Figure 35 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one,
Embodiments provide a kind of emission system of control data transmission, as shown in Figure 1, comprising: transmitter 10 and controller 11, described transmitter 10 comprises: conversion module 101 and filtration module 102;
Wherein, described conversion module 101, for the alternative types arranged according to described controller 11, carries out conversion process to the symbol sebolic addressing of input;
Concrete, described conversion module 101 is specifically for converting the symbol sebolic addressing of input, described conversion can be Walsh-Hadanjard Transform (walsh-hadamard transformation), also can be Fourier transform, also can be inverse Fourier transform, also can be identical transformation, the determined data-transmission mode of described controller 11 be depended in described conversion.
Optionally, if described data-transmission mode adopts cdma system, then the alternative types that described conversion module 101 adopts is Walsh-Hadanjard Transform.
Or optional, if described data-transmission mode adopts WCDMA system, then the alternative types that described conversion module 101 adopts is Walsh-Hadanjard Transform.
Or optional, if described data-transmission mode adopts ofdm system, then the alternative types that described conversion module 101 adopts is identical transformation.
Or optional, if described data-transmission mode adopts ofdm system, then the alternative types that described conversion module 101 adopts is discrete Fourier transform.
Or optional, if described data-transmission mode adopts FDM (Frequency Division Multiplexing, frequency division multiplexing) system, then the alternative types that described conversion module 101 adopts is any one conversion above-mentioned.
Described filtration module 102, for the filtering parameter utilizing described controller 11 to arrange, carries out filtering process to the symbol sebolic addressing that described conversion module 101 exports.
Described controller 11, for the alternative types in described conversion module 101 being set to a kind of alternative types of data-transmission mode, and is set to the filtering parameter of described data-transmission mode by the filtering parameter in described filtration module 102.
Wherein, the alternative types that the alternative types in described conversion module 101 is set to a kind of data-transmission mode comprises by described controller 11:
Described controller 11 is for sending the first Indication message to described conversion module 101, and described first Indication message comprises the pattern identification of data-transmission mode; Described conversion module 101, also for by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the alternative types of described conversion module 101; Or,
Described controller 11, for sending the second Indication message to described conversion module 101, described second Indication message comprises the type identification of alternative types; Described conversion module 101, also for by the alternative types indicated by the type identification of alternative types in described second Indication message, is defined as the alternative types of described conversion module 101.
The filtering parameter that filtering parameter in described filtration module 102 is set to described data-transmission mode comprises by described controller 11:
Described controller 11 is for sending the first Indication message to described filtration module 102, and described first Indication message comprises the pattern identification of data-transmission mode; Described filtration module 102, also for by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the filtering parameter of described filtration module 102; Or,
Described controller 11, for sending the second Indication message to described filtration module 102, described second Indication message comprises the mark of filtering parameter; Described filtration module 102, also for by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, is defined as the filtering parameter of described filtration module 102.
Wherein, the compatible FDMA system of described emission system, SC-FDMA system, FDMA system, ofdm system, that is, described emission system under the control of controller 11, can perform any one in FDMA system, SC-FDMA system, FDMA system, ofdm system.
Optionally, as shown in Figure 2, described transmitter 10 can also comprise: parallel serial conversion module 103 and parallel serial conversion module 104, wherein, described parallel serial conversion module 103, for before filtration module 102 after conversion module 101, carries out parallel-serial conversion process for the symbol sebolic addressing exported described conversion module 101; Described parallel serial conversion module 104, also for after filtration module 102, carries out parallel-serial conversion process for the symbol sebolic addressing exported described filtration module 102.
It should be noted that, the part of some necessity is also comprised: channel coding module, digital modulation module, RF frequency-variable module, transmitting antenna module etc. as the emission system in digital communication system, because above-mentioned module and object of the present invention there is no direct relation, be not just described at this.
Embodiments provide a kind of emission system of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment 1,
The emission system of the control data transmission according to above-described embodiment one, identical with described in above-described embodiment one of the functional module comprised in the present embodiment 1, but because controller is to the difference of the filtering parameter that filtration module is arranged, make the implementation of described filtration module different, therefore, the functional unit that described filtration module comprises is different, but the effect of described filtration module is identical.Concrete, when the filtering parameter in described filtration module is phase rotation coefficient, as shown in Figure 3, described filtration module 102 comprises: phase selection unit 102a and the first inverse Fourier transform unit 102b.
According to the functional unit that above-mentioned filtration module 102 comprises, described emission system comprises: conversion module 101, phase rotation units 102a, the first inverse Fourier transform unit 102b, controller 11.Wherein, in the effect of described conversion module 101 and described controller 11 and embodiment one, the conversion module 101 of emission system and described controller 11 act on identical, do not repeat them here.
Wherein, described conversion module 101, for the alternative types arranged according to described controller 11, carries out conversion process to the symbol sebolic addressing of input;
Described phase rotation units 102a, for the phase rotation coefficient utilizing described controller 11 to arrange, carries out phase rotating to the symbol sebolic addressing that described conversion module 101 exports;
Described first inverse Fourier transform unit 102b, carries out inverse Fourier transform for the symbol sebolic addressing exported described phase rotation units 102a;
Described controller 11, for the alternative types in described conversion module 101 being set to a kind of alternative types of data-transmission mode, and is set to the phase rotation coefficient of described data-transmission mode by the filtering parameter in described phase rotation units 102a.
Optionally, if described controller 11 established data transmission mode adopts cdma system, then the alternative types that described conversion module 101 adopts is Walsh-Hadanjard Transform, and the phase rotation coefficient that described phase rotation units 102a adopts is wherein, W m=e -j2 π/M, m '=Nm, 0≤k≤M-1, m is natural number, represents time sequence number.
Or optional, if described controller 11 established data transmission mode adopts WCDMA system, then the alternative types that described conversion module 101 adopts is Walsh-Hadanjard Transform, and the phase rotation coefficient that described phase rotation units 102a adopts is wherein, W m=e -j2 π/M, m '=Nm, 0≤k≤M-1, m is natural number, represents time sequence number.
Or optional, if described controller 11 established data transmission mode adopts ofdm system, then the alternative types that described conversion module 101 adopts is identical transformation, and the phase rotation coefficient that described phase rotation units 102a adopts is wherein, W m=e -j2 π/M, m '=2M-N or m'=0,0≤k≤M-1.
Or optional, if described controller 11 established data transmission mode adopts ofdm system, then the alternative types that described conversion module 101 adopts is discrete Fourier transform, and the phase rotation coefficient that described phase rotation units 102a adopts is wherein, W m=e -j2 π/M, m '=2M-N or m'=0,0≤k≤M-1.
Optionally, as shown in Figure 3, described filtration module 102 also comprises: sew adding device 105 before and after circulation, wherein, sews adding device 105 and add prefix and/or suffix for the symbol sebolic addressing exported described first inverse Fourier transform unit 102b before and after described circulation; Can identify by the position that sets a property the symbol sebolic addressing exported described first inverse Fourier transform unit 102b is add prefix, still suffix is added, or add prefix and suffix simultaneously, or the data of transmission can be needed to set according to different emission system.
Wherein, the compatible FDMA system of described emission system, SC-FDMA system, FMA system, ofdm system, that is, described emission system under the control of controller 11, can perform any one in FDMA system, SC-FDMA system, FMA system, ofdm system.
Example, according to the emission system described by above-described embodiment 1, as shown in Figure 4, described emission system comprises: conversion module 101, parallel serial conversion module 103, filtration module 102, parallel serial conversion module 104, controller 11.Wherein, described conversion module 101 comprises the converter unit of M K point (for simplicity's sake, three converter unit 101a are only shown in Fig. 4, 101b, 101c), described and die change block 103 in tandem comprises M K point parallel serial conversion unit (for simplicity's sake, three parallel serial conversion unit 103a are only shown in Fig. 4, 103b, 103c), phase rotation units 102a in described filtration module 102 comprises the phase rotation units on a M road, the first inverse Fourier transform 102b in described filtration module 102 comprises the inverse Fourier transform unit of a M point, described filtration module 102 also comprises before and after circulation and sews adding device 105, described controller 11 comprises a unified Multiple Access scheme mode controlling unit.
Assuming that { a k(n), n=0,1 ..., K-1} is the parallel modulated symbols sequence be input on a kth sub-band, M be in inverse Fourier transform device IFFT conversion count.For said system, introduce the process of transfer of data in detail.
Conversion module 101: for carrying out the conversion of K rank to the modulation symbol sequence of parallel input.Parallel symbol sequence { a of input k(n), n=0,1 ..., K-1} obtains corresponding symbol sebolic addressing { b after conversion module k(m), m=0,1 ..., K-1}, conversion herein can be Fourier transform, also can be identical transformation, also can be Walsh-Hadanjard Transform.
If described in be transformed to Fourier transform, then a k(n) and b km () relation each other meets: b k ( m ) = 1 m Σ i = 0 K - 1 a k ( n ) · exp ( - j 2 πnm / M ) , Wherein, coefficient mainly play the normalized effect of signal energy, namely before and after conversion, the gross energy of signal is constant, it should be noted that, coefficient not necessarily, can be 1, also can be substituted by other constant values, only need to adjust accordingly when power loads.
If described in be transformed to identical transformation, then a k(n) and b km () relation each other meets: b k(m)=a k(n).
If described in be transformed to Walsh-Hadanjard Transform, then a k(n) and b km () relation each other meets: relation is each other obeyed wherein, Wal hfor K rank hadamard matrix, Wal hthe m+1 that (m, n) is matrix is capable, the element of the (n+1)th row.{ b kalso a number of elements and the equirotal column vector of Hadamard transform is represented.The large I of Hadamard transform transmission rate and data-handling capacity needed for communication system carry out self-adaptative adjustment.Wherein, coefficient mainly play the normalized effect of signal energy, namely before and after conversion, the gross energy of signal is constant, it should be noted that, coefficient not necessarily, can be 1, also can be substituted by other constant values, only need to adjust accordingly when power loads.In addition, described Walsh-Hadanjard Transform can have the implementation of other equivalences, as multi-path parallel signal (different speed may be had) use given spreading code under the spreading factor chosen separately and code channel number to carry out spread processing after mutually superpose.
Parallel serial conversion module 103: the symbol sebolic addressing for exporting conversion module 101 carries out parallel-serial conversion operation.Concrete, the symbol sebolic addressing { b that parallel serial conversion module 103 pairs of conversion modules 101 export k(m), m=0,1 ..., K-1} through parallel-serial conversion, obtain corresponding to kth (k=0 ..., M-1) the serial signal vector that exports of individual sub-band is c k(m), m=0 ..., K-1, wherein, M equals the number of frequency bands for Signal transmissions.
Filtration module 102: the M point symbol sequence transformation for being exported in each for parallel serial conversion module moment becomes N point symbol sequence to export, and wherein, N is the over-sampling rate of filtration module, and N >=M.Its processing procedure comprises: phase rotation units 102a, the first inverse Fourier transform unit 102b.
Phase rotation units 102a: for the data symbol sequence c of M way frequency band that parallel serial conversion module 103 is inputted k(m), m=0 ..., K-1 carries out linear phase shift, and to reach the object of the time-domain symbol cyclic shift of its correspondence, the output after phase rotating is d k(m), the relation between them meets: wherein, m is the data symbol sequence sequence number of input, for phase rotation coefficient, wherein, W m=e -j2 π/M, the m ' in the present embodiment=2M-N.
First inverse Fourier transform unit 102b: for M the symbol sebolic addressing d exported each moment phase rotation units 102a k(m), k=0 ..., M-1 carries out the IDFT change of M point.Through IDFT conversion, M parallel data symbols sequence transformation of input becomes M parallel symbol row { e l(m), l=0,1 ..., M-1}, wherein, m is natural number, and d k(m) and e lm () meets:
e l ( m ) = 1 M Σ k = 0 M - 1 d k ( m ) · exp ( - j 2 πkl / M ) , l = 0,1 , . . . , M - 1 ; M is natural number
Wherein, coefficient mainly play the normalized effect of signal energy, namely before and after conversion, the gross energy of signal is constant, it should be noted that, coefficient not necessarily, can be 1, also can be substituted by other constant values, only need to adjust accordingly when power loads.
Sew adding device 105 before and after circulation: for the first inverse Fourier transform unit 102b is exported m time the symbol sebolic addressing { e that inscribes l(m), l=0,1 ..., M-1} adds prefix, obtains the symbol sebolic addressing after adding prefix to be: { f l(m), l=0,1 ..., M+N cp-1}, wherein, m is natural number, N cpfor the length that the front and back of correspondence are sewed, optionally, N cp=N-M.
Parallel serial conversion module 104: for sewing the data symbol sequence { f that adding device 105 exports to circulation front and back in filtration module 102 l(m), l=0,1 ..., M+N cp-1} carries out parallel-serial conversion process.Export the data symbol sequence for serial through Parallel transformation module, the signal for transmitting terminal is launched.
Embodiments provide a kind of emission system of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment 2,
The transmitter system of the control data transmission according to above-described embodiment one, identical with described in above-described embodiment one of the functional module comprised in the present embodiment 2, but because described controller is to the difference of the filtering parameter that described filtration module is arranged, make the implementation of described filter different, therefore, the functional unit that described filter comprises is different, but the effect of described filtration module is identical.Concrete, when the filtering parameter in described filtration module is translocation factor, as shown in Figure 5, described filtration module 102 comprises: the second inverse Fourier transform unit 102c and cycle shift unit 102d.
According to the functional unit that above-mentioned filtration module 102 comprises, described transmitter system comprises: conversion module 101, second inverse Fourier transform unit 102c, cycle shift unit 102d, controller 11.Wherein, the conversion module 101 in the effect of described conversion module 101 and controller 11 and embodiment one in emission system and controller 11 act on identical, do not repeat them here.
Wherein, described conversion module 101, for the alternative types arranged according to described controller 11, carries out conversion process to the symbol sebolic addressing of input;
Described second inverse Fourier transform unit 102c, carries out inverse Fourier transform for the symbol sebolic addressing exported described conversion module 101;
Described cycle shift unit 102d, for the translocation factor utilizing described controller 11 to arrange, carries out cyclic shift to the symbol sebolic addressing that described second inverse Fourier transform unit 102c exports;
Described controller 11, for the alternative types in described conversion module 101 being set to a kind of alternative types of data-transmission mode, and is set to the translocation factor of described data-transmission mode by the filtering parameter in described cycle shift unit 102d.
Optionally, if described controller 11 established data transmission mode adopts cdma system, the alternative types that then described conversion module 101 adopts is Walsh-Hadanjard Transform, and the translocation factor that described cycle shift unit 102d adopts is m (N-M) or m (N-M) mod M.
Or optional, if described controller 11 established data transmission mode adopts ofdm system, then the alternative types that described conversion module adopts is identical transformation, the translocation factor that described cycle shift unit 102d adopts is 0 or 2M-N.
Or optional, if described controller 11 established data transmission mode adopts ofdm system, then the alternative types that described conversion module adopts is discrete Fourier transform, the translocation factor that described cycle shift unit 102d adopts is 0 or 2M-N.
Optionally, as shown in Figure 5, described filtration module 102 also comprises: sew adding device 105 before and after circulation, wherein, sews adding device 105 and add prefix and/or suffix for the symbol sebolic addressing exported described cycle shift unit 102d before and after described circulation; Can identify by the position that sets a property the symbol sebolic addressing exported described cycle shift unit 102d is add prefix, or adds suffix, or adds prefix and suffix simultaneously, or the data of transmission can be needed to set according to different emission system.
Wherein, the compatible FDMA system of emission system described in the present embodiment, SC-FDMA system, FMA system, ofdm system, that is, described emission system under the control of controller 11, can perform any one in FDMA system, SC-FDMA system, FMA system, ofdm system.
By comparison diagram 3 and Fig. 5 known, the difference of two kinds of emission systems is: the phase rotation units 102a in Fig. 3 is replaced with the second inverse Fourier transform unit 102c in Fig. 5, the first inverse Fourier transform unit 102b in Fig. 3 is replaced with the cycle shift unit 102d in Fig. 5, the function that filtration module in Fig. 3 and Fig. 5 realizes is identical, just adopt different implementations, the practical function of all the other modules is also identical.Identical with the function of the first inverse Fourier transform unit in Fig. 1 for the second inverse Fourier transform unit in Fig. 5, do not repeat them here.
Example, according to the emission system described by above-described embodiment 2, as shown in Figure 6, described emission system comprises: conversion module 101, parallel serial conversion module 103, filtration module 102, controller 11.Wherein, described conversion module 101 comprises the converter unit of M K point (for simplicity's sake, three converter unit 101a are only shown in Fig. 6, 101b, 101c), described and die change block 103 in tandem comprises M K point parallel serial conversion unit (for simplicity's sake, three parallel serial conversion unit 103a are only shown in Fig. 6, 103b, 103c), the second inverse Fourier transform unit 102c in described filtration module 102 comprises the inverse Fourier transform device of a M point, cycle shift unit 102d in described filtration module 102 comprises the cyclic shift device on a M road, described filtration module 102 also comprises before and after circulation and sews adding device 105, described controller 11 comprises a unified Multiple Access scheme mode control device.
Can be found out by comparison diagram 4 and Fig. 6, the difference of two kinds of emission systems is only that the implementation of filtration module is different, but the function realized is identical, so conversion module 101 in the present embodiment and parallel serial conversion module 103 specific implementation can reference examples 1, parallel serial conversion module 104 specific implementation can reference example 1, does not repeat them here.To mainly introduce the transmitting procedure of data in filtration module below.
Filtration module 102: the M point symbol sequence transformation for being exported in each for parallel serial conversion module moment becomes N point symbol sequence to export, and wherein, N is the over-sampling rate of bank of filters, and N >=M.Its processing procedure comprises: sew adding device 105 before and after the second inverse Fourier transform unit 102c, cycle shift unit 102d, circulation.
Second inverse Fourier transform unit 102c: for the data symbol sequence { c of M way frequency band that parallel serial conversion module 103 is inputted k(m), l=0,1 ..., M-1} carries out the inverse Fourier transform of M point under given m, and wherein, m is natural number.Through IDFT conversion, obtain { C l, l=0,1 ..., M-1.
Cycle shift unit 102d: for the data symbol sequence { C exported the second inverse Fourier transform unit 102c l, l=0,1 ..., M-1 carries out symbol cyclic shift, obtain export symbol sebolic addressing C ' l, l=0,1 ..., M-1, wherein, translocation factor is m ', m'=0 or m '=2M-N in the present embodiment.
In fact, { the e that obtains of the phase rotation units 102a of data symbol sequence in Fig. 4 that export of parallel serial conversion module 103 and the first inverse Fourier transform 102b l(m), l=0,1 ..., M-1}, with the second inverse Fourier transform unit 102c and cycle shift unit 102d in Fig. 6 obtain C ' l, l=0,1 ..., M-1 is equivalence completely.
Sew adding device 105 before and after circulation: for described cycle shift unit 102d is exported symbol sebolic addressing C ' l, l=0,1 ..., M-1 adds prefix, obtains the symbol sebolic addressing after adding prefix to be: { f l(m), l=0,1 ..., M+N cp-1}, optional N cp=N-M.
Parallel serial conversion module 104: for sewing the data symbol sequence { f that adding device 105 exports to circulation front and back in filtration module 102 l(m), l=0,1 ..., M+N cp-1} carries out parallel-serial conversion process.Export the data symbol sequence for serial through Parallel transformation module, the signal for transmitting terminal is launched.
Embodiments provide a kind of emission system of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment 3,
Embodiments provide a kind of emission system of control data transmission, in the emission system based on embodiment 1, as shown in Figure 7, described filtration module 102 also comprises:
First cell fifo 108a, carries out progression shifting processing for the symbol sebolic addressing described first inverse Fourier transform unit or described cycle shift unit exported;
Sew adding device 105 before and after described circulation, the symbol sebolic addressing also for exporting described buffer unit 108a adds prefix and/or suffix;
Windowing unit 106, for the window function utilizing described controller 11 to arrange, carries out windowing process to the symbol sebolic addressing sewing adding device 105 output before and after described circulation;
Cell fifo 108, carries out FIFO process for the data exported described windowing unit 106;
Summing elements 107, carries out segmentation accumulation process for the symbol sebolic addressing exported by described cell fifo 10;
Described controller 11, also for the window function in described windowing unit 106 being set to the window function that described data-transmission mode is specified.
Wherein, described progression cyclic shift FIFO operation refers to: when often entering a new data, the displacement of this new data is 0, and then often move once, N-M position is moved in progression.
In the emission system based on embodiment 2, as shown in Figure 8, described filtration module 102 also comprises:
First cell fifo 108a, the symbol sebolic addressing exported for described circulation front and back being sewed adding device 105 carries out caching process;
Sew adding device 105 before and after described circulation, the symbol sebolic addressing also for exporting described buffer unit 108a adds prefix and/or suffix;
Windowing unit 106, for the window function utilizing described controller 11 to arrange, carries out windowing process to the symbol sebolic addressing sewing adding device 105 output before and after described circulation;
Cell fifo 108, carries out FIFO process for the data exported described windowing unit 106;
Summing elements 107, carries out segmentation accumulation process for the symbol sebolic addressing exported by described cell fifo 108;
Described controller 11, also for the window function in described windowing unit 106 being set to the window function that described data-transmission mode is specified.
It should be noted that, as shown in Figure 9, adding device 105 is sewed and cell fifo 108 can be replaced against Fourier's change unit 109 with based on the cell fifo 110 of index-mapping by the 3rd before and after the phase rotation units 102a in Fig. 7, the first inverse Fourier transform unit 102b, the first cell fifo 108a, circulation; In Fig. 8 second sews adding device 105 before and after Fourier change unit 102c, cycle shift unit 102d, the second cell fifo 108b, circulation and cell fifo 108 can be replaced against Fourier's change unit 109 with based on the cell fifo 110 of index-mapping by the 3rd.
Wherein, as shown in Figure 10, the cell fifo based on index-mapping is used for the { C in each moment l(m), l=0,1 ..., M-1} process.Concrete, in the 0th moment, by 16 parallel data symbols { C of current 0th moment input l(m), l=0,1 ..., M-1}, wherein m is natural number, by its indices modulo computing be mapped as length be 20 parallel data symbols C ' l(m), l=0,1 ..., N-1} wherein C ' l(m)=C (l+mN) modM(m) }, and be buffered in the free space of front N length of this cell fifo; Secondly, be the output parallel read-out of storage data as the m moment of L using length in this cell fifo current, namely C ' l(m), C ' l(m-1) ..., C ' l(m-L/N+1) } l=0,1 ..., N-1; Then, by the stored symbols sequence of every section of N length in current cell fifo by indices modulo operation rule be mapped as C " l(m), C " l(m-1) ..., C " l(m-L/N+1) } e " μ(m), e " μ(m-1) ..., e " μ(m-L/N+1) } l=0,1 ..., N-1, wherein C " l(m)=C ' (l+N-M) modM(m) }.Again the symbol sebolic addressing mapped to be slided N point by the stack manipulation mode of first-in first-out, namely the N point symbol sequence entering the m-L/N+1 moment of this cell fifo is at first skidded off release, before this unit, the memory space of N length is then vacated by as buffering area, waits for the data input reason in m+1 moment.By that analogy, move in circles.
Optionally, described controller 11 is for sending the first Indication message to described windowing unit 106, and described first Indication message comprises the pattern identification of data-transmission mode; Described windowing unit 106, also for by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the window function of described windowing unit 106;
Or optional, described controller 11 is for sending the second Indication message to described windowing unit 106, and described second Indication message comprises the mark of window function; Described windowing unit 106, also for by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described windowing unit 106.
When described emission system comprises the functional module described in embodiment 1 and embodiment 3.Optionally, if described control 11 device established data transmission mode adopts cdma system, then the alternative types that described conversion module 101 adopts is Walsh Hadamard transform, and the phase rotation coefficient that described phase rotation units 102a adopts is the window function type that described windowing unit 106 adopts is root raised cosine window function; Wherein, W m=e -j2 π/M, m '=Nm, 0≤k≤M-1, m is natural number, represents time sequence number.
Or optional, if described controller 11 established data transmission mode adopts ofdm system, then the alternative types that described conversion module 101 adopts is identical transformation, and the phase rotation coefficient that described phase rotation units 102a adopts is the window function type that described windowing unit 106 adopts is rectangular window function; Wherein, W m=e -j2 π/M, m'=0 or m '=2M-N, 0≤k≤M-1.
Or optional, if described controller 11 established data transmission mode adopts ofdm system, then the alternative types that described conversion module 101 adopts is discrete Fourier transform, and the phase rotation coefficient that described phase rotation units 102a adopts is the window function type that described windowing unit 106 adopts is rectangular window function; Wherein, W m=e -j2 π/M, m'=0 or m '=2M-N, 0≤k≤M-1.
When described emission system comprises the functional module described in embodiment 2 and embodiment 3.Optionally, if described controller 11 established data transmission mode adopts cdma system, the alternative types that then described conversion module 101 adopts is Walsh Hadamard transform, the translocation factor that described cycle shift unit 102d adopts is mN or mN mod M, and the window function type that described windowing unit 106 adopts is root raised cosine window function.
Or it is optional, if described controller 11 established data transmission mode adopts WCDMA system, the alternative types that then described conversion module 101 adopts is Walsh Hadamard transform, the translocation factor that described cycle shift unit 102d adopts is mN or mN mod M, and the window function type that described windowing unit 106 adopts is root raised cosine window function.
Or it is optional, if described controller 11 established data transmission mode adopts ofdm system, the alternative types that then described conversion module 101 adopts is identical transformation, the translocation factor that described cycle shift unit 102d adopts is 0 or 2M-N, and the window function type that described windowing unit 106 adopts is rectangular window function.
Or it is optional, if described controller 11 established data transmission mode adopts ofdm system, the alternative types that then described conversion module 101 adopts is discrete Fourier transform, the translocation factor that described cycle shift unit 102d adopts is 0 or 2M-N, and the window function type that described windowing unit 106 adopts is rectangular window function.
It should be noted that, on the emission system basis shown in embodiment 1 and embodiment 2, emission system in the present embodiment compatible cdma system, WCDMA system, FDMA system, SC-FDMA system, FMA system, ofdm system, that is, under the control of controller 11, described emission system can perform any one in cdma system, WCDMA system, FDMA system, SC-FDMA system, FMA system, ofdm system.
Simultaneously, because CDMA (or WCDMA) technology and OFDM technology have advantage at low speed and high-speed transfer respectively, by the configuration of controller to parameter in the present embodiment, learn from other's strong points to offset one's weaknesses and construct a comprehensive technological system, have the advantage of CDMA (or WCDMA) technology and OFDM technology concurrently.
Example, comprise the functional module described in embodiment 1 and embodiment 2 for described emission system, the process of transfer of data is described in detail.As shown in Figure 7 and Figure 8, if described buffer unit comprises FIFO operating means, described windowing unit comprises time-domain windowed device, and described summing elements comprises cycle repetition adding up device.Wherein, the concrete data transmission procedure of conversion module 101, parallel serial conversion module 103, phase rotation units 102a, the first inverse Fourier transform unit 102b can reference example 1, or, the concrete data transmission procedure of conversion module 101, parallel serial conversion module 103, second inverse Fourier transform unit 102c, cycle shift unit 102d can reference example 2, on this basis, the process of described transfer of data also comprises:
Buffer unit 111, moves into buffer area for the N number of symbol sebolic addressing exported by described first inverse Fourier transform unit 102b or cycle shift unit 102d, the oldest N number of data is shifted out buffer area simultaneously; Described FIFO device memory length is L, is divided into L/N section, and every section is the memory space of length N, stores m respectively, m-1 ..., the symbolic information in m-L/N+1 moment, be expressed as e ' μ(m), e ' μ(m-1) ..., e ' μ(m-L/N+1) }, wherein e ' μ(m), μ=0,1 ..., N-1} is the N point data symbol stored in the m moment; FIFO device follows the operation rules of first-in first-out, and when countless certificate in wherein certain memory space stored in time, then giving tacit consent to output is 0.The data handling procedure in this device m moment can be divided into three steps: the first step, and empty N number of numerical value at most one section, end, the data that namely the m-L/N moment is corresponding shift out buffer memory; Second step, by all data slip N point according to the order of sequence, vacates N number of data space of beginning; 3rd step, the head of N number of data write FIFO device that described first inverse Fourier transform unit 102b or cycle shift unit 102d is exported.
Circulation before and after sew adding device 105, for described progression shift unit 111 is exported sequence e ' μ(m), e ' μ(m-1) ..., e ' μ(m-L/N+1) } add prefix, or suffix, or sew before and after adding simultaneously, obtain sequence e " μ(m), e " μ(m-1) ..., e " μ(m-L/N+1) }, μ=0,1 ..., N-1.
Windowing unit 106: for processing and the parallel L point symbol sequence of blocks of data exported sewing adding device 105 before and after circulation: e " μ(m), e " μ(m-1) ..., e " μ(m-L/N+1) }, μ=0,1 ..., N-1 carries out time-domain windowed filtering process.After Windowed filtering, the sequence of blocks of data of parallel input is transformed into corresponding sequence of blocks of data:
{ g ~ l ( m ) , l = 0,1 , . . . , L - 1 } = { g μ ( m ) , g μ + N ( m - 1 ) , . . . g μ + L - N ( m - L / N + 1 ) , μ = 0,1 , . . . , N - 1 } ;
Wherein, the symbol sebolic addressing before Windowed filtering and the symbol sebolic addressing after Windowed filtering relation is each other obeyed: m is natural number;
Wherein, { f p(l), l=0,1,2 ..., L-1} is bank of filters prototype filter coefficient (that is impulse response), and wherein L is filter length, and its frequency response is the response of list frequency band low-pass filter frequency.This filter meets shift-orthogonal condition:
Σ n = 0 L - 1 f p ( n ) f p * ( n - kN ) = δ ( k ) ;
Wherein, N is filter shift-orthogonal interval, that is bank of filters over-sampling rate, and filter length L meets the common multiple of M and N.Herein, prototype filter can be dissimilar time domain window function, depends on the pattern configurations of different Multiple Access scheme, is determined by controller 11.Preferably, root raised cosine filter, Sinc function window or rectangular window can be adopted.
Summing elements 107: for the sequence of blocks of data that described windowing unit 106 is exported δ ∈ 0,1 ..., L-1} carries out segmentation by Parameter N and adds up, and exports to be:
S α ( m ) = Σ β = 0 L / N - 1 g α + Nβ ( m - β ) , α ∈ { 0,1 , . . . , N - 1 } , m ∈ { 0,1 . . . , K - 1 } , Wherein, m is natural number.
Parallel serial conversion module 104: for the parallel data block sequence { s exported summing elements 107 α(m), m=0 ..., K-1, α=0,1 ..., N-1} carries out parallel-serial conversion operation.Through parallel-serial conversion device, export as serial data symbols sequence { x α(m), m=0 ..., K-1, α=0,1 ..., N-1}, the signal for transmitting terminal is launched.
Embodiments provide a kind of emission system of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment two,
Embodiments provide a kind of receiving system of control data transmission, as shown in figure 11, comprising: receiver 80 and controller 81, described receiver 80 comprises: filtration module 801 and conversion module 802;
Wherein, described filtration module 801, for the filtering parameter arranged according to described controller 81, carries out filtering process to the symbol sebolic addressing of input;
Described conversion module 802, for the alternative types arranged according to described controller 81, carries out conversion process to the symbol sebolic addressing that described filtration module 801 exports;
Wherein, described conversion module 802 carries out inverse transformation specifically for the symbol sebolic addressing exported described filtration module 801, described inverse transformation can be inverse Walsh-Hadanjard Transform, also can be Fourier transform, also can be inverse Fourier transform, also can be identical transformation, the determined data-transmission mode of described controller 11 be depended in described conversion; Wherein, described inverse Walsh-Hadanjard Transform is identical with Walsh-Hadanjard Transform.
Optionally, if described data-transmission mode adopts cdma system, then the inverse transformation type that described conversion module 802 adopts is inverse Walsh-Hadanjard Transform.
Or optional, if described data-transmission mode adopts WCDMA system, then the inverse transformation type that described conversion module 802 adopts is inverse Walsh-Hadanjard Transform.
Or optional, if described data-transmission mode adopts ofdm system, then the inverse transformation type that described conversion module 802 adopts is identical transformation.
Or optional, if described data-transmission mode adopts ofdm system, then the inverse transformation type that described conversion module 802 adopts is Fourier transform.
Or optional, if described data-transmission mode adopts FDM system, then the alternative types that described conversion module 802 adopts is any one conversion above-mentioned.
Described controller 81, for the filtering parameter in described filtration module 801 being set to a kind of filtering parameter of data-transmission mode, and is set to the alternative types of described data-transmission mode by the alternative types in described conversion module 802.
Wherein, described controller 81 comprises for the filtering parameter filtering parameter in described filtration module 801 being set to a kind of data-transmission mode:
Described controller 81 is for sending the first Indication message to described filtration module 801, and described first Indication message comprises the pattern identification of data-transmission mode; Described filtration module 801, also for by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the filtering parameter of described filtration module 801; Or,
Described controller 81 is for sending the second Indication message to described filtration module 801, and described second Indication message comprises the mark of filtering parameter; Described filtration module 801, also for by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, is defined as the filtering parameter of described filtration module 801.
The alternative types that alternative types in described conversion module 802 is set to described data-transmission mode comprises by described controller 81:
Described controller 81 is for sending the first Indication message to described conversion module 802, and described first Indication message comprises the pattern identification of data-transmission mode; Described conversion module 802, also for by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the alternative types of described conversion module 802; Or,
Described controller 81 is for sending the second Indication message to described conversion module 802, and described second Indication message comprises the type identification of alternative types; Described conversion module 802, also for by the alternative types indicated by the type identification of alternative types in described second Indication message, is defined as the alternative types of described conversion module 802.
Optionally, as shown in figure 12, described receiver can also comprise serioparallel exchange module 803 and serioparallel exchange module 804, wherein, described serioparallel exchange module 803 is for before filtration module 801, for carrying out serioparallel exchange process to the symbol sebolic addressing of input, described serioparallel exchange module 804, for before conversion module 802 after filtration module 801, carries out serioparallel exchange process for the symbol sebolic addressing exported described filtration module 801.
It should be noted that, part as also some necessity of the receiving system in digital communication system: RF receiver module, synchronization module, channel estimating and balance module, baseband signal solution frame module, channel decoding module, digital demodulation blocks etc., because these modules above-mentioned and object of the present invention there is no direct relation, be not specifically described at this.
In addition, for the up link of communication system, the receiving system of Figure 12 example is only for the Received signal strength of a user.For multi-user reception, both a set of receiving system as shown in figure 12 can be adopted respectively for each subscriber equipment, also all modules after can sharing serioparallel exchange module 803 to all subscriber equipmenies, before serioparallel exchange module 804, and adopt all modules after a set of serioparallel exchange module 804 respectively for each user.
Embodiments provide a kind of receiving system of control data transmission, by adopt in receiving system controller arrange the alternative types of conversion module in receiver, filtration module filtering parameter, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment 4,
The receiving system of the control data transmission according to above-described embodiment two, identical with described in above-described embodiment two of the functional module comprised in the present embodiment 4, because described controller is to the difference of the filtering parameter that described filtration module is arranged, make the implementation of described filtration module different, therefore, the functional unit that described filtration module comprises is different, but the effect of described filtration module is identical.Concrete, when the filtering parameter in described filtration module comprises phase rotation coefficient, as shown in figure 14, described filtration module 801 comprises: the first Fourier transform unit 801a and phase rotation units 801b.
According to the functional unit that above-mentioned filtration module 801 comprises, described receiving system comprises: the first Fourier transform unit 801a, phase rotation units 801b, conversion module 802, controller 81.Wherein, in the effect of described conversion module 802 and controller 81 and above-described embodiment two, the conversion module 802 of emission system and controller 81 act on identical, do not repeat them here.
Wherein, described first Fourier transform unit 801a, for carrying out inverse Fourier transform to the symbol sebolic addressing of input;
Described phase rotation units 801b, carries out phase rotating for the symbol sebolic addressing exported described first Fourier transform unit 801a;
Described conversion module 802, for the alternative types arranged according to described controller 81, carries out conversion process to the symbol sebolic addressing that described phase selection unit 801b exports;
Described controller 81, for the filtering parameter in described phase selection unit 801b being set to a kind of filtering parameter of data-transmission mode, and is set to the alternative types of described data-transmission mode by the alternative types in described conversion module 802.
Optionally, as shown in figure 13, described filtration module 801 also comprises: sew removal unit 808 before and after circulation, wherein, removal unit 808 is sewed for after serioparallel exchange module 803 before and after described circulation, before described first Fourier transform unit 801a, remove prefix and/or suffix for the symbol sebolic addressing exported described serioparallel exchange module 803.
It should be noted that, the compatible FDMA system of receiving system described in the present embodiment, SC-FDMA system, FMA system, ofdm system, that is, described emission system under the control of controller 81, can perform any one in FDMA system, SC-FDMA system, FMA system, ofdm system.
Example, the receiving system according to above-described embodiment 4, as shown in figure 14, described receiving system comprises: serioparallel exchange module 803, filtration module 801, serioparallel exchange module 804, conversion module 802, controller 81.Wherein, described serioparallel exchange module 803 is the serioparallel exchange device unit of a N point, described filtration module 801 comprises before and after circulation and sews removal unit 808, the first Fourier transform unit 801a in described filtration module 801 is the Fourier transform device unit of a M point, phase rotation units 801b in described filtration module 801 is the phase rotating device unit on a M road, described serioparallel exchange module 804 be M K point serioparallel exchange device unit (for simplicity's sake, three are only illustrated and conversion equipment unit 804a in Figure 14, 804b and 804c), described conversion module 802 be M K point inverse transformation block (for simplicity's sake, three inverse transformation block 802a are only shown in Figure 14, 802b and 802c).
Assuming that receiver ideal synchronisation, { r α(n), n=0,1 ..., P-1, α=0,1 ..., N-1} is the string character sequence of the parallel-serial conversion device being input to receiver.For said system, introduce the process of transfer of data in detail.
Serioparallel exchange module 803: for the string character sequence { r to input α(n), n=0,1 ..., P-1, α=0,1 ..., N-1} carries out serioparallel exchange operation.Through serioparallel exchange device, export as N point parallel symbol sequence { y α(n), n=0 ..., P-1, α=0,1 ..., N-1}.
Filtration module 801: the N point symbol sequence transformation for being exported by each moment serioparallel exchange device becomes M point symbol sequence to export, and wherein N is the over-sampling rate of bank of filters, and N >=M.Its processing procedure comprises: sewing removal unit 808, first Fourier transform unit 801a, phase rotation units 801b before and after circulation, is below the detailed description of unit.
Removal unit 808 is sewed: for the symbol sebolic addressing { y exported described serioparallel exchange module 803 before and after circulation α(n), n=0 ..., P-1, α=0,1 ..., N-1} carries out front and back and sews Transformatin, obtains symbol sebolic addressing to be: { s α(n), n=0,1 ..., P-1; α=0,1 ... P-1}.
First Fourier transform unit 801a: convert for carrying out M point FFT to the symbol sebolic addressing sewing removal unit 808 output before and after described circulation.Through FFT conversion, M parallel data sequence of input is transformed into M parallel data block sequence { v l(n), n=0,1 ..., P-1}, and the symbol sebolic addressing before FFT conversion meets following relation with the symbol sebolic addressing after FFT converts:
v l ( n ) = 1 M Σ k = 0 M - 1 q α ( n ) exp ( - j 2 παl / M ) , l = 0 , . . . , M - 1 , n = 0,1 , . . . , P - 1 ;
Wherein, coefficient effect be make the gross energy of the signal of input and output equal, play normalization effect, and this coefficient is not necessarily, can is 1, also can be substituted by other constant values, as long as adjusted when power loads.
Phase rotation units 801b: for the parallel symbol sequence { v by input l, l=0,1 ..., M-1 carries out linear phase shift w m=e -j2 π/M, the output after phase shift is w ln (), the pass between them is wherein n is the data symbol sequence sequence number of input, n=0,1 ..., P-1.N ' is the twiddle factor value of each moment of each sub-band input data.
Serioparallel exchange device 804: for each symbol sebolic addressing w after phase rotating l(n), n=0 ..., P-1 carries out serioparallel exchange operation.Through serioparallel exchange device, for l (l=0 ..., M-1) bar path, the parallel signal vector of output is t l(n), n=0 ..., P-1.
Conversion module 802: the symbol sebolic addressing for exporting each serioparallel exchange device 804 carries out the inverse transformation of K rank.Inverse transformation herein can be inverse Walsh-Hadanjard Transform, inverse Fourier transform (IDFT) or identical transformation (i.e. conversion output signal vector and input signal vector identical) etc.
Controller 81: for the Multiple Access scheme pattern adopted according to transmitting terminal, the kind of the phase rotation coefficient that the type of the conversion that decision conversion module 802 adopts, phase rotation module 801b adopt and the filter factor that matched filtering module 801 adopts.This device can know Multiple Access scheme pattern selected by transmitter by signaling transmission channel.
Embodiments provide a kind of receiving system of control data transmission, by adopt in receiving system controller arrange the alternative types of conversion module in receiver, filtration module filtering parameter, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment 5,
The receiving system of the control data transmission according to above-described embodiment two, identical with described in above-described embodiment two of the functional module comprised in the present embodiment 5, because described controller is to the difference of the filtering parameter that described filtration module is arranged, make the implementation of described filtration module different, therefore, the functional unit that described filtration module comprises is different, but the effect of described filtration module is identical.Concrete, when the filtering parameter in described filtration module is phase rotation coefficient, as shown in figure 15, described filtration module 801 comprises: cycle shift unit 801c and the second Fourier transform unit 801d.
According to the functional unit that above-mentioned filtration module 801 comprises, described receiving system comprises: cycle shift unit 801c, the second Fourier transform unit 801d, conversion module 802, controller 81.Wherein, in the effect of described conversion module 802 and controller 81 and above-described embodiment two, the conversion module 802 of emission system and controller 81 act on identical, do not repeat them here.
Wherein, described cycle shift unit 801c, for the translocation factor utilizing described controller 81 to arrange, carries out cyclic shift to the symbol sebolic addressing of input;
Described second Fourier transform unit 801d, carries out Fourier transform for the symbol sebolic addressing exported described cycle shift unit 801c;
Described conversion module 802, for the alternative types arranged according to described controller 81, carries out conversion process to the symbol sebolic addressing that described second Fourier transform unit 801d exports;
Described controller 81, for the filtering parameter in described cycle shift unit 801c being set to a kind of filtering parameter of data-transmission mode, and is set to the alternative types of described data-transmission mode by the alternative types in described conversion module 802.
Optionally, as shown in figure 15, described filtration module 801 also comprises: sew removal unit 808 before and after circulation, wherein, removal unit 808 is sewed for after serioparallel exchange module 803 before and after described circulation, before described cycle shift unit 801c, remove prefix and/or suffix for the symbol sebolic addressing exported described serioparallel exchange module 803.
It should be noted that, the compatible FDMA system of receiving system described in the present embodiment, SC-FDMA system, FMA system, ofdm system, that is, described emission system under the control of controller 81, can perform any one in FDMA system, SC-FDMA system, FMA system, ofdm system.
Known by comparing Figure 13 and Figure 15, the difference of two kinds of emission systems is: the first Fourier transform unit 801a in Figure 13 is replaced with the cycle shift unit 801c in Figure 15, by the cycle shift unit 801d replaced with phase rotation units 801b in Figure 15 in Figure 13, the function that in Figure 13 and Figure 15, filtration module realizes is identical, just adopt different implementations, the practical function of all the other modules is also identical.Identical with the function of the first Fourier transform unit 801a in Figure 13 for the second Fourier transform unit 801d in Figure 15, do not repeat them here.
Example, the receiving system according to above-described embodiment 5, as shown in figure 16, described receiving system comprises: serioparallel exchange module 803, filtration module 801, serioparallel exchange module 804, conversion module 802, controller 81.Wherein, described serioparallel exchange module 803 is the serioparallel exchange device of a N point, described filtration module 801 comprises before and after circulation and sews removal unit 808, cycle shift unit 801c in described filtration module 801 is the cyclic shift device on a N road, the second Fourier transform unit 801d in described filtration module 801 is the Fourier transform device of a M point, described serioparallel exchange module 804 be M K point serioparallel exchange unit (for simplicity's sake, three are only illustrated and conversion equipment unit 804a in Figure 13, 804b and 804c), described conversion module 802 be M K point transformation unit (for simplicity's sake, three inverse transformation block 802a are only shown in Figure 13, 802b and 802c).
Assuming that receiver ideal synchronisation, { r α(n), n=0,1 ..., P-1, α=0,1 ..., N-1} is the string character sequence of the parallel-serial conversion device being input to receiver.For said system, introduce the process of transfer of data in detail.
Serioparallel exchange module 803: for the string character sequence { r to input α(n), n=0,1 ..., P-1, α=0,1 ..., N-1} carries out serioparallel exchange operation.Through serioparallel exchange device, export as N point parallel symbol sequence { y α(n), n=0 ..., P-1, α=0,1 ..., N-1}.
Filtration module 801: the N point symbol sequence transformation for being exported by each moment serioparallel exchange device becomes M point symbol sequence to export, and wherein N is the over-sampling rate of bank of filters, and N >=M.Its processing procedure comprises: sewing removal unit 808, cycle shift unit 801c, the second Fourier transform unit 801d before and after circulation, is below the detailed description of unit.
Removal unit 808 is sewed: for the symbol sebolic addressing { y exported described serioparallel exchange module 803 before and after circulation α(n), n=0 ..., P-1, α=0,1 ..., N-1} carries out front and back and sews Transformatin, obtains symbol sebolic addressing to be: { s α(n), n=0,1 ..., P-1; α=0,1 ... P-1}.
Cycle shift unit 801c: the signal exported for circulation front and back being sewed removal unit 808 carries out cyclic shift n ', exports as q ' α(n).N ' is the cyclic shift factor values of each sub-band per moment input data, can equal n, also can be the integral multiple of n, can be also constant value, depend on the pattern configurations of different Multiple Access scheme, be determined by controller 81.
Second Fourier transform unit 801d: the symbol sebolic addressing for exporting cycle shift unit 801c carries out Fourier's change.Through FFT conversion, M parallel data sequence of input is transformed into M parallel data block sequence { v l(n), n=0,1 ..., P-1}, and the symbol sebolic addressing before FFT conversion meets each other with the symbol sebolic addressing after FFT converts:
v l ( n ) = 1 M Σ k = 0 M - 1 q α ( n ) exp ( - j 2 παl / M ) , l = 0 , . . . , M - 1 , n = 0,1 , . . . , P - 1 ;
Wherein, coefficient effect be make the gross energy of the signal of input and output equal, play normalization effect, not necessarily, can be 1, also can be substituted by other constant values, as long as adjusted when power loads.
Serioparallel exchange device 804: for each symbol sebolic addressing w after phase rotating l(n), n=0 ..., P-1 carries out serioparallel exchange operation.Through serioparallel exchange device, for l (l=0 ..., M-1) bar path, the parallel signal vector of output is t l(n), n=0 ..., P-1.
Conversion module 802: the symbol sebolic addressing for exporting each serioparallel exchange device carries out the inverse transformation of K rank.Inverse transformation herein can be inverse Walsh-Hadanjard Transform, inverse Fourier transform (IDFT) or identical transformation (i.e. conversion output signal vector and input signal vector identical) etc.
Controller 81: for the Multiple Access scheme pattern adopted according to transmitting terminal, the translocation factor that the type of the conversion that decision conversion module 802 adopts, cycle shift unit 801c adopt.This device can know Multiple Access scheme pattern selected by transmitter by signaling transmission channel.
Embodiments provide a kind of receiving system of control data transmission, by adopt in receiving system controller arrange the alternative types of conversion module in receiver, filtration module filtering parameter, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment 6,
Embodiments provide a kind of receiving system of control data transmission, based on the receiving system described in embodiment 4 and embodiment 5, as shown in FIG. 17 and 18, described filtration module 80 also comprises:
Windowing unit 805, carries out windowing process for the symbol sebolic addressing exported described buffer unit 807;
Summing elements 806, symbol sebolic addressing for exporting described windowing unit 805 carries out segmentation accumulation process, to make described first inverse Fourier transform unit 801a carry out inverse Fourier transform to the symbol sebolic addressing that described summing elements 806 exports, or described cycle shift unit carries out cyclic shift process to the symbol sebolic addressing that summing elements described in 801c 806 exports;
Described controller 81, also for the window function in described windowing unit 805 being set to the window function that described data transmission module is specified.
Optionally, described filtration module 80 also comprises: cell fifo 807, wherein, after described cell fifo is used for serioparallel exchange module 803, before windowing unit 805, for receiving data stored in FIFO buffer area.
Optionally, described controller 81 is for sending the first Indication message to described windowing unit 805, and described first Indication message comprises the pattern identification of data-transmission mode; Described windowing unit 805, also for by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the window function of described windowing unit 805;
Or optional, described controller 81 is for sending the second Indication message to described windowing unit 805, and described second Indication message comprises the mark of window function; Described windowing unit 805, also for by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described windowing unit 805.
When described receiving system comprises the functional module described in embodiment 4 and embodiment 6, optionally, if then described controller 81 determines that data-transmission mode adopts cdma system, the window function type that then described windowing unit 805 adopts is root raised cosine window function, and the phase rotation coefficient that described phase rotation units 801b adopts is the alternative types that described conversion module 802 adopts is inverse Walsh-Hadanjard Transform; Wherein, W m=e -j2 π/M, n '=Nn, 0≤k≤M-1,0≤n≤K-1.
Or it is optional, if described controller 81 determines that data-transmission mode adopts ofdm system, the window function type that then described windowing unit 805 adopts is rectangular window function, the phase rotation coefficient that described phase rotation units 801b adopts is 0 or N, and the alternative types that described conversion module 802 adopts is Fourier transform.
Or it is optional, if described controller 81 determines that data-transmission mode adopts ofdm system, the window function type that then described windowing unit 805 adopts is rectangular window function, the phase rotation coefficient that described phase rotation units 801b adopts is 0 or N, and the alternative types that described conversion module 802 adopts is identical transformation.
When described receiving system comprises the functional module described in embodiment 5 and embodiment 6, optionally, if described controller 81 established data transmission mode adopts cdma system, the window function type that then described windowing unit 805 adopts is root raised cosine window function, the translocation factor that described cycle shift unit adopts is mN or mN mod M, wherein m is the time sequence number of sampling point, and the alternative types that described conversion module 802 adopts is inverse Walsh-Hadanjard Transform.
Optionally, if described controller 81 established data transmission mode adopts WCDMA system, the window function type that then described windowing unit 805 adopts is root raised cosine window function, the translocation factor that described cycle shift unit adopts is mN or mN mod M, wherein m is the time sequence number of sampling point, and the alternative types that described conversion module 802 adopts is inverse Walsh-Hadanjard Transform.
Or it is optional, if described controller 81 determines that data-transmission mode adopts ofdm system, the window function type that then described windowing unit 805 adopts is rectangular window function, the translocation factor that described cycle shift unit adopts is 0 or N, and the alternative types that described conversion module 802 adopts is Fourier transform.
Or it is optional, if described controller 81 determines that data-transmission mode adopts ofdm system, the window function type that then described windowing unit 805 adopts is rectangular window function, and the translocation factor that described cycle shift unit adopts is 0 or N, and the alternative types that described conversion module 802 adopts is identical transformation.
It should be noted that, on the receiving system basis shown in embodiment 4 and embodiment 5, emission system in the present embodiment compatible cdma system, WCDMA system, FDMA system, SC-FDMA system, FMA system, ofdm system, that is, under the control of controller 11, described emission system can perform any one in cdma system, WCDMA system, FDMA system, SC-FDMA system, FMA system, ofdm system.
Simultaneously, because CDMA (or WCDMA) technology and OFDM technology have advantage at low speed and high-speed transfer respectively, by the configuration of controller to parameter in the present embodiment, learn from other's strong points to offset one's weaknesses and construct a comprehensive technological system, have the advantage of CDMA (or WCDMA) technology and OFDM technology concurrently.
Example, receiving system as shown in figure 17, assuming that receiver ideal synchronisation, and suppose r (n), n is integer or natural number, for being input to the string character sequence of the parallel-serial conversion device 30 of receiver; Concrete, the process of the control data transmission of the embodiment of the present invention comprises:
Serioparallel exchange module 803: for the string character sequence { r to input α(n), n=0,1 ..., P-1, α=0,1 ..., N-1} carries out serioparallel exchange operation.Through serioparallel exchange device, export as N point parallel symbol sequence { y α(n), n=0 ..., P-1, α=0,1 ..., N-1}.
Filtration module 801, become M point symbol sequence to export for the N point symbol sequence transformation each moment serioparallel exchange module exported, wherein N is the over-sampling rate of bank of filters, and N>M.Its processing procedure comprises: slip cell fifo, the matched filter of L point and the segmentation of M point adding up device, inverse Fourier transform device and M road phase rotating device.It is below the detailed description of each device.
Cell fifo 807: the serial data for receiving carries out buffer memory, the memory length of this FIFO device is L, and buffer memory step-length is N '; Namely shift out the individual data of the oldest N ', simultaneously stored in the individual data of up-to-date N ' at every turn; y γ=r (nN'-L+ γ), γ=0,1 ..., L-1, has upgraded all data of backward parallel read-out after data: γ=0,1 ..., L-1.
In the starting stage, when also there is no data in buffer memory, be defaulted as 0; Namely as nN'-L+ γ <0, y γ=0.
Windowing unit 806: for the parallel symbol sequence of blocks of data after the process of slip FIFO device carry out matched filtering.After matched filtering, the sequence of blocks of data of parallel input is transformed into corresponding sequence of blocks of data { h γ, γ=0,1 ..., L-1}, relation is each other obeyed h &gamma; ( n ) = f p ( &gamma; ) &CenterDot; y ~ &gamma; ( n ) , n=0,1,...,P-1。Wherein { f p * ( &gamma; ) , &gamma; = 0,1,2 . . . , L - 1 } For the conjugation of bank of filters prototype filter coefficient (that is impulse response), wherein L is filter length, and its frequency response is the response of list frequency band low-pass filter frequency.This filter meets shift-orthogonal condition: n is filter shift-orthogonal interval, that is bank of filters over-sampling rate, and filter length L meets the common multiple of M and N.Herein, prototype filter can be dissimilar time domain window function, depends on the pattern configurations of different Multiple Access scheme, is determined by device 34 control information.Preferably, root raised cosine filter, Sinc function window or rectangular window can be adopted.
Summing elements 806, for the symbol sebolic addressing h exported by matched filter γ(n), γ ∈ 0,1 ..., L-1} carries out segmentation according to parameter M and adds up, and exports to be
q &alpha; ( n ) = &Sigma; &beta; = 0 L / M - 1 h &alpha; + M&beta; ( n + &beta; ) &alpha; &Element; { 0,1 , . . . , M - 1 } , n &Element; { 0,1 . . . , P - 1 } .
First Fourier transform module 801a: for repeating the symbol sebolic addressing q that adding up device exports to P the cycle of input α(n), n=0 ..., P-1 carries out M point FFT and converts.Through FFT conversion, M parallel data sequence of input is transformed into M parallel data block sequence { v l(n), n=0,1 ..., P-1}, and
v l ( n ) = 1 M &Sigma; k = 0 M - 1 q &alpha; ( n ) exp ( - j 2 &pi;&alpha;l / M ) , l = 0 , . . . , M - 1 , n = 0,1 , . . . , P - 1 ;
Wherein coefficient effect be make the gross energy of the signal of input and output equal, play normalization effect, not necessarily, can be 1, also can be substituted by other constant values, as long as adjusted when power loads.
Phase rotation module 801b: for the parallel symbol sequence { v by input l, l=0,1 ..., M-1 carries out linear phase shift w m=e -j2 π/M.Export as w ln (), the pass between them is wherein n is the data symbol sequence sequence number of input, n=0,1 ..., P-1.N ' is the twiddle factor value of each moment of each sub-band input data, can equal n, also can be the integral multiple of n, can be also constant value, depend on the pattern configurations of different Multiple Access scheme, be determined by controller 81.Preferably, as FIFO step-length N '=N, adopt n '=Nn, be the analysis filterbank demodulation structure realized based on prototype filter.
Serioparallel exchange module 804: for each symbol sebolic addressing w after phase rotating l(n), n=0 ..., P-1 carries out serioparallel exchange operation.Through serioparallel exchange device, for l (l=0 ..., M-1) bar path, the parallel signal vector of output is t l(n), n=0 ..., P-1.
Conversion module 802: the symbol sebolic addressing for exporting each serioparallel exchange device carries out the inverse transformation of K rank.Inverse transformation herein can be inverse Walsh-Hadanjard Transform, inverse Fourier transform (IDFT) or identical transformation (i.e. conversion output signal vector and input signal vector identical) etc.
Controller 81: for the Multiple Access scheme pattern adopted according to transmitting terminal, the window function type adopted in the phase rotation coefficient that the alternative types determining to adopt in conversion module 802, phase rotation units 801b adopt and windowing unit 805.Controller 81 can know Multiple Access scheme pattern selected by transmitter by signaling transmission channel.
Embodiments provide a kind of receiving system of control data transmission, by adopt in receiving system controller arrange the alternative types of conversion module in receiver, filtration module filtering parameter, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment three,
The emission system of the control data transmission according to above-described embodiment one and embodiment two is with under reception, embodiments provide a kind of system of control data transmission, this system comprises emission system and the receiving system corresponding with described emission system.
Wherein, as shown in figure 19, described emission system comprises: conversion module 1601, parallel serial conversion module 1602, filtration module 1603, parallel serial conversion module 1604, controller 1605.Described conversion module 1601 comprises M K point transformation unit (for simplicity's sake, three converter unit 1601a are only shown in Figure 19, 1601b, 1601c), described parallel serial conversion module 1602 comprises M K point parallel serial conversion unit (for simplicity's sake, three parallel serial conversion unit 1602a are only shown in Figure 19, 1602b, 1602c), described filtration module comprises a M road phase rotation units 1603a, the inverse Fourier transform unit 1603b of a M point, a cell fifo 1603c, adding device 1603f is sewed before and after a circulation, the time-domain windowed unit 1603d of a L point, a N repeats summing elements 1603e and form dot cycle, described controller 1605 comprises a unified Multiple Access scheme mode controlling unit.
As shown in figure 20, described receiving system comprises: serioparallel exchange module 1701, filtration module 1702, serioparallel exchange module 1703, conversion module 1704, controller 1705.Wherein, described serioparallel exchange module 1701 comprises the serioparallel exchange unit of a N point, described filtration module 1702 comprises a slip cell fifo 1702a, the matched filtering unit 1702b of a L point, the cycle of a M point repeats summing elements 1702c, an IFFT converter unit 1702d and M road phase rotation units 1702e of a M point, described serioparallel exchange unit 1703 comprises M K point serioparallel exchange unit (for simplicity's sake, Figure 20 only illustrates three 1703a, 1703b, 1703c), described conversion module 1704 comprises M K point inverse transformation block (for simplicity's sake, Figure 20 only illustrates three 1704a, 1704b, 1704c), described controller 1705 comprises a unified Multiple Access scheme mode controlling unit.
Suppose to adopt CDMA data-transmission mode, be then transformed to Walsh-Hadanjard Transform matrix in M described in emission system K point transformation unit, the phase rotation coefficient in phase rotation units is window function type in time-domain windowed unit is root raised cosine filter, and meanwhile, receiving terminal is corresponding inverse processing procedure.Setting { a k(n), n=0,1, ..., K-1} is the parallel modulated symbols sequence be input on a kth sub-band, M be in inverse Fourier transform unit IFFT conversion count, N is the up-sampling rate of carrier signal, and L is the length of root raised cosine filter, and K is sub-band number.Example, the transmitting procedure of data is described in detail for M=16, N=20, L=320.
Emission system:
M K point transformation unit 1601a, 1601b, 1601c: for carrying out the conversion of K rank to the modulation symbol data stream of each parallel input.Data symbol sequence after the Walsh-Hadanjard Transform through converter unit 1601a, 1601b, 1601c, the parallel symbol sequence { a of input k(n), n=0,1 ..., K-1} is transformed into corresponding symbol sebolic addressing { b k(m), m=0,1 ..., K-1}.
M parallel serial conversion unit 1602a, 1602b, 1602c: for the symbol sebolic addressing { b after converter unit 1601a, 1601b, 1601c k(m), m=0,1 ..., K-1} carries out parallel-serial conversion operation.Through parallel serial conversion unit, 16 sub-band parallel symbol sequences in m moment are { c k, k=0,1 ..., 15.
Phase rotation units 1603a: for the M road subband data symbol sebolic addressing { c by input k, k=0,1 ..., 15 carry out linear phase shift.Concrete, in kth way frequency band the symbol in m moment respectively with phase shift factor be multiplied, export as d k(m), as shown in figure 21, the symbol c in the 0th moment in the 0th way frequency band 0(m) and phase rotation coefficient be multiplied, export as d 0(m), the symbol c in the 0th moment in the 0th way frequency band 1(m) and phase rotation coefficient be multiplied, export as d 1(m), the like, the symbol c in the 0th moment in the 15th way frequency band 15(m) and phase rotation coefficient be multiplied, export as d 15(m).
Inverse Fourier transform unit 1603b: for M the symbol sebolic addressing d exported each moment phase rotation units k(m), k=0 ..., M-1 carries out M point IFFT and converts.Symbol sebolic addressing d km (), through IFFT converting means, the transform sequence obtaining the m moment is
e l ( m ) = 1 16 &Sigma; k = 0 15 d k ( m ) exp ( j 2 &pi;kl / 16 ) , l = 0 , . . . 15 .
Cell fifo 1603c: { the e in each moment l(m) } the FIFO device that enters based on index-mapping from data fifo input window processes, and its data flow is as shown in figure 22.In the 0th moment, by 16 parallel data symbols { e of current 0th moment input l(m), l=0,1 ..., M-1} by its indices modulo computing be mapped as length be 20 parallel data symbols e ' μ(m), μ=0,1 ..., N-1} is e ' wherein μ(m)=e μm odM(m), and be buffered in the free space of front N length of this cell fifo; Secondly, be the output parallel read-out of storage data as the m moment of L using length in this cell fifo current, namely e ' μ(m), e ' μ(m-1) ..., e ' μ(m-L/N+1) }, μ=0,1 ..., N-1; Then, by the stored symbols sequence of every section of N length in current cell fifo by indices modulo operation rule be mapped as e " μ(m), e " μ(m-1) ..., e " μ(m-L/N+1) }, μ=0,1 ..., N-1, wherein e " μ(m)=e ' (μ+N-M) modM(m).Again the symbol sebolic addressing mapped to be slided N point by the stack manipulation mode of first-in first-out, namely the N point symbol sequence entering the m-L/N+1 moment of this cell fifo is at first skidded off release, before this unit, the memory space of N length is then vacated by as buffering area, waits for the data input reason in m+1 moment.By that analogy, move in circles.
Cyclic suffix adding device 1603f: the data for exporting for cell fifo 1603c carry out interpolation suffix, as shown in figure 23, the present embodiment is described for mobile.As can be seen from Figure 23, front 4 data in 0-15 moment become last four of these data after mobile 4.
Time-domain windowed unit 1603d: from cyclic suffix adding device 1603f export L point data symbol sebolic addressing through time-domain windowed device, namely do dot product with prototype filter coefficient, its data flow is as shown in figure 24.The sequence of blocks of data of parallel input is transformed into corresponding sequence of blocks of data:
{ g ~ &delta; ( m ) , &delta; = 0,1 , . . . , L - 1 } = { g &mu; ( m ) , g &mu; + N ( m - 1 ) , . . . g &mu; + ( M - 1 ) N ( m - M + 1 ) , &mu; = 0,1 , . . . , N - 1 } ;
Relation is each other obeyed m=0,1 ..., K-1.Wherein { f p(δ), δ=0,1,2..., L-1} are bank of filters prototype filter coefficient (that is impulse response), and wherein L is filter length, and its frequency response is the response of list frequency band low-pass filter frequency.
Summing elements 1603e: for the sequence of blocks of data that time-domain windowed unit 1603d is exported δ ∈ 0,1 ..., L-1} repeated to add up by the cycle N cycle of carrying out, and as shown in figure 25, exported N point symbol sequence { s α(0), α=0,1 ..., 19}.Equally, the M point symbol sequence in the 1st moment exports N point symbol sequence { s after synthesis filter banks device α(1), α=0,1 ..., 19}.By that analogy, move in circles, obtain s αthe N point symbol sequence in the m moment of (m), as shown in figure 26.
Parallel serial conversion unit 1604: for the parallel data block sequence { s to input α(m), m=0 ..., K-1, α=0,1 ..., N-1} carries out parallel-serial conversion operation.Through parallel serial conversion unit, export as serial data symbols sequence { x α(m), m=0 ..., K-1, α=0,1 ..., N-1}, the signal for transmitting terminal is launched.
Unified Multiple Access scheme mode controlling unit 1605, different multicast modes is realized, by controlling the type of window function in the selected type of conversion, the phase rotation coefficient of phase rotation units 1603a and time-domain windowed unit 1603d in converter unit (1601a, 1601b, 1601c) based on unified structure.Alternative types in the present embodiment adopts Walsh-Hadamard (WH) conversion, and phase rotation coefficient is window function type is root raised cosine filter.Concrete, described unified Multiple Access scheme mode controlling unit 1605 is that suitable multiple access transmission mode selected by transmitter according to predetermined decision parameter.Decision parameter comprises: QoS demand, receiver ability, the powering mode etc. of spectral mask requirement, subscriber equipment.
Receiving system
Serioparallel exchange module 1701: the string character sequence for emission system being exported converts parallel symbol sequence to.The string character sequence r that receiving terminal receives α(n) through serioparallel exchange device, the parallel symbol sequences y of output α(n).
16 the N point symbol sequences received successively are formed the symbol sebolic addressing of L points by cell fifo 1702a:FIFO unit, as shown in figure 27.Y αn the parallel data block length of () is 20,0th reception to 20 point sequences enter from data fifo input window, form 320 point data parallel outputs with individual 0th moment of (320-20) in glide direction, correspond to input time is data before the 0th moment.Then all 320 point data to be slided 20 points to glide direction, the 1st reception to 20 point sequences enter slip FIFO device, move in circles.Until the 15th moment N point symbol sequence enters slip FIFO device, 320 point data now exported are just 320 point data symbol sebolic addressings of the 0th moment of corresponding transmitting terminal demodulation needs.
Windowing unit 1702b: carry out dot product with matched filter coefficient, the L point symbol sequence after formation processing.Matched filtering is carried out to the parallel symbol sequence after the process of slip FIFO device.After matched filtering, the sequence of blocks of data of parallel input is transformed into corresponding sequence of blocks of data { h γ, γ=0,1 ..., L-1}, relation is each other obeyed n=0,1 ..., P-1.Wherein for the conjugation of bank of filters prototype filter coefficient (that is impulse response), wherein L is filter length, and its frequency response is the response of list frequency band low-pass filter frequency.This filter meets shift-orthogonal condition:
&Sigma; n = 0 L - 1 f p ( n ) f p * ( n - kN ) = &delta; ( k ) ,
Wherein, N is filter shift-orthogonal interval, that is bank of filters over-sampling rate, and filter length L meets the common multiple of M and N.
Summing elements 1702c: be the cycle carry out repeating to add up with M, this process is equivalent to the matrix column vector of 320 × 1 in empty frame being reassembled as 16 × 20, then carry out by row summation to this matrix, obtain the column vector of 16 × 1, now namely obtain the M point output symbol sequence in 0 moment, as shown in figure 28.Figure 28 illustrate only the recovery process in M point symbol sequence before Fourier transform operation, only exports for 0 moment herein and illustrates.
Fourier transform unit 1702d: for repeating the symbol sebolic addressing q that adding up device exports to P the cycle of input α(n), n=0 ..., P-1 carries out M point FFT and converts.Through FFT conversion, M parallel data sequence of input is transformed into M parallel data block sequence { v l(n), n=0,1 ..., P-1}, and
v l ( n ) = 1 M &Sigma; k = 0 M - 1 q &alpha; ( n ) exp ( - j 2 &pi;&alpha;l / M ) , l = 0 , . . . , M - 1 , n = 0,1 , . . . , P - 1 .
Phase rotation units 1702e: for the parallel symbol sequence { v by input l, l=0,1 ..., M-1 carries out linear phase shift w m=e -j2 π/M.Export as w ln (), the pass between them is wherein n is the data symbol sequence sequence number of input, n=0,1 ..., P-1.N ' is the twiddle factor value of each moment of each sub-band input data.
Serioparallel exchange unit 1703a, 1703b, 1703c: for each symbol sebolic addressing w after phase rotating l(n), n=0 ..., P-1 carries out serioparallel exchange operation.Through serioparallel exchange device, for l (l=0 ..., M-1) bar path, the parallel signal vector of output is t l(n), n=0 ..., P-1.
Converter unit 1704a, 1704b, 1704c: the symbol sebolic addressing for exporting each serioparallel exchange device carries out the inverse transformation of K rank.The present embodiment adopts and is inversely transformed into inverse Walsh-Hadanjard Transform.
Controller 1705: for according to the Multiple Access scheme pattern adopted in emission system, determine the type of window function in the selected type of conversion, the twiddle factor type of phase rotation units 1702e and matched filtering unit 1702b in converter unit 1704a, 1704b, 1704c.Controller 1705 in this receiving system can know Multiple Access scheme pattern selected in emission system by signaling transmission channel.
Embodiments provide a kind of system of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment four,
Embodiments provide a kind of system of control data transmission, comprising: emission system and the receiving system corresponding with emission system.Module in this emission system and receiving system can module in reference example three, its difference is, data-transmission mode in the embodiment of the present invention adopts the OFDM data transmission mode of adding Cyclic Prefix, so, in converter unit in emission system, conversion adopts identical transformation matrix, and the phase rotation coefficient in phase rotation units is and m '=2M-N, the rectangular window of to be width the be N of the window function type in time-domain windowed unit, namely prototype filter impulse response is:
f p ( n ) = 1 n = 0,1 , . . . , N - 1 0 n = N , N + 1 , . . . , L - 1 ,
Adopt in receiving system and corresponding inverse processing procedure in emission system.Equally, for the parameter configuration in embodiment three, i.e. M=16, N=20, L=320, then the cycle repeats the per moment output stream after adding up as shown in figure 29.
If the same hypothesis m moment after the IFFT conversion of 16, is C without the data after phase rotating process l(m), i.e. traditional ofdm signal processing procedure.Then according to carried bank of filters transmitting device, herein because phase shift factor is therefore, after IFFT conversion, data symbol is equivalent to C lm () completes the cyclic shift of 12, then through cyclic extensions, after carrying out the filtering of time domain rectangle window dot product, the data symbol of each moment output N=20 point.This treatment effect is equivalent to the OFDM multicast scheme of the descending interpolation Cyclic Prefix of LTE, is namely first the IFFT of M point, then adds the Cyclic Prefix that (N-M) put.In addition, institute's uniform transmission scheme of carrying can according to system design considerations, by adjustment prototype filter up-sampling rate, and the length of adaptive change Cyclic Prefix and position.Such as, the ratio of Cyclic Prefix is 1/4 of data block length herein.
Embodiments provide a kind of system of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment five,
Embodiments provide a kind of system of control data transmission, comprising: emission system and the receiving system corresponding with emission system.Module in this emission system and receiving system can module in reference example three, its difference is, data-transmission mode in the embodiment of the present invention adopts the N* single carrier-frequency division multiple access system (SC-FDMA) adding Cyclic Prefix, so, in converter unit in emission system, conversion adopts Fourier transform matrix, and the phase rotation coefficient in phase rotation units is and m '=2M-N, the rectangular window of to be width the be N of the window function type in time-domain windowed unit, namely prototype filter impulse response is:
f p ( n ) = 1 n = 0,1 , . . . , N - 1 0 n = N , N + 1 , . . . , L - 1 ,
Adopt in receiving system and corresponding inverse processing procedure in emission system.Specifically describe except converting means, all the other operations are identical with embodiment four, do not repeat them here
Embodiments provide a kind of system of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment six,
For the controller described in above-described embodiment one to embodiment five emission system, embodiments provide a kind of controller, as shown in figure 30, described controller comprises:
Determination module 2601, for determining the data-transmission mode that transfer of data is applied;
First arranges module 2602, for the alternative types in transmitter being set to the alternative types of described determination module 2601 established data transmission mode;
Second arranges module 2603, for the filtering parameter in described transmitter being set to the filtering parameter of described determination module 2601 established data transmission mode.
Optionally, as shown in figure 31, described controller also comprises: the 3rd arranges module 2604, for by the window function type in described transmitter, is set to the window function type that described determination module 2601 established data transmission mode is specified.
Optionally, described first arranges module 2602 specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described transmitter; Or,
Described first arranges module 2602 specifically for sending the second Indication message to described transmitter, described second Indication message comprises the type identification of alternative types, to make described transmitter by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described transmitter.
Optionally, described second arranges module 2603 specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described transmitter; Or,
Described second arranges module 2603 specifically for sending the second Indication message to described transmitter, described second Indication message comprises the mark of filtering parameter, to make described transmitter by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described transmitter.
Optionally, described 3rd arranges module 2604 specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described transmitter; Or,
Described 3rd setting unit 2604 is specifically for sending the second Indication message to described transmitter, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of window function in described second Indication message, be defined as the window function of described transmitter
Optionally, as shown in figure 31, described determination module 2601 comprises:
First determining unit 2601a, for determining the decision parameter of data-transmission mode; The decision parameter of described data-transmission mode comprises: receiver ability, at least one in the powering mode of service quality QoS, spectral mask requirement, subscriber equipment;
Second determining unit 2601b, for the decision parameter according to described first determining unit 2601a established data transmission mode, determines the data-transmission mode that need use.
It should be noted that, the controller of emission system described in the present embodiment also can be applied in receiving system, namely emission system can share a controller with receiving system, and when controller is in emission system, controller needs to inform receiving system in the parameter that emission system adopts; When emission system and receiving system adopt respective controller respectively, the parameter needing a side wherein it to be adopted, informs the controller of the opposing party, adopts identical optimum configurations to make emission system and receiving system.
Below, for according to above-mentioned controller, in conjunction with Figure 32, the method for controller control data transmission will be described, comprise:
Step 2801, determine the data-transmission mode that transfer of data is applied.
Wherein, the described data-transmission mode determining that transfer of data is applied comprises:
A () determines the decision parameter of data-transmission mode; The decision parameter of described data-transmission mode comprises: at least one in the powering mode of receiver ability, service quality QoS, spectral mask requirement, subscriber equipment;
B (), according to the decision parameter of described data-transmission mode, determines the data-transmission mode that need use.
Step 2802, the alternative types in transmitter is set to the alternative types of described data-transmission mode.
Optionally, the first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described transmitter.
Or it is optional, the second Indication message is sent to described transmitter, described second Indication message comprises the type identification of alternative types, to make described transmitter by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described transmitter.
Step 2803, the filtering parameter in described transmitter is set to the filtering parameter of described data-transmission mode.
Optionally, the first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described transmitter.
Or it is optional, described second arranges module sends the second Indication message to described transmitter, described second Indication message comprises the mark of filtering parameter, to make described transmitter by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described transmitter.
If described controller also needs the type determining window function in transmitter, then continue to perform step 2804.
Step 2804, by the window function type of described transmitter, be set to the window function type that described data-transmission mode is specified.
Optionally, the first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described transmitter.
Or it is optional, the second Indication message is sent to described transmitter, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described transmitter.
Embodiments provide a kind of controller of control data transmission, by adopting controller in emission system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
Embodiment seven,
For the controller described in above-described embodiment one to embodiment five receiving system, embodiments provide a kind of controller, as shown in figure 33, described controller comprises:
Determination module 2901, for determining the data-transmission mode that transfer of data is applied;
First arranges module 2902, for the filtering parameter in receiver being set to the filtering parameter of described determination module 2901 established data transmission mode;
Second arranges module 2903, for the alternative types in described receiver being set to the alternative types of described determination module 2901 established data transmission mode.
Optionally, as shown in figure 34, described controller also comprises: the 3rd arranges module 2904, for by the spectral window type function in described receiver, is set to the window function type that described determination module 2901 established data transmission mode is specified.
Optionally, described first arranges mould 2902 specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described receiver; Or,
Described first arranges module 2902 specifically for sending the second Indication message to described receiver, described second Indication message comprises the mark of filtering parameter, to make described receiver machine by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described receiver.
Optionally, described second arranges module 2903 specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described receiver; Or,
Described second arranges module 2903 specifically for sending the second Indication message to described receiver, described second Indication message comprises the type identification of alternative types, to make described receiver by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described receiver.
Optionally, described 3rd arranges module 2904 specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the spectral window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the spectral window function of described receiver; Or,
Described 3rd setting unit 2904 is specifically for sending the second Indication message to described receiver, described second Indication message comprises the mark of spectral window function, to make described transmitter by the spectral window function indicated by the mark of spectral window function in described second Indication message, be defined as the spectral window function of described receiver.
Optionally, as shown in figure 34, described determination module 2901 comprises:
Acquiring unit 2901a, for obtaining the data-transmission mode of transmitter;
Determining unit 2901b, for the data-transmission mode obtained according to described acquiring unit 2901a, determines the data-transmission mode that need use.
It should be noted that, the controller of receiving system described in the present embodiment also can be applied in transmitting system, and namely emission system can share a controller with receiving system, and controller needs to inform emission system in the parameter that receiving system adopts; When emission system and receiving system adopt respective controller respectively, the parameter needing a side wherein it to be adopted, informs the controller of the opposing party, adopts identical optimum configurations to make emission system and receiving system.
Below, for according to above-mentioned controller, in conjunction with Figure 35, the method for controller control data transmission will be described, comprise:
Step 3101, determine the data-transmission mode that transfer of data is applied.
Concrete, the described data-transmission mode determining that transfer of data is applied comprises: the data-transmission mode obtaining transmitter; According to the data-transmission mode of described transmitter, determine the data-transmission mode that need use.
The data-transmission mode of described acquisition transmitter, can be known by signaling transmission channel and also can be data-transmission mode selected by transmitter know according to pre-configured data-transmission mode, certainly be not limited thereto.
Step 3102, the filtering parameter in receiver is set to the filtering parameter of described data-transmission mode.
Optionally, the first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described receiver.
Or it is optional, the second Indication message is sent to described receiver, described second Indication message comprises the mark of filtering parameter, to make described receiver by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, is defined as the filtering parameter of described receiver.
Step 3103, the alternative types in described receiver is set to the alternative types of described data-transmission mode.
Optionally, the first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described receiver.
Or it is optional, the second Indication message is sent to described receiver, described second Indication message comprises the type identification of alternative types, to make described receiver by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described receiver.
If described controller also needs the type determining window function in transmitter, then continue to perform step 3104.
Step 3104, by the spectral window type function of described receiver, be set to the spectral window type function that described data-transmission mode is specified.
Optionally, the first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the spectral window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the spectral window function of described receiver.
Or it is optional, the second Indication message is sent to described receiver, described second Indication message comprises the mark of spectral window function, to make described receiver by the spectral window function indicated by the mark of spectral window function in described second Indication message, be defined as the spectral window function of described receiver.
Embodiments provide a kind of controller of control data transmission, by adopting controller in receiving system, the alternative types of conversion module in transmitter, the filtering parameter of filtration module are set, carry out setting data and transmit the pattern adopted, adopt the communication equipment of complete set to carry out transfer of data to solve different communication systems, reduce communication equipment cost.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit comprises, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, be called for short ROM), random access memory (Random Access Memory, be called for short RAM), magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (39)

1. an emission system, is characterized in that, comprising: transmitter and controller; Wherein, described transmitter comprises:
Conversion module, for the alternative types arranged according to described controller, carries out conversion process to the symbol sebolic addressing of input;
Filtration module, for the filtering parameter utilizing described controller to arrange, carries out filtering process to the symbol sebolic addressing that described conversion module exports;
Described controller, for the alternative types in described conversion module being set to a kind of alternative types of data-transmission mode, and is set to the filtering parameter of described data-transmission mode by the filtering parameter in described filtration module.
2. emission system according to claim 1, is characterized in that, described filtering parameter comprises phase rotation coefficient;
Described filtration module comprises:
Phase rotation units, for the phase rotation coefficient utilizing described controller to arrange, carries out phase rotating to the symbol sebolic addressing that described conversion module exports;
First inverse Fourier transform unit, carries out inverse Fourier transform for the symbol sebolic addressing exported described phase rotation units.
3. emission system according to claim 1, is characterized in that, described filtering parameter comprises translocation factor;
Described filtration module comprises:
Second inverse Fourier transform unit, carries out inverse Fourier transform for the symbol sebolic addressing exported described conversion module;
Cycle shift unit, for the translocation factor utilizing described controller to arrange, carries out cyclic shift to the symbol sebolic addressing that described second inverse Fourier transform unit exports.
4. the emission system according to Claims 2 or 3, is characterized in that, described filtration module also comprises:
Sew adding device before and after circulation, add prefix and/or suffix for the symbol sebolic addressing exported described first inverse Fourier transform unit or described cycle shift unit.
5. emission system according to claim 4, is characterized in that, described filtration module also comprises:
Windowing unit, for the window function utilizing described controller to arrange, carries out windowing process to the symbol sebolic addressing sewing adding device output before and after described circulation;
Summing elements, carries out segmentation accumulation process for the symbol sebolic addressing exported by described windowing unit;
Described controller, also for the window function in described windowing unit being set to the window function that described data-transmission mode is specified.
6. emission system according to claim 1, is characterized in that,
Described controller, for sending the first Indication message to described conversion module, described first Indication message comprises the pattern identification of data-transmission mode; Described conversion module, also for by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the alternative types of described conversion module; Or,
Described controller, for sending the second Indication message to described conversion module, described second Indication message comprises the type identification of alternative types; Described conversion module, also for by the alternative types indicated by the type identification of alternative types in described second Indication message, is defined as the alternative types of described conversion module.
7. emission system according to claim 1, is characterized in that,
Described controller, for sending the first Indication message to described filtration module, described first Indication message comprises the pattern identification of data-transmission mode; Described filtration module, also for by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the filtering parameter of described filtration module; Or,
Described controller, for sending the second Indication message to described filtration module, described second Indication message comprises the mark of filtering parameter; Described filtration module, also for by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, is defined as the filtering parameter of described filtration module.
8. emission system according to claim 4, is characterized in that,
Described controller, for sending the first Indication message to described windowing unit, described first Indication message comprises the pattern identification of data-transmission mode; Described windowing unit, also for by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the window function of described windowing unit; Or,
Described controller, for sending the second Indication message to described windowing unit, described second Indication message comprises the mark of window function; Described windowing unit, also for by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described windowing unit.
9. a controller, is characterized in that, comprising:
Determination module, for determining the data-transmission mode that transfer of data is applied;
First arranges module, for the alternative types in transmitter being set to the alternative types of described determination module established data transmission mode;
Second arranges module, for the filtering parameter in described transmitter being set to the filtering parameter of described determination module established data transmission mode.
10. controller according to claim 9, is characterized in that,
Described controller also comprises: the 3rd arranges module, for by the window function type in described transmitter, is set to the window function type that described determination module established data transmission mode is specified.
11. controllers according to claim 9, is characterized in that,
Described first arranges module specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described transmitter; Or,
Described first arranges module specifically for sending the second Indication message to described transmitter, described second Indication message comprises the type identification of alternative types, to make described transmitter by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described transmitter.
12. controllers according to claim 9, is characterized in that,
Described second arranges module specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described transmitter; Or,
Described second arranges module specifically for sending the second Indication message to described transmitter, described second Indication message comprises the mark of filtering parameter, to make described transmitter by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described transmitter.
13. controllers according to claim 10, is characterized in that,
Described 3rd arranges module specifically for sending the first Indication message to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described transmitter; Or,
Described 3rd setting unit is specifically for sending the second Indication message to described transmitter, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of window function in described second Indication message, be defined as the window function of described transmitter.
14. controllers according to any one of claim 9-13, it is characterized in that, described determination module comprises:
First determining unit, for determining the decision parameter of data-transmission mode; The decision parameter of described data-transmission mode comprises: receiver ability, at least one in the powering mode of service quality QoS, spectral mask requirement, subscriber equipment;
Second determining unit, for the decision parameter according to described first determining unit established data transmission mode, determines the data-transmission mode that need use.
The method of 15. 1 kinds of control data transmissions, is characterized in that, comprising:
Determine the data-transmission mode that transfer of data is applied;
Alternative types in transmitter is set to the alternative types of described data-transmission mode;
Filtering parameter in described transmitter is set to the filtering parameter of described data-transmission mode.
16. methods according to claim 15, is characterized in that, described method also comprises:
By the window function type of described transmitter, be set to the window function type that described data-transmission mode is specified.
17. methods according to claim 15, is characterized in that, described alternative types alternative types in transmitter being set to described data-transmission mode comprises:
The first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described transmitter; Or,
The second Indication message is sent to described transmitter, described second Indication message comprises the type identification of alternative types, to make described transmitter by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described transmitter.
18. methods according to claim 16, is characterized in that, described filtering parameter filtering parameter in described transmitter being set to described data-transmission mode comprises:
The first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described transmitter; Or,
Described second arranges module sends the second Indication message to described transmitter, described second Indication message comprises the mark of filtering parameter, to make described transmitter by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described transmitter.
19. methods according to claim 16, is characterized in that, described by the window function type of described transmitter, are set to the window function type that described data-transmission mode specifies and comprise:
The first Indication message is sent to described transmitter, described first Indication message comprises the pattern identification of data-transmission mode, to make described transmitter by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described transmitter; Or,
Send the second Indication message to described transmitter, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described transmitter.
20. methods according to any one of claim 15-19, it is characterized in that, the described data-transmission mode determining that transfer of data is applied comprises:
Determine the decision parameter of data-transmission mode; The decision parameter of described data-transmission mode comprises: at least one in the powering mode of receiver ability, service quality QoS, spectral mask requirement, subscriber equipment;
According to the decision parameter of described data-transmission mode, determine the data-transmission mode that need use.
21. 1 kinds of receiving systems, is characterized in that, comprising: receiver and controller; Wherein, described receiver comprises:
Filtration module, for the filtering parameter arranged according to described controller, carries out filtering process to the symbol sebolic addressing of input;
Conversion module, for the alternative types arranged according to described controller, carries out conversion process to the symbol sebolic addressing that described filtration module exports;
Described controller, for the filtering parameter in described filtration module being set to a kind of filtering parameter of data-transmission mode, and is set to the alternative types of described data-transmission mode by the alternative types in described conversion module.
22. receiving systems according to claim 21, is characterized in that, described filtering parameter comprises phase rotation coefficient;
Described filtration module comprises:
First Fourier transform unit, for carrying out Fourier transform to the symbol sebolic addressing of input;
Phase rotation units, carries out phase rotating for the symbol sebolic addressing exported described first inverse Fourier transform unit.
23. receiving systems according to claim 21, is characterized in that, described filtering parameter comprises translocation factor;
Described filtration module comprises:
Cycle shift unit, for the translocation factor utilizing described controller to arrange, carries out cyclic shift to the symbol sebolic addressing of input;
Second Fourier transform unit, carries out Fourier transform for the symbol sebolic addressing exported described cycle shift unit.
24. receiving systems according to claim 22 or 23, it is characterized in that, described filtration module also comprises:
Windowing unit, for carrying out windowing process to the symbol sebolic addressing of input;
Summing elements, symbol sebolic addressing for exporting described windowing unit carries out segmentation accumulation process, to make described first Fourier transform unit carry out inverse Fourier transform to the symbol sebolic addressing that described summing elements exports, or described cycle shift unit carries out cyclic shift process to the symbol sebolic addressing that described summing elements exports;
Described controller, also for the window function in described windowing unit being set to the window function that described data transmission module is specified.
25. receiving systems according to claim 21, is characterized in that,
Described controller, for sending the first Indication message to described filtration module, described first Indication message comprises the pattern identification of data-transmission mode; Described filtration module, also for by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the filtering parameter of described filtration module; Or,
Described controller, for sending the second Indication message to described filtration module, described second Indication message comprises the mark of filtering parameter; Described filtration module, also for by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, is defined as the filtering parameter of described filtration module.
26. receiving systems according to claim 21, is characterized in that,
Described controller, for sending the first Indication message to described conversion module, described first Indication message comprises the pattern identification of data-transmission mode; Described conversion module, also for by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the alternative types of described conversion module; Or,
Described controller, for sending the second Indication message to described conversion module, described second Indication message comprises the type identification of alternative types; Described conversion module, also for by the alternative types indicated by the type identification of alternative types in described second Indication message, is defined as the alternative types of described conversion module.
27. receiving systems according to claim 24, is characterized in that,
Described controller, for sending the first Indication message to described windowing unit, described first Indication message comprises the pattern identification of data-transmission mode; Described windowing unit, also for by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, is defined as the window function of described windowing unit; Or,
Described controller, for sending the second Indication message to described windowing unit, described second Indication message comprises the mark of window function; Described windowing unit, also for by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described windowing unit.
28. 1 kinds of controllers, is characterized in that, comprising:
Determination module, for determining the data-transmission mode that transfer of data is applied;
First arranges module, for the filtering parameter in receiver being set to the filtering parameter of described determination module established data transmission mode;
Second arranges module, for the alternative types in described receiver being set to the alternative types of described determination module established data transmission mode.
29. controllers according to claim 28, is characterized in that,
Described controller also comprises: the 3rd arranges module, for by the spectral window type function in described receiver, is set to the window function type that described determination module established data transmission mode is specified.
30. controllers according to claim 28, is characterized in that,
Described first arranges module specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described receiver; Or,
Described first arranges module specifically for sending the second Indication message to described receiver, described second Indication message comprises the mark of filtering parameter, to make described receiver machine by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described receiver.
31. controllers according to claim 28, is characterized in that,
Described second arranges module specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described receiver; Or,
Described second arranges module specifically for sending the second Indication message to described receiver, described second Indication message comprises the type identification of alternative types, to make described receiver by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described receiver.
32. controllers according to claim 29, is characterized in that,
Described 3rd arranges module specifically for sending the first Indication message to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described receiver; Or,
Described 3rd setting unit is specifically for sending the second Indication message to described receiver, described second Indication message comprises the mark of window function, to make described transmitter by the window function indicated by the mark of spectral window function in described second Indication message, be defined as the window function of described receiver.
33. controllers according to any one of claim 28-32, it is characterized in that, described determination module comprises:
Acquiring unit, for obtaining the data-transmission mode of transmitter;
Determining unit, for the data-transmission mode obtained according to described acquiring unit, determines the data-transmission mode that need use.
The method of 34. 1 kinds of control data transmissions, is characterized in that, comprising:
Determine the data-transmission mode that transfer of data is applied;
Filtering parameter in receiver is set to the filtering parameter of described data-transmission mode;
Alternative types in described receiver is set to the alternative types of described data-transmission mode.
35. methods according to claim 34, is characterized in that, described method also comprises:
By the spectral window type function of described receiver, be set to the spectral window type function that described data-transmission mode is specified.
36. methods according to claim 34, is characterized in that, described filtering parameter filtering parameter in receiver being set to described data-transmission mode comprises:
The first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the filtering parameter corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the filtering parameter of described receiver; Or,
The second Indication message is sent to described receiver, described second Indication message comprises the mark of filtering parameter, to make described receiver by the filtering parameter indicated by the mark of filtering parameter in described second Indication message, be defined as the filtering parameter of described receiver.
37. methods according to claim 34, is characterized in that, described alternative types alternative types in described receiver being set to described data-transmission mode comprises:
The first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the alternative types corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the alternative types of described receiver; Or,
The second Indication message is sent to described receiver, described second Indication message comprises the type identification of alternative types, to make described receiver by the alternative types indicated by the type identification of alternative types in described second Indication message, be defined as the alternative types of described receiver.
38. methods according to claim 35, is characterized in that, described by the window function type of described receiver, are set to the window function type that described data-transmission mode specifies and comprise:
The first Indication message is sent to described receiver, described first Indication message comprises the pattern identification of data-transmission mode, to make described receiver by the window function corresponding to the pattern identification of the data-transmission mode in described first Indication message, be defined as the window function of described receiver; Or,
Send the second Indication message to described receiver, described second Indication message comprises the mark of window function, to make described receiver by the window function indicated by the mark of window function in described second Indication message, is defined as the window function of described receiver.
39. methods according to any one of claim 34-38, it is characterized in that, the described data-transmission mode determining that transfer of data is applied comprises:
Obtain the data-transmission mode of transmitter;
According to the data-transmission mode of described transmitter, determine the data-transmission mode that need use.
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