CN101635927B - Method and device for transmitting state information and device for obtaining state information - Google Patents

Method and device for transmitting state information and device for obtaining state information Download PDF

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CN101635927B
CN101635927B CN2009100906265A CN200910090626A CN101635927B CN 101635927 B CN101635927 B CN 101635927B CN 2009100906265 A CN2009100906265 A CN 2009100906265A CN 200910090626 A CN200910090626 A CN 200910090626A CN 101635927 B CN101635927 B CN 101635927B
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state
bit
resource block
current
code stream
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CN101635927A (en
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朱松
彭木根
潘瑜
王立江
张莉莉
路杨
王文博
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Potevio Information Technology Co Ltd
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Potevio Institute of Technology Co Ltd
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Abstract

The invention discloses a method and a device for transmitting state information, and a device for obtaining state information. The method comprises the following steps: identifying a first state by utilizing S bits; respectively identifying whether each resource block in M resource blocks is in the first state currently by utilizing each bit in M bits; identifying the current state of each resource block not in the first state currently by utilizing T bits respectively; coding S bits, M bits and all (M-N)*T bits which identify the current state of each resource block not in the first state currently to obtain a coding stream used for identifying state information; and transmitting the coding stream, wherein the number of the first state is the most in the current state of M resource blocks. The invention can save resources for transmitting coding streams, and store the corresponding relation of the coding streams and the state information without consuming large numbers of storage resources.

Description

The method and apparatus of transmitting state information and the device that obtains state information
Technical field
The present invention relates to the coding and decoding technology field of moving communicating field, the device that relates in particular to the method and apparatus of transmitting state information and obtain state information.
Background technology
In mobile communication process, usually need intercommunication resource state information each other between each network equipment, so that the network equipment according to the resource status of its adjacent network equipment, is adjusted its other resources state, thereby obtain better communication quality.
Between the network equipment during intercommunication resource state information; Present networks equipment needs earlier its other resources state information to be encoded; Then encoding code stream is issued the adjacent network equipment; The said adjacent network equipment is decoded to this code stream again, thereby knows the resource status of said present networks equipment.
A kind of typical application of intercommunication resource state information is to eliminate adjacent area interference between the network equipment.For example; In Long Term Evolution (LTE) system; Generally adopted orthogonal frequency division multiplex (MUX) access (OFDMA) and single carrier frequency division multiplexing multiple access technique and dispatching techniques such as (SC-FDMA), these technology can be guaranteed the orthogonality of sub-district internal user channel, make that the interference between the user is minimum in the sub-district; So that can ignore, thus in the sub-district the suffered interference of user mainly from neighbor cell.Particularly under the situation of identical networking, can have the situation of phase mutual interference between the neighbor cell, this just be necessary to carry out Inter-Cell Interference Coordination (Inter-Cell Interference Coordination, ICIC).
Inter-Cell Interference Coordination is a kind of scheduling strategy that comes reinforced cell edge customer data transfer rate through the consideration presence of intercell interference; Promptly the resource (for example time and/or frequency and/or power etc.) of up link and down link is carried out certain constraint, control the interference of minizone through the scheduler in the sub-district.
At present, the control that utilizes OI message to carry out presence of intercell interference is a kind of main method of ICIC in the LTE system.Particularly, (Overload Indicator OI) waits the mutual of signaling message, utilizes these signaling messages to come the resource status of each sub-district of intercommunication, thereby carries out efficient resource scheduling and power control to carry out the load indication through the X2 interface between the adjacent cell.
In the face of the method for utilizing the OI signaling message to eliminate adjacent area interference describes in detail, specifically see also Fig. 1 down.
Fig. 1 utilizes the OI signaling message to eliminate the method flow diagram of adjacent area interference in the prior art, as shown in Figure 1, this method comprises:
Step 101, the disturbed condition M of each Resource Block (PRB) is measured in the cell-of-origin k
Step 102 is judged M k＞M Thresh, kWhether set up, promptly whether disturbed condition surpasses threshold value, if execution in step 103 is if not, return step 101.
Step 103 then triggers the cell-of-origin and sends the OI signaling message to adjacent sub-district.
Step 104, the OI signaling message that send each reception sources sub-district, adjacent sub-district is decoded to the OI signaling message, according to decoded result adjustment resource status, thereby eliminates or reduces the interference to the cell-of-origin.
In this step 104; Each adjacent sub-district is according to OI signaling message and other available information; The circuit loss value that for example obtains through handover measurement (RSRP information) judges whether this neighbour sub-district self is the dominant interferer of said cell-of-origin, if; Then reduce transmitting power, reschedule operation such as resource, thereby eliminate or reduce interference the cell-of-origin.
In Fig. 1 method; The cell-of-origin suffered interference intensity of each Resource Block can be divided into low (L), in (M), high (H) three ranks, the class information that the cell-of-origin is disturbed all Resource Block is encoded and is obtained the OI signaling message, and this OI signaling message is issued adjacent sub-district; Adjacent sub-district decoding OI signaling message; Whether the user who judges this neighbour sub-district is main interference source, if the resource of then adjusting this neighbour sub-district is to reduce the interference to the cell-of-origin.
At present, the encode method that obtains the OI signaling message of the class information that all Resource Block is disturbed can be divided into two kinds of independent coding and combined codings.
Separately in the coding method, all adopt 2bit to come three kinds of level of interference are encoded, specifically ask for an interview table one the level of interference information that receives of each Resource Block:
OI OI encode (2bits)
L 01
M 10
H 11
Table one
It is thus clear that in independent coding method, it is that 00 state is not utilized that the 2bit information bit that each Resource Block is corresponding all has a kind of state; Cause the waste of coding resource, in addition, when adopting independent coding method; N the needed total information figure place of Resource Block is 2n, and encoding code stream is longer.
In joint coding method; That adopts a plurality of Resource Block of a plurality of information bit joint instructions (PRB) receives level of interference information, for example adopts the level of interference of continuous 2 PRB of 3bit joint instructions, specifically referring to table two; Adopt the level of interference of 5 PRB of 8bit joint instructions, specifically ask for an interview table three.
Figure GSB00000617504400031
Table two
Visible by table two, when with the level of interference of continuous 2 PRB of 3bit joint instructions,, but to lose a part of information though can reduce the bit number of OI indication, for example can't distinguish two kinds of situation of LL and LM, so can cause a part of performance loss.
OI OI encode (8bits)
L?L?L?L?L 00000000
… …
H?H?H?H?H 11111111
Table three
Visible by table three, when with the level of interference of continuous 5 PRB of 8bit joint instructions, need a large amount of memory spaces store the corresponding relation of OI coding and each PRB level of interference information; Be storage list three, the complexity of system increases, underaction; In addition; When the PRB number increases, also can't further reduce the OI code length, promptly can't further reduce the bit number that needs transmission.
At present, for how state information being encoded, only limit to the independent encoding scheme and the combined coding scheme of above-mentioned proposition.Wherein, separately the code length of encoding scheme is all longer, and apparently, encoding code stream is long more, and the transmission time that then is used to transmit this encoding code stream is long more, and the communication resource that expends is also many more; The combined coding scheme needs the mapping relations between memory encoding and the state, needs to consume a large amount of storage resources.
Summary of the invention
In view of this; The purpose of the embodiment of the invention is the device that the method and apparatus of transmitting state information is provided and obtains state information; With the resource of saving transfer encoding code stream, and do not need the labor storage resources to come the corresponding relation of memory encoding code stream and state information.
For achieving the above object, the technical scheme of the embodiment of the invention specifically is achieved in that
A kind of between the network equipment method of intercommunication resource state information; This method comprises: the state information of using total M the Resource Block of the network equipment of this method needs to transmit, Q kind state appears altogether in this M Resource Block at the most, the maximum state of occurrence number is designated as first state in the current state of this M Resource Block; The current N of a having Resource Block is in first state; M wherein, Q and N all are natural numbers; The said network equipment is encoded to the state information of a said M Resource Block and is obtained encoding code stream, and this encoding code stream is carried in the OI signaling message, gives the receiving terminal network equipment through transmitting said OI signaling message with the status information transmission of a said M Resource Block; Wherein, said encoding code stream obtains through following mode:
Adopt S bit to identify first state, wherein, S is not less than log 2The natural number of Q;
Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with each Resource Block;
Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively, T is not less than log 2(Q-1) natural number, wherein, a said T bit residing position in said code stream is corresponding with the Resource Block that adopts this T bit sign current state;
(M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information.
A kind of between the network equipment method of intercommunication resource state information; This method comprises: the state information of using total M the Resource Block of the network equipment of this method needs transmission, this M Resource Block to occur three state at the most altogether; The maximum state of occurrence number is designated as first state in the current state of this M Resource Block; The current N of a having Resource Block is in first state; M wherein and N all are natural numbers, and the said network equipment is encoded to the state information of a said M Resource Block and obtained encoding code stream, and this encoding code stream is carried in the OI signaling message; Give the receiving terminal network equipment through transmitting said OI signaling message with the status information transmission of a said M Resource Block, wherein:
The said network equipment is judged M the current actual status number that occurs of Resource Block, when the current state one of this M Resource Block has 3 kinds, adopts S bit to identify first state, and wherein, S is not less than 2 natural number;
Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with the sequence number of each Resource Block;
Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively; T is not less than 1 natural number; Wherein, a said T bit residing position in said code stream is corresponding with the sequence number of the Resource Block that adopts this T bit sign current state;
(M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information;
When the current state one of this M Resource Block had 2 kinds, the current state one that the value that is not used to first state that identifies in the value of a said S bit is used to identify all Resource Block had 2 kinds,
Adopt at least 2 current states that do not have appearance of bit sign, each Resource Block that adopts each bit in M the bit to identify respectively in M the Resource Block is in which kind of state in 2 kinds of current states;
A said S bit, a said M bit and said at least 2 bits are encoded obtain being used for the encoding code stream of identification-state information.
A kind of device of transmitting state information; The state information of using total M the Resource Block of the network equipment of this device transmitting state information needs to transmit, Q kind state appears altogether in this M Resource Block at the most, the maximum state of occurrence number is designated as first state in the current state of this M Resource Block; The current N of a having Resource Block is in first state; M wherein, Q and N all are natural numbers, and this device comprises coding module and transport module;
Said coding module adopts S bit to identify first state, and wherein, S is not less than log 2The natural number of Q; Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with each Resource Block; Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively, T is not less than log 2(Q-1) natural number, wherein, a said T bit residing position in said code stream is corresponding with the Resource Block that adopts this T bit sign current state; (M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information;
Said transport module is used for transmitting said encoding code stream through the OI signaling message, transmits the state information of a said M Resource Block to the receiving terminal network equipment.
A kind of device of transmitting state information; The state information of using total M the Resource Block of the network equipment of this device transmitting state information needs transmission, this M Resource Block to occur three state at the most altogether; The maximum state of occurrence number is designated as first state in the current state of this M Resource Block; The current N of a having Resource Block is in first state, and M wherein and N all are natural numbers, and this device comprises coding module and transport module;
Said coding module when the current state one of this M Resource Block has 3 kinds, adopts S bit to identify first state, and wherein, S is not less than 2 natural number; Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with each Resource Block; Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively; T is not less than 1 natural number; Wherein, a said T bit residing position in said code stream is corresponding with the Resource Block that adopts this T bit sign current state; (M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information;
When the current state one of this M Resource Block had 2 kinds, the current state one that the value that is not used to first state that identifies in the value of a said S bit is used to identify all Resource Block had 2 kinds,
Adopt at least 2 current states that do not have appearance of bit sign, each Resource Block that adopts each bit in M the bit to identify respectively in M the Resource Block is in which kind of state in 2 kinds of current states;
A said S bit, a said M bit and said at least 2 bits are encoded obtain being used for the encoding code stream of identification-state information;
Said transport module is used for transmitting said encoding code stream through the OI signaling message, transmits the state information of a said M Resource Block to the receiving terminal network equipment.
A kind of device that obtains state information, this device that obtains state information comprises receiver module and identification module;
Said receiver module receives the OI signaling message, and this OI signaling message carries the encoding code stream that is used for identification-state information;
Said identification module; Value according to S the bit that is used to first state that identifies in the encoding code stream identifies first state; According to each bit bit position and the value in the said M bit; Identify current first state that whether is in of each Resource Block in M the Resource Block, wherein, each bit residing position in said code stream in M bit is corresponding with the sequence number of each Resource Block; T bit bit position and value according to the current state that is used to identify the current Resource Block that is not in first state; Identify the said current state that is not in the Resource Block of first state, wherein, a said T bit residing position in said code stream is corresponding with the sequence number of the Resource Block that adopts this T bit sign current state.
A kind of device of status recognition information, this device that obtains state information comprises receiver module and identification module;
Said receiver module receives the OI signaling message, and this OI signaling message carries the encoding code stream that is used for identification-state information;
Said identification module; The current state that identifies all Resource Block according to the value of said S bit in the encoding code stream is 3 kinds or 2 kinds; If 3 kinds; Then the value according to a said S bit further identifies first state, according to each bit bit position and the value in the said M bit, identifies current first state that whether is in of each Resource Block in M the Resource Block; Wherein, Each bit residing position in said code stream in M bit is corresponding with the sequence number of each Resource Block, and T bit bit position and value according to the current state that is used to identify the current Resource Block that is not in first state identify the said current state that is not in the Resource Block of first state; Wherein, a said T bit residing position in said code stream is corresponding with the sequence number of the Resource Block that adopts this T bit sign current state; If 2 kinds; Then the value according to 2 bits that are used to identify the current state that not have to occur identifies the current state that does not have appearance, and the value that is in M bit of which kind of state in 2 kinds of current states according to each Resource Block that is used for identifying M Resource Block identifies the current state of each Resource Block.
It is thus clear that; The present invention both had been different from independent encoding scheme to the encoding scheme that state information adopted; Also be different from the combined coding scheme, the present invention adopts maximum state in the current state of living in of bit all Resource Block of sign, adopts current this maximum state that whether is in of bit each Resource Block of sign more in addition; For the current Resource Block that is not in this maximum state, adopt its current state of bit sign separately.Because whether each Resource Block of sign is in 1 bit of minimum needs of maximum states get final product; And the current quantity that is not in the Resource Block of this maximum state significantly reduces with respect to total Resource Block quantity; The required also corresponding minimizing of bit quantity when adopting its current state of bit sign separately; Therefore compare with independent encoding scheme, can reduce code length, thereby reduce required resource and the time of transmitting state information; And the present invention does not need the mapping relations between memory encoding and the state, can save storage resources.
Description of drawings
Fig. 1 utilizes the OI signaling message to eliminate the method flow diagram of adjacent area interference in the prior art.
Fig. 2 is encoding code stream first structural representation that state information is encoded and obtained provided by the invention.
Fig. 3 is an OI signaling message coding structure sketch map provided by the invention.
Fig. 4 is the level of interference sketch map of 24 PRB.
Fig. 5 is first's encoding code stream structure chart that the OI signaling message is encoded and obtained.
Fig. 6 is the second portion encoding code stream structure chart that the OI signaling message is encoded and obtained.
Fig. 7 is the method flow diagram that encoding code stream shown in Figure 1 is decoded.
Fig. 8 is the coding method flow chart when all Resource Block three state occurs altogether at the most provided by the invention.
Fig. 9 is the code flow structure figure that adopt step 803～805.
Figure 10 is the another level of interference sketch map of 24 PRB.
Figure 11 is the method flow diagram that the encoding code stream that adopts method shown in Figure 8 to obtain is decoded.
Figure 12 has the probability of occurrence of 24 PRB and three kinds of states to be the simulated effect figure of the equal length of 1/3 time-code levelling.
Figure 13 has the probability of occurrence of 24 PRB and three kinds of states to be respectively the simulated effect figure of the equal length of 1/2,1/4 and 1/4 time-code levelling.
Figure 14 is first structure chart of the device of transmitting state information provided by the invention.
Figure 15 is second structure chart of the device of transmitting state information provided by the invention.
Figure 16 is first structure chart that obtains the device of state information provided by the invention.
Figure 17 is second structure chart that obtains the device of state information provided by the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to further explain of the present invention.
The present invention encodes to state information, comes transmitting state information through the encoding code stream that transmits identification-state information.
The state information of supposing the current M of a having Resource Block needs transmission; Q kind state appears altogether in this M Resource Block at the most; The state that occurrence number is maximum in the current state of this M Resource Block is designated as first state; The current N of a having Resource Block is in first state, and M wherein and N all are natural numbers, below introduce in detail state information carried out Methods for Coding.
When state information is encoded, encoding code stream is divided into two parts.First comprises S the bit that is used for first state that identifies and is used to identify M current M the bit that whether is in first state of each Resource Block of Resource Block that S wherein is not less than log 2The natural number of Q; Therefore first's code length is a S+M bit, is fixed length.Second portion adopts T each current current state that is not in the Resource Block of first state of bit sign respectively, and T is not less than log 2(Q-1) natural number, so the second portion code length is (M-N) * T bit, because generally different in the value of different moment N, therefore, the code length of second portion is elongated.
Fig. 2 is encoding code stream first structural representation that state information is encoded and obtained provided by the invention; As shown in Figure 2, this encoding code stream comprises: be used for first state that identifies S bit, be used to identify current (the M-N) * T bit that whether is in M bit of first state and is used to identify the current state of the current Resource Block that is not in first state of M each Resource Block of Resource Block.
Usually; Each bit in the said M bit residing position in said code stream is corresponding with the sequence number of each Resource Block, and a said T bit residing position in said code stream is corresponding with the sequence number of the Resource Block that adopts this T bit sign current state.
S wherein gets usually and is not less than log 2The smallest natural number of Q, T are got usually and are not less than log 2(Q-1) smallest natural number.
When the value of Q is 3, that is to say that when all Resource Block three state occurred altogether at the most, a typical application of the present invention was, be used for carrying out OI signaling message coding in the process of eliminating or reduce adjacent area interference.
Be encoded to example to carry out the OI signaling message below, the present invention described in detail, specifically referring to Fig. 3.
Fig. 3 is an OI signaling message coding structure sketch map provided by the invention, carries the state information of 24 PRB in this OI signaling message.
As shown in Figure 3, OI signaling message code stream is divided into two parts.
First is the length of fixed length; Be specially 26 bits, wherein 2 bits are used to identify first state, and whether the state that each bit in other 24 bits is respectively applied for each PRB among 24 PRB of sign is first state; And the residing position of each bit is corresponding with the sequence number of PRB in these 24 bits; For example, the state of the 1st PRB of the 1st bit identification in these 24 bits, the state of the 23rd PRB of the 23rd bit identification in these 24 bits.
The length of second portion is elongated, and weak point is 0 bit, and length is 16 bits, and the concrete value of second portion length depends on the current PRB number that is in first state.For example, if current have 9 PRB to be in first state, adopt 1 which kind of state in the current two states that is in except that first state of each PRB of bit identification respectively separately for all the other 15 PRB; Then the length of second portion is (24-9) * 1=15 bit; If current have 8 PRB to be in first state, then the length of second portion is (24-8) * 1=16, if current 24 PRB are in a kind of state; Then the length of second portion is 0 bit, and promptly second portion does not exist.
Wherein, current when having 8 PRB to be in first state, because three state appears in all 24 PRB at the most, therefore in fact respectively there are 8 PRB to be in this three kinds of states respectively, this first state can be any one state in said three kinds of states in this case.
Lift the real example explanation below the OI signaling message is carried out Methods for Coding.
Fig. 4 is the level of interference sketch map of 24 PRB.
As shown in Figure 4, it is L that the level of interference of 16 PRB is arranged among these 24 PRB, and the level of interference of 4 PRB is M, and the level of interference of 4 PRB is H, that is to say, first state is L.
When the OI signaling message is encoded, in first's encoding code stream, adopt 2 bit identification level of interference L, identify each PRB respectively with each bit in 24 bits again and whether be in first state.Particularly; Value is that 1 the bit identification PRB corresponding with this bit is in first state in these 24 bits, and promptly its level of interference is L, and value is that 0 the bit identification PRB corresponding with this bit is not in first state; Be that its level of interference is M or H, specifically see also Fig. 5.
Fig. 5 is first's encoding code stream structure chart that the OI signaling message is encoded and obtained.
In the second portion encoding code stream, adopt 1 this PRB of bit identification to be in the M state or to be in the H state respectively to each PRB that is not in first state, specifically see also Fig. 6.
Fig. 6 is the second portion encoding code stream structure chart that the OI signaling message is encoded and obtained, and bit value wherein is that 1 o'clock sign PRB corresponding with this bit is in the H state, and the bit value is that 0 o'clock sign PRB corresponding with this bit is in the M state.
Can know that in conjunction with Fig. 5 and Fig. 6 adopting method shown in Figure 1 that 24 PRB shown in Figure 3 are carried out the encoding code stream that OI signaling message coding obtains is 0110111011001111010011110101011010, altogether 34bit.
Fig. 7 is the method flow diagram that encoding code stream shown in Figure 2 is decoded, and is as shown in Figure 7, and this method comprises:
Step 701 identifies first state according to the value that is used to S bit of first state that identifies in the encoding code stream that receives.
Step 702 identifies current first state that whether is in of each Resource Block in M the Resource Block according to the value of each bit in the M shown in Figure 1 bit.
Step 703 identifies the said current state that is not in the Resource Block of first state according to the value of T bit of the current state that is used to identify the current Resource Block that is not in first state.
Be example still below, explain and how the encoding code stream that adopts method coding shown in Figure 2 to obtain is decoded with object lesson shown in Figure 4.
Adopting code flow structure shown in Figure 2 that 24 PRB shown in Figure 4 are carried out the encoding code stream that OI signaling message coding obtains is 0110111011001111010011110101011010, and its coding/decoding method comprises:
Step 1: identifying first state according to the value " 01 " of the 0th～1 bit is L.
Step 2: identify the 2nd, 6,9,10,15,17,18 and 23 PRB according to the value " 101110110011110100111101 " of the 2nd～25 bit and be not in first state, remaining PRB is in first state, promptly is in the L state.
Step 3: according to the second portion of encoding code stream, promptly the value of the 26th～33 bit " 01011010 " identifies the 2nd, 6,9,10,15,17,18 and 23 PRB and is in M state or H state.Wherein, Each bit bit position is corresponding with the sequence number of the PRB that is not in first state in the 26th～33 bit, and promptly said bit bit position is forward more, and the sequence number of corresponding PRB is more little; Then working as the bit value is 0 expression M state; When the bit value is 1 expression H state, can identifies the 2nd, 9,17 and 23 PRB according to the value " 01011010 " of the 26th～33 bit and be in the M state, the 6th, 10,15 and 18 PRB is in the H state.
When the value of Q is 3, that is to say, when M Resource Block three state occurs altogether at the most,, can also adopt additive method further to reduce the length of encoding code stream except adopting code flow structure shown in Figure 4 encodes, specifically see also Fig. 8.
Fig. 8 is the coding method flow chart when all Resource Block three state occurs altogether at the most provided by the invention, and it adopts different code flow structures to encode according to the current actual status number that occurs of all Resource Block.As shown in Figure 8, this method comprises:
Step 801 judges whether M the current actual status number that occurs of Resource Block is 2 kinds, if, execution in step 802, otherwise, execution in step 803.
Step 802 adopts code flow structure shown in Figure 2 to encode process ends.
Step 803, the current state one that is not used to all Resource Block of value sign of first state that identifies in the value of S bit of employing has 2 kinds.The common value of S wherein is 2.
Step 804 adopts at least 2 current states that do not have appearance of bit sign.Usually adopt 2 current states that do not have appearance of bit sign.
Step 805, each Resource Block that adopts each bit in M the bit to identify respectively in M the Resource Block is in which kind of state in 2 kinds of current states.
The sequencing of step 803 wherein～805 is adjustable, as long as guarantee that above-mentioned three steps all are performed.
Fig. 9 is the code flow structure figure that adopt step 803～805; As shown in Figure 9; This code flow structure comprises: the current state one that is used to identify all Resource Block has 2 kinds S bit; Be used to identify at least 2 bits of the current state that does not have to occur, each Resource Block that is used for identifying M Resource Block is in M bit of which kind of state in 2 kinds of current states.
Takeing concrete example below occurs three state at the most altogether to all Resource Block and actual occurs adopting under 2 kinds of state status step 803～805 to carry out Methods for Coding describing, specifically see also Figure 10.
Figure 10 is the another level of interference sketch map of 24 PRB, wherein has the level of interference of 16 PRB to be in the L state, and the level of interference of 8 PRB is in the M state, and the H state does not occur.
When adopting method shown in Figure 8 that level of interference sketch map shown in Figure 10 is encoded; Value " 01 ", " 10 " and " 11 " of supposing to be used to identify 2 maximum bits of current occurrence number are respectively applied for expression state L, M and H; Then adopt " 00 " to represent the current 2 kinds of states that only occurred altogether; And then adopt 24 bits, the corresponding expression of each bit is current which kind of state that is in said 2 kinds of states of PRB, for example; When the bit value in these 24 bits is 1; Represent that the corresponding PRB of this bit is in higher state in said 2 kinds of states, when the bit value is 0, represent that the corresponding PRB of this bit is in lower state in said 2 kinds of states; And according to the current bit that has only 2 kinds of states of sign, be used for identifying bit and the order of bit that indicates the current state that does not occur of which kind of state that each PRB is in said 2 kinds of states to each bit coding, obtaining encoding code stream is 0001000100110000101100001011.
Figure 11 is the method flow diagram that the encoding code stream that adopts method shown in Figure 8 to obtain is decoded, and is shown in figure 10, and this method comprises:
Step 1101 identifies the value of S bit of the status number of the maximum state of current occurrence number or current appearance according to being used in the encoding code stream, the current state that identifies all Resource Block is 3 kinds or 2 kinds; If 3 kinds; Execution in step 1002, if 2 kinds, execution in step 1003.
Step 1102 is decoded process ends according to method shown in Figure 7.
Step 1103 identifies the current state that not have appearance according to the value of 2 bits that are used to identify the current state that does not have to occur.
Step 1104, the value that is in M bit of which kind of state in 2 kinds of current states according to each Resource Block that is used for identifying M Resource Block identifies the current state of each Resource Block.
Be example to adopt method shown in Figure 8 to the level of interference sketch map shown in Figure 10 encoding code stream 0001000100110000101100001011 that obtains of encoding below, explain and how to adopt the said method of Figure 11 to decode.
The state one that identifies current appearance according to the value " 00 " of the 0th～1 bit in the code stream 0001000100110000101100001011 has 2 kinds; Identifying the current state that does not have to occur according to the value " 11 " of the 26th～27 bit is the H state; Value " 010001001100001011000010 " according to the 2nd～25 bit identifies the 2nd, 6,9,10,15,17,18 and 23 the current M of the being in state of PRB, the current L state that is in of remaining PRB.
The present inventor has also carried out emulation to the code stream average length that adopts method shown in Figure 8 to encode to obtain, and simulated effect figure sees also Figure 12 and 13.
Figure 12 has the probability of occurrence of 24 PRB and three kinds of states to be the simulated effect figure of the equal length of 1/3 time-code levelling, and this moment, mean code length was 39.57bit.
Figure 13 has the probability of occurrence of 24 PRB and three kinds of states to be respectively the simulated effect figure of the equal length of 1/2,1/4 and 1/4 time-code levelling, and this moment, mean code length was 37.756bit.
When adopting independent encoding scheme, 24 PRB need 48bit altogether, and visible by the simulation result of Figure 12 and Figure 13, the present invention has shortened the length of encoding code stream, thereby can save the resource of transfer encoding code stream.In addition, when adopting the present invention to encode or decode, coding side and decoding end do not need the memory space of labor to come the corresponding relation of memory encoding code stream and state information, have saved storage resources.
According to above-mentioned coding method or coding/decoding method, provide the embodiment of respective coding device and decoding device below.
Figure 14 is first structure chart of the device of transmitting state information provided by the invention.
The network equipment total M Resource Block, all Resource Block of using Figure 14 shown device transmitting state information occur altogether at the most that the maximum state of occurrence number is designated as first state in the current state of Q kind state, all Resource Block; The current N of a having Resource Block is in first state; M wherein, Q and N all are natural numbers; Shown in figure 14, this device comprises coding module 1401 and transport module 1402.
Coding module 1401 adopts S bit to identify first state, and wherein, S is not less than log 2The natural number of Q; Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively; Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively, T is not less than log 2(Q-1) natural number; (M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information.
Transport module 1402 is used for the encoding code stream that transfer encoding module 1401 obtains.
Figure 15 is second structure chart of the device of transmitting state information provided by the invention.
Three state appears altogether in the network equipment total M Resource Block, all Resource Block at the most that use Figure 15 shown device transmitting state information; The state that occurrence number is maximum in the current state of all Resource Block is designated as first state; The current N of a having Resource Block is in first state; M wherein and N all are natural numbers, it is characterized in that, device shown in Figure 15 comprises coding module 1501 and transport module 1502.
Coding module 1501 when the current state one of all Resource Block has 3 kinds, adopts S bit to identify first state, and wherein, S is not less than 2 natural number; Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively; Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively, T is not less than 1 natural number; (M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information.
Coding module 1501; When the current state one of all Resource Block has 2 kinds; The current state one that the value that is not used to first state that identifies in the value of a said S bit is used to identify all Resource Block has 2 kinds; Adopt at least 2 current states that do not have appearance of bit sign, each Resource Block that adopts each bit in M the bit to identify respectively in M the Resource Block is in which kind of state in 2 kinds of current states; A said S bit, a said M bit and said at least 2 bits are encoded obtain being used for the encoding code stream of identification-state information.
Transport module 1502 is used for the encoding code stream that transfer encoding module 1501 obtains.
Figure 16 is first structure chart that obtains the device of state information provided by the invention.
Use the described device transmitting state information of the employing Figure 14 of system that Figure 16 shown device obtains the network information, device shown in Figure 16 comprises receiver module 1601 and identification module 1602.
Receiver module 1601 receives the encoding code stream that is used for identification-state information.
Identification module 1602; Value according to S the bit that is used to first state that identifies in the encoding code stream identifies first state; Value according to each bit in the said M bit identifies current first state that whether is in of each Resource Block in M the Resource Block, identifies the said current state that is not in the Resource Block of first state according to the value of T bit of the current state that is used to identify the current Resource Block that is not in first state.
Figure 17 is second structure chart that obtains the device of state information provided by the invention.
Use the described device transmitting state information of the employing Figure 15 of system that Figure 17 shown device obtains the network information, device shown in Figure 17 comprises receiver module 1701 and identification module 1702.
Receiver module 1701 receives the encoding code stream that is used for identification-state information.
Identification module 1702; The current state that identifies all Resource Block according to the value of said S bit in the encoding code stream is 3 kinds or 2 kinds; If 3 kinds; Then the value according to a said S bit further identifies first state; Value according to each bit in the said M bit identifies current first state that whether is in of each Resource Block in M the Resource Block, identifies the said current state that is not in the Resource Block of first state according to the value of T bit of the current state that is used to identify the current Resource Block that is not in first state; If 2 kinds; Then the value according to 2 bits that are used to identify the current state that not have to occur identifies the current state that does not have appearance, and the value that is in M bit of which kind of state in 2 kinds of current states according to each Resource Block that is used for identifying M Resource Block identifies the current state of each Resource Block.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (12)

1. the method for an intercommunication resource state information between the network equipment is characterized in that, this method comprises:
The state information of using total M the Resource Block of the network equipment of this method needs to transmit, Q kind state appears altogether in this M Resource Block at the most, the maximum state of occurrence number is designated as first state in the current state of this M Resource Block; The current N of a having Resource Block is in first state, and M wherein, Q and N all are natural numbers;
The said network equipment is encoded to the state information of a said M Resource Block and is obtained encoding code stream; This encoding code stream is carried in the load indication OI signaling message; Give the receiving terminal network equipment through transmitting said OI signaling message with the status information transmission of a said M Resource Block; Wherein, said encoding code stream obtains through following mode:
Adopt S bit to identify first state, wherein, S is not less than l0g 2The natural number of Q;
Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with each Resource Block;
Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively, T is not less than log 2(Q-1) natural number, wherein, a said T bit residing position in said code stream is corresponding with the Resource Block that adopts this T bit sign current state;
(M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information.
2. the method for claim 1; It is characterized in that, (M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoding code stream that obtains being used for identification-state information of encoding is comprised:
Each bit of sequence arrangement according to a said S bit, a said M bit and said (M-N) * T bit obtains encoding code stream.
3. according to claim 1 or claim 2 method is characterized in that S is not less than log 2The smallest natural number of Q, T is not less than l0g 2(Q-1) smallest natural number.
4. method as claimed in claim 3 is characterized in that the value of Q is 3.
5. like claim 1, the described method of 2 or 4 arbitrary claims, it is characterized in that this method further comprises:
Receiving terminal receives the encoding code stream that is used for identification-state information; Value according to S the bit that is used to first state that identifies in this encoding code stream identifies first state; According to each bit bit position and the value in the said M bit; Identify current first state that whether is in of each Resource Block in M the Resource Block; T bit bit position and value according to the current state that is used to identify the current Resource Block that is not in first state identify the said current state that is not in the Resource Block of first state.
6. the method for an intercommunication resource state information between the network equipment is characterized in that, this method comprises:
The state information of using total M the Resource Block of the network equipment of this method needs transmission, this M Resource Block to occur three state at the most altogether; The maximum state of occurrence number is designated as first state in the current state of this M Resource Block; The current N of a having Resource Block is in first state; M wherein and N all are natural numbers
The said network equipment is encoded to the state information of a said M Resource Block and is obtained encoding code stream; This encoding code stream is carried in the load indication OI signaling message; Give the receiving terminal network equipment through transmitting said OI signaling message with the status information transmission of a said M Resource Block, wherein:
The said network equipment is judged M the current actual status number that occurs of Resource Block, when the current state one of this M Resource Block has 3 kinds, adopts S bit to identify first state, and wherein, S is not less than 2 natural number;
Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with the sequence number of each Resource Block;
Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively; T is not less than 1 natural number; Wherein, a said T bit residing position in said code stream is corresponding with the sequence number of the Resource Block that adopts this T bit sign current state;
(M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information;
When the current state one of this M Resource Block had 2 kinds, the current state one that the value that is not used to first state that identifies in the value of a said S bit is used to identify all Resource Block had 2 kinds,
Adopt at least 2 current states that do not have appearance of bit sign, each Resource Block that adopts each bit in M the bit to identify respectively in M the Resource Block is in which kind of state in 2 kinds of current states;
A said S bit, a said M bit and said at least 2 bits are encoded obtain being used for the encoding code stream of identification-state information.
7. method as claimed in claim 6 is characterized in that the value of S is 2, and the value of T is 1.
8. like claim 6 or 7 described methods, it is characterized in that this method further comprises:
Receiving terminal receives the encoding code stream be used for identification-state information, and the current state that identifies all Resource Block according to the value of said S bit in this encoding code stream is 3 kinds or 2 kinds,
If 3 kinds; Then the value according to a said S bit further identifies first state; According to each bit bit position and the value in the said M bit; Identify current first state that whether is in of each Resource Block in M the Resource Block, T bit bit position and value according to the current state that is used to identify the current Resource Block that is not in first state identify the said current state that is not in the Resource Block of first state;
If 2 kinds; Then the value according to 2 bits that are used to identify the current state that not have to occur identifies the current state that does not have appearance, and the value that is in M bit of which kind of state in 2 kinds of current states according to each Resource Block that is used for identifying M Resource Block identifies the current state of each Resource Block.
9. the device of a transmitting state information; It is characterized in that; The state information of using total M the Resource Block of the network equipment of this device transmitting state information needs to transmit, Q kind state appears altogether in this M Resource Block at the most, the maximum state of occurrence number is designated as first state in the current state of this M Resource Block; The current N of a having Resource Block is in first state, and M wherein, Q and N all are natural numbers, and this device comprises coding module and transport module;
Said coding module adopts S bit to identify first state, and wherein, S is not less than log 2The natural number of Q; Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with each Resource Block; Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively, T is not less than log 2(Q-1) natural number, wherein, a said T bit residing position in said code stream is corresponding with the Resource Block that adopts this T bit sign current state; (M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information;
Said transport module is used for transmitting said encoding code stream through load indication OI signaling message, transmits the state information of a said M Resource Block to the receiving terminal network equipment.
10. the device of a transmitting state information; It is characterized in that; The state information of using total M the Resource Block of the network equipment of this device transmitting state information needs transmission, this M Resource Block to occur three state at the most altogether, and the maximum state of occurrence number is designated as first state in the current state of this M Resource Block, and the current N of a having Resource Block is in first state; M wherein and N all are natural numbers, and this device comprises coding module and transport module;
Said coding module when the current state one of this M Resource Block has 3 kinds, adopts S bit to identify first state, and wherein, S is not less than 2 natural number; Adopt each bit in M the bit to identify current first state that whether is in of each Resource Block in M the Resource Block respectively, wherein, each bit residing position in said code stream in M bit is corresponding with each Resource Block; Adopt T each current current state that is not in the Resource Block of first state of bit sign respectively; T is not less than 1 natural number; Wherein, a said T bit residing position in said code stream is corresponding with the Resource Block that adopts this T bit sign current state; (M-N) * T bit of the current state of the current Resource Block that is not in first state of a said S bit, a said M bit and all signs encoded obtain being used for the encoding code stream of identification-state information;
When the current state one of this M Resource Block had 2 kinds, the current state one that the value that is not used to first state that identifies in the value of a said S bit is used to identify all Resource Block had 2 kinds,
Adopt at least 2 current states that do not have appearance of bit sign, each Resource Block that adopts each bit in M the bit to identify respectively in M the Resource Block is in which kind of state in 2 kinds of current states;
A said S bit, a said M bit and said at least 2 bits are encoded obtain being used for the encoding code stream of identification-state information;
Said transport module is used for transmitting said encoding code stream through load indication OI signaling message, transmits the state information of a said M Resource Block to the receiving terminal network equipment.
11. a device that obtains state information is used the system that this device obtains the network information and is adopted device transmitting state information as claimed in claim 9, it is characterized in that this device that obtains state information comprises receiver module and identification module;
Said receiver module receives load indication OI signaling message, and this OI signaling message carries the encoding code stream that is used for identification-state information;
Said identification module; Value according to S the bit that is used to first state that identifies in the encoding code stream identifies first state; According to each bit bit position and the value in the said M bit; Identify current first state that whether is in of each Resource Block in M the Resource Block, wherein, each bit residing position in said code stream in M bit is corresponding with the sequence number of each Resource Block; T bit bit position and value according to the current state that is used to identify the current Resource Block that is not in first state; Identify the said current state that is not in the Resource Block of first state, wherein, a said T bit residing position in said code stream is corresponding with the sequence number of the Resource Block that adopts this T bit sign current state.
12. a device that obtains state information is used the system that this device obtains the network information and is adopted device transmitting state information as claimed in claim 10, it is characterized in that this device that obtains state information comprises receiver module and identification module;
Said receiver module receives load indication OI signaling message, and this OI signaling message carries the encoding code stream that is used for identification-state information;
Said identification module; The current state that identifies all Resource Block according to the value of said S bit in the encoding code stream is 3 kinds or 2 kinds; If 3 kinds; Then the value according to a said S bit further identifies first state, according to each bit bit position and the value in the said M bit, identifies current first state that whether is in of each Resource Block in M the Resource Block; Wherein, Each bit residing position in said code stream in M bit is corresponding with the sequence number of each Resource Block, and T bit bit position and value according to the current state that is used to identify the current Resource Block that is not in first state identify the said current state that is not in the Resource Block of first state; Wherein, a said T bit residing position in said code stream is corresponding with the sequence number of the Resource Block that adopts this T bit sign current state; If 2 kinds; Then the value according to 2 bits that are used to identify the current state that not have to occur identifies the current state that does not have appearance, and the value that is in M bit of which kind of state in 2 kinds of current states according to each Resource Block that is used for identifying M Resource Block identifies the current state of each Resource Block.
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CN104811946B (en) * 2014-01-29 2020-03-20 北京三星通信技术研究有限公司 Method and device for processing interference signal
CN107453834A (en) 2016-05-31 2017-12-08 华为技术有限公司 A kind of descending interference management method, base station and user equipment

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