CN101465846A - Method and apparatus for processing frame - Google Patents
Method and apparatus for processing frame Download PDFInfo
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- CN101465846A CN101465846A CNA2007103012763A CN200710301276A CN101465846A CN 101465846 A CN101465846 A CN 101465846A CN A2007103012763 A CNA2007103012763 A CN A2007103012763A CN 200710301276 A CN200710301276 A CN 200710301276A CN 101465846 A CN101465846 A CN 101465846A
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Abstract
The invention discloses a frame processing method and a device thereof, which can realize that a 802.16e proposal is compatible in a 802.16m system. The frame processing method includes the following steps: acquiring a 802.16m leading part or a broadcast message part from the midbandwidth position of a received carrier wave; acquiring decoding information from the 802.16m leading part or the broadcast message part; decoding in the bandwidth corresponding to the decoding information to obtain a 802.16frame; acquiring time-frequency resource assignment information from the down resource of the 802.16m frame, and fixing the usable time-frequency resource according to the time-frequency resource assignment information; and sending out and receiving data by making use of the usable time-frequency resource. The invention further provides a frame processing device. The method and the device can realize compatibleness of the 802.16e proposal in the 802.16m system.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of frame processing method and frame processing apparatus.
Background technology
For promoting the development of wireless telecommunications, institute of electrical and electronic engineers (IEEE, Institute of Electricaland Electronics Engineers) 802.16 working groups will have finished the formulation of 802.16e standard the end of the year 2005, along with the development of wireless communication technique in recent years, IEEE802.16 working group just is being devoted to release the 802.16m standard at present.
802.16m being OFDM, the core technology of standard inserts (OFDMA, OrthogonalFrequency Division Multiple Access) technology and multichannel advance-multichannel goes out (MIMO, MultipleInput and Multiple Output) technology, the transmission rate target is that stationary state is issued to 1Gbit/s, mobile status is issued to 100Mbit/s, and the availability of frequency spectrum will be up to 10bit/s/Hz.As shown in Figure 1, in the frame structure of using in the 802.16m system, form a subframe (miniframe), form a frame (frame), form a super frame (super frame) by 4 frame again by 8 mini frame by 6 OFDMA symbols.
802.16m the system bandwidth of standard is greater than the system bandwidth of 802.16e standard, technical scheme how to use the frame of 802.16e form in the 802.16m system is not provided in the prior art, promptly is not provided at the solution of compatible 802.16e scheme in the 802.16m system in the prior art.
Summary of the invention
The embodiment of the invention provides a kind of frame processing method and frame processing apparatus, can be implemented in compatible 802.16e scheme in the 802.16m system.
The kind frame processing method that the embodiment of the invention provides comprises: obtain 802.16m leading part or broadcast part from the midbandwidth position of the carrier wave that receives; Partly obtain decoded information from described 802.16m leading part or broadcast; Decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence; From the downlink resource of described 802.16m frame, obtain the running time-frequency resource assignation information, determine available running time-frequency resource according to described running time-frequency resource assignation information; Utilize described available running time-frequency resource to carry out data transmit-receive.
The frame processing apparatus that the embodiment of the invention provides, comprise: the decoded information acquiring unit, be used for obtaining 802.16m leading part or broadcast part, partly obtain decoded information from described 802.16m leading part or broadcast from the midbandwidth position of the carrier wave that receives; The frame decoding unit is used for obtaining the 802.16m frame in the bandwidth decoding of described decoded information correspondence; The assignation information acquiring unit is used for obtaining the running time-frequency resource assignation information from the downlink resource of described 802.16m frame; The resource assignation unit is used for determining available resources according to described running time-frequency resource assignation information; Transmit-Receive Unit is used to utilize described available running time-frequency resource to carry out data transmit-receive.
As can be seen from the above technical solutions, the embodiment of the invention has the following advantages:
In the embodiment of the invention, because can be after decoding obtains the 802.16m frame, from the downlink resource of this frame, obtain the running time-frequency resource assignation information, determine available running time-frequency resource, and utilize described available running time-frequency resource to carry out data transmit-receive according to described running time-frequency resource assignation information.So at the 802.16m system time frequency resource during greater than the 802.16e system time frequency resource, can know the 802.16e resource residing running time-frequency resource position of current transmission and other the available running time-frequency resources on this frequency range, thereby can in available running time-frequency resource, carry other data, and do not influence the running time-frequency resource of 802.16e resource occupation, therefore can be implemented in compatible 802.16e scheme in the 802.16m system.
Description of drawings
Fig. 1 is a frame format schematic diagram in the 802.16m standard;
Fig. 2 is a frame processing method embodiment schematic diagram in the embodiment of the invention;
Fig. 3 is the frame format first embodiment schematic diagram in the embodiment of the invention;
Fig. 4 is the frame format second embodiment schematic diagram in the embodiment of the invention;
Fig. 5 is frame format the 3rd an embodiment schematic diagram in the embodiment of the invention;
Fig. 6 is frame format the 4th an embodiment schematic diagram in the embodiment of the invention;
Fig. 7 is frame format the 5th an embodiment schematic diagram in the embodiment of the invention;
Fig. 8 is frame format the 6th an embodiment schematic diagram in the embodiment of the invention;
Fig. 9 is frame format the 7th an embodiment schematic diagram in the embodiment of the invention;
Figure 10 is frame format the 8th an embodiment schematic diagram in the embodiment of the invention;
Figure 11 is frame format the 9th an embodiment schematic diagram in the embodiment of the invention;
Figure 12 is frame format the tenth an embodiment schematic diagram in the embodiment of the invention;
Figure 13 is a frame processing apparatus embodiment schematic diagram in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of frame processing method and frame processing apparatus, is used for being implemented in the compatible 802.16e scheme of 802.16m system.
In the embodiment of the invention, because can be after decoding obtains the 802.16m frame, from the downlink resource of this frame, obtain the running time-frequency resource assignation information, determine available running time-frequency resource, and utilize described available running time-frequency resource to carry out data transmit-receive according to described running time-frequency resource assignation information.So at the 802.16m system time frequency resource during greater than the 802.16e system time frequency resource, can know the 802.16e resource residing running time-frequency resource position of current transmission and other the available running time-frequency resources on this frequency range, thereby can in available running time-frequency resource, carry other data, and do not influence the running time-frequency resource of 802.16e resource occupation, therefore can be implemented in compatible 802.16e scheme in the 802.16m system.
Below the frame processing method in the embodiment of the invention is described in detail, sees also Fig. 2, frame processing method embodiment comprises in the embodiment of the invention:
201, the midbandwidth position from the carrier wave that receives obtains 802.16m leading part (preamble) or broadcast part;
In the present embodiment, 802.16m user terminal reception carrier in the 802.16m system, and obtain 802.16m leading part or broadcast part from the midbandwidth position of this carrier wave, 802.16m in the system, 802.16m leading part and broadcast part all are in the midbandwidth position of carrier wave.
Need to prove, present embodiment and below among each embodiment, user terminal promptly refers to the user terminal in the 802.16m system, frame promptly refers to the 802.16m frame.
202, partly obtain decoded information from 802.16m leading part or broadcast;
In the present embodiment, comprise decoded information in 802.16m leading part or the broadcast part, be used for indicating user terminal and decode at the running time-frequency resource of correspondence.
Need to prove that this decoded information is preset by the core control equipment in the 802.16m system.
203, decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence;
The corresponding bandwidth of decoded information inquiry that gets access to according to step 202, and the data in this bandwidth are decoded obtain the 802.16m frame.
Need to prove, user terminal receives before the carrier wave, 802.16m the core control equipment in the system is by determining the 802.16e resource with equipment such as base station mutual, and in the process of data dispatching, with these 802.16e resource bearings in carrier wave, and the running time-frequency resource assignation information that adding is correlated with in control messages, be 802.16e resource shared running time-frequency resource and idle running time-frequency resource in carrier wave, the running time-frequency resource assignation information is carried in the 802.16m downlink resource, and the carrier wave that will carry this downlink resource and other related datas is sent to user terminal.
204, from the downlink resource of described 802.16m frame, obtain the running time-frequency resource assignation information, determine available running time-frequency resource according to described running time-frequency resource assignation information;
After the user terminal parsing obtains the 802.16m frame, from the 802.16m downlink resource, obtain the running time-frequency resource assignation information, concrete obtaining means will be elaborated at follow-up each embodiment.
In the present embodiment, what the running time-frequency resource assignation information specifically comprised the 802.16e resource takies running time-frequency resource and available running time-frequency resource, in present embodiment and follow-up each embodiment, take the running time-frequency resource that running time-frequency resource is meant 802.16e resource occupation in the frame, available running time-frequency resource is meant can be for the running time-frequency resource of 802.16m user terminal use in frame, wherein, because the system time frequency resource of 802.16m is greater than the 802.16e system time frequency resource, 802.16e the preamble of resource is on its frequency points corresponding running time-frequency resource, and the 802.16e resource can only use a part of running time-frequency resource that is in this frequency running time-frequency resource to be used as the transmission of its up-downgoing signaling and data, and for the 802.16m system, the running time-frequency resource that then can take whole carrier wave carries out the transmission of up-downgoing signaling and data, so some is for taking running time-frequency resource in the residing frequency range of 802.16e resource, it is needed to be the 802.16e resource, some is idle running time-frequency resource in this frequency range in addition, be the operable running time-frequency resource of 802.16m system, showing in the running time-frequency resource assignation information can be for the running time-frequency resource of certain 802.16m user terminal use.
205, utilize described available running time-frequency resource to carry out data transmit-receive.
After the user terminal of 802.16m gets access to the running time-frequency resource assignation information, can know which running time-frequency resource by the 802.16e resource occupation, and simultaneously can to inquire which running time-frequency resource according to self sign be that self is operable, then:
The running time-frequency resource assignation information uses to the user terminal of corresponding 802.16m available running time-frequency resource assignment.
When the down time-frequency resource assignment information of user terminal according to the decoding gained, obtain the down time-frequency resource information that this user terminal is given in assignment, on this running time-frequency resource, receive data then.
When the uplink time assignation information of user terminal according to the decoding gained, obtain the uplink time information that this user terminal is given in assignment, on this running time-frequency resource, send data then.
The user terminal that is 802.16m can the assignment in frame insert data for its running time-frequency resource, and from its running time-frequency resource of frame middle finger dispensing reading corresponding data, and the 802.16e resource in the frame is not impacted, thereby can be implemented in compatible 802.16e scheme in the 802.16m system.
Describe in detail at such scheme below, need to prove, can the frame processing method in the embodiment of the invention be divided into two classes according to the residing position of 802.16e resource in the 802.16m frame:
One, the 802.16e resource is positioned at the midbandwidth position of this frame in frame:
In the present embodiment, 802.16e resource in the frame is positioned at the midbandwidth position of this frame, as Fig. 3 and 16e DL part and 16e UL part shown in Figure 4, wherein 16e DL partly is meant the downlink resource of 802.16e, and 16e UL partly is meant the ascending resource of 802.16e.
In the present embodiment, concrete realization means can also be divided into two classes:
A, running time-frequency resource assignation information are the running time-frequency resource assignation information in the next frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m downlink resource in the frame be the running time-frequency resource assignation information in the next adjacent frame, be user terminal gets access to this running time-frequency resource assignation information from former frame after, store this running time-frequency resource assignation information, when receiving the adjacent back frame of next order, utilize this running time-frequency resource assignation information that back one frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Fig. 3, frame format first embodiment specifically comprises in the embodiment of the invention:
The 16e DL part of 802.16e in this frame also comprises two parts resource except that downlink resource, be 305 and 306, wherein 305 is 802.16e frame control head (FCH, Frame Control Head), be mainly used in the modulation coding mode of indication map (MAP), 306 is 802.16e DL-MAP and UL-MAP, is mainly used in descending and assignment and mapping uplink time.
The handling process of this frame is described below: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Fig. 3 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these resource bearings on carrier wave, 802.16e resource place the midbandwidth position of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so have idle running time-frequency resource on the residing time period in the 802.16e resource, core control equipment with the running time-frequency resource of free time (as 301,302, shown in 303 and 304) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 300) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 307 or broadcast part, wherein broadcast partly is placed among Fig. 3 in the 802.16m DL shown in 300, partly read out decoded information from leading part 307 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 300 shown in Fig. 3) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource in the next 802.16m frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly after receiving the 2nd 802.16m frame, can know to be 301 for the running time-frequency resource that self uses, 302,303 and 304, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 301,302,303 and 304;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource 301,302,303 and 304.
Need to prove, because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource (as the running time-frequency resource that identifies with " X " among Fig. 3) is used to transmit data and may reduces performance, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
B, running time-frequency resource assignation information are the running time-frequency resource assignation information of this frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m DL resource in the frame be the running time-frequency resource assignation information of this frame, be that user terminal needs earlier this 802.16m frame to be stored in the physical memory, and the 802.16m frame in the physical memory resolved, from the 802.16m downlink resource of this frame, obtain the running time-frequency resource assignation information of this frame, and determine idle running time-frequency resource, utilize this free time running time-frequency resource that this frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Fig. 4, frame format second embodiment specifically comprises in the embodiment of the invention:
The 16e DL part of 802.16e in this frame also comprises two parts resource except that downlink resource, be 405 and 406, wherein 405 is 802.16e FCH, be mainly used in the modulation coding mode of indication map (MAP), 406 is 802.16e DL-MAP, is mainly used in the assignment and the mapping of down time-frequency resource.
The handling process of this frame is described below: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Fig. 4 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these Data-carryings on carrier wave, 802.16e resource place the midbandwidth position of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so on the residing frequency range of 802.16e resource, have idle running time-frequency resource, core control equipment with the running time-frequency resource of free time (as 401,402, shown in 403 and 404) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 400) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 407 or broadcast part, wherein broadcast partly is placed among Fig. 4 in the 802.16m DL shown in 400, partly read out decoded information from leading part 407 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 400 shown in Fig. 4) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource of this frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly can know to be 401 for the running time-frequency resource that self uses, 402,403 and 404, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 401,402,403 and 404;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource 401,402,403 and 404.
Need to prove, because the up-downgoing running time-frequency resource of 802.16m DL resource (as the running time-frequency resource that identifies with " X " among Fig. 4) is used to transmit data and may reduces performance, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
Introduce the 802.16e resource is positioned at the carrier wave running time-frequency resource of this frame in frame the situation of midbandwidth position above, introduced another situation below:
Two, the 802.16e resource is positioned at a side of this frame in frame:
In the present embodiment, the 802.16e resource in the frame is positioned at a side of this frame, and as Fig. 5 and 16e DL part and 16e UL part shown in Figure 6, wherein 16e DL partly is meant the downlink resource of 802.16e, and 16e UL partly is meant the ascending resource of 802.16e.
In the present embodiment, concrete realization means can also be divided into two classes:
A, running time-frequency resource assignation information are the running time-frequency resource assignation information in the next frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m downlink resource in the frame be the running time-frequency resource assignation information in the next adjacent frame, be user terminal gets access to this running time-frequency resource assignation information from former frame after, store this running time-frequency resource assignation information, when receiving the adjacent back frame of next order, utilize this running time-frequency resource assignation information that back one frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Fig. 5, frame format the 3rd embodiment specifically comprises in the embodiment of the invention:
The 16e DL part of 802.16e in this frame also comprises two parts resource except that downlink resource, be 505 and 506, wherein 505 is 802.16e FCH, be mainly used in the modulation coding mode of indication map (MAP), 506 is 802.16e DL-MAP, is mainly used in the assignment and the mapping of down time-frequency resource.
The handling process of this frame is described below: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Fig. 5 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these Data-carryings on carrier wave, 802.16e resource place a side of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so on the residing frequency range of 802.16e resource, have idle running time-frequency resource, core control equipment with the running time-frequency resource of free time (as 501,502, shown in 503 and 504) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 500) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 507 or broadcast part, wherein broadcast partly is placed among Fig. 5 in the 802.16m DL shown in 500, partly read out decoded information from leading part 507 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 500 shown in Fig. 5) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource in the next 802.16m frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly after receiving the 2nd 802.16m frame, can know to be 501 for the running time-frequency resource that self uses, 502,503 and 504, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 501,502,503 and 504;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource 501,502,503 and 504.
Need to prove, (as among Fig. 5 501 and 503) is used to transmit data and may reduces performance because the up-downgoing running time-frequency resource of 802.16m DL resource, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
B, running time-frequency resource assignation information are the running time-frequency resource assignation information of this frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m DL resource in the frame be the running time-frequency resource assignation information of this frame, be that user terminal needs earlier this 802.16m frame to be stored in the physical memory, and the 802.16m frame in the physical memory resolved, from the 802.16m downlink resource of this frame, obtain the running time-frequency resource assignation information of this frame, and determine corresponding running time-frequency resource, utilize this running time-frequency resource that this frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Fig. 6, frame format the 4th embodiment specifically comprises in the embodiment of the invention:
The 16e DL part of 802.16e in this frame also comprises two parts resource except that downlink resource, be 605 and 606, wherein 605 is 802.16e FCH, be mainly used in the modulation coding mode of indication map (MAP), 606 is 802.16e DL-MAP, is mainly used in the assignment and the mapping of down time-frequency resource.
The handling process of this frame is described below: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Fig. 6 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these Data-carryings on carrier wave, 802.16e resource place a side of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so on the residing frequency range of 802.16e resource, have idle running time-frequency resource, core control equipment with the running time-frequency resource of free time (as 601,602, shown in 603 and 604) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 600) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 607 or broadcast part, wherein broadcast partly is placed among Fig. 6 in the 802.16m DL shown in 600, partly read out decoded information from leading part 607 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 600 shown in Fig. 6) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource of this frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly can know to be 601 for the running time-frequency resource that self uses, 602,603 and 604, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 601,602,603 and 604;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource 601,602,603 and 604.
Need to prove, (as among Fig. 6 601 and 603) is used to transmit data and may reduces performance because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
4 kinds of implementations in the foregoing description, in the 802.16m frame of above-mentioned each embodiment, 802.16e downlink resource all before the downlink resource of 802.16m, be understandable that, in actual applications, 802.16e downlink resource can after the downlink resource of 802.16m, specifically can the frame processing method in the embodiment of the invention be divided into two classes equally according to the residing position of 802.16e resource in the 802.16m frame:
One, the 802.16e resource is positioned at the midbandwidth position of this frame in frame:
In the present embodiment, 802.16e resource in the frame is positioned at the midbandwidth position of this frame, as Fig. 7 and 16e DL part and 16e UL part shown in Figure 8, wherein 16e DL partly is meant the downlink resource of 802.16e, and 16e UL partly is meant the ascending resource of 802.16e.
In the present embodiment, concrete realization means can also be divided into two classes:
A, running time-frequency resource assignation information are the running time-frequency resource assignation information in the next frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m downlink resource in the frame be the running time-frequency resource assignation information in the next adjacent frame, be user terminal gets access to this running time-frequency resource assignation information from former frame after, store this running time-frequency resource assignation information, when receiving the adjacent back frame of next order, utilize this running time-frequency resource assignation information that back one frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Fig. 7, frame format the 5th embodiment specifically comprises in the embodiment of the invention:
The handling process of this frame is: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Fig. 7 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these Data-carryings on carrier wave, 802.16e resource place the midbandwidth position of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so on the residing frequency range of 802.16e resource, have idle running time-frequency resource, core control equipment with the running time-frequency resource of free time (as 701,702, shown in 703 and 704) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 700) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 705 or broadcast part, wherein broadcast partly is placed among Fig. 7 in the 802.16m DL shown in 300, partly read out decoded information from leading part 705 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 700 shown in Fig. 7) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource in the next 802.16m frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly after receiving the 2nd 802.16m frame, can know to be 701 for the running time-frequency resource that self uses, 702,703 and 704, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 701,702,703 and 704;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource 701,702,703 and 704.
Need to prove, because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource (as the running time-frequency resource that identifies with " X " among Fig. 7) is used to transmit data and may reduces performance, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
B, running time-frequency resource assignation information are the running time-frequency resource assignation information of this frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m DL resource in the frame be the running time-frequency resource assignation information of this frame, be that user terminal needs earlier this 802.16m frame to be stored in the physical memory, and the 802.16m frame in the physical memory resolved, from the 802.16m downlink resource of this frame, obtain the running time-frequency resource assignation information of this frame, and determine idle running time-frequency resource, utilize this free time running time-frequency resource that this frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Fig. 8, frame format the 6th embodiment specifically comprises in the embodiment of the invention:
The handling process of this frame is: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Fig. 8 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these Data-carryings on carrier wave, 802.16e resource place the midbandwidth position of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so on the residing frequency range of 802.16e resource, have idle running time-frequency resource, core control equipment with the running time-frequency resource of free time (as 801,802, shown in 803 and 804) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 800) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 805 or broadcast part, wherein broadcast partly is placed among Fig. 8 in the 802.16m DL shown in 800, partly read out decoded information from leading part 805 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 800 shown in Fig. 8) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource of this frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly can know to be 801 for the running time-frequency resource that self uses, 802,803 and 804, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 801,802,803 and 804;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource 801,802,803 and 804.
Need to prove, because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource (as the running time-frequency resource that identifies with " X " among Fig. 8) is used to transmit data and may reduces performance, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
Introduce the 802.16e resource is positioned at the carrier wave running time-frequency resource of this frame in frame the situation of midbandwidth position above, introduced another situation below:
Two, the 802.16e resource is positioned at a side of this frame in frame:
In the present embodiment, the 802.16e resource in the frame is positioned at a side of this frame, and as Fig. 9 and 16e DL part and 16e UL part shown in Figure 10, wherein 16e DL partly is meant the downlink resource of 802.16e, and 16e UL partly is meant the ascending resource of 802.16e.
In the present embodiment, concrete realization means can also be divided into two classes:
A, running time-frequency resource assignation information are the running time-frequency resource assignation information in the next frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m downlink resource in the frame be the running time-frequency resource assignation information in the next adjacent frame, be user terminal gets access to this running time-frequency resource assignation information from former frame after, store this running time-frequency resource assignation information, when receiving the adjacent back frame of next order, utilize this running time-frequency resource assignation information that back one frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Fig. 9, frame format the 7th embodiment specifically comprises in the embodiment of the invention:
The handling process of this frame is: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Fig. 9 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these Data-carryings on carrier wave, 802.16e resource place a side of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so on the residing frequency range of 802.16e resource, have idle running time-frequency resource, core control equipment with the running time-frequency resource of free time (as 901,902, shown in 903 and 904) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 900) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 905 or broadcast part, wherein broadcast partly is placed among Fig. 9 in the 802.16m DL shown in 900, partly read out decoded information from leading part 905 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 900 shown in Fig. 9) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource in the next 802.16m frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly after receiving the 2nd 802.16m frame, can know to be 901 for the running time-frequency resource that self uses, 902,903 and 904, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 901,902,903 and 904;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource 901,902,903 and 904.
Need to prove, (as among Fig. 9 901 and 902) is used to transmit data and may reduces performance because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
B, running time-frequency resource assignation information are the running time-frequency resource assignation information of this frame:
In the present embodiment, the indication of the running time-frequency resource assignation information that comprises in the 802.16m DL resource in the frame be the running time-frequency resource assignation information of this frame, be that user terminal needs earlier this 802.16m frame to be stored in the physical memory, and the 802.16m frame in the physical memory resolved, from the 802.16m downlink resource of this frame, obtain the running time-frequency resource assignation information of this frame, and determine idle running time-frequency resource, utilize this free time running time-frequency resource that this frame is carried out data transmit-receive.
Be described in detail below in conjunction with accompanying drawing, see also Figure 10, frame format the 8th embodiment specifically comprises in the embodiment of the invention:
The handling process of this frame is: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, promptly as 16e DL among Figure 10 and 16e UL, be respectively downlink resource and the ascending resource of 802.16e, and with these Data-carryings on carrier wave, 802.16e resource place a side of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so on the residing frequency range of 802.16e resource, have idle running time-frequency resource, core control equipment with the running time-frequency resource of free time (as 1001,1002, shown in 1003 and 1004) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 1000) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 1005 or broadcast part, wherein broadcast partly is placed among Figure 10 in the 802.16m DL shown in 1000, partly read out decoded information from leading part 1005 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 1000 shown in Figure 10) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource in this frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly can know to be 1001 for the running time-frequency resource that self uses, 1002,1003 and 1004, for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, in the present embodiment, active user's terminal available running time-frequency resource of assignment in the running time-frequency resource assignation information is 1001,1002,1003 and 1004;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time- frequency resource 1001,1002,1003 and 1004.
Need to prove, (as among Figure 10 1001 and 1002) is used to transmit data and may reduces performance because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
Among above-mentioned 8 embodiment, because can be after decoding obtains the 802.16m frame, from the downlink resource of this frame, obtain the running time-frequency resource assignation information, determine available running time-frequency resource, and utilize described available running time-frequency resource to carry out data transmit-receive according to described running time-frequency resource assignation information.So at the 802.16m system time frequency resource during greater than the 802.16e system time frequency resource, can know the 802.16e resource residing running time-frequency resource position of current transmission and other the available running time-frequency resources on this frequency range, thereby can in available running time-frequency resource, carry other data, and do not influence the running time-frequency resource of 802.16e resource occupation, therefore can be implemented in compatible 802.16e scheme in the 802.16m system.
Need to prove, extremely shown in Figure 10 as Fig. 3, in a 802.16m frame, 802.16m ascending resource (being 802.16m UL) all be that the ascending resource (being 802.16e UL) that is positioned at 802.16e before, is understandable that, in concrete application process, in a 802.16m frame, 802.16m UL equally can be after 802.16e UL, the frame processing mode among concrete processing mode and above-mentioned 8 embodiment is similar, repeats no more herein.
Among the embodiment of foregoing description, 802.16m leading residing position is the front portion of first 802.16m DL in each 802.16m frame, be understandable that, this is leading can be arranged in other 802.16m DL of 802.16m frame equally, and be not limited to the front portion, simultaneously, in the above-described embodiment, 16e DL is the shared running time-frequency resource of 802.16e, can not be used by the 802.16m user terminal, be understandable that, can use running time-frequency resource for further increasing 802.16m, this part running time-frequency resource can be shared to 802.16e and 802.16m and be used, be specially:
See also Figure 11, frame format the 9th embodiment specifically comprises in the embodiment of the invention:
The handling process of this frame is: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, i.e. part as being used to carry 802.16e among 16e DL among Figure 11 and the UL, be respectively downlink resource and the 802.16e ascending resource of 802.16e, and with these resource bearings on carrier wave, 802.16e resource place the midbandwidth position of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so have idle running time-frequency resource on the residing time period in the 802.16e resource, core control equipment with the running time-frequency resource of free time (as among Figure 11 with the running time-frequency resource of " up available " or " descending available " sign) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 1100) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 1101 (leading part the present embodiment is placed in the rear portion of last 802.16m DL in the frame) or broadcast part, wherein broadcast partly is placed among Figure 11 in the 802.16m DL shown in 1100, partly read out decoded information from leading part 1101 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 1100 shown in Figure 11) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource of this frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly can know can be for the running time-frequency resource that self uses (as the running time-frequency resource that identifies with " up available " or " descending available " among Figure 11), for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, because the UL in the present embodiment partly is the shared resource of 802.16e and 802.16m, which can use for current user terminal in this UL part so the running time-frequency resource assignation information also needs to indicate;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource.
Need to prove, be that example describes to indicate self available running time-frequency resource only in the present embodiment, is understandable that, can also be used to indicating the available running time-frequency resource in the next frame equally.
In addition, because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource (as the running time-frequency resource that identifies with " X " among Figure 11) is used to transmit data and may reduces performance, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
See also Figure 12, frame format the tenth embodiment specifically comprises in the embodiment of the invention:
The handling process of this frame is: the core control equipment in the 802.16m system is by knowing the resource of 802.16e alternately with communication apparatus such as base stations, i.e. part as being used to carry 802.16e among 16e DL among Figure 12 and the UL, be respectively downlink resource and the 802.16e ascending resource of 802.16e, and with these resource bearings on carrier wave, 802.16e resource place a side of carrier wave, because the 802.16e system time frequency resource is littler than 802.16m system time frequency resource, so have idle running time-frequency resource on the residing time period in the 802.16e resource, core control equipment with the running time-frequency resource of free time (as among Figure 12 with the running time-frequency resource of " up available " or " descending available " sign) positional information as the running time-frequency resource assignation information, and this running time-frequency resource assignation information is stored in the control information, again this control information is stored among the downlink resource 802.16m DL (shown in 1200) of 802.16m, afterwards whole carrier wave is sent to user terminal.
User terminal receives this carrier wave, and from 802.16m leading part 1201 (leading part the present embodiment is placed in the rear portion of last 802.16m DL in the frame) or broadcast part, wherein broadcast partly is placed among Figure 12 in the 802.16m DL shown in 1200, partly read out decoded information from leading part 1201 or broadcast, and decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence, downlink resource (802.16m DL from described 802.16m frame, be 1200 shown in Figure 12) in obtain the running time-frequency resource assignation information, it is the idle running time-frequency resource of this frame, determining according to the sign of self simultaneously can be for the running time-frequency resource that self uses, promptly can know can be for the running time-frequency resource that self uses (as the running time-frequency resource that identifies with " up available " or " descending available " among Figure 12), for example available resources that can indicating user terminal A in the running time-frequency resource assignation information and the available resources of user terminal B, because the UL in the present embodiment partly is the shared resource of 802.16e and 802.16m, which can use for current user terminal in this UL part so the running time-frequency resource assignation information also needs to indicate;
When in described frame, inserting data, judge whether the insertion target running time-frequency resource of described data can use for self, if then in described insertion target running time-frequency resource, insert described data;
When reading of data from described frame, judge whether the sign of described data place running time-frequency resource can be used for self, if then from described running time-frequency resource, read described data.
That is to say that user terminal can carry out data transmit-receive by available running time-frequency resource.
Need to prove, be that example describes to indicate self available running time-frequency resource only in the present embodiment, is understandable that, can also be used to indicating the available running time-frequency resource in the next frame equally.
In addition, because the idle running time-frequency resource of the up-downgoing of 802.16m DL resource (as the running time-frequency resource that identifies with " X " among Figure 12) is used to transmit data and may reduces performance, so in order to improve the transmission performance of 802.16m frame, can this two parts running time-frequency resource be set to unavailablely, can improve transmission performance.
Introduce the frame processing apparatus in the embodiment of the invention below, be understandable that, this frame processing apparatus can place user terminal to realize, specifically sees also Figure 13, and frame processing apparatus embodiment comprises in the embodiment of the invention:
Decoded information acquiring unit 1301 is used for obtaining 802.16m leading part or broadcast part from the midbandwidth position of the carrier wave that receives, partly obtains decoded information from described 802.16m leading part or broadcast;
Assignation information acquiring unit 1303, the downlink resource that is used for the 802.16m frame that 1302 decodings obtain from described frame decoding unit obtains the running time-frequency resource assignation information;
Transmit-Receive Unit 1305 is used to utilize the available running time-frequency resource of described resource assignation unit 1304 assignments to carry out data transmit-receive.
In the present embodiment, assignation information acquiring unit 1303 may further include:
First acquiring unit 13031 is used for obtaining from the downlink resource of described frame the running time-frequency resource assignation information of described frame, and what described running time-frequency resource assignation information was used for indicating described frame 802.16e resource takies running time-frequency resource and available running time-frequency resource;
Or
In the present embodiment, the 802.16e resource take the side that running time-frequency resource is positioned at the midbandwidth position of described carrier wave or is positioned at described carrier wave.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises the steps: when carrying out
Obtain 802.16m leading part or broadcast part from the midbandwidth position of the carrier wave that receives; Partly obtain decoded information from described 802.16m leading part or broadcast; Decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence; From the downlink resource of described 802.16m frame, obtain the running time-frequency resource assignation information, determine available running time-frequency resource according to described running time-frequency resource assignation information; Utilize described available running time-frequency resource to carry out data transmit-receive.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than a kind of frame processing method provided by the present invention and frame processing apparatus are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1, a kind of frame processing method is characterized in that, comprising:
Obtain 802.16m leading part or broadcast part from the midbandwidth position of the carrier wave that receives;
Partly obtain decoded information from described 802.16m leading part or broadcast;
Decoding obtains the 802.16m frame in the bandwidth of described decoded information correspondence;
From the downlink resource of described 802.16m frame, obtain the running time-frequency resource assignation information, determine available running time-frequency resource according to described running time-frequency resource assignation information;
Utilize described available running time-frequency resource to carry out data transmit-receive.
2, method according to claim 1 is characterized in that, the described step of obtaining the running time-frequency resource assignation information from the downlink resource of described 802.16m frame comprises:
Obtain the running time-frequency resource assignation information from the downlink resource of former frame, what described running time-frequency resource assignation information was used for indicating a back frame 802.16e resource adjacent with described former frame takies running time-frequency resource and available running time-frequency resource;
Comprise before the described step of utilizing described available running time-frequency resource to carry out data transmit-receive:
When receiving a described adjacent back frame, determine the available running time-frequency resource of described back one frame according to the running time-frequency resource assignation information that from described former frame, obtains out.
3, method according to claim 1 is characterized in that, the described step of obtaining the running time-frequency resource assignation information from the downlink resource of described 802.16m frame comprises:
The frame that described decoding is obtained is stored in physical memory;
To the running time-frequency resource assignation information that the downlink resource of the frame in the described physical memory is decoded and obtained described frame, what described running time-frequency resource assignation information was used for indicating described frame 802.16e resource takies running time-frequency resource and available running time-frequency resource.
4, according to claim 2 or 3 described methods, described 802.16e resource take the side that running time-frequency resource is positioned at the midbandwidth position of described carrier wave or is positioned at described carrier wave.
According to claim 2 or 3 described methods, it is characterized in that 5, the described step of utilizing described available running time-frequency resource to carry out data transmit-receive comprises:
Be designated active user's terminal can with running time-frequency resource in carry out Data Receiving or transmission.
6, a kind of frame processing apparatus is characterized in that, comprising:
The decoded information acquiring unit is used for obtaining 802.16m leading part or broadcast part from the midbandwidth position of the carrier wave that receives, partly obtains decoded information from described 802.16m leading part or broadcast;
The frame decoding unit is used for obtaining the 802.16m frame in the bandwidth decoding of described decoded information correspondence;
The assignation information acquiring unit is used for obtaining the running time-frequency resource assignation information from the downlink resource of described 802.16m frame;
The resource assignation unit is used for determining available resources according to described running time-frequency resource assignation information;
Transmit-Receive Unit is used to utilize described available running time-frequency resource to carry out data transmit-receive.
7, frame processing apparatus according to claim 6 is characterized in that, described assignation information acquiring unit comprises:
First acquiring unit is used for obtaining from the downlink resource of described frame the running time-frequency resource assignation information of described frame, and what described running time-frequency resource assignation information was used for indicating described frame 802.16e resource takies running time-frequency resource and available running time-frequency resource;
Or
Second acquisition unit is used for obtaining the running time-frequency resource assignation information from the downlink resource of former frame, and what described running time-frequency resource assignation information was used for indicating a back frame 802.16e resource adjacent with described former frame takies running time-frequency resource and available running time-frequency resource.
8, frame processing apparatus according to claim 7 is characterized in that, described 802.16e resource take the side that running time-frequency resource is positioned at the midbandwidth position of described carrier wave or is positioned at described carrier wave.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007103012763A CN101465846A (en) | 2007-12-18 | 2007-12-18 | Method and apparatus for processing frame |
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| CNA2007103012763A CN101465846A (en) | 2007-12-18 | 2007-12-18 | Method and apparatus for processing frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299693A (en) * | 2011-12-31 | 2013-09-11 | 华为技术有限公司 | Method, apparatus and system for orthogonal frequency division multiple access |
| CN104602296A (en) * | 2013-11-01 | 2015-05-06 | 中国移动通信集团北京有限公司 | Method and device for allocating uplink bandwidth |
| WO2015169189A1 (en) * | 2014-05-09 | 2015-11-12 | Huawei Technologies Co., Ltd. | System and method for orthogonal frequency division multiple access communications |
-
2007
- 2007-12-18 CN CNA2007103012763A patent/CN101465846A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299693A (en) * | 2011-12-31 | 2013-09-11 | 华为技术有限公司 | Method, apparatus and system for orthogonal frequency division multiple access |
| CN103299693B (en) * | 2011-12-31 | 2016-07-13 | 华为技术有限公司 | Orthogonal frequency division multiple access method, device and system |
| CN104602296A (en) * | 2013-11-01 | 2015-05-06 | 中国移动通信集团北京有限公司 | Method and device for allocating uplink bandwidth |
| CN104602296B (en) * | 2013-11-01 | 2018-03-23 | 中国移动通信集团北京有限公司 | The distribution method and device of a kind of upstream bandwidth |
| WO2015169189A1 (en) * | 2014-05-09 | 2015-11-12 | Huawei Technologies Co., Ltd. | System and method for orthogonal frequency division multiple access communications |
| US9954663B2 (en) | 2014-05-09 | 2018-04-24 | Huawei Technologies Co., Ltd. | System and method for orthogonal frequency division multiple access communications |
| US10615934B2 (en) | 2014-05-09 | 2020-04-07 | Huawei Technologies Co., Ltd. | System and method for orthogonal frequency division multiple access communications |
| US11082181B2 (en) | 2014-05-09 | 2021-08-03 | Huawei Technologies Co., Ltd. | System and method for orthogonal frequency division multiple access communications |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090624 |