CN1741666A - A block radio resource distributing method - Google Patents

A block radio resource distributing method Download PDF

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Publication number
CN1741666A
CN1741666A CN 200410057305 CN200410057305A CN1741666A CN 1741666 A CN1741666 A CN 1741666A CN 200410057305 CN200410057305 CN 200410057305 CN 200410057305 A CN200410057305 A CN 200410057305A CN 1741666 A CN1741666 A CN 1741666A
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time slot
radio resource
packet radio
descending
application
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CN100589629C (en
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瞿小成
王宏伟
朱清华
王继宏
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ZTE Corp
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ZTE Corp
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Abstract

A distributing method of packet radio resource includes initializing system and loading data for obtaining configuration state of current packet radio resource , generating databank as per said configuration state , indexing databank according to its input parameter when packet radio resource is requested by terminal to system , selecting one to distribute it to said terminal if usable time slot set is available , or otherwise returning request failure message back to said terminal .

Description

A kind of packet radio resource allocation methods
Technical field
The present invention relates in a kind of field of mobile communication based on GPRS (General Packet RadioService, GPRS) and EGPRS (Enhanced GPRS, the GPRS of expansion) wireless resource allocation methods of technology relates in particular to a kind of method that the terminal of supporting multi-slot is carried out the packet radio resource allocation.
Background technology
Wireless resource allocation methods is the valuable source distribution method that realizes the practical business handling process in moving communicating field.In 2G system (second generation communication system), existed very ripe wireless resource allocation methods, but for GPRS and EGPRS system, an important feature of terminal can utilize a plurality of time slots to carry out the upstream or downstream transfer of data exactly simultaneously, therefore there have been bigger change in the wireless resource allocation methods of system and original 2G system, its main distinction is that GPRS and EGPRS system need adopt the packet radio resource allocation methods, also need simultaneously to consider how to give and support the terminal of multislot capability to carry out allocation of radio resources, thereby can satisfy its performance for terminal distribution, the time slot combined resource of business need.
But the method that adopts when carrying out the packet radio resource allocation based on gprs system in the prior art is in system initialisation phase and does not consider under the situation of current resource distribution, according to the multislot capability list content, generates initial time slot tabulation in advance; When the terminal to apply resource, system need travel through the tabulation of initial time slot, finds the time slot formation that not only is present in the initial time slot tabulation but also meets current system packet radio resource distribution situation.The shortcoming of above-mentioned existing method is that the static initial time slot tabulation that generates is a static big array of preserving with the array form, not only committed memory is big, and during the allocation packets Radio Resource, can only adopt the method that whole initial time slot tabulation is traveled through, therefrom take out a time slot combination and the packet radio resource distribution situation comparison of current system, if meet then the combination of this time slot is available, it is very low therefore to carry out efficient.In addition, because during EGPRS system requirements allocation packets Radio Resource, need the concrete flow on the consideration Radio Resource, and strive reaching the throughput maximum of each packet radio resource, and the initial time slot tabulation of existing method is that system initialisation phase generates, can't distribute in conjunction with the flow of real-time change, so this method can't satisfy the requirement of EGPRS about the packet radio resource allocation.
Summary of the invention
Technical problem to be solved by this invention provides a kind of packet radio resource allocation methods, and this method raising system effectively carries out the execution efficient of packet radio resource allocation, and Installed System Memory takies little when carrying out.
In order to solve the problems of the technologies described above, the invention provides a kind of packet radio resource allocation methods, this method is used for GPRS, EGPRS communication system, it is characterized in that, comprises the steps:
(a) the base station controller system operation that powers on obtains the configuring condition of current group Radio Resource behind the loading data;
(b) according to the configuring condition of the current packet radio resource of system, generate database table, comprise website, sub-district, carrier frequency information at least, multislot capability information and available time slot combined field;
(c) when terminal during, retrieve this database table,, then select one to distribute to this terminal if there is the available time slot combination according to its input parameter to system's application packet radio resource; Otherwise, return the application failed message to the caller of this application.
Further, said method can have following characteristics: described step (b) is further divided into following steps:
(b1) structure one database table is set following field: the time slot combination that the period of standing, cell id, carrier frequency number, multislot capability grade, this application direction, opposite direction take situation, meet the demands;
(b2) according to the configuring condition of current group Radio Resource, when obtaining the up nothing of descending distribution and taking, uplink assignment is descending has when taking and the available time slot combination of the descending nothing of uplink assignment when taking;
(b3) the available time slot combination that obtains above-mentioned is inserted into and obtains corresponding record in the described database table; When the configuring condition of packet radio resource changes, upgrade the content of this database table.
Further, said method can have following characteristics: described step (b1) is also set up a plurality of formations to each carrier frequency by the various combination that multislot capability grade, this application direction, opposite direction take situation when setting up database table.
Further, said method can have following characteristics: described step (c) is further divided into following steps:
(c1) when terminal during to system's application packet radio resource, system judges that according to the reciprocal channel occupancy situation of the terminal in the input parameter applying for this whether the opposite channel of direction exists takies;
(c2) if channel takies in the other direction, then this application must distribute on the carrier frequency at opposite direction channel occupancy place, if channel does not take in the other direction, then selects optimum carrier frequency and distribute in the sub-district;
The multislot capability grade of bringing into during (c3) according to carrier frequency that obtains and portable terminal request channel, the application direction of terminal, opposite direction take situation, directly navigate to certain formation of described database table, judge whether element is 0 in the formation, if be 0, execution in step (c4), otherwise execution in step (c5):
(c4) multislot capability being subtracted 1 at every turn, navigate to certain formation of database table according to new multislot capability, is not 0 up to the queue element (QE) of being located, execution in step (c5); Or multislot capability has been kept to 0, and this applies for finishing, and returns the application failed message to the caller of this application;
(c5) take out element in the formation, navigate to the corresponding database record, take out the available time slot combination in the record, this time slot combination is distributed to the caller of application.
Further, said method can have following characteristics: also comprise the flow field in the described database table of generation, the value of this field is obtained by minute timing statistics or is regularly reported by system obtaining, and when taking out element in the step (c5) from described formation is to select that first element of flow minimum takes out in the formation.
Further, said method can have following characteristics: described formation is that the element of taking-up is first element of getting in this formation by flow sequence arrangement from small to large.
Further, said method can have following characteristics: the configuring condition of described current group Radio Resource is a grouped channels configuring condition under the carrier frequency.
Further, said method can have following characteristics: the available time slot combination when described step (b2) adopts following method to calculate the up nothing of descending distribution to take:
Configuring condition according to the current group Radio Resource, obtain R0=min (Rx, Sum) satisfy the arrangement L of current group radio-resource-configuration in all arranging situation, the data-base recording that is generated by L is those records that the up nothing of descending distribution takies, wherein: Rx: be illustrated in the timeslot number that can be useful on the down link of a portable terminal in the tdma frame at most; Sum: be illustrated in each tdma frame, all can be an employed number of time slot sum of portable terminal.
Further, said method can have following characteristics: after calculating described arrangement L, described step (b2) adopts following method to calculate the descending available time slot combination that has when taking of uplink assignment:
Calculating timeslot number is: TUUNUSE[i]=(TDLEFT-Tra+5+i) TDRIGHT-TDLEFT+T of MOD 8 Tb+ T Ra+ 1 unavailable time slot combination X that ascending time slot is formed, i=0,1 ..., TDRIGHT-TDLEFT+T Tb+ T Ra
Wherein: TUUNUSE: represent the set of up unavailable time slot tabulation; TDLEFT: minimum available time slot number in the expression descending time slot tabulation; TDRIGHT: maximum available time slot number in the expression descending time slot tabulation; Tra: the required time that the expression portable terminal is finished the adjacent cell signal measurement and prepared to receive; Ttb: the required time that the expression portable terminal is ready for sending;
With making AND-operation after element among the L and the respective element negate among the X, be 0 eliminating, obtain arranging L ', the data-base recording that is generated by L ' is that uplink assignment is descending those records that take.
Further, said method can have following characteristics: the available time slot combination when described step (b2) adopts the descending nothing of following method calculating uplink assignment to take:
According to the configuring condition of current group Radio Resource, obtain T0=min (Tx, Sum/2) those that satisfy the current packet radio resource distribution of system in all arranging situation are arranged L1; And obtain timeslot number and be: TDUNUSE[i]=(TULEFT-Ttb+3+i) TURIGHT-TULEFT+T of MOD 8 Tb+ T Ra+ 1 unavailable time slot combination X1 that descending time slot is formed, i=0,1 ..., URIGHT-TULEFT+T Tb+ T Ra
Wherein: Tx: the timeslot number that is illustrated in the up link (transmission) that can be useful on a portable terminal in the tdma frame at most; Tta: the required time that the expression portable terminal is finished the adjacent cell signal measurement and is ready for sending; Trb: the expression portable terminal is prepared the required time of reception; TURIGHT: maximum available time slot number in the expression ascending time slot tabulation; TULEFT: minimum available time slot number in the expression ascending time slot tabulation; TDUNUSE: represent the set of descending unavailable time slot tabulation;
With making AND-operation after element among the L1 and the respective element negate among the X1, be 0 eliminating, obtain arranging L ", by L " data-base recording that generates is the descending nothing of uplink assignment those records when taking.
Compared with prior art, packet radio resource allocation methods of the present invention has the following advantages:
A, existing method do not generate the time slot tabulation in advance according to the current configuring condition of system, and preserve with the form of array, take a large amount of internal memories, can only adopt the form retrieval of traversal; The present invention adopts the method for database table, can generate record according to the configuring condition of current system, and committed memory is little, and can utilize the queue technology of database to come quick position the record, makes that carrying out efficient improves;
B, further, the initial time slot tabulation of existing method is that system initialisation phase generates, can't distribute in conjunction with the flow of real-time change, and the present invention can the coupling system running in the flow of real time altering distribute, satisfy the requirement of EGPRS about the packet radio resource allocation;
C, the present invention calculate simple and convenient, and amount of calculation is little, and practicality is good.
Description of drawings
Fig. 1 is the structure chart of database table R_ASSIGN described in the embodiment of the invention packet radio resource allocation methods;
Fig. 2 is the terminal multislot capability grade figure of standard GSM (global system for mobile communications) 05.02 regulation;
Fig. 3 is that the up nothing of descending application takies and the descending calculating schematic diagram that available time slot under the situation of taking is arranged of up application in the embodiment of the invention packet radio resource allocation methods;
Fig. 4 is the calculating schematic diagram that up application and descending nothing take the available time slot under the situation in the embodiment of the invention packet radio resource allocation methods;
Fig. 5 be in the embodiment of the invention packet radio resource allocation methods system according to the flow chart of terminal to apply allocation packets Radio Resource.
Embodiment
For understanding packet radio resource allocation methods of the present invention in depth, the present invention is described in detail below in conjunction with drawings and the specific embodiments.
The primary demand of GPRS and the multi-slot packet radio resource allocation of EGPRS system has two aspects, and the one, the theoretical time slot how to come computing terminal to take by all multi-parameters of each rank terminal makes up; The 2nd, under the resource allocation result of this theoretical time slot combination, how to carry out wireless resource allocation, just at the distribution of actual physical available time slot.The present invention has solved in original multi-slot packet radio resource allocation methods the shortcoming of carrying out that efficient is low, overhead big and can't distributing in conjunction with flow effectively on the basis of satisfying primary demand aspect above-mentioned two.
This method is used for GPRS, EGPRS communication system, and the resident system equipment of algorithm operation is BSC (base station controller), and present embodiment packet radio resource allocation methods may further comprise the steps:
Step 1, BSC initialization, and loading data finishes, thereby the configuring condition of the current packet radio resource of the system that obtains, i.e. PDTCH (packet data traffic channel) configuring condition under each carrier frequency.
Step 2, configuring condition according to the current packet radio resource of system, generate database table R_ASSIGN as shown in Figure 1, this database table R_ASSIGN sets the fields such as flow Flow of station period SiteId, cell id BtsId, carrier frequency number TrxId, multislot capability grade MulClass, this application direction Direct, reciprocal operating position Used, the time slot combination S lotList that meets the demands and current time slots combination, and each carrier frequency is set up MulClass*Direct*Used formation.MulClass is 29 to the maximum according to Fig. 2, Direct is the up-downgoing both direction, and Used is 256 for taking in the other direction, so each carrier frequency is set up 29*2*256 formation, element in the formation (being recording mechanism) is according to the flow in corresponding record ordering, the flow minimum come the foremost.This Flow adds up in a minute timing, also can regularly report flow by system, the Flow in the new database more of giving the correct time in the timing again.
In the present embodiment, the data type of the period SiteId that stands is WORD (word), and span is 1～1024; The data type of cell id BtsId is BYTE (byte), and span is 1～3; The data type of carrier frequency number TrxId is BYTE, and span is 1～36; The data type of multislot capability grade MulClass is BYTE, and span is 1～12; Data type of this application direction Direct is BYTE, and value is to represent uply at 0 o'clock, and value is to represent descending at 1 o'clock; The data type of reciprocal operating position Used is BYTE, and span is 0～255, is that 0 expression nothing takies; The data type of the time slot combination S lotList that meets the demands is BYTE, and span is 0～255.
Available time slot record when present embodiment obtains the up nothing of descending distribution and takies according to following computation rule one, the descending available time slot record that has when taking of uplink assignment, available time slot record when obtaining the descending nothing of uplink assignment and take according to following computation rule two, wherein descending the taking of uplink assignment taken down channel when being meant MS (portable terminal or travelling carriage) application up channel; The up nothing of descending distribution takies and does not take up channel when then referring to MS application down channel.
Computation rule one, according to the grouped channels configuring condition under the carrier frequency, as shown in Figure 3, obtain R0=min (Rx, Sum) satisfy the arrangement L of current group radio-resource-configuration in all arrangement P (R0) situation, and have timeslot number: TUUNUSE[i]=(TDLEFT-Tra+5+i) the common TDRIGHT-TDLEFT+T of MOD 8 Tb+ T RaThe unavailable time slot combination X that+1 ascending time slot is formed, i=0 wherein, 1 ..., TDRIGHT-TDLEFT+T Tb+ T Ra
In the epimere, Rx: the timeslot number that is illustrated in the down link (reception) that can be useful on a MS in the tdma frame at most; Sum: be illustrated in each tdma frame, all can be an employed number of time slot sum of MS; TUUNUSE: represent the set of up unavailable time slot tabulation; TDLEFT: minimum available time slot number in the expression descending time slot tabulation; TDRIGHT: maximum available time slot number in the expression descending time slot tabulation; Tra: the required time that expression MS finishes the adjacent cell signal measurement and prepares to receive; Ttb: the required time that expression MS is ready for sending.
The content of time slot tabulation is the bitmap of one 8 bit, it is the time slot combination, 8 time slots under the corresponding carrier frequency, make crack number from 0 to 7, each bit represents whether time slot corresponding can be occupied, promptly whether is configured to PDTCH, is " 01100101 " such as the binary value of certain time slot tabulation SlotList, represent that then this MS can use the 0th, 2,5,6 four time slot, promptly the 0th, 2,5,6 time slot configuration is PDTCH.X is the set of unavailable time slot tabulation, and for each element among the X (referring to the time slot tabulation), arranging all has an element corresponding with it among the L; If certain element be " 11111100 " among the set X, show then among the L that corresponding with it element 0～1 can be used and 2～7 unavailable.
To make AND-operation after element among the L and the respective element negate among the X, be 0 eliminating after, obtain arranging L '; Record when those that are generated by L are recorded as the up nothing of descending distribution and take, those that are generated by L ' are recorded as the descending record that has when taking of uplink assignment.
Computation rule two, as Fig. 2, shown in Figure 4, according to the grouped channels PDTCH configuring condition under the carrier frequency TRX, obtain T0=min (Tx, Sum/2) those that satisfy the current packet radio resource distribution of system in all arrangement P (T0) situation are arranged L1, and have timeslot number: TDUNUSE[i]=(TULEFT-Ttb+3+i) the common TURIGHT-TULEFT+T of MOD 8 Tb+ T RaThe unavailable time slot combination X1 that+1 descending time slot is formed, i=0 wherein, 1 ..., URIGHT-TULEFT+T Tb+ T Ra
In the epimere, Tx: the timeslot number that is illustrated in the up link (transmission) that can be useful on a MS in the tdma frame at most; Tta: the required time that expression MS finishes the adjacent cell signal measurement and is ready for sending; Trb: expression MS prepares the required time of reception; TURIGHT: maximum available time slot number in the expression ascending time slot tabulation; TULEFT: minimum available time slot number in the expression ascending time slot tabulation; TDUNUSE: represent the set of descending unavailable time slot tabulation, X1 is identical with the data type of X.
With making AND-operation after element among the L1 and the respective element negate among the X1, be 0 eliminating, obtain arranging L "; By L " those records when being recorded as the descending nothing of uplink assignment and taking of generating.
Element in these set that obtain above is inserted among the above-mentioned database table R_ASSIGN and incorporates corresponding formation into, after generating the content of database table R_ASSIGN, only changed under the situation of the current configuration of system at the OMC-R of operation maintenance center, setting up procedure two once more just promptly needs to upgrade the content of R_ASSIGN database table.
Step 3, as MS during to system's application packet radio resource, as shown in Figure 5, the distribution of packet radio resource comprises the steps:
Step 110, the parameter that system imports during according to terminal to apply packet radio resource, judge that applying for this whether the opposite channel of direction exists takies, sub-district, the direction of terminal to apply, the multislot capability of terminal, the reciprocal channel occupancy situation of terminal, the terminal that the input parameter in the present embodiment includes the terminal place take in the other direction the place carrier frequency, whether need terminal to carry out measurements of neighboring cells and frequency hopping whether; If channel takies, carry out next step, in the other direction in the other direction if channel does not take execution in step 130;
Step 120, this application are chosen on the carrier frequency at channel occupancy place in the other direction (being former carrier frequency) and distribute execution in step 140;
Step 130 is selected optimum carrier frequency (as the traffic carrying capacity minimum) and is distributed in the sub-district;
Step 140, according to the carrier frequency that obtains and current multislot capability, in the input parameter terminal the application direction, take in the other direction, directly navigate to certain formation of R_ASSIGN table;
" current multislot capability " in this step is when step 140 is carried out first, the multislot capability grade of bringing into when its initial value is the terminal to apply channel, after this once more during execution in step 140, the numerical value of multislot capability is the operation result of multislot capability in the step 160.
Step 150 judges whether element is 0 in the formation, if be 0, carries out next step, otherwise execution in step 190;
Step 160 subtracts 1 to multislot capability;
Step 170 judges whether multislot capability is 0, if be not 0, execution in step 140 if multislot capability has been kept to 0, is carried out next step again;
Step 180, this applies for finishing, and returns the application failure to the terminal of this application;
Step 190, take out the first bit element (referring to the recording mechanism in the database) in the formation, navigate to the corresponding database record, take out time slot combination in the record, this time slot combination is the optimum time slot combination of this sub-distribution, and the combination of this time slot returned to the caller of filing an application (because algorithm is not directly mutual with MS, but quilt and the mutual process transfer of MS, so be described as the caller applied for herein).
The database table that the present invention generates according to the system configuration situation writes down the time slot tabulation for the packet radio resource allocation, make that the distribution of channel is more reasonable, the database table committed memory that generates is little, execution efficient height, and the flow of real time altering distributes in can the coupling system running, this method before especially the function that can't possess.Because several constraintss of the strict GPRS multislot capability terminal of following standard GSM 05.02 and GSM 04.60 regulation and consider more influencing factor, the method has good practicality; In addition, the method that the present invention proposes need not complicated calculating, makes full use of the queue technology in the existing private database technology, and position the record is convenient, has improved efficient effectively.

Claims (10)

1, a kind of packet radio resource allocation methods, this method is used for GPRS, EGPRS communication system, it is characterized in that it comprises the steps:
(a) the base station controller system operation that powers on obtains the configuring condition of current group Radio Resource behind the loading data;
(b) according to the configuring condition of the current packet radio resource of system, generate database table, comprise website, sub-district, carrier frequency information at least, multislot capability information and available time slot combined field;
(c) when terminal during, retrieve this database table,, then select one to distribute to this terminal if there is the available time slot combination according to its input parameter to system's application packet radio resource; Otherwise, return the application failed message to the caller of this application.
2, packet radio resource allocation methods according to claim 1 is characterized in that: described step (b) is further divided into following steps:
(b1) structure one database table is set following field: the time slot combination that the period of standing, cell id, carrier frequency number, multislot capability grade, this application direction, opposite direction take situation, meet the demands;
(b2) according to the configuring condition of current group Radio Resource, when obtaining the up nothing of descending distribution and taking, uplink assignment is descending has when taking and the available time slot combination of the descending nothing of uplink assignment when taking;
(b3) the available time slot combination that obtains above-mentioned is inserted into and obtains corresponding record in the described database table; When the configuring condition of packet radio resource changes, upgrade the content of this database table.
3, packet radio resource allocation methods according to claim 2, it is characterized in that, described step (b1) is also set up a plurality of formations to each carrier frequency by the various combination that multislot capability grade, this application direction, opposite direction take situation when setting up database table.
4, packet radio resource allocation methods according to claim 3 is characterized in that: described step (c) is further divided into following steps:
(c1) when terminal during to system's application packet radio resource, system judges that according to the reciprocal channel occupancy situation of the terminal in the input parameter applying for this whether the opposite channel of direction exists takies;
(c2) if channel takies in the other direction, then this application must distribute on the carrier frequency at opposite direction channel occupancy place, if channel does not take in the other direction, then selects optimum carrier frequency and distribute in the sub-district;
The multislot capability grade of bringing into during (c3) according to carrier frequency that obtains and portable terminal request channel, the application direction of terminal, opposite direction take situation, directly navigate to certain formation of described database table, judge whether element is 0 in the formation, if be 0, execution in step (c4), otherwise execution in step (c5):
(c4) multislot capability is subtracted 1 at every turn, navigate to certain formation of database table according to new multislot capability, up to the queue element (QE) of being located is not 0, execution in step (c5), or multislot capability has been kept to 0, then this application finishes, and returns the application failed message to the caller of this application;
(c5) take out element in the formation, navigate to the corresponding database record, take out the available time slot combination in the record, this time slot combination is distributed to the caller of application.
5, packet radio resource allocation methods according to claim 4, it is characterized in that, also comprise the flow field in the described database table that generates, the value of this field is obtained by minute timing statistics or is regularly reported by system obtaining, and when taking out element in the step (c5) from described formation is to select that first element of flow minimum takes out in the formation.
6, packet radio resource allocation methods according to claim 5 is characterized in that: described formation is that the element of taking-up is first element of getting in this formation by flow sequence arrangement from small to large.
7, packet radio resource allocation methods according to claim 2 is characterized in that: the configuring condition of described current group Radio Resource is a grouped channels configuring condition under the carrier frequency.
8, packet radio resource allocation methods according to claim 2 is characterized in that: the available time slot combination when described step (b2) adopts following method to calculate the up nothing of descending distribution to take:
Configuring condition according to the current group Radio Resource, obtain R0=min (Rx, Sum) satisfy the arrangement L of current group radio-resource-configuration in all arranging situation, the data-base recording that is generated by L is those records that the up nothing of descending distribution takies, wherein: Rx: be illustrated in the timeslot number that can be useful on the down link of a portable terminal in the tdma frame at most; Sum: be illustrated in each tdma frame, all can be an employed number of time slot sum of portable terminal.
9, packet radio resource allocation methods according to claim 8 is characterized in that: after calculating described arrangement L, described step (b2) adopts following method to calculate the descending available time slot combination that has when taking of uplink assignment:
Calculating timeslot number is: TUUNUSE[i]=(TDLEFT-Tra+5+i) TDRIGHT-TDLEFT+T of MOD 8 Tb+ T Ra+ 1 unavailable time slot combination X that ascending time slot is formed, i=0,1 ..., TDRIGHT-TDLEFT+T Tb+ T Ra
Wherein: TUUNUSE: represent the set of up unavailable time slot tabulation; TDLEFT: minimum available time slot number in the expression descending time slot tabulation; TDRIGHT: maximum available time slot number in the expression descending time slot tabulation; Tra: the required time that the expression portable terminal is finished the adjacent cell signal measurement and prepared to receive; Ttb: the required time that the expression portable terminal is ready for sending;
With making AND-operation after element among the L and the respective element negate among the X, be 0 eliminating, obtain arranging L ', the data-base recording that is generated by L ' is descending those records that have when taking of uplink assignment.
10, packet radio resource allocation methods according to claim 9 is characterized in that: the available time slot combination when described step (b2) adopts the descending nothing of following method calculating uplink assignment to take:
According to the configuring condition of current group Radio Resource, obtain T0=min (Tx, Sum/2) those that satisfy the current packet radio resource distribution of system in all arranging situation are arranged L1; And obtain timeslot number and be: TDUNUSE[i]=(TULEFT-Ttb+3+i) TURIGHT-TULEFT+T of MOD 8 Tb+ T Ra+ 1 unavailable time slot combination X1 that descending time slot is formed, i=0,1 ..., URIGHT-TULEFT+T Tb+ T Ra
Wherein: Tx: the timeslot number that is illustrated in the up link (transmission) that can be useful on a portable terminal in the tdma frame at most; Tta: the required time that the expression portable terminal is finished the adjacent cell signal measurement and is ready for sending; Trb: the expression portable terminal is prepared the required time of reception; TURIGHT: maximum available time slot number in the expression ascending time slot tabulation; TULEFT: minimum available time slot number in the expression ascending time slot tabulation; TDUNUSE: represent the set of descending unavailable time slot tabulation;
With making AND-operation after element among the L1 and the respective element negate among the X1, be 0 eliminating, obtain arranging L ", by L " data-base recording that generates is the descending nothing of uplink assignment those records when taking.
CN200410057305A 2004-08-26 2004-08-26 A block radio resource distributing method Expired - Fee Related CN100589629C (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009062389A1 (en) * 2007-11-02 2009-05-22 China Mobile Communications Corporation Resource scheduling method and corresponding apparatus
CN101499894B (en) * 2008-02-01 2011-04-20 大唐移动通信设备有限公司 Uplink scheduling method in time division duplex system
CN101499895B (en) * 2008-02-01 2011-04-20 大唐移动通信设备有限公司 Uplink scheduling method in time division duplex system
CN113455046A (en) * 2019-02-20 2021-09-28 Abb电网瑞士股份公司 Method for allocating resources in wireless communication system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009062389A1 (en) * 2007-11-02 2009-05-22 China Mobile Communications Corporation Resource scheduling method and corresponding apparatus
CN101426267B (en) * 2007-11-02 2013-11-06 中国移动通信集团公司 Resource scheduling method and apparatus
CN101499894B (en) * 2008-02-01 2011-04-20 大唐移动通信设备有限公司 Uplink scheduling method in time division duplex system
CN101499895B (en) * 2008-02-01 2011-04-20 大唐移动通信设备有限公司 Uplink scheduling method in time division duplex system
CN113455046A (en) * 2019-02-20 2021-09-28 Abb电网瑞士股份公司 Method for allocating resources in wireless communication system

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