CN105262561A - Method and device for selecting transport format combinations - Google Patents
Method and device for selecting transport format combinations Download PDFInfo
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- CN105262561A CN105262561A CN201410345125.8A CN201410345125A CN105262561A CN 105262561 A CN105262561 A CN 105262561A CN 201410345125 A CN201410345125 A CN 201410345125A CN 105262561 A CN105262561 A CN 105262561A
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- Prior art keywords
- tfc
- overpower
- tfcs
- assessment result
- assessment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
Abstract
The invention discloses a method and a device for selecting transport format combinations (TFC). The method comprises the following steps: measuring current uplink transmitting power; evaluating overpower of each TFC in TFCS according to the uplink transmitting power; and selecting a TFC satisfying a preset condition in the TFCS according to an overpower evaluation result of each TFC for sending data. The invention further discloses a TFC selection device.
Description
Technical field
The present invention relates to Wideband Code Division Multiple Access (WCDMA) (WCDMA, WidebandCodeDivisionMultipleAccess) correlation technique transmitted in up link, particularly relate to a kind of system of selection and device of transformat combination (TFC, TransportFormatCombination).
Background technology
Compared with the wireless access system of the second generation (2G), a new concept is introduced: Coded Combined Transport Channel (CCTrCH in the wireless access system of the third generation (3G), CodedCompositeTransportChannel), so-called CCTrCH is by multiple transmission channel (TrCH, TransportChannel) combine, in each transmission channel, comprise multiple transformat (TF, TransportFormat); In a CCTrCH, each transformat of each transmission channel becomes a transport format combination set (TFCS, TransportFormatCombinationSet) according to agreement composition of relations, and an element in TFCS is TFC.
At present, subscriber equipment (UE is just defined in WCDMA agreement, UserEquipment) at Dedicated Physical Data Channel (DPDCH, DedicatedPhysicalDataChannel) in business procedure, each transfer of data, all need to assess each TFC power according to current transmitting power, cause to avoid choosing the excessive TFC of power in TFC selection course UE to send data exception, but do not describe concrete methods of realizing.
Summary of the invention
In view of this, the embodiment of the present invention expects the system of selection and the device that provide a kind of TFC, can improve the service feature of DPDCH.
For achieving the above object, technical scheme of the present invention is achieved in that
A system of selection of TFC, described method comprises:
Measure current uplink transmission power;
According to described uplink transmission power, overpower assessment is carried out to TFC each in TFCS;
According to overpower assessment result to each TFC, select in described TFCS and meet pre-conditioned TFC and carry out data transmission.
In such scheme, describedly according to described uplink transmission power, overpower assessment is carried out to TFC each in TFCS and comprise: according to the uplink transmission power P that records
m, pass through
overpower assessment is carried out to TFC each in TFCS;
Wherein, P
xfor TFC
(x)under, the transmitting power of up link assessment, TFC
(x)represent an xth TFC to be assessed in TFCS; P
mfor the uplink transmission power in current use TFCS during m TFC transmission data;
for current TFC
(m)under, the square value of Dedicated Physical Control Channel (DPCCH, DedicatedPhysicalControlChannel) gain factor;
for current TFC
(m)under, the square value of DPDCH gain factor;
for TFC to be assessed
(x)under, the square value of DPCCH gain factor;
for TFC to be assessed
(x)under, the square value of DPDCH gain factor.
In such scheme, described overpower assessment is carried out to TFC each in TFCS after, described method also comprises: the overpower assessment result storing each TFC is to overpower assessment result queue corresponding to described TFC; Wherein, the queue of described overpower assessment result is round-robin queue or first-in first-out (FIFO, FirstInFirstOut) queue.
In such scheme, described foundation is to the overpower assessment result of each TFC, select in described TFCS and meet pre-conditioned TFC and carry out data and send and comprise: according to the overpower assessment result of each TFC stored and state transition criterion, condition adjudgement is carried out to each TFC in described TFCS, the state of selecting is support the TFC of state, and is support to select the TFC of state to meet pre-conditioned TFC and carry out data transmission from state.
In such scheme, be describedly pre-conditionedly: the data volume that TFC can carry is less than or equal to the current data volume that will send, and closest with the described current data volume that will send.
The embodiment of the present invention additionally provides the choice device of a kind of TFC, and described device comprises: measurement module, overpower evaluation module, TFC select module; Wherein,
Described measurement module, for measuring current uplink transmission power;
Described overpower evaluation module, for carrying out overpower assessment according to described uplink transmission power to TFC each in TFCS;
Described TFC selects module, for according to the overpower assessment result to each TFC, selects in described TFCS and meets pre-conditioned TFC and carry out data transmission.
In such scheme, described overpower evaluation module carries out overpower assessment according to described uplink transmission power to TFC each in TFCS and comprises: described overpower evaluation module is according to the uplink transmission power P recorded
m, pass through
overpower assessment is carried out to TFC each in TFCS,
Wherein, P
xfor TFC
(x)under, the transmitting power of up link assessment, TFC
(x)represent an xth TFC to be assessed in TFCS; P
mfor the uplink transmission power in current use TFCS during m TFC transmission data;
for current TFC
(m)under, the square value of DPCCH gain factor;
for current TFC
(m)under, the square value of DPDCH gain factor;
for TFC to be assessed
(x)under, the square value of DPCCH gain factor;
for TFC to be assessed
(x)under, the square value of DPDCH gain factor.
In such scheme, described device also comprises memory module, for storing the overpower assessment result overpower assessment result queue that extremely described TFC is corresponding of each TFC; Wherein, the queue of described overpower assessment result is round-robin queue or fifo queue.
In such scheme, described TFC selects module according to the overpower assessment result of each TFC stored, select in described TFCS and meet pre-conditioned TFC and carry out data and send and comprise: described TFC selects module according to the overpower assessment result of each TFC stored and state transition criterion, condition adjudgement is carried out to each TFC in described TFCS, the state of selecting is support the TFC of state, and is support to select the TFC of state to meet pre-conditioned TFC and carry out data transmission from state.
In such scheme, be describedly pre-conditionedly: the data volume that TFC can carry is less than or equal to the current data volume that will send, and closest with the described current data volume that will send.
The system of selection of the TFC that the embodiment of the present invention provides and device, measure current uplink transmission power; According to described uplink transmission power, overpower assessment is carried out to TFC each in TFCS; According to overpower assessment result to each TFC, select in described TFCS and meet pre-conditioned TFC and carry out data transmission.So, dynamically and in real time can assess the power rating of TFC, avoid in TFC selection course, choosing the excessive TFC of power and cause UE to send the situation generation of data exception, thus improve the service feature of DPDCH.
Accompanying drawing explanation
Fig. 1 is the system of selection schematic flow sheet of the embodiment of the present invention one TFC;
Fig. 2 is the state transition schematic diagram of embodiment of the present invention TFC;
Fig. 3 is the system of selection schematic flow sheet of the embodiment of the present invention two TFC;
Fig. 4 is the composition structural representation of the choice device of embodiment of the present invention TFC.
Embodiment
Fig. 1 is the system of selection schematic flow sheet of the embodiment of the present invention one TFC, and as shown in Figure 1, the system of selection of the present embodiment TFC comprises:
Step 101: measure current uplink transmission power;
Here, existing method of measurement periodic measurement uplink transmission power can be adopted;
This step specifically comprises: periodically measure current TFC
(m)under, the transmitting power P of the reality of up link
m; Wherein, described measuring period can be a time slot;
Wherein, TFC
(m)representing current uses m TFC in TFCS to transmit data, and the span of m is [0, x], and m is positive integer;
for current TFC
(m)under, the square value of DPCCH gain factor, β
cmfor current TFC
(m)under, the gain factor of DPCCH;
for current TFC
(m)under, the square value of DPDCH gain factor, β
dmfor current TFC
(m)under, the gain factor of DPDCH;
and
value all can by network terminal configure obtain, namely by network allocation or by UE according to specific formulation calculate obtain; Described K
mfor current TFC
(m)under, the coefficient between gain factor square value and transmitting power; Described
for the power of DPCCH,
for the power of DPDCH.
Step 102: overpower assessment is carried out to TFC each in TFCS according to the uplink transmission power measured;
Here, TFC to be assessed in described TFCS
(x)under, the transmitting power of up link is P
x;
Wherein, TFC
(x)represent an xth TFC to be assessed in TFCS, the span of x is determined by network allocation;
for TFC to be assessed
(x)under, the square value of DPCCH gain factor, β
cxfor TFC to be assessed
(x)under, the gain factor of DPCCH;
for TFC to be assessed
(x)under, the square value of DPDCH gain factor, β
dxfor TFC to be assessed
(x)under, the gain factor of DPDCH;
and
value all can by network terminal configure obtain, namely by network allocation or by UE according to specific formulation calculate obtain; K
xfor TFC to be assessed
(x)under, the coefficient between gain factor square value and transmitting power;
for TFC to be assessed
(x)under, the power of DPCCH,
for TFC to be assessed
(x)under, the power of DPDCH;
By formula (1), (2), (3), TFC to be assessed can be obtained
(x)under, the transmitting power P of up link
xfor:
As the TFC to be assessed obtained
(x)under, P
xvalue when being greater than maximum transmission power, show described TFC
(x)for overpower; Wherein, maximum transmission power can be configured by network terminal and obtain or obtained by the emission maximum ability of UE.
Further, after carrying out overpower assessment to TFC each in TFCS, described method also comprises: the overpower assessment result overpower assessment result queue that extremely described TFC is corresponding storing each TFC, namely stores TFC in TFCS
(x)under overpower assessment result P
xto described TFC
(x)corresponding overpower assessment result queue; Here, the queue of described overpower assessment result can be round-robin queue or fifo queue; The storage mode of described round-robin queue or fifo queue requires to preserve several nearest assessment results;
When the queue of described overpower assessment result is round-robin queue, described round-robin queue can store n overpower assessment result, and n is positive integer, and index i indicates the overpower assessment result of i-th time, namely the last overpower assessment result; As n<i<2n, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-n in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result; As 2n<i<3n, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-2n in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result; By that analogy, as sn<i< (s+1) n, when s is positive integer, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-sn in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result;
When the queue of described overpower assessment result is fifo queue, described round-robin queue can store n overpower assessment result, n is positive integer, index i indicates the overpower assessment result of i-th time, namely the last overpower assessment result, as i>n, to delete in current fifo queue the earliest stored in overpower assessment result.
Step 103: according to overpower assessment result to each TFC, selects in described TFCS and meets pre-conditioned TFC and carry out data transmission;
This step specifically comprises: according to overpower assessment result and the state transition criterion of each TFC stored, condition adjudgement is carried out to each TFC in described TFCS, the state selecting TFC is support the TFC of state, and be support to select the TFC of state to meet pre-conditioned TFC from state, and according to described meet pre-conditioned TFC carry out up ULDPDCH group bag, and send to carry out data delivery; Wherein, describedly meet the data volume that pre-conditioned TFC can carry and be less than or equal to the current data volume that will send, and closest with the described current data volume that will send;
Here, the state of described TFC comprises: support that state, overpower state, power block state;
Described state transition criterion comprises: limited criterion, obstruction criterion, recovery criterion; Wherein,
Described limited criterion is: in nearest Y the measuring period of TFC, and have the overpower assessment result of X time to be greater than maximum transmission power, then described TFC enters overpower state;
Described obstruction criterion is: the lasting duration that TFC is in overpower state reaches time T, then described TFC enters obstruction state; Wherein, time span T is by decisions such as maximum transmission time interval (TTI, TransmissionTimeInterval), speech coding mode switching times;
Described recovery criterion is: the overpower assessment result in nearest Z the measuring period of TFC is all less than maximum transmission power, then described TFC enters support state;
Preferably, X=15, Y=30, Z=30 described in the present embodiment.
Fig. 2 is the state transition schematic diagram of TFC, as shown in Figure 2, when TFC is in support state, if limited criterion satisfies condition, then enters overpower state; If block criterion under overpower state to satisfy condition, then enter obstruction state; If recover criterion under overpower state to satisfy condition, then enter support state; If recover criterion under obstruction state to meet the demands, then enter support state.
Fig. 3 is the system of selection schematic flow sheet of the embodiment of the present invention two TFC, and as shown in Figure 3, the system of selection of the present embodiment TFC comprises:
Step 301: measure current uplink transmission power;
Here, existing method of measurement periodic measurement uplink transmission power can be adopted;
This step specifically comprises: periodically measure current TFC
(m)under, the transmitting power P of the reality of up link
m; Described measuring period is a time slot.
Step 302: according to the current uplink transmission power measured, overpower assessment is carried out to TFC each in TFCS, and stores described overpower assessment result;
Here, described according to described uplink transmission power, overpower assessment is carried out to TFC each in TFCS and comprises: according to the uplink transmission power P recorded
m, pass through
overpower assessment is carried out to TFC each in TFCS:
Wherein, P
xfor TFC
(x)under, the transmitting power of up link, TFC
(x)represent an xth TFC to be assessed in TFCS, the span of x is determined by network allocation; P
mfor the uplink transmission power in current use TFCS during m TFC transmission data, the span of m is [0, x], and m is positive integer;
for current TFC
(m)under, the square value of DPCCH gain factor;
for current TFC
(m)under, the square value of DPDCH gain factor;
for TFC to be assessed
(x)under, the square value of DPCCH gain factor;
for TFC to be assessed
(x)under, the square value of DPDCH gain factor;
and
value all can by network terminal configure obtain, namely by network allocation or by UE according to specific formulation calculate obtain;
As the TFC to be assessed obtained
(x)under, P
xvalue when being greater than maximum transmission power, show described TFC
(x)for overpower; Wherein, maximum transmission power can be configured by network terminal and obtain or obtained by the emission maximum ability of UE;
Described storage described overpower assessment result is specially: the overpower assessment result overpower assessment result queue that extremely described TFC is corresponding storing each TFC, namely stores TFC in TFCS
(x)under assessment result P
xto described TFC
(x)corresponding overpower assessment result queue; Here, the queue of described overpower assessment result can be round-robin queue or fifo queue; The storage mode of described round-robin queue or fifo queue requires to preserve several nearest assessment results;
When the queue of described overpower assessment result is round-robin queue, described round-robin queue can store n overpower assessment result, n is positive integer, index i indicates the overpower assessment result of i-th time, namely the last overpower assessment result, as n<i<2n, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-n in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result, as 2n<i<3n, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-2n in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result, by that analogy, as sn<i< (s+1) n, when s is positive integer, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-sn in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result,
When the queue of described overpower assessment result is fifo queue, described round-robin queue can store n overpower assessment result, n is positive integer, index i indicates the overpower assessment result of i-th time, namely the last overpower assessment result, as i>n, to delete in current fifo queue the earliest stored in overpower assessment result.
Step 303: condition adjudgement is carried out to each TFC in described TFCS;
This step specifically comprises: foundation, to the overpower assessment result of each TFC and state transition criterion, carries out condition adjudgement to each TFC in described TFCS;
Here, described state comprises: support that state, overpower state, power block state;
Described state transition criterion comprises: limited criterion, obstruction criterion, recovery criterion; Wherein,
Described limited criterion is: in nearest Y the measuring period of TFC, and have the overpower assessment result of X time to be greater than maximum transmission power, then described TFC enters overpower state;
Described obstruction criterion is: the lasting duration that TFC is in overpower state reaches time T, then described TFC enters obstruction state; Wherein, time span T is by decisions such as the longest TTI, speech coding mode switching times;
Described recovery criterion is: the overpower assessment result in nearest Z the measuring period of TFC is all less than maximum transmission power, then described TFC enters support state;
When TFC is in support state, if limited criterion satisfies condition, then enter overpower state; If block criterion under overpower state to satisfy condition, then enter obstruction state; If recover criterion under overpower state to satisfy condition, then enter support state; If recover criterion under obstruction state to meet the demands, then enter support state;
Preferably, X=15, Y=30, Z=30 described in the present embodiment.
Step 304: according to condition adjudgement result to TFC each in TFCS, selects to meet pre-conditioned TFC, and meets pre-conditioned TFC group ULDPDCH and wrap according to described and carry out data transmission;
Here, described foundation is to the condition adjudgement result of TFC each in TFCS, select to meet pre-conditioned TFC to comprise: according to the condition adjudgement result to TFC each in TFCS, the state of selecting is support the TFC of state, and is support to select the TFC of state to meet pre-conditioned TFC from state; Wherein, describedly meet the data volume that pre-conditioned TFC can carry and be less than or equal to the current data volume that will send, and closest with the described current data volume that will send.
Fig. 4 is the composition structural representation of the choice device of embodiment of the present invention TFC, and as shown in Figure 4, the composition of the choice device of embodiment of the present invention TFC comprises: measurement module 41, overpower evaluation module 42 and TFC select module 43; Wherein,
Described measurement module 41, for measuring current uplink transmission power;
Described overpower evaluation module 42, for carrying out overpower assessment according to described uplink transmission power to TFC each in TFCS;
Described TFC selects module 43, for according to the overpower assessment result to each TFC, selects in described TFCS and meets pre-conditioned TFC and carry out data transmission;
Wherein, describedly meet the data volume that pre-conditioned TFC can carry and be more than or equal to the current data volume that will send, and closest with the described current data volume that will send;
Here, described measurement module 41 is measured current uplink transmission power and is specially: described measurement module 41 periodically measures current TFC
(m)under, the transmitting power P of the reality of up link
m; Wherein, described measuring period can be a time slot.
Further, described overpower evaluation module 42 according to described uplink transmission power to TFC each in TFCS carry out overpower assessment comprise: described overpower evaluation module 42 is according to the current uplink transmission power P recorded
m, pass through
overpower assessment is carried out to TFC each in TFCS:
Wherein, P
xfor TFC
(x)under, the transmitting power of up link, TFC
(x)represent an xth TFC to be assessed in TFCS, the span of x is determined by network allocation; P
mfor the uplink transmission power in current use TFCS during m TFC transmission data, the span of m is [1, x], and m is positive integer;
for current TFC
(m)under, the square value of DPCCH gain factor, β
cmfor current TFC
(m)under, the gain factor of DPCCH;
for current TFC
(m)under, the square value of DPDCH gain factor, β
dmfor current TFC
(m)under, the gain factor of DPDCH;
for TFC to be assessed
(x)under, the square value of DPCCH gain factor, β
cxfor TFC to be assessed
(x)under, the gain factor of DPCCH;
for TFC to be assessed
(x)under, the square value of DPDCH gain factor, β
dxfor TFC to be assessed
(x)under, the gain factor of DPDCH;
and
value all can by network terminal configure obtain, namely by network allocation or by UE according to specific formulation calculate obtain;
As the TFC to be assessed obtained
(x)under, P
xvalue when being greater than maximum transmission power, show described TFC
(x)for overpower; Wherein, maximum transmission power can be configured by network terminal and obtain or obtained by the emission maximum ability of UE.
Further, described device also comprises memory module 44, for storing the overpower assessment result overpower assessment result queue that extremely described TFC is corresponding of each TFC, namely stores TFC in TFCS
(x)under assessment result P
xto described TFC
(x)corresponding overpower assessment result queue; Here, the queue of described overpower assessment result can be round-robin queue or fifo queue; The storage mode of described round-robin queue or fifo queue requires to preserve several nearest assessment results;
When the queue of described overpower assessment result is round-robin queue, described round-robin queue can store n overpower assessment result, n is positive integer, index i indicates the overpower assessment result of i-th time, namely the last overpower assessment result, as n<i<2n, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-n in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result, as 2n<i<3n, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-2n in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result, by that analogy, as sn<i< (s+1) n, when s is positive integer, the overpower assessment result of i-th time to be stored in previous cycle queue the earliest stored in the position of overpower assessment result, the i.e. position of index i-sn in round-robin queue, to replace in previous cycle queue the earliest stored in overpower assessment result,
When the queue of described overpower assessment result is fifo queue, described round-robin queue can store n overpower assessment result, n is positive integer, index i indicates the overpower assessment result of i-th time, namely the last overpower assessment result, as i>n, to delete in current fifo queue the earliest stored in overpower assessment result.
Further, described TFC selects module 43 according to the overpower assessment result of each TFC stored, and selects in described TFCS to meet pre-conditioned TFC and carry out data and send and comprise:
Described TFC selects module 43 according to the overpower assessment result of each TFC stored and state transition criterion, condition adjudgement is carried out to each TFC in described TFCS, the state selecting TFC is support the TFC of state, and be support to select the TFC of state to meet pre-conditioned TFC from state, and according to described meet pre-conditioned TFC carry out ULDPDCH group bag, and send to carry out data delivery; Wherein, describedly meet the data volume that pre-conditioned TFC can carry and be less than or equal to the current data volume that will send, and closest with the described current data volume that will send;
Here, the state of described TFC comprises: support that state, overpower state, power block state;
Described state transition criterion comprises: limited criterion, obstruction criterion, recovery criterion; Wherein,
Described limited criterion is: in nearest Y the measuring period of TFC, and have the overpower assessment result of X time to be greater than maximum transmission power, then described TFC enters overpower state;
Described obstruction criterion is: the lasting duration that TFC is in overpower state reaches time T, then described TFC enters obstruction state; Wherein, time span T is by decisions such as TTI, speech coding mode switching times;
Described recovery criterion is: the overpower assessment result in nearest Z the measuring period of TFC is all less than maximum transmission power, then described TFC enters support state;
Preferably, X=15, Y=30, Z=30 described in the present embodiment;
When TFC is in support state, if limited criterion satisfies condition, then enter overpower state; If block criterion under overpower state to satisfy condition, then enter obstruction state; If recover criterion under overpower state to satisfy condition, then enter support state; If recover criterion under obstruction state to meet the demands, then enter support state.
The module 43 of described measurement module 41, overpower evaluation module 42 and TFC selection above all can by the central processing unit (CPU in server, or digital signal processor (DSP CentralProcessingUnit), or field programmable gate array (FPGA DigitalSignalProcessor), FieldProgrammableGateArray) realize, described memory module 44 can be realized by memory.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (10)
1. a system of selection of transformat combination TFC, is characterized in that, described method comprises:
Measure current uplink transmission power;
According to described uplink transmission power, overpower assessment is carried out to TFC each in transmission mode combination of sets TFCS;
According to overpower assessment result to each TFC, select in described TFCS and meet pre-conditioned TFC and carry out data transmission.
2. method according to claim 1, is characterized in that, describedly carries out overpower assessment according to described uplink transmission power to TFC each in TFCS and comprises: according to the uplink transmission power P recorded
m, pass through
overpower assessment is carried out to TFC each in TFCS;
Wherein, P
xfor TFC
(x)under, the transmitting power of up link assessment, TFC
(x)represent an xth TFC to be assessed in TFCS; P
mfor the uplink transmission power in current use TFCS during m TFC transmission data;
for current TFC
(m)under, the square value of special used for physical control channel DPCCH gain factor;
for current TFC
(m)under, the square value of Dedicated Physical Data Channel DPDCH gain factor;
for TFC to be assessed
(x)under, the square value of DPCCH gain factor;
for TFC to be assessed
(x)under, the square value of DPDCH gain factor.
3. method according to claim 1 or 2, is characterized in that, described overpower assessment is carried out to TFC each in TFCS after, described method also comprises: the overpower assessment result storing each TFC is to overpower assessment result queue corresponding to described TFC; Wherein, the queue of described overpower assessment result is round-robin queue or first-in first-out fifo queue.
4. method according to claim 1 or 2, it is characterized in that, described foundation is to the overpower assessment result of each TFC, select in described TFCS and meet pre-conditioned TFC and carry out data and send and comprise: according to the overpower assessment result of each TFC stored and state transition criterion, condition adjudgement is carried out to each TFC in described TFCS, the state of selecting is support the TFC of state, and is support to select the TFC of state to meet pre-conditioned TFC and carry out data transmission from state.
5. method according to claim 1 or 2, is characterized in that, is describedly pre-conditionedly: the data volume that TFC can carry is less than or equal to the current data volume that will send, and closest with the described current data volume that will send.
6. a choice device of TFC, is characterized in that, described device comprises: measurement module, overpower evaluation module, TFC select module; Wherein,
Described measurement module, for measuring current uplink transmission power;
Described overpower evaluation module, for carrying out overpower assessment according to described uplink transmission power to TFC each in TFCS;
Described TFC selects module, for according to the overpower assessment result to each TFC, selects in described TFCS and meets pre-conditioned TFC and carry out data transmission.
7. device according to claim 6, is characterized in that, described overpower evaluation module carries out overpower assessment according to described uplink transmission power to TFC each in TFCS and comprises: described overpower evaluation module is according to the uplink transmission power P recorded
m, pass through
overpower assessment is carried out to TFC each in TFCS,
Wherein, P
xfor TFC
(x)under, the transmitting power of up link assessment, TFC
(x)represent an xth TFC to be assessed in TFCS; P
mfor the uplink transmission power in current use TFCS during m TFC transmission data;
for current TFC
(m)under, the square value of DPCCH gain factor;
for current TFC
(m)under, the square value of DPDCH gain factor;
for TFC to be assessed
(x)under, the square value of DPCCH gain factor;
for TFC to be assessed
(x)under, the square value of DPDCH gain factor.
8. device according to claim 6 or 7, is characterized in that, described device also comprises memory module, for storing the overpower assessment result overpower assessment result queue that extremely described TFC is corresponding of each TFC; Wherein, the queue of described overpower assessment result is round-robin queue or fifo queue.
9. device according to claim 6 or 7, it is characterized in that, described TFC selects module according to the overpower assessment result of each TFC stored, select in described TFCS and meet pre-conditioned TFC and carry out data and send and comprise: described TFC selects module according to the overpower assessment result of each TFC stored and state transition criterion, condition adjudgement is carried out to each TFC in described TFCS, the state of selecting is support the TFC of state, and is support to select the TFC of state to meet pre-conditioned TFC and carry out data transmission from state.
10. device according to claim 6 or 7, is characterized in that, is describedly pre-conditionedly: the data volume that TFC can carry is less than or equal to the current data volume that will send, and closest with the described current data volume that will send.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345125.8A CN105262561A (en) | 2014-07-18 | 2014-07-18 | Method and device for selecting transport format combinations |
| PCT/CN2014/093253 WO2015117485A1 (en) | 2014-07-18 | 2014-12-08 | Selection method and device for transmission format combination, and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410345125.8A CN105262561A (en) | 2014-07-18 | 2014-07-18 | Method and device for selecting transport format combinations |
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| WO (1) | WO2015117485A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306418A (en) * | 2016-04-20 | 2017-10-31 | 深圳市中兴微电子技术有限公司 | A kind of state determines method and terminal |
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| CN101563864A (en) * | 2006-12-22 | 2009-10-21 | 日本电气株式会社 | Tfc selection device and method in mobile communication and program thereof |
| CN101631376A (en) * | 2009-06-16 | 2010-01-20 | 中兴通讯股份有限公司 | Method and device for deterining power state |
| CN103312461A (en) * | 2012-03-16 | 2013-09-18 | 华为技术有限公司 | Selection method of transmission formats in uplink multi-input multi-output (MIMO) system and relevant methods and equipment |
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| JP3847737B2 (en) * | 2003-08-12 | 2006-11-22 | 松下電器産業株式会社 | Communication terminal device and transmission power control method |
| CN101753196B (en) * | 2008-12-18 | 2013-05-08 | 中兴通讯股份有限公司 | Selection method and device of transport format combination |
| WO2010101808A1 (en) * | 2009-03-02 | 2010-09-10 | Interdigital Patent Holdings, Inc. | Method and apparatus for extending coverage for ul transmission over e-dch in idle mode and cell_fach state |
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- 2014-12-08 WO PCT/CN2014/093253 patent/WO2015117485A1/en active Application Filing
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| CN1983847A (en) * | 2006-04-12 | 2007-06-20 | 华为技术有限公司 | Method for adjusting user-terminal up-link power proportioning |
| CN101563864A (en) * | 2006-12-22 | 2009-10-21 | 日本电气株式会社 | Tfc selection device and method in mobile communication and program thereof |
| CN101631376A (en) * | 2009-06-16 | 2010-01-20 | 中兴通讯股份有限公司 | Method and device for deterining power state |
| CN103312461A (en) * | 2012-03-16 | 2013-09-18 | 华为技术有限公司 | Selection method of transmission formats in uplink multi-input multi-output (MIMO) system and relevant methods and equipment |
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| CN107306418A (en) * | 2016-04-20 | 2017-10-31 | 深圳市中兴微电子技术有限公司 | A kind of state determines method and terminal |
| CN107306418B (en) * | 2016-04-20 | 2020-11-06 | 深圳市中兴微电子技术有限公司 | State determination method and terminal |
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| WO2015117485A1 (en) | 2015-08-13 |
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