CN101998462A - Method and system for increasing uplink system capacity - Google Patents
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Abstract
The invention discloses a method for increasing uplink system capacity. The method comprises the following steps: when a protocol stack of user equipment (UE) in a voice service detects that data transmitted by an application layer is comfort noise data, not transmitting the comfort noise data to a physical layer; and when a network side does not receive any data packet of the UE in the voice service within a set period, constructing comfort noise data and transmitting the comfort noise data to an opposite terminal communicating with the UE. The invention also discloses a system for increasing uplink system capacity, which is used in a wireless communication system. The system comprises a detection unit and a transmitting unit arranged in the UE, wherein the detection unit is used for detecting whether the data transmitted by the application layer is the comfort noise data and triggering the transmitting unit if yes; and the transmitting unit is used for not transmitting the comfort noisy data to the physical layer. In the invention, the UE in the voice service can not transmit any data packet to the network side in the period of voice deactivation, thereby reducing the occupancy of network resources and increasing the system capacity of the communication system.
Description
Technical Field
The present invention relates to a technique for increasing uplink system capacity, and more particularly, to a method and system for increasing uplink system capacity by reducing comfort noise data on an air interface.
Background
With the global widespread use of wireless communication systems, how to maximize the operation benefit of low networking cost is a problem that operators are not concerned at all times, and therefore, how to increase the capacity of the wireless communication system as much as possible becomes a problem faced by the operators at present.
In the voice service of the current wireless communication system, the voice activation time is usually 67%, and during the non-call period, there will be some current noise, which makes both parties of the call very uncomfortable to hear, therefore, it is a common practice to transmit some comfort noise during the non-call period to improve the feeling of the caller. Because the comfort noise is to be transmitted, the air interface in the wireless communication system must transmit the data of the comfort noise, and thus, the capacity of the wireless communication system is occupied; if there are a large number of users talking in a cell, the capacity loss to the communication system to transmit these comfort noises will be significant. However, if these comfort noises are not transmitted, the service experience of the user in the conversation service will be deteriorated, resulting in customer loss or complaints from the user.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a method and a system for increasing system capacity in uplink direction, which can reduce the comfort noise data sent to the network side over the uplink air interface, thereby increasing the system capacity of the cell in which the UE is located.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method of increasing uplink system capacity, comprising:
when a protocol stack of User Equipment (UE) in voice service detects that data sent by an application layer is comfort noise data, the comfort noise data and corresponding control information data are not sent to a physical layer.
Preferably, the method further comprises:
and when the network side does not receive any data packet of the UE in the voice service within a set time period, constructing comfortable noise data and sending the comfortable noise data to an opposite end communicating with the UE.
Preferably, the Protocol stack is a Radio Link Control (RLC) layer and/or a Packet Data Convergence Protocol (PDCP) layer;
detecting data sent by an application layer by an RLC layer when a voice radio bearer is mapped on a Dedicated Channel (DCH); when a voice radio bearer is mapped on an Enhanced Dedicated Channel (E-DCH), data transmitted by an application layer is detected by the PDCP or RLC.
Preferably, the data link layer of the UE in the voice service detects that the data sent by the application layer is comfort noise data, and specifically:
when voice service is loaded on DCH, detecting that the size combination of data protocol units sent by an application layer is self-adaptive multi-rate AMR (39, 0, 0) or AMR (40, 0), and determining the data as the comfortable noise data;
when the voice service is carried on the E-DCH, the size of an RLC layer data protocol unit sent by the application layer is detected to be 56 bits, or when the size of a PDCP layer data protocol unit sent by the application layer is detected to be 48 bits, the data is determined to be the comfort noise data.
Preferably, when the network side does not receive any data packet of the UE in the voice service within a set time period, the constructing of the comfort noise data specifically includes:
when voice service is loaded on DCH, RLC layer of network side builds data protocol unit size combination as: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice service is carried on the E-DCH, the RLC layer of the network side constructs a data protocol unit with a size of 56 bits, or the PDCP layer of the network side constructs a data protocol unit with a size of 48 bits, or the Iu-up layer of the network side constructs a data protocol unit with a size of: the narrowband AMR is 39 bits and the wideband AMR is 40 bits.
Preferably, the method further comprises:
the RLC layer of the UE and/or a User Plane (Iu-up, Iu-User Plane) layer of the Iu interface and/or a PDCP layer construct comfortable noise data sent to a network side;
when the voice radio bearer is mapped on the DCH, the RLC layer constructs comfortable noise data; the voice radio bearer is mapped on the E-DCH, and comfort noise data is constructed by the Iu-up layer, PDCP layer, or RLC layer.
Preferably, the set period is n × 20ms, n ≧ 1.
A system for improving the system capacity of the uplink direction is applied to a wireless communication system; the system comprises a detection unit and a sending unit which are arranged in the UE; wherein,
the detection unit is used for triggering the sending unit when detecting that the data sent by the application layer is comfortable noise data;
a transmitting unit, configured to not transmit the comfort noise data and the corresponding control information data to a physical layer.
Preferably, the system further comprises a receiving unit and a constructing unit arranged at the network side, wherein,
the receiving unit is used for triggering the construction unit when any data packet of the UE in the voice service is not received in a set time period;
and the construction unit is used for constructing comfortable noise data and sending the comfortable noise data to an opposite end communicating with the UE.
Preferably, the detecting unit is disposed in an RLC layer and/or a PDCP layer of the UE;
when the voice radio bearer is mapped on the DCH, the detection unit of the RLC layer detects the data sent by the application layer; when the voice radio bearer is mapped on the E-DCH, the detecting unit of the PDCP layer or the RLC layer detects the data sent by the application layer.
Preferably, when the voice service is carried on the DCH, the detecting unit detects that the size combination of the data protocol units sent by the application layer is an adaptive multi-rate AMR (39, 0, 0) or an AMR (40, 0), and determines the data as the comfort noise data;
and when the voice service is carried on the E-DCH, determining the data as the comfort noise data when detecting that the size of an RLC layer data protocol unit sent by the application layer is 56 bits or detecting that the size of a PDCP layer data protocol unit sent by the application layer is 48 bits.
Preferably, the constructing unit is disposed in an RLC layer of the network side when the voice service is carried on the DCH, and the size combination of the constructed data protocol units is as follows: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice service is carried on the E-DCH, the RLC layer of the network side is configured to construct a data protocol unit with a size of 56 bits, or the PDCP layer of the network side is configured to construct a data protocol unit with a size of 48 bits, or the Iu-up layer of the network side is configured, and the constructed data protocol unit size is: the narrowband AMR is 39 bits and the wideband AMR is 40 bits.
In the invention, when a protocol stack of the UE in the voice service detects that data sent by an application layer is comfortable noise data, the protocol stack does not send the comfortable noise data to a physical layer, that is, the UE is in a time period when voice is not activated currently, and the UE generates the comfortable noise data and sends the comfortable noise data to the opposite end of the call according to the current technology so as to increase the experience of the user at the opposite end of the call. In the invention, when the current UE is in the period of voice inactivity and does not send comfort noise data, the network side will not receive any data packet sent by the UE. And when the network side does not receive any data packet of the UE in the voice service within a set time period, constructing comfortable noise data and sending the comfortable noise data to an opposite end communicating with the UE. Therefore, the UE in the voice service does not send any data packet to the network side in the period of voice inactivity, thereby reducing the occupation of network resources and improving the system capacity of the communication system.
Drawings
Fig. 1 is a flowchart illustrating a process of a transmitting end and a receiving end when a narrowband AMR service is carried on a DCH according to a first embodiment of the present invention;
fig. 2 is a flowchart of processing of a transmitting end and a receiving end when a wideband AMR service is carried on a DCH according to a second embodiment of the present invention;
fig. 3 is a flowchart of processing performed by an upper sending end and a receiving end when a narrowband AMR service is carried in an E-DCH according to a third embodiment of the present invention;
fig. 4 is a flowchart illustrating a process of a transmitting end and a receiving end when a wideband AMR service is carried on an E-DCH according to a fourth embodiment of the present invention;
fig. 5 is a flowchart of processing of a transmitting end and a receiving end when a wideband AMR service is carried on an E-DCH according to a fifth embodiment of the present invention;
FIG. 6 is a schematic diagram of a component structure of the system for increasing uplink system capacity according to the present invention;
fig. 7 is a schematic diagram of another structure of the system for increasing uplink system capacity according to the present invention.
Detailed Description
The basic idea of the present invention is that when the protocol stack of the UE in the voice service detects that the data sent by the application layer is comfort noise data, the comfort noise data is not sent to the physical layer. And when the network side does not receive any data packet of the UE in the voice service within a set time period, constructing comfortable noise data and sending the comfortable noise data to an opposite end communicating with the UE.
The invention mainly comprises the processing steps of the user equipment at the voice data sending end and the network side, wherein the processing step of the user equipment at the voice data sending end comprises the following steps: the user equipment receives data sent by an application layer; when the protocol stack of the user equipment detects that the sent data protocol unit is comfort noise, the comfort noise data is not sent to the physical layer.
The protocol stack detected by the user equipment can be any one of a PDCP protocol stack and an RLC protocol stack; if the voice radio bearer is mapped on a DCH channel, detection is performed by an RLC layer; if the voice radio bearer is mapped on the E-DCH, it can be detected by any one of the protocol stacks of PDCP and RLC.
The method for the user equipment to detect that the transmitted data protocol unit is comfort noise comprises the following steps: if AMR traffic (voice traffic) is carried on DCH channel, the RLC layer detects the combination of data protocol unit sizes of the sub-flows as: narrow-band AMR (39, 0, 0), wide-band AMR (40, 0); if voice services (AMR and wideband AMR services) are carried on the E-DCH channel, the RLC layer data protocol unit size is detected to be 56 bits, and the PDCP layer data protocol unit size is detected to be 48 bits. That is, when the detected data protocol unit size combination has the above-described characteristics, it means that the current data is comfort noise data.
The processing steps of the receiving end wireless network controller (network side) comprise: when the wireless network controller does not receive any data packet in a set period, the wireless network controller constructs comfortable noise data per se; the radio network controller transmits the comfort noise data to the core network. That is, when the network side does not receive any data packet of the UE for a period of time, it means that the UE is in a period of voice inactivity, so that the network side will automatically generate comfort noise data for the peer to talk to the UE and send the comfort noise data to the peer to talk to the UE in order to ensure the experience feeling of the peer to talk to the UE. Therefore, the UE is prevented from sending comfortable noise data to the network side, so that uplink resources are saved in a certain period of time, signal interference with other UE with services can be avoided, and the capacity of the system is improved. The setting period may be n times 20ms, where n ≧ 1. For example, n is a natural number, or a non-integer number such as 1.5, 2.4, 4.5, etc.
The method for constructing the comfortable noise by the wireless network controller comprises the following steps: if the AMR service is carried on a DCH channel, the size combination of the data protocol units constructed by the RLC layer is as follows: narrow-band AMR (39, 0, 0), wide-band AMR (40, 0); if the narrow band AMR and wide band AMR services are carried on the E-DCH, the size of the data protocol unit constructed by the RLC layer is 56 bits, the size of the data protocol unit constructed by the PDCP layer is 48 bits, and the size of the data protocol unit constructed by the Iu-up layer is as follows: the narrowband AMR service is 39 bits and the wideband AMR service is 40 bits.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings by way of examples.
Example one
Fig. 1 is a flowchart of a processing procedure of a transmitting end and a receiving end when a narrowband AMR service is carried on a DCH according to an embodiment of the present invention, and as shown in fig. 1, for the transmitting end (UE side), the processing procedure specifically includes:
step 110, the user equipment receives data sent by an application layer;
step 120, if the RLC layer protocol stack of the user equipment detects that the combination size of the data protocol unit is (39, 0, 0), the data protocol unit is considered to be comfort noise;
the RLC layer protocol stack of the user equipment discards the data protocol unit, i.e. does not send the comfort noise data to the physical layer of the user equipment, step 130.
For the receiving end (network side), the processing steps specifically include:
step 140, the radio network controller does not receive the data sent by the physical layer within a period of 20 ms;
step 150, the RLC layer protocol stack of the radio network controller constructs a comfortable noise data protocol unit, which is (39, 0, 0); here, the radio network controller may construct the same comfort noise data protocol unit as the user equipment side. Or, according to the channel condition of the voice service bearer of the opposite end communicating with the UE, and according to the principle of constructing the comfort noise data, constructing corresponding comfort noise data and sending the comfort noise data to the opposite end communicating with the UE.
Step 160, the radio network controller sends the comfort noise data protocol unit constructed by the RLC layer protocol stack to the core network. And the core network sends the comfortable noise data protocol unit constructed by the RLC layer protocol stack to the opposite end for the conversation with the UE.
Example two
Fig. 2 is a flowchart of a processing procedure of a transmitting end and a receiving end when a wideband AMR service is carried on a DCH according to a second embodiment of the present invention, and as shown in fig. 2, for the transmitting end (UE side), the processing procedure specifically includes:
step 210, the user equipment receives data sent by an application layer;
step 220, if the RLC layer protocol stack of the user equipment detects that the combination size of the data protocol unit is (40, 0), the data protocol unit is considered to be comfort noise;
in step 230, the RLC layer protocol stack of the user equipment discards the data protocol unit, i.e. does not send the comfort noise data to the physical layer of the user equipment.
For the receiving end (network side), the processing steps specifically include:
step 240, the radio network controller does not receive the data sent by the physical layer within a period of 20 ms;
step 250, the RLC layer protocol stack of the radio network controller constructs a comfortable noise data protocol unit, which is (40, 0); here, the radio network controller may construct the same comfort noise data protocol unit as the user equipment side. Or, according to the channel condition of the voice service bearer of the opposite end communicating with the UE, and according to the principle of constructing the comfort noise data, constructing corresponding comfort noise data and sending the comfort noise data to the opposite end communicating with the UE.
Step 260: and the radio network controller transmits the comfort noise data protocol unit constructed by the RLC layer protocol stack to the core network. And the core network sends the comfortable noise data protocol unit constructed by the RLC layer protocol stack to the opposite end for the conversation with the UE.
EXAMPLE III
Fig. 3 is a flowchart of processing performed by a transmitting end and a receiving end when a narrowband AMR service is carried on an E-DCH according to a third embodiment of the present invention, where as shown in fig. 3, for the transmitting end (UE side), the processing steps specifically include:
step 310, the user equipment receives data sent by an application layer;
step 320, when the PDCP layer protocol stack of the user equipment detects that the combined size of the data protocol unit is 39 bits, the data protocol unit is considered to be comfort noise;
in step 330, the PDCP layer protocol stack of the user equipment discards the data protocol unit, i.e. does not send the comfort noise data to the physical layer of the user equipment.
For the receiving end (network side), the processing steps specifically include:
step 340, the radio network controller does not receive the data sent by the physical layer within a period of 20 ms;
step 350, constructing a comfortable noise data protocol unit with the size of 39 bits by an Iu-up layer protocol stack of the wireless network controller; here, the radio network controller may construct the same comfort noise data protocol unit as the user equipment side. Or, according to the channel condition of the voice service bearer of the opposite end communicating with the UE, and according to the principle of constructing the comfort noise data, constructing corresponding comfort noise data and sending the comfort noise data to the opposite end communicating with the UE.
And step 360, the wireless network controller sends the comfortable noise data protocol unit constructed by the Iu-up layer protocol stack to the core network. And the core network sends the comfortable noise data protocol unit constructed by the RLC layer protocol stack to the opposite end for the conversation with the UE.
Example four
Fig. 4 is a flowchart of a processing procedure of a transmitting end and a receiving end when a wideband AMR service is carried on an E-DCH according to a fourth embodiment of the present invention, where as shown in fig. 4, for the transmitting end (UE side), the processing procedure specifically includes:
step 410, the user equipment receives data sent by an application layer;
step 420, when the PDCP layer protocol stack of the user equipment detects that the combined size of the data protocol unit is 48 bits, the data protocol unit is considered to be comfort noise;
in step 430, the PDCP layer protocol stack of the user equipment discards the data protocol unit, i.e. does not send the comfort noise data to the physical layer of the user equipment.
For the receiving end (network side), the processing steps specifically include:
step 440, the radio network controller does not receive the data sent by the physical layer within a period of 40 ms;
step 450, the protocol stack of the PDCP layer of the radio network controller constructs a protocol unit with the size of comfortable noise data as 40 bits;
step 460, the radio network controller sends the comfort noise data protocol unit constructed by the PDCP layer protocol stack to the Iu-up protocol stack and to the core network. And the core network sends the comfortable noise data protocol unit constructed by the RLC layer protocol stack to the opposite end for the conversation with the UE.
EXAMPLE five
Fig. 5 is a flowchart of a processing procedure of a transmitting end and a receiving end when a wideband AMR service is carried on an E-DCH according to a fifth embodiment of the present invention, where as shown in fig. 5, for the transmitting end (UE side), the processing procedure specifically includes:
step 510, the user equipment receives data sent by a core network;
step 520, if the RLC layer protocol stack of the user equipment detects that the combined size of the data protocol unit is 56 bits, the data protocol unit is considered to be comfort noise;
in step 530, the RLC layer protocol stack of the user equipment discards the data protocol unit, i.e. does not send the comfort noise data to the physical layer of the user equipment.
For the receiving end (network side), the processing steps specifically include:
step 540, the radio network controller does not receive the data sent by the physical layer within a period of 20 ms;
step 550, the RLC layer protocol stack of the radio network controller constructs a comfortable noise data protocol unit size of 40 bits;
in step 560, the radio network controller sends the comfort noise data protocol unit constructed by the RLC layer protocol stack to the PDCP and Iu-up protocol stacks, and to the core network. And the core network sends the comfortable noise data protocol unit constructed by the RLC layer protocol stack to the opposite end for the conversation with the UE.
The system for improving the system capacity in the uplink direction is applied to a wireless communication system; fig. 6 is a schematic structural diagram of a system for increasing uplink system capacity according to the present invention, and as shown in fig. 6, the system for increasing uplink system capacity according to the present invention includes a detecting unit 60 and a transmitting unit 61, which are disposed in a UE; wherein,
the detection unit 60 is used for triggering the sending unit 61 when detecting that the data sent by the application layer is comfort noise data;
a transmitting unit 61, configured to not transmit the comfort noise data and the corresponding control information data to a physical layer.
Fig. 7 is a schematic diagram of another structure of the system for increasing uplink system capacity according to the present invention, as shown in fig. 7, based on the system shown in fig. 6, the system for increasing uplink system capacity according to the present invention further includes a receiving unit 62 and a constructing unit 63, where,
a receiving unit 62, configured to trigger the constructing unit when no data packet of the UE in the voice service is received within a set time period;
and the constructing unit 63 is configured to construct comfort noise data and send the comfort noise data to an opposite end in communication with the UE.
The detecting unit 60 is disposed in the RLC layer and/or PDCP layer of the UE; when the voice radio bearer is mapped on DCH, the detecting unit 60 of the RLC layer detects data sent by application layer; when a voice radio bearer is mapped on the E-DCH, the detection unit 60 of the PDCP layer or the RLC layer detects data transmitted by an application layer.
When the voice service is carried on the DCH, the detecting unit 60 detects that the size combination of the data protocol units sent by the application layer is adaptive multi-rate AMR (39, 0, 0) or AMR (40, 0), and determines the data as the comfort noise data;
when the voice service is carried on the E-DCH, the detecting unit 60 detects that the size of the RLC layer data protocol unit sent by the application layer is 56 bits, or detects that the size of the PDCP layer data protocol unit sent by the application layer is 48 bits, and determines the data to be the comfort noise data.
When the voice service is carried on the DCH, the above-mentioned construction unit 63 is disposed on the RLC layer of the network side, and the size combination of the construction data protocol units is: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice service is carried on the E-DCH, the detecting unit 60 is disposed in the RLC layer of the network side, and the size of the constructed data protocol unit is 56 bits, or the PDCP layer of the network side, and the size of the constructed data protocol unit is 48 bits, or the Iu-up layer of the network side, and the size of the constructed data protocol unit is: the narrowband AMR is 39 bits and the wideband AMR is 40 bits.
The setting period may be n times 20ms, where n ≧ 1. For example, n is a natural number, or a non-integer number such as 1.5, 2.4, 4.5, etc.
It should be understood by those skilled in the art that the system for increasing uplink system capacity shown in fig. 6 and 7 of the present invention is designed to implement the method for increasing uplink system capacity of the present invention, and the implementation functions of the processing units can be understood by referring to the related description of the method. The functions of the processing units in the figures may be implemented by a program running on a processor, or may be implemented by specific logic circuits.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (11)
1. A method for increasing uplink system capacity, the method comprising:
when a protocol stack of User Equipment (UE) in voice service detects that data sent by an application layer is comfort noise data, the comfort noise data and corresponding control information data are not sent to a physical layer.
2. The method of claim 1, further comprising:
and when the network side does not receive any data packet of the UE in the voice service within a set time period, constructing comfortable noise data and sending the comfortable noise data to an opposite end communicating with the UE.
3. The method of claim 1, wherein the protocol stack is a Radio Link Control (RLC) layer and/or a Packet Data Convergence Protocol (PDCP) layer;
detecting, by the RLC layer, data sent by an application layer when a voice radio bearer is mapped on a Dedicated Channel (DCH); data sent by the application layer is detected by the PDCP or RLC when a voice radio bearer is mapped on an enhanced dedicated channel (E-DCH).
4. The method according to claim 3, wherein the data link layer of the UE in the voice service detects that the data sent by the application layer is comfort noise data, and specifically comprises:
when voice service is loaded on DCH, detecting that the size combination of data protocol units sent by an application layer is self-adaptive multi-rate AMR (39, 0, 0) or AMR (40, 0), and determining the data as the comfortable noise data;
when the voice service is carried on the E-DCH, the size of an RLC layer data protocol unit sent by the application layer is detected to be 56 bits, or when the size of a PDCP layer data protocol unit sent by the application layer is detected to be 48 bits, the data is determined to be the comfort noise data.
5. The method according to claim 2, wherein the constructing the comfort noise data when the network side does not receive any data packet of the UE in the voice service within the set time period is specifically:
when voice service is loaded on DCH, RLC layer of network side builds data protocol unit size combination as: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice service is carried on the E-DCH channel, the RLC layer of the network side constructs a data protocol unit with a size of 56 bits, or the PDCP layer of the network side constructs a data protocol unit with a size of 48 bits, or the Iu-up layer of the network side constructs a data protocol unit with a size of: the narrowband AMR is 39 bits and the wideband AMR is 40 bits.
6. The method of claim 5, wherein the set period of time is n x 20ms, n ≧ 1.
7. A system for improving the system capacity of the uplink direction is applied to a wireless communication system; the system is characterized by comprising a detection unit and a sending unit which are arranged in the UE; wherein,
the detection unit is used for triggering the sending unit when detecting that the data sent by the application layer is comfortable noise data;
a transmitting unit, configured to not transmit the comfort noise data and the corresponding control information data to a physical layer.
8. The system according to claim 7, further comprising a receiving unit and a building unit provided on the network side, wherein,
the receiving unit is used for triggering the construction unit when any data packet of the UE in the voice service is not received in a set time period;
and the construction unit is used for constructing comfortable noise data and sending the comfortable noise data to an opposite end communicating with the UE.
9. The system according to claim 7, wherein the detecting unit is provided in an RLC layer and/or a PDCP layer of the UE;
detecting data sent by an application layer by the detecting unit of the RLC layer when a voice radio bearer is mapped on a Dedicated Channel (DCH); detecting data transmitted by an application layer by the detecting unit of the PDCP layer or the RLC layer when a voice radio bearer is mapped on an enhanced dedicated channel (E-DCH).
10. The system of claim 9, wherein the detecting unit detects that the data protocol unit size combination sent by the application layer is adaptive multi-rate AMR (39, 0, 0) or AMR (40, 0) when the voice service is carried on DCH, and determines as the comfort noise data;
and when the voice service is carried on the E-DCH, determining the data as the comfort noise data when detecting that the size of an RLC layer data protocol unit sent by the application layer is 56 bits or detecting that the size of a PDCP layer data protocol unit sent by the application layer is 48 bits.
11. The system according to claim 8, wherein said construction unit, when voice service is carried on DCH, is located in RLC layer of network side, and the size combination of construction data protocol unit is: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice service is carried on an E-DCH channel, a RLC layer arranged on a network side constructs a data protocol unit with the size of 56 bits, or a PDCP layer arranged on the network side constructs a data protocol unit with the size of 48 bits, or an Iu-up layer arranged on the network side, and the constructed data protocol unit size is as follows: the narrowband AMR is 39 bits and the wideband AMR is 40 bits.
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| CN103327511A (en) * | 2012-03-22 | 2013-09-25 | 电信科学技术研究院 | Method and device for determining service capacity |
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| CN103327511B (en) * | 2012-03-22 | 2016-03-23 | 电信科学技术研究院 | A kind of method and apparatus determining volume of business |
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