CN101312551B - Data transmission method, wireless network controller, base station and subscriber terminal - Google Patents
Data transmission method, wireless network controller, base station and subscriber terminal Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000000969 carrier Substances 0.000 claims abstract description 151
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Abstract
The invention discloses a data transmission method, comprising steps that: A, RNC distributes available E-PUCH multi carrier for a UE according to the ascending multi carrier ability of the UE, and transmits the distributed available E-PUCH multi carrier messages to the UE and Node B; B, Node B receives the distribution request of the UE, selects a plurality of E-PUCH carriers from the available E-PUCH multi carrier and sends the selected E-PUCH carrier messages to the UE; C, UE packets transmitted data into the selected E-PUCH carriers to be sent to the Node B. The invention further discloses a device thereof, comprising RNC, Node B and UE. Compared with the prior single carrier transmission technique, the method can improve the peak data speed and throughput. The method and system are compatible with the HSUPA technique of the prior 3GPP, which can be standardized into the 3GPP protocol.
Description
Technical Field
The present invention relates to the technical field of time division duplex-synchronous code division multiple access (TD-SCDMA) High Speed Uplink Packet Access (HSUPA), and in particular, to a method for transmitting uplink HSUPA data, and a radio network controller, a base station and a user terminal for implementing the method.
Background
In the third generation partnership project (3GPP) protocol, TD-SCDMA single carrier HSUPA technology has been standardized to provide peak rates and throughput for high speed uplink. The communication flow of the User Equipment (UE) transmitting HSUPA service data in the connected mode can be summarized as follows:
step 1, when the UE has the buffer data, the UE sends a scheduling request (scheduling information) to a base station (Node B) to request an enhanced physical uplink channel (E-PUCH) resource.
And step 2, after receiving the scheduling request of the UE, the Node B allocates a single-carrier E-PUCH for the UE and sends the allocated single-carrier E-PUCH to the UE through a downlink enhanced absolute grant channel (E-AGCH).
And step 3, the UE sends uplink data to the Node B on the distributed single carrier E-PUCH.
And 4, the Node B returns an acknowledgement/negative acknowledgement (ACK/NACK) of a hybrid automatic repeat request (HARQ) to the UE to indicate whether the data transmission is successful or not.
In the 3GPP protocol, the system only provides a single carrier E-PUCH to send uplink data to the UE, and since the data volume transmitted by the single carrier in a unit time is small, the prior art limits the peak data rate in the data transmission process and also limits the throughput of data transmission.
Disclosure of Invention
In view of this, the present invention provides a data transmission method for improving a peak data rate and throughput of uplink data. The data transmission method according to the present invention comprises the steps of:
A. a Radio Network Controller (RNC) allocates available E-PUCH multi-carriers for the UE according to the uplink multi-carrier capability of the UE and respectively transmits the allocated available E-PUCH multi-carrier information to the UE and a Node B;
wherein, the RNC distributes available E-PUCH multi-carrier for the UE according to the uplink multi-carrier capability of the UE comprises:
under the condition that the uplink multi-carrier capability of the UE supports the simultaneous transmission of a plurality of E-PUCH carriers, the RNC distributes a plurality of E-PUCH carriers which are simultaneously transmitted or a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE; and/or the presence of a gas in the gas,
under the condition that the uplink multi-carrier capability of the UE does not support the simultaneous transmission of a plurality of E-PUCH carriers but supports the transmission on non-main carriers, the RNC distributes a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE;
after receiving a scheduling request of the UE, the node B selects a plurality of E-PUCH carriers from the available E-PUCH multiple carriers and sends the information of the selected plurality of E-PUCH carriers to the UE;
and C, the UE loads the data to be transmitted onto the selected E-PUCH carriers and transmits the data to the Node B.
Step A further comprises: and the UE reports the uplink multi-carrier capability of the UE to the RNC.
Preferably, the UE reports the uplink multi-carrier capability of the UE to the RNC through a Radio Resource Control (RRC) connection request message or a UE capability report message.
Step a, after the RNC allocates the available E-PUCH multi-carriers, further comprising: RNC configures one-to-one mapping relation between enhanced absolute grant channel (E-AGCH) and the available E-PUCH carrier wave, and respectively transmits the mapping relation to UE and Node B;
the step B of sending the selected multiple E-PUCH carrier information to the UE is: and the Node B sends the information of the selected E-PUCH carriers to the UE through the E-AGCHs which respectively have one-to-one mapping relation with the selected E-PUCH carriers.
After the RNC configures a one-to-one mapping relationship between the E-AGCH and the available E-PUCH carriers, the method further includes: the RNC configures the E-AGCH on an E-PUCH carrier which has a one-to-one mapping relation with the E-AGCH, or configures all the E-AGCHs on the same E-PUCH carrier and respectively transmits the E-AGCHs to the UE and the Node B;
the step B of sending the selected multiple E-PUCH carrier information to the UE is: and the Node B sends the information of the selected plurality of E-PUCH carriers through each E-AGCH which is respectively arranged on the E-PUCH carriers configured by the RNC and has one-to-one mapping relation with the selected plurality of E-PUCH carriers.
Step a, after the RNC allocates the available E-PUCH multi-carriers, further comprising: RNC configures one-to-one mapping relation between enhanced hybrid automatic repeat indicator channel (E-HICH) and the available E-PUCH carrier, and respectively transmits the mapping relation to UE and Node B;
the step C is further followed by: and the Node B returns a hybrid automatic repeat request response message to the UE through each E-HICH which respectively has one-to-one mapping relation with the E-PUCHs.
After the RNC configures a one-to-one mapping relationship between the E-HICH and the available E-PUCH carriers, the method further includes: the RNC configures the E-HICH on an E-PUCH carrier which has a one-to-one mapping relation with the E-HICH and respectively transmits the E-HICH to the UE and the Node B;
after the step C, further comprising: and the Node B returns a hybrid automatic repeat request response message to the UE through each E-HICH which is respectively arranged on the E-PUCH carriers configured by the RNC and has one-to-one mapping relation with the selected E-PUCH carriers.
The UE shunts the data to the plurality of E-PUCH carriers over a Media Access Control (MAC) layer or a physical layer.
The step C further comprises the following steps: and the Node B controls the migration and/or load balance of the data among the plurality of E-PUCH carriers according to the load and/or quality of each carrier.
A data transmission system, the system comprising: a radio network controller RNC, a base station Node B and a user terminal UE;
the RNC is used for distributing available enhanced physical uplink channel E-PUCH multi-carriers for the UE according to the uplink multi-carrier capability of the UE and respectively transmitting the distributed available E-PUCH multi-carrier information to the UE and the Node B; wherein,
the allocating available E-PUCH multi-carriers to the UE according to the uplink multi-carrier capability of the UE comprises:
under the condition that the uplink multi-carrier capability of the UE supports the simultaneous transmission of a plurality of E-PUCH carriers, the RNC distributes a plurality of E-PUCH carriers which are simultaneously transmitted or a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE; and/or the presence of a gas in the gas,
under the condition that the uplink multi-carrier capability of the UE does not support the simultaneous transmission of a plurality of E-PUCH carriers but supports the transmission on non-main carriers, the RNC distributes a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE;
the Node B is used for receiving available E-PUCH multi-carrier information configured by the RNC, selecting a plurality of E-PUCH carriers from the available E-PUCH multi-carriers after receiving a scheduling request of the UE, and sending the selected information of the plurality of E-PUCH carriers to the UE;
the UE is used for receiving available E-PUCH multi-carrier information configured by the RNC, receiving a plurality of E-PUCH carrier information selected by the Node B, loading data to be sent to the selected E-PUCH carriers and sending the data to the Node B; wherein,
when the uplink multi-carrier capability of the UE supports simultaneous transmission of multiple E-PUCH carriers, the available E-PUCH multi-carrier information configured by the RNC includes: the RNC distributes a plurality of E-PUCH carriers which are sent simultaneously for the UE or a plurality of E-PUCH carriers which are sent in different time intervals in a time-sharing manner; and/or;
when the uplink multi-carrier capability of the UE does not support simultaneous transmission of multiple E-PUCH carriers but supports transmission on a non-primary carrier, the available E-PUCH multi-carrier information configured by the RNC includes: and the RNC allocates a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE.
The RNC is further used for configuring a one-to-one mapping relation between the enhanced absolute grant channel E-AGCH and the available E-PUCH carrier waves and respectively transmitting the mapping relation to the UE and the Node B.
The RNC is further used for configuring the E-AGCH on an E-PUCH carrier which has a one-to-one mapping relation with the E-AGCH, or configuring all the E-AGCHs on the same E-PUCH carrier and respectively transmitting the E-AGCHs to the UE and the Node B.
The RNC is further used for configuring a one-to-one mapping relation between the enhanced hybrid automatic repeat indicator channel E-HICH and the available E-PUCH carrier waves and respectively transmitting the mapping relation to the UE and the Node B.
And the RNC is further used for configuring the E-HICH on an E-PUCH carrier which has a one-to-one mapping relation with the E-HICH and respectively transmitting the E-HICH to the UE and the Node B.
The Node B is further configured to send the selected multiple E-PUCH carrier information to the UE through each E-AGCH having a one-to-one mapping relationship with the selected multiple E-PUCH carriers.
And the Node B is further used for sending the information of the selected plurality of E-PUCH carriers through each E-AGCH which is arranged on the E-PUCH carriers configured by the RNC and has one-to-one mapping relation with the selected plurality of E-PUCH carriers.
The Node B is further configured to return a hybrid automatic repeat request response message to the UE through each E-HICH having a one-to-one mapping relationship with the plurality of E-PUCHs.
And the Node B is further used for returning a hybrid automatic repeat request response message to the UE through each E-HICH which is arranged on the E-PUCH carrier wave configured by the RNC and has one-to-one mapping relation with the selected E-PUCH carrier waves.
The Node B is further configured to control migration and/or load balancing of the data among the plurality of E-PUCH carriers according to a load and/or quality of each carrier.
And the UE is further used for reporting the uplink multi-carrier capability of the UE to the RNC.
And the UE reports the uplink multi-carrier capability of the UE to the RNC through a Radio Resource Control (RRC) connection request message or a UE capability reporting message.
It can be seen from the above scheme that, since the present invention uses a plurality of E-PUCH carriers to transmit uplink data, peak data rate and throughput are exponentially improved compared to the existing single carrier transmission technique. Moreover, the method and the system provided by the invention are completely compatible with the HSUPA technology in the current 3GPP, and can be standardized to the 3GPP protocol. Further, with the increase of the peak data rate of the uplink HSUPA data, the experience of the high-speed uplink service user is also improved. In addition, the throughput of the uplink data is improved, and the income of the operator is in direct proportion to the throughput, so the income of the operator is also improved through the implementation of the invention.
Drawings
The foregoing and other features and advantages of the invention will become more apparent to those skilled in the art to which the invention relates by describing in detail exemplary embodiments thereof with reference to the attached drawings, wherein:
fig. 1 is a flow chart of a data transmission method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data transmission system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
Fig. 1 is a flowchart illustrating a data transmission method according to an embodiment of the present invention. Referring to fig. 1, the process includes the following steps:
step 101 is RRC Radio Bearer Setup (RRC Radio Bearer Setup)/reconfiguration procedure (reconfiguration procedure) between the UE and the RNC.
Specifically, in this step, the RNC configures according to the uplink multi-carrier capability of the UE. The uplink multi-carrier capability of the UE may be reported to the RNC through an RRC connection request message during RRC radio bearer establishment, or may be reported to the RNC through a UE capability report message during radio link reconfiguration, or may be reported to the RNC through other messages, which is not limited in the present invention.
The uplink multi-carrier capability of the UE herein refers to: whether the UE supports the simultaneous transmission of a plurality of carriers; if simultaneous transmission of multiple carriers is not supported, then transmission on a non-primary carrier (i.e., a non-Broadcast Channel (BCH) carrier) is supported. In other words, the uplink multi-carrier capability of the UE includes the following situations: 1) the UE supports the simultaneous transmission of a plurality of E-PUCH carriers; 2) the UE does not support the simultaneous transmission of a plurality of E-PUCH carriers but supports the transmission on non-main carriers; 3) the UE does not support simultaneous transmission of multiple E-PUCH carriers nor on non-primary carriers.
And the RNC allocates the available E-PUCH multi-carrier for the UE according to the uplink multi-carrier capability of the UE. For example: when the UE supports to send a plurality of carriers simultaneously, the RNC allocates a plurality of E-PUCH carriers which are sent simultaneously to the UE as available E-PUCH multi-carriers, or the RNC can also allocate a plurality of E-PUCH carriers which are sent at different time intervals to the UE as available E-PUCH multi-carriers; when the UE does not support simultaneous transmission of a plurality of E-PUCH carriers but supports transmission on non-primary carriers, the RNC allocates a plurality of E-PUCH carriers which are transmitted in time at different time intervals to the UE as available E-PUCH multi-carriers. Further, when the UE does not support simultaneous transmission of multiple E-PUCH carriers nor transmission on non-primary carriers, the RNC allocates a single carrier E-PUCH to the UE, which is the same as the existing 3GPP protocol and is not described herein again.
And the RNC also needs to configure a plurality of E-HICHs and a plurality of E-AGCHs, the number of the E-HICHs and the E-AGCHs in one cell is the same as that of the E-PUCH carriers, and each E-HICH and E-AGCH is equivalent to the E-HICH and the E-AGCH under the single-carrier E-PUCH transmission scene.
The RNC pre-configures a one-to-one mapping relation between the E-PUCH carrier and the E-AGCH. Further, the RNC configures the E-AGCH to an E-PUCH carrier which has a one-to-one mapping relation with the E-AGCH, and can also configure to an E-PUCH carrier which does not have a one-to-one mapping relation with the E-AGCH, that is to say, the E-AGCH can be configured to any E-PUCH carrier.
Two preferred configurations are exemplified below. In one configuration scheme, the RNC configures the E-AGCH on the E-PUCH carrier which has a one-to-one mapping relation with the E-AGCH, and the configuration is suitable for the scene that the E-PUCH used by the UE is changed frequently. In another configuration scheme, the RNC configures all the E-AGCHs to the same E-PUCH carrier, which can be a BCH carrier or a non-BCH carrier, and the configuration is suitable for a scene that the E-PUCH carrier used by the UE is not changed frequently.
The RNC also pre-configures a one-to-one mapping relationship between E-PUCH carriers and E-HICHs. Further, the RNC may configure the E-HICH on an E-pucch carrier having a one-to-one mapping relationship with the E-HICH, or on an E-pucch carrier having no one-to-one mapping relationship with the E-HICH, in other words, may configure the E-HICH on an arbitrary E-pucch carrier. As a preferable configuration scheme, the RNC configures the E-HICH on the E-PUCH carrier which has a one-to-one mapping relation with the E-HICH, thereby ensuring the maximum compatibility of the existing single carrier HSUPA technology, being convenient for mapping the signature sequence of the E-HICH, averagely dispersing the power among the carriers and saving the signaling overhead.
Then, the RNC notifies the UE of the configuration result, and also notifies the configuration result to the Node B of the cell in which the UE is located through a base station application protocol (NBAP) radio link or physical shared channel configuration process. The configuration includes available E-pucch multiple carriers, a one-to-one mapping relationship between E-HICH and E-pucch carriers, a one-to-one mapping relationship between E-AGCH and E-pucch carriers, and the like, and may further include E-pucch carriers to which E-AGCH is configured and E-pucch carriers to which E-HICH is configured.
Step 102 to step 103, the sending buffer of the UE has the cached data, and the UE sends the scheduling request/scheduling information to the Node B to request the E-PUCH resource.
In order to be compatible with the existing 3GPP protocol, the scheduling request/scheduling information of the UE in step 103 is sent to the Node B through the medium access control/layer 1(MAC/11), although other layers may be used, which is not limited in the present invention.
In step 104 to step 105, the Node B selects part or all of the E-PUCH carriers from the available E-PUCH multi-carriers as E-PUCH multi-carrier resources allocated to the UE according to the configuration issued by the RNC, and then sends the E-PUCH resources to the UE through each E-AGCH which respectively has a one-to-one mapping relation with the selected E-PUCH carriers.
It should be noted that the E-PUCH multi-carrier resource referred to herein may be a plurality of E-PUCH carriers transmitted simultaneously or a plurality of E-PUCH carriers transmitted in time division at different time intervals.
For compatibility with the existing 3GPP protocol, the E-AGCH of the Node B is sent to the Node B through layer 1(L1) in step 105, although other layers may be used, and the invention is not limited thereto.
Step 106 to step 107, after receiving the E-PUCH carrier resources sent by the Node B, the UE loads the HSUPA data in the sending buffer onto a plurality of E-PUCH carriers selected by the Node B, and these E-PUCH carriers have a one-to-one mapping relationship with the E-AGCH in step 105.
For compatibility with existing 3GPP protocols, the UE preferably shunts data to the plurality of E-PUCH carriers at the MAC layer, but the present invention is not limited thereto, and for example, data may also be shunted to the plurality of E-PUCH carriers at the physical layer.
The UE then transmits HSUPA data to the Node B over the multiple E-PUCH carriers.
Here, the UE may use different transmission buffers for all E-PUCH carriers, but preferably uses one shared transmission buffer, which facilitates the UE to manage the data.
In the process of receiving the E-AGCH by the UE, the UE does not need to monitor all the E-AGCHs all the time, because the RNC has notified the configured E-AGCH to the UE in step 101, so the UE only needs to monitor the configured E-AGCH and obtain the available E-PUCH carrier.
In steps 108 to 109, the Node B returns HARQ ACK/NACK to the UE according to the configuration information issued by the RNC and through each E-HICH having a one-to-one mapping relationship with the plurality of E-PUCH carriers, indicating whether the data transmission in step 107 is successful, where ACK indicates transmission success and NACK indicates transmission failure.
In the above flow, Node B may further perform power control between E-PUCH and E-AGCH, and between E-PUCH and E-HICH in each mapping relationship, and the power control may adopt the same power control rule as that of existing 3GPP single carrier HSUPA.
In addition, the scheduler in the Node B can also control the migration and/or load balance of the uplink data among a plurality of E-PUCH carriers according to the load and the quality of each carrier.
Fig. 2 is a schematic structural diagram of a system according to an embodiment of the present invention.
Referring to fig. 2, a system according to an embodiment of the present invention includes a UE, an RNC, and a Node B.
The RNC is used for distributing available E-PUCH multi-carriers, one-to-one mapping relation between E-HICH and E-PUCH and one-to-one mapping relation between E-AGCH and E-PUCH for the UE according to the uplink multi-carrier capability of the UE, transmitting the mapping relation to the UE through the RRC radio bearer establishment/reconfiguration process and transmitting the mapping relation to the Node B through the NBAP.
And the Node B receives the available E-PUCH multi-carrier information configured by the RNC, selects a plurality of E-PUCH carriers from the available E-PUCH multi-carriers after receiving a scheduling request of the UE, and sends the resources distributed on the selected plurality of E-PUCH carriers to the UE through each E-AGCH which has one-to-one mapping relation with the selected plurality of E-PUCHs.
And the UE receives the available E-PUCH multi-carrier information configured by the RNC and the information of the plurality of E-PUCH carriers selected by the Node B, loads the data to be sent to the plurality of E-PUCH carriers selected by the Node B and sends the data to the Node B.
The RNC allocates the available E-PUCH multi-carrier for the UE according to the uplink multi-carrier capability of the UE comprises the following steps: under the condition that the uplink multi-carrier capability of the UE supports the simultaneous transmission of a plurality of E-PUCH carriers, the RNC distributes a plurality of E-PUCH carriers which are simultaneously transmitted or a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE; and/or, under the condition that the uplink multi-carrier capability of the UE does not support the simultaneous transmission of a plurality of E-PUCH carriers but supports the transmission on non-primary carriers, the RNC allocates a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE. Further, under the condition that the uplink multi-carrier capability of the UE does not support the simultaneous transmission of a plurality of E-PUCH carriers or the transmission on non-main carriers, the RNC allocates a single-carrier E-PUCH for the UE.
In the system shown in fig. 2, the UE is further configured to report the uplink multi-carrier capability of the UE to the RNC through an RRC connection request message or a UE capability report message.
In addition, the RNC is further used for configuring the E-AGCH on the E-PUCH carrier which has a one-to-one mapping relation with the E-AGCH, or configuring all the E-AGCHs on the same E-PUCH carrier. And in the subsequent process, the Node B sends the selected E-PUCH carriers to the UE through the E-AGCHs which respectively have one-to-one mapping relation with the selected E-PUCH carriers.
Similarly, the RNC is further used for configuring the E-HICH on the E-PUCH carrier which has one-to-one mapping relation with the E-HICH.
In the system shown in fig. 2, the Node B further returns a harq response message to the UE through each E-HICH having a one-to-one mapping relationship with the plurality of E-PUCH carriers, respectively. In another aspect, the Node B is further configured to migrate and/or load balance between the plurality of E-PUCH carriers based on the load and/or quality control data of each carrier.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (16)
1. A method of data transmission, the method comprising the steps of:
A. a radio network controller RNC distributes available enhanced physical uplink channel E-PUCH multi-carriers for user equipment UE according to uplink multi-carrier capability of the UE, and respectively transmits the distributed available E-PUCH multi-carrier information to the UE and a base station Node B;
wherein, the RNC distributes available E-PUCH multi-carrier for the UE according to the uplink multi-carrier capability of the UE comprises:
under the condition that the uplink multi-carrier capability of the UE supports the simultaneous transmission of a plurality of E-PUCH carriers, the RNC distributes a plurality of E-PUCH carriers which are simultaneously transmitted or a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE; and/or the presence of a gas in the gas,
under the condition that the uplink multi-carrier capability of the UE does not support the simultaneous transmission of a plurality of E-PUCH carriers but supports the transmission on non-main carriers, the RNC distributes a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE;
after receiving a scheduling request of the UE, the node B selects a plurality of E-PUCH carriers from the available E-PUCH multiple carriers and sends the information of the selected plurality of E-PUCH carriers to the UE;
and C, the UE loads the data to be transmitted onto the selected E-PUCH carriers and transmits the data to the Node B.
2. The method of claim 1, wherein step a is preceded by the further step of: and the UE reports the uplink multi-carrier capability of the UE to the RNC.
3. The method of claim 1, wherein step a, after the RNC allocates the available E-PUCH multi-carriers, further comprises: RNC configures one-to-one mapping relation between the enhanced absolute grant channel E-AGCH and the available E-PUCH carrier waves, and respectively transmits the mapping relation to UE and Node B;
the step B of sending the selected multiple E-PUCH carrier information to the UE is: and the Node B sends the information of the selected E-PUCH carriers to the UE through the E-AGCHs which have one-to-one mapping relation with the selected E-PUCH carriers respectively.
4. The method of claim 3, wherein after the RNC configures a one-to-one mapping relationship between E-AGCH and the available E-PUCH carriers, the method further comprises: the RNC configures the E-AGCH on an E-PUCH carrier which has a one-to-one mapping relation with the E-AGCH, or configures all the E-AGCHs on the same E-PUCH carrier and respectively transmits the E-AGCHs to the UE and the Node B;
the step B of sending the selected multiple E-PUCH carrier information to the UE is: and the Node B sends the information of the selected multiple E-PUCH carriers through the E-AGCHs which are configured on the E-PUCH carriers by the RNC and have one-to-one mapping relation with the selected multiple E-PUCH carriers.
5. The method according to claim 1 or 3, wherein step A, after the RNC allocates the available E-PUCH multi-carriers, further comprises: RNC configures one-to-one mapping relation between enhanced hybrid automatic repeat indicator channel E-HICH and the available E-PUCH carrier, and transmits the mapping relation to UE and Node B respectively;
the step C is further followed by: and the Node B returns a hybrid automatic repeat request response message to the UE through each E-HICH which has one-to-one mapping relation with the E-PUCHs.
6. The method of claim 5, wherein after the RNC configures a one-to-one mapping relationship between the E-HICH and the available E-PUCH carriers, the method further comprises: the RNC configures the E-HICH on an E-PUCH carrier which has a one-to-one mapping relation with the E-HICH and respectively transmits the E-HICH to the UE and the Node B;
after the step C, further comprising: and the Node B returns a hybrid automatic repeat request response message to the UE through each E-HICH which is on the E-PUCH carrier distributed by the RNC and has one-to-one mapping relation with the selected E-PUCH carriers.
7. A data transmission system, the system comprising: a radio network controller RNC, a base station NodeB and a user terminal UE;
the RNC is used for distributing available enhanced physical uplink channel E-PUCH multi-carriers for the UE according to the uplink multi-carrier capability of the UE and respectively transmitting the distributed available E-PUCH multi-carrier information to the UE and the Node B;
wherein the allocating available E-PUCH multi-carriers to the UE according to the uplink multi-carrier capability of the UE comprises:
under the condition that the uplink multi-carrier capability of the UE supports the simultaneous transmission of a plurality of E-PUCH carriers, the RNC distributes a plurality of E-PUCH carriers which are simultaneously transmitted or a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE; and/or the presence of a gas in the gas,
under the condition that the uplink multi-carrier capability of the UE does not support the simultaneous transmission of a plurality of E-PUCH carriers but supports the transmission on non-main carriers, the RNC distributes a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE;
the Node B is used for receiving available E-PUCH multi-carrier information configured by the RNC, selecting a plurality of E-PUCH carriers from the available E-PUCH multi-carriers after receiving a scheduling request of the UE, and sending the selected information of the plurality of E-PUCH carriers to the UE;
the UE is used for receiving available E-PUCH multi-carrier information configured by the RNC, receiving a plurality of E-PUCH carrier information selected by the Node B, loading data to be sent to the selected E-PUCH carriers and sending the data to the Node B; wherein,
when the uplink multi-carrier capability of the UE supports simultaneous transmission of multiple E-PUCH carriers, the available E-PUCH multi-carrier information configured by the RNC includes: the RNC distributes a plurality of E-PUCH carriers which are sent simultaneously for the UE or a plurality of E-PUCH carriers which are sent in different time intervals in a time-sharing manner; and/or;
when the uplink multi-carrier capability of the UE does not support simultaneous transmission of multiple E-PUCH carriers but supports transmission on a non-primary carrier, the available E-PUCH multi-carrier information configured by the RNC includes: and the RNC allocates a plurality of E-PUCH carriers which are transmitted in different time intervals for the UE.
8. The system of claim 7 wherein the RNC is further configured to configure a one-to-one mapping between the enhanced absolute grant channel E-AGCH and the available E-PUCH carriers and communicate to the UE and Node B, respectively.
9. The system of claim 8, wherein the RNC is further configured to configure the E-AGCH on an E-PUCH carrier having a one-to-one mapping relationship with the E-AGCH, or configure all E-AGCHs on the same E-PUCH carrier and transmit to the UE and the Node B, respectively.
10. The system according to claim 7 or 8, wherein the RNC is further configured to configure a one-to-one mapping relationship between the E-HICH and the available E-PUCH carriers and to deliver the E-HICH and the Node B with the E-HICH, respectively.
11. The system of claim 10 wherein the RNC is further configured to configure the E-HICH on an E-PUCH carrier having a one-to-one mapping relationship with the E-HICH and to transmit to the UE and the Node B, respectively.
12. The system of claim 7 wherein the Node B is further configured to send the selected multiple E-PUCH carrier information to the UE via each E-AGCH that has a one-to-one mapping relationship with the selected multiple E-PUCH carriers, respectively.
13. The system of claim 12 wherein the Node B is further configured to send the selected multiple E-PUCH carrier information via each E-AGCH on the E-PUCH carriers configured by the RNC that has a one-to-one mapping relationship with the selected multiple E-PUCH carriers.
14. The system according to claim 7 or 12, wherein said Node B is further configured to return a hybrid automatic repeat request acknowledgement message to the UE through each E-HICH having a one-to-one mapping relationship with said plurality of E-PUCHs, respectively.
15. The system of claim 14 wherein the Node B is further configured to return the harq response message to the UE through each E-HICH on the E-PUCH carriers configured by the RNC, which respectively have a one-to-one mapping relationship with the selected multiple E-PUCH carriers.
16. The system of claim 7, wherein the UE is further configured to report the uplink multi-carrier capability of the UE to the RNC.
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| CN101754391B (en) * | 2008-12-19 | 2013-08-07 | 华为技术有限公司 | Transmission method and device for absolute grant channel information of enhanced dedicated channel |
| CN102349342B (en) * | 2009-03-12 | 2014-02-26 | 交互数字专利控股公司 | Method and apparatus for selecting and reselecting an uplink primary carrier |
| CN101841854B (en) * | 2009-03-17 | 2013-01-02 | 华为技术有限公司 | Method, system, network side equipment and user equipment for dispatching uplink multiple carriers |
| CN101860899B (en) * | 2009-04-10 | 2013-01-23 | 电信科学技术研究院 | Control channel indication method, system and equipment in multi-carrier HSUPA (High Speed Uplink Packet Access) |
| CN101925156B (en) * | 2009-06-10 | 2012-12-19 | 中兴通讯股份有限公司 | Method and system for ensuring data transmission in uplink pilot channel position change process |
| CN101925159B (en) * | 2009-06-17 | 2014-08-27 | 大唐移动通信设备有限公司 | Mobile communication method and device |
| CN101965018B (en) * | 2009-07-21 | 2012-11-21 | 鼎桥通信技术有限公司 | Control method for accessing multiple-carrier high-speed uplink groups |
| CN101998645A (en) * | 2009-08-19 | 2011-03-30 | 中兴通讯股份有限公司 | Carrier selection method and device |
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