WO2014166214A1

WO2014166214A1 - Tti switching method, base station and user equipment

Info

Publication number: WO2014166214A1
Application number: PCT/CN2013/084194
Authority: WO
Inventors: 冯莉; 郑潇潇; 陈君
Original assignee: 华为技术有限公司
Priority date: 2013-04-12
Filing date: 2013-09-25
Publication date: 2014-10-16
Also published as: CN104521281A

Abstract

Disclosed are a TTI switching method, a base station and a user equipment. The TTI switching method comprises: a user equipment receiving first configuration information corresponding to a first TTI and second configuration information corresponding to a second TTI; the user equipment receiving switching instruction information sent by a base station; the user equipment switching a current TTI to a target TTI corresponding to the switching instruction information, wherein the current TTI is one of the first TTI and the second TTI, and the target TTI is the other of the first TTI and the second TTI; and the user equipment sending data to the base station at the target TTI. By adopting the above-mentioned technical solution, the TTI switching is made to be in time and the time delay of the TTI switching is reduced, thereby avoiding the data loss or call drop.

Description

TTI switching method, base station and user equipment The application is submitted to the Chinese Patent Office on April 12, 2013, and the application number is PCT/CN2013/074176, and the invention name is "a handover method, base station and user equipment". Priority of International Patent Application, the entire contents of which is incorporated herein by reference. Technical field

The present invention relates to the field of communications technologies, and in particular, to a handover method, a base station, and a user equipment. Background technique

With the rapid development of communication technology, WCDMA (Wideband Code Division Multiple)

As one of the mainstream technologies of the third generation mobile communication system, Access, Wideband Code Division Multiple Access has been widely studied and applied worldwide. The DCH channel, called R99 DCH, is introduced in the Rel-99 version of the 3GPP (3rd Generation Partnership Project). The R99 DCH channel has good coverage but can only increase the data rate. The HSUPA (High-Speed Uplink Packet Access) technology is introduced in the Rel-6 version of the 3GPP. The transport channel introduced in HSUPA is E-DCH (Enhanced Dedicated Channel). The E-DCH includes two Transmission Time Interval (TTI) types, 2ms TTI and 10ms TTI, of which 2ms TTI can provide high data transmission rate and small transmission delay; 10ms ΤΉ can provide better coverage. Therefore, when the user equipment (User Equipment, UE) moves from the cell center to the cell edge, in order to obtain better coverage, it is necessary to switch from 2ms to 10ms TTI; correspondingly, when the UE moves from the cell edge to the cell center, To achieve a higher peak rate, you need to switch from 10ms to 2ms TTI.

In addition, the coverage of the R99 DCH is greater than the E-DCH lOmsTTI, so when the UE moves to the cell edge, even if the UE is currently using the E-DCH lOmsTTI, there is a possibility that the coverage still has a problem, and the UE needs to be switched from the E-DCH 1 OmsTTI to The TTI corresponding to the DCH.

In the prior art, E-DCH ΤΉ switching involves two aspects: coverage measurement and E-DCH TTI The execution flow of the switch.

The first is the coverage measurement. The UE sends the UPH to the base station through SI (Scheduling Information), where UPH (UE transmission power headroom, UE transmit power headroom), and UPH is the maximum UE transmit power and DPCCH (Dedicated Physical Control). Channel, dedicated physical control channel) power ratio. Generally, if the UPH is lower than a threshold, the coverage is restricted or the UE moves to the cell edge. To obtain better coverage, the lOms TTI needs to be configured. If the UPH is higher than a threshold, the UE is considered to move to the cell center, in order to obtain a higher Peak rate, need to be configured for 2ms TTI.

The following is the execution flow of the TTI handover. In the prior art, the execution flow of the E-DCH TTI handover has two methods: synchronous reconfiguration and asynchronous reconfiguration. The synchronous reconfiguration refers to the base station controller (Radio Network Control, RNC) respectively. The UE and the base station are configured with a CFN (Connection Frame Number) of the TTI handover, and the UE switches to the target ΤΉ type in the designated CFN, and the base station parses the E-DCH data sent by the UE according to the target ΤΉ type in the specified CF.

Referring to FIG. 1 , for the flowchart of synchronous reconfiguration, the synchronous reconfiguration method includes:

First, the RNC determines to perform a TTI handover, and then the RNC sends an RRC (Radio Resource Control) signaling to the UE, such as a RADIO BEARER RECONFIGURATION REQUEST, indicating that the UE switches to the target type, where the radio bearer The reconfiguration request contains an activation time, which can be expressed, for example, by CF. The RNC sends a RADIO LINK RECONFIGURATION PREPARE message to the base station (eg, NodeB), which carries the new configuration, including the ΤΉ type; then the base station sends a response message to the RNC (RADIO LINK RECONFIGURATION Ready, wireless chain The route reconfiguration message is sent, and then the RNC sends a Radio Link Reconfiguration Confirm message to the base station, where the radio link reconfiguration confirmation message carries the activation time, for example, also indicated by CF, and the activation time is used. The base station is instructed to parse the uplink data according to the target TTI at the specified activation time. Then, the UE sends a RADIO BEARER RECONFIGURATION RESPONSE message to the RNC.

The process of asynchronous reconfiguration is similar to the process of synchronous reconfiguration, except that the activation time is not specified in the message, and the UE switches to the target as soon as possible after receiving the reconfiguration request, and the base station is also the same. The uplink data is parsed by the new TTI, and the specific process will not be described here.

However, in the process of implementing the technical solution in the embodiment of the present invention, the inventor finds that, in the process of the existing synchronous reconfiguration, the RNC notifies the UE to perform TTI handover through RRC signaling, and simultaneously passes the radio link reconfiguration process. Sending new configuration information to the base station requires at least three signaling interactions between the RNC and the base station to complete the handover. Therefore, such a handover mechanism may cause the TTI handover to be untimely and has a large delay, especially in the When the 2msTTI is switched to lOmsTTI, such delay may cause E-DCH data to be lost or even dropped. For the asynchronous reconfiguration mode, the base station cannot accurately determine the timing of the UE switching to the target ,. After receiving the reconfiguration signaling sent by the RNC, the base station needs to try to parse the two TTI types before and after the handover, so the hardware resources of the base station are wasted. Summary of the invention

The embodiments of the present invention provide a handover method, a base station, and a user equipment, so as to avoid the problem of data loss or dropped calls caused by a large delay and no timely handover when the TTI is switched.

A first aspect of the present invention provides a TTI handover method, including: receiving, by a user equipment, first configuration information corresponding to a first TTI and second configuration information corresponding to a second UI; the user equipment receiving handover indication information sent by a base station The user equipment switches the current TTI to the target 对应 corresponding to the handover indication information, where the current TTI is one of the first TTI and the second TTI, and the target ΤΉ is the The first device and the other one of the second ports; the user equipment transmits data to the base station at the target TTI.

With reference to the first aspect, in a first possible implementation manner, the first ΤΉ is specifically 2 ms, and the second TTI is specifically 10 ms.

With reference to the first aspect or the first possible implementation manner, in a second possible implementation, after the user equipment receives the handover indication information sent by the base station, the method further includes: the user equipment is carried in the E-DPCCH The E-TFCI is prohibited from being used to indicate that the user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved; or, the user equipment Transmitting a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI) to indicate that the user equipment has received the handover indication information, where The non-zero TFCI is predefined or configurable.

With reference to the first aspect or the first possible implementation manner, in a third possible implementation, after the user equipment receives the handover indication information sent by the base station, the method further includes:

When the current ΤΉ is 2 ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is less than a first threshold, the user equipment sends a first enhanced dedicated transport channel format merge indication (E) - TFCI) an enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, the first E-TFCI being predefined or configurable; or

When the current ΤΉ is 10 ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is greater than a second threshold, the user equipment sends a second enhanced dedicated transport channel format merge indication (E) - TFCI) an enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, the second E-TFCI being predefined or configurable.

With the first aspect or the first possible implementation manner, in a fourth possible implementation, after the user equipment receives the handover indication information sent by the base station, the method further includes: the user equipment corresponding to the target The uplink scrambling code transmits control information or data to indicate that the handover indication information has been received.

With reference to the first aspect or the first possible implementation manner, in a fifth possible implementation, after the user equipment receives the handover indication information sent by the base station, the method further includes: using, by the user equipment, domain information in the DPCCH Instructing the user equipment that the handover indication information has been received.

With the first aspect or the first possible implementation manner, in a sixth possible implementation manner, after the user equipment receives the handover indication information sent by the base station, the method further includes: the user equipment receiving the handover The acknowledgment information is sent to the base station within a maximum time after the indication information, wherein the maximum time is predefined or configurable.

In combination with the first aspect or the first possible implementation manner to the sixth possible implementation manner, in a seventh possible implementation manner, the user equipment sends data to the base station by using the target TTI. Specifically, when the user equipment sends data to the base station by using the first network The user equipment sends data to the base station by using the first TTI after the next M subframes after the sending of the acknowledgement information, where M is predefined or configurable, and M is an integer greater than or equal to zero. ; or

When the user equipment sends the data to the base station by using the second ΤΉ, the user equipment sends the data to the base station by using the second ΤΉ after transmitting the next N CFs after the acknowledgment information. Where N is predefined or configurable and N is an integer greater than or equal to zero.

With reference to the first aspect, or any one of the first possible implementation to the seventh possible implementation, in an eighth possible implementation, the user equipment sends data to the target Before the base station, it also includes:

The user equipment clears data in the HARQ buffer;

The user equipment resets the uplink enhanced entity (MAC-i/is) entity and sets TSN to zero.

With reference to the first aspect, or the first possible implementation manner to the seventh possible implementation manner, in the ninth possible implementation manner, after the user equipment receives the handover indication information sent by the base station, The method further includes: the user equipment constructs data in the HARQ buffer as a MAC-i PDU corresponding to the target ;; and the user equipment resets the MAC-i/is entity, and sets the TSN to 0.

With reference to the first aspect, or the first possible implementation to the seventh possible implementation, in a tenth possible implementation, the user equipment sends data to the target The base station, the method includes: deleting, by the user equipment, a first MAC-i PDU corresponding to a TTI that is not successfully sent before the handover; the user equipment constructs a second MAC-i PDU corresponding to the target TTI, where In the second MAC-i PDU and in the first MAC-i PDU, the payload is the same; the user equipment sends the second MAC-i PDU corresponding to the target ΤΉ.

In combination with the first aspect or any one of the first possible implementation to the seventh possible implementation, in an eleventh possible implementation, when in the first TTI and in the When the same TBS table is used, the user equipment sends the data to the base station by using the target ΤΉ, and the method includes: the first corresponding to the TTI before the handover of the user equipment that is not successfully sent by the physical layer. The data is encoded as the second data corresponding to the target TTI; the user equipment sends the Second data.

With reference to the first aspect, or the first possible implementation manner to any one of the eleventh possible implementation manners, in the twelfth possible implementation manner, the user equipment receives the first configuration information of the first UI Before the second configuration information of the second TTI, the method further includes: the user equipment sends capability indication information that supports the handover.

With reference to the first aspect or the first possible implementation manner to any one of the twelfth possible implementation manners, in the thirteenth possible implementation manner, the user equipment receives the handover indication information sent by the base station, Specifically, the user equipment receives an HS-SCCH order sent by the base station.

With reference to the first aspect or the first possible implementation manner to any one of the thirteenth possible implementation manners, in the fourteenth possible implementation manner, the first configuration information includes the first Corresponding first E-DCH MAC-d flow parameter, the second configuration information includes a second E-DCH MAC-d flow parameter corresponding to the second TTI.

With reference to the fourteenth possible implementation manner, in the fifteenth possible implementation manner, the first configuration information further includes a first DTX parameter and/or a first DRX parameter corresponding to the first UI, The second configuration information further includes a second DTX parameter and/or a second DRX parameter corresponding to the second UI; the first configuration information and/or the second configuration information further includes Determining the power of the control channel of the information, wherein the ΤΉ handover indication acknowledgment information is used to indicate that the user equipment has received the handover indication information.

In a second aspect, the present invention further provides a method for switching, comprising:

The base station receives the first configuration information corresponding to the first port and the second configuration information corresponding to the second port; the base station sends the handover indication information of the handover to the user equipment.

With reference to the second aspect, in the first possible implementation manner, the first ΤΉ is specifically 2 ms, and the second TTI is specifically 10 ms.

With the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation manner, after the base station sends, to the user equipment, handover indication information that requires the user equipment to perform TTI handover, The method further includes: the base station receiving the acknowledgement information sent by the user equipment. With the second possible implementation of the second aspect, in a third possible implementation, the base station sends, to the user equipment, handover indication information that requires the user equipment to perform TTI handover, specifically: If the acknowledgment information is not received by the base station, the handover indication information is re-transmitted, where the maximum time is predefined or configurable.

With the second aspect or the first possible implementation manner of the second aspect, in a fourth possible implementation manner, after the base station sends the handover indication information of the handover to the user equipment, the method further includes: receiving, by the base station An enhanced dedicated transport channel format merge indication (E-TFCI) for use by the user equipment in an enhanced dedicated physical control channel (E-DPCCH); and based on the E-TFCI, confirming that the user equipment has received The handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved; or

Receiving, by the base station, a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI), and confirming, according to the non-zero TFCI, that the user equipment has received the handover indication Information, wherein the non-zero TFCI is predefined, or configurable.

With the second aspect or the first possible implementation manner of the second aspect, in a fifth possible implementation manner, after the base station sends the handover indication information of the handover to the user equipment, the method further includes: when the current If the power headroom (UPH) value received by the base station is less than the first threshold, the base station receives the first enhanced dedicated transport channel format merge indication (E-TFCI) sent by the user equipment. Ensuring a dedicated physical control channel (E-DPCCH), and confirming, based on the first E-TFCI, that the user equipment has received the handover indication information, the first E-TFCI being predefined or configurable Or,

When the current ΤΉ type is 10 ms TTI, and the power headroom (UPH) value received by the base station is greater than the second threshold, the base station receives the second enhanced dedicated transport channel format merge indication sent by the user equipment An enhanced dedicated physical control channel (E-DPCCH) of (E-TFCI), and confirming that the user equipment has received the handover indication information based on the second E-TFCI, the second E-TFCI is predefined Or configurable.

Combining the second aspect or the first possible implementation of the second aspect to the fifth possible implementation In a sixth possible implementation manner, after the base station sends the handover indication information of the TTI handover to the user equipment, the method further includes: sending, by the base station, an uplink enhancement to the radio network controller. Entity reset (MAC-i/is Reset) indication or MAC-is Reset indication.

With reference to the second aspect, or the first possible implementation manner of the second aspect, to any one of the sixth possible implementation manner, in a seventh possible implementation manner, the base station sends the user equipment to the user equipment After the handover indication information is switched, the method further includes: sending, by the base station, the switched target of the user equipment to the radio network controller.

With reference to the second aspect, or the first possible implementation manner of the second aspect, to any one of the sixth possible implementation manners, in an eighth possible implementation manner, the base station has an operation mode for turning off TTI switching And transmitting, by the base station, the handover indication information of the TTI handover to the user equipment, where the base station is in the working mode of the open handover, the base station sends the user equipment to the user equipment. The switching indication information of the TTI handover is sent.

With reference to the eighth possible implementation manner, in the ninth possible implementation manner, when the base station is in the working mode of the closed handover, the base station receives the indication information sent by the radio network controller, and The working mode in which the base station is switched by the off TTI is switched to the working mode in which the TTI switching is turned on.

With reference to the second aspect, or the first possible implementation manner of the second aspect, to any one of the ninth possible implementation manner, in the tenth possible implementation manner, the base station receives the first TTI corresponding to Before the first configuration information and the second configuration information corresponding to the second UI, the method further includes: the base station sending, to the radio network controller, capability indication information that supports TTI handover.

With reference to the second aspect, or the first possible implementation manner of the second aspect, to any one of the tenth possible implementation manner, in an eleventh possible implementation manner, the base station is used to the user equipment Simultaneously or after transmitting the handover indication information of the TTI handover, the method further includes: the base station transmitting the indication information to the radio network control, so that the radio network controller sends the indication information to the non-serving base station, so that The non-serving base station switches to the target TTI after the handover.

In conjunction with the eleventh possible implementation manner, in the twelfth possible implementation manner, The indication information includes time information for switching to the target ΤΉ.

With reference to the second aspect, in a thirteenth possible implementation manner, the first configuration information and/or the second configuration information further includes a control channel for determining that the user equipment sends the handover indication acknowledgement information The power of the handover indication confirmation information is used to indicate that the user equipment has received the handover indication information.

In a third aspect, the present invention provides a user equipment, including:

a first receiving unit, configured to receive first configuration information corresponding to the first TTI and second configuration information corresponding to the second TTI, where the second receiving unit is configured to receive the handover indication information sent by the base station, and the switching indication information The switching unit is configured to receive the handover indication information from the second receiving unit, and switch the current TTI to a target 对应 corresponding to the handover indication information, where the current ΤΉ is One of the first ΤΉ and the second ,, the target ΤΉ is another one of the first ΤΉ and the second ;; a first sending unit, configured to send data to the target ΤΉ The base station.

With reference to the third aspect, in a first possible implementation manner, the first ΤΉ is specifically 2 ms, and the second TTI is specifically 10 ms.

With the third aspect or the first possible implementation manner of the third aspect, in a second possible implementation manner, the user equipment further includes: a second sending unit, configured to carry the prohibited use in the E-DPCCH E-TFCI to indicate that the user equipment has switched to the target TTI, wherein the forbidden E-TFCI is predefined or configurable or reserved; or for transmitting a separate carrying non-zero transmission A Physical Control Channel (DPCCH) of the Channel Format Consolidation Indication (TFCI) to indicate that the user equipment has received the handover indication information, wherein the non-zero TFCI is predefined, or configurable.

With reference to the third aspect, or the first possible implementation manner of the third aspect, in a third possible implementation, the user equipment further includes:

a second sending unit, configured to: when the current ΤΉ is 2 ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is less than a first threshold, the sending carries a first enhanced dedicated transport channel format merge indication (E-TFCI) Enhanced Dedicated Physical Control Channel (E-DPCCH) to The user equipment has received the handover indication information, and the first E-TFCI is predefined or configurable; or

When the current ΤΉ is 10ms ΤΉ, and the power headroom (UPH) value sent by the user equipment to the base station is greater than a second threshold, the sending carries an enhancement of the second enhanced dedicated transport channel format merge indication (E-TFCI) a dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

With the third aspect or the first possible implementation manner of the third aspect, in a fourth possible implementation, the user equipment further includes: a second sending unit, configured to perform uplink interference corresponding to the target The code transmits control information or data to indicate that the handover indication information has been received.

With the third aspect or the first possible implementation manner of the third aspect, in a fifth possible implementation, the user equipment further includes: a second sending unit, configured to use the domain information in the DPCCH to indicate the location The user equipment has received the handover indication information.

With the third aspect or the first possible implementation manner of the third aspect, in a sixth possible implementation, the user equipment further includes: a second sending unit, configured to: after receiving the switching indication information The acknowledgment information is sent to the base station in a maximum time, wherein the maximum time is predefined or configurable.

With reference to the sixth possible implementation manner, in a seventh possible implementation, the first sending unit is specifically configured to: when sending data to the base station by using the first ΤΉ, the first sending unit After the second sending unit sends the next M subframes after the acknowledgement information, the data is sent to the base station by using the first frame, where M is predefined or configurable, and M is an integer greater than or equal to zero. ; or

When the data is sent to the base station by using the second ΤΉ, the first sending unit sends the data to the second ΤΉ after the second sending unit sends the acknowledgment information The base station, where N is predefined or configurable, and N is an integer greater than or equal to zero.

With the third aspect or the first possible implementation manner of the third aspect, the seventh possible implementation manner, in the eighth possible implementation, the user equipment further includes: a processing unit, And before the first sending unit sends the data to the base station by using the target Clear the data in the HARQ buffer; reset the uplink enhancement (MAC-i/is) entity and set TSN to 0.

With reference to the third aspect, or the first possible implementation manner of the third aspect, to the seventh possible implementation manner, in the ninth possible implementation manner, the user equipment further includes: a processing unit, After the second receiving unit receives the handover indication information sent by the base station, the data in the HARQ buffer is constructed as a MAC-i PDU corresponding to the target TTI; and the MAC-i/is entity is reset. , set TSN to 0.

With reference to the third aspect, or the first possible implementation manner of the third aspect, to any one of the seventh possible implementation manners, in the tenth possible implementation manner, the first sending unit is specifically configured to: Deleting a first MAC-i PDU corresponding to the 前 before the successful handover; constructing a second MAC-i PDU corresponding to the target TTI, where in the second MAC-i PDU and in the first In the MAC-i PDU, the payload is the same; and the second MAC-i PDU corresponding to the target ΤΉ is transmitted.

With reference to the third aspect or any one of the first possible implementation to the seventh possible implementation of the third aspect, in an eleventh possible implementation manner, when in the first When the same TBS table is used, the user equipment further includes: a coding unit, configured to encode, in the physical layer, the first data corresponding to the first TTI that is not successfully sent into the first And corresponding to the second data, and sending the second data to the first sending unit; the first sending unit is specifically configured to receive the second data from the encoding unit, and send the first Two data.

With reference to the third aspect, or the first possible implementation manner of the third aspect, and the eleventh possible implementation manner, in the twelfth possible implementation manner, the user equipment further includes: The third sending unit is configured to send capability indication information that supports the handover.

With reference to the third aspect, or the first possible implementation manner of the third aspect, to any one of the twelfth possible implementation manners, in the thirteenth possible implementation manner, the second receiving unit is specifically used Receiving the HS-SCCH order sent by the base station.

With reference to the third aspect, or the first possible implementation manner of the third aspect, to any one of the thirteenth possible implementation manners, in the fourteenth possible implementation manner, the first configuration information includes a first E-DCH MAC-d flow parameter corresponding to the first ,, the second configuration information packet The second E-DCH MAC-d flow parameter corresponding to the second TTI is included.

In combination with the fourteenth possible implementation manner, in the fifteenth possible implementation manner, the first configuration information further includes a first DTX parameter and/or a first DRX parameter corresponding to the first TTI, where The second configuration information further includes a second DTX parameter and/or a second DRX parameter corresponding to the second UI; the first configuration information and/or the second configuration information further includes The power of the control channel indicating the acknowledgment information, wherein the ΤΉ handover indication acknowledgment information is used to indicate that the user equipment has received the handover indication information.

In a fourth aspect, the present invention further provides a user equipment, including:

a receiver, configured to receive first configuration information corresponding to the first TTI and second configuration information corresponding to the second TTI, and receive handover indication information sent by the base station, where the processor is configured to: according to the handover indication information, Switching to the target 对应 corresponding to the handover indication information, where the current ΤΉ is one of the first ΤΉ and the second ,, and the target TTI is the first ΤΉ and the second 为Another one of the ;; a transmitter, configured to send data to the base station with the target ΤΉ.

With reference to the fourth aspect, in a first possible implementation manner, the first ΤΉ is specifically 2 ms, and the second TTI is specifically 10 ms.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a second possible implementation manner, the transmitter is specifically configured to carry an E-TFCI that is forbidden in the E-DPCCH to indicate the location The user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved; or used to send a separate non-zero transport channel format merge indication ( a physical control channel (DPCCH) of the TFCI) to indicate that the user equipment has received the handover indication information, wherein the non-zero TFCI is predefined, or configurable.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a third possible implementation manner, the transmitter is specifically configured to: when the current UI is 2 ms TTI, and the user equipment Sending a power headroom (UPH) value to the base station that is less than a first threshold, and transmitting an enhanced dedicated physical control channel (E-DPCCH) carrying a first enhanced dedicated transport channel format merge indication (E-TFCI) to indicate the The user equipment has received the handover indication information, where the first E-TFCI is predefined or configurable; or,

When the current ΤΉ is 10 ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is greater than a second threshold, the sending carries an enhancement of the second enhanced dedicated transport channel format merge indication (E-TFCI) a dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a fourth possible implementation, the transmitter is specifically configured to send control information or data by using an uplink scrambling code corresponding to the target ,, To indicate that the switching indication information has been received.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a fifth possible implementation, the transmitter is specifically configured to use domain information in the DPCCH to indicate that the user equipment has received the The switching instruction information is described.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a sixth possible implementation, the transmitter is specifically configured to send the acknowledgement information within a maximum time after receiving the handover indication information To the base station, wherein the maximum time is predefined or configurable.

With reference to the fourth aspect, or any one of the first possible implementation to the sixth possible implementation of the fourth aspect, in a seventh possible implementation, the transmitter is further configured to: When the first data is sent to the base station, the data is sent to the base station by using the first frame after the M subframes after the acknowledgement information is sent, where M is predefined or configurable. , M is an integer greater than or equal to zero; or

When the data is sent to the base station by using the second ΤΉ, the second TTI is used to send data to the base station after the next N CFs are sent, where N is predefined or Configured, N is an integer greater than or equal to zero.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, to any one of the seventh possible implementation manners, in an eighth possible implementation manner, the processor is further configured to clear the HARQ buffer Data in the flush; and reset the uplink enhanced (MAC-i/is) entity, setting TSN to zero.

With reference to the fourth aspect, or any one of the first possible implementation to the seventh possible implementation of the fourth aspect, in a ninth possible implementation, the processor is further configured to use the HARQ The data in the cache is constructed as the MAC-i PDU corresponding to the target TTI; the MAC-i/is entity is reset, and the TSN is set to zero.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, to any one of the seventh possible implementation manners, in the tenth possible implementation manner, the processor is further configured to delete the unsent a first MAC-i PDU corresponding to the TTI before the successful handover; constructing a second MAC-i PDU corresponding to the target TTI, wherein in the second MAC-i PDU and in the first MAC-i In the PDU, the payload is the same; the transmitter is configured to send the second MAC-i PDU corresponding to the target ΤΉ.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, to any one of the seventh possible implementation manner, in an eleventh possible implementation manner, the user equipment further includes an encoder, The first data corresponding to the 前 before the handover that is not successfully transmitted is encoded as the second data corresponding to the target 在 at the physical layer; the transmitter is configured to send the second data.

With reference to the fourth aspect, or any one of the first possible implementation manner of the fourth aspect to the eleventh possible implementation manner, in the twelfth possible implementation manner, the transmitter is further configured to send Capability indication information that supports ΤΉ switching.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, to any one of the twelfth possible implementation manners, in a thirteenth possible implementation manner, the receiver is further configured to receive HS-SCCH order sent by the base station.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, to any one of the thirteenth possible implementation manners, in the fourteenth possible implementation manner, the first configuration information includes The first E-DCH MAC-d flow parameter corresponding to the first ΤΉ, the second configuration information includes a second E-DCH MAC-d flow parameter corresponding to the second TTI.

With reference to the fourteenth possible implementation manner of the fourth aspect, in the fifteenth possible implementation, the first configuration information further includes a first DTX parameter corresponding to the first UI and/or a first The second configuration information further includes a second DTX parameter and/or a second DRX parameter corresponding to the second TTI; the first configuration information and/or the second configuration information further includes Transmitting a power of a control channel including TTI handover indication acknowledgement information, where The confirmation information is used to indicate that the user equipment has received the handover indication information.

In a fifth aspect, the present invention provides a base station, including:

The first receiving unit is configured to receive the first configuration information corresponding to the first TTI and the second configuration information corresponding to the second TTI, where the first sending unit is configured to send the handover indication information of the TTI handover to the user equipment.

With reference to the fifth aspect, in a first possible implementation manner, the first ΤΉ is specifically 2 ms, and the second TTI is specifically 10 ms.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a second possible implementation manner, the base station further includes: a second receiving unit, configured to receive the acknowledgement information sent by the user equipment.

With the second possible implementation of the fifth aspect, in a third possible implementation, the first sending unit is further configured to: if the base station does not receive the acknowledgement information within a maximum time, re Sending the handover indication information, where the maximum time is predefined or configurable.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a fourth possible implementation manner, the base station further includes:

a second receiving unit, configured to receive the user equipment in an enhanced dedicated physical control channel

An enhanced dedicated transport channel format merge indication (E-TFCI) carried in (E-DPCCH); or, for receiving a separate physics carrying a non-zero transport channel format merge indication (TFCI) sent by the user equipment Control channel (DPCCH);

a processing unit, configured to confirm, according to the E-TFCI, that the user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved; or For confirming that the user equipment has received the handover indication information based on the non-zero TFCI, wherein the non-zero TFCI is predefined, or configurable.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a fifth possible implementation manner, the base station further includes:

a second receiving unit, configured to: when the current UI is 2ms ΤΉ, and received by the base station The power headroom (UPH) value is less than the first threshold, and receives an enhanced dedicated physical control channel (E-DPCCH) that is sent by the user equipment and carries a first enhanced dedicated transport channel format merge indication (E-TFCI) or The current ΤΉ type is 10ms ΤΉ, and the power headroom (UPH) value received by the base station is greater than a second threshold, and the second enhanced dedicated transport channel format merge indication (E-TFCI) sent by the user equipment is received. Enhanced dedicated physical control channel (E-DPCCH);

a processing unit, configured to confirm, according to the first E-TFCI, that the user equipment has received the handover indication information, where the first E-TFCI is predefined or configurable; or The second E-TFCI confirms that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

With reference to the fifth aspect, or any one of the first possible implementation manner of the fifth aspect, and the fifth possible implementation manner, in a sixth possible implementation manner, the base station further includes: a second sending unit And sending an uplink enhanced entity reset (MAC-i/is Reset) indication or an uplink enhanced entity reset (MAC-is Reset) indication to the radio network controller.

With reference to the fifth aspect, or any one of the first possible implementation manner of the fifth aspect, and the fifth possible implementation manner, in a seventh possible implementation manner, the base station further includes: a third sending unit And transmitting, to the radio network controller, the switched target of the user equipment.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, to any one of the possible implementation manners of the seventh aspect, in an eighth possible implementation manner, the base station has an operation mode for turning off TTI handover The first sending unit is configured to send the switching indication information of the TTI handover to the user equipment in an working mode in which the base station is in the initiating TTI handover.

With reference to the eighth possible implementation manner of the fifth aspect, in a ninth possible implementation manner, the base station further includes: a third receiving unit, configured to be in a working mode in which the base station is in the closed/switching mode Receiving the indication information sent by the radio network controller, and sending the indication information to the switching unit, where the switching unit is configured to switch the working mode of the base station by the shutdown switch based on the indication information. The working mode for the said ΤΉ switching.

Combining the fifth aspect or the first possible implementation of the fifth aspect to the possible implementation of the ninth In a tenth possible implementation manner, the base station further includes: a fourth sending unit, configured to send, to the radio network controller, capability indication information that supports handover.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, to any one of the possible implementation manners of the tenth, in an eleventh possible implementation manner, the base station further includes: a sending unit, configured to send indication information to the radio network controller, to enable the radio network controller to send the indication information to the non-serving base station, so that the non-serving base station switches to the target TTL after the handover

With reference to the eleventh possible implementation manner of the fifth aspect, in the twelfth possible implementation, the indication information includes time information that is switched to the target ΤΉ.

In a sixth aspect, the present invention provides a base station, including:

The receiver is configured to receive the first configuration information corresponding to the first TTI and the second configuration information corresponding to the second TTI, and the transmitter is configured to send the handover indication information of the handover to the user equipment.

With reference to the sixth aspect, in a first possible implementation manner, the first ΤΉ is specifically 2 ms, and the second TTI is specifically 10 ms.

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, in a second possible implementation manner, the receiver is further configured to: receive the acknowledgement information sent by the user equipment.

With the second possible implementation of the sixth aspect, in a third possible implementation, the transmitter is further configured to: if the base station does not receive the acknowledgement information within a maximum time, re Sending the handover indication information, where the maximum time is predefined or configurable.

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, in a fourth possible implementation manner, the base station further includes: a first processor,

The receiver is further configured to: receive an enhanced dedicated transport channel format merge indication (E-TFCI) for use by the user equipment in an enhanced dedicated physical control channel (E-DPCCH); or, for receiving a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI) sent by the user equipment;

The first processor is configured to confirm, according to the E-TFCI, that the user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved; Or for determining, according to the non-zero TFCI, that the user equipment has received the handover indication information, where the non-zero TFCI is predefined, or configurable.

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, in a fifth possible implementation, the base station further includes: a first processor,

The receiver is further configured to: when the current TTI is a 2ms TTI, and the power headroom (UPH) value received by the base station is less than a first threshold, and receive the first enhanced dedicated Enhanced Dedicated Physical Control Channel for Transport Channel Format Consolidation Indication (E-TFCI)

(E-DPCCH) or, configured to: when the current ΤΉ type is 10ms ΤΉ, and the power headroom (UPH) value received by the base station is greater than a second threshold, and receive the second enhanced dedicated Enhanced Dedicated Physical Control Channel for Transport Channel Format Consolidation Indication (E-TFCI)

( E-DPCCH );

The first processor is configured to: confirm, according to the first E-TFCI, that the user equipment has received the handover indication information, where the first E-TFCI is predefined or configurable; or, And confirming, by the second E-TFCI, that the user equipment has received the handover indication information, where the second E-TFCI is predefined or configurable.

With reference to the sixth aspect, or any one of the first possible implementation manner of the sixth aspect, and the fifth possible implementation manner, in a sixth possible implementation manner, the transmitter is further configured to: The network controller sends an uplink enhanced entity reset (MAC-i/is Reset) indicating an uplink enhanced entity reset (MAC-is Reset) indication.

With reference to the sixth aspect, or any one of the first possible implementation manner of the sixth aspect to the sixth possible implementation manner, in a seventh possible implementation manner, the transmitter is further configured to: The target of the switching of the user equipment is given to the radio network controller.

With reference to the sixth aspect, or any one of the first possible implementation manner of the sixth aspect, to the sixth possible implementation manner, in an eighth possible implementation manner, the base station has an operation mode for turning off TTI handover. And the working mode of the ΤΉ handover is performed, where the transmitter is specifically configured to: when the base station is in the working mode of enabling the TTI handover, send the handover indication information of the TTI handover to the user equipment. With reference to the eighth possible implementation manner of the sixth aspect, in a ninth possible implementation manner, the receiver is configured to receive, when the base station is in the working mode of the off TTI handover, receive the sending by the radio network controller The base station further includes a processor, configured to: switch the working mode of the base station from the closed switch to the working mode of the open switch.

With reference to the sixth aspect, or any one of the first possible implementation manner of the sixth aspect to the ninth possible implementation manner, in a tenth possible implementation manner, the transmitter is used to send to a radio network controller Send capability indication information that supports handover.

With reference to the sixth aspect, or any one of the first possible implementation manner of the sixth aspect to the tenth possible implementation manner, in an eleventh possible implementation manner, the transmitter is used to control to a wireless network And transmitting the indication information, so that the radio network controller sends the indication information to the non-serving base station, so that the non-serving base station switches to the target TTI after the handover.

With reference to the eleventh possible implementation manner of the sixth aspect, in the twelfth possible implementation, the indication information includes time information that is switched to the target ΤΉ.

In a seventh aspect, the present invention provides a method for switching, comprising:

The user equipment receives the transmission time interval ( ΤΤΙ ) handover indication information sent by the radio network controller; the user equipment sends a control channel carrying the transport format combination to the base station, so that the base station can determine the user equipment based on the transport format combination The handover indication information has been received.

With reference to the seventh aspect, in a first possible implementation, the user equipment sends a control channel carrying a combination of transmission formats, specifically:

The user equipment carries an enhanced dedicated transport channel format merge indication (E-TFCI) in the enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, where The prohibited E-TFCI is pre-defined or configurable or reserved; or

The user equipment sends a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI) to indicate that the user equipment has received the handover indication information, where the non-zero TFCI is predefined , or configurable.

With reference to the seventh aspect, in a second possible implementation manner, the user equipment sends a carrying The control channel combination of the transmission format is specifically:

When the current ΤΉ of the user equipment is 2 ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than a first threshold, the user equipment sends a first enhanced dedicated transport channel format merge indication ( An enhanced dedicated physical control channel (E-DPCCH) of the E-TFCI to indicate that the user equipment has received the handover indication information, the first E-TFCI being predefined or configurable; or

When the current frame of the user equipment is 10 ms TTI, and the UPH value sent by the user equipment to the base station is greater than a second threshold, the user equipment sends a second enhanced dedicated transport channel format merge indication (E-TFCI) An enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, the second E-TFCI being predefined or configurable.

With reference to the seventh aspect, or the first possible implementation manner or the second possible implementation manner of the seventh aspect, in a third possible implementation manner, the ΤΤΙ handover indication information includes a first gain factor and a second a gain factor, the first gain factor is used to determine that the user equipment sends power of a control channel that does not include a handover indication acknowledgement, and the second gain factor is used to determine that the user equipment sends a control that includes a handover indication acknowledgement The power of the channel; wherein the ΤΤΙ handover indication acknowledgement information is used to indicate that the user equipment has received the handover indication information.

With reference to the seventh aspect, in a fourth possible implementation manner, after the user equipment sends the control channel that carries the combination of the transport format to the base station, the method further includes: the user equipment switching to the predefined or pre-configured time point The switching indication information corresponds to a target ΤΤΙ.

In an eighth aspect, the present invention provides a method for switching, comprising:

Receiving, by the base station, the handover indication information sent by the radio network controller;

The base station receives a control channel that carries a combination of transmission formats sent by the user equipment, to determine that the user equipment has received the handover indication information.

With reference to the eighth aspect, in a first possible implementation manner, the base station receives, by the user equipment, a control channel that carries a transport format combination, which is specifically:

Receiving, by the base station, the user equipment to carry in an enhanced dedicated physical control channel (E-DPCCH) An enhanced dedicated transport channel format merge indication (E-TFCI) with a forbidden use, and confirming that the user equipment has received the handover indication information based on the E-TFCI, wherein the prohibited E-TFCI is used Pre-defined or configurable or reserved; or

Receiving, by the user equipment, a physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI), and confirming, by the TFCI, that the user equipment has received the handover indication information, The non-zero TFCI is predefined or configurable.

With reference to the eighth aspect, in a second possible implementation manner, the base station receives, by the user equipment, a control channel that carries a transport format combination, which is specifically:

When the current ΤΉ of the user equipment is 2 ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than a first threshold, the base station receives the first enhanced dedicated transport channel that is sent by the user equipment. An enhanced dedicated physical control channel (E-DPCCH) of the format merge indication (E-TFCI), and based on the first E-TFCI confirming that the user equipment has received the handover indication information, the first E-TFCI Pre-defined or configurable; or,

When the current frame of the user equipment is 10 ms TTI, and the UPH value sent by the user equipment to the base station is greater than a second threshold, the base station receives a second enhanced dedicated transport channel format merge indication sent by the user equipment. An enhanced dedicated physical control channel (E-DPCCH) of (E-TFCI), and based on the second E-TFCI confirming that the user equipment has received the handover indication information, the second E-TFCI is predefined Or configurable.

With reference to the eighth aspect, or the first possible implementation manner of the eighth aspect, or the second aspect of the eighth aspect, in a third possible implementation, the receiving, by the base station, a control of a carrier transport format combination sent by a user equipment After the channel, it also includes:

The base station starts to decode the uplink data sent by the user equipment by using the target 在 at a predefined or pre-configured time point, where the target 对应 corresponds to the handover indication information.

With reference to the eighth aspect, in a fourth possible implementation, the ΤΉ handover indication information includes a first gain factor and a second gain factor, where the first gain factor is used to determine that the user equipment sends no ΤΉ Switching the power of the control channel indicating the acknowledgment information, where the second gain factor is used to determine the power of the user equipment to transmit the control channel including the ΤΉ handover indication acknowledgment information; The ΤΉ handover indication acknowledgement information is used to indicate that the user equipment has received the handover indication information.

In a ninth aspect, the present invention provides a user equipment, including:

a receiving unit, configured to receive a transmission time interval (ΤΤΙ) switching indication information sent by the radio network controller;

And a sending unit, configured to send a control channel carrying the transport format combination to the base station, so that the base station can determine, according to the transport format combination, that the user equipment has received the handover indication information.

With reference to the ninth aspect, in a first possible implementation, the sending unit is specifically configured to: carry an enhanced dedicated transport channel format merge indication (E-TFCI) in the enhanced dedicated physical control channel (E-DPCCH) Instructing the user equipment that the handover indication information has been received, wherein the prohibited E-TFCI is predefined or configurable or reserved; or

Transmitting a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI) to indicate that the user equipment has received the handover indication information, where the non-zero TFCI is predefined, or Configured.

With reference to the ninth aspect, in a second possible implementation manner, the sending unit is specifically configured to: when a current state of the user equipment is 2 ms TTI, and a power headroom UPH sent by the user equipment to the base station Sending an enhanced dedicated physical control channel (E-DPCCH) carrying a first enhanced dedicated transport channel format merge indication (E-TFCI) to indicate that the user equipment has received the handover indication information, if the value is smaller than the first threshold. The first E-TFCI is predefined or configurable; or

When the current frame of the user equipment is 10 ms TTI, and the UPH value sent by the user equipment to the base station is greater than a second threshold, sending an enhanced dedicated carrying a second enhanced dedicated transport channel format merge indication (E-TFCI) a physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

With reference to the ninth aspect, in a third possible implementation, the user equipment further includes: a processing unit, configured to control, by the user equipment, to switch to the handover indication information at a predefined or pre-configured time point The target TTI. In a tenth aspect, the present invention provides a user equipment, including:

a receiver, configured to receive a transmission time interval ( ΤΉ ) switching indication message sent by the radio network controller;

And a transmitter, configured to send a control channel carrying a transport format combination to the base station, so that the base station can determine, according to the transport format combination, that the user equipment has received the handover indication information.

With reference to the tenth aspect, in a first possible implementation, the transmitter is specifically configured to: carry an enhanced dedicated transport channel format merge indication (E-TFCI) in the enhanced dedicated physical control channel (E-DPCCH) Instructing the user equipment that the handover indication information has been received, wherein the prohibited E-TFCI is predefined or configurable or reserved; or

With reference to the tenth aspect, in a second possible implementation, the transmitter is specifically configured to: when a current state of the user equipment is 2 ms TTI, and a power headroom UPH sent by the user equipment to the base station Sending an enhanced dedicated physical control channel (E-DPCCH) carrying a first enhanced dedicated transport channel format merge indication (E-TFCI) to indicate that the user equipment has received the handover indication information, if the value is smaller than the first threshold. The first E-TFCI is predefined or configurable; or

With the tenth aspect, in a third possible implementation, the user equipment further includes: a processing unit, configured to control, by the user equipment, to switch to the handover indication information at a predefined or pre-configured time point The target TTI.

In an eleventh aspect, the present invention provides a base station, including:

a first receiving unit, configured to receive the handover indication information sent by the radio network controller; And a second receiving unit, configured to receive a control channel that is sent by the user equipment and that carries the transport format combination, to determine that the user equipment has received the handover indication information.

With reference to the eleventh aspect, in a first possible implementation, the base station further includes a processing unit,

The second receiving unit is specifically configured to receive the user equipment in an enhanced dedicated physical control channel.

An enhanced dedicated transport channel format merge indication (E-TFCI) carried in the (E-DPCCH), or a separate physical control channel carrying the non-zero transport channel format merge indication (TFCI) transmitted by the user equipment (DPCCH);

The processing unit is configured to confirm, according to the E-TFCI, that the user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved Or, based on the TFCI, confirm that the user equipment has received the handover indication information, where the non-zero TFCI is predefined, or configurable.

With reference to the eleventh aspect, in a second possible implementation manner, the base station further includes a processing unit,

The second receiving unit is configured to: when the current state of the user equipment is 2 ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than a first threshold, and receive the carrying by the user equipment An enhanced dedicated physical control channel (E-DPCCH) of the first enhanced dedicated transport channel format merge indication (E-TFCI); or, when the current frame of the user equipment is a 10 ms TTI, and the user equipment sends to the base station The UPH value is greater than the second threshold, and receives an enhanced dedicated physical control channel (E-DPCCH) that is sent by the user equipment and carries a second enhanced dedicated transport channel format merge indication (E-TFCI);

The processing unit is configured to confirm, according to the first E-TFCI, that the user equipment has received the handover indication information, where the first E-TFCI is predefined or configurable; or The second E-TFCI confirms that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

With reference to the eleventh aspect, in a third possible implementation, the base station further includes: a decoding unit, configured to start, by using a target TTI, the user equipment to send at a predefined or pre-configured time point Uplink data, the target ΤΉ corresponding to the handover indication information.

According to a twelfth aspect, the present invention provides a base station, including:

a first receiver, configured to receive the handover indication information sent by the radio network controller, where the second receiver is configured to receive a control channel that is sent by the user equipment and that carries the transport format combination, to determine that the user equipment has received the Switch the indication information.

With reference to the twelfth aspect, in a first possible implementation, the base station further includes a processor, where the second receiver is specifically configured to receive the user equipment in an enhanced dedicated physical control channel.

The processor is configured to confirm, according to the E-TFCI, that the user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved. Or, based on the TFCI, confirm that the user equipment has received the handover indication information, where the non-zero TFCI is predefined, or configurable.

With reference to the twelfth aspect, in a second possible implementation, the base station further includes a processor, where the second receiver is specifically configured to: when the current device of the user equipment is a 2 ms TTI, and the user equipment Receiving, by the user equipment, an enhanced dedicated physical control channel (E-DPCCH) that carries a first enhanced dedicated transport channel format merge indication (E-TFCI), where the power headroom UPH value sent to the base station is less than a first threshold; Or, when the current frame of the user equipment is a 10 ms TTI, and the UPH value sent by the user equipment to the base station is greater than a second threshold, receiving a second enhanced dedicated transport channel format merge indication sent by the user equipment ( Enhanced dedicated physical control channel (E-DPCCH) of E-TFCI);

The processor, configured to confirm, according to the first E-TFCI, that the user equipment has received the handover indication information, where the first E-TFCI is predefined or configurable; or The second E-TFCI confirms that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

With reference to the twelfth aspect, in a third possible implementation, the base station further includes a decoder, And the uplink data sent by the user equipment is started to be decoded by the target 在 at a predefined or pre-configured time point, where the target ΤΉ corresponds to the handover indication information.

The beneficial effects of the present invention are as follows:

In the embodiment of the present invention, the user equipment is pre-configured with a second TTI different from the first one and the first one, and the first configuration information corresponding to the first one and the second configuration information corresponding to the second TTI, as long as receiving After the handover indication information sent by the base station, the current TTI of the user equipment can be directly switched, and the target ΤΉ corresponding to the handover indication information is switched, and the data is sent to the base station by the target ,, so there is no need to be in the process of handover. The RNC sends the new configuration information to the base station again, so that the signaling interaction between the RNC and the base station is not required. Therefore, the TTI handover process in this embodiment is timely and the delay is small, so the 2ms TTI is avoided. When the OmsTTI is switched, the E-DCH data is lost or dropped, and the peak rate can be increased because the lOmsTTI can be switched to the 2ms TTI in time.

Further, the seventh to twelfth aspects of the present invention provide that after the user equipment receives the handover indication information of the UI, the user equipment sends a control channel carrying the transport format combination to the base station, so that the base station can determine the user based on the transport format combination. The device has received the handover indication information, so the base station can know the timing of the user equipment switching the TTI, and then can know when to decode the uplink data sent by the user equipment by using the target TTI corresponding to the handover indication information, so the base station does not need to In the prior art, after receiving the reconfiguration signaling of the RNC, the hardware resources of the base station are saved by attempting to parse the two types of ΤΉ before and after the handover. Therefore, the method in the embodiment of the present invention can save hardware resources of the base station. DRAWINGS

1 is a flow chart of a method for switching a chirp in the prior art;

2 is a flowchart of a method for handover of a UE on a UE side according to an embodiment of the present invention;

3 is a schematic diagram of transmitting data by a target 一 according to an embodiment of the present invention;

4 is a flowchart of a method for handover of a base station on a base station according to an embodiment of the present invention; FIG. 5 is a flowchart of an interaction method of T Ή handover according to an embodiment of the present invention;

6 is a functional block diagram of a user equipment according to an embodiment of the present invention;

FIG. 7 is a schematic diagram showing an example of hardware implementation of a user equipment according to an embodiment of the present invention; FIG.

FIG. 8 is a functional block diagram of a base station according to an embodiment of the present invention; FIG.

FIG. 9 is a schematic conceptual diagram of a hardware implementation of a base station according to an embodiment of the present invention; FIG.

FIG. 10 is a flowchart of an interaction method of a handover according to another embodiment of the present invention;

FIG. 11 is a functional block diagram of a user equipment according to another embodiment of the present invention;

FIG. 12 is a schematic diagram showing an example of a hardware implementation of a user equipment according to another embodiment of the present invention; FIG. 13 is a functional block diagram of a base station according to another embodiment of the present invention;

FIG. 14 is a schematic conceptual diagram of a hardware implementation of a base station according to another embodiment of the present invention. detailed description

An embodiment of the present invention provides a handover method, a base station, and a user equipment. The user equipment end and the base station end are pre-configured with a second UI different from the current first one. Therefore, the RNC does not need to be in the process of handover. Then, the new configuration information is sent to the base station, so that there is no need to perform multiple signaling interactions between the RNC and the base station. Therefore, in this embodiment, the handover can be triggered by the base station, so the handover process in this embodiment. In time, the delay is small, so E-DCH data loss or dropped calls are avoided when the 2ms TTI is switched to lOmsTTI, and the peak rate can be increased because the switching of lOmsTTI to 2ms TTI can be performed in time.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Various aspects are described herein in connection with user equipment and/or base stations and/or base station controllers.

The user equipment may be a wireless terminal or a wired terminal, and the wireless terminal may be a device that provides voice and/or data connectivity to the user, a handheld device with wireless connection function, or even Receive other processing devices from the wireless modem. The wireless terminal can be accessed via a wireless access network (eg,

RAN (Radio Access Network) communicates with one or more core networks, which may be mobile terminals, such as mobile phones (or "cellular" phones) and computers with mobile terminals, for example, may be portable, pocket-sized , handheld, computer built-in or in-vehicle mobile devices that exchange language and/or data with a wireless access network. For example, personal communication service (PCS), cordless telephone, session initiation protocol (SIP) telephone, wireless local loop (WLL) station, personal digital assistant (PDA), personal digital assistant (PDA), etc. . A wireless terminal may also be called a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, an Access Point, Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.

A base station (e.g., an access point) can refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface. The base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network. The base station can also coordinate attribute management of the air interface. For example, the base station may be a base station (BTS, Base Transceiver Station) in CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B) This application is not limited.

The base station controller may be a base station controller (BSC) in CDMA or a radio network controller (RNC) in WCDMA, which is not limited in this application.

In addition, the term "and/or" in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate: A exists separately, and A and B exist simultaneously. There are three cases of B alone. In addition, the character "/" in this article generally indicates that the contextual object is an "or" relationship.

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Embodiment 1

In this embodiment, the present invention is described on the UE side. Referring to FIG. 2, an embodiment of the present invention provides a method for switching, and the method includes the following steps:

Step 101: The user equipment receives the first configuration information corresponding to the first UI and the second configuration information corresponding to the second UI.

The first TTI is specifically 2 ms TTI, and the second TTI is specifically 10 ms TTI, that is, the first TTI and the second ΤΉ are both E under E-DCH.

However, in another embodiment, the first 第二 and the second ΤΉ may also belong to 不同 in different protocol versions, for example, the first l is lOmsTTI in E-DCH, and the second 20 is 20ms TTI in R99 DCH.

In the specific implementation process, the step 101 is specifically: the user equipment receives the first configuration information corresponding to the first TTI and the second configuration information corresponding to the second TTI that are sent by the RNC. The RNC may send the resource configuration information corresponding to the first 第二 and the second 向 to the UE by using dedicated RRC signaling. It should be noted that the first configuration information and the second configuration information may also be predefined, that is, the method of RNC configuration is preferred, and the RNC configuration is taken as an example.

In an actual application, the process of the RNC sending the first configuration information and the second configuration information to the UE may be the same or not, and correspondingly, in step 101, the UE receives the configuration information and the corresponding information corresponding to the first TTI. The second configuration information corresponding to the second TTI may or may not be simultaneous.

First, assume that the first TTI is 2msTTI and the second TTI is lOmsTTI, for example, at the initial

After the RRC connection is established, the RNC pre-configures the lOmsTTI information (here, the UE's current frame is 2msTTI) to the UE.

For example, the RNC determines the pre-configured lOmsTTI information based on the 6a event (here, the current UE of the UE is 2msTTI) to the UE, where the 6a event is that the total transmit power of the UE is greater than a preset threshold, then the UE reports the total The transmit power to the RNC, then the RNC can pre-configure the lOmsTTI information to the UE according to the 6a event decision.

In a further embodiment, when the RNC is transmitting the first configuration information and the second configuration information at the same time When the UE is given, the ΤΉ type currently used by the UE is also specified. In general, to prevent dropped calls, the RNC specifies that the UE currently using ΤΉ is 10msTTI.

Further, the first configuration information and the second configuration information sent by the RNC respectively include a set of enhanced dedicated channel media access control flow (E-DCH MAC-d flow) parameters corresponding to each TTI, for example, based on the E-DCH MAC. -d flow Identity (E-DCH MAC-d flow maximum number of retransmissions), ACK (positive acknowledgement) power offset NACK (negative acknowledgment) power offset or E-DPCCH/DPCCH power offset (the power offset of the data channel and the control channel); the first E-DCH MAC-d flow parameter corresponding to the first TTI, and the second configuration information includes the second第二 corresponding second E-DCH MAC-d flow parameter; further, may further include other parameters, for example, configuring a set of DTX (Discontinuous Transmission) parameters and/or for the first TTI and the second TTI The DRX (Discontinuous Reception) parameter is not limited in this application.

Further, the first configuration information and/or the second configuration information further includes, but is not limited to, a power for determining to transmit a control channel including the handover indication acknowledgement information. The TTI handover indication acknowledgement information is used to indicate that the user equipment has received the handover indication information.

Preferably, in another embodiment, before the step 101, the UE also reports the capability indication information that supports the TTI handover to the RNC. For example, the UE may report the capability indication information in the RRC CONNECTION SETUP COMPLETE message. .

Step 102: The user equipment receives the handover indication information sent by the base station.

Preferably, the base station notifies the UE to perform the handover by physical signaling, for example, notifying the UE to perform the TTI handover by using the HS-SCCH order. Of course, in actual applications, the handover indication information may also be sent to the UE through another physical signaling or non-physical signaling. How the base station decides when to send the handover indication information, and what handover indication information is sent, and how to transmit the handover indication information by using the High Speed Shared Control Channel Command (HS-SCCH order), which will be described later on the base station side. In the case, a detailed description will be made.

It should be noted that the handover indication may be used to indicate that the UE is in the R99 DCH and the E-DCH. Switching is performed between, but the present invention is described by taking an example of switching between E-DCH TTIs.

Step 103: The user equipment switches the current ΤΉ to the target TTI corresponding to the handover indication information, where the target TTI is the first TTI or the second TTI. That is, if the user equipment's ΤΉ is the first 在 before the handover, the target ΤΉ is the second TTI, and if the user equipment's ΤΉ is the second TTI before the handover, the target ΤΉ is the first TTI.

Step 104: The user equipment sends data to the base station with the target ΤΤΙ.

For example, if the first ΤΤΙ is 2msTTI, the second TTI is lOmsTTI, and the TTI of the user equipment before handover is 2msTTI, then the target TTI is lOmsTTI, then step 104 is specifically to send uplink data to the base station by lOmsTTI.

In practical applications, step 104 has various embodiments, which will be described in detail later.

It can be seen that the user equipment first receives the corresponding configuration information of different TTIs, and then after receiving the handover indication information sent by the base station, the user equipment can be directly switched and switched to The target ΤΉ corresponding to the indication information is switched, and the data is sent to the base station by using the target TTI. Therefore, the RNC does not need to send new configuration information to the base station during the handover process, so that multiple times between the RNC and the base station are not required. Therefore, the TTI handover process in this embodiment is timely and the delay is small, so that the E-DCH data is lost or dropped when the 2ms TTI is switched to the lOmsTTI, and because the lOmsTTI is switched to the 2ms TTI in time, Can increase the peak rate.

In the specific implementation process, after the step 102, the user equipment does not send the acknowledgement information to the base station, and the base station can ensure that the user equipment receives the retransmission handover indication information, specifically by setting the time period of retransmission or the number of retransmissions, for example, The instruction information is continuously retransmitted within Is, or continuously retransmitted 3 times. After receiving the handover indication information, the user equipment immediately performs step 103 and step 104. Correspondingly, after the base station sends the handover indication information, the base station uses two sets of resources to parse the E-DCH sent by the user equipment by using 2ms TTI and 10msTTI respectively. Upstream data.

However, in another embodiment, after step 102, before step 104, the handover method further includes the step 105: the user equipment sends the acknowledgement information to the base station to notify the base station that the user equipment has received or The handover indication information is not received.

In the first implementation of step 105, the user equipment feeds back ACK (Acknowledgment Positive Acknowledgement) information or NACK (Negative Acknowledge Negative Acknowledgement) information to the base station. If the handover indication information is correctly received, the user equipment sends an ACK message to the base station. If the handover indication information is not correctly received, the user equipment sends a NACK message to the base station.

In a second implementation manner of step 105, the user equipment carries an E-TFCH (E-DCH Transport Format Combination Indicator) in the E-DPCCH to indicate that the user equipment has received the handover indication information. , where the prohibited E-TFCI is predefined or configurable or reserved. For example, it can be configured through RNC, for example, using the 2ms TTI E-DCH TBS (Transport Block Size) table.

E-TFCL For example, the E-TFCI is reserved and cannot be used for normal data transmission. It is only used to indicate that the user correctly receives the handover indication information.

In a third implementation manner of step 105, the user equipment sends data or control information by using a UL (Uplink) scrambling code corresponding to the target 以 to indicate that the handover indication information has been correctly received. For example, when the RNC pre-configures the first configuration information and the second configuration information to the user equipment, two SUM codes SC1 and SC2 are configured for the two ΤΉ respectively; and the 2ms TTI is switched to the lOmsTTI as an example, when the UE correctly receives

After the HS-SCCH order, the uplink DPCCH is sent by SC2, and after detecting by the base station, the E-DCH is parsed using the target TTI. For the serving base station, after the HS-SCCH order is sent, two sets of resources need to be used to separately parse the uplink DPCCH according to SC1 and SC2.

In a fourth implementation manner of step 105, the user equipment uses the domain information in the DPCCH to indicate that the user equipment has correctly received the handover indication information. For example, the bit corresponding to the FBI (feedback information) can be used to indicate.

In a fifth implementation manner of step 105, the user equipment sends a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI) to indicate that the user equipment has received the handover indication information, where the non-zero TFCI is a pre- Defined, or configurable.

For example, when all services of the user equipment are carried in the E-DCH, and the current TTI type is

E-DCH 10ms, in which the TFCI field in the DPCCH is 0; when the UE receives the handover indication information (E-DCH 10ms ΤΉ switch to DCH 10ms ΤΉ handover indication information), then send a separate DPCCH carrying non-zero TFCI to instruct the UE to receive handover indication information; if the corresponding base station detects that the TFCI in the DPCCH is non-zero, the UE is considered as The handover indication information is correctly received, and the non-zero TFCI is predefined or configurable. It should be noted that the separate transmission referred to herein refers to the DPCCH channel being separately transmitted, and there is no accompanying dedicated physical data channel (DPDCH) channel transmission.

In the embodiment, in the embodiment, it is assumed that before the user equipment receives the handover indication information sent by the base station, the user equipment further sends a power headroom (UPH) to the base station, for example, when the user equipment is UPH. If the threshold is lower than the first threshold, the user equipment reports the UPH to the base station.

In this embodiment, the step 105 is specifically: when the current location of the user equipment is an E-DCH 2ms TTI, and the UPH value sent by the user equipment is less than the first threshold, the user equipment sends a first enhanced dedicated transport channel format merge indication. (E-TFCI) an enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, the first E-TFCI being predefined or configurable; or

When the current frame is 10 ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, the user equipment sends an enhanced dedicated physical control channel (E-DPCCH) carrying the second enhanced dedicated transport channel format merge indication (E-TFCI). ) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

When the ΤΉ type used by the user equipment is E-DCH 2ms TTI, and the UPH value sent by the user equipment is less than the first threshold, the user equipment sends the first indication after receiving the handover indication information that the E-DCH 2ms is switched to the 10ms TTI. An E-DPCCH of the E-TFCI, to indicate that the handover indication information has been received, the first E-TFCI is predefined or configurable; it should be noted that when the UPH is less than the first threshold, the user is in power Limiting or covering the restricted state, it is impossible to transmit the E-DCH data at a higher rate, that is, it is generally considered that the E-TFCI value is smaller at this time; therefore, when the UE receives the E-DCH 2ms switch to the 10ms TTI switching indication After the information is sent, the E-DPCCH carrying the first E-TFCI (the first E-TFCI value is large) is sent, and the base station can be instructed to receive the handover indication information correctly. Correspondingly, after transmitting the handover indication information that the E-DCH 2ms is switched to 10ms E, the base station detects the E-DPCCH channel carrying the E-TFCI of the larger value (ie, the first E-TFCI), Then, it is considered that the UE receives the handover indication information that the E-DCH 2ms is switched to 10 ms. The first E-TFCI can be used for E-DCH data transmission, but when the UPH is less than the first threshold, the UE does not select the first E-TFCI for E-DCH data transmission, so the UE can use the first E. - TFCI to indicate the handover indication information sent by the base station.

When the ΤΉ type used by the user equipment is the E-DCH 10ms TTI, and the UPH value sent by the user equipment is greater than the second threshold, after receiving the handover indication information, the user equipment sends the E-DPCCH carrying the second E-TFCI, To indicate that the handover indication information has been received, the second E-TFCI is predefined or configurable. It should be noted that when the UPH is greater than the second threshold, it indicates that the user is in the near-point or mid-point of the cell. At this time, it is impossible to transmit the E-DCH data at a smaller rate, that is, the E-TFCI value is generally considered to be larger at this time. After the UE receives the E-DCH 10ms switch to the 2ms handover indication information, the E-DPCCH carrying the second E-TFCI (the second E-TFCI value is smaller than the first E-TFCI) is sent. Correspondingly, after the E-DCH 10ms is switched to the 2ms handover indication information, the base station detects the E-DPCCH channel carrying the E-TFCI with a smaller value, and considers that the UE receives the E-DCH 10ms and switches to the TTI of 2ms. Switch messages.

In addition, regardless of the manner in which the step 105 sends the acknowledgement information to the base station in the manner of the foregoing four implementation manners, the user equipment sends the acknowledgement information to the base station within a maximum time after receiving the handover indication information, where the maximum time is predefined. Or configurable. For example, if the RNC configures a maximum time for the user equipment, the user equipment feeds back the confirmation information to the base station within the maximum time.

Next, the specific implementation process of step 104 will be described in detail. First, from the timing of step 104, if the target device is the first frame, for example, 2 ms TTI, when the user equipment sends data to the base station in the first TTI, the user The device sends data to the base station by using the first frame after the M subframes after the acknowledgment message is sent, where M is predefined or configurable, and M is an integer greater than or equal to zero; and if the target ΤΉ is the second TTI, for example In the case of lOmsTTI, when the user equipment sends data to the base station by using the second TTI, the user equipment sends the data to the base station after the next N CFNs after the acknowledgement information is sent, where N is predefined or configurable, N Is an integer greater than or equal to zero.

Wherein, M and N are configurable, for example, configured by the RNC to the user equipment, and are predefined as A fixed value in the protocol.

Second, there are various embodiments of the step 104 in terms of the manner of processing to the user plane. In the first implementation of step 104, the user equipment first clears the data in the HARQ (Hybrid Automatic Repeat Request) buffer before the step 104; the user equipment resets the uplink enhancement (MAC-i) /is) entity. The MAC-i/is entity is reset, for example, the variable TSN (Transmission Sequence Number) of the MAC layer is reset to 0. At the same time, because the data is emptied at the MAC layer, the RLC (Radio Link Control) layer on the user equipment side does not receive the RLC ACK sent by the network side, and then it is reconstructed in the RLC buffer. The uplink enhanced protocol data unit (MAC-i PDU), and the MAC-is/MAC-i PDU is retransmitted, that is, step 104 is performed.

At the same time, in order to avoid the out-of-order ordering of the RNC-side MAC-is according to the TSN, the uplink enhanced entity reset (MAC-is Reset) indication or the uplink enhanced entity weight is required to be carried in the E-DCH FP (Frame Protocol) or signaling. Set (MAC-i/is Reset) indication.

In the second implementation manner of step 104, the user equipment deletes the first uplink enhanced protocol data unit (MAC-i PDU) corresponding to the pre-switched TTI that is not successfully transmitted; the user equipment constructs the second MAC-i PDU corresponding to the target ,, The payload is the same in the second MAC-i PDU and in the first MAC-i PDU; the user equipment sends the second MAC-i PDU corresponding to the target ΤΉ.

As shown in FIG. 3, in this embodiment, for example, the ΤΉ before handover is 2 ms TTI, and then the target TTI is 10 ms TTI, then the MAC-i PDU corresponding to the 2 ms TTI that has not been successfully transmitted is deleted, and the MAC corresponding to the 10 ms TTI is constructed. -i PDU, but the payload remains the same as 2msTTI, but in order to match the 10ms TTI TBS table, padding bits need to be filled in. As shown in FIG. 3, as long as the MAC-i PDU of TSN=2 is retransmitted, the payload of the 2ms TTI is assumed to be 160 bits, but in order to match the TBS table of lOmsTTI, it is assumed that the payload of the TBS table of lOmsTTI is 166 bits, then the second MAC The -i PDU fills in the padding, which is 6bit, but the payload is still 160bit.

At the same time, the TSN does not reset and remains consistent with the 2msTTI. Therefore, in this embodiment, it is not necessary to trigger retransmission of the RLC layer.

In a third implementation manner of step 104, the user equipment is not successfully sent before the physical layer switches. The first data corresponding to the TTI is encoded as the second data corresponding to the target ;; the user equipment sends the second data.

That is, in this embodiment, the MAC-i PDU of the 2ms TTI that has not been successfully transmitted is not deleted, but is encoded and encoded into the lOmsTTI at the physical layer. The method requires that the first TTI and the second TTI use the same TBS table.

At the same time, the TSN does not reset and remains consistent with the 2msTTI. The method in this embodiment does not require triggering RLC layer retransmission.

In a fourth implementation manner of step 104, after receiving the handover indication information, the user equipment does not clear the data in the HARQ buffer, constructs the MAC-i PDU according to the target TTI type, and sends the data to the base station according to the target TTI type, and sends the MAC address to the base station; -i/is entity, reset TSN to 0. At the same time, in order to avoid the out-of-order ordering of the RNC-side MAC-is according to the TSN, the MAC-is reset indication or the MAC-i/is reset indication needs to be carried in the E-DCH FP (Frame Protocol) or signaling.

In another embodiment, after receiving the handover indication information, the user equipment processes the information to the user plane: after receiving the handover indication information, the new MAC-i PDU is not constructed, and the existing HARQ buffer is not cleared. The data in the area; when the data transmission in the existing HARQ buffer is completed, the user equipment sends the confirmation information of the handover indication information; the user equipment switches to the lOmsTTI after the next CF after the confirmation information is sent; The next CF after the confirmation message is considered to switch to 10msTTI. That is, as described above, the user equipment side is predefined or configured with a maximum time during which the user equipment transmits the data in the HARQ buffer in the maximum time, and then sends an acknowledgement message to the base station.

Embodiment 2

In this embodiment, the method for switching from the base station side is described. Referring to FIG. 4, the method includes:

Step 201: The base station receives the first configuration information corresponding to the first port and the second configuration information corresponding to the second port.

In a specific implementation process, the step 201 is specifically: the base station receives the first configuration information corresponding to the first 发送 sent by the RNC and the second configuration information corresponding to the second TTI. Among them, RNC can be wireless The link reconfiguration process sends the resource configuration information corresponding to the first ΤΉ and the second 向 to the base station. Further, the step 201 is similar to the step 101. The process of the RNC sending the first configuration information and the second configuration information to the base station may be the same or not. For details, refer to the description of step 101. .

In a further embodiment, when the RNC sends the first configuration information and the second configuration information to the base station at the same time, the ΤΉ type currently used by the UE is also specified. In general, in order to prevent dropped calls, the RNC specifies the current UE. The ΤΉ used is 10msTTI.

Further, the first configuration information and the second configuration information sent by the RNC respectively include a set of E-DCH MAC-d flow parameters corresponding to each TTI, that is, a first E-DCH MAC-d flow parameter corresponding to the first TTI, The second configuration information includes a second E-DCH MAC-d flow parameter corresponding to the second ;; further, other parameters may be included, for example, a set of DTX (Discontinuous Transmission) is configured for the first TTI and the second TTI, respectively. The parameters and/or DRX (Discontinuous Reception) parameters are not limited in this application.

Further, the first configuration information and/or the second configuration information includes, but is not limited to, determining, by the user equipment, the power of the control channel that includes the handover indication acknowledgement information, where the handover indication confirmation information is used to indicate that the user equipment has received Switch the indication information.

Preferably, in another embodiment, before the step 201, the base station also reports the capability indication information for supporting the TTI handover to the RNC. For example, the base station may report the capability indication information in the Audit Response message.

Step 202: The base station sends the handover indication information of the handover to the user equipment, so that the user equipment can perform step 103.

In a specific implementation process, the base station notifies the UE to perform a TTI handover through physical signaling, for example, notifying the UE to perform the handover by using the HS-SCCH order. Of course, in actual applications, the handover indication information may also be sent to the UE through other physical signaling or non-physical signaling.

As shown in Table 1, the current HS-SCCH order combination has been used:

It can be seen from Table 1 that Xeodtl, Xeodt2 is 11 and Xodtl, Xodt2, and Xodt3 are 010 (or 011, 100, etc.) can be used as switching indication information for ΤΉ switching.

Further, preferably, the HS-SCCH order can be triggered by the serving E-DCH cell of the user equipment in the E-DCH RLS set.

In a specific implementation, before the step 202, the method further includes: determining, by the base station, whether the user equipment needs to perform TTI handover, and obtaining a first determination result; when the first determination result indicates that the user equipment needs to perform handover, the base station generates a handover indication. information.

In actual use, the base station determines whether the user equipment needs to perform TTI handover, which can be implemented in various ways.

In the first embodiment, if the current ΤΉ of the user equipment is 2 ms TTI, it is determined whether the UPH is lower than the first threshold, and/or the uplink data rate (or the current E-TFCI selected by the user equipment) is lower than the second threshold. If the UPH is lower than the first threshold, and/or the uplink data rate (or the E-TFCI selected by the current TTI user equipment) is lower than the second threshold, it indicates that the user equipment needs to perform TTI handover, and triggers switching from 2msTTI to lOmsTTI. .

In the second embodiment, if the current TTI of the user equipment is 2 ms TTI, the base station counts whether the number of UPHs reported by the user equipments in the X Y are lower than the third threshold, where Y and Ν are both greater than or equal to 1 The integer is Χ less than or equal to Υ; and/or the uplink data rate (or the current E-TFCI selected by the user equipment) is lower than the second threshold; if there are X ΤΉ, the UPH reported by the user equipment is low. At the third threshold, and/or the uplink data rate (or the E-TFCI selected by the current user equipment) is lower than the second threshold, it indicates that the user equipment needs to perform the handover, and triggers the handover of 2ms TTI to 10msTTI.

In the foregoing two implementation manners, the first threshold and the third threshold may be the same or different.

In the third embodiment, if the current TTI of the user equipment is 10 msTTI, it is determined whether the UPH is higher than the fourth threshold, and/or the TEBS (buffer size) reported by the user equipment is higher than the fifth threshold, if the UPH is higher than The fourth threshold, and/or the TEBS reported by the user equipment is higher than the fifth threshold, then the user equipment needs to perform the handover, and triggers the lOmsTTI to 2msTTI. Switch.

In the fourth embodiment, if the current ΤΉ of the user equipment is 10 msTTI, the base station counts whether the UPHs reported by the user equipments in the S 高于 are higher than the sixth threshold, where S and P are both greater than or equal to 1. The integer value, P is less than or equal to S, and/or the TEBS reported by the user equipment is higher than the fifth threshold. If the number of UPHs reported by the user equipment in the P-TTIs is higher than the sixth threshold, and/or the user equipment reports The TEBS is higher than the fifth threshold, then it indicates that the user equipment needs to perform the handover, and triggers the handover of lOmsTTI to 2msTTI.

In the third embodiment and the fourth embodiment, the fourth threshold and the sixth threshold may be the same or different. In the above four manners, the first threshold and the fourth threshold may be the same or different, and the third threshold and the sixth threshold may be the same or different.

Of course, in actual application, the base station may also determine whether to perform the handover by using other parameters or algorithms, which is not limited in this application.

When the base station decides to perform the handover, the handover indication information is generated, and then the steps are performed.

202.

In a further embodiment, the method further comprises the step 203: the base station receiving the acknowledgement information sent by the user equipment. The acknowledgment information received by the eNB in step 203 corresponds to the acknowledgment information sent by the user equipment, and the acknowledgment information is described in detail in the foregoing method in the first embodiment, and is not described here.

Further, if the base station does not receive the acknowledgment information in the maximum time, the handover indication information is resent, that is, the step 202 is repeatedly performed, where the maximum time is predefined or configurable, for example, the RNC configures the base station with a maximum time. Then, the base station feeds back the confirmation information to the base station within the maximum time. In this embodiment, the maximum time that the RNC is configured for the user equipment and the maximum time configured for the base station are the same.

In a further embodiment, after step 202, before or after step 203, the method further comprises the step 204: the base station sends a MAC-i/is Reset indication or a MAC-is Reset indication to the RNC, so that the RNC sets the TSN to 0.

In a further embodiment, after step 202, before or after step 203, the party The method further includes the step 205: the base station sends the switched target TTI of the user equipment to the RNC. To inform the RNC user device of the current type of defect. For example, it can be indicated by FP frame or signaling (such as RADIO LINK RESTORE INDICATION or RADIO LINK PARAMETER UPDATE INDICATION).

In a further embodiment, after step 202, before or after step 203, the method further comprises: parsing the uplink data sent by the user equipment by using the target ΤΉ.

In order to be compatible with the RRC signaling triggered handover procedure in the prior art, and to ensure that only one node controls the handover, the RNC is allowed to turn off the handover mode triggered by the base station, and then the RNC controls the handover of the TTI, for example, in the user equipment. When the soft handoff area is moved, the base station is notified to turn off the base station triggered TTI handover. Therefore, the base station has an operation mode for turning off the TTI handover and an operation mode for turning on the TTI handover, and in the working mode in which the base station is in the on/off handover, step 202 is performed.

Further, the base station receives the indication information sent by the radio network controller, and switches the working mode of the base station from the TTI switch-off to the operation mode of the switch-on, or switches the work mode of the base station from the switch to the switch mode. .

In practical applications, the RNC has, but is not limited to, the following two types of indication information: The first type is indicated by reconfiguring the related configuration information with or without the pre-configured message; the second type is by re-allocating the message. A display switch indication is added. When the TTI switching mode of the base station is to be turned off, the configuration information of the provisioning port may not be deleted.

For example, the RNC instructs the base station to turn off the TTI switch by RADIO LINK RECONFIGURATION REQUEST/Response. Optionally, the base station is in RADIO LINK RECONFIGURATION

The Response feeds back the target ΤΉ type currently used by the user device.

Further, in order to be applied to the soft handover domain, the method further includes: transmitting, by the base station, indication information to the radio network control, so that the radio network controller sends the indication information to the non-serving base station, so that the non-serving base station Switch to the target TTI after switching.

Preferably, the indication information includes time information switched to the target ΤΉ.

The following is a specific example to illustrate the chirp switching method in the present invention. The station is in the working mode of the on/off switch. Referring to FIG. 5, the method includes: Step 301: The UE and the base station report the capability indication for supporting the handover to the RNC.

Step 302: RNC side decision pre-matching ΤΤΙ;

Step 303: The UE and the base station initially configure the 2ms TTI configuration parameter, and pre-configure the lOmsTTI configuration parameter.

Step 304: The base station determines to trigger the 2ms TTI to switch to lOmsTTI;

Step 305: The base station sends an HS-SCCH order trigger switch.

Step 306: The UE performs a handover;

Step 307: The UE feeds back confirmation information to the base station.

Step 308: The base station sends a MAC-is reset indication to the RNC. Optionally, it may also be a sending or MAC-i/is Reset indication.

Step 309: The base station feeds back to the RNC the currently used TTI.

Step 310: The RNC decides to disable the TTI handover triggered by the base station.

Step 311: The RNC notifies the base station to turn off the handover;

Step 312: The base station is turned off, and optionally, the current used TTI is also fed back to the RNC; Step 313: The RNC controls the handover.

The steps 301 to 312 are described in detail in the second embodiment of the first embodiment, and therefore are not described here. For the step 313, refer to the method flow in FIG.

It should be noted that the RNC may perform the handover and send the handover indication information to the base station. The base station sends the handover indication information to the UE in the foregoing manner, and the subsequent steps are the same as the foregoing solution. The scheme has the beneficial effects of reducing the signaling interaction between the base station and the RNC side. For example, in the prior art, the RNC notifies the base station to perform TTI handover through the RADIO LINK RECONFIGURATION PREPARE, the RADIO LINK RECONFIGURATION Ready, and the Radio Link Reconfiguration Confirm. In this solution, only A signaling is required to inform the base station to perform a handover. Therefore, the technical problem that the switching delay is large in the prior art can also be solved.

In addition, in this solution, the RNC can simultaneously notify the non-serving base station in the E-DCH RLS set to perform TTI handover. Embodiment 3

Based on the same design, the embodiment of the present invention further provides a user equipment. As shown in FIG. 6, the user equipment includes: a first receiving unit 401, configured to receive first configuration information corresponding to the first UI and corresponding to the second UI The second receiving unit 402 is configured to receive the switching indication information sent by the base station, and send the switching indication information to the switching unit 403. The switching unit 403 is configured to receive the switching indication information from the second receiving unit 402. And the current ΤΉ is switched to the target TTI corresponding to the handover indication information, where the current TTI is one of the first TTI and the second TTI, and the target TTI is another one of the first TTI and the second TTI; the first sending unit 404 , used to send data to the base station with the target TTI.

Preferably, the first TTI is specifically 2 ms TTI, and the second TTI is specifically 10 ms TTI.

Preferably, the user equipment further includes: a second sending unit, configured to send the acknowledgement information to the base station. In the first embodiment, the second sending unit is specifically configured to feed back ACK information or NACK information to the base station.

In the second implementation, the second sending unit is specifically configured to carry the E-TFCI that is prohibited from being used in the E-DPCCH to indicate that the user equipment has received the target TTI, where the prohibited E-TFCI is predefined or Configured or reserved; or

For transmitting a separate Physical Control Channel (DPCCH) carrying a Non-Zero Transport Channel Format Consolidation Indication (TFCI) to indicate that the user equipment has received handover indication information, wherein the non-zero TFCI is predefined or configurable.

In the third embodiment, the second sending unit is specifically configured to send the control information or data by using the uplink scrambling code corresponding to the target , to indicate that the handover indication information has been received.

In the fourth embodiment, the second sending unit is specifically configured to use the domain information in the DPCCH to indicate that the user equipment has received the handover indication information.

In a fifth implementation manner, the second sending unit is configured to: when the current UI is 2 ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is less than the first threshold, and the sending carries the first enhanced dedicated transport channel format. An enhanced dedicated physical control channel (E-DPCCH) of the merge indication (E-TFCI) to indicate that the user equipment has received the handover indication information, the first E-TFCI is a reservation Meaningful or configurable; or,

When the current time is 10ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is greater than the second threshold, the enhanced dedicated physical control channel carrying the second enhanced dedicated transport channel format merge indication (E-TFCI) is transmitted (E -DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

Further, regardless of which embodiment is used to send the acknowledgment information, the second sending unit is specifically configured to send the acknowledgment information to the base station within a maximum time after receiving the handover indication information, where the maximum time is predefined or configurable.

Preferably, the first sending unit 404 is specifically configured to: when transmitting data to the base station by using the first TTI, the first sending unit 404 sends the first frame after the next M subframes after the second sending unit sends the acknowledgement information. Data to the base station, where M is predefined or configurable, and M is an integer greater than or equal to zero;

When the data is sent to the base station by using the second ΤΉ, the first sending unit 404 sends the data to the base station by using the second ΤΉ after the second sending unit sends the acknowledgment information, where N is predefined or configurable. , N is an integer greater than or equal to zero. For example, if the first ΤΉ is 2 ms TTI and the second ΤΉ is 10 ms TTI, then if the target TTI is the first ,, that is, 2 ms TTI, then it is switched from 10 ms TTI, so after the acknowledgment message is sent, the next M subframes, For example, the next subframe can use 2msTTI to send data to the base station; if the target ΤΉ is the second ΤΉ, that is, lOmsTTI, then it is switched from 2msTTI to lOmsTTI, so the next N CFs after the confirmation message is sent, for example, the next CF The data can then be sent to the base station using 1 OmsTTI.

Preferably, the user equipment further includes: a processing unit, configured to: before the first sending unit 404 sends the data to the base station by using the target TTI, clear the data in the HARQ buffer; and reset the MAC-i/is entity. The MAC-i/is entity is reset, for example, the variable TSN (Transmission Sequence Number) of the MAC layer is reset to 0. At the same time, because the data is emptied at the MAC layer, the RLC (Radio Link Control) layer on the user equipment side does not receive the RLC ACK sent by the network side, and then it is reconstructed in the RLC buffer. MAC-is/MAC-i PDU, and retransmitting the MAC-is/MAC-i PDU, that is, the first sending unit 404 The standard TTI transmits data to the base station.

In another embodiment, the first sending unit 404 is specifically configured to: delete a first M AC-i PDU corresponding to a TTI that is not successfully transmitted before the handover; and construct a second M AC-i PDU corresponding to the target TTI, where In the second MAC-i PDU and in the first MAC-i PDU, the payload is the same; and the second MAC-i PDU corresponding to the target TTI is transmitted.

In a further embodiment, when the same TBS table is used under the first frame and the second frame, the user equipment further includes: a coding unit, configured to correspond to the first TTI that is not successfully sent in the physical layer. The first data is encoded as the second data corresponding to the second frame, and the second data is sent to the first sending unit 404. The first sending unit 404 is specifically configured to receive the second data from the encoding unit and send the second data.

In a further embodiment, the user equipment further includes: a processing unit, configured to, after the second receiving unit 402 receives the handover indication information sent by the base station, construct the data in the HARQ buffer as the MAC-i PDU corresponding to the target ΤΉ ; and reset the MAC-i/is entity, setting TSN to 0.

Preferably, the user equipment further includes: a third sending unit, configured to send capability indication information that supports the handover. For example, before the first receiving unit 401 receives the first configuration information corresponding to the first UI and the second configuration information corresponding to the second UI, the third sending unit sends the capability indication information supporting the handover to the RNC.

Preferably, the second receiving unit 402 is specifically configured to receive the HS-SCCH order sent by the base station, that is, the handover indication information is represented by an HS-SCCH order.

In the foregoing embodiments, the first configuration information includes a first E-DCH MAC-d flow parameter corresponding to the first TTI, and the second configuration information includes a second E-DCH MAC-d flow parameter corresponding to the second ΤΉ.

Further, the first configuration information further includes a first DTX parameter and/or a first DRX parameter corresponding to the first TTI, and the second configuration information further includes a second DTX parameter and/or a second DRX parameter corresponding to the second TTI.

In the above embodiment, the first receiving unit 401 and the second receiving unit 402 may be the same one, or may be different receiving units; and the first sending unit 404 to the third sending unit may It is the same sending unit, and it can also be a sending unit that is different from each other.

In the above embodiments, they may be implemented in combination with each other without conflict.

The various changes and specific examples in the foregoing method for switching the ΤΉ in the embodiment of FIG. 2 are also applicable to the user equipment in this embodiment. Through the foregoing detailed description of the TTI switching method, those skilled in the art can clearly understand the embodiment. The implementation method of the user equipment, so for the cleaning of the specification, it will not be described in detail here.

Embodiment 4

This embodiment provides a user equipment. Referring to FIG. 7, a conceptual diagram of an example implementation of hardware of a user equipment, where the user equipment includes:

The receiver 503 is configured to receive the first configuration information corresponding to the first UI and the second configuration information corresponding to the second UI, and receive the handover indication information sent by the base station, where the processor 501 is configured to: according to the handover indication information, Switching to a target TTI corresponding to the handover indication information, where the current TTI is one of the first ΤΉ and the second ,, the target ΤΉ is the other of the first ΤΉ and the second ;; the transmitter 504 is configured to target ΤΉ Send data to the base station.

Wherein, in FIG. 7, a bus architecture (represented by bus 500), bus 500 can include any number of interconnected buses and bridges, and bus 500 will include one or more processors and memory 502 represented by processor 501. The various circuits of the memory are linked together. The bus 500 can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein. Bus interface 505 provides an interface between bus 500 and receiver 503, transmitter 504. Receiver 503 and transmitter 504 may be the same component, i.e., a transceiver, providing means for communicating with various other devices on a transmission medium. Depending on the nature of the user device, a user interface 506 can also be provided, such as a keypad, a display, a speaker, a microphone, a joystick.

The processor 501 is responsible for managing the bus 500 and the usual processing, and the memory 502 can be used to store data used by the processor 501 when performing operations.

Preferably, the transmitter 504 is further configured to send an acknowledgement message to the base station. In an embodiment, the transmitter 504 is specifically configured to feed back ACK information or NACK information to the base station.

In another embodiment, the transmitter 504 is specifically configured to: in the E-DPCCH, carry the forbidden E-TFCI to indicate that the user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or Configured or reserved; or used to transmit a separate Physical Control Channel (DPCCH) carrying a Non-Zero Transport Channel Format Consolidation Indication (TFCI) to indicate that the user equipment has received handover indication information, where the non-zero TFCI is predefined , or configurable.

In another embodiment, the transmitter 504 is specifically configured to: when the current TTI is 2 ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is less than the first threshold, the sending carries the first enhanced dedicated transport channel format merge An enhanced dedicated physical control channel (E-DPCCH) indicating (E-TFCI) to indicate that the user equipment has received the handover indication information, the first E-TFCI being predefined or configurable; or

In still another embodiment, the transmitter 504 is specifically configured to send control information or data with an uplink scrambling code corresponding to the target 以 to indicate that the handover indication information has been received.

In a further embodiment, the transmitter 504 is specifically configured to use the domain information in the DPCCH to indicate that the user equipment has received the handover indication information.

From another point of view, regardless of the form of the acknowledgment information, the transmitter 504 is specifically configured to send the acknowledgment information to the base station within a maximum time after receiving the handover indication information, wherein the maximum time is predefined or configurable.

Preferably, the transmitter 504 is further configured to:

When the data is sent to the base station by using the first frame, the data is sent to the base station by using the first frame after the M subframes after the acknowledgement information is sent, where M is predefined or configurable, and M is greater than or equal to zero. Integer When the data is sent to the base station by the second frame, the data is sent to the base station by using the second frame after the next CF is sent, where Ν is predefined or configurable, and Ν is an integer greater than or equal to zero.

Preferably, the processor 501 is further configured to clear data in the HARQ buffer; and reset the MAC-i/is entity to set the TSN to zero.

Preferably, the processor 501 is further configured to construct the data in the HARQ buffer as the target MAC-i PDU; reset the MAC-i/is entity, and set the TSN to 0.

Preferably, the processor 501 is further configured to delete the first MAC-i PDU corresponding to the 前 before the successful handover, and construct the second MAC-i PDU corresponding to the target TTI, where the second MAC-i PDU is in the second MAC-i PDU. And in the first MAC-i PDU, the payload is the same; the transmitter 504 is configured to send the second MAC-i PDU corresponding to the target TTI.

Preferably, the user equipment further includes an encoder, coupled to the processor 501, for encoding, in the physical layer, the first data corresponding to the target before the unsuccessful handover is the second data corresponding to the target ;; Send the second data.

Preferably, the transmitter 504 is further configured to send capability indication information that supports TTI handover.

Preferably, the receiver 503 is further configured to receive the HS-SCCH order sent by the base station.

The various changes and specific examples in the foregoing method for switching the ΤΉ in the embodiment of FIG. 2 are also applicable to the user equipment in this embodiment. Through the foregoing detailed description of the TTI switching method, those skilled in the art can clearly understand the embodiment. The implementation method of the user equipment, so for the cleaning of the specification, it will not be described in detail here. Embodiment 5

In this embodiment, a base station is provided. As shown in FIG. 8, the base station includes:

The first receiving unit 601 is configured to receive the first configuration information corresponding to the first TTI and the second configuration information corresponding to the second TTI. The first sending unit 602 is configured to send the handover indication information of the handover to the user equipment.

Preferably, the base station further includes: a second receiving unit, configured to receive the acknowledgement information sent by the user equipment.

Preferably, the first sending unit 602 is further configured to: if the base station does not receive the acknowledgement information within the maximum time, retransmit the handover indication information, where the maximum time is predefined or configurable.

Preferably, the base station further includes: a second receiving unit, configured to receive an enhanced dedicated transport channel format merge indication (E-TFCI) that is prohibited by the user equipment in the enhanced dedicated physical control channel (E-DPCCH); or a physical control channel (DPCCH) for receiving a non-zero transport channel format merge indication (TFCI) sent by the user equipment, and a processing unit, configured to confirm, according to the E-TFCI, that the user equipment has received the handover indication information, where The used E-TFCI is predefined or configurable or reserved; or, for confirming that the user equipment has received the handover indication information based on the non-zero TFCI, wherein the non-zero TFCI is predefined, or configurable .

Preferably, the base station further includes: a second receiving unit, configured to: when the current frame is 2 ms TTI, and the power headroom (UPH) value received by the base station is less than the first threshold, and receive the first enhanced dedicated transmission sent by the user equipment An enhanced dedicated physical control channel (E-DPCCH) of the channel format combining indication (E-TFCI) or for when the current ΤΉ type is 10 ms TTI, and the power headroom (UPH) value received by the base station is greater than a second threshold, receiving An enhanced dedicated physical control channel (E-DPCCH) carried by the user equipment carrying a second enhanced dedicated transport channel format merge indication (E-TFCI);

a processing unit, configured to confirm, according to the first E-TFCI, that the user equipment has received the handover indication information, where the first E-TFCI is predefined or configurable; or, for confirming, by the second E-TFCI, that the user equipment has received To the handover indication information, the second E-TFCI is predefined or configurable. Preferably, the base station further includes: a second sending unit, configured to send to the radio network controller

MAC-i/is Reset indication or MAC-is Reset indication.

Preferably, the base station further includes: a third sending unit, configured to send the switched target TTI of the user equipment to the radio network controller.

Preferably, the base station has an operation mode of turning off the handover and an operation mode of the on/off handover, and the first sending unit 602 is specifically configured to send the handover indication information of the TTI handover to the user equipment in the working mode in which the base station is in the on/off handover mode. .

Preferably, the base station further includes: a third receiving unit, configured to: receive the indication information sent by the radio network controller, and send the indication information to the switching unit, in the working mode in which the base station is in the closed/switching mode; The working mode in which the base station is switched from being turned off is switched to the operating mode in which the switching is started based on the indication information.

Preferably, the base station further includes: a fourth sending unit, configured to send capability indication information supporting the handover to the radio network controller.

Preferably, the base station further includes: a fifth sending unit, configured to send the indication information to the wireless network control, so that the radio network controller sends the indication information to the non-serving base station, so that the non-serving base station switches to the target TTI after the handover. In this embodiment, it can be applied to a soft switching area.

Further, the indication information includes time information for switching to the target ΤΤΙ.

In the above embodiment, the first receiving unit 601 to the third receiving unit may be the same one, or may be two different receiving units; and the first sending unit 602 to the fifth sending unit may be the same sending unit. It can also be a sending unit that is different from each other.

The various changes and specific examples in the foregoing ΤΉ handover method in the embodiment of FIG. 4 are also applicable to the base station in this embodiment. The detailed description of the foregoing handover method can be clearly known to those skilled in the art. The implementation method of the base station, so for the cleaning of the specification, it will not be described in detail here.

Embodiment 6

In this embodiment, a base station is provided. Please refer to FIG. 9, which is a block diagram of a hardware implementation example of a base station. The base station includes:

The receiver 701 is configured to receive the first configuration information corresponding to the first UI and the second configuration information corresponding to the second UI. The transmitter 702 is configured to send the handover indication information of the handover to the user equipment.

In FIG. 9, in downlink communications, transmit processor 705 can receive data from a data source and receive control information from processor 704. Transmit processor 705 provides various signal processing functions for the data, control information, and reference signals, for example, transmit processor 705 can encode. Transmit processor 705 provides the generated symbols to transmit frame processor 430 to create a frame structure resulting in a series of frames. These frames are then provided to a transmitter 702 which provides various signal conditioning functions including amplification, filtering, and modulating the frame onto a carrier for transmission over the wireless medium via antenna 703.

The receiver 701 receives the data through the antenna 703 and processes the data to restore the information modulated onto the carrier, and the information recovered by the receiver 701 is supplied to the receiving frame processor 709, which parses each frame, and the receiving processor 710 The frame is decoded and the successfully decoded control signal is provided to the processor 704. If some frames are not successfully decoded by the receive processor 710, the processor 704 can also support those frames using the ACK and/or NACK protocols. Retransmission request.

The processor 704 can provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. Memory 707 can be used to store data and software for the base station.

Preferably, the receiver 701 is further configured to: receive the acknowledgement information sent by the user equipment.

Preferably, the transmitter 702 is further configured to: if the base station does not receive the acknowledgement information within the maximum time, retransmit the handover indication information, where the maximum time is predefined or configurable.

Preferably, the base station further includes: a first processor, where the receiver 701 is further configured to: receive an enhanced dedicated transport channel format merge indication that is prohibited by the user equipment from being carried in the enhanced dedicated physical control channel (E-DPCCH) ( E-TFCI); or, for receiving a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI) sent by the user equipment; the first processor is configured to confirm that the user equipment has received based on the E-TFCI Handover indication information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or, for confirming the user based on the non-zero TFCI The device has received the handover indication information, wherein the non-zero TFCI is predefined or configurable. Preferably, the base station further includes: a first processor, where the receiver 701 is further configured to: when the current TTI is 2 ms TTI, and the power headroom (UPH) value received by the base station is less than the first threshold, and the receiving user equipment sends An enhanced dedicated physical control channel (E-DPCCH) carrying the first enhanced dedicated transport channel format combining indication (E-TFCI) or for the current ΤΉ type of 10 ms 并且, and the power headroom received by the base station (UPH) And the value is greater than the second threshold, and receives an enhanced dedicated physical control channel (E-DPCCH) that is sent by the user equipment and carries a second enhanced dedicated transport channel format merge indication (E-TFCI); the first processor is configured to: be based on the first E-TFCI Confirming that the user equipment has received the handover indication information, the first E-TFCI is predefined or configurable; or, for confirming that the user equipment has received the handover indication information based on the second E-TFCI, the second E-TFCI is Predefined or configurable.

Preferably, the transmitter 702 is further configured to: send a MAC-i/is Reset indication or a MAC-is Reset indication to the radio network controller.

Preferably, the transmitter 702 is further configured to: send the switched target of the user equipment to the wireless network controller.

Preferably, the base station has an operation mode of turning off the handover and an operation mode of enabling the handover, and the transmitter 702 is specifically configured to: send the handover indication information of the handover to the user equipment in the working mode in which the base station is in the on/off handover.

Further, the receiver 701 is configured to receive the indication information sent by the radio network controller in the working mode in which the base station is in the off-hook mode; the base station further includes a processor 704, configured to: switch the working mode of the base station from the closed port to the on mode. ΤΉ Switching mode of operation.

Preferably, the transmitter 702 is configured to send the capability indication information supporting the handover to the radio network controller.

Preferably, the transmitter 702 is configured to send indication information to the wireless network control, so that the radio network controller sends the indication information to the non-serving base station, so that the non-serving base station switches to the target TTL after the handover.

Further, the indication information includes time information for switching to the target TTI.

In the above embodiments, they may be implemented in combination with each other without conflict. The various changes and specific examples in the foregoing ΤΉ handover method in the embodiment of FIG. 4 are also applicable to the base station in this embodiment. The detailed description of the foregoing handover method can be clearly known to those skilled in the art. The implementation method of the base station, so for the cleaning of the specification, it will not be described in detail here.

In the embodiment of the present invention, the user device is pre-configured with a second TTI different from the first TTI, and the first configuration information corresponding to the first UI and the second configuration information corresponding to the second UI, as long as receiving After the handover indication information sent by the base station, the current TTI of the user equipment can be directly switched, and the target TTI corresponding to the handover indication information is switched, and the data is sent to the base station by the target ,, so there is no need to be in the process of handover. The RNC sends the new configuration information to the base station again, so that the signaling interaction between the RNC and the base station is not required. Therefore, the handover process in this embodiment is timely and the delay is small, so the 2ms TTI is avoided. When the OmsTTI is switched, the E-DCH data is lost or dropped, and the peak rate can be increased because the lOmsTTI can be switched to the 2ms TTI in time.

In another aspect of the present invention, the TTI handover may be triggered by the base station controller (RNC) for asynchronous reconfiguration. The advantage of this method is that the TTI handover can be performed quickly. The RNC triggering handover procedure will be described in detail below.

As shown in FIG. 10, it is a flowchart of a method for switching between an RNC, a base station, and a UE. The method includes:

Step 801: The RNC sends TTI handover indication information to the UE and the base station.

Step 802: The UE receives the handover indication information sent by the RNC.

Step 803: The base station receives the handover indication information sent by the RNC.

Step 804: The UE sends a control channel carrying a transport format combination for the handover indication acknowledgement to the base station;

Step 805: The base station receives a control channel that is sent by the UE and carries a combination of transmission formats for the handover indication acknowledgement.

Step 806: The UE switches to the target TTI corresponding to the handover indication information at a predefined or pre-configured time point; Step 807: The base station decodes the uplink data sent by the UE by using the target at a predefined or pre-configured time point.

Step 808: The UE sends a handover complete message to the RNC with the target ΤΉ.

In the seventh embodiment, the user equipment side is taken as an example, the method for the handover includes: step 802, step 804, and further, step 806; further, step 808 may be further included.

The eighth embodiment, that is, taking the base station side as an example, the handover method includes: Step 803, step 805, and further, step 807 is further included.

The implementation of the ΤΉ switching method in this embodiment will be described in detail below.

First, in step 801, the RNC sends the handover indication information to the UE and the base station. In actual operation, the handover indication information sent by the RNC to the UE may be a radio bearer setup message (RADIO BEARER SETUP) or a radio bearer reconfiguration message (RADIO BEARER) RECONFIGURATION or Transport CHANNEL RECONFIGURATION, the TTI handover indication message sent by the RNC to the base station may be a radio link reconfiguration message (RADIO LINK RECONFIGURATION REQUEST).

Further, the handover indication message is used to indicate that the UE switches from the E-DCH 2ms TTI to the E-DCH 10ms TTI, or is used to indicate that the UE switches from the E-DCH 10ms TTI to the E-DCH 2ms TTI, or is used to indicate the UE. Switch from the E-DCH 10ms TTI to the R99 DCH channel.

Optionally, the TTI handover indication information includes a first gain factor and a second gain factor, where the first gain factor is used to determine a power of the control channel when the user equipment sends the handover indication confirmation information that is not included, for example, to determine the accompanying transmission. The power of the control channel (DPCCH or E-DPCCH) when the data channel (DPDCH or E-DPDCH) is used; the second gain factor is used to determine the power of the control channel (DPCCH or E-DPCCH) that the user equipment transmits the handover indication acknowledgement information . The advantage that the at least two gain factors are included in the handover indication information is that, after the user equipment receives the handover indication information, the control channel carrying the transmission format combination of the handover indication acknowledgement information is transmitted with greater power, so that the base station is correct. The control channel is decoded to determine when the user equipment switches to the target ΤΤΙ.

Corresponding to the UE side, step 802 is performed, that is, the radio network controller RNC is sent. Switch the indication information.

Corresponding to the base station side, step 803 is performed, that is, the TTI handover indication information sent by the radio network controller RNC is received. In the actual operation, the steps 802 and 803 may be performed at the same time, or may be performed at different times, depending on the communication status of the communication network.

Next, the UE performs step 804 to transmit a control channel carrying the transport format combination to the base station, so that the base station can determine that the user equipment has received the handover indication information based on the transport format combination.

In an actual application, the step 804 has multiple implementation manners, which are specifically illustrated as follows: In the first implementation manner, step 804 is specifically for carrying an enhanced dedicated transport channel format that is prohibited from being used in the enhanced dedicated physical control channel (E-DPCCH). The merge indication (E-TFCI) indicates that the user equipment has received the handover indication information, wherein the prohibited E-TFCI is predefined or configurable or reserved. For example, it can be configured through the RNC, for example, using the E-TFCL in the 2ms TTI E-DCH TBS (Transport Block Size) table. For example, the E-TFCI is reserved and cannot be used for normal data. The transmission is only used to instruct the user to correctly receive the handover indication information. Or

The user equipment sends a separate Physical Control Channel (DPCCH) carrying a Non-Zero Transport Channel Format Consolidation Indication (TFCI) to indicate that the user equipment has received handover indication information, wherein the non-zero TFCI is predefined or configurable.

For example, when all the services of the user equipment are carried in the E-DCH, and the TTI type currently used by the user equipment is E-DCH 10 ms, the TFCI in the DPCCH is 0 because there is no R99 service; when the UE receives the handover indication information ( The E-DCH 10ms TTI is switched to the DCH 10ms TTI handover indication information), and the separate DPCCH carrying the non-zero TFCI is sent to instruct the UE to receive the handover indication information; the corresponding base station detects that the TFCI in the DPCCH is a non-zero value, Then, it is considered that the UE correctly receives the handover indication information, and the non-zero TFCI is predefined or configurable. It should be noted that the separate transmission referred to herein means that the DPCCH channel is separately transmitted, and there is no accompanying dedicated physical data channel (DPDCH) channel transmission.

For another example, when the user equipment receives the handover indication information, and the handover indication information indicates that the UE switches the E-DCH 10ms TTI from the E-DCH 2ms, the user equipment only sends the E-DPCCH. Send E-DPDCH. Optionally, the E-TFCI included in the E-DPCCH is not used for normal data transmission, and the E-TFCI may be predefined or configurable; optionally, to ensure that the E-DPCCH is detected by the base station. The user equipment may transmit the E-DPCCH with the maximum power allowed, or determine the transmit power of the E-DPCCH with the second gain factor described above. This method can also be applied to the switching of E-DCH to R99 DCH.

For another example, when the user equipment receives the handover indication information, and the handover indication information indicates that the UE switches from the E-DCH 10ms to the R99 DCH, the user equipment only sends the DPCCH and does not send the DPDCH. Before the handover, the TFCI carried in the DPCCH channel is a predefined value, for example, 0; after receiving the handover indication information, the user equipment sends a separate DPCCH, and the single DPCCH carries a non-zero value; If the DPCCH channel of the non-zero value TFCI is carried, it can be determined that the user equipment has received the handover indication information, and then the timing of the user equipment switching to the R99 DCH can be determined. This method can also be applied to the switching of E-DCH 2msTTI and E-DCH 10ms TTI.

Optionally, in order to ensure that the DPCCH is detected by the base station, the user equipment sends the DPCCH at the maximum allowed power, or determines the power of the DPCCH by using the second gain factor.

In the second implementation, step 804 is specifically: when the current state of the user equipment is 2 ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than the first threshold, the user equipment sends the first enhanced dedicated transport channel. An enhanced dedicated physical control channel (E-DPCCH) of the format merge indication (E-TFCI) to indicate that the user equipment has received the handover indication information, the first E-TFCI being predefined or configurable; or

When the current frame of the user equipment is 10 ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, the user equipment sends an enhanced dedicated physical control channel carrying the second enhanced dedicated transport channel format merge indication (E-TFCI) ( E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

Specifically, when the UPH is smaller than the first threshold, the user is in a power limited or coverage limited state, and it is impossible to transmit the E-DCH data at a higher rate, that is, the E-TFCI value is generally considered to be small at this time. Therefore, when the UE receives the handover indication information that the E-DCH 2ms is switched to the 10ms TTI, the UE transmits the E-DPCCH carrying the first E-TFCI (the first E-TFCI value is large), and the base station can be indicated. The UE correctly receives the handover indication information. Correspondingly, after the base station sends the E-DCH 2ms switch to the 10ms TTI handover indication information, and detects the E-DPCCH channel carrying the larger E-TFCI (ie, the first E-TFCI), the UE considers that the UE receives the E. -DCH 2ms is switched to 10ms of TTI handover indication information. The first E-TFCI can be used for E-DCH data transmission, but when the UPH is less than the first threshold, the UE does not select the first E-TFCI for E-DCH data transmission, so the UE can use the first E. - TFCI to indicate the handover indication information sent by the base station.

When the UPH is greater than the second threshold, it indicates that the user is in the near-point or mid-point of the cell. At this time, it is impossible to transmit the E-DCH data at a smaller rate, that is, the E-TFCI value is generally considered to be larger at this time; when the UE receives After the E-DCH 10ms is switched to the 2ms handover indication information, the transmission carries the second E-TFCI (the second E-TFCI value is smaller, smaller than the first E-TFCI; or the E-DCH transport block size table E- E-DPCCH of the minimum value in the DCH Transport Block Size Table). Correspondingly, after the E-DCH 10ms switch to the 2ms handover indication information, the base station detects the E-DPCCH channel carrying the E-TFCI with a smaller value, and considers that the UE receives the E-DCH 10ms switch to 2ms. Switch messages.

Steps corresponding to the base station side are step 805, and receiving a control channel that carries the transport format combination sent by the UE, so as to determine that the user equipment has received the handover indication information, because the two parties have agreed to receive the handover indication information. The radio frame is switched to the target ΤΉ, for example, at a predefined or pre-configured time point, so the base station can determine the timing of the user equipment using the target ,, and then can know when to decode with the target TTI corresponding to the handover indication information. The uplink data sent by the user equipment, so the base station does not need to perform the analysis of the two types of TTIs before and after the handover, and the hardware resources of the base station are wasted after the re-allocation signaling of the RNC is received in the prior art. Therefore, the embodiment of the present invention wastes the hardware resources of the base station. The method in the middle can save the hardware resources of the base station.

Next, the UE performs step 806, that is, switching to the target 对应 corresponding to the handover indication information at a predefined or pre-configured time point, taking the E-DCH 2ms to E-DCH 10 ms TTI handover as an example, the user equipment sends the included ΤΉ After switching the E-DPCCH or DPCCH indicating the acknowledgment information, switch to the 10ms TTI in the next or several radio frames.

Taking the E-DCH 10ms to E-DCH 2 ms TTI switch as an example, the user equipment sends the included After the TTI switches the E-DPCCH or DPCCH indicating the confirmation information, the next subframe is switched to

E-DCH 2ms TTI; N is predefined, or configurable.

The UE then proceeds to step 808 where the user equipment transmits a handover complete message with the target. The handover complete message is a radio bearer setup complete message (RADIO BEARER)

SETUP COMPLETE) or wireless load reconfiguration complete message (RADIO BEARER

RECONFIGURATION COMPLETE) or transport channel reconfiguration complete message (TRANSPORT

CHANNEL RECONFIGURATION COMPLETE )„

For the base station side, after step 805, step 807 is performed, that is, the uplink data sent by the UE is decoded by the target TTI at a predefined or pre-configured time point, and the target 对应 corresponds to the handover indication information.

Specifically, for example, when the base station detects the E-DPCCH, and the E-TFCI carried in the E-DPCCH is not used for normal data transmission, it is considered that the UE has received the TTI handover indication information; then the base station is in the next M radio frames or The next N subframes decode the uplink data sent by the UE according to the target ;; or

After the base station detects that the DPCCH carrying the non-zero value, the UE considers that the UE has received the handover indication information; the base station decodes the uplink data sent by the UE according to the target in the next M radio frames or the next N subframes.

Example nine

Based on the same design, the embodiment of the present invention further provides a user equipment. As shown in FIG. 11, the user equipment includes: a receiving unit 901, configured to receive transmission time interval (ΤΉ) handover indication information sent by a radio network controller; The sending unit 902 is configured to send a control channel carrying a transport format combination to the base station, so that the base station can determine, according to the transport format combination, that the user equipment has received the handover indication information.

In an embodiment, the sending unit 902 is specifically configured to: carry an enhanced dedicated transport channel format merge indication (E-TFCI) in the enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication Information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or A separate Physical Control Channel (DPCCH) carrying a Non-Zero Transport Channel Format Consolidation Indication (TFCI) is sent to indicate that the user equipment has received handover indication information, wherein the non-zero TFCI is predefined, or configurable.

In another embodiment, the sending unit 902 is specifically configured to:

Sending an enhanced dedicated physical control channel carrying the first enhanced dedicated transport channel format merge indication (E-TFCI) when the current state of the user equipment is 2 ms TTI and the power headroom UPH value sent by the user equipment to the base station is less than the first threshold (E-DPCCH), to indicate that the user equipment has received the handover indication information, the first E-TFCI is predefined or configurable; or

When the current frame of the user equipment is 10 ms TTI and the UPH value sent by the user equipment to the base station is greater than the second threshold, an enhanced dedicated physical control channel carrying the second enhanced dedicated transport channel format merge indication (E-TFCI) is transmitted (E- DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

The user equipment further includes: a processing unit 903, configured to control the user equipment to switch to the target corresponding to the handover indication information at a predefined or pre-configured time point.

The various changes and specific examples in the foregoing method of the ΤΤΙ ΤΤΙ 实施实施实施同样同样用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户用户The implementation method of the user equipment, so for the cleaning of the specification, it will not be described in detail here.

Example ten

This embodiment provides a user equipment. Referring to FIG. 12, it is a conceptual diagram of an example of hardware implementation of a user equipment. The user equipment includes: a receiver 1003, configured to receive a transmission time interval sent by a radio network controller. The switching indication information is sent to the base station, so that the base station can determine that the user equipment has received the handover indication information based on the transport format combination.

Wherein, in FIG. 12, a bus architecture (represented by bus 1000), bus 1000 can include any number of interconnected buses and bridges, and bus 1000 will include one or more processors 1001 and memory 1002 represented by processor 1001. The various circuits representing the memory are linked together. Total Line 1000 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is well known in the art, and therefore, will not be further described herein. Bus interface 1005 provides an interface between bus 1000 and receiver 1003, transmitter 1004. Receiver 1003 and transmitter 1004 may be the same component, i.e., a transceiver, providing means for communicating with various other devices on a transmission medium. A user interface 1006, such as a keypad, a display, a speaker, a microphone, a joystick, may also be provided depending on the nature of the user device.

The processor 1001 is responsible for managing the bus 1000 and the usual processing, and the memory 1002 can be used to store data used by the processor 1001 when performing operations.

In an embodiment, the transmitter 1004 is specifically configured to: carry an enhanced dedicated transport channel format merge indication (E-TFCI) in the enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication Information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or

A separate Physical Control Channel (DPCCH) carrying a Non-Zero Transport Channel Format Consolidation Indication (TFCI) is sent to indicate that the user equipment has received handover indication information, wherein the non-zero TFCI is predefined or configurable.

In another embodiment, the transmitter 1004 is specifically configured to:

In the above embodiments, the processor 1001 is configured to control the user equipment to switch to the target TTI corresponding to the handover indication information at a predefined or pre-configured time point.

The various changes and specific examples in the ΤΤΙ switching method in the foregoing embodiment of FIG. 10 are also suitable. For the user equipment in this embodiment, the method for implementing the user equipment in this embodiment can be clearly understood by those skilled in the art through the foregoing detailed description of the TTI handover method. Therefore, for the cleaning of the specification, details are not described herein again. .

Embodiment 11

In this embodiment, a base station is provided. As shown in FIG. 13, the base station includes: a first receiving unit 1101, configured to receive TTI handover indication information sent by a radio network controller; and a second receiving unit 1102, configured to: Receiving, by the user equipment, a control channel carrying a combination of transmission formats to determine that the user equipment has received the handover indication information.

In an embodiment, the base station further includes a processing unit 1103,

The second receiving unit 1102 is specifically configured to receive an enhanced dedicated transport channel format merge indication (E-TFCI) that is prohibited by the user equipment to be carried in the enhanced dedicated physical control channel (E-DPCCH), or to receive a separate sent by the user equipment. a physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI);

The processing unit 1103 is configured to confirm, according to the E-TFCI, that the user equipment has received the handover indication information, where the prohibited E-TFCI is predefined or configurable or reserved; or, the user equipment is confirmed based on the TFCI The handover indication information has been received, where the non-zero TFCI is predefined, or configurable.

In another embodiment, the base station further includes a processing unit 1103,

The second receiving unit 1102 is specifically configured to: when the current location of the user equipment is 2 ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than the first threshold, and receive the first enhanced dedicated transport channel format merge indication sent by the user equipment. (E-TFC) an enhanced dedicated physical control channel (E-DPCCH); or, when the current state of the user equipment is 10ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, the receiving user equipment sends the carrying number An enhanced dedicated physical control channel (E-DPCCH) that enhances the dedicated transport channel format merge indication (E-TFCI);

The processing unit 1103 is configured to confirm, according to the first E-TFCI, that the user equipment has received the handover indication information, where the first E-TFCI is predefined or configurable; or, the second E-TFCI confirms that the user equipment has received the handover. Indicates that the second E-TFCI is predefined or configurable. Further, the base station further includes a decoding unit 1104, configured to start, at a predefined or pre-configured time point, the uplink data that is sent by the user equipment by the target ,, and the target 对应 corresponds to the handover indication information.

The various changes and specific examples in the foregoing TTI switching method in the embodiment of FIG. 10 are also applicable to the base station in this embodiment. The detailed description of the foregoing switching method can be clearly known to those skilled in the art. The implementation method of the base station, so for the cleaning of the specification, it will not be described in detail here.

Example twelve

In this embodiment, a base station is provided. Referring to FIG. 14, a block diagram of an example of hardware implementation of a base station, where the base station includes: a first receiver 1201, configured to receive TTI handover indication information sent by a radio network controller; The second receiver 1202 is configured to receive a control channel that is sent by the user equipment and that carries the transport format combination, to determine that the user equipment has received the handover indication information.

In Figure 14, encoder 1205 can receive data from a data source and receive control information from processor 1203. Encoder 1205 provides various signal processing functions, such as encoding, for the data, control information, and reference signals. Encoder 1205 provides the generated symbols to transmit frame processor 1206 to create a frame structure resulting in a series of frames. These frames are then provided to a transmitter 1207 which provides various signal conditioning functions including amplification, filtering, and modulating the frame onto a carrier for transmission over the wireless medium over the antenna 1208.

While the first receiver 1201 and the second receiver 1202 receive data through the antenna 1208 and process the data, the information modulated on the carrier is restored, and the information recovered by the first receiver 1201 and the second receiver 1202 is supplied to the received frame. The processor 1209 parses each frame, the decoder 1204 decodes the frame, and provides the successfully decoded control signal to the processor 1203. If some frames are not successfully decoded by the decoder 1204, the processing is performed. The keeper 1203 may also use ACK and/or NACK protocols to support retransmission requests for those frames.

The processor 1203 can provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. Memory 1210 can be used to store data and software for the base station.

In an embodiment, the second receiver 1202 is specifically configured to receive an enhanced dedicated transport channel format merge indication that is prohibited by the user equipment in the enhanced dedicated physical control channel (E-DPCCH). (E-TFCI), or, receiving a separate physical control channel (DPCCH) carrying a non-zero transport channel format merge indication (TFCI) sent by the user equipment; the processor 1203, configured to confirm that the user equipment has received based on the E-TFCI To the handover indication information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or, based on the TFCI, confirming that the user equipment has received the handover indication information, where the non-zero TFCI is predefined , or configurable.

In another embodiment, the second receiver 1202 is specifically configured to: when the current state of the user equipment is 2 ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than the first threshold, and the receiving user equipment sends the first carrier An enhanced dedicated physical control channel (E-DPCCH) that enhances the dedicated transport channel format merge indication (E-TFCI); or, when the current frame of the user equipment is 10 ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, Receiving, by the user equipment, an enhanced dedicated physical control channel (E-DPCCH) carrying a second enhanced dedicated transport channel format merge indication (E-TFCI); the processor 1203, configured to confirm, according to the first E-TFCI, that the user equipment has received The handover indication information, the first E-TFCI is predefined or configurable; or the second E-TFCI confirms that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

Further, the decoder 1204 is configured to start, at a predefined or pre-configured time point, the uplink data sent by the user equipment by using the target TTI, where the target TTI corresponds to the handover indication information.

The seventh to fourth embodiments of the present invention provide that after the user equipment receives the handover indication information of the UI, the user equipment sends a control channel carrying the transport format combination to the base station, so that the base station can determine that the user equipment has been determined based on the transport format combination. After receiving the handover indication information, the base station can know the timing of the handover of the user equipment, and then can know when to decode the uplink data sent by the user equipment by using the target TTI corresponding to the handover indication information, so the base station does not need to In the technology, after receiving the reconfiguration signaling of the RNC, the hardware resources of the base station are wasted according to the two types of ΤΉ before and after the handover. Therefore, the method in the embodiment of the present invention can save the hardware of the base station. Resources.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowcharts and/or block diagrams, and combinations of flow and/or blocks in the flowcharts and/or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

While the preferred embodiment of the invention has been described, it will be understood that Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and the modifications and The spirit and scope of the embodiments of the present invention are departed. Thus, it is intended that the present invention cover the modifications and modifications of the embodiments of the invention.

Claims

Rights request

1. A ΤΉ switching method, characterized by including:

The user equipment receives the first configuration information corresponding to the first transmission time interval (TTI) and the second configuration information corresponding to the second TTI;

The user equipment receives the handover instruction information sent by the base station;

The user equipment switches the current TTI to a target TTI corresponding to the switching indication information, wherein the current TTI is one of the first TTI and the second TTI, and the target TTI is the third TTI. one TΉ and the other of said second TΉ;

The user equipment sends data to the base station with the target TTI.

2. The method of claim 1, wherein the first TTI is specifically 2 milliseconds (ms), and the second TTI is specifically 10 milliseconds (ms).

3. The method according to claim 1 or 2, characterized in that, after the user equipment receives the handover instruction information sent by the base station, it further includes:

The user equipment carries a prohibited enhanced dedicated transport channel format consolidation indication (E-TFCI) in the enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, wherein, The prohibited E-TFCIs described above are predefined or configurable or reserved; or

The user equipment sends a separate physical control channel (DPCCH) carrying a non-zero transport channel format combination indication (TFCI) to indicate that the user equipment has received the handover indication information, wherein the non-zero TFCI is predefined , or configurable.

4. The method according to claim 1 or 2, characterized in that, after the user equipment receives the handover instruction information sent by the base station, it further includes:

When the current TTI is 2ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is less than the first threshold, then the user equipment sends a first enhanced dedicated transmission channel format merging indication (E -TFCI) enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the first E-TFCI is predefined or configurable set; or,

When the current TTI is 10ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is greater than the second threshold, the user equipment sends a second enhanced dedicated transmission channel format merging indication (E - Enhanced Dedicated Physical Control Channel (E-DPCCH) of -TFCI) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

5. The method according to claim 1 or 2, characterized in that, after the user equipment receives the handover instruction information sent by the base station, it further includes:

The user equipment sends control information or data with the uplink scrambling code corresponding to the target ΤΉ to indicate that the handover indication information has been received.

6. The method according to claim 1 or 2, characterized in that, after the user equipment receives the handover instruction information sent by the base station, it further includes:

The user equipment uses domain information in a dedicated physical control channel (DPCCH) to indicate that the user equipment has received the handover indication information.

7. The method according to claim 1 or 2, characterized in that, after the user equipment receives the handover instruction information sent by the base station, it further includes:

The user equipment sends confirmation information to the base station within a maximum time after receiving the handover instruction information, where the maximum time is predefined or configurable.

8. The method of claim 7, wherein the user equipment sends data to the base station with the target TTI, specifically:

When the user equipment sends data to the base station using the first TTI, the user equipment sends data to the base station using the first TTI after the next M subframes after sending the acknowledgment information, where M is predefined or configurable, and M is an integer greater than or equal to zero; or

When the user equipment sends data to the base station with the second TTI, the user equipment sends data with the second TTI after sending the next N connection frame numbers (CF) after sending the acknowledgment information. To the base station, where N is predefined or configurable, and N is an integer greater than or equal to zero.

9. The method according to any one of claims 1 to 8, characterized in that, the user equipment is Before the target TTI sends data to the base station, it also includes:

The user equipment clears the data in the hybrid automatic repeat request (HARQ) buffer; the user equipment resets the uplink enhancement entity and sets the transmission sequence number (TSN) to 0.

10. The method according to any one of claims 1 to 8, characterized in that, after the user equipment receives the handover instruction information sent by the base station, it further includes:

The user equipment constructs the data in the HARQ cache into an uplink enhancement/protocol data unit (MAC-i PDU) corresponding to the target TΉ;

The user equipment resets the MAC-i/is entity and sets the transmission sequence number (TSN) to 0.

11. The method according to any one of claims 1 to 8, characterized in that the user equipment sends data to the base station with the target TTI, specifically including:

The user equipment deletes the first uplink enhanced protocol data unit (MAC-i PDU) corresponding to the TTI before the handover that was not successfully sent;

The user equipment constructs a second MAC-i PDU corresponding to the target ΤΉ, wherein the payloads in the second MAC-i PDU and in the first MAC-i PDU are the same;

The user equipment sends the second MAC-i PDU corresponding to the target TTI.

12. The method according to any one of claims 1 to 8, wherein when the same transport block size (TBS) table is used under the first TΉ and under the second TΉ, The user equipment sends data to the base station using the target TTI, specifically including:

The user equipment encodes the first data corresponding to the TTI before the handover that has not been successfully sent at the physical layer into the second data corresponding to the target TTI;

The user equipment sends the second data.

13. The method according to any one of claims 1 to 12, wherein before the user equipment receives the first configuration information of the first TZ and the second configuration information of the second TZ, the method further includes: The user equipment sends capability indication information supporting ΤΉ handover.

14. The method according to any one of claims 1-13, characterized in that the user equipment receives the handover instruction information sent by the base station, specifically:

The user equipment receives a high-speed shared control channel order (HS-SCCH order) sent by the base station.

15. The method according to any one of claims 1 to 14, wherein the first configuration information includes the first enhanced dedicated channel medium access control flow (E-DCH MAC) corresponding to the first TTI. -d flow) parameter, the second configuration information includes the second E-DCH MAC-d flow parameter corresponding to the second TZ.

16. The method of claim 15, wherein the first configuration information further includes a first discontinuous transmission (DTX) parameter and/or a first discontinuous reception (DRX) corresponding to the first TTI. Parameters, the second configuration information also includes the second DTX parameter and/or the second DRX parameter corresponding to the second TZ; the first configuration information and/or the second configuration information also includes the information used to determine the transmission The power of the control channel containing the ΤΉ handover indication confirmation information, where the ΤΉ handover indication confirmation information is used to indicate that the user equipment has received the handover indication information.

17. A ΤΉ switching method, characterized by including:

The base station receives first configuration information corresponding to a first transmission time interval (TTI) and second configuration information corresponding to a second TTI;

The base station sends switching indication information for TTI switching to the user equipment.

18. The method of claim 17, wherein the first TTI is specifically 2 milliseconds (ms), and the second TTI is specifically 10 milliseconds (ms).

19. The method according to claim 17 or 18, characterized in that, after the base station sends the handover instruction information requiring the user equipment to perform TTI handover to the user equipment, the method further includes:

The base station receives the confirmation information sent by the user equipment.

20. The method of claim 19, wherein the base station sends handover instruction information to the user equipment requiring the user equipment to perform TΉ handover, specifically:

If the base station does not receive the acknowledgment information within the maximum time, the base station resends the switching instruction information, wherein the maximum time is predefined or configurable.

21. The method according to claim 17 or 18, characterized in that, after the base station sends the handover instruction information of TΉ handover to the user equipment, it further includes:

The base station receives the information carried by the user equipment in the enhanced dedicated physical control channel (E-DPCCH). and confirm that the user equipment has received the handover indication information based on the E-TFCI, wherein the prohibited E-TFCI is Predefined or configurable or reserved; or

The base station receives a separate physical control channel (DPCCH) carrying a non-zero Transport Channel Format Combination Indication (TFCI) sent by the user equipment; and confirms that the user equipment has received the handover indication based on the non-zero TFCI. information, wherein the non-zero TFCI is predefined or configurable.

22. The method according to claim 17 or 18, characterized in that, after the base station sends the handover indication information of TΉ handover to the user equipment, it further includes:

When the current TTI is 2ms TTI, and the power headroom (UPH) value received by the base station is less than the first threshold, then the base station receives the first enhanced dedicated transmission channel format merging indication ( E-TFCI) enhanced dedicated physical control channel (E-DPCCH), and confirms that the user equipment has received the handover indication information based on the first E-TFCI, the first E-TFCI is predefined or configurable; or,

When the current TTI type is 10ms TTI, and the power headroom (UPH) value received by the base station is greater than the second threshold, the base station receives the second enhanced dedicated transmission channel format merging indication sent by the user equipment. (E-TFCI) enhanced dedicated physical control channel (E-DPCCH), and confirms that the user equipment has received the handover indication information based on the second E-TFCI, the second E-TFCI is predefined or configurable.

23. The method according to any one of claims 17-22, characterized in that, after the base station sends the handover instruction information of the TZ handover to the user equipment, the method further includes:

The base station sends an uplink enhancement entity reset indication or an uplink enhancement entity reset indication to the radio network controller.

24. The method according to any one of claims 17 to 23, characterized in that, after the base station sends the handover instruction information of the ΤΉ handover to the user equipment, the method further includes:

The base station sends the switched target ΤΉ of the user equipment to the radio network controller.

25. The method according to any one of claims 17-23, characterized in that the base station has To turn off the working mode of TΉ switching and to enable the working mode of TΉ switching, the base station sends the switching instruction information of TΉ switching to the user equipment, specifically:

When the base station is in the operating mode in which TTI handover is enabled, the base station sends TTI handover switching instruction information to the user equipment.

26. The method of claim 25, wherein when the base station is in the working mode of turning off TZ switching, the base station receives the instruction information sent by the wireless network controller, and switches the base station to the base station. The working mode of turning off TΉ switching is switched to the working mode of turning on TΉ switching.

27. The method according to any one of claims 17 to 26, wherein before the base station receives the first configuration information corresponding to the first TΉ and the second configuration information corresponding to the second TΤ1, the method Also includes:

The base station sends capability indication information supporting TTI handover to the radio network controller.

28. The method according to any one of claims 17 to 27, characterized in that, while or after the base station sends the handover instruction information of TΉ handover to the user equipment, the method further includes: The base station sends indication information to the radio network controller, so that the radio network controller sends the indication information to the non-serving base station, so that the non-serving base station switches to the target TTI after handover.

29. The method of claim 28, wherein the instruction information includes time information for switching to the target ΤΉ.

30. The method of claim 17, wherein the first configuration information and/or the second configuration information further includes a parameter for determining that the user equipment sends a control channel containing TTI handover indication confirmation information. Power, wherein the ΤΉ handover indication confirmation information is used to indicate that the user equipment has received the handover indication information.

31. A user equipment, characterized by: including:

The first receiving unit is configured to receive the first configuration information corresponding to the first transmission time interval (TTI) and the second configuration information corresponding to the second TTI;

The second receiving unit is configured to receive the switching instruction information sent by the base station, and send the switching instruction information to the switching unit; The switching unit is configured to receive the switching indication information from the second receiving unit, and switch the current TTI to a target TTI corresponding to the switching indication information, wherein the current TTI is the first TTI and one of the second TTI, the target TTI is the other of the first TTI and the second TTI;

The first sending unit is used to send data to the base station with the target ΤΉ.

32. The user equipment according to claim 31, wherein the first TΉ is specifically 2 milliseconds (ms), and the second TΉ is specifically 10 milliseconds (ms).

33. The user equipment according to claim 31 or 32, characterized in that the user equipment further includes:

The second sending unit is configured to carry a prohibited enhanced dedicated transport channel format combination indication (E-TFCI) in the enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, Wherein, the prohibited E-TFCI is predefined or configurable or reserved; or

Used to send a separate physical control channel (DPCCH) carrying a non-zero transport channel format combination indication (TFCI) to indicate that the user equipment has received the handover indication information, wherein the non-zero TFCI is predefined, or configurable.

34. The user equipment according to claim 31 or 32, characterized in that the user equipment further includes:

The second sending unit is configured to send a first enhanced dedicated transmission channel format merging indication when the current TTI is 2ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is less than the first threshold. (E-TFCI) Enhanced Dedicated Physical Control Channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the first E-TFCI is predefined or configurable; or,

When the current TΉ is 10ms TΉ, and the power headroom (UPH) value sent by the user equipment to the base station is greater than the second threshold, an enhancement carrying a second enhanced dedicated transport channel format combination indication (E-TFCI) is sent Dedicated Physical Control Channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

35. The user equipment according to claim 31 or 32, characterized in that the user equipment further includes:

The second sending unit is configured to send control information or data with the uplink scrambling code corresponding to the target ΤΉ to indicate that the switching indication information has been received.

36. The user equipment according to claim 31 or 32, characterized in that the user equipment further includes:

The second sending unit is configured to use domain information in the dedicated physical control channel (DPCCH) to indicate that the user equipment has received the handover indication information.

37. The user equipment according to claim 31 or 32, characterized in that the user equipment further includes:

The second sending unit is configured to send confirmation information to the base station within a maximum time after receiving the handover instruction information, where the maximum time is predefined or configurable.

38. The user equipment according to claim 37, characterized in that the first sending unit is specifically used to:

When sending data to the base station with the first TTI, the first sending unit uses the first TTI to send data to the base station after the next M subframes after the second sending unit completes sending the acknowledgment information. The base station, where M is predefined or configurable, and M is an integer greater than or equal to zero; or when sending data to the base station in the second TΉ, the first sending unit After the unit sends the next N connection frame numbers (CF) after the confirmation information, the unit uses the second TZ to send data to the base station, where N is predefined or configurable, and N is an integer greater than or equal to zero.

39. The user equipment according to any one of claims 31 to 38, characterized in that the user equipment further includes:

A processing unit configured to clear the data in the hybrid automatic repeat request (HARQ) buffer before the first sending unit sends data to the base station with the target TTI; and reset the uplink enhancement entity, and TSN is set to 0.

40. The user equipment according to any one of claims 31 to 38, characterized in that: the user Equipment also includes:

A processing unit configured to construct the data in the HARQ cache into an uplink enhanced protocol data unit (MAC-i PDU) corresponding to the target TΉ after the second receiving unit receives the handover instruction information sent by the base station. ; And reset the uplink enhancement entity and set TSN to 0.

41. The user equipment according to any one of claims 31 to 38, characterized in that the first sending unit is specifically used to:

Delete the first uplink enhanced protocol data unit (MAC-i PDU) corresponding to the TTI before the handover that was not successfully sent; construct the second MAC-i PDU corresponding to the target TΉ, wherein, in the second MAC-i PDU Neutralize and in the first MAC-i PDU, the payload is the same; and send the second MAC-i PDU corresponding to the target TTI.

42. The user equipment according to any one of claims 31 to 38, characterized in that when the same transport block size (TBS) table is used under the first TTI and under the second TTI , the user equipment also includes:

An encoding unit, configured to encode the first data corresponding to the first TTI that has not been successfully sent into the second data corresponding to the second TTI at the physical layer, and send the second data to the first sender unit;

The first sending unit is specifically configured to receive the second data from the encoding unit and send the second data.

43. The user equipment according to any one of claims 31 to 42, characterized in that the user equipment further includes:

The third sending unit is used to send capability indication information supporting ΤΉ handover.

44. The user equipment according to any one of claims 31 to 43, characterized in that the second receiving unit is specifically configured to receive a high-speed shared control channel order (HS-SCCH order) sent by the base station.

45. The user equipment according to any one of claims 31 to 44, wherein the first configuration information includes the first enhanced dedicated channel medium access control flow (E-DCH) corresponding to the first TZ MAC-d flow) parameter, the second configuration information includes the second E-DCH MAC-d flow parameter corresponding to the second TT.

46. The user equipment according to claim 45, wherein the first configuration information further includes a first discontinuous transmission (DTX) parameter corresponding to the first TTI and/or a first discontinuous reception.

(DRX) parameter, the second configuration information also includes the second DTX parameter and/or the second DRX parameter corresponding to the second TZ; the first configuration information and/or the second configuration information also includes the user Determining the power of sending a control channel including TTI switching indication confirmation information, wherein the TTI switching indication confirmation information is used to indicate that the user equipment has received the switching indication information.

47. A user equipment, characterized by including:

A receiver, configured to receive the first configuration information corresponding to the first transmission time interval (TΉ) and the second configuration information corresponding to the second TTI; and receive the switching instruction information sent by the base station;

A processor configured to switch the current TTI to a target TTI corresponding to the switching indication information based on the switching indication information, where the current TTI is one of the first TTI and the second TTI, The target TTI is the other of the first TTI and the second TTI;

A transmitter, configured to send data to the base station with the target TTI.

48. The user equipment according to claim 47, wherein the first TΉ is specifically 2 milliseconds (ms), and the second TΉ is specifically 10 milliseconds (ms).

49. The user equipment according to claim 47 or 48, wherein the transmitter is specifically configured to carry a prohibited enhanced dedicated transport channel format merging indication (E-DPCCH) in the enhanced dedicated physical control channel (E-DPCCH). -TFCI) to indicate that the user equipment has received the handover indication information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or

50. The user equipment according to claim 47 or 48, characterized in that the transmitter is specifically configured to: when the current TTI is 2ms TTI, and the power headroom sent by the user equipment to the base station ( UPH) value is less than the first threshold, sending an enhanced dedicated physical control channel (E-DPCCH) carrying a first enhanced dedicated transport channel format combination indication (E-TFCI) to indicate that the user equipment has received the handover indication information , the first E-TFCI is predefined or configurable; or, When the current TTI is 10ms TTI, and the power headroom (UPH) value sent by the user equipment to the base station is greater than the second threshold, an enhancement carrying a second enhanced dedicated transport channel format combination indication (E-TFCI) is sent Dedicated Physical Control Channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

51. The user equipment according to claim 47 or 48, wherein the transmitter is specifically configured to send control information or data with an uplink scrambling code corresponding to the target ΤΉ to indicate that the switching indication has been received. information.

52. The user equipment according to claim 47 or 48, wherein the transmitter is specifically configured to use domain information in a dedicated physical control channel (DPCCH) to indicate that the user equipment has received the handover indication. information.

53. The user equipment according to claim 47 or 48, wherein the transmitter is specifically configured to send confirmation information to the base station within a maximum time after receiving the handover instruction information, wherein, the The maximum time is predefined or configurable.

54. The user equipment according to claim 53, wherein the transmitter is further configured to: when sending data to the base station in the first TΉ, after sending the confirmation information, in the next M Use the first ΤΉ to send data to the base station after the subframe, where M is predefined or configurable, and M is an integer greater than or equal to zero; or

When sending data to the base station using the second TΉ, use the second TΉ to send data to the base station after the next N connection frame numbers (CF) after sending the acknowledgment information, where N is Predefined or configurable, N is an integer greater than or equal to zero.

55. The user equipment according to any one of claims 47-54, characterized in that the processor is also configured to clear data in a hybrid automatic repeat request (HARQ) buffer; and reset the uplink enhancement Entity, set TSN to 0.

56. The user equipment according to any one of claims 47-54, characterized in that the processor is also configured to construct the data in the HARQ cache into a MAC-i PDU corresponding to the target TTI

(Uplink Enhanced Protocol Data Unit); Reset the uplink enhanced entity and set TSN to 0.

57. The user equipment according to any one of claims 47-54, characterized in that, The processor is also configured to delete the first uplink enhanced protocol data unit (MAC-i PDU) corresponding to the pre-switching TTI that has not been successfully sent; and construct a second MAC-i PDU corresponding to the target TTI, wherein, The payload in the second MAC-i PDU is the same as in the first MAC-i PDU;

The transmitter is used to send the second MAC-i PDU corresponding to the target ΤΉ.

58. The user equipment according to any one of claims 47 to 54, characterized in that the user equipment further includes an encoder for transmitting, at the physical layer, the first data corresponding to the ΤΉ before successful handover. Encoded as second data corresponding to the target ΤΉ;

The transmitter is used to send the second data.

59. The user equipment according to any one of claims 47-58, characterized in that the transmitter is also configured to send capability indication information that supports ΤΉ handover.

60. The user equipment according to any one of claims 47 to 59, wherein the receiver is further configured to receive a high-speed shared control channel order (HS-SCCH order) sent by the base station.

61. The user equipment according to any one of claims 47 to 60, wherein the first configuration information includes the first enhanced dedicated channel medium access control flow (E-DCH) corresponding to the first TZ MAC-d flow) parameter, the second configuration information includes the second E-DCH MAC-d flow parameter corresponding to the second TT.

62. The user equipment according to claim 61, wherein the first configuration information further includes a first discontinuous transmission (DTX) parameter and/or a first discontinuous reception corresponding to the first TTI.

63. A base station, characterized by including:

The first sending unit is configured to send switching indication information of TTI switching to the user equipment.

64. The base station according to claim 63, wherein the first TTI is specifically 2 milliseconds (ms), and the second TTI is specifically 10 milliseconds (ms).

65. The base station according to claim 63 or 64, characterized in that the base station further includes: a second receiving unit, configured to receive the confirmation information sent by the user equipment.

66. The base station according to claim 65, wherein the first sending unit is further configured to resend the switching instruction information if the base station does not receive the confirmation information within a maximum time, wherein , the maximum time is predefined or configurable.

67. The base station according to claim 63 or 64, characterized in that, the base station further includes: a second receiving unit, configured to receive the enhanced dedicated physical control channel of the user equipment.

The prohibited Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI) carried in (E-DPCCH); or, for receiving a separate carrying non-zero Transport Channel Format Combination Indication sent by the user equipment

(TFCI) Physical Control Channel (DPCCH);

A processing unit configured to confirm that the user equipment has received the handover indication information based on the E-TFCI, wherein the prohibited E-TFCI is predefined or configurable or reserved; or, Used to confirm that the user equipment has received the handover indication information based on the non-zero TFCI, where the non-zero TFCI is predefined or configurable.

68. The base station according to claim 63 or 64, characterized in that, the base station further includes: a second receiving unit, used for when the current TΉ is 2ms TΉ, and the power headroom received by the base station ( UPH) value is less than the first threshold, receiving an enhanced dedicated physical control channel (E-DPCCH) carrying a first enhanced dedicated transport channel format combination indication (E-TFCI) sent by the user equipment or, used when the current TΉ The type is 10ms TTI, and the power headroom (UPH) value received by the base station is greater than the second threshold, receiving the enhanced dedicated physical transmission carrying the second enhanced dedicated transport channel format combination indication (E-TFCI) sent by the user equipment Control channel (E-DPCCH);

A processing unit configured to confirm that the user equipment has received the handover indication information based on the first E-TFCI, where the first E-TFCI is predefined or configurable; or, configured to confirm based on the first E-TFCI The second E-TFCI confirms that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

69. The base station according to any one of claims 63-68, characterized in that the base station further includes:

The second sending unit is configured to send an uplink enhancement entity reset indication or an uplink enhancement entity reset indication to the radio network controller.

70. The base station according to any one of claims 63-69, characterized in that the base station further includes:

The third sending unit is configured to send the switched target TTI of the user equipment to the radio network controller.

71. The base station according to any one of claims 63 to 69, characterized in that, the base station has an operating mode of turning off ΤΉ switching and an operating mode of turning on ΤΉ switching, and the first transmitting unit is specifically used in The base station is in the operating mode in which TΉ handover is enabled, and sends TΉ handover switching instruction information to the user equipment.

72. The base station according to claim 71, characterized in that, the base station further includes: a third receiving unit, configured to receive the wireless network controller when the base station is in the working mode of turning off TΉ switching. Send the instruction information, and send the instruction information to the switching unit;

The switching unit is configured to switch the base station from the working mode of turning off TTI switching to the working mode of turning on TTI switching based on the indication information.

73. The base station according to any one of claims 63-72, characterized in that the base station further includes:

The fourth sending unit is used to send capability indication information supporting TTI switching to the radio network controller.

74. The base station according to any one of claims 63-73, characterized in that the base station further includes:

The fifth sending unit is configured to send indication information to the wireless network controller, so that the wireless network controller sends the indication information to the non-serving base station, so that the non-serving base station switches to the switched target TΉ.

75. The base station according to claim 74, wherein the indication information includes time information for switching to the target ΤΉ.

76. A base station, characterized by including:

A receiver, configured to receive the first configuration information corresponding to the first transmission time interval (TΉ) and the second configuration information corresponding to the second TTI;

A transmitter, configured to send switching indication information of ΤΉ switching to the user equipment.

77. The base station according to claim 76, wherein the first TTI is specifically 2 milliseconds (ms), and the second TTI is specifically 10 milliseconds (ms).

78. The base station according to claim 76 or 77, wherein the receiver is further configured to: receive confirmation information sent by the user equipment.

79. The base station of claim 78, wherein the transmitter is further configured to: if the base station does not receive the confirmation information within a maximum time, resend the switching indication information, wherein , the maximum time is predefined or configurable.

80. The base station according to claim 76 or 77, characterized in that, the base station further includes: a first processor,

The receiver is also configured to: receive a prohibited enhanced dedicated transport channel format combination indication (E-TFCI) carried by the user equipment in the enhanced dedicated physical control channel (E-DPCCH); or, to receive A separate physical control channel (DPCCH) carrying a non-zero Transport Channel Format Combination Indication (TFCI) sent by the user equipment;

The first processor is configured to confirm that the user equipment has received the handover indication information based on the E-TFCI, wherein the prohibited E-TFCI is predefined or configurable or reserved; Or, be used to confirm that the user equipment has received the handover indication information based on the non-zero TFCI, where the non-zero TFCI is predefined or configurable.

81. The base station according to claim 76 or 77, characterized in that, the base station further includes: a first processor,

The receiver is also configured to: when the current TTI is a 2ms TTI, and the power headroom (UPH) value received by the base station is less than a first threshold, receive a message sent by the user equipment carrying the first Enhanced Dedicated Physical Control Channel (E-DPCCH) of Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI) or, used when the current TΉ type is 10ms TΉ, and the power headroom (UPH) received by the base station The value is greater than the second threshold, receiving the Enhanced Dedicated Physical Control Channel (E-DPCCH) carrying the second Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI) sent by the user equipment;

The first processor is configured to: confirm that the user equipment has received the handover indication information based on the first E-TFCI, where the first E-TFCI is predefined or configurable; or, Confirming that the user equipment has received the handover indication information based on the second E-TFCI, where the second E-TFCI is predefined or configurable.

82. The base station according to any one of claims 76-81, wherein the transmitter is further configured to: send an uplink enhancement entity reset indication to the radio network controller.

83. The base station according to any one of claims 76-82, wherein the transmitter is further configured to: send the switched target ΤΉ of the user equipment to the radio network controller.

84. The base station according to any one of claims 76 to 82, characterized in that the base station has an operating mode of turning off ΤΉ switching and an operating mode of turning on ΤΉ switching, and the transmitter is specifically used to: in the When the base station is in the working mode in which TTI switching is enabled, the base station sends switching indication information of TTI switching to the user equipment.

85. The base station according to claim 84, wherein the receiver is configured to receive indication information sent by the wireless network controller when the base station is in the working mode of turning off TTI switching;

The base station further includes a second processor, configured to switch the base station from the working mode of turning off TZ switching to the working mode of turning on TZ switching.

86. The base station according to any one of claims 76 to 85, characterized in that the transmitter is used to send capability indication information supporting TTI switching to the radio network controller.

87. The base station according to any one of claims 76-86, characterized in that the transmitter is used to send indication information to the wireless network controller, so that the wireless network controller sends the indication information to a non-server The base station, so that the non-serving base station switches to the target TTI after switching.

88. The base station according to claim 87, wherein the indication information includes time information for switching to the target ΤΉ.

89. A ΤΉ switching method, characterized by including:

The user equipment receives the transmission time interval (TTI) switching indication information sent by the radio network controller; the user equipment sends a control channel carrying the transmission format combination to the base station, so that the base station can determine the user equipment based on the transmission format combination The switching instruction information has been received.

90. The method of claim 89, wherein the user equipment sends a control channel carrying a transport format combination specifically as follows:

91. The method of claim 89, the user equipment sending a control channel carrying a transport format combination is specifically:

When the current TTI of the user equipment is 2ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than the first threshold, then the user equipment sends a first enhanced dedicated transmission channel format merging indication ( E-TFCI) to indicate that the user equipment has received the handover indication information, and the first E-TFCI is predefined or configurable; or,

When the current TTI of the user equipment is 10ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, then the user equipment sends a second enhanced dedicated transport channel format combination indication (E-TFCI ) of the Enhanced Dedicated Physical Control Channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

92. The method according to any one of claims 89-91, the ΤΉ handover indication information includes a first gain factor and a second gain factor, the first gain factor is used to determine whether the user equipment sends The power of the control channel containing TTI switching indication confirmation information, the second gain factor is used to determine the power of the control channel that the user equipment sends containing TTI switching indication confirmation information; wherein, the TTI switching indication confirmation information is used to indicate The user equipment has received the switching indication information.

93. The method of claim 89, after the user equipment sends the control channel carrying the transmission format combination to the base station, it further includes:

The user equipment switches to the target TTI corresponding to the switching indication information at a predefined or preconfigured time point.

94. A ΤΉ switching method, characterized by including:

The base station receives the transmission time interval (ΤΉ) switching indication information sent by the wireless network controller; the base station receives the control channel carrying the transmission format combination sent by the user equipment to determine that the user equipment has received the switching indication information.

95. The method according to claim 94, characterized in that the base station receives a control channel carrying a transmission format combination sent by the user equipment, specifically:

The base station receives the prohibited enhanced dedicated transport channel format consolidation indication (E-TFCI) carried by the user equipment in the enhanced dedicated physical control channel (E-DPCCH), and confirms the user based on the E-TFCI The device has received the switching indication information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or

The base station receives a separate physical control channel (DPCCH) carrying a non-zero Transport Channel Format Combination Indication (TFCI) sent by the user equipment, and confirms that the user equipment has received the handover indication information based on the TFCI. , wherein the non-zero TFCI is predefined or configurable.

96. The method according to claim 94, characterized in that the base station receives a control channel carrying a transmission format combination sent by the user equipment, specifically:

When the current TTI of the user equipment is 2ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than the first threshold, the base station receives the carrying power sent by the user equipment. Enhanced Dedicated Physical Control Channel (E-DPCCH) of the first Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI), and confirm that the user equipment has received the handover indication information based on the first E-TFCI, so The first E-TFCI is predefined or configurable; or,

When the current TTI of the user equipment is 10ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, the base station receives the second enhanced dedicated transmission channel format merging indication sent by the user equipment. (E-TFCI) enhanced dedicated physical control channel (E-DPCCH), and confirms that the user equipment has received the handover indication information based on the second E-TFCI, the second E-TFCI is predefined or configurable.

97. The method according to claim 94, characterized in that, after the base station receives the control channel carrying the transmission format combination sent by the user equipment, it further includes:

The base station starts decoding the uplink data sent by the user equipment with a target TTI at a predefined or preconfigured time point, and the target TTI corresponds to the handover indication information.

98. The method according to any one of claims 94-97, the ΤΉ handover indication information includes a first gain factor and a second gain factor, the first gain factor is used to determine whether the user equipment sends The power of the control channel containing TTI switching indication confirmation information, the second gain factor is used to determine the power of the control channel that the user equipment sends containing TTI switching indication confirmation information; wherein, the TTI switching indication confirmation information is used to indicate The user equipment has received the switching indication information.

99. A user equipment, characterized by including:

A receiving unit, configured to receive transmission time interval (TTI) switching instruction information sent by the wireless network controller;

A sending unit, configured to send a control channel carrying a transmission format combination to the base station, so that the base station can determine that the user equipment has received the handover indication information based on the transmission format combination.

100. The user equipment according to claim 99, characterized in that the sending unit is specifically configured to: carry a prohibited enhanced dedicated transport channel format merging indication (E-DPCCH) in the enhanced dedicated physical control channel (E-DPCCH). TFCI) to indicate that the user equipment has received the handover indication information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or Send a separate physical control channel (DPCCH) carrying a non-zero transport channel format combination indication (TFCI) to indicate that the user equipment has received the handover indication information, wherein the non-zero TFCI is predefined, or may be configured.

101. The user equipment according to claim 99, characterized in that the sending unit is specifically used to:

When the current TTI of the user equipment is 2ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than the first threshold, then the transmission carries the first enhanced dedicated transport channel format combination indication (E-TFCI) Enhanced dedicated physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the first E-TFCI is predefined or configurable; or

When the current TTI of the user equipment is 10ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, then the enhanced dedicated transport channel format merging indication (E-TFCI) carrying the second enhanced dedicated transport channel is sent. Physical control channel (E-DPCCH) to indicate that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

102. The user equipment according to claim 99, characterized in that the user equipment further includes:

A processing unit configured to control the user equipment to switch to the target TTI corresponding to the switching indication information at a predefined or preconfigured time point.

103. A user equipment, characterized by: including:

A receiver, configured to receive transmission time interval (ΤΉ) switching indication information sent by the wireless network controller;

A transmitter, configured to send a control channel carrying a transmission format combination to the base station, so that the base station can determine that the user equipment has received the handover indication information based on the transmission format combination.

104. The user equipment according to claim 103, wherein the transmitter is specifically configured to: carry a prohibited enhanced dedicated transport channel format merging indication (E-DPCCH) in the enhanced dedicated physical control channel (E-DPCCH). TFCI) to indicate that the user equipment has received the handover indication information, wherein the prohibited E-TFCI is predefined or configurable or reserved; or Send a separate physical control channel (DPCCH) carrying a non-zero transport channel format combination indication (TFCI) to indicate that the user equipment has received the handover indication information, wherein the non-zero TFCI is predefined, or may be configured.

105. The user equipment according to claim 103, characterized in that the transmitter is specifically used for:

106. The user equipment according to claim 103, characterized in that the user equipment further includes:

A processor, configured to control the user equipment to switch to the target TTI corresponding to the switching indication information at a predefined or preconfigured time point.

107. A base station, characterized by including:

The first receiving unit is configured to receive the transmission time interval (ΤΉ) switching indication information sent by the wireless network controller;

The second receiving unit is configured to receive the control channel carrying the transmission format combination sent by the user equipment to determine that the user equipment has received the switching indication information.

108. The base station according to claim 107, characterized in that, the base station further includes a processing unit,

The second receiving unit is specifically configured to receive the prohibited Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI) carried by the user equipment in the Enhanced Dedicated Physical Control Channel (E-DPCCH), Or, receive a separate physical control channel (DPCCH) carrying a non-zero transport channel format combination indication (TFCI) sent by the user equipment;

The processing unit is configured to confirm that the user equipment has received the handover indication information based on the E-TFCI, wherein the prohibited E-TFCI is predefined or configurable or reserved. ; Or, confirm that the user equipment has received the handover indication information based on the TFCI, where the non-zero TFCI is predefined or configurable.

109. The base station according to claim 107, characterized in that, the base station further includes a processing unit,

The second receiving unit is specifically configured to receive the carried power sent by the user equipment when the current TTI of the user equipment is 2ms TTI, and the power headroom UPH value sent by the user equipment to the base station is less than a first threshold. Enhanced Dedicated Physical Control Channel (E-DPCCH) of the first Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI); or, when the current TTI of the user equipment is 10ms TTI, and the user equipment sends it to the base station The UPH value is greater than the second threshold, receiving the Enhanced Dedicated Physical Control Channel (E-DPCCH) carrying the second Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI) sent by the user equipment;

The processing unit is configured to confirm that the user equipment has received the handover indication information based on the first E-TFCI, where the first E-TFCI is predefined or configurable; or, the third E-TFCI The second E-TFCI confirms that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

110. The base station of claim 107, wherein the base station further includes a decoding unit configured to start decoding the uplink data sent by the user equipment with a target TTI at a predefined or preconfigured time point, The target ΤΉ corresponds to the switching instruction information.

111. A base station, characterized in that it includes:

The first receiver is configured to receive the transmission time interval (ΤΉ) switching indication information sent by the wireless network controller;

The second receiver is configured to receive a separate control channel carrying a transmission format combination sent by the user equipment to determine that the user equipment has received the switching indication information.

112. The base station according to claim 111, characterized in that, the base station further includes a processor, and the second receiver is specifically configured to receive the user equipment’s information on the enhanced dedicated physical control channel.

The prohibited Enhanced Dedicated Transport Channel Format Combination Indication (E-TFCI) carried in (E-DPCCH), or, receiving a separate physical control channel carrying a non-zero Transport Channel Format Combination Indication (TFCI) sent by the user equipment (DPCCH);

The processor is configured to confirm that the user equipment has received the handover indication information based on the E-TFCI, wherein the prohibited E-TFCI is predefined or configurable or reserved. ; Or, confirm that the user equipment has received the handover indication information based on the TFCI, where the non-zero TFCI is predefined or configurable.

113. The base station according to claim 111, characterized in that, the base station further includes a processor, and the second receiver is specifically configured to when the current TTI of the user equipment is 2ms TTI, and the user equipment sends The power headroom UPH value given to the base station is less than the first threshold, and receiving the enhanced dedicated physical control channel (E-DPCCH) carrying the first enhanced dedicated transmission channel format combination indication (E-TFCI) sent by the user equipment; or , when the current TTI of the user equipment is 10ms TTI, and the UPH value sent by the user equipment to the base station is greater than the second threshold, receive the second enhanced dedicated transmission channel format merging indication (E - Enhanced Dedicated Physical Control Channel (E-DPCCH) of TFCI);

The processor is configured to confirm that the user equipment has received the handover indication information based on the first E-TFCI, where the first E-TFCI is predefined or configurable; or, the third The second E-TFCI confirms that the user equipment has received the handover indication information, and the second E-TFCI is predefined or configurable.

114. The base station of claim 111, wherein the base station further includes a decoder configured to start decoding the uplink data sent by the user equipment with a target TΉ at a predefined or preconfigured time point, The target ΤΉ corresponds to the switching instruction information.