CN101677463B

CN101677463B - Method and apparatus for realizing semi-persistent physical resource distribution

Info

Publication number: CN101677463B
Application number: CN2008102225184A
Authority: CN
Inventors: 邢艳萍; 贾民丽
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2008-09-18
Filing date: 2008-09-18
Publication date: 2012-07-25
Anticipated expiration: 2028-09-18
Also published as: CN101677463A

Abstract

The invention provides a method for realizing semi-persistent physical resource distribution, including: receiving resource license Information on the E-AGCH channel, and determining whether the resource license Information can indicate the distribution of persistent physical resource; if yes, using the resource distribution indication in the resource license Information to determine the TTI of the physical resource for transmitting uplink enhanced data. The invention provides an apparatus for realizing semi-persistent physical resource distribution. By adopting the inventive method and apparatus, long-term effective physical resource can be distributed based on the novel E-AGCH channel structure, to avoid repetitious usage of E-AGCH to distribute physical resource during scheduling transmission and to reduce the control channel cost of the system.

Description

Method and device for realizing semi-continuous physical resource allocation

Technical Field

The present invention relates to the field of mobile communications technologies, and in particular, to a method and an apparatus for implementing semi-persistent physical resource allocation.

Background

With the development of mobile communication technology, a High Speed Uplink Packet Access (HSUPA) technology is introduced into R7(Release7, version 7) in a 1.28Mcps TDD (Time Division Duplex) system; the HSUPA technique is divided into scheduled transmission and non-scheduled transmission, wherein the flow of scheduled transmission is shown in fig. 1, and includes the following steps:

a. a UE (User Equipment, also called User terminal) has Uplink enhanced data in a cache to wait for transmission, and sends a scheduling request through an E-RUCCH (E-DCH Random access Uplink control channel ) to request for scheduling resources;

b. node B (base station) carries out resource scheduling according to the received scheduling request information and sends resource permission information to UE on E-AGCH (E-DCH Absolute Grant Channel, E-DCH Absolute permission Channel);

c. the UE selects an enhanced Transport format combination (E-TFC) according to the received resource scheduling permission information, selects a proper TBS (Transport Block Size) and a modulation mode, codes and modulates the TBS and then sends Uplink enhanced data on an E-PUCH (E-DCH Physical Uplink Channel );

d. node B decodes the uplink enhanced data received on E-PUCH Channel, obtains ACK/NACK information according to CRC check, and maps the ACK/NACK information to E-HICH (E-DCH HARQ acknowledgement Indicator Channel ) after coding and feeds back to the UE;

thus, the UE completes data transmission in a scheduling transmission process; in step B, Node B performs resource scheduling according to the received scheduling request message, and sends resource grant message on E-AGCH, where as shown in fig. 2, the information carried in the E-AGCH channel includes:

PRRI (Power Resource Related Information) (5bits), which represents the Power Resource permission that the Node B schedules to the UE;

CRRI (Code Resource Related Information) (5bits), which indicates the spreading Code used by E-PUCH, usually has a valid value of 0-30;

TRRI (Timeslot Resource Related Information) (5bits), 5bits indicating slot 1 to slot 5, respectively;

RDI (Resource Duration Indicator) (3bits) for indicating the number of TTIs (Transmission Time Interval) in which the Resource grant is valid and Interval information; wherein, whether an RDI domain exists on the E-AGCH is pre-configured and informs the UE through a high-level signaling; if the RDI domain is configured, the UE decodes according to the format with RDI in FIG. 2; if the configuration is not available, the UE decodes according to the mode without RDI when decoding;

ECSN (E-AGCH Cyclic Sequence Number ) (3bits) for assisting E-AGCH outer loop power control and counting BLER (Block error rate) of the E-AGCH;

an EI (E-HICH Indicator) (2bits) for indicating an E-HICH carrying downlink feedback information;

an ENI (E-UCCH Number Indicator, E-UCCH Number indication) (3bits) which represents the Number of the transmitted E-UCCHs and is at most 8;

wherein, if the base station sends the E-AGCH once to allocate resources of one TTI to the UE, the UE must correctly receive the scheduling permission of the base station on the E-AGCH before sending uplink data through the E-PUCH each time. Meanwhile, the base station can also allocate uplink physical resources of a plurality of TTIs for the UE at one time by using the 3-bit RDI information on the E-AGCH.

In the research of HSPA +, in order to support the services such as VoIP, which frequently send small data packets and have high requirement on time delay, and reduce the overhead of control channel E-AGCH, it is proposed to introduce a method for allocating semi-persistent physical resources to the UE by the base station, i.e. the base station allocates persistent physical resources to the UE by sending resource grant information once through the E-AGCH, and the allocated persistent resources are effective until the base station sends the E-AGCH again.

However, based on the conventional control channel format, the base station can allocate resources of 8 consecutive TTIs, or resources of 4 intervals of 1 or 3 TTIs to the UE at most once by sending the resource grant information through the E-AGCH, and none of the resources can satisfy the requirement of allocating persistent resources for transmission of VoIP.

Disclosure of Invention

In view of the above, the present invention provides a method and an apparatus for implementing semi-persistent physical resource allocation, so that the physical resources allocated to a UE are continuously valid before a base station changes through a control channel.

In order to solve the above problems, the technical scheme provided by the invention is as follows:

a method of implementing semi-persistent physical resource allocation, comprising:

receiving resource permission information on an E-AGCH channel, and determining whether the resource permission information can indicate allocation of long-term physical resources;

and if the resource permission information can indicate that the physical resource of the long term is allocated, determining the TTI where the physical resource for transmitting the uplink enhanced data is located by using the resource allocation cycle indication in the resource permission information.

Preferably, it is determined whether the resource grant information may indicate allocation of a long-term physical resource by:

analyzing the resource permission information; judging whether the RDI domain, EI, PRRI, CRRI domain or TRRI in the analyzed resource permission information is a preset specific value, if so, determining that the resource permission information can indicate to allocate long-term physical resources; or,

after receiving the information on the E-AGCH, decoding is performed using the normal CRC and the reverse CRC, respectively, and if the reverse CRC decoding is successful, it may be determined that the resource grant information may indicate allocation of a long-term physical resource.

Preferably, the resource grant information includes grant information indicating physical timeslot and code channel resources; the authorization information is a CRRI and a TRRI or a physical resource block number in the resource permission information.

Preferably, the physical resource for transmitting the uplink enhanced data is determined by:

receiving the corresponding relation between the physical resource number and the physical time slot and code channel configured by the network side through the RRC signaling in advance, and the resource allocation cycle corresponding to the resource allocation cycle indication;

determining the physical time slot and code channel allocated by the base station according to the physical resource number and the corresponding relation between the physical resource number and the physical resource;

analyzing the resource allocation period indication to obtain the period of the current resource allocation, determining the resource of the first TTI according to the timing relation of the E-AGCH and the E-PUCH, and determining the TTI where the subsequently allocated physical resource is located according to the indicated resource allocation period.

receiving a resource allocation period corresponding to a resource allocation period indication configured by an RRC signaling at a network side in advance;

determining the physical time slot and code channel allocated by the base station according to the CRRI and TRRI in the resource permission information;

when the resource permission information contains an offset K used for indicating the TTI where the physical resource is located, receiving a resource allocation cycle corresponding to the resource allocation cycle indication configured by the RRC signaling at the network side in advance and the corresponding relation between the physical resource number and the physical time slot and code channel;

and determining the TTI where the first physical resource is allocated according to the offset K in the resource permission information, and then determining the resource interval allocated by the base station according to the resource allocation period indication.

when the resource permission information contains an offset K used for indicating the TTI where the physical resource is located, receiving a resource allocation cycle corresponding to the resource allocation cycle indication configured by the RRC signaling at the network side in advance;

Preferably, the method may further comprise:

predefining or pre-receiving a unit of offset K configured by a network side through RRC signaling, wherein the unit of the offset K is the number N of TTI (transmission time intervals);

and determining the delay N x K TTIs of the TTI determined by the timing relation of the TTI where the first distributed uplink physical resource is located relative to the E-AGCH and the E-PUCH according to the offset K in the resource permission information and the unit of the offset K.

Preferably, the method further comprises:

after determining the long-term effective physical resource allocated by the base station this time, stopping data transmission on the previously allocated physical resource, and starting uplink data transmission on the currently allocated physical resource.

Preferably, the method further comprises:

and if the resource allocation period indication is analyzed to be a value which is preset by the network side and represents resource recovery, releasing the long-term effective physical resources allocated before, and stopping data transmission on the physical resources allocated before.

Preferably, the resource grant information further includes one or more of an ECSN, an ENI, and a modulation scheme indication.

Preferably, if the resource grant information includes a modulation scheme indication, the uplink data is transmitted on the determined physical resource that is valid for a long time according to the indicated modulation scheme.

Preferably, the resource grant information has a length of 23 or 26 bits.

A user equipment, the apparatus comprising: a first processing unit and a second processing unit; wherein,

the first processing unit is configured to receive resource grant information on an E-AGCH channel, determine whether the resource grant information may indicate allocation of long-term physical resources, and notify the second processing unit of a determination result;

the second processing unit is configured to receive the notification from the first processing unit, and when the resource grant information may indicate that a long-term physical resource is allocated, determine a TTI in which the physical resource for transmitting uplink enhanced data is located by using a resource allocation cycle indication in the resource grant information.

Preferably, the first processing unit includes: the device comprises an analysis module and a judgment module; wherein,

the analysis module is used for analyzing the resource permission information;

the judging module is used for judging whether a CRRI domain, an RDI domain, an EI, a PRRI or a TRRI in the analyzed resource permission information is a preset specific value, if so, the resource permission information can indicate to allocate long-term physical resources.

Preferably, the first processing unit includes: and the decoding module is used for decoding the information on the E-AGCH by using the normal CRC and the reverse CRC respectively after receiving the information on the E-AGCH, and informing the second processing unit that the resource permission information can indicate the allocation of long-term physical resources if the reverse CRC decoding is successful.

Preferably, the second processing unit includes: the device comprises a receiving module and a resource determining module; wherein,

the receiving module is used for receiving the configuration of the network side in advance;

the resource determining module is used for determining the physical time slot and code channel allocated by the base station according to the configuration of the network side or the CRRI and TRRI in the resource permission information; obtaining the period of the resource allocation by using the analysis result of the analysis module, then determining a first TTI resource according to the corresponding relation between the E-AGCH and the E-PUCH, and determining the TTI where the subsequently allocated physical resource is located according to the indicated resource allocation period; or,

the resource determining module is used for determining the TTI where the first physical resource is allocated according to the offset K in the resource permission information, and then determining the resource interval allocated by the base station according to the resource allocation cycle indication.

Preferably, the apparatus further comprises: a reconfiguration unit and/or a release unit; wherein,

the reconfiguration unit is configured to, after the second processing unit determines the long-term effective physical resource allocated by the base station this time, stop data transmission on the previously allocated physical resource, and start transmission of uplink data on the currently allocated physical resource;

the release unit is configured to receive the notification of the parsing module, and when the resource allocation period indication is parsed into a value representing resource recovery preset at a network side, release the previously allocated long-term effective physical resource, and stop data transmission on the previously allocated physical resource.

presetting the resource permission information as a physical resource which can indicate allocation for a long term;

and sending preset resource permission information to the user equipment through an E-AGCH channel.

Preferably, bits occupied by the PDI domain and/or the EI domain are defined as a resource allocation period indication indicating a resource allocation period.

Preferably, the resource permission information is preset by:

redefining meanings of partial information bits in the resource permission information;

identifying the resource grant information with redefined bit information may indicate allocation of a long-term physical resource.

Preferably, the resource permission information is preset by:

inverting the CRC of the E-AGCH in advance;

and coding the resource permission information carried on the E-AGCH channel after CRC inversion, and identifying the coded resource permission information as physical resources which can indicate the allocation of a long term.

Preferably, the value indicated by the resource allocation period is defined to indicate the user equipment to release the previously allocated physical resource.

Preferably, the bits occupied by the CRRI and the TRRI are defined as physical resource block numbers indicating physical timeslot and code channel resource grants.

Preferably, the length of the resource grant information is 23 or 26 bits.

A base station, the base station comprising: a preset unit and a sending unit; the preset unit is used for presetting the resource permission information as a physical resource which can indicate allocation for a long term;

the sending unit is used for sending preset resource permission information to the user equipment through an E-AGCH channel.

Preferably, the preset unit includes: a redefinition module and an identification module; wherein,

the redefinition module is used for redefining the meaning of part of information bits in the resource permission information;

the representing module is used for adopting partial bit information redefined by the redefining module to identify that the resource permission information can indicate the allocation of long-term physical resources.

Preferably, the preset unit includes: the device comprises a reverse module and an encoding module; wherein,

the reverse module is used for reversing CRC of the E-AGCH in advance;

the coding module is used for coding the resource permission information carried on the E-AGCH channel after CRC inversion, and marking the coded resource permission information as physical resources which can indicate allocation of a long term.

Preferably, the preset unit further includes an assigning unit, configured to assign the resource allocation cycle indication in the resource permission information to indicate that the user equipment releases the previously allocated physical resource.

It can be seen that, by adopting the method and the device of the present invention, the base station can allocate long-term effective physical resources to the UE based on the new E-AGCH channel structure, so that the semi-continuous physical resources allocated by the base station to the UE are continuously effective before the base station sends the E-AGCH for reconfiguration or is recovered, thereby avoiding that the physical resources are allocated to the UE by using the E-AGCH for multiple times during scheduling transmission, and reducing the overhead of the control channel of the system.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a flow chart of high speed uplink packet access scheduling transmission;

FIG. 2 is a diagram illustrating the format of information carried on the E-AGCH channel in the prior art;

FIG. 3 is a schematic flow chart of the method of example 1 of the present invention;

FIG. 4 is a timing relationship diagram between E-AGCH and E-PUCH;

FIG. 5 is a diagram illustrating an E-AGCH channel format according to embodiment 2 of the present invention;

FIG. 6 is a diagram illustrating an E-AGCH channel format according to embodiment 3 of the present invention;

fig. 7 is a diagram illustrating an E-AGCH channel format according to embodiment 4 of the present invention.

Detailed Description

The basic idea of the invention is to allocate long-term effective physical resources to the UE based on the new channel structure of the E-AGCH, so that the semi-continuous physical resources allocated to the UE by the base station are continuously effective before the base station sends the E-AGCH for reconfiguration or is recovered, thereby avoiding the repeated use of the E-AGCH for allocating the physical resources to the UE during scheduling transmission and reducing the control channel overhead of the system.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiment 1 of the present invention provides a method for implementing semi-persistent physical resource allocation, as shown in fig. 3, the method includes:

step 301: receiving resource permission information on an E-AGCH channel, and determining whether the resource permission information can indicate allocation of long-term physical resources;

specifically, if the resource grant information carried on the E-AGCH channel can allocate long-term physical resources, it indicates that the format of the E-AGCH channel is a new format different from a conventional channel; however, in the present embodiment, compared to the conventional channel format, the length of the information carried on the channel is not changed, and only the information carried on the channel and the meaning of the information (indicated) are changed; in the embodiment of the present invention, the channel format is identified as a new format different from a conventional channel format by the following ways, but is not limited to the following ways:

1) redefining the meanings of part of information bits in the resource permission information in advance; for example, it is specified that CRRI ═ 11111 'or TRRI ═ 00000' represents a new format; the specification RDI ═ 111 'or EI ═ 11' denotes a new E-AGCH format; or, when the PRRI is all 1, the new E-AGCH format is represented;

2) when the format of the E-AGCH is new, the CRC of the E-AGCH is reversed; the CRC inversion refers to XOR the generated CRC bits with 1 respectively, namely the original bit is 0 and is 1 after inversion, the original bit is 1 and is 0 after inversion;

correspondingly, the embodiment of the invention also provides a plurality of ways for judging the new format, which specifically comprise the following steps:

1) after the UE correctly receives the resource permission information on the E-AGCH channel, firstly analyzing the resource permission information, then judging whether the CRRI domain, the RDI domain, the EI domain or the PRRI is all 1 or not, or whether the TRRI is all 0 or not, if so, indicating that the channel format is a new format, determining that the resource permission information can indicate to allocate long-term physical resources;

2) after receiving the information on the E-AGCH, the UE respectively uses the normal CRC and the reverse CRC for decoding, and if the reverse CRC is successfully decoded and indicates that the channel format is a new format, the UE can determine that the resource permission information can indicate to allocate long-term physical resources;

in addition, the resource grant information includes a resource allocation cycle indication and grant information for indicating physical timeslot and code channel resources: wherein,

1) a network side configures a plurality of resource allocation cycles for UE in advance through RRC signaling, and when physical resources are allocated for the UE through an E-AGCH, the resource allocation cycle borne by the network side indicates the resource allocation cycle of the UE; after the UE receives the E-AGCH, determining a first allocated TTI according to the timing relation between the E-AGCH and the E-PUCH, and then determining a TTI where the subsequently allocated resources are located according to the resource allocation period indication; it should be noted that the timing relationship between the E-AGCH and the E-PUCH has been defined in the prior art, and as shown in fig. 4, there is an offset of nE-AGCH between the E-AGCH and the E-PUCH, and this offset must be greater than or equal to 6 slots; therefore, after the UE correctly receives and decodes the E-AGCH, the TTI where the E-PUCH is allocated and the specific timeslot and code channel can be obtained according to the timing relationship, which is not described herein again;

of course, the resource allocation period indication may also be combined with the resource allocation offset during different periods, i.e. the resource grant information may also include the resource allocation offset; the base station can adjust TTI where the resource allocation is in different periods by sending E-AGCH;

in addition, when the UE finishes the service and needs to release the E-PUCH physical resource allocated to the UE, the resource allocation period may also be used to indicate a resource release indication, that is, the UE is no longer allocated with resources, but is required to release the previously allocated persistent resources; correspondingly, when the UE correctly receives the E-AGCH, the physical resource allocated by the base station before is released;

2) the authorization information for indicating the physical timeslot and code channel resources in the embodiment of the present invention may be CRRI and TRRI in the resource permission information, or may be the number of the physical resource block; the serial number of the physical resource block can occupy bits occupied by CRRI or TRRI carried by a traditional channel; and the corresponding relation between the number of the physical resource block and the specific physical time slot and code channel is notified to the UE by adopting a predefined mode or a method configured by RRC signaling at the network side, which is not repeated herein;

in addition, as an improvement of the conventional channel format, the resource grant information carried on the new channel format in the embodiment of the present invention may further include one or more of ECSN, ENI, or modulation scheme indication.

Step 302: and if the resource permission information can indicate that the physical resource of the long term is allocated, determining the TTI where the physical resource for transmitting the uplink enhanced data is located by using the resource allocation cycle indication in the resource permission information.

In the embodiment of the present invention, several ways of determining the TTI in which the physical resource for transmitting the uplink enhanced data is located are proposed, but not limited to this; the following are specific examples:

embodiment 2 of the present invention, a new E-AGCH format of 23 bits (excluding RDI field) is used as an example, as shown in fig. 5, where the number of bits in each information field is only an example, and the number of bits in ENI may be changed, for example, reduced or completely removed, and they are used to increase the number of bits of physical resource numbers; or the E-AGCH includes RDI, and bits of the RDI are used to increase the resource allocation cycle indication, and the like, which is not described in detail in this embodiment;

1) firstly, the UE receives the corresponding relation between the physical resource number, the physical time slot and the code channel configured by the network side through the RRC signaling, and the corresponding relation between the resource allocation period indication and the physical resource allocation period; wherein,

as for the corresponding relation between the physical resource number and the physical time slot and code channel, at most 2N physical resource blocks can be configured, wherein N is the bit number of the physical resource number on the E-AGCH; the number of the physical resource allocation periods is also similar to the resource allocation period indication on the E-AGCH, for example, the physical resource allocation periods are 4, 20ms (4 subframes), 80ms (16 subframes), 160ms (32 subframes) and indicate resource recovery, and are respectively indicated by using 2-bit resource allocation period indication on the E-AGCH;

2) after the UE correctly receives the E-AGCH, firstly judging whether the CRRI domain is all 1, if so, indicating that the channel format is a new format, determining that the resource permission information can indicate to allocate long-term physical resources, and then determining the physical time slot and code channel allocated by the base station at this time according to the 5-bit physical resource number behind the CRRI and the corresponding relation configured by the RRC signaling and the physical resources at the network side; if not, indicating that the channel format is the traditional format, and then adopting the traditional mode to carry out subsequent resource allocation, which is not described again here;

3) then obtaining the period of the current resource allocation according to the resource allocation period indication; for example, if the resource allocation period indication resolves to '00', it indicates that the resource allocation period is 20ms (4 subframes), '01' indicates that the resource allocation period is 80ms (16 subframes), and '10' indicates that the resource allocation period is 160ms (32 subframes); determining the resource of the first TTI according to the timing relation between the E-AGCH and the E-PUCH, and determining the TTI where the subsequently allocated physical resource is located according to the indicated resource allocation cycle; if the base station has allocated the continuously valid physical resource to the UE before, the UE stops data transmission on the previously allocated physical resource, and starts uplink data transmission on the physical resource allocated by the base station this time.

It should be noted that if the resource allocation period indication is resolved to '11', which indicates resource reclamation, the UE should release the previously allocated long-term valid physical resource, and at this time, the UE stops data transmission on the previously allocated physical resource.

In embodiment 3 of the present invention, as shown in fig. 6, the total information bit number of the E-AGCH is kept unchanged, the meaning of the RDI is redefined, and a new E-AGCH format is represented when the RDI is defined to be all 1;

1) firstly, the UE receives a resource allocation period corresponding to a resource allocation period indication configured by the network side through RRC signaling in advance; for example, a physical resource with only one TTI being valid is allocated to the UE, the resource allocation Period is Period1 ═ 4 subframes, the resource allocation Period is 80ms (16 subframes), and the like;

2) after the UE receives the E-AGCH, whether the RDI is all 1 is judged, if so, the resource permission information can be determined to indicate that the channel format is a new format to be allocated with long-term physical resources, and at the moment, the meanings indicated by the CRRI and the TRRI are not changed, so that the UE can determine the physical time slot and the code channel allocated by the base station at this time according to the CRRI and the TRRI;

3) then, a resource allocation Period of this time is obtained according to the resource allocation Period indication, for example, if the resource allocation Period indication is analyzed to be '0000', it indicates that only one TTI effective physical resource is allocated to the UE, '0001' indicates that the resource allocation Period is Period1 ═ 4 subframes, '0010' indicates that the resource allocation Period is 80ms (16 subframes), and the like; determining the resource of the first allocated TTI according to the corresponding relation between the E-AGCH and the E-PUCH, and determining the TTI where the subsequently allocated physical resource is located according to the indicated resource allocation cycle; if the base station has allocated the continuously valid physical resource to the UE before, the UE stops data transmission on the previously allocated physical resource, and starts uplink data transmission on the physical resource allocated by the base station this time.

It should be noted that if the resource allocation period indication is resolved to '1111', which indicates resource recovery, the UE may release the previously allocated long-term valid physical resource and stop data transmission on the previously allocated physical resource.

In addition, if the resource permission information further includes a modulation mode indication, the UE transmits uplink data on the allocated resource according to the modulation mode indicated by the base station.

In embodiment 4 of the present invention, as shown in fig. 7, the total information bit number of the E-AGCH is kept unchanged, and the CRC is inverted to indicate a new E-AGCH format; representing a resource allocation period indication and an offset K using RDI and/or EI fields; of course, besides the bits representing the special E-AGCH format, the information carried by the E-AGCH may also include a power resource related indication, a physical resource related indication, ECSN, and ENI, which are not described herein again;

1) predefining a meaning of an offset K; for example, the number of the absolute delay offset TTIs of the TTI corresponding to the first allocated uplink physical resource is indicated as compared with the TTI determined by the timing relationship in the prior art, or the unit of the delay offset TTIs is N TTIs (the former may be equivalent to the unit of the delay offset TTI is N-1 TTIs); or the network side notifies, through RRC signaling, that the TTI of the first allocated uplink physical resource is offset by TTI unit N from the delay of the TTI determined by the timing relationship in the prior art, for example, the unit is period 1.

2) The UE receives a resource allocation period corresponding to a resource allocation period indication configured by the network side through RRC signaling in advance; for example, the resource allocation Period is Period1 ═ 4 subframes, the resource allocation Period is Period2 ═ 16 subframes, the resource allocation Period is Period2 ═ 32 subframes, and the allocated resources are retracted;

3) after the UE receives the E-AGCH, the UE respectively uses CRC non-inversion and inversion for decoding, if the CRC inversion decoding is correct, the channel format is a new format, the resource permission information can be determined to indicate to allocate long-term physical resources, then the TTI where the first physical resource is allocated is determined according to the offset K, specifically, the TTI determined according to the timing relationship in the prior art is delayed backwards by N x K TTIs, and then the resource interval allocated by the base station at this time is determined according to the resource allocation cycle indication; at this time, the meanings indicated by the CRRI and the TRRI are not changed, so that the UE may determine the physical timeslot and code channel allocated by the base station according to the CRRI and the TRRI;

it should be noted that if the resource allocation period indication is resolved to a preset specific value, for example, '11', indicating resource recovery, the UE releases the previously allocated long-term valid physical resource and stops data transmission on the previously allocated physical resource.

It can be seen that, by adopting the method of the embodiment of the present invention, the long-term effective physical resource is allocated to the UE based on the new E-AGCH channel structure, so that the semi-continuous physical resource allocated by the base station to the UE is continuously effective before the base station sends the E-AGCH reconfiguration or recovers the allocated long-term physical resource, thereby avoiding allocating the physical resource to the UE through the E-AGCH for multiple times during scheduling transmission, and reducing the overhead of the control channel of the system.

Based on the above idea, embodiment 5 of the present invention further provides a user equipment, where the user equipment includes: a first processing unit and a second processing unit; wherein,

the second processing unit is configured to receive the notification from the first processing unit, and determine the physical resource for sending the uplink enhanced data according to the resource allocation cycle indication in the resource grant information when the resource grant information may indicate allocation of a long-term physical resource.

the analysis module is used for analyzing the resource permission information;

the resource determining module is used for determining the physical time slot and code channel allocated by the base station according to the configuration of the network side or the CRRI and TRRI in the resource permission information; obtaining the period of the resource allocation by using the analysis result of the analysis module, then determining a first TTI resource according to the corresponding relation between the E-AGCH and the E-PUCH, and determining the TTI where the subsequently allocated physical resource is located according to the indicated resource allocation period; or, the resource determining module is configured to determine a TTI in which the first physical resource is allocated according to the offset K in the resource grant information, and then determine the resource interval allocated by the base station according to the resource allocation cycle indication.

In addition, the apparatus further comprises: a reconfiguration unit and/or a release unit; wherein,

Embodiment 6 of the present invention further provides a base station, where the base station includes: a preset unit and a sending unit; the preset unit is used for presetting the resource permission information as a physical resource which can indicate allocation for a long term; the sending unit is used for sending preset resource permission information to the user equipment through an E-AGCH channel.

Wherein, the preset unit includes: a redefinition module and an identification module;

In addition, the preset unit may further include: the device comprises a reverse module and an encoding module; wherein,

the reverse module is used for reversing CRC of the E-AGCH in advance;

It should be noted that the preset unit further includes an assigning unit, configured to assign the resource allocation cycle indication in the resource permission information to indicate the user equipment to release the previously allocated physical resource.

In addition, from the idea of the embodiment of the present invention, a system including the base station and the user equipment disclosed in the above embodiment can be obtained, that is, any system including the device capable of implementing the above embodiment of the present invention should also be included in the protection scope of the present invention.

Those of skill in the art would understand that information, messages, and signals may be represented using any of a variety of different technologies and techniques. For example, the messages and information mentioned in the above description can be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or any combination thereof.

Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A method for implementing semi-persistent physical resource allocation, comprising:

receiving resource permission information on an E-DCH absolute permission channel E-AGCH channel, and determining whether the resource permission information can indicate the allocation of long-term physical resources, wherein the resource permission information comprises a resource allocation cycle indication under the condition that the resource permission information can indicate the allocation of the long-term physical resources;

and if the resource permission information can indicate that the physical resources in the long term are allocated, determining the transmission time interval TTI where the physical resources for sending the uplink enhanced data are located by using the resource allocation cycle indication in the resource permission information.

2. The method of claim 1, wherein determining whether the resource grant information can indicate allocation of long-term physical resources is performed by:

analyzing the resource permission information; judging whether a resource continuous indication RDI domain, an E-DCH HARQ acknowledgement indication channel E-HICH indication EI, power resource related information PRRI, a code resource related information CRRI domain or time slot resource related information TRRI in the analyzed resource permission information are preset specific values, and if so, determining that the resource permission information can indicate to allocate long-term physical resources; or,

after receiving the information on the E-AGCH, decoding by using a normal Cyclic Redundancy Check (CRC) and an inverse CRC respectively, and if the inverse CRC decoding is successful, determining that the resource permission information can indicate the allocation of long-term physical resources.

3. The method of claim 2, wherein:

the resource permission information comprises authorization information used for indicating physical time slot and code channel resources; the authorization information is CRRI and TRRI in the resource permission information, or physical resource number.

4. The method of claim 3, wherein the physical resource for transmitting the uplink enhanced data is determined by:

analyzing the resource allocation period indication to obtain the period of the current resource allocation, determining the resource of the first TTI according to the timing relation of the E-AGCH and the E-DCH physical uplink channel E-PUCH, and determining the TTI where the subsequently allocated physical resource is located according to the indicated resource allocation period.

5. The method of claim 3, wherein the physical resource for transmitting the uplink enhanced data is determined by:

6. The method of claim 3, wherein the physical resource for transmitting the uplink enhanced data is determined by:

7. The method of claim 3, wherein the physical resource for transmitting the uplink enhanced data is determined by:

8. The method according to claim 6 or 7, characterized in that the method further comprises:

and determining the TTI where the first allocated uplink physical resource is located according to the offset K in the resource permission information and the unit of the offset K, wherein the TTI is delayed by N x K TTIs relative to the TTI determined by the timing relation of the E-AGCH and the E-PUCH.

9. The method according to any one of claims 2 to 7, further comprising:

10. The method of any one of claims 2 to 7, further comprising:

11. The method according to any one of claims 2 to 7, characterized in that:

the resource permission information also comprises one or more of E-AGCH cyclic sequence number ECSN, E-UCCH number indication ENI and modulation mode indication.

12. The method of claim 11, wherein:

and if the resource permission information comprises a modulation mode indication, transmitting the uplink data on the determined physical resource which is effective for a long term according to the indicated modulation mode.

13. The method of claim 12, wherein:

the resource grant information has a length of 23 or 26 bits.

14. A user equipment, characterized in that the equipment comprises: a first processing unit and a second processing unit; wherein,

the first processing unit is configured to receive resource grant information on an E-DCH absolute grant channel E-AGCH channel, determine whether the resource grant information may indicate allocation of a long-term physical resource, and notify the second processing unit of a determination result, where the resource grant information may indicate allocation of a long-term physical resource, and the resource grant information includes a resource allocation cycle indication;

the second processing unit is configured to receive the notification of the first processing unit, and when the resource grant information may indicate that a long-term physical resource is allocated, determine a transmission time interval TTI in which the physical resource for transmitting uplink enhanced data is located by using a resource allocation cycle indication in the resource grant information.

15. The apparatus of claim 14, wherein the first processing unit comprises: the device comprises an analysis module and a judgment module; wherein,

the analysis module is used for analyzing the resource permission information;

the judging module is used for judging whether a code resource related information CRRI domain, a resource continuous indication RDI domain, an E-DCH HARQ acknowledgement indication channel E-HICH indication EI, power resource related information PRRI or time slot resource related information TRRI in the analyzed resource permission information is a preset specific value, and if so, determining that the resource permission information can indicate the allocation of long-term physical resources.

16. The apparatus of claim 14, wherein the first processing unit comprises: and the decoding module is used for decoding the information on the E-AGCH by respectively using the normal cyclic redundancy check CRC and the reverse CRC, and informing the second processing unit that the resource permission information can indicate the allocation of long-term physical resources if the reverse CRC decoding is successful.

17. The apparatus of claim 15, wherein the second processing unit comprises: the device comprises a receiving module and a resource determining module; wherein,

18. The apparatus of claim 17, further comprising: a reconfiguration unit and/or a release unit; wherein,

19. A method for implementing semi-persistent physical resource allocation, comprising:

presetting resource permission information as a physical resource which can indicate to allocate a long term, wherein the preset resource permission information comprises a resource allocation period indication;

and sending preset resource permission information to the user equipment through an E-DCH absolute permission channel E-AGCH channel.

20. The method of claim 19,

and defining the bit occupied by the resource continuous indication RDI field and/or the E-DCH HARQ acknowledgement indication channel E-HICH indication EI field as a resource allocation period indication indicating the resource allocation period.

21. The method of claim 20, wherein the resource grant information is preset by:

22. The method of claim 20, wherein the resource grant information is preset by:

reversing the Cyclic Redundancy Check (CRC) of the E-AGCH in advance;

23. The method of claim 19, wherein:

and defining the value indicated by the resource allocation period as indicating the user equipment to release the previously allocated physical resources.

24. The method according to any one of claims 19 to 23, wherein:

and defining bits occupied by the code resource related information CRRI and the time slot resource related information TRRI in the resource permission information as physical resource numbers representing the physical time slot and code channel resource authorization.

25. The method according to any one of claims 19 to 23, wherein:

26. The method according to any one of claims 19 to 23, wherein:

the length of the resource grant information is 23 or 26 bits.

27. A base station, characterized in that the base station comprises: a preset unit and a sending unit; the preset unit is configured to preset resource permission information as a physical resource which can indicate allocation of a long term, where the preset resource permission information includes a resource allocation cycle indication;

the sending unit is used for sending preset resource permission information to the user equipment through an E-DCH absolute permission channel E-AGCH channel.

28. The base station of claim 27, wherein the preset unit comprises: a redefinition module and an identification module; wherein,

the identification module is configured to identify that the resource grant information may indicate allocation of a long-term physical resource using partial bit information redefined by the redefinition module.

29. The base station of claim 27, wherein the preset unit comprises: the device comprises a reverse module and an encoding module; wherein,

the reverse module is used for reversing the Cyclic Redundancy Check (CRC) of the E-AGCH in advance;

30. The base station according to claim 27, wherein the predetermined unit further comprises an assigning unit configured to assign the resource allocation period indication in the resource grant information as indicating the user equipment to release the previously allocated physical resource.