CN102740407A - Method and system for uplink scheduling, terminal and base station - Google Patents

Method and system for uplink scheduling, terminal and base station Download PDF

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Publication number
CN102740407A
CN102740407A CN201110089850XA CN201110089850A CN102740407A CN 102740407 A CN102740407 A CN 102740407A CN 201110089850X A CN201110089850X A CN 201110089850XA CN 201110089850 A CN201110089850 A CN 201110089850A CN 102740407 A CN102740407 A CN 102740407A
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terminal
scheduling
transmission time
time interval
base station
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CN102740407B (en
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程翔
柯雅珠
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Rudong County Shengtai New Rural Development And Construction Co Ltd
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

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Abstract

本发明公开了一种上行调度方法，将PRACH的前导签名至少分为用于指示短传输时间间隔方式调度和长传输时间间隔方式调度的两种类型；所述方法还包括：终端确定上行随机接入时所使用的短传输时间间隔方式或长传输时间间隔调度方式，并选用与所确定的调度方式对应的前导签名构建PRACH的前导，进行上行随机接入。本发明同时公开了一种上行调度系统，终端以及基站。本发明针对网络覆盖情况以及终端特性，由终端动态选择短传输时间间隔调度方式或长传输时间间隔调度方式来使用增强型专用传输信道资源，从而既确保了网络覆盖范围，又能够满足上行高速率传输需求。

Figure 201110089850

The present invention discloses an uplink scheduling method, which divides the preamble signature of PRACH into at least two types for indicating short transmission time interval scheduling and long transmission time interval scheduling; the method further includes: the terminal determines the uplink random access The short transmission time interval mode or the long transmission time interval scheduling mode used at the time of entry, and the preamble signature corresponding to the determined scheduling mode is selected to construct the preamble of the PRACH for uplink random access. The invention also discloses an uplink scheduling system, a terminal and a base station. According to the network coverage and terminal characteristics, the present invention dynamically selects the short transmission time interval scheduling mode or the long transmission time interval scheduling mode to use the enhanced dedicated transmission channel resources, thereby ensuring the network coverage and meeting the high uplink rate Transport needs.

Figure 201110089850

Description

Uplink scheduling method and system, terminal and base station
Technical Field
The present invention relates to an uplink random access technology, and in particular, to an uplink scheduling method and system, a terminal, and a base station in a high speed uplink packet access system.
Background
The high speed uplink packet access technology improves the performance of uplink packet data by means of fast scheduling and physical layer fast retransmission combining. For this reason, the high speed uplink packet access technology introduces a new transport channel, an Enhanced Dedicated transport channel (E-DCH), for carrying user data, and the E-DCH is an uplink channel Dedicated for carrying uplink data. In addition, the Physical Channel carrying the enhanced dedicated transport Channel is a Physical Random Access Channel (PRACH).
The terminal has two basic modes of operation, idle mode and connected mode respectively. The connection mode can be further divided into the following different states: a Radio access network registration area Paging Channel (URA _ PCH) state, a CELL Paging Channel (CELL _ PCH) state, a CELL Forward access Channel (CELL _ FACH) state, a CELL Dedicated Channel (CELL _ DCH) state, and the like of the umts Radio access network, which define the types of physical channels and transport channels that can be used by a terminal.
In the CELL _ FACH state, the terminal may transmit uplink user data through an enhanced dedicated transport channel using a high speed uplink packet access technique when transmitting uplink data. There are two transmission time intervals of the enhanced dedicated transport channel, one is a 2 ms transmission time interval, that is, the enhanced dedicated transport channel is scheduled to transmit the enhanced dedicated transport channel data with an interval period of 2 ms, and the 2 ms transmission time interval is called a short transmission time interval; another is a 10 ms tti, i.e., the enhanced dedicated transport channel is scheduled to transmit data at 10 ms intervals, and such 10 ms tti is called a long tti.
When a terminal performs services such as PUSH Email (PUSH Email) and virtual connection, it needs to frequently send/receive packet data to/from a server. For this, the terminal may implement the service in the CELL _ FACH state, so as to avoid frequent state transition to CELL _ DCH. In addition, the smart phone terminal is used in a Universal Mobile Telecommunications System (UMTS) in a large scale, and needs to improve the utilization efficiency of an uplink, especially the utilization efficiency of an enhanced dedicated transport channel, according to the current network situation.
In the prior art, all common enhanced dedicated transport channel resources can be configured only for short transmission time intervals or only for long transmission time intervals. In view of this major constraint that a large random access channel coverage needs to be ensured, networks often tend to choose scheduling periods configured as long transmission time intervals. This forces terminals with larger power margins to transmit data using lower rates, making the gain from fast scheduling of short transmission time intervals unusable. Meanwhile, those terminals with smaller power headroom cannot benefit from the larger area edge coverage area caused by the scheduling period of the long transmission time interval.
In view of the above limitations, it would be desirable to improve that the common enhanced dedicated transport channel resources in a cell can be used for both short and long transmission time interval scheduling. Aiming at the network coverage condition and the terminal characteristics, the terminal dynamically selects a short transmission time interval or a long transmission time interval to use the enhanced dedicated transmission channel resource, so that the coverage range is ensured, and the high-rate transmission requirement of a user can be met.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide an uplink scheduling method and system, a terminal and a base station, which can select an appropriate uplink scheduling manner according to a network access status, achieve a high rate of uplink transmission and ensure a large coverage area.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an uplink scheduling method, dividing the preamble signature of PRACH at least into two types for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling; the method further comprises the following steps:
the terminal determines a short transmission time interval mode or a long transmission time interval scheduling mode used in uplink random access, selects a preamble signature corresponding to the determined scheduling mode to construct a preamble of the PRACH, and performs uplink random access.
Preferably, the method further comprises:
the network side divides the available preamble signatures of the PRACH into two types used for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling, and informs the terminal and the base station of the cell where the terminal belongs.
Preferably, the network side is a radio network controller;
the informing of the terminal and the base station to which the cell where the terminal belongs is as follows:
and the wireless network controller respectively informs the terminal and the base station to which the cell of the terminal belongs, or informs the terminal through the base station to which the cell of the terminal belongs.
Preferably, the method further comprises:
and after receiving the forward confirmation sent by the base station to which the cell of the terminal belongs, the terminal uses the determined scheduling mode to schedule the resource bearing the uplink data to be sent, and sends the uplink data.
Preferably, the method further comprises:
the base station of the cell where the terminal is located monitors the PRACH, determines the current scheduling mode according to the preamble signature in the PRACH, and sends forward confirmation to the terminal; and then receiving uplink data by using the determined scheduling mode.
Preferably, the receiving uplink data by using the determined scheduling manner includes:
the base station uses the interval period of the short transmission time interval to schedule E-DCH resources to receive the data of the enhanced dedicated transmission channel;
or, the base station uses the interval period of the long transmission time interval to schedule the E-DCH resource to receive the enhanced dedicated transmission channel data.
Preferably, the short tti scheduling method is that the terminal uses an interval period of the short tti to schedule E-DCH resources to send enhanced dedicated transport channel data;
the long transmission time interval scheduling mode is that the terminal uses the interval period of the long transmission time interval to schedule the E-DCH resource to send the enhanced dedicated transmission channel data.
A terminal includes a receiving unit, a determining unit, and a random access unit, wherein,
a receiving unit, configured to receive a notification that a preamble signature of a PRACH is divided into at least two types for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling, where the notification is sent by a network side;
a determining unit, configured to determine a short transmission time interval mode or a long transmission time interval scheduling mode used in uplink random access;
and the random access unit is used for selecting the preamble signature corresponding to the determined scheduling mode to construct the preamble of the PRACH and performing uplink random access.
Preferably, the terminal further includes:
and the sending unit is used for carrying out scheduling on the E-DCH resource by using the determined scheduling mode to send the enhanced dedicated transport channel data after the receiving unit receives the forward acknowledgement sent by the base station of the cell of the terminal.
A base station comprising a receiving unit, a listening unit and a transmitting unit, wherein,
a receiving unit, configured to receive a notification that a preamble signature of a PRACH is divided into at least two types for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling, where the notification is sent by a network side;
the monitoring unit is used for monitoring the PRACH of the terminal and determining the current scheduling mode according to the preamble signature in the PRACH;
a sending unit, configured to send a forward acknowledgement to the terminal;
the receiving unit further schedules the E-DCH resource by using the determined scheduling mode to receive the enhanced dedicated transport channel data.
An uplink scheduling system comprises a network side, a terminal and a base station to which a cell where the terminal is located belongs; wherein,
a network side, configured to divide a preamble signature of a PRACH into at least two types used for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling, and notify the terminal and a base station to which a cell where the terminal is located belongs;
and the terminal is used for determining a short transmission time interval mode or a long transmission time interval scheduling mode used in uplink random access, selecting a preamble signature corresponding to the determined scheduling mode to construct a preamble of the PRACH, and performing uplink random access.
Preferably, the network side is a radio network controller;
the radio network controller is further configured to respectively notify the terminal and a base station to which the cell where the terminal is located belongs, or notify the terminal through the base station to which the cell where the terminal is located belongs.
Preferably, the terminal is further configured to, after receiving a forward acknowledgement sent by a base station to which a cell in which the terminal belongs, perform scheduling on the E-DCH resource using the determined scheduling method to send enhanced dedicated transport channel data.
Preferably, the base station to which the cell in which the terminal belongs is further configured to monitor a PRACH of the terminal, determine a current scheduling mode according to a preamble signature in the PRACH, and send a forward acknowledgement to the terminal; and then scheduling the E-DCH resource by using the determined scheduling mode to receive the enhanced dedicated transport channel data.
In the invention, the preamble signature of the PRACH is at least divided into two types used for indicating the scheduling of the short transmission time interval mode and the scheduling of the long transmission time interval mode, so that the terminal can use the scheduling of the short transmission time interval mode and the scheduling of the long transmission time interval mode when carrying out uplink data scheduling. The invention uses the enhanced dedicated transmission channel resource by dynamically selecting a short transmission time interval scheduling mode or a long transmission time interval scheduling mode by the terminal according to the network coverage condition and the terminal characteristics, thereby not only ensuring the network coverage range, but also meeting the uplink high-speed transmission requirement.
Drawings
Fig. 1 is a flowchart of a first embodiment of an uplink scheduling method according to the present invention;
fig. 2 is a flowchart of a second uplink scheduling method according to the present invention;
fig. 3 is a flowchart of a third uplink scheduling method according to the present invention;
fig. 4 is a flowchart of a fourth uplink scheduling method according to the present invention;
FIG. 5 is a schematic diagram of a terminal according to the present invention;
fig. 6 is a schematic diagram of a structure of a base station according to the present invention.
Detailed Description
The basic idea of the invention is as follows: by at least dividing the preamble signature of the PRACH into two types used for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling, the terminal can use the short transmission time interval mode scheduling and the long transmission time interval mode scheduling when performing uplink data scheduling.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings by way of examples.
In the invention, a network side (a wireless network controller and the like) divides available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel into an available preamble signature subset A and an available preamble signature subset B. Wherein the enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset a to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a short transmission time interval. The enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset B to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a long transmission time interval. The terminal decides the transmission time interval used by uplink (i.e. determines the scheduling mode of uplink data), and informs the base station (node B) of the selected scheduling mode of uplink data by using the available preamble signature subset a or the available preamble signature subset B (scheduling uplink data by using a long time interval mode or scheduling uplink data by using a short time interval mode). The terminal and the node B perform transmission and reception of enhanced dedicated transport channel data at a uniform transmission time interval.
The base station in the present invention mainly refers to a node b (node b), and certainly, for a multi-application communication system, it may be a common base station or an evolved base station, etc.
The essence of the technical solution of the present invention is further clarified by specific examples below.
Example one
This example focuses on the uplink random access and uplink data transmission process at the terminal side, where the terminal resides in a certain cell and is in a cell forward access channel state. Fig. 1 is a flowchart of a first embodiment of an uplink scheduling method according to the present invention, and as shown in fig. 1, the uplink scheduling method specifically includes the following steps:
step 110, the terminal receives a Radio Resource Control (RRC) signaling sent by the rnc in the cell, and obtains the following information from the RRC signaling: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel. The use of the available preamble signature subset a then indicates that enhanced dedicated transport channel data is transmitted (terminal side) or received (base station side) with a short transmission time interval period for scheduling of the enhanced dedicated transport channel. The use of the available preamble signature subset B then indicates that enhanced dedicated transport channel data is transmitted or received with a long transmission time interval gap period for scheduling of the enhanced dedicated transport channel.
The terminal maintains information of available preamble signature subsets a and available preamble signature subsets B obtained from the radio network controller.
In step 120, it is assumed that the terminal determines to use a short tti for scheduling the e-dch to transmit the e-dch data according to a certain policy. Here, the strategy for scheduling uplink data in the short tti method or the long tti method is configured in advance in the terminal. For example, when the network coverage needs to be ensured, a long-time interval mode is selected to schedule uplink data, and when the data transmission rate needs to be increased, a short-time interval mode is used to schedule uplink data. The configuration of the above-mentioned strategy is easy to implement, and the determination mode of the strategy is not described herein again because it is not a difficult point or a key point for implementing the technical scheme of the present invention.
Step 130, the terminal initiates uplink random access. And the terminal randomly selects a preamble signature in the available preamble signature subset A to construct a preamble of the PRACH, and performs uplink random access.
In step 140, the terminal receives the forward acknowledgement of the acquisition indicator channel from the node B and the enhanced dedicated transport channel resource allocated by the node B for the terminal.
In step 150, the terminal performs scheduling of the enhanced dedicated transport channel at short transmission time intervals to transmit enhanced dedicated transport channel data. After the data transmission is finished, the enhanced dedicated transmission channel resource is released.
Assuming that the terminal determines to use a long tti for scheduling the e-dch to transmit the e-dch data according to a certain policy, step 160.
In step 170, the terminal tries to initiate uplink random access. And the terminal randomly selects a preamble signature from the available preamble signature subset B to construct a PRACH preamble, and performs uplink random access.
In step 180, the terminal receives the forward acknowledgement from the acquisition indicator channel and the enhanced dedicated transport channel resource allocated by the node B for the terminal.
In step 190, the terminal performs scheduling of the enhanced dedicated transport channel at long transmission time intervals to transmit enhanced dedicated transport channel data. After the data transmission is finished, the enhanced dedicated transmission channel resource is released.
It should be noted that, in the present invention, the rnc is only a representative network side, and in other communication networks, the rnc may also be a Mobility Management Entity (MME) or the like, or may also be another network element.
Example two
This example focuses on the process on the base station side. Fig. 2 is a flowchart of a second embodiment of the uplink scheduling method of the present invention, and as shown in fig. 2, the uplink scheduling method of this example specifically includes the following steps:
in step 210, the node B receives a node B Application Part protocol (NBAP, NodeB Application Part) signaling sent by the radio network controller, and performs configuration of a common enhanced dedicated transport channel operation in a designated cell. The NBAP signaling includes the following information: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel. Wherein the enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset a to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a short transmission time interval. The enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset B to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a long transmission time interval. The node B saves this information.
In step 220, the node B listens to the physical random access channel initiated by the terminal in the designated cell.
Step 230, the node B analyzes the preamble signature in the preamble of the PRACH, determines that the preamble signature belongs to the available preamble signature subset a, and the node B records the short transmission time interval used by the terminal.
The node B sends a forward acknowledgement over the acquisition indicator channel, and the enhanced dedicated transport channel resources allocated by the node B for use by the terminal, step 240.
The node B schedules the enhanced dedicated transport channel to receive enhanced dedicated transport channel data at short transmission time intervals, step 250. After the data reception is finished, the enhanced dedicated transport channel resource is released.
In step 260, the node B listens to the physical random access channel initiated by the terminal in the designated cell.
Step 270, the node B analyzes the preamble signature in the preamble of the PRACH, determines that the preamble signature belongs to the available preamble signature subset B, and the node B records the long transmission time interval used by the terminal.
The node B sends a forward acknowledgement through the acquisition indicator channel, and the enhanced dedicated transport channel resources allocated by the node B for use by the terminal, step 280.
In step 290, the node B performs scheduling of the enhanced dedicated transport channel for a long transmission time interval to receive enhanced dedicated transport channel data. After the data reception is finished, the enhanced dedicated transport channel resource is released.
EXAMPLE III
This example focuses on the processing procedure on the network side (network elements such as radio network controller). Fig. 3 is a flowchart of a second embodiment of the uplink scheduling method of the present invention, and as shown in fig. 3, the uplink scheduling method of this example specifically includes the following steps:
in step 310, the rnc decides to configure the common eu-dch operation in the designated cell. The specific configuration comprises the following steps: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel. Wherein the enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset a to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a short transmission time interval. The enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset B to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a long transmission time interval.
Step 320, the radio network controller sends NBAP signaling to the node B, informing the node B to perform configuration of common enhanced dedicated transport channel operation in the designated cell. The NBAP signaling includes the following information: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel. The use of the available preamble signature subset a then indicates that enhanced dedicated transport channel data is transmitted or received with a short transmission time interval period for scheduling of the enhanced dedicated transport channel. The use of the available preamble signature subset B then indicates that enhanced dedicated transport channel data is transmitted or received with a long transmission time interval gap period for scheduling of the enhanced dedicated transport channel.
Step 330, the radio network controller sends an RRC signaling to the terminal in the designated cell, where the RRC signaling includes the following information: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel. Wherein the enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset a to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a short transmission time interval. The enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset B to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a long transmission time interval.
In the invention, the wireless network controller can respectively send NBAP signaling and RRC signaling to the base station and the terminal to inform the division mode of PRACH preamble signature, or can firstly inform the base station through the NBAP signaling and then inform the terminal through the base station. Since the above notification is easy to implement, the detailed implementation of the present invention is not described in detail.
Example four
Fig. 4 is a flowchart of a second embodiment of the uplink scheduling method of the present invention, and as shown in fig. 4, the uplink scheduling method of this example specifically includes the following steps:
the radio network controller decides to configure the common enhanced dedicated transport channel operation in the designated cell, step 410. The specific configuration comprises the following steps: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel. Wherein the enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset a to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a short transmission time interval. The enhanced dedicated transport channel data is transmitted or received using the available preamble signature subset B to indicate that the enhanced dedicated transport channel is scheduled with an interval period of a long transmission time interval.
Step 420, the radio network controller sends NBAP signaling to the node B, informing the node B to perform configuration of common enhanced dedicated transport channel operation in the designated cell. The NBAP signaling includes the following information: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel.
The node B saves the above information.
In step 430, the terminal resides in the designated cell and is in a cell forward access channel state. The terminal receives the RRC signaling sent by the radio network controller in the designated cell, and obtains the following information from the RRC signaling: available preamble signature subset a and available preamble signature subset B of available preamble signatures of a preamble part of a physical random access channel carrying an enhanced dedicated transport channel.
The terminal stores the information.
In step 440, the terminal decides to transmit the enhanced dedicated transport channel data using a short tti scheduling for the enhanced dedicated transport channel.
In step 450, the terminal tries to initiate uplink random access in the designated cell. And the terminal randomly selects a preamble signature from the available preamble signature subset A to construct a PRACH preamble, and performs uplink random access.
In step 460, the node B receives the physical random access channel preamble initiated by the terminal in the designated cell.
Step 470, the node B analyzes the preamble signature in the PRACH preamble, determines that the preamble signature belongs to the available preamble signature subset a, and the node B records the short transmission time interval used by the terminal.
The node B sends a forward acknowledgement through the acquisition indicator channel, and the enhanced dedicated transport channel resources allocated by the node B for use by the terminal, step 480. The terminal receives the forward acknowledgement from the acquisition indicator channel and the enhanced dedicated transport channel resources allocated by the node B for the terminal.
In step 490, the terminal performs scheduling of the enhanced dedicated transport channel at short transmission time intervals to transmit enhanced dedicated transport channel data. The node B schedules the enhanced dedicated transport channel to receive enhanced dedicated transport channel data at short transmission time intervals. After the data reception is finished, the enhanced dedicated transport channel resource is released.
In step 500, the terminal decides to transmit the enhanced dedicated transport channel data by scheduling the enhanced dedicated transport channel using a long transmission time interval.
Step 510, the terminal initiates uplink random access in the designated cell. And the terminal randomly selects a preamble signature from the available preamble signature subset B to construct a PRACH preamble, and performs uplink random access.
In step 520, the node B receives the physical random access channel preamble initiated by the terminal in the designated cell.
Step 530, the node B analyzes the preamble signature in the PRACH preamble, determines that the preamble signature belongs to the available preamble signature subset B, and the node B records the long transmission time interval used by the terminal.
The node B sends a forward acknowledgement through the acquisition indicator channel, and the enhanced dedicated transport channel resources allocated by the node B for use by the terminal, step 540. The terminal receives the forward acknowledgement from the acquisition indicator channel and the enhanced dedicated transport channel resources allocated by the node B for the terminal.
In step 550, the terminal performs scheduling of the enhanced dedicated transport channel at long transmission time intervals to transmit enhanced dedicated transport channel data. The node B schedules the enhanced dedicated transport channel for a long transmission time interval to receive enhanced dedicated transport channel data. After the data reception is finished, the enhanced dedicated transport channel resource is released.
Fig. 5 is a schematic diagram of a composition structure of a terminal of the present invention, and as shown in fig. 5, the terminal of the present invention includes a receiving unit 50, a determining unit 51 and a random access unit 52, wherein,
a receiving unit 50, configured to receive a notification that a preamble signature of a PRACH is divided into at least two types for indicating short transmission time interval scheduling and long transmission time interval scheduling, where the notification is sent by a network side;
a determining unit 51, configured to determine a short transmission time interval mode or a long transmission time interval scheduling mode used in uplink random access;
and a random access unit 52, configured to select a preamble signature corresponding to the determined scheduling manner to construct a preamble of the PRACH, and perform uplink random access.
On the basis of the structure shown in fig. 5, the terminal of the present invention further includes:
and a transmitting unit (not shown) configured to, after the receiving unit receives the forward acknowledgement transmitted by the base station to which the cell to which the terminal belongs, schedule the E-DCH resource using the determined scheduling method, and transmit the enhanced dedicated transport channel data.
It should be understood by those skilled in the art that the terminal shown in fig. 5 is mainly used in the foregoing first to fourth embodiments, and the functions of each processing unit in the terminal shown in fig. 5 can be understood by referring to the description related to the foregoing first to fourth embodiments, and the functions of each processing unit can be implemented by a program running on a processor or by a specific logic circuit.
Fig. 6 is a schematic diagram of a configuration of a base station of the present invention, and as shown in fig. 6, the base station of the present invention includes a receiving unit 60, a listening unit 61, and a transmitting unit 62, wherein,
a receiving unit 60, configured to receive a notification that a preamble signature of a PRACH is divided into at least two types for indicating short transmission time interval scheduling and long transmission time interval scheduling, where the notification is sent by a network side;
the monitoring unit 61 is configured to monitor a PRACH of a terminal, and determine a current scheduling mode according to a preamble signature in the PRACH;
a sending unit 62, configured to send a forward acknowledgement to the terminal;
the receiving unit 60 further performs scheduling of the E-DCH resource by using the determined scheduling method to receive the enhanced dedicated transport channel data.
It should be understood by those skilled in the art that the base station shown in fig. 6 is mainly used in the foregoing first to fourth embodiments, and the functions of each processing unit in the base station shown in fig. 6 can be understood by referring to the description related to the foregoing first to fourth embodiments, and the functions of each processing unit can be implemented by a program running on a processor or by a specific logic circuit.
The invention also discloses an uplink scheduling system, which comprises a network side, a terminal and a base station to which the cell of the terminal belongs; wherein,
a network side, configured to divide a preamble signature of a PRACH into at least two types used for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling, and notify the terminal and a base station to which a cell where the terminal is located belongs;
and the terminal is used for determining a short transmission time interval mode or a long transmission time interval scheduling mode used in uplink random access, selecting a preamble signature corresponding to the determined scheduling mode to construct a preamble of the PRACH, and performing uplink random access.
The network side is a wireless network controller;
the radio network controller is further configured to respectively notify the terminal and a base station to which a cell in which the terminal belongs, or notify the terminal through the base station to which the cell in which the terminal belongs.
The terminal is further configured to, after receiving a forward acknowledgement sent by a base station to which a cell in which the terminal is located belongs, schedule the E-DCH resource using the determined scheduling method to send enhanced dedicated transport channel data.
The base station to which the cell where the terminal belongs is further configured to monitor a PRACH of the terminal, determine a current scheduling mode according to a preamble signature in the PRACH, and send a forward acknowledgement to the terminal; and then scheduling the E-DCH resource by using the determined scheduling mode to receive the enhanced dedicated transport channel data.
It should be understood by those skilled in the art that the uplink scheduling system of the present invention is implemented to implement the foregoing uplink scheduling method, and the present invention has no change in network structure, but the functions implemented by the above network elements are different from those implemented by related network elements in the existing network. Specifically, the uplink scheduling system of the present invention can be understood by referring to the related descriptions of the first to fourth embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (14)

1.一种上行调度方法，其特征在于，将物理随机接入信道PRACH的前导签名至少分为用于指示短传输时间间隔方式调度和长传输时间间隔方式调度的两种类型；所述方法还包括： 1. A method for uplink scheduling, characterized in that the preamble signature of the physical random access channel PRACH is at least divided into two types for indicating short transmission time interval mode scheduling and long transmission time interval mode scheduling; include: 终端确定上行随机接入时所使用的短传输时间间隔方式或长传输时间间隔调度方式，并选用与所确定的调度方式对应的前导签名构建PRACH的前导，进行上行随机接入。 The terminal determines the short transmission time interval mode or the long transmission time interval scheduling mode used in the uplink random access, and selects the preamble signature corresponding to the determined scheduling mode to construct the preamble of the PRACH, and performs the uplink random access. 2.根据权利要求1所述的方法，其特征在于，所述方法还包括： 2. The method according to claim 1, characterized in that the method further comprises: 网络侧将PRACH的可用前导签名分为用于指示短传输时间间隔方式调度和长传输时间间隔方式调度的两种类型，并通知所述终端及所述终端所在小区所属的基站。 The network side divides the available preamble signatures of the PRACH into two types for indicating short transmission time interval scheduling and long transmission time interval scheduling, and notifies the terminal and the base station of the cell where the terminal is located. 3.根据权利要求2所述的方法，其特征在于，所述网络侧为无线网络控制器； 3. The method according to claim 2, wherein the network side is a wireless network controller; 所述通知所述终端及所述终端所在小区所属的基站，为： The notification to the terminal and the base station to which the cell where the terminal belongs is: 所述无线网络控制器分别通知所述终端及所述终端所在小区所属的基站，或者，所述无线网络控制器通过所述终端所在小区所属的基站通知所述终端。 The radio network controller notifies the terminal and the base station of the cell where the terminal is located respectively, or the radio network controller notifies the terminal through the base station of the cell where the terminal is located. 4.根据权利要求2所述的方法，其特征在于，所述方法还包括： 4. The method according to claim 2, characterized in that the method further comprises: 所述终端接收到所述终端所在小区所属的基站发送的正向确认后，使用所确定的调度方式调度承载待发送上行数据的资源，进行上行数据发送。 After receiving the forward acknowledgment sent by the base station to which the cell the terminal belongs to, the terminal uses the determined scheduling mode to schedule resources bearing uplink data to be sent, and send uplink data. 5.根据权利要求4所述的方法，其特征在于，所述方法还包括： 5. method according to claim 4, is characterized in that, described method also comprises: 所述终端所在小区所属的基站侦听所述PRACH，根据所述PRACH中的前导签名确定当前的调度方式，向所述终端发送正向确认；随后利用所确定的调度方式接收上行数据。 The base station of the cell where the terminal is located listens to the PRACH, determines the current scheduling mode according to the preamble signature in the PRACH, and sends a forward confirmation to the terminal; then receives uplink data using the determined scheduling mode. 6.根据权利要求5所述的方法，其特征在于，所述利用所确定的调度方式接收上行数据，为： 6. The method according to claim 5, wherein the receiving uplink data using the determined scheduling method is: 所述基站使用短传输时间间隔的间隔周期进行增强型专用传输信道 E-DCH资源的调度来接收增强型专用传输信道数据； The base station uses the interval period of the short transmission time interval to schedule the enhanced dedicated transport channel E-DCH resources to receive the enhanced dedicated transport channel data; 或者，所述基站使用长传输时间间隔的间隔周期进行E-DCH资源的调度来接收增强型专用传输信道数据。 Or, the base station uses the interval period of the long transmission time interval to schedule the E-DCH resource to receive the enhanced dedicated transmission channel data. 7.根据权利要求1至5任一项所述的方法，其特征在于，所述短传输时间间隔调度方式为，所述终端使用短传输时间间隔的间隔周期进行E-DCH资源的调度来发送增强型专用传输信道数据； 7. The method according to any one of claims 1 to 5, wherein the short transmission time interval scheduling method is that the terminal uses the interval period of the short transmission time interval to schedule E-DCH resources to transmit Enhanced dedicated transport channel data; 所述长传输时间间隔调度方式为，所述终端使用长传输时间间隔的间隔周期进行E-DCH资源的调度来发送增强型专用传输信道数据。 The long transmission time interval scheduling manner is that the terminal uses the interval period of the long transmission time interval to schedule E-DCH resources to send enhanced dedicated transmission channel data. 8.一种终端，其特征在于，包括接收单元、确定单元和随机接入单元，其中， 8. A terminal, characterized by comprising a receiving unit, a determining unit, and a random access unit, wherein, 接收单元，用于接收网络侧发送的将PRACH的前导签名至少分为用于指示短传输时间间隔方式调度和长传输时间间隔方式调度的两种类型的通知； The receiving unit is used to receive the notification sent by the network side that divides the preamble signature of the PRACH into at least two types for indicating scheduling in a short transmission time interval mode and scheduling in a long transmission time interval mode; 确定单元，用于确定上行随机接入时所使用的短传输时间间隔方式或长传输时间间隔调度方式； A determining unit, configured to determine the short transmission time interval mode or the long transmission time interval scheduling mode used during uplink random access; 随机接入单元，用于选用与所确定的调度方式对应的前导签名构建PRACH的前导，进行上行随机接入。 The random access unit is configured to select the preamble signature corresponding to the determined scheduling mode to construct the preamble of the PRACH, and perform uplink random access. 9.根据权利要求8所述的终端，其特征在于，所述终端还包括： 9. The terminal according to claim 8, further comprising: 发送单元，用于在所述接收单元接收到所述终端所在小区所属的基站发送的正向确认后，使用所确定的调度方式进行E-DCH资源的调度来发送增强型专用传输信道数据。 The sending unit is configured to, after the receiving unit receives the forward acknowledgment sent by the base station of the cell where the terminal is located, use the determined scheduling method to schedule E-DCH resources to send enhanced dedicated transport channel data. 10.一种基站，其特征在于，包括接收单元、侦听单元和发送单元，其中， 10. A base station, characterized in that it includes a receiving unit, a listening unit and a sending unit, wherein, 接收单元，用于接收网络侧发送的将PRACH的前导签名至少分为用于指示短传输时间间隔方式调度和长传输时间间隔方式调度的两种类型的通知； The receiving unit is used to receive the notification sent by the network side that divides the preamble signature of the PRACH into at least two types for indicating scheduling in a short transmission time interval mode and scheduling in a long transmission time interval mode; 侦听单元，用于侦听终端的PRACH，根据所述PRACH中的前导签名确定当前的调度方式； The listening unit is configured to listen to the PRACH of the terminal, and determine the current scheduling mode according to the preamble signature in the PRACH; 发送单元，用于向终端发送正向确认； a sending unit, configured to send a forward confirmation to the terminal; 所述接收单元进一步利用所确定的调度方式进行E-DCH资源的调度来接 收增强型专用传输信道数据。 The receiving unit further uses the determined scheduling method to schedule E-DCH resources to receive enhanced dedicated transport channel data. 11.一种上行调度系统，包括网络侧、终端和所述终端所在小区所属的基站；其特征在于， 11. An uplink scheduling system, comprising a network side, a terminal, and a base station to which the cell where the terminal is located; is characterized in that, 网络侧，用于将PRACH的前导签名至少分为用于指示短传输时间间隔方式调度和长传输时间间隔方式调度的两种类型，并通知所述终端及所述终端所在小区所属的基站； The network side is used to divide the preamble signature of the PRACH into at least two types used to indicate short transmission time interval scheduling and long transmission time interval scheduling, and notify the terminal and the base station to which the cell where the terminal is located belongs; 终端，用于确定上行随机接入时所使用的短传输时间间隔方式或长传输时间间隔调度方式，并选用与所确定的调度方式对应的前导签名构建PRACH的前导，进行上行随机接入。 The terminal is used to determine the short transmission time interval mode or the long transmission time interval scheduling mode used in the uplink random access, and select the preamble signature corresponding to the determined scheduling mode to construct the preamble of the PRACH, and perform the uplink random access. 12.根据权利要求10所述的系统，其特征在于，所述网络侧为无线网络控制器； 12. The system according to claim 10, wherein the network side is a wireless network controller; 所述无线网络控制器进一步用于，分别通知所述终端及所述终端所在小区所属的基站，或者，通过所述终端所在小区所属的基站通知所述终端。 The radio network controller is further configured to separately notify the terminal and the base station to which the cell where the terminal belongs, or notify the terminal through the base station to which the cell where the terminal belongs. 13.根据权利要求10所述的系统，其特征在于，所述终端进一步用于，在接收到所述终端所在小区所属的基站发送的正向确认后，使用所确定的调度方式进行E-DCH资源的调度来发送增强型专用传输信道数据。 13. The system according to claim 10, wherein the terminal is further configured to, after receiving the forward confirmation sent by the base station of the cell where the terminal is located, use the determined scheduling method to perform E-DCH Scheduling of resources to send Enhanced Dedicated Transport Channel data. 14.根据权利要求13所述的系统，其特征在于，所述终端所在小区所属的基站进一步用于，侦听所述终端的PRACH，根据所述PRACH中的前导签名确定当前的调度方式，向所述终端发送正向确认；随后利用所确定的调度方式进行E-DCH资源的调度来接收增强型专用传输信道数据。  14. The system according to claim 13, wherein the base station of the cell where the terminal is located is further configured to listen to the PRACH of the terminal, determine the current scheduling mode according to the preamble signature in the PRACH, and send The terminal sends a forward acknowledgment; then uses the determined scheduling method to schedule E-DCH resources to receive enhanced dedicated transport channel data. the
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