WO2008080296A1 - Procédé adapté pour configurer et utiliser des voies de signalisation dans un système d'accès par paquets sur la liaison montante à grande vitesse - Google Patents
Procédé adapté pour configurer et utiliser des voies de signalisation dans un système d'accès par paquets sur la liaison montante à grande vitesse Download PDFInfo
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- WO2008080296A1 WO2008080296A1 PCT/CN2007/003510 CN2007003510W WO2008080296A1 WO 2008080296 A1 WO2008080296 A1 WO 2008080296A1 CN 2007003510 W CN2007003510 W CN 2007003510W WO 2008080296 A1 WO2008080296 A1 WO 2008080296A1
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- the present invention relates to communication or, and in particular, to a method of configuring and using a signaling channel in an uplink enhanced system.
- 3GPP 3rd Generation Partnership Project
- WCDMA Wideband Code Division Multiple Access
- HSUPA High Speed Uplink Packet Access
- TD-CDMA Time Division Synchronous Code Division Multiple Access
- the network processing time is reduced by introducing Adaptive Modulation and Coding (AMC), Hybrid Automatic Retransmission Request (HQQ), and Node B (Node B) controlled scheduling techniques. Delay, thereby increasing the rate of uplink packet services and improving spectrum utilization efficiency.
- AMC Adaptive Modulation and Coding
- HQQ Hybrid Automatic Retransmission Request
- Node B Node B controlled scheduling techniques. Delay, thereby increasing the rate of uplink packet services and improving spectrum utilization efficiency.
- the HSUPA system is also known as the uplink augmentation system, referred to as the E-DCH system.
- the E-DCH system in terms of the physical layer, the HSUPA technology is newly introduced into the E-PUCH physical channel for transmitting the E-DCH type coded composite transmission channel (CCTrCH).
- the scheduling entity located in the MAC enhancement sublayer (MAC-e) of the Node B is responsible for the allocation of E-PUCH physical resources.
- E-UCCH E-DCH uplink
- the link control channel is used for transmitting E-TFCI and HARQ related information
- the E-RUCCH E-DCH random access uplink control channel
- An absolute grant access channel (E-AGCH) and a HARQ acknowledgment indicator channel (E-HICH) are newly introduced in the downlink signaling channel, and the E-AGCH is used to transmit 4$: weight information; the E-HICH is used to carry the uplink E-DCH HARQ indication information.
- each transmission time interval (TTI), E-UCCH (uplink signaling channel), and E-DCH are multiplexed into one or more E-PUCHs in one or more time slots, usually, one time There is only one E-PUCH in the gap.
- Figure 1 shows the burst structure of E-UCCH and E-DCH multiplexing, where the "data symbol" part carries the E-ECH, and the E-UCCH first part and the second part are the carried E-UCCH.
- N E-UCCH channels can be transmitted in one TTI, and each E-UCCH carries the same uplink signaling.
- the receiver combines and decodes the N E-UCCHs.
- the Node B allocates the number N of E-UCCHs according to the radio channel environment, and sends the Ns through the E-AGCH to the user equipment (UE); A certain rule sends N E-UCCH channels; Node B receives N E-UCCH channels according to the same rule.
- the Node B is based on the number of E-UCCHs allocated by the radio environment at the time, and the UE actually uses the N value is time-delayed, as shown in FIG. 2, the N value is in the E-AGCH.
- the UE sends N E-UCCHs on the E-PUCH. If the impact of uplink resource scheduling in the HSUPA technology is further considered, the number of E-UCCHs N is allocated from the Node B, and the time interval in the range in which the UE uses the N value is a variable greater than tl.
- the present invention is mainly directed to uplink signaling that is caused by delay variability between radio channel time-varying and uplink signaling channel allocation and usage in an uplink enhancement technique of a time division synchronous code division multiple access system. The problem of failure.
- a method of configuring and using a signaling channel in an uplink enhanced system is provided.
- the method includes: the Node B determines the number of uplink signaling channels to be used, and carries the quantity information in the scheduling authorization information sent to the user equipment; in response to the scheduling authorization information, the user equipment determines whether it is the first transmission and/or Or whether the time interval between the subsequent uplink signaling channel transmission and the last uplink channel signaling transmission is greater than a threshold, and according to the judgment result, different transmission strategies are used to transmit the uplink signaling channel; and, the Node B determines whether it is the first Whether the time interval between the secondary reception and/or the subsequent uplink signaling channel reception and the previous uplink channel signaling reception is greater than a threshold, and adopting different receiving policies according to the determination result to receive the uplink signaling channel.
- the user equipment sends a pre-configured number of uplink signaling channels when the time interval is greater than the threshold, in the case that the user equipment adopts different transmission policies according to the judgment result; and the user equipment is in the case that the time interval is not greater than the threshold.
- the number of uplink signaling channels allocated in the process of scheduling grant information will be transmitted.
- the user equipment sends a pre- The number of uplink signaling channels is configured first, or the number of uplink signaling channels allocated in the process of scheduling grant information is transmitted.
- the Node B when the time interval is greater than the threshold, the Node B will receive the pre-configured number of uplink signaling channels; if the time interval is not greater than the threshold, the node B will receive the number of uplink signaling channels allocated during the scheduling of the grant information.
- the Node B For the first reception, corresponding to the transmission of the user equipment, according to the system configuration, the Node B will receive a pre-configured number of uplink signaling channels or a number of uplink signaling channels allocated in the process of scheduling the grant information.
- the foregoing first transmission and reception refers to the first transmission and reception after the user equipment successfully sends the scheduling authorization information to the user equipment after the user equipment successfully sends the uplink enhanced control information to the node B through the random access manner.
- the Node B determines the number of uplink signaling channels to be used according to one or more of the following factors: The quality of the combined uplink channel, the channel quality of all uplink enhanced physical channels carrying all uplink signaling channels, and the otherwise obtained uplink radio channel environmental quality.
- the Node B determines the number of uplink signaling channels to be used after receiving the uplink enhanced signaling channel, or determines, by the Node B, the number of uplink signaling channels to be used when the next scheduling is determined or determined.
- the predetermined threshold is fixed by the system, or is set by the network side and configured to the user equipment and/or the node B through the high layer signaling; the pre-configured quantity of the uplink channel signaling is fixed by the system, or is set by the network side. And configured by the high-level signaling to the user equipment and/or the node B; the method for determining the number of uplink signaling channels when transmitting and receiving for the first time is fixed by the system, or is set by the network side and sent to the user through high-level signaling.
- a method of configuring and using a signaling channel in an uplink enhanced system includes: determining, by the Node B, whether the time interval between the first scheduling and/or the subsequent scheduling and the previous scheduling is greater than a threshold, and adopting different policies according to the determination result to determine the number of uplink signaling channels to be used, And carrying the quantity of information in the scheduling authorization information sent to the user equipment; in response to the scheduling authorization information, the user equipment transmits the uplink signaling channel according to the scheduling authorization information; and, the Node B receives the uplink signaling channel according to the scheduling authorization information.
- the node B determines to use the pre-configured number of uplink signaling channels; when the time interval is not greater than the threshold, the node B may The number of uplink signaling channels to be used is determined according to one or more of the following factors: the combined quality of the last received multiple uplink signaling channels, and the channels of all uplink enhanced physical channels carrying all the uplink signaling channels. Quality, and otherwise obtained the quality of the upstream wireless channel environment at this time.
- the Node B can use either a pre-configured number of uplink signaling channels or a number of uplink signaling channels determined according to the above method.
- the Node B determines the number of uplink signaling channels to be used after receiving the uplink enhanced signaling channel, or the Node B determines the number of uplink signaling channels to be used when the next scheduling is determined or determined.
- the node B receives the uplink enhanced control information that is sent by the user equipment in the random access manner, and the node B first schedules the authorized uplink enhanced physical resource for the user equipment.
- the predetermined threshold is fixedly set by the system, or is set by the network side and sent to the Node B through high layer signaling.
- the pre-configured quantity of the uplink channel signaling is fixed by the system, or is set by the network side and sent to the Node B through the high layer signaling.
- the method for determining the number of uplink signaling channels in the first scheduling is fixed by the system, or is set by the network side and sent to the Node B through high layer signaling.
- the present invention can solve the problem of failure of uplink signaling transmission and reduce signaling overhead.
- FIG. 1 is a schematic diagram of a burst structure of E-UCCH and E-DCH multiplexing according to the related art
- FIG. 2 is a schematic diagram of a timing relationship between E-AGCH and E-PUCH channels according to the related art
- 3 is a flowchart of a method for configuring and using a signaling channel in an uplink enhanced system according to a first embodiment of the present invention
- FIG. 4 is a configuration and use method of a signaling channel in an uplink enhanced system according to a second embodiment of the present invention.
- Step S302 the Node B determines the number of uplink signaling channels to be used, and carries the quantity information in the scheduling authorization information sent to the user equipment;
- Step S304 responding to the scheduling Authorization information, whether the first transmission and/or the user equipment determines whether the time interval between the subsequent uplink signaling channel transmission and the last uplink channel signaling transmission is greater than a threshold, and uses different transmission strategies to transmit according to the judgment result.
- step S306 the Node B determines whether the time interval between the first reception and/or the subsequent uplink signaling channel reception and the last uplink channel signaling reception is greater than a threshold, and is determined according to the determination result. Different receiving strategies are used to receive the uplink signaling channel.
- step S304 if the time interval is greater than the threshold, the user equipment will send a pre-configured number of uplink signaling channels; if the time interval is not greater than the threshold, the user equipment will send the allocation in step S302.
- the amount of upstream channel signaling For the first transmission, according to the system configuration, the user equipment transmits a pre-configured number of uplink signaling channels, or transmits the number of uplink signaling channels allocated in step S302.
- step S306 when the time interval is greater than the threshold, the Node B will receive the pre-configured number of uplink signaling channels; if the time interval is not greater than the threshold, the Node B will receive in step S302.
- the Node B will receive a pre-configured number of uplink signaling channels or the number of uplink signaling channels allocated in step S302.
- the foregoing first transmitting and receiving refers to that the user equipment successfully sends the uplink enhanced control information to the Node B through the random access manner, and the Node B successfully transmits the scheduling grant information to the user equipment for the first transmission and reception.
- the Node B determines the number of uplink signaling channels to be used according to one or more of the following factors: the quality of the combined uplink signaling channels received last time, and all uplinks are carried. The channel quality of all uplink enhanced physical channels of the signaling channel, and the quality of the uplink wireless channel environment obtained at other times.
- the Node B determines the number of uplink signaling channels to be used after receiving the uplink enhanced signaling channel, or determines, by the Node B, the number of uplink signaling channels to be used when the next scheduling is determined or determined.
- the predetermined threshold is fixedly set by the system, or is set by the network side and configured to the user equipment and/or the Node B through high layer signaling.
- the pre-configured quantity of the uplink channel signaling is fixedly set by the system, or is set by the network side and configured to the user equipment and/or the Node B through high layer signaling.
- the manner of determining the E-UCCH when transmitting and receiving for the first time is fixed by the system, or is set by the network side and sent to the user equipment and/or the Node B through high layer signaling.
- the uplink enhanced uplink signaling channel is E-UCCH information
- the uplink enhanced physical channel is an E-PUCH channel
- the downlink signaling channel E-AGCH channel is used for transmitting the scheduled 4 authorized information.
- E-UCCH is a transport channel
- E-PUCH and E-AGCH are physical channels
- E-UCCH and E-DCH are multiplexed on E-PUCH.
- the number of E-UCCH channels is dynamically allocated by E-AGCH. Referring to FIG.
- Step S302 the Node B allocates the number of E-UCCHs to be used next, and sends N to the UE in the next scheduling grant information;
- the number of E-UCCH channels is dynamically allocated.
- the Node B needs to determine the number of E-UCCHs that the UE needs to use during the next scheduling.
- the information that can be referred to is: the quality of the combined E-UCCH channels received last time, and the signals of all E-PUCH channels carrying all E-UCCH channels. Quality, other ways to obtain the quality of the uplink wireless channel environment at itl.
- the E-PUCH channel can be used to determine the number of E-UCCHs to be used for the next scheduling immediately after receiving the E-PUCH channel, or after the next scheduling determination or at the same time, using the last E-PUCH reception.
- the above information and subsequent wireless environment measurement information determine the number of E-UCCHs to be used for this scheduling.
- the Node B sends the scheduling authorization information, including the number of E-UCCHs, to the UE through the E-AGCH.
- Step S304 after receiving the scheduling grant information, if the time interval between the subsequent E-UCCH transmission and the previous transmission is greater than the threshold T1, the UE then sends the pre-configured M E-UCCHs; otherwise, the UE subsequently sends N E-UCCH; If it is the first transmission, according to the system configuration, the UE sends M E-UCCHs or sends N E-UCCHs.
- the threshold T1 there are two methods for configuring the threshold T1: one is that the system fixes a T1 value, which is not configurable; the other is that the T1 value is set by the network side, and is configured to the UE through high-level signaling; the pre-configured E
- T1 and M values in this step, and the manner in which the E-UCCH is transmitted for the first time must be consistent with the T1 and M values in step S306, and the manner in which the E-UCCH is transmitted for the first time.
- the UE After receiving the scheduling grant information, the UE transmits an E-PUCH physical channel and carries an E-UCCH transport channel after the system sets the time. If the E-PUCH transmitted at this time, or the time interval between the E-UCCH and the previously transmitted E-PUCH or E-UCCH is greater than the threshold T1, the UE transmits the E-PUCH physical channel on all time slots of one TTI.
- the pre-configured M E-UCCH channels are transmitted; otherwise, the UE sends N E-UCCH channels. If it is the first transmission, the UE can send M E-UCCHs or N E-UCCHs. However, one of them needs to be selected according to the system configuration, so as to maintain the consistency of the transmission of the UE and the reception of the Node B.
- the first transmission and reception refers to the first transmission and reception after the user equipment successfully sends the uplink enhanced control information to the Node B through the random access mode, and the Node B successfully sends the scheduling authorization information to the user equipment.
- Step S306 when the Node B receives the E-UCCH of a certain UE, if the time interval between the subsequent E-UCCH reception and the previous reception is greater than the threshold T1, the E-UCCH is received according to the pre-configured M; otherwise, N strips receive E-UCCH; if it is the first reception, corresponding to step S304, the Node B will receive M E-UCCHs, or N E-UCCHs.
- the Node B After the Node B sends the scheduling grant information to a certain UE, it receives the E-PUCH channel sent by the UE after the time set by the system, thereby receiving the E-UCCH channel. If the E-PUCH received at this time, or the time interval between the E-UCCH and the previously received E-PUCH or E-UCCH is greater than the threshold T1, the E-PUCH physics received by the Node B on all time slots of one TTI Letter The pre-configured M E-UCCH channels are received on the track; otherwise, the UE receives N E-UCCH channels. If it is the first reception, according to the system configuration, corresponding to step S304, the Node B will receive M E-UCCHs, or N E-UCCHs.
- FIG. 4 shows a flow of a configuration and use method of a signaling channel in an uplink enhanced system according to a second embodiment of the present invention. As shown in FIG.
- Step S402 The Node B determines whether the time interval between the first scheduling and/or the subsequent scheduling and the previous scheduling is greater than a threshold, and adopts different policies according to the determination result.
- Step S404 in response to the scheduling grant information, the user equipment transmits the uplink signaling channel according to the scheduling grant information;
- step S406 The Node B receives the uplink signaling channel according to the scheduling grant information.
- step S402 when the time interval is greater than the threshold, the Node B determines to use a pre-configured number of uplink signaling channels; and if the time interval is not greater than the threshold, the Node B may be in one of the following factors or Multiple to determine the number of uplink signaling channels to be used: the combined quality of the last received multiple uplink signaling channels, the channel quality of all uplink enhanced physical channels carrying all uplink signaling channels, and other ways At this time, the quality of the uplink wireless channel environment. For the first scheduling, depending on the system configuration, the Node B uses a pre-configured number of uplink signaling channels, or uses the number of upstream signaling channels determined according to the above method.
- the Node B determines the number of uplink signaling channels to be used after receiving the uplink enhanced signaling channel, or the Node B determines the number of uplink signaling channels to be used when the next scheduling is determined or determined.
- the Node B receives the uplink enhanced control information that is sent by the user equipment in the random access manner, and the Node B first schedules the authorized uplink enhanced physical resource for the user equipment.
- the predetermined threshold is fixedly set by the system, or is set by the network side and sent to the Node B through high layer signaling.
- the pre-configured quantity of the uplink channel signaling is fixed by the system, or is set by the network side and sent to the Node B through the high layer signaling.
- Step S402 The Node B determines whether the time interval between the first scheduling and/or the subsequent scheduling and the previous scheduling is greater than a threshold, according to the judgment.
- the node B determines whether it is the first scheduling, and if so, according to the system configuration, the node B uses the pre-configured M uplink signaling channels, or determines the N uplink signaling channels to be used according to one or more of the following factors: the quality and bearer of the combined multiple uplink signaling channels received last time The channel quality of all uplink enhanced physical channels of all uplink signaling channels, and the otherwise obtained uplink radio channel environmental quality at this time.
- the node B determines to use the pre-configured M uplink signaling channels when the time interval is greater than the threshold T1; One or more of the following factors are used to determine the N uplink signaling channels to be used: the combined quality of the last received multiple uplink signaling channels, and the channels of all uplink enhanced physical channels carrying all the uplink signaling channels. Quality, and otherwise obtained the quality of the upstream wireless channel environment at this time.
- the threshold T1 there are two methods for configuring the threshold T1: one is that the system fixes a T1 value, which is not configurable; the other is that the T1 value is set by the network side, and is configured to the UE through high layer signaling; There are also two methods described above for the configuration of the E-UCCH channel number M value and the E-UCCH number of the first scheduling.
- the E-PUCH channel may be used to determine the number of E-UCCHs to be used for the next scheduling after receiving the E-PUCH channel, or may be used after the next scheduling determination or at the same time.
- the above information at the time of E-PUCH reception and subsequent radio environment measurement information determine the number of E-UCCHs to be used in this scheduling.
- Node B determines the number of E-UCCHs to be used for the next scheduling and the next scheduling.
- the scheduling authorization information including the E-UCCH number M or N, is sent to the UE through the E-AGCH.
- Step S406 the Node B receives M or N E-UCCHs according to the E-UCCH number information in the scheduling grant information sent by the Node B.
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Description
上行增强系统中信令信道的配置和使用方法 技术领域 本发明涉及通信领 i或, 并且特别地, 涉及一种上行增强系统中信令信道 的配置和使用方法。 背景技术 在第三代移动通信系统中, 为了提供更高速率的上行分组业务, 提高频 语利用效率, 3GPP ( 3rd Generation Partnership Project ) 在宽带码分多址 ( WCDMA ) 和时分同步码分多址 (TD-CDMA ) 系统的规范中引入了高速 上行分组接入 ( High Speed Uplink Packet Access, HSUPA ) 特性, 即上行增 强特性。 在 HSDPA特性中, 通过引入自适应编码调制( Adaptive Modulation and Coding, AMC )、 混合自动重传请求 ( Hybrid Automatic Retransmission Request, HARQ ) 以及 Node B (节点 B )控制的调度技术, 减小网络处理时 延, 从而来提高上行分组业务速率, 提高频谱利用效率。
HSUPA 系统又被称为上行增强系统, 简称为 E-DCH 系统。 在 TD-SCDMA系统中,在物理层方面, HSUPA技术新弓 I入 E-PUCH物理信道, 用于传输 E-DCH类型的编码合成传输信道( CCTrCH )。位于 Node B的 MAC 增强子层( MAC-e )中的调度实体负责 E-PUCH物理资源的分配。并且 MAC-e 上行信令中的一部分由两条新引入的上行控制信道承载, 主要传输 HARQ、 辅助调度相关的信息,且这些信道都终止于 Node B,其中, E-UCCH ( E-DCH 上行链路控制信道)用于传输 E-TFCI、 HARQ相关的信息, E-RUCCH( E-DCH 随机接入上行链路控制信道) 用于传输辅助调度相关的信息。 下行信令信道 中新引入绝对授权接入信道( E-AGCH )和 HARQ确认指示信道( E-HICH ), E-AGCH用于传输 4$:权信息; E-HICH用于携带上行 E-DCH HARQ指示信息。 在物理层, 每个传输时间间隔 (TTI )、 E-UCCH (上行信令信道) 和 E-DCH复用到一个或者多个时隙内的一条或者多条 E-PUCH上, 通常, 一个 时隙只有一条 E-PUCH。 图 1示出了 E-UCCH和 E-DCH复用的突发结构, 其中的 "数据符号" 部分承载的是 E-ECH, E-UCCH第一部分和第二部分是 承载的 E-UCCH。 为了保证 E-UCCH承载的上行信令的性能, 可以釆用在一 个 TTI内发送 N条 E-UCCH信道, 每条 E-UCCH承载相同的上行信令。 在
接收方, 将 N条 E-UCCH合并解码。 同时, 为了节省信令占用的无线资源的 开销, 需要发送尽可能少的 E-UCCH信道。 为了实现上述需求, 可以采用动 态分配 E-UCCH条数的方法, 即: Node B根据无线信道环境分配 E-UCCH 条数 N, 并将 N通过 E-AGCH发送给用户设备( UE ); UE按照一定的规则 发送 N条 E-UCCH信道; Node B按相同的规则接收 N条 E-UCCH信道。 在上述动态分配 E-UCCH的方法中, Node B根据当时无线环境分配的 E-UCCH条数 N, 而 UE真正使用该 N值是有时延的, 如图 2所示, N值在 E-AGCH信道上发送给 UE, 经过一个最小的时间间隔 tl后, UE在 E-PUCH 上发送 N条 E-UCCH。 如果进一步考虑到 HSUPA技术中上行资源调度的影 响, 从 Node B分配 E-UCCH条数 N , 到 UE使用该 N值范围中的时间间隔 是一个大于 tl 的变量。 由于无线信道的时变特性, 导致 N值的分配并不适 合使用时的无线信道环境, 尤其是无线信道环境由好变差时, 从而导致上行 信令发送失败。 发明内容 本发明主要解决的是在时分同步码分多址接入系统的上行增强技术中, 由于无线信道时变性和上行信令信道分配和使用之间的时延可变性导致的上 行信令发送失败的问题。 考虑到上述问题, 根据本发明的实施例,提供了一种上行增强系统中信 令信道的配置和使用方法。 该方法包括: 节点 B 确定将要使用的上行信令信道的数量, 并在发送 给用户设备的调度授权信息中携带数量的信息; 响应于调度授权信息, 用户 设备判断是否为第一次发射和 /或随后的上行信令信道发射与上一次上行信 道信令发射之间的时间间隔是否大于阈值, 并根据判断结果釆取不同发射策 略来发射上行信令信道; 以及, 节点 B判断是否为第一次接收和 /或随后的上 行信令信道接收与上一次上行信道信令接收之间的时间间隔是否大于阈值, 并根据判断结果采取不同接收策略来接收上行信令信道。 其中, 在用户设备根据判断结果采取不同发射策略的过程中, 在时间间 隔大于阈值的情况下, 用户设备将发送预先配置数量的上行信令信道; 在时 间间隔不大于阈值的情况下, 用户设备将发送在调度授权信息的过程中分配 的数量的上行信令信道。 对于第一次发射, 根据系统配置, 用户设备发送预
先配置数量的上行信令信道, 或者发送在调度授权信息的过程中分配的数量 的上行信令信道。 另外, 在节点 B 根据判断结果采取不同接收策略的过程中, 在时间间 隔大于阈值的情况下, 节点 B将接收预先配置数量的上行信令信道; 在时间 间隔不大于阔值的情况下, 节点 B将接收在调度授权信息过程中分配的数量 的上行信令信道。 对于第一次接收, 对应于用户设备的发射, 根据系统配置, 节点 B将接收预先配置数量的上行信令信道或者在调度授权信息过程中分配 的数量的上行信令信道。 另外,上述第一次发射和接收是指用户设备通过随机接入方式成功发送 上行增强控制信息给节点 B后,节点 B成功发送调度授权信息给用户设备后 的第一次发射和接收。 另夕卜,在节点 B确定将要使用的上行信令信道的数量的过程中, 节点 B 根据以下因素中的一个或多个来确定将要使用的上行信令信道的数量: 最后 一次接收的多条上行信令信道合并后的质量、 承载所有上行信令信道的所有 上行增强物理信道的信道质量、 以及以其它方式获得的此时上行无线信道环 境质量。 其中, 节点 B在接收到上行增强信令信道后确定将要使用的上行信 令信道的数量, 或者, 节点 B在下一次调度确定时或确定后, 确定将要使用 的上行信令信道的数量。 另夕卜, 预定阔值由系统固定设置, 或者由网络侧设置并通过高层信令配 置给用户设备和 /或节点 B; 上行信道信令的预先配置数量由系统固定设置, 或者由网络侧设置并通过高层信令配置给用户设备和 /或节点 B; 第一次发送 和接收时的上行信令信道条数的确定方式由系统固定设置, 或者由网络侧设 置并通过高层信令发送给用户设备和 /或节点 B。 考虑到上述问题, 根据本发明的实施例, 又提供了一种上行增强系统中 信令信道的配置和使用方法。 该方法包括: 节点 B判断是否为第一次调度和 /或随后的调度与上一次 调度之间的时间间隔是否大于阔值, 根据判断结果采取不同策略确定将要使 用的上行信令信道的数量, 并在发送给用户设备的调度授权信息中携带数量 的信息; 响应于调度授权信息, 用户设备根据调度授权信息发射上行信令信 道; 以及, 节点 B根据调度授权信息接收上行信令信道。
其中, 在节点 B 根据判断结果采取不同策略的过程中, 在时间间隔大 于阈值的情况下, 节点 B确定使用预先配置数量的上行信令信道; 在时间间 隔不大于阈值的情况下, 节点 B可以根据以下因素中的一个或多个来确定将 要使用的上行信令信道的数量: 最后一次接收的多条上行信令信道合并后的 质量、 承载所有上行信令信道的所有上行增强物理信道的信道质量、 以及以 其它方式获得的此时上行无线信道环境质量。 对于第一次调度, 节点 B既可 以使用预先配置数量的上行信令信道, 也可以使用根据上述方法确定的数量 的上行信令信道。 其中, 节点 B 在接收到上行增强信令信道后确定将要使用的上行信令 信道的数量, 或者, 节点 B在下一次调度确定时或确定后, 确定将要使用的 上行信令信道的数量。 其中, 上述第一次调度是指节点 B接收用户设备以随机接入方式发送 的上行增强控制信息后, 节点 B第一次为该用户设备调度授权上行增强物理 资源。 另外, 预定阈值由系统固定设置, 或者由网络侧设置并通过高层信令发 送给节点 B。 上行信道信令的预先配置数量由系统固定设置, 或者由网络侧 设置并通过高层信令发送给节点 B。 第一次调度时的上行信令信道条数的确 定方式由系统固定设置, 或者由网络侧设置并通过高层信令发送给节点 B。 通过上述技术方案, 本发明可以解决上行信令发送失败的问题, 并且减 小信令开销。 附图说明 此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的 不当限定。 在附图中: 图 1是根据相关技术的 E - UCCH和 E - DCH复用的突发结构示意图; 图 2是根据相关技术的 E - AGCH和 E - PUCH信道之间的定时关系示 意图;
图 3 是根据本发明第一实施例的上行增强系统中信令信道的配置和使 用方法的流程图; 以及 图 4 根据本发明第二实施例的上行增强系统中信令信道的配置和使用 方法的流程图。 具体实施方式 下面将参考附图详细说明本发明。 第一实施例 图 3 示出了根据本发明第一实施例的上行增强系统中信令信道的配置 和使用方法的流程。 如图 3所示, 该方法包括以下步骤: 步骤 S302, 节点 B 确定将要使用的上行信令信道的数量, 并在发送给用户设备的调度授权信息 中携带数量的信息; 步骤 S304, 响应于调度授权信息, 是否为第一次发射和 /或用户设备判断随后的上行信令信道发射与上一次上行信道信令发射之间 的时间间隔是否大于阔值, 并根据判断结果采取不同发射策略来发射上行信 令信道; 以及步骤 S306, 节点 B判断是否为第一次接收和 /或随后的上行信 令信道接收与上一次上行信道信令接收之间的时间间隔是否大于阈值, 并根 据判断结果采取不同接收策略来接收上行信令信道。 其中, 在步骤 S304中, 在时间间隔大于阈值的情况下, 用户设备将发 送预先配置数量的上行信令信道; 在时间间隔不大于阁值的情况下, 用户设 备将发送在步骤 S302 中分配的数量的上行信道信令。 对于第一次发射, 根 据系统配置, 用户设备发送预先配置数量的上行信令信道, 或者发送在步骤 S302中分配的数量的上行信令信道。 另夕卜, 在步骤 S306中, 在时间间隔大于阔值的情况下, 节点 B将接收 预先配置数量的上行信令信道; 在时间间隔不大于阚值的情况下, 节点 B将 接收在步骤 S302 中分配的数量的上行信令信道。 对于第一次接收, 对应于 步骤 S304, 节点 B将接收预先配置数量的上行信令信道或者在步骤 S302中 分配的数量的上行信令信道。 另外,上述第一次发射和接收是指用户设备通过随机接入方式成功发送 上行增强控制信息给节点 B, 节点 B成功发送调度授权信息给用户设备后的 第一次发射和接收。
另外, 在步骤 S302中, 节点 B才艮据以下因素中的一个或多个来确定将 要使用的上行信令信道的数量: 最后一次接收的多条上行信令信道合并后的 质量、 承载所有上行信令信道的所有上行增强物理信道的信道质量、 以及以 其它方式获得的此时上行无线信道环境质量。 其中, 节点 B在接收到上行增 强信令信道后确定将要使用的上行信令信道的数量, 或者, 节点 B在下一次 调度确定时或确定后, 确定将要使用的上行信令信道的数量。 另夕卜,预定阈值由系统固定设置, 或者由网络侧设置并通过高层信令配 置给用户设备和 /或节点 B。 上行信道信令的预先配置数量由系统固定设置, 或者由网络侧设置并通过高层信令配置给用户设备和 /或节点 B。 第一次发送 和接收时的 E-UCCH的确定方式由系统固定设置, 或者由网络侧设置并通过 高层信令发送给用户设备和 /或节点 B。 下面将参照实例描述本发明提供的上述上行增强技术中该信令信道的 分配和使用方法。 在 TD-SCDMA 系统的上行增强技术中, 上行增强上行信令信道为 E-UCCH信息, 上行增强物理信道为 E-PUCH信道, 用来传输调度 4受权信息 的是下行信令信道 E-AGCH信道。 其中 E-UCCH是传输信道, 而 E-PUCH 和 E-AGCH是物理信道,而且 E-UCCH和 E-DCH复用在 E-PUCH上。 E-UCCH 信道的个数通过 E-AGCH来动态分配。 同样参照如图 3 , 在该实例中, 本发 明的详细步骤如下: 步骤 S302, Node B分配下一次将要使用的 E-UCCH条数 N, 并在下一 次调度授权信息中将 N发送给 UE; 为了实现动态分配 E-UCCH信道的条数, 针对每个 UE, Node B需要 确定下一次调度过程中 UE 需要使用的 E-UCCH 条数 N。 Node B 在确定 E-UCCH条数时, 至少可以参考的信息有: 最近一次接收的多条 E-UCCH信 道合并后的质量,^ ^载所有的 E-UCCH信道的所有 E-PUCH信道的信号质量, 其它方式获得的 itl时上行无线信道环境质量。 在 Node B 中, 可以在接收到 E-PUCH 信道后马上利用上述信息确定下一次调度将要使用的 E-UCCH 条 数, 也可以在下一次调度确定后或者同时, 利用上一次 E-PUCH接收时的上 述信息以及后续的其它无线环境测量信息确定本次调度将要使用的 E-UCCH 条数。
Node B在确定了下一次调度将要使用的 E-UCCH条数以及下一次调度 授权后, 通过 E-AGCH将调度授权信息, 包括 E-UCCH条数 N发送给 UE。 步骤 S304, UE接收到调度授权信息后, 如果随后的 E-UCCH发射与 的前一次发射之间的时间间隔大于阈值 T1 , 则 UE随后发送预配置的 M条 E-UCCH; 否则, UE随后发送 N条 E-UCCH; 如果是第一次发射, 根据系 统配置, UE发送 M条 E-UCCH, 或者发送 N条 E-UCCH。 在该步骤中, 阈值 T1的配置方式有两种方法: 一种是系统固定一个 T1 值, 不可配置; 一种是由网络侧设置 T1值, 并通过高层信令配置给 UE; 预 配置的 E-UCCH信道条数 M值和第一次发送 E-UCCH的方式的配置也有上 述两种方法。 该步骤中的 T1和 M值, 以及第一次发送 E-UCCH的方式必须 与步骤 S306中的 T1和 M值, 以及第一次发送 E-UCCH的方式保持一致。 当 UE接收到调度授权信息后, 经过系统设定 tl时间后, 发射 E-PUCH 物理信道, 其上承载有 E-UCCH传输信道。 如果此时发射的 E-PUCH, 或者 E-UCCH与前一次发射的 E-PUCH或者 E-UCCH之间的时间间隔大于阈值 T1 , 则 UE在一个 TTI所有时隙上发送的 E-PUCH物理信道上发送预配置的 M条 E-UCCH信道; 否则, UE发送 N条 E-UCCH信道。 如果是第一次发射, 则 UE既可以发送 M条 E-UCCH, 也可以发送 N 条 E-UCCH。 但需要根据系统配置选择使用其中的一种 , 以便保持 UE的发 送和 Node B的接收的一致性。 其中,第一次发射和接收是指用户设备通过随机接入方式成功发送上行 增强控制信息给节点 B, 节点 B成功发送调度授权信息给用户设备后的第一 次发射和接收。 步骤 S306, Node B接收某个 UE的 E-UCCH时, 如果随后的 E-UCCH 接收与前一次接收之间的时间间隔大于阈值 T1 , 则按预配置的 M 条接收 E-UCCH;否则,按 N条接收 E-UCCH;如果是第一次接收,相应于步骤 S304, 节点 B将接收 M条 E-UCCH, 或者 N条 E-UCCH。 当 Node B给某个 UE发送调度授权信息后, 会在系统设定的 tl时间后 接收该 UE发送的 E-PUCH信道, 从而接收 E-UCCH信道。 如果此时接收的 E-PUCH,或者 E-UCCH与前一次接收的 E-PUCH或者 E-UCCH之间的时间 间隔大于阈值 T1 , 则 Node B在一个 TTI所有时隙上接收的 E-PUCH物理信
道上接收预配置的 M条 E-UCCH信道; 否则, UE接收 N条 E-UCCH信道。 如果是第一次接收, 根据系统配置, 相应于步骤 S304, 节点 B将接收 M条 E-UCCH, 或者 N条 E-UCCH。 其中, 阈值 T1 的配置方式有两种方法: 一种是系统固定一个 T1值, 不可配置; 一种是由网络侧设置并配置给 Node B; 预配置的 E-UCCH信道 条数 M值和第一次接收 E-UCCH的方式的配置也有上述两种方法, 而且该 步骤中的 T1和 M值, 以及第一次接收 E-UCCH的方式必须与步骤 S304中 的 T1和 M值, 以及第一次接收 E-UCCH的方式保持一致。 第二实施例 图 4 示出了根据本发明第二实施例的上行增强系统中信令信道的配置 和使用方法的流程。 如图 4所示, 该方法包括以下步骤: 步骤 S402, 节点 B 判断是否为第一次调度和 /或随后的调度与上一次调度之间的时间间隔是否 大于阈值,根据判断结果采取不同策略确定将要使用的上行信令信道的数量, 并在发送给用户设备的调度授权信息中携带数量的信息; 步骤 S404, 响应于 调度授权信息, 用户设备根据调度授权信息发射上行信令信道; 以及步骤 S406, 节点 B根据调度授权信息接收上行信令信道。 其中, 在步骤 S402中, 在时间间隔大于阔值的情况下, 节点 B确定使 用预先配置数量的上行信令信道; 在时间间隔不大于阈值的情况下, 节点 B 可以 居以下因素中的一个或多个来确定将要使用的上行信令信道的数量: 最后一次接收的多条上行信令信道合并后的质量、 承载所有上行信令信道的 所有上行增强物理信道的信道质量、 以及以其它方式获得的此时上行无线信 道环境质量。 对于第一次调度, 根据系统配置, 节点 B使用预先配置数量的 上行信令信道, 或者使用根据上述方法确定的数量的上行信令信道。 其中, 节点 B 在接收到上行增强信令信道后确定将要使用的上行信令 信道的数量, 或者, 节点 B在下一次调度确定时或确定后, 确定将要使用的 上行信令信道的数量。 其中, 上述第一次调度是指节点 B 接收用户设备以随机接入方式发送 的上行增强控制信息后, 节点 B第一次为该用户设备调度授权上行增强物理 资源。
另外, 预定阈值由系统固定设置, 或者由网络侧设置并通过高层信令发 送给节点 B。 上行信道信令的预先配置数量由系统固定设置, 或者由网络侧 设置并通过高层信令发送给节点 B。 第一次调度时的 E-UCCH的确定方式由 系统固定设置, 或者由网络侧设置并通过高层信令发送给节点 B。 下面将参照实例描述本发明提供的上述上行增强技术中该信令信道的 分配和使用方法。 参照如图 4, 在该实例中, 本发明的详细步骤如下: 步骤 S402, 节点 B判断是否为第一次调度和 /或随后的调度与上一次调 度之间的时间间隔是否大于阈值, 根据判断结果采取不同策略确定将要使用 的上行信令信道的数量, 并在发送给用户设备的调度授权信息中携带数量的 信息; 节点 B判断是否为第一次调度, 如果是, 则根据系统配置, 节点 B使 用预先配置的 M条上行信令信道,或者根据以下因素中的一个或多个来确定 将要使用的 N条上行信令信道: 最后一次接收的多条上行信令信道合并后的 质量、 承载所有上行信令信道的所有上行增强物理信道的信道质量、 以及以 其它方式获得的此时上行无线信道环境质量。 如果不是第一次调度, 则进一步地,在时间间隔大于阈值 T1的情况下, 节点 B确定使用预先配置的 M条上行信令信道; 在时间间隔不大于阈值 T1 的情况下, 节点 B同样可以 居以下因素中的一个或多个来确定将要使用的 N条上行信令信道: 最后一次接收的多条上行信令信道合并后的质量、 承载 所有上行信令信道的所有上行增强物理信道的信道质量、 以及以其它方式获 得的此时上行无线信道环境质量。 在该步骤中, 阔值 T1的配置方式有两种方法: 一种是系统固定一个 T1 值, 不可配置; 一种是由网络侧设置 T1值, 并通过高层信令配置给 UE; 预 配置的 E-UCCH信道条数 M值和第一次调度时 E-UCCH条数的确定方式的 配置也有上述两种方法。 在 Node B中, 如果不是第一次调度, 可以在接收到 E-PUCH信道后马 上利用上述信息确定下一次调度将要使用的 E-UCCH条数, 也可以在下一次 调度确定后或者同时, 利用上一次 E-PUCH接收时的上述信息以及后续的其 它无线环境测量信息确定本次调度将要使用的 E-UCCH条数。
Node B在确定了下一次调度将要使用的 E-UCCH条数以及下一次调度
授权后, 通过 E-AGCH将调度授权信息, 包括 E-UCCH条数 M或 N发送给 UE。 步骤 S404, UE接收到调度授权信息后,根据调度授权信息中的 E-UCCH 条数信息发送 M或者 N条 E-UCCH。 步骤 S406, 节点 B根据其发送的调度授权信息中的 E-UCCH条数信息 接收 M或者 N条 E-UCCH。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。
Claims
1. 一种上行增强系统中信令信道的配置和使用方法, 其特征在于, 包括: 节点 B确定将要使用的上行信令信道的数量,并在发送给用户设 备的调度授权信息中携带所述数量的信息;
响应于所述调度授权信息, 所述用户设备判断是否为第一次发射 和 /或随后的上行信令信道发射与上一次上行信道信令发射之间的时 间间隔是否大于阈值, 并根据判断结果采取不同发射策略来发射上行 信令信道; 以及
所述节点 B判断是否为第一次接收和 /或随后的上行信令信道接 收与上一次上行信道信令接收之间的时间间隔是否大于阈值, 并根据 判断结果采取不同接收策略来接收所述上行信令信道。
2. 根据权利要求 1 所述的方法, 其特征在于, 在所述用户设备根据判断 结果采取不同发射策略的过程中, 在所述时间间隔大于所述阈值的情 况下, 所述用户设备将发送预先配置数量的上行信令信道; 在所述时 间间隔不大于所述阈值的情况下, 所述用户设备将发送在所述调度授 权信息的过程中分配的数量的上行信令信道。
3. 根据权利要求 1 所述的方法, 其特征在于, 在所述用户设备根据判断 结果采取不同发射策略的过程中, 在所述用户设备判断为第一次发射 的情况下, 所述用户设备根据系统配置发送预先配置数量的上行信令 信道, 或者发送在所述调度授权信息的过程中分配的数量的上行信令 信道。
4. 根据权利要求 1所述的方法, 其特征在于, 在所述节点 B根据判断结 果采取不同接收策略的过程中, 在所述时间间隔大于所述阈值的情况 下, 所述节点 B将接收预先配置数量的上行信令信道; 在所述时间间 隔不大于所述阁值的情况下, 所述节点 B将接收在所述调度授权信息 的过程中分配的数量的上行信令信道。
5. 根据权利要求 1所述的方法, 其特征在于, 在所述节点 B根据判断结 果采取不同接收策略的过程中, 在所述节点 B判断为第一次接收的情 况下, 所述节点 B根据系统配置接收预先配置数量的上行信令信道, 或者接收在所述调度授权信息分配的数量的上行信令信道。
6. 根据权利要求 1 所述的方法, 其特征在于, 所述第一次发射和接收是 指所述用户设备通过随机接入方式成功发送上行增强控制信息给所述 节点 B, 所述节点 B成功发送所述调度授权信息给所述用户设备后的 第一次发射和接收。
7. 根据权利要求 1所述的方法, 其特征在于, 在所述节点 B确定将要使 用的上行信令信道的数量的过程中, 所述节点 B根据以下因素中的一 个或多个来确定将要使用的上行信令信道的数量: 最后一次接收的多 条上行信令信道合并后的质量、 承载所有上行信令信道的所有上行增 强物理信道的信道质量、 以及以其它方式获得的此时上行无线信道环 境质量。
8. 根据权利要求 7所述的方法, 其特征在于, 所述节点 B在接收到上行 增强信令信道后确定将要使用的上行信令信道的数量, 或者, 在下一 次调度确定时或确定后, 确定将要使用的上行信令信道的数量。
9. 根据权利要求 1所述的方法, 其特征在于, 所述阈值由系统固定设置, 或者由网络侧设置并通过高层信令配置给所述用户设备和 /或所述节 点 B; 所述上行信道信令的预先配置数量由系统固定设置, 或者由网 络侧设置并通过高层信令配置给所述用户设备和 /或所述节点 B; 所述 第一次发送和接收时的上行信令信道条数的确定方式由系统固定设 置, 或者由网络侧设置并通过高层信令发送给用户设备和 /或节点 B。
10. 一种上行增强系统中信令信道的配置和使用方法, 其特征在于, 包括: 节点 B判断是否为第一次调度和 /或随后的调度与上一次调度之 间的时间间隔是否大于阁值, 并根据判断结果采取不同策略来确定将 要使用的上行信令信道的数量, 同时在发送给用户设备的调度授权信 息中携带所述数量的信息;
响应于所述调度授权信息, 所述用户设备根据所述调度授权信息 发射上行信令信道; 以及
节点 B根据所述调度授权信息接收所述上行信令信道。
11. 根据权利要求 10所述的方法, 其特征在于, 在所述节点 B根据判断结 果采取不同策略的过程中, 在时间间隔大于阔值的情况下, 所述节点 B 确定使用预先配置数量的上行信令信道; 在时间间隔不大于阈值的 情况下, 节点 B可以 ·据以下因素中的一个或多个来确定将要使用的 上行信令信道的数量: 最后一次接收的多条上行信令信道合并后的盾 量、 承载所有上行信令信道的所有上行增强物理信道的信道质量、 以 及以其它方式获得的此时上行无线信道环境质量; 在判断为第一次调 度的情况下, 节点 B既可以使用预先配置数量的上行信令信道, 也可 以使用根据上述因素确定的数量的上行信令信道。
12. 根据权利要求 11所述的方法, 其特征在于, 所述节点 B在接收到上行 增强信令信道后确定将要使用的上行信令信道的数量, 或者, 节点 B 在下一次调度确定时或确定后,确定将要使用的上行信令信道的数量。
13. 根据权利要求 10所述的方法, 其特征在于, 所述第一次调度是指所述 节点 B接收到所述用户设备以随机接入方式发送的上行增强控制信息 后 , 第一次为所述用户设备调度授权上行增强物理资源。
14. 根据权利要求 10所述的方法,其特征在于,所述阈值由系统固定设置, 或者由网络侧设置并通过高层信令发送给节点 B; 所述上行信道信令 的预先配置数量由系统固定设置, 或者由网络侧设置并通过高层信令 发送给节点 B; 第一次调度时的上行信令信道条数的确定方式由系统 固定设置, 或者由网络侧设置并通过高层信令发送给节点 B。
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| US20060046733A1 (en) * | 2004-08-25 | 2006-03-02 | Denis Fauconnier | Method for controlling transmission over a radio channel between a sending unit and receiving units and equipments for implementing the method |
| CN1780478A (zh) * | 2004-11-24 | 2006-05-31 | 北京三星通信技术研究有限公司 | 用于高速率时分双工系统的上行调度信令的传输方法 |
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| US20060046733A1 (en) * | 2004-08-25 | 2006-03-02 | Denis Fauconnier | Method for controlling transmission over a radio channel between a sending unit and receiving units and equipments for implementing the method |
| CN1780478A (zh) * | 2004-11-24 | 2006-05-31 | 北京三星通信技术研究有限公司 | 用于高速率时分双工系统的上行调度信令的传输方法 |
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| EP3989664A1 (en) * | 2017-11-09 | 2022-04-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Uplink control channel resource determining method, terminal, and network side device |
| US11627559B2 (en) | 2017-11-09 | 2023-04-11 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Uplink control channel resource determination method, terminal, and network side device |
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