TWI696398B - User device and method for wireless communication system - Google Patents
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Abstract
Description
本發明係關於通信系統領域,特別是關於一種用於無線通信系統的網路節點、使用者裝置和方法。 The present invention relates to the field of communication systems, and in particular to a network node, user device and method for a wireless communication system.
在長期演進(long term evolution,LTE)中,LTE的實體通道可以分類為下行鏈路通道以及上行鏈路通道。下行鏈路通道例如包括實體下行鏈路共享通道(physical downlink shared channel,PDSCH)和實體下行鏈路控制通道(physical downlink control channel,PDCCH)。上行鏈路通道例如包括實體上行鏈路共享通道(physical uplink shared channel,PUSCH)和實體上行鏈路控制通道(physical uplink control channel,PUCCH)。 In long term evolution (LTE), the physical channels of LTE can be classified into downlink channels and uplink channels. The downlink channel includes, for example, a physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH). The uplink channel includes, for example, a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH).
PDCCH用於傳送下行鏈路控制資訊,此下行鏈路控制資訊向使用者裝置通知與PDSCH、上行鏈路資源許可和上行鏈路功率控制命令上的下行鏈路資源分配相關的資源分配或調度。 The PDCCH is used to transmit downlink control information that notifies the user device of resource allocation or scheduling related to downlink resource allocation on the PDSCH, uplink resource grant, and uplink power control command.
PDCCH信號基於小區特定參考信號(cell specific reference signal,CRS)而設計成在使用者裝置處解調。然而,使用CRS並沒有考慮到LTE系統複雜性的增加。小區特定參考信號的使用可限制先進技術以增 加小區容量。 The PDCCH signal is designed to be demodulated at the user device based on a cell specific reference signal (CRS). However, the use of CRS does not take into account the increased complexity of the LTE system. The use of cell-specific reference signals can limit advanced technology to increase cell capacity.
本發明的目的在於提供用於無線通信系統的網路節點、使用者裝置和方法,以平衡通道估計性能以及包括頻率選擇性增益和時間/頻率分集增益的各種增益。 An object of the present invention is to provide a network node, a user device and a method for a wireless communication system to balance channel estimation performance and various gains including frequency selective gain and time/frequency diversity gain.
本發明的第一方面提供用於無線通信系統的網路節點。網路節點包括一處理器以及一收發器。處理器配置成用於在一實體下行鏈路控制通道(physical downlink control channel,PDCCH)上分配複數個資源元素組(resource element group,REG)集合。PDCCH具有定義至少一控制通道單元(control channel element,CCE)聚合等級(aggregation level,AL)的複數個候選PDCCH。複數個CCE被分配給一使用者裝置且包括複數個REG。包括一組REG的該些REG集合是該些候選PDCCH的一映射單元。處理器配置成用於將該些REG集合的該些REG映射到一連續時間和/或頻率資源。收發器配置成用於在複數個分配的資源將PDCCH傳送到使用者裝置。 The first aspect of the present invention provides a network node for a wireless communication system. The network node includes a processor and a transceiver. The processor is configured to allocate a plurality of resource element group (REG) sets on a physical downlink control channel (PDCCH). The PDCCH has a plurality of candidate PDCCHs that define at least one control channel element (CCE) aggregation level (AL). A plurality of CCEs are allocated to a user device and include a plurality of REGs. The REG sets including a group of REGs are a mapping unit of the candidate PDCCHs. The processor is configured to map the REGs of the REG set to a continuous time and/or frequency resource. The transceiver is configured to transmit the PDCCH to the user device in the plurality of allocated resources.
根據結合本發明的第一方面的一實施例,處理器配置成用於以一連續或分佈的方式將該些候選PDCCH的該些REG集合映射到頻率。 According to an embodiment incorporating the first aspect of the present invention, the processor is configured to map the REG sets of the candidate PDCCHs to frequencies in a continuous or distributed manner.
根據結合本發明的第一方面的一實施例,處理器配置成用於以一連續的方式將該些候選PDCCH的該些REG集合映射到時間。 According to an embodiment incorporating the first aspect of the present invention, the processor is configured to map the REG sets of the candidate PDCCHs to time in a continuous manner.
根據結合本發明的第一方面的一實施例,處理器配置成用於以一時間優先的映射方式將該些REG集合映射到複數個正交分頻多工(orthogonal frequency-division multiplexing,OFDM)符號,並且該些REG 集合在該些候選PDCCH的每個REG上包括複數個解調參考信號(demodulation reference signal,DMRS)。 According to an embodiment incorporating the first aspect of the present invention, the processor is configured to map the REG sets to a plurality of orthogonal frequency-division multiplexing (OFDM) in a time-first mapping manner Symbol, and the REG sets include a plurality of demodulation reference signals (DMRS) on each REG of the candidate PDCCHs.
根據結合本發明的第一方面的一實施例,REG集合在一第一OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the first aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a first OFDM symbol.
根據結合本發明的第一方面的一實施例,REG集合在一第二OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the first aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第一方面的一實施例,REG集合在一第二OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the first aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第一方面的一實施例,REG集合在一第三OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the first aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a third OFDM symbol.
根據結合本發明的第一方面的一實施例,REG集合在一第四OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the first aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a fourth OFDM symbol.
根據結合本發明的第一方面的一實施例,該些候選PDCCH位於一巢狀結構中,複數個較大的CCE AL包括複數個小的CCE AL的複數個CCE。 According to an embodiment incorporating the first aspect of the present invention, the candidate PDCCHs are located in a nested structure, and the plurality of larger CCE ALs includes the plurality of smaller CCE ALs.
根據結合本發明的第一方面的一實施例,處理器配置成用於在一時間優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the first aspect of the present invention, the processor is configured to map the REG sets in a time-first mapping, and the candidate PDCCHs are located in a nested structure.
根據結合本發明的第一方面的一實施例,處理器配置成用於在一頻率優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the first aspect of the present invention, the processor is configured to map the REG sets in a frequency-first mapping, and the candidate PDCCHs are located in a nested structure.
本發明的第二方面提供用於無線通信系統的使用者裝置。 使用者裝置包括一處理器以及一收發器。處理器配置成用以決定用於至少一網路節點的複數個REG集合。收發器配置成用於將一PDCCH中的該些REG集合傳送到至少一網路節點。在PDCCH上分配該些REG集合。PDCCH具有定義至少一CCE AL的複數個候選PDCCH。複數個CCE被分配給使用者裝置且包括複數個REG。包括一組REG的該些REG集合是該些候選PDCCF的一映射單元。處理器配置成用於將該些REG集合的該些REG映射到一連續時間和/或頻率資源。 The second aspect of the present invention provides a user device for a wireless communication system. The user device includes a processor and a transceiver. The processor is configured to determine a plurality of REG sets for at least one network node. The transceiver is configured to transmit the REG sets in a PDCCH to at least one network node. These REG sets are allocated on the PDCCH. The PDCCH has a plurality of candidate PDCCHs that define at least one CCE AL. A plurality of CCEs are allocated to user devices and include a plurality of REGs. The REG sets including a group of REGs are a mapping unit of the candidate PDCCFs. The processor is configured to map the REGs of the REG set to a continuous time and/or frequency resource.
根據結合本發明的第二方面的一實施例,收發器配置成用於在複數個分配的資源上將PDCCH接收到使用者裝置,並且收發器配置成用於在PDCCH中傳送該些REG集合。 According to an embodiment incorporating the second aspect of the present invention, the transceiver is configured to receive the PDCCH to the user device on the plurality of allocated resources, and the transceiver is configured to transmit the REG sets in the PDCCH.
根據結合本發明的第二方面的一實施例,處理器配置成用於以一連續或分佈的方式將該些候選PDCCH的該些REG集合映射到頻率,或以一連續的方式將該些候選PDCCH的該些REG集合映射到時間。 According to an embodiment incorporating the second aspect of the present invention, the processor is configured to map the REG sets of the candidate PDCCHs to frequencies in a continuous or distributed manner, or to apply the candidates in a continuous manner These REG sets of PDCCH are mapped to time.
根據結合本發明的第二方面的一實施例,處理器配置成用於以一時間優先的映射方式將該些REG集合映射到複數個正交分頻多工(orthogonal frequency-division multiplexing,OFDM)符號,並且該些REG集合在該些候選PDCCH的每個REG上包括複數個解調參考信號(demodulation reference signal,DMRS)。 According to an embodiment incorporating the second aspect of the present invention, the processor is configured to map the REG sets to a plurality of orthogonal frequency-division multiplexing (OFDM) in a time-first mapping manner Symbol, and the REG sets include a plurality of demodulation reference signals (DMRS) on each REG of the candidate PDCCHs.
根據結合本發明的第二方面的一實施例,REG集合在一第一OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the second aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a first OFDM symbol.
根據結合本發明的第二方面的一實施例,REG集合在一第二OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the second aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第二方面的一實施例,REG集合在一第二OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the second aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第二方面的一實施例,REG集合在一第三OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the second aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a third OFDM symbol.
根據結合本發明的第二方面的一實施例,REG集合在一第四OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the second aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a fourth OFDM symbol.
根據結合本發明的第二方面的一實施例,該些候選PDCCH位於一巢狀結構中,複數個較大的CCE AL包括複數個小的CCE AL的複數個CCE。 According to an embodiment combining the second aspect of the present invention, the candidate PDCCHs are located in a nested structure, and the plurality of larger CCE ALs includes the plurality of smaller CCE ALs.
根據結合本發明的第二方面的一實施例,處理器配置成用於在一時間優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the second aspect of the present invention, the processor is configured to map the REG sets in a time-first mapping, and the candidate PDCCHs are located in a nested structure.
根據結合本發明的第二方面的一實施例,處理器配置成用於在一頻率優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the second aspect of the present invention, the processor is configured to map the REG sets in a frequency-first mapping, and the candidate PDCCHs are located in a nested structure.
本發明的第三方面提供用於無線通信系統的網路節點的方法。方法包括在一實體下行鏈路控制通道(physical downlink control channel,PDCCH)上分配複數個資源元素組(resource element group,REG)集合。PDCCH具有定義至少一控制通道單元(control channel element,CCE)聚合等級(aggregation level,AL)的複數個候選PDCCH。複數個CCE被分配給一使用者裝置且包括複數個REG。包括一組REG的該些REG集合是該些候選PDCCH的一映射單元。方法更包括將該些REG集合 的該些REG映射到一連續時間和/或頻率資源。 A third aspect of the invention provides a method for a network node of a wireless communication system. The method includes allocating a plurality of resource element group (REG) sets on a physical downlink control channel (PDCCH). The PDCCH has a plurality of candidate PDCCHs that define at least one control channel element (CCE) aggregation level (AL). A plurality of CCEs are allocated to a user device and include a plurality of REGs. The REG sets including a group of REGs are a mapping unit of the candidate PDCCHs. The method further includes mapping the REGs of the REG set to a continuous time and/or frequency resource.
根據結合本發明的第三方面的一實施例,方法更包括以一連續或分佈的方式將該些候選PDCCH的該些REG集合映射到頻率,或以一連續的方式將該些候選PDCCH的該些REG集合映射到時間。 According to an embodiment incorporating the third aspect of the present invention, the method further includes mapping the REG sets of the candidate PDCCHs to frequencies in a continuous or distributed manner, or the continuous selection of the candidate PDCCHs in a continuous manner. These REG sets are mapped to time.
根據結合本發明的第三方面的一實施例,方法更包括以一時間優先的映射方式將該些REG集合映射到複數個正交分頻多工(orthogonal frequency-division multiplexing,OFDM)符號,並且該些REG集合在該些候選PDCCH的每個REG上包括複數個解調參考信號(demodulation reference signal,DMRS)。 According to an embodiment incorporating the third aspect of the present invention, the method further includes mapping the REG sets to a plurality of orthogonal frequency-division multiplexing (OFDM) symbols in a time-first mapping manner, and The REG sets include a plurality of demodulation reference signals (DMRS) on each REG of the candidate PDCCHs.
根據結合本發明的第三方面的一實施例,REG集合在一第一OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the third aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a first OFDM symbol.
根據結合本發明的第三方面的一實施例,REG集合在一第二OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the third aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第三方面的一實施例,REG集合在一第二OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the third aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第三方面的一實施例,REG集合在一第三OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the third aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a third OFDM symbol.
根據結合本發明的第三方面的一實施例,REG集合在一第四OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the third aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a fourth OFDM symbol.
根據結合本發明的第三方面的一實施例,該些候選PDCCH位於一巢狀結構中,複數個較大的CCE AL包括複數個小的CCE AL的複數個CCE。 According to an embodiment combining the third aspect of the present invention, the candidate PDCCHs are located in a nested structure, and the plurality of larger CCE ALs includes the plurality of smaller CCE ALs.
根據結合本發明的第三方面的一實施例,方法更包括在一時間優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the third aspect of the present invention, the method further includes mapping the REG sets in a time-first mapping, and the candidate PDCCHs are located in a nested structure.
根據結合本發明的第三方面的一實施例,方法更包括在一頻率優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the third aspect of the present invention, the method further includes mapping the REG sets in a frequency-first mapping, and the candidate PDCCHs are located in a nested structure.
本發明的第四方面提供用於無線通信系統的使用者裝置的方法。方法包括決定用於至少一網路節點的複數個REG集合及將一PDCCH中的該些REG集合傳送到至少一網路節點。在PDCCH上分配該些REG集合。PDCCH具有定義至少一CCE AL的複數個候選PDCCH。複數個CCE被分配給使用者裝置且包括複數個REG。包括一組REG的該些REG集合是該些候選PDCCF的一映射單元。方法更包括將該些REG集合的該些REG映射到一連續時間和/或頻率資源。 A fourth aspect of the invention provides a method for a user device of a wireless communication system. The method includes determining a plurality of REG sets for at least one network node and transmitting the REG sets in a PDCCH to at least one network node. These REG sets are allocated on the PDCCH. The PDCCH has a plurality of candidate PDCCHs that define at least one CCE AL. A plurality of CCEs are allocated to user devices and include a plurality of REGs. The REG sets including a group of REGs are a mapping unit of the candidate PDCCFs. The method further includes mapping the REGs of the REG set to a continuous time and/or frequency resource.
根據結合本發明的第四方面的一實施例,方法更包括在複數個分配的資源上將PDCCH接收到使用者裝置並且在PDCCH中傳送該些REG集合。 According to an embodiment incorporating the fourth aspect of the present invention, the method further includes receiving the PDCCH to the user device on the plurality of allocated resources and transmitting the REG sets in the PDCCH.
根據結合本發明的第四方面的一實施例,方法更包括以一連續或分佈的方式將該些候選PDCCH的該些REG集合映射到頻率,或以一連續的方式將該些候選PDCCH的該些REG集合映射到時間。 According to an embodiment incorporating the fourth aspect of the present invention, the method further includes mapping the REG sets of the candidate PDCCHs to frequencies in a continuous or distributed manner, or the continuous selection of the candidate PDCCHs in a continuous manner. These REG sets are mapped to time.
根據結合本發明的第四方面的一實施例,方法更包括以一時間優先的映射方式將該些REG集合映射到複數個正交分頻多工(orthogonal frequency-division multiplexing,OFDM)符號,並且該些REG 集合在該些候選PDCCH的每個REG上包括複數個解調參考信號(demodulation reference signal,DMRS)。 According to an embodiment incorporating the fourth aspect of the present invention, the method further includes mapping the REG sets to a plurality of orthogonal frequency-division multiplexing (OFDM) symbols in a time-first mapping manner, and The REG sets include a plurality of demodulation reference signals (DMRS) on each REG of the candidate PDCCHs.
根據結合本發明的第四方面的一實施例,REG集合在一第一OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the fourth aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a first OFDM symbol.
根據結合本發明的第四方面的一實施例,REG集合在一第二OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the fourth aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第四方面的一實施例,REG集合在一第二OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the fourth aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a second OFDM symbol.
根據結合本發明的第四方面的一實施例,REG集合在一第三OFDM符號上包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the fourth aspect of the present invention, the REG set includes DMRS for the candidate PDCCHs on a third OFDM symbol.
根據結合本發明的第四方面的一實施例,REG集合在一第四OFDM符號上不包含用於該些候選PDCCH的DMRS。 According to an embodiment incorporating the fourth aspect of the present invention, the REG set does not include DMRS for the candidate PDCCHs on a fourth OFDM symbol.
根據結合本發明的第四方面的一實施例,該些候選PDCCH位於一巢狀結構中,複數個較大的CCE AL包括複數個小的CCE AL的複數個CCE。 According to an embodiment incorporating the fourth aspect of the present invention, the candidate PDCCHs are located in a nested structure, and the plurality of larger CCE ALs includes the plurality of smaller CCE ALs.
根據結合本發明的第四方面的一實施例,方法更包括在一時間優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the fourth aspect of the present invention, the method further includes mapping the REG sets in a time-first mapping, and the candidate PDCCHs are located in a nested structure.
根據結合本發明的第四方面的一實施例,方法更包括在一頻率優先映射中映射該些REG集合,並且該些候選PDCCH位於一巢狀結構中。 According to an embodiment incorporating the fourth aspect of the present invention, the method further includes mapping the REG sets in a frequency-first mapping, and the candidate PDCCHs are located in a nested structure.
在本發明的實施例中,該些REG集合是該些候選PDCCF的 一映射單元,並且處理器配置成用於將該些REG集合的該些REG映射到一連續時間和/或頻率資源,以平衡通道估計性能以及包括頻率選擇性增益和時間/頻率分集增益的各種增益。 In an embodiment of the present invention, the REG sets are a mapping unit of the candidate PDCCFs, and the processor is configured to map the REGs of the REG sets to a continuous time and/or frequency resource to Balanced channel estimation performance and various gains including frequency selective gain and time/frequency diversity gain.
100‧‧‧網路節點 100‧‧‧Network node
102、302‧‧‧處理器 102, 302‧‧‧ processor
104、304‧‧‧收發器 104, 304‧‧‧ transceiver
106、306‧‧‧天線 106, 306‧‧‧ antenna
200、210‧‧‧方法 200、210‧‧‧Method
202、204、212、214‧‧‧方塊 202, 204, 212, 214‧‧‧ block
300‧‧‧使用者裝置 300‧‧‧User device
500‧‧‧無線通信系統 500‧‧‧Wireless communication system
為了更清楚地說明本發明的實施例的技術方案,以下將對實施例描述中所需要使用的附圖作簡單地介紹,顯而易見地,以下描述中的附圖僅僅是本發明的一些實施例,對於本領域普通技術人員來講,在不付出創造性和勞動的前提下,還可以根據這些附圖獲得其他的附圖。 In order to more clearly explain the technical solutions of the embodiments of the present invention, the drawings required in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without paying any creativity and labor, other drawings can be obtained based on these drawings.
第1圖示出了根據本發明的一實施例的用於無線通信系統的網路節點的方塊圖。 FIG. 1 shows a block diagram of a network node used in a wireless communication system according to an embodiment of the present invention.
第2A圖示出了根據本發明的一實施例的用於無線通信系統的網路節點的方法的流程圖。 FIG. 2A shows a flowchart of a method for a network node of a wireless communication system according to an embodiment of the present invention.
第2B圖示出了根據本發明的一實施例的用於無線通信系統的使用者裝置的方法的流程圖。 FIG. 2B shows a flowchart of a method for a user device of a wireless communication system according to an embodiment of the present invention.
第3圖示出了根據本發明的一實施例的用於無線通信系統的使用者裝置的方塊圖。 FIG. 3 shows a block diagram of a user device for a wireless communication system according to an embodiment of the invention.
第4圖示出了根據本發明的一實施例的在相同的正交分頻多工(orthogonal frequency-division multiplexing,OFDM)符號上以分佈的方式映射控制通道單元(control channel element,CCE)的示意圖。 FIG. 4 shows the mapping of control channel elements (CCE) in a distributed manner on the same orthogonal frequency-division multiplexing (OFDM) symbol according to an embodiment of the present invention. Schematic.
第5圖示出了根據本發明的一實施例的在不同的OFDM符號上以分佈的方式映射CCE的示意圖。 FIG. 5 shows a schematic diagram of mapping CCEs in a distributed manner on different OFDM symbols according to an embodiment of the present invention.
第6圖示出了根據本發明的一實施例的候選實體下行鏈路控制通道 (physical downlink control channel,PDCCH)的示意圖。 FIG. 6 shows a schematic diagram of a candidate entity downlink control channel (PDCCH) according to an embodiment of the present invention.
第7圖示出了根據本發明的一實施例的具有CCE聚合等級(aggregation level,AL)的候選PDCCH的時間優先的CCE映射的示意圖。 FIG. 7 shows a schematic diagram of time-first CCE mapping of a candidate PDCCH with a CCE aggregation level (AL) according to an embodiment of the present invention.
第8圖示出了根據本發明的一實施例的具有CCE AL的候選PDCCH的時間優先的CCE映射的示意圖。 FIG. 8 shows a schematic diagram of time-first CCE mapping of a candidate PDCCH with CCE AL according to an embodiment of the present invention.
第9圖示出了根據本發明的一實施例的具有CCE AL的候選PDCCH的時間優先的CCE映射的示意圖。 FIG. 9 shows a schematic diagram of time-first CCE mapping of a candidate PDCCH with CCE AL according to an embodiment of the present invention.
第10圖示出了根據本發明的一實施例的具有CCE AL的候選PDCCH的時間優先的CCE映射的示意圖。 FIG. 10 shows a schematic diagram of time-first CCE mapping of a candidate PDCCH with CCE AL according to an embodiment of the present invention.
第11圖示出了根據本發明的一實施例的用於時間優先的CCE映射的巢狀結構的示意圖。 FIG. 11 shows a schematic diagram of a nested structure for time-first CCE mapping according to an embodiment of the present invention.
以下參照附圖,結合技術內容、結構特徵、實現的目的和功效對本發明的實施例進行詳細說明。具體地,本發明的實施例中的術語僅用於描述某個實施例,並不構成對本發明的限制。 The following describes the embodiments of the present invention in detail with reference to the accompanying drawings, combined with technical content, structural features, achieved objectives, and effects. Specifically, the terms in the embodiments of the present invention are only used to describe a certain embodiment, and do not constitute a limitation on the present invention.
參照第1圖,網路節點100與無線通信系統500通信。網路節點100包括一處理器102以及一收發器104。處理器102與收發器104通信。網路節點100可以包括耦合到收發器104的一個或多個可選用的天線106。處理器102配置成用於在一實體下行鏈路控制通道(physical downlink control channel,PDCCH)上分配複數個資源元素組(resource element group,REG)集合。PDCCH具有定義至少一控制通道單元(control channel element,CCE)聚合等級(aggregation level,AL)的複數個候選PDCCH。複數個CCE的數量由至少一CCE AL定義。複數個CCE被分配給無線通信系統500的一使用者裝置300(參照第3圖)且包括複數個REG。一REG集合例如可以是CCE。包括一組REG的該些REG集合是該些候選PDCCH的一映射單元。處理器102配置成用於將該些REG集合的該些REG映射到一連續時間和/或頻率資源。收發器104配置成用於在複數個分配的資源將PDCCH傳送到使用者裝置300。 Referring to FIG. 1, the
網路節點100或基站,例如,無線電基站(radio base station,RBS)根據所使用的通信技術和術語,在一些網路中可以被稱為例如eNB、eNodeB、NodeB或B節點的發射器。無線電網路節點,基於發射功率及小區的大小,可以是不同的類別,例如,巨基站(macro eNodeB)、家庭基站(home eNodeB)或微基站(pico eNodeB)。無線電網絡節點可以是站(station,STA)。站可以是與無線介質(wireless medium,WM)接口且包含IEEE 802.11兼容媒體訪問控制(media access control,MAC)和物理層(physical layer,PHY)的任何裝置。 The
參照第1圖和第2A圖,可以在網路節點100中執行方法200。方法200包括如方塊202所示的在PDCCH上分配REG集合,PDCCH具有定義至少一CCE AL的複數個候選PDCCH以及如方塊204所示的在分配的資源上將PDCCH傳送到使用者裝置300。複數個CCE的數量由至少一CCE AL定義。複數個CCE被分配給使用者裝置300且包括複數個REG。包括一組REG的該些REG集合是該些候選PDCCH的一映射單元。處理器102配置成用於將該些REG集合的該些REG映射到一連續時間和/或頻率資源。 Referring to FIGS. 1 and 2A, the
參照第2B圖和第3圖,可以在使用者裝置300中執行方法210。方法210包括如方塊212所示的決定用於至少一網路節點100的複數個REG集合以及如方塊214所示的將PDCCH中的REG集合傳送到至少一網路節點100。在PDCCH上分配REG集合。PDCCH具有定義至少一CCE AL的候選PDCCH。複數個CCE被分配給使用者裝置300且包括複數個REG。包括一組REG的該些REG集合是該些候選PDCCH的一映射單元。方法210更包括將該些REG集合的該些REG映射到一連續時間和/或頻率資源。 Referring to FIGS. 2B and 3, the
參照第3圖,使用者裝置300包括處理器302和收發器304。處理器302與收發器304通信。在本實施例中,使用者裝置300還可以包括耦合到收發器304的一個或多個可選用的天線306。使用者裝置300的處理器302配置成用以決定用於至少一網路節點100的複數個REG集合。 Referring to FIG. 3, the
使用者裝置300的收發器304從處理器302接收上行鏈路控制信息(uplink control information,UCI)並且配置成用於將PDCCH中的REG集合傳送到網路節點100。在PDCCH上分配REG集合。PDCCH具有定義至少一CCE AL的候選PDCCH。複數個CCE的數量由至少一CCE AL定義。複數個CCE被分配給使用者裝置300且包括複數個REG。包括一組REG的該些REG集合是該些候選PDCCH的一映射單元。處理器302配置成用於將該些REG集合的該些REG映射到一連續時間和/或頻率資源。收發器304配置成從至少一網路節點100接收分配資訊。分配資訊包括一頻率位置和至少一CCE AL的數量。收發器304配置成用於根據分配資訊在PDCCH中傳送REG集合。 The
在一些實施例中,REG包被用作映射單元,其中REG包包 括6個REG。包括一組REG的REG集合是映射單元,並且REG集合例如可以是CCE。 In some embodiments, the REG packet is used as a mapping unit, where the REG packet includes 6 REGs. The REG set including a group of REGs is a mapping unit, and the REG set may be, for example, CCE.
使用者裝置300,例如可以是行動站、無線終端和/或行動終端,用於與無線通信系統500通信,有時也稱為蜂巢式無線電系統。使用者裝置300可以進一步稱為具無線能力的行動電話、蜂巢式電話、平板電腦或膝上型電腦。使用者裝置300,例如可以是可攜式、口袋型可收納式、手持式、包括電腦或車載的行動裝置,能夠經由無線電存取網絡與例如是另一接收器或伺服器的另一實體進行語音和/或資料通信。使用者裝置300可以是站(station,STA)。站可以是與無線介質(wireless medium,WM)接口且包含IEEE 802.11兼容媒體訪問控制(media access control,MAC)和物理層(physical layer,PHY)的任何裝置。 The
在***行動通訊技術標準(The fourth generation of mobile phone mobile communication technology standards,4G)的長期演進(long term evolution,LTE)系統中,控制區域跨越整個系統帶寬並且在子幀(subframe)中佔據前幾個正交分頻多工(orthogonal frequency-division multiplexing,OFDM)符號。取決於有效載荷(payload)的大小和通道品質,PDCCH由一個或複數個CCE承載。CCE更包括複數個REG。不同PDCCH的REG交織並遍布整個控制區域(時間和頻率兩者)以獲得時間和頻率增益。通道估計是基於在整個控制區域的固定位置處傳輸的小區特定參考信號(cell-specific reference signal,CRS)完成的。 In the long term evolution (LTE) system of the fourth generation of mobile phone mobile communication technology standards (4G), the control area spans the entire system bandwidth and occupies in subframes The first few orthogonal frequency-division multiplexing (OFDM) symbols. Depending on the size of the payload and the channel quality, the PDCCH is carried by one or more CCEs. CCE also includes plural REGs. REGs of different PDCCHs are interleaved and spread over the entire control region (both time and frequency) to obtain time and frequency gain. Channel estimation is based on cell-specific reference signals (CRS) transmitted at fixed locations throughout the control area.
在5G新無線電(new radio,NR)系統中,相似的通道結構可以用於PDCCH、CCE及REG。然而,5G NR PDCCH的設計也有一些新 的發展。例如,可以有不同的方式將CCE/REG映射到PDCCH的時間/頻率區域(稱為NR中的控制資源集合)。在PDCCH中,可能存在頻率優先映射,或者時間優先映射或兩者的組合。除此之外,還支持以連續或分佈方式映射PDCCH的元素。每種映射方式都有優點和缺點,目的是利用各種增益,例如時間/頻率分集增益、局部頻率選擇性增益以及波束形成(beamforming,BF)增益。5G NR與4G LTE不同的另一個方面是解調參考信號(demodulation reference signal,DMRS)用於PDCCH解調。用於PDCCH的DMRS與預期的PDCCH一起發送,但不跨越整個控制區域發送。這需要足夠數量的DMRS才能獲得良好的通道估計。一個好的映射設計需要平衡這些方面的需求,即從前述提到的各種增益中受益,並產生良好的通道估計以用於PDCCH解碼。 In a 5G new radio (NR) system, a similar channel structure can be used for PDCCH, CCE, and REG. However, there are some new developments in the design of 5G NR PDCCH. For example, there may be different ways to map CCE/REG to the time/frequency region of PDCCH (referred to as the control resource set in NR). In PDCCH, there may be frequency-first mapping, or time-first mapping, or a combination of both. In addition to this, the elements of the PDCCH are mapped in a continuous or distributed manner. Each mapping method has advantages and disadvantages. The purpose is to use various gains, such as time/frequency diversity gain, local frequency selective gain, and beamforming (BF) gain. Another aspect where 5G NR is different from 4G LTE is that a demodulation reference signal (DMRS) is used for PDCCH demodulation. The DMRS for PDCCH is transmitted together with the expected PDCCH, but not across the entire control region. This requires a sufficient number of DMRS to obtain a good channel estimate. A good mapping design needs to balance the needs of these aspects, that is, benefit from the aforementioned various gains, and generate good channel estimates for PDCCH decoding.
由於PDCCH由一個或複數個CCE承載,並且CCE更包括複數個REG。進行映射有不同的方法。例如,PDCCH的REG可以跨越控制區域的時間/頻率域分佈以利用相似於LTE中的時間/頻率分集。但是,這可能會導致一些通道估計性能損失,這是由於在REG內傳輸的DMRS數量有限所導致。為了在分集增益與通道估計性能之間取捨,CCE可以做為用於分佈的映射的單元。 Since the PDCCH is carried by one or a plurality of CCEs, and the CCE further includes a plurality of REGs. There are different methods for mapping. For example, the REG of the PDCCH may be distributed across the time/frequency domain of the control region to utilize time/frequency diversity similar to that in LTE. However, this may result in a loss of estimated performance for some channels, due to the limited number of DMRS transmitted in the REG. In order to choose between diversity gain and channel estimation performance, CCE can be used as a unit for distributed mapping.
參照第4圖,示出了每個CCE以分佈的方式映射到相同OFDM符號上的不同頻率位置,而CCE中的REG被映射在一起的示例。這樣的映射具有優點,CCE被用作最小的映射單元,因此CCE中的REG(例如,如示例中所示,CCE可以包含4個REG)被分配在連續的資源上,這可以有助於通道估計,可以使用更多的DMRS。分佈的CCE可能受益於頻 率分集增益。 Referring to FIG. 4, an example is shown in which each CCE is mapped to different frequency positions on the same OFDM symbol in a distributed manner, and REGs in the CCE are mapped together. Such mapping has the advantage that CCE is used as the smallest mapping unit, so REGs in CCE (for example, as shown in the example, CCE can contain 4 REGs) are allocated on consecutive resources, which can help the channel It is estimated that more DMRS can be used. Distributed CCEs may benefit from frequency diversity gain.
參照第5圖,為了進一步利用時間/頻率中的分集增益並且允許功率提升,作為示例,每個CCE可以被映射到不同的OFDM符號。 Referring to FIG. 5, in order to further utilize diversity gain in time/frequency and allow power boosting, as an example, each CCE may be mapped to a different OFDM symbol.
參照第6圖,需要在5G NR中考慮的另一個設計標準是通道估計的再使用,以用於解碼不同的候選PDCCH以減少整個PDCCH解碼的努力。如第6圖所示的巢狀結構,示出了不同CCE AL的候選PDCCH對準並共享相同的一組資源的示例。這將允許通道估計的再使用以解碼不同的候選PDCCH。 Referring to Figure 6, another design criterion that needs to be considered in 5G NR is the reuse of channel estimation for decoding different candidate PDCCHs to reduce the overall PDCCH decoding effort. The nested structure shown in FIG. 6 shows an example in which candidate PDCCHs of different CCE ALs are aligned and share the same set of resources. This will allow reuse of channel estimates to decode different PDCCH candidates.
第6圖中的巢狀結構可以看作是一種邏輯結構,並且CCE可以進一步映射到實體資源上。如第4圖和第5圖中沿頻率方向所描述的分佈的CCE映射可以用於此目的,因為其維持這種巢狀結構並且支持通道估計的再使用,同時利用波束形成和/或頻率分集增益。然而,對於時間優先的REG/CCE映射,這種結構可能需要一些修改。時間優先的映射是利用局部頻率選擇性增益,允許功率提升,並且同時可以節省一些DMRS負擔並因此改善PDCCH性能。這是因為如果用於PDCCH的資源在時間上連續,則可以省略第二或第三OFDM符號上的DMRS,從而為PDCCH傳輸提供更多的資源元素(resource element,RE)。 The nested structure in Figure 6 can be seen as a logical structure, and the CCE can be further mapped onto physical resources. The CCE mapping of the distribution as described in the frequency direction in Figures 4 and 5 can be used for this purpose because it maintains this nested structure and supports the reuse of channel estimation while utilizing beamforming and/or frequency diversity Gain. However, for time-first REG/CCE mapping, this structure may require some modification. The time-first mapping is to use local frequency selective gain, allowing power to increase, and at the same time can save some DMRS burden and thus improve PDCCH performance. This is because if the resources used for the PDCCH are continuous in time, the DMRS on the second or third OFDM symbol can be omitted, thereby providing more resource elements (RE) for PDCCH transmission.
參照第7圖,示出了時間優先的CCE/REG映射的示例。為了保持一定的通道估計性能的水平,可以在映射單元中使用CCE而不是REG,因為CCE包含更多的REG,因此具有更多的DMRS以提供良好的通道估計。第7圖中的示例示出至少一CCE AL的數量等於1(即,CCE AL=1),使用者裝置包括用於PDCCH解碼的具有DMRS的所有CCE。參照第8 圖,至少一CCE AL的數量大於或等於2(即,CCE AL>=2),則第一OFDM符號上的CCE可以包含DMRS,而第二OFDM符號上的CCE不攜帶DMRS,因此對於PDCCH具有更多的RE。在第二個符號上的CCE的通道估計可以從第一個符號上完成的CCE的通道估計獲得,提供在符號之間沿時間方向的足夠小的通道變化。第5圖中的示例示出用於CCE AL>=2的候選PDCCH的第一OFDM符號和第二OFDM符號上的映射,但是其可以被擴展用於更多的OFDM符號。第9圖示出用於CCE AL>=2的候選PDCCH的四個OFDM符號上的時間優先之CCE映射的示例。 Referring to FIG. 7, an example of time-first CCE/REG mapping is shown. In order to maintain a certain level of channel estimation performance, CCEs can be used instead of REGs in the mapping unit because CCEs contain more REGs and therefore have more DMRS to provide good channel estimation. The example in FIG. 7 shows that the number of at least one CCE AL is equal to 1 (ie, CCE AL=1), and the user equipment includes all CCEs with DMRS for PDCCH decoding. Referring to FIG. 8, the number of at least one CCE AL is greater than or equal to 2 (that is, CCE AL>=2), the CCE on the first OFDM symbol may include DMRS, and the CCE on the second OFDM symbol does not carry DMRS, so There are more REs for PDCCH. The channel estimation of the CCE on the second symbol can be obtained from the channel estimation of the CCE completed on the first symbol, providing a sufficiently small channel change in the time direction between symbols. The example in FIG. 5 shows the mapping on the first OFDM symbol and the second OFDM symbol for the candidate PDCCH with CCE AL>=2, but it can be extended for more OFDM symbols. FIG. 9 shows an example of time-first CCE mapping on four OFDM symbols of a candidate PDCCH with CCE AL>=2.
上述設計可以被推廣為將CCE沿時間方向優先(隨後是頻率)映射到偶數編號的OFDM符號(例如,2或4),其中奇數編號的OFDM符號(例如,第一OFDM、第三OFDM)上的CCE攜帶DMRS以用於通道估計,而偶數編號的OFDM符號(例如,第二OFDM、第四OFDM)上的CCE不攜帶DMRS。如果控制區域(控制資源集合)中的OFDM符號的總數是奇數(例如,3),則這樣的映射可能僅被限制在一對的2個OFDM符號上。例如,在第一個OFDM符號和第二個OFDM符號上,或在第二個OFDM符號和第三個OFDM符號上。在另一個實施例中,第二個OFDM符號是用於這種映射的第一個符號,第二個符號上的CCE攜帶DMRS,而第三個CCE沒有攜帶DMRS。下一世代節點B(next generation node B,gNB)可以配置那些用於時間優先映射的OFDM符號。 The above design can be generalized to map CCE first in the time direction (followed by frequency) to even-numbered OFDM symbols (eg, 2 or 4), where odd-numbered OFDM symbols (eg, first OFDM, third OFDM) Of CCEs carry DMRS for channel estimation, while CCEs on even-numbered OFDM symbols (eg, second OFDM, fourth OFDM) do not carry DMRS. If the total number of OFDM symbols in the control region (control resource set) is an odd number (for example, 3), such mapping may be limited to only a pair of 2 OFDM symbols. For example, on the first OFDM symbol and the second OFDM symbol, or on the second OFDM symbol and the third OFDM symbol. In another embodiment, the second OFDM symbol is the first symbol used for this mapping, the CCE on the second symbol carries DMRS, and the third CCE does not carry DMRS. The next generation node B (gNB) can configure those OFDM symbols for time-first mapping.
應該提到的是,如第8圖和第9圖中所示的沿著時間方向的CCE的列可以在頻率上連續或在頻率上分佈。 It should be mentioned that the columns of CCEs along the time direction as shown in FIGS. 8 and 9 may be continuous in frequency or distributed in frequency.
如第10圖所示,在一個實施例中,沿著時間方向的CCE的 列可以在頻率上分佈,並且因此可以帶來更多的頻率分集。參考第11圖,示出了用於時間優先之映射的巢狀結構。需要說明的是,使用者裝置包括CCE編號2、4、6、8(即CCE#2、CCE#4、CCE#6和CCE#8),不包含用於CCE AL>=2的候選PDDCH的DMRS。對於CCE AL=1的候選PDCCH,使用者裝置包括可以用於通道估計和候選PDCCH解碼的具有DMRS的所有CCE。然而,由於針對這些候選PDCCH的DMRS假設不同,因此,通過CCE AL=1的候選PDCCH之解碼而獲得的通道估計,不用於CCE AL>=2的候選PDCCH之解碼。 As shown in FIG. 10, in one embodiment, the columns of CCEs along the time direction may be distributed in frequency, and thus may bring more frequency diversity. Referring to Figure 11, a nested structure for time-first mapping is shown. It should be noted that the user device includes
採用如第11圖所示的巢狀結構,作為設計標準的一部分,如第9圖和第10圖所示的時間優先的CCE/REG映射在CCE映射方面存在一些限制,並且哪個CCE可能包含DMRS而哪個不包含DMRS。這樣的限制是為了針對不同CCE AL的不同候選PDCCH進行更一致的設計,並且因此導致相似/一致的性能,例如在解碼不同的候選PDCCH時的通道估計。巢狀結構還允許通道估計的再使用以用不同的CCE AL對不同的候選PDCCH進行解碼,從而降低使用者裝置的功率消耗。 Using the nested structure shown in Figure 11 as part of the design criteria, the time-first CCE/REG mapping shown in Figures 9 and 10 has some limitations in CCE mapping, and which CCE may contain DMRS And which does not include DMRS. Such a restriction is for a more consistent design for different PDCCH candidates of different CCE ALs, and thus results in similar/consistent performance, such as channel estimation when decoding different PDCCH candidates. The nested structure also allows reuse of channel estimation to decode different candidate PDCCHs with different CCE AL, thereby reducing the power consumption of the user device.
在本發明的實施例中,該些REG集合是該些候選PDCCF的一映射單元,並且處理器配置成用於將該些REG集合的該些REG映射到一連續時間和/或頻率資源,以平衡通道估計性能以及包括頻率選擇性增益和時間/頻率分集增益的各種增益。 In an embodiment of the present invention, the REG sets are a mapping unit of the candidate PDCCFs, and the processor is configured to map the REGs of the REG sets to a continuous time and/or frequency resource to Balanced channel estimation performance and various gains including frequency selective gain and time/frequency diversity gain.
本領域普通技術人員應該理解,本發明的實施例中所描述和揭示的每個單元、演算法和步驟,能夠以電子硬體、或者電腦軟體和電子硬體的結合來實現。以硬體還是軟體執行的功能取決於技術方案的應用 條件和設計要求。本領域普通技術人員可以針對每種具體應用採用不同的方式來實現功能,而這些實現不應該認為超出本發明的範圍。 Those of ordinary skill in the art should understand that each unit, algorithm, and step described and disclosed in the embodiments of the present invention can be implemented by electronic hardware, or a combination of computer software and electronic hardware. The function performed by hardware or software depends on the application conditions and design requirements of the technical solution. A person of ordinary skill in the art may implement functions in different ways for each specific application, and these implementations should not be considered beyond the scope of the present invention.
本領域普通技術人員可以理解因為所述系統、裝置和單元的工作過程實質上相同,因此可以參考上述實施例中的系統、裝置和單元的工作過程。為了便於描述和簡潔,這些工作過程將不再詳述。 A person of ordinary skill in the art may understand that since the working processes of the system, device, and unit are substantially the same, reference may be made to the working processes of the system, device, and unit in the foregoing embodiments. In order to facilitate description and brevity, these work processes will not be detailed.
可以理解的是,本發明實施例揭示的系統、裝置和方法,可以通過其它的方式實現。上述實施例僅僅是示例性的。上述單位的劃分僅僅是基於邏輯功能的劃分,實現時可以有其他的劃分方式。多個單元或元件可以結合或者可以集成到另一個系統。一些特徵也可能被忽略或跳過。另一方面,所顯示或討論的相互耦合、直接耦合或通信耦合可以是藉由一些介面、裝置或單元操作,可以是電性,機械或其它的形式的間接或通信操作。 It can be understood that the system, device, and method disclosed in the embodiments of the present invention may be implemented in other ways. The above-mentioned embodiments are merely exemplary. The division of the above-mentioned units is only based on the division of logical functions, and there may be other division methods when implementing. Multiple units or elements may be combined or may be integrated into another system. Some features may also be ignored or skipped. On the other hand, the displayed or discussed mutual coupling, direct coupling, or communication coupling may be operated by some interfaces, devices, or units, and may be electrical, mechanical, or other forms of indirect or communication operations.
作為用於解釋的分離部件的單元可以是或者也可以不是實體分開的。用於顯示的單元可以是或者也可以不是實體單元,即可以位於一個地方,或者也可以分佈到多個網路單元上。可以根據實施例的目的使用一些或全部單元。 The unit as a separate component for explanation may or may not be physically separate. The unit for display may or may not be a physical unit, that is, it may be located in one place, or may be distributed on multiple network units. Some or all units may be used according to the purpose of the embodiment.
此外,每個實施例中的每個功能單元可以集成在一個處理單元中,且各個單元單獨實體存在,或者也可以集成在一個具有兩個或兩個以上單元的處理單元中。 In addition, each functional unit in each embodiment may be integrated into one processing unit, and each unit exists alone physically, or may also be integrated into one processing unit having two or more units.
如果軟體功能單元被實現及作為產品使用和銷售時,可以將軟體功能單元儲存在電腦的可讀取儲存介質中。基於這樣的理解,本發明實施例提出的技術方案可以實質上或部分地以軟體產品的形式體現出 來。或者,對傳統技術有貢獻的技術方案的一部分可以作為軟體產品的形式來實現。電腦中的軟體產品儲存在一個儲存介質中,包括用於電腦裝置(如個人電腦、伺服器或網路裝置)的多個命令,以執行本實施例揭示的全部或部分步驟。儲存介質包括隨身磁碟(universal serial bus disk,USB disk)、行動硬碟、唯讀記憶體(read-only memory,ROM)、隨機存取記憶體(random access memory,RAM)、軟碟或能夠儲存程式碼的其他種類的介質。 If the software functional unit is implemented and used and sold as a product, the software functional unit can be stored in a computer-readable storage medium. Based on this understanding, the technical solutions provided by the embodiments of the present invention may be substantially or partially embodied in the form of software products. Alternatively, a part of the technical solution that contributes to the traditional technology can be implemented as a software product. The software products in the computer are stored in a storage medium, and include multiple commands for a computer device (such as a personal computer, server, or network device) to perform all or part of the steps disclosed in this embodiment. Storage media include universal serial bus disk (USB disk), mobile hard disk, read-only memory (ROM), random access memory (RAM), floppy disk or capable Other types of media for storing code.
儘管已經結合被認為最實際和較佳的實施例描述了本發明,但是應當理解的是,本發明並不限於所揭示的實施例,而是旨在涵蓋在不脫離本發明的保護範圍的最寬廣解釋的範圍的情況下的各種配置。 Although the invention has been described in conjunction with what is considered the most practical and preferred embodiment, it should be understood that the invention is not limited to the disclosed embodiments, but is intended to cover the most within the scope of protection of the invention Various configurations in the case of a wide range of interpretation.
300‧‧‧使用者裝置 300‧‧‧User device
302‧‧‧處理器 302‧‧‧ processor
304‧‧‧收發器 304‧‧‧ transceiver
306‧‧‧天線 306‧‧‧ Antenna
500‧‧‧無線通信系統 500‧‧‧Wireless communication system
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