摘要:
The invention relates to a method for operating a first and a second communication system, having a first and a second predetermined frequency band (13, 17), respectively, to be used for communication between a user terminal (4) and a node (2) of a cellular network (1), wherein the first communication system (11) has at least two narrowband channels (14, 15), which are distributed with a mutual spacing (16) over the first frequency band (13), and wherein the second communication system (12) has a set (18) of channel resources (19), which are distributed contiguously over the second frequency band (17), wherein the first and the second frequency band (13, 17) overlap, and communication is performed only in those channel resources (19) that do not overlap with the narrowband channels (14, 15), and wherein Enhanced Physical Downlink Control Channel (EPDCCH) and Demodulation Reference Symbols (DM-RS) are employed instead of the Physical Downlink Control Channel (PDCCH) and regular Reference Symbols (RS) of the LTE system. The invention further relates to a node of a cellular network for communication with the user terminal.
摘要:
The invention relates to a method for operating a first and a second communication system, having a first and a second predetermined frequency band (13, 17), respectively, to be used for communication between a user terminal (4) and a node (2) of a cellular network (1), wherein the first communication system (11) has at least two narrowband channels (14, 15), which are distributed with a mutual spacing (16) over the first frequency band (13), and wherein the second communication system (12) has a set (18) of channel resources (19), which are distributed contiguously over the second frequency band (17), wherein the first and the second frequency band (13, 17) overlap, and communication is performed only in those channel resources (19) that do not overlap with the narrowband channels (14, 15). The invention further relates to a node of a cellular network for communication with the user terminal.
摘要:
The invention relates to a method for operating a first and a second communication system, having a first and a second predetermined frequency band (13, 17), respectively, to be used for communication between a user terminal (4) and a node (2) of a cellular network (1), wherein the first communication system (11) has at least two narrowband channels (14, 15), which are distributed with a mutual spacing (16) over the first frequency band (13), and wherein the second communication system (12) has a set (18) of channel resources (19), which are distributed contiguously over the second frequency band (17), wherein the first and the second frequency band (13, 17) overlap, and communication is performed only in those channel resources (19) that do not overlap with the narrowband channels (14, 15), and wherein Enhanced Physical Downlink Control Channel (EPDCCH) and Demodulation Reference Symbols (DM-RS) are employed instead of the Physical Downlink Control Channel (PDCCH) and regular Reference Symbols (RS) of the LTE system. The invention further relates to a node of a cellular network for communication with the user terminal.
摘要:
The invention relates to a system (1) comprising a first and a second node (2 1 , 2 2 ) of a linear cellular network, the first node (2 1 ) having a first antenna (7 1 ) for wirelessly communicating with a user terminal (4), wherein a scheduler (11 1 ) of the first node (2 1 ) is configured to allocate a first subset (s 1 ) of all available channel resources (CR i ) of a downlink communication channel, a scheduler (11 2 ) of the second node (2 2 ) is configured to allocate a second subset (s 2 ) comprising the remaining available channel resources (CR i ), and the second node is configured to communicate received data (3) in the first subset (s 1 ) of channel resources (CR i ) to a user terminal (4) when the user terminal (4) is located within the second coverage area (9 2 ) but outside the overlap area (10) to extend the area available for a handover. The invention also provides for a system (1) to extend the area available for a handover for an uplink communication channel.
摘要:
The invention relates to a node (11) for a cellular network (1) with a linear cell topology, wherein the node (11) is configured to communicate data (3) in at least a first and a second channel resource (CR i ) of a communication channel (CH) and to employ different power levels (P 1 , P 2 ) for different channel resources (CR i ), wherein the node (11) comprises a first and a second directional antenna (12, 13), each directed in a different direction, and wherein the node (11) is further configured to independently communicate different data (3) over the first and the second antenna (12, 13) in the same channel resource (CR i ). The invention further relates to a cellular network (1) comprising a plurality of nodes (11) and a method for communicating between a user terminal (4) and a node (11).
摘要:
The invention relates to a system comprising a first and a second node (2 1 , 2 2 ) of a linear cellular network, wherein the nodes (2 1 , 2 2 ) are spaced apart from each other with a mutual spacing, which mutual spacing defines a communication section (s), each node (2 1 , 2 2 ) having at least one antenna (11, 12, 18, 19) for wirelessly communicating with a user terminal (4), characterised in that a processor (13) of the system (1) is configured to apply a space-time or space-frequency block coding scheme on data (3) to generate a first and a second block code representation (r 1 , r 2 ) of the same data (3), wherein the first node (2 1 ) is configured to communicate the first block code representation (r 1 ) of the data (3) and the second node (2 2 ) is configured to communicate the second block code representation (r 2 ) of the data (3) in the same channel resource (CR i ). Such a system could be deployed along railways for improving the network coverage, reducing the outage probability, and optimizing the handover procedures and the communication resources management for high-speed users (high-speed train scenario).
摘要:
The invention relates to a method for operating a first and a second communication system, having a first and a second predetermined frequency band (13, 17), respectively, to be used for communication between a user terminal (4) and a node (2) of a cellular network (1), wherein the first communication system (11) has at least two narrowband channels (14, 15), which are distributed with a mutual spacing (16) over the first frequency band (13), and wherein the second communication system (12) has a set (18) of channel resources (19), which are distributed contiguously over the second frequency band (17), wherein the first and the second frequency band (13, 17) overlap, and communication is performed only in those channel resources (19) that do not overlap with the narrowband channels (14, 15), and wherein Enhanced Physical Downlink Control Channel (EPDCCH) and Demodulation Reference Symbols (DM-RS) are employed instead of the Physical Downlink Control Channel (PDCCH) and regular Reference Symbols (RS) of the LTE system. The invention further relates to a node of a cellular network for communication with the user terminal.
摘要翻译:本发明涉及一种用于操作第一和第二通信系统的方法,所述第一和第二通信系统分别具有用于在用户终端(4)和节点(2)之间进行通信的第一和第二预定频带(13,17) ),其中第一通信系统(11)具有在第一频带(13)上以相互间隔(16)分布的至少两个窄带信道(14,15),并且其中 第二通信系统(12)具有在第二频带(17)上连续分布的信道资源(19)集合(18),其中第一和第二频带(13,17)重叠,并且通信 仅在不与窄带信道(14,15)重叠的那些信道资源(19)中执行,并且其中采用增强物理下行链路控制信道(EPDCCH)和解调参考符号(DM-RS)代替物理下行链路 控制信道(PDCCH)和定期参考 e LTE系统的符号(RS)。 本发明还涉及用于与用户终端进行通信的蜂窝网络的节点。