[특허]Digital capacity centric distributed antenna system

[미국특허] Digital capacity centric distributed antenna system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04L-012/28 H04J-003/17 H04W-016/04 H04W-088/00 H04B-007/024 H04W-016/10 H04W-028/02 H04W-088/08 H04W-084/04
출원번호	US-0853123 (2015-09-14)
등록번호	US-9794791 (2017-10-17)
발명자 / 주소	Hasarchi, Abraham Meir, Amir Lewis, Michael John George
출원인 / 주소	AXELL WIRELESS LTD.
대리인 / 주소	Katten Muchin Rosenman LLP
인용정보	피인용 횟수 : 1 인용 특허 : 73

초록 ▼

Disclosed herein is an architecture for a Digital Capacity Centric Distributed Antenna System (DCC-DAS) that dynamically manages and distributes resources in different locations where there is demand for capacity. The DCC-DAS also allows for the routing of resources to other applications such as loc

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1. A digital routing hub for coupling a plurality of base transceiver station (BTS) ports and a plurality of remote radio units (RRUs), the digital routing hub comprising: a digital processor for routing and processing cell resources data samples from the plurality of RRUs to the plurality of BTS ports;wherein, in an uplink direction, each RRU: receives one or more uplink radio frequency (RF) signals,digitizes the one or more uplink RF signals,filters the digitized one or more uplink RF signals on a cell resource basis to produce digitized uplink cell resource data samples, andwherein the digital processor: receives the digitized uplink cell resource data samples from the plurality of RRUs andallocates an individual routing path to the digitized uplink cell resources data samples;routes the digitized uplink cell resources data samples to two or more BTS ports using the allocated individual routing path,wherein the individual routing path is according to software programmable routines in the digital routing hub,sums a plurality of the digitized uplink cell resources data samples into a combined uplink cell resource data sample;assigns a routing path to the combined uplink cell resource data sample; androutes the combined uplink cell resource data sample to a BTS port according to the routing path; anda gain and routing management system,wherein the gain and routing management system individually controls a gain of one or more uplink cell resource data samples prior to the summation of the uplink cell resource data samples into the combined uplink cell resource data sample. 2. The digital routing hub according to claim 1, wherein the digital routing hub is coupled to one or more other digital routing hubs to enable additional BTS ports to be coupled to additional RRUs. 3. The digital routing hub according to claim 1, wherein the digital routing hub communicates with at least one BTS port using a digital format. 4. The digital routing hub according to claim 1, wherein the digital routing hub can be programmed locally through a remote internet connection and through a wireless local connection. 5. The digital routing hub according to claim 1 wherein the digital routing hub is interfaced with one or more BTS ports in a digital format, and wherein, when the digital processor receives a plurality of individual cell resource data samples,the digital processor allocates a same individual routing path to the plurality of individual cell resource data samples. 6. A digital routing hub for coupling a plurality of base transceiver station (BTS) ports and a plurality of remote radio units (RRUs) comprising: a digital processor that receives a plurality of digitized individual cell resource data samples from the plurality of RRUs;wherein the digital routing hub is interfaced with at least two BTS ports in a digital format and at least one RRU in a digital format, andwherein the digital processor: allocates an individual routing path to at least one of the digitized individual cell resource data samples according to software programmable routines in the digital routing hub,sums a plurality of the digitzed individual cell resource data samples into a combined uplink cell resource data sample;assigns a routing path to the combined uplink cell resource data sample; androutes the combined uplink cell resource data sample to a BTS port according to the routing path; anda gain and routing management system,wherein the gain and routing management system individually controls a gain of one or more the digitzed individual cell resource data samples prior to the summation of the digitzed individual cell resource data samples into the combined uplink cell resource data sample. 7. The digital routing hub according to claim 1, further comprising: a clock distribution system,wherein the clock distribution system is a master reference clock for the digital routing hub, andwherein the clock distribution system generates a timing according to an internal reference clock. 8. The digital routing hub according to claim 1, wherein the digital routing hub is a slave to an external timing system and receives a timing reference via a digital routing hub transceiver. 9. The digital routing hub according to claim 7, wherein the digital routing hub is a slave to an external timing system and receives a timing reference via an external timing reference connection. 10. The digital routing hub according to claim 1, further comprising: a timing reference jitter cleaner to generate the timing, ensuring that transfer is synchronous across all data links of the digital routing hub, and avoiding a need for retiming. 11. A digital routing hub according to claim 1, wherein the digital routing hub further comprises: one or more IP Backhaul Ethernet ports coupled to one or more RRUs with on one or more Ethernet ports;wherein the Ethernet ports serves as a IP Backhaul link for one or more IP devices,wherein IP device backhaul data is connected through corresponding Ethernet ports to the digital routing hub. 12. A digital routing hub according to claim 1, wherein the digital processor enables selective prevention of one or more cell resources data samples from being routed to one or more BTS ports.

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[미국특허] Digital capacity centric distributed antenna system 원문보기

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