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between base stations after a station has sent a message fragment. in that case, the base stations must transmit using a different frequency channel for each message fragment. there are several unidirectional channels set up between base stations at this moment. we can only make arrangements to set up number of frequency channels only between two base
I. Problem Description The assembly line scheduling problem is as follows: The colonel automobile company produces cars in factories with two assembly lines. After a chassis enters each assembly line, different components are installed on the chassis of each Assembly station, the finished car leaves the end of the assembly line. As shown in 1. Figure 1 assembly line There are n assembly stations on each assembly line, numbered j = 1, 2 ,..., n. Repre
base stations to improve indoor coverage, improve indoor broadband wireless access rate, and reduce latency to meet the needs of users in a variety of multimedia applications. This reduces the load on the macro base station, so that the macro base station capacity mainly serves outdoor and sports users. On the other hand, it aims to cope with the competition between emerging wireless operators and mobile virtual network operators (MVNO. Because nearl
outfield test is less than-133dBc), the risk of third-order Intermodulation Interference will occur; due to the substandard mutual adjustment indicators of some GSM antenna feeds (including antennas, feeder and passive devices), the risk of Second Harmonic Interference of GSM will be generated; For different types of interference, you can use the solutions listed in the following table. Is there mutual interference between the TD-LTE and the current 3G system in the adjacent frequency? How can
In the last two years, with the rapid development of the mobile Internet, the original 3G network has been unable to meet the increasing business needs in terms of speed and capacity. All major operators have begun to prepare for the construction of 4G networks, in order to seize the lead in the new round of network construction. The State Council Executive Meeting recently explicitly stated that 4G licenses will be officially issued during the year, marking the official blow of China's 4G netwo
may be different (such as keys ). 1. Based on SSID or BSSID One easy VLAN division method is based on the SSID. Each SSID corresponds to a vlan id. This division is based entirely on the 802.11 MAC layer SSID, so it can be fully implemented within the AP. The situation varies depending on the AP's multi-SSID support. ● AP supports multiple BSS, and each BSS supports multiple SSID In this case, VLAN is divided according to the SSID. All sites connected to the SSID belong to the same VLAN. The Ac
number of stations, the starting point and where the airport is located respectively. There is an integer M (1≤m≤1000) representing the number of connections between the stations of the economy-xpress. The next M lines give the information of the routes of the economy-xpress. Each consists of three integers x, Y and Z (X, Y≤n, 1≤z≤100). This means X and Y is connected and it takes Z minutes to travel betwe
Title Link: http://poj.org/problem?id=1459Well, it's actually a template problem ...But it's such a long story. Orz ... Various speculate topics mean ....For the benefit of everyone, I put the meaning of the topic data, you do not have to look at this hateful English ...The topic meaning: gives several power stations, gives several consumption stations, gives again several forwarding points. Power
A car factory has two assembly lines, each with n stations. A station is denoted by Si, j where I is either 1 or 2 and indicates the assembly line the station is on, and j indicates the number of the station. the time taken per station is denoted by ai, j. each station is dedicated to some sort of work like engine fitting, body fitting, painting and so on. so, a car chassis must pass through each of the n stations
advertising money ah. The idea immediately dispelled. The most feasible only is to put a text link. First find Tvren webmaster bar, put a text link should be no problem, not to mention I am still in the outdated to help him write an article about it (has reached 650,000 PV, by the fish put to "build station good Wen" column went to, regardless of what the other party thought, I carefully analyzed his website, choose to put 6 words on top of his home page, and online TV, 4 words on top of the TV
Seo 10:30, still do not want to sleep, to write something, 2007 have passed this for several days, has not posted any posts, I hope you have not forgotten me. Today I am still talking about SEO. in the morning added a group, which is full of web design of high man, but most do not know what SEO is. Said to feel a bit shabby, in fact, I also in 2006 years to contact with SEO, there was this Wang Tong ebook, called Please forgive my nagging, I just want to make it clearer. seo Chinese me
Last night Baidu updated, Baidu is a week of small updates, every time Baidu update will always be "a few happy, a few families worry", and some stations ranked up, and some stations ranked off, but also some stations even down the right, K station. In short, all kinds of situations have, ranking up naturally happy, the site was down right will certainly let peop
. How to use the worm to output quality content to the website. This is the focus, but also the SEO training to focus on the explanation. The second part, how to build the external chain of the website. How to find quality outside the chain, hair outside the chain of skills, top keyword skills. These techniques can be easily achieved with worms. These skills will also be explained in the one by one SEO training. The third part, the station group constructs. It is a serious waste to mak
reduce the degree of replication.A page is cached on Server A, accessed at a high number of times, and other cache servers are less loaded, monitoring access to the same page, and if you are accessing the same page, divide the request to another server.Here are some examples of patterns and scheduling algorithms that are used by individuals in different environments:1. If the configuration of the backend server is the same and the number of stations
----can't get "current position" in real time. If you have a long lasting ephemeris in Beijing and then travel to Shanghai, the Ephemeris still fails, and you must first make a lengthy "cold start" position. Although A-gps has a better performance than traditional GPS, it does not fully compensate for the shortcomings of traditional GPS, such as the problem of indoor positioning is still not satisfactorily resolved. Mobile Base Station positioning lbs: Mobile phone signal can be positioned. Mob
Directly to the point, today I say three cases, do the most basic analysis of the site, to search "SEO" this keyword, one is the search outside the forum directory BBS, top-level domain in the second page, perhaps because of the previous revision of the impact, two is a two-level domain name Chinaz webmaster Tools, three Baidu Wikipedia page SEO entry, These three stations as long as is in search engine domain search SEO, part of the search engine ran
SEO industry has always been a myth, in recent years, there are a large number of large flow of cattle stations constantly challenge our common sense, how these cattle stations rely on SEO in just a few years or even a few months time to increase the flow to millions or millions of? SEO is a combination of links and content, There have been a lot of Daniel has made a brilliant analysis of the content, but l
Just contact to do the station webmaster is always very easy to tangle in a problem, that is to do the formal standing good or do trash stand good? Seems to make it easier for people to accept that the "life" of the garbage station is always long but normal station, but also have to admit to do garbage station can make money faster, as long as your SEO optimization technology in place. But as soon as we do the station experience and experience growth, such mentality will quickly disappear, becau
need to spend more money to let the website construction company to develop a website. In fact, this practice is probably one of the reasons why the medical station is in a haze today. Although the template is cheap, but for a hospital is not sensible, then the hospital should be how to build the station? I think the hospital to operate the hospital on the Internet, the first to learn to spend a little more money to invest in the construction site. Hospitals should be based on their own medica
one or more keywords, webmaster can see the source code in the home page "keywords" to get a website keyword, and then search in the Baidu search these keywords rankings, the higher the ranking, the higher the weight of the site, if a number of keywords ranking are very close to the front, This site is a similar site ranking is very good. Here needs attention is the website keyword heat is also a very important factor, the keyword more popular weight is higher, can pass the Baidu instruction t
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