Straddling Bus

China is going to build Straddling Bus in Beijing at the end of the year. The concept is typical for big and crowded cities in Asia. When there is little or no space on the ground level, let's build vertically. In busy cities like Hong Kong, buses effectively take up one traffic lane closest to the sidewalk during busy hours because of frequent bus stops and large number of people getting on and off buses. With the straddling bus, other traffic can still go under the bus. People may argue the feasibility of the concept because of the chaotic traffic and crazy drivers in that part of the world. If you think about it, the straddling bus is just like a moving tunnel. It may work and force people to start obeying traffic rules. Also, the inventor has put thoughts behind safety features such as warning lights when the car under the straddling bus is getting too close to the side of the bus.

It is good that China is giving this new public transport concept a test run in Beijing. It is not without potential issues. For example, where do you put the tracks for the straddling bus? If you put them next to the sidewalk, then double decker buses cannot use the lane(s) under the straddling bus. Also, new traffic signals and signs are needed because the straddling bus will block some of the existing traffic lights and warning signs. None of these problems are unsolvable. It is the beginning of an idea and much research and analysis are required. I applaud people coming up with ideas to solve real problem and hope they will get the support they need to bring the concept to commercial realization.

iPhone antenna saga continues

The most recent Consumer Reports review of the iPhone 4 antenna issue has fueled the war of words in many online sites, with one camp calling Apple to recall the iPhone 4 and another camp saying the iPhone 4 has better reception than the previous iPhones and there is no antenna problems. Based on what reports have shown, I believe there is a design issue with the iPhone 4 antenna system. However, I do not think this justifies a recall because there is no health or safety concerns associated with the issue. Also, fixing the problem with hardware changes is not as simple as what some online experts think. Any change in the antenna design requires the iPhone 4 to go through new FCC regulatory approval on top of the logistics and costs associated with retrofitting the iPhone. Apple has offered iPhone 4 owners to return the iPhone for full refund - the only correct thing Apple had done in this saga.

Apple has handled this issue very badly by deflecting the issue by first claiming there is no issue and then said it is a software problem where the signal strength is displayed incorrectly. If Apple had offered a free bumper with the iPhone 4 (Yes, it is a band-aid type solution but it shows goodwill from Apple), the problem may not turn out to be such a PR nightmare. I think we can expect the next generation iPhone will have a new antenna design.

What will Steve do to diffuse this issue?

Apple iPhone software fixes hardware or network problem?

Today Apple issued a letter on their web site explaining the iPhone 4 reception issue. I am afraid Apple's explanation is not convincing at all. Apple said "Upon investigation, we were stunned to find that the formula we use to calculate how many bars of signal strength to display is totally wrong." I am a wireless engineer by training. That explanation from Apple is just bizzare. Not to bore everyone with the technical details I will explain in a note at the end of this blog for those who are interested.


Apple said "To fix this, we are adopting AT&T’s recently recommended formula for calculating how many bars to display for a given signal strength. The real signal strength remains the same, but the iPhone’s bars will report it far more accurately, providing users a much better indication of the reception they will get in a given area." Translation - Now we 'fix' the software to 'accurately' show you how bad the signal really is. It means the phone will show fewer bars with the new software. So, we now blame the AT&T network coverage instead of the iPhone 4 reception or antenna problem?



Now it begs the question whether Apple's iPhone design team knew this antenna problem all along. Apple had never sold any decorative accessories for the iPhone. It leaves the accessories to after-market vendors. Why is Apple selling a plastic bumper for the iPhone 4 and it costs $30! Turning a crisis into an opportunity?


Note: 
The phone software can fudge the number of bars displayed to anything. Let's consider a hypothetical example. Let's assume in Phone#1 a signal level of -100dBm shows 1 bar and every 2dBm shows another bar. The signal indicator on Phone#1 will show the following, -100dBm = 1 bar, -98dBm = 2 bars, -96dBm = 3 bars, -94dBm = 4 bars and anything higher than -92dBm = 5 bars. Now, let's change two variables so that on Phone#2 the bar starts showing at -95dBm and every 5dBm shows another bar. The signal indicator on Phone#2 will show -95dBm = 1 bar, -90dBm = 2 bars, -85dBm = 3 bars, -80dBm = 4 bars and anything higher than -75dBm = 5 bars. Now a user starts at a location receiving -90dBm and move to a area where the signal drops to -100dBm. Phone#1 shows 5 bars at the first location and then drops to 1 bar at the second location. Phone#2 displays 2 bars and then drops to no bars. Same phone, same signal, different software show different number of bars. That doesn't solve any coverage or reception problem but just faking the number of signal bars. The real proof is to look at the RxLev in absolute numeric value in dBm in a field test mode, not some artifically fudged signal bars displayed on the phone.

Microsoft Discontinued Kin - That's Quick!

I just saw the news that Microsoft has halted selling Kin. The Kin has got to be one of the shortest life product in Microsoft's company history and it reminds of of the Microsoft Bob. I thought only bad television shows have such short life.

 

I have not paid much attention to the Kin because they look like toys, especially the square shape Kin 1. It looks like something you would give to a 5-year old. Microsoft wanted to market the Kin as a social networking device to 15 to 30 years olds. Kin is the wrong product for that market segment. The 15 to 30 years olds are the 'multi-tasking generation'. Yes, they want to connect to friends via facebook, tweet to tell the world what they are doing, surf the web, listen to music, have 10 instant messenger windows going, texting, talking on the phone, checking emails and chew gums, all at the same time if they can. They don't want a 'dump-down' device specialized in social networking though.

 

Well, Microsoft has the courage to stop the Kin rather than to pour more R&D and marketing money into a dead-end product. Let's see if the Microsoft Windows Phone 7 can put up a good fight against the iPhone, Android phone and Blackberry in the smartphone market.

Video Evidence

Today the FIFA president said it would be "a nonsense" not to take a look at goal-line technology. I guess the disallowed England goal and the 'allowed' off-side goal of Argentina must have finally changed the mind of the football governing body. The technology is there and why not use it to help the referees make correct decisions and correct mistakes. A red light camera can determine if a car has run a red light and recognizes the numbers and letters on a license plate, surely today's technology can determine if a something as big as a football has crossed the goal line.

iPhone 4 is out

The new iPhone 4 was out on Thursday last week. The Apple Store in San Francisco has a line outside that wrapped around the block and I wasn't going to wait in line. It's amazing that people will line up to buy a phone. Well, today I finally walk into an Apple Store (no wait anymore) to check out the iPhone 4. The screen is absolutely beautiful but other than that, there is nothing really appeals to me to make me upgrade from my iPhone 3GS. I know many people will disagree with my verdict but to me it is more a cosmetic upgrade of the iPhone 3GS. It is true that there are new features like multitasking, Facetime video call, 5M pixel camera, but still these are not new in cell phones. I think Nokia has all those over a year ago.

Apple vs. Nokia

Since Apple introduced the iPhone, Nokia continue to lose share of the smartphone market. So, how are they different in making and marketing cell phones?

Apple create public anticipation and excitment on their product launch because they keep their product secret very well (until the iPhone 4 shows up in a bar in the Bay area). That creates public interest and people do line up to get an iPhone because it is cool. Nokia on the other hand announced the N8 in April and said it would be available in the third quarter of 2010. The N8 is supposed to be Nokia's answer to the iPhone but what good is it if you cannot buy it and let Apple take the market with the iPhone 4?

Cell phone has become a commodity where hardware becomes less of a differentiating factor. Apple understand this and created the App Store. With the App Store, there is a platform on which third party developers can create applications and let the marketplace decide which applications are good. Consumers can 'customize' their phones however they like by loading different applications. Apple shift the software application development cost to others while taking a cut in every application sold at the AppStore, like collecting tax!

While Apple have basically one phone model, Nokia segment the market by selling different models, the N-series high end multimedia phone, the E-series business optimized phones, other series for music focused and other low end phones - and they don't run the same operating system. Apple again have the advantage here because they can focus on one platform development and the application developers can make one application that runs on the iPhone (and iPod Touch too). On the other hand, Nokia have to spend multiple R&D budgets on developing and marketing many more phone platforms. In addition, software developers have to port their applications to different platforms.

I think the N8 has better hardware than the iPhone but the software and user interface may let them down. However, I am still interested to see how the N8 performs in the smartphone market, especially outside North America where people are generally more savvy with cell phones selection.

Techno-Austerity

There is a good article in the 10 June 2010 issue of the Economist where the phrase techno-austerity is used. The link is here. The article makes some good points of less is more in technology.

iPhone 4

I have just finished watching Steve Job's keynote speech where he introduced the iPhone 4. Even though we have seen the iPhone 4 because of the Gizmodo leak, it is still interesting because of Jobs charisma and how he presented the most important features of the new iPhone. Comparing the technical specifications of the new iPhone 4 with the latest smartphones on the market, it is roughly on par with the likes of HTC's Android and even Nokia phones. However, Apple still make it relevant because they focus on the 'why' you need this but not that, instead of focusing on 'what' is in the phone. I am not going to do a full review here as you can find many of them by Googling. Let's look at two features to illustrate my point.

Camera
- 5M pixel with LED flash. This is nothing exciting because the new Android phones come with 8M pixel camera and the upcoming Nokia N8 comes with a 12M pixel camera. 5M pixel on a small sensor is plenty in a phone form factor. If you are just viewing your photos on your phone or your computer, both of them have resolution far less than 5M pixel anyway. The front camera is not a new idea either but using it for FaceTime video calling, that's a good use of a front camera.

Display
- 'Retina display'. What a cool name! Basically Apple says that's all the resolution you will need because your eyes won't be tell the difference even if the resolution is higher. Another sensible decision with a good explanation rather than just cramming more pixels and dots per inch on the specifications.

Overall, I would say the iPhone 4 is a attractive incremental upgrade. Apple just do things a little better than everyone else and now others have to play catch up again.

Too many buttons

Have we made technologies more complicated than they should be and do regular end-users care? I just picked 3 devices that have control buttons on them I used last night - a remote control for a television, a remote control for the Roku media streaming device and my iPhone. I counted how many buttons are on each of them and how many I used. The TV remote control has 46 buttons and I use 3 (on/off, channel up/down and volume up/down). Typically, I turn on the TV, channel surf with the up and down button, may be adjust the volume, and turn it off because there is nothing really worth watching. Now comes the Roku remote control, it has 9 buttons and I use 7 of them. Finally, the iPhone it has 4 buttons on them - volume up/down, an on/off switch, the silent switch and the prominant home button on the face of the iPhone. How many of them do I use? All of them.

My point is do we really need all those control buttons if the majority of time we only use a few? Aren't we making things too complicated. I am sure all the buttons have functions on my TV remote control but do I really need them given the TV also has on screen menu? It probably makes sense to the engineers who design them but not for the general public. (Disclosure: I am trained as an engineer but to be honest some of the things engineers design do not make a whole lot of sense to average consumers.)

I was pleasantly surprised when I receive the Roku and in particular the Roku remote control. It was so small, with only the essential buttons and I can figure out how to use it without referring to the user manual. That's user-friendly and how consumer products should be done. A good engineering design should hide the complexity, unclutter the user interface and create a better user experience.

Needless to say, I was thrilled when I first saw the iPhone. Its clean design makes it so easy to use. It's the sort of marketing genius you get from Apple making you believe their product is so simple. And the marketing message works! The one button I use most is the home button. When you press the home button, it actually reveals screens full of other buttons/icons. Hmm, haven't I seen this idea before..... thinking.... thinking.... thinking.... Ah.... the Microsoft Windows "Start button".